From b4f685619ca08fbcad6c584d037326529d72e883 Mon Sep 17 00:00:00 2001 From: andrewscwei Date: Thu, 19 Sep 2024 07:46:11 +0000 Subject: [PATCH] ci: Fix CI/CD workflows [skip ci] --- .babelrc | 12 - .browserslistrc | 1 - .eslintrc | 130 - .github/workflows/cd.yaml | 35 - .github/workflows/ci.yaml | 26 - .node-version | 1 - .stylelintrc | 40 - LICENSE | 21 - README.md | 22 - src/static/_redirects => _redirects | 0 .../app-icon-114.png => app-icon-114.png | Bin .../app-icon-120.png => app-icon-120.png | Bin .../app-icon-144.png => app-icon-144.png | Bin .../app-icon-152.png => app-icon-152.png | Bin .../app-icon-180.png => app-icon-180.png | Bin .../app-icon-192.png => app-icon-192.png | Bin .../app-icon-512.png => app-icon-512.png | Bin .../app-icon-57.png => app-icon-57.png | Bin .../app-icon-60.png => app-icon-60.png | Bin .../app-icon-72.png => app-icon-72.png | Bin .../app-icon-76.png => app-icon-76.png | Bin .../Roboto-Bold.f80816a5455d171f948d.ttf | Bin .../Roboto-Regular.fc2b5060f7accec5cf74.ttf | Bin .../media/shake.7e5ba731e6ea3bfe5f96.mp3 | Bin bundle.6a21672b.css | 1 + bundle.6a21672bdf3ad9d1ca06.js | 69260 ++++++++++++++++ config/app.conf.js | 53 - config/build.conf.js | 141 - src/static/favicon.svg => favicon.svg | 0 index.html | 1 + jsconfig.json | 10 - src/static/manifest.json => manifest.json | 0 res/og-image/og-image.png => og-image.png | Bin package-lock.json | 12893 --- package.json | 60 - src/static/pinned-icon.svg => pinned-icon.svg | 0 res/app-icon/app-icon.afdesign | Bin 16799 -> 0 bytes res/favicon/favicon-dark.afdesign | Bin 19602 -> 0 bytes res/favicon/favicon-dark.png | Bin 6694 -> 0 bytes res/favicon/favicon-dark.svg | 24 - res/favicon/favicon-light.afdesign | Bin 18102 -> 0 bytes res/favicon/favicon-light.png | Bin 5888 -> 0 bytes res/favicon/favicon-light.svg | 24 - res/og-image/og-image.afdesign | Bin 15541 -> 0 bytes res/pinned-icon/pinned-icon.afdesign | Bin 49231 -> 0 bytes res/pinned-icon/pinned-icon.svg | 24 - res/twitter-card/twitter-card.afdesign | Bin 13393 -> 0 bytes src/static/robots.txt => robots.txt | 0 src/.eslintrc | 8 - src/App.jsx | 169 - src/App.pcss | 83 - src/assets/svgs/github-icon.svg | 27 - src/assets/svgs/mu.svg | 1 - src/assets/svgs/settings-icon.svg | 1 - src/components/DeviceMotionAlert.jsx | 37 - src/components/DeviceMotionAlert.pcss | 72 - src/components/Footer.jsx | 20 - src/components/Footer.pcss | 29 - src/components/Scene.jsx | 530 - src/components/Scene.pcss | 2 - src/components/Settings.jsx | 138 - src/components/Settings.pcss | 203 - src/core/createDiceByType.js | 47 - src/core/geoms/createD10Geom.js | 23 - src/core/geoms/createD12Geom.js | 21 - src/core/geoms/createD20Geom.js | 20 - src/core/geoms/createD6Geom.js | 15 - src/core/geoms/createD8Geom.js | 15 - src/core/geoms/createGeom.js | 139 - src/core/geoms/index.js | 5 - src/core/materials/createD6Materials.js | 117 - src/core/materials/createDXMaterials.js | 47 - src/core/materials/index.js | 2 - src/decorators/logging.js | 19 - src/enums/DiceType.js | 7 - src/enums/RollMethod.js | 5 - src/index.jsx | 7 - src/static/app-icon-114.png | Bin 2883 -> 0 bytes src/static/app-icon-120.png | Bin 2993 -> 0 bytes src/static/app-icon-144.png | Bin 3267 -> 0 bytes src/static/app-icon-152.png | Bin 3374 -> 0 bytes src/static/app-icon-180.png | Bin 3799 -> 0 bytes src/static/app-icon-192.png | Bin 3844 -> 0 bytes src/static/app-icon-512.png | Bin 8824 -> 0 bytes src/static/app-icon-57.png | Bin 2372 -> 0 bytes src/static/app-icon-60.png | Bin 2415 -> 0 bytes src/static/app-icon-72.png | Bin 2583 -> 0 bytes src/static/app-icon-76.png | Bin 2508 -> 0 bytes src/static/og-image.png | Bin 60763 -> 0 bytes src/static/twitter-card.png | Bin 70305 -> 0 bytes src/templates/index.html | 55 - src/utils/deviceMotion.js | 37 - src/utils/palette.js | 7 - src/utils/random.js | 29 - src/utils/texture.js | 3 - .../twitter-card.png => twitter-card.png | Bin 96 files changed, 69262 insertions(+), 15457 deletions(-) delete mode 100644 .babelrc delete mode 100644 .browserslistrc delete mode 100644 .eslintrc delete mode 100644 .github/workflows/cd.yaml delete mode 100644 .github/workflows/ci.yaml delete mode 100644 .node-version delete mode 100644 .stylelintrc delete mode 100644 LICENSE delete mode 100644 README.md rename src/static/_redirects => _redirects (100%) rename res/app-icon/app-icon-114.png => app-icon-114.png (100%) rename res/app-icon/app-icon-120.png => app-icon-120.png (100%) rename res/app-icon/app-icon-144.png => app-icon-144.png (100%) rename res/app-icon/app-icon-152.png => app-icon-152.png (100%) rename res/app-icon/app-icon-180.png => app-icon-180.png (100%) rename res/app-icon/app-icon-192.png => app-icon-192.png (100%) rename res/app-icon/app-icon-512.png => app-icon-512.png (100%) rename res/app-icon/app-icon-57.png => app-icon-57.png (100%) rename res/app-icon/app-icon-60.png => app-icon-60.png (100%) rename res/app-icon/app-icon-72.png => app-icon-72.png (100%) rename res/app-icon/app-icon-76.png => app-icon-76.png (100%) rename src/assets/fonts/Roboto-Bold.ttf => assets/fonts/Roboto-Bold.f80816a5455d171f948d.ttf (100%) rename src/assets/fonts/Roboto-Regular.ttf => assets/fonts/Roboto-Regular.fc2b5060f7accec5cf74.ttf (100%) rename src/assets/media/shake.mp3 => assets/media/shake.7e5ba731e6ea3bfe5f96.mp3 (100%) create mode 100644 bundle.6a21672b.css create mode 100644 bundle.6a21672bdf3ad9d1ca06.js delete mode 100644 config/app.conf.js delete mode 100644 config/build.conf.js rename src/static/favicon.svg => favicon.svg (100%) create mode 100644 index.html delete mode 100644 jsconfig.json rename src/static/manifest.json => manifest.json (100%) mode change 100755 => 100644 rename res/og-image/og-image.png => og-image.png (100%) delete mode 100644 package-lock.json delete mode 100644 package.json rename src/static/pinned-icon.svg => pinned-icon.svg (100%) delete mode 100644 res/app-icon/app-icon.afdesign delete mode 100644 res/favicon/favicon-dark.afdesign delete mode 100644 res/favicon/favicon-dark.png delete mode 100644 res/favicon/favicon-dark.svg delete mode 100644 res/favicon/favicon-light.afdesign delete mode 100644 res/favicon/favicon-light.png delete mode 100644 res/favicon/favicon-light.svg delete mode 100644 res/og-image/og-image.afdesign delete mode 100644 res/pinned-icon/pinned-icon.afdesign delete mode 100644 res/pinned-icon/pinned-icon.svg delete mode 100644 res/twitter-card/twitter-card.afdesign rename src/static/robots.txt => robots.txt (100%) delete mode 100644 src/.eslintrc delete mode 100644 src/App.jsx delete mode 100644 src/App.pcss delete mode 100644 src/assets/svgs/github-icon.svg delete mode 100644 src/assets/svgs/mu.svg delete mode 100644 src/assets/svgs/settings-icon.svg delete mode 100644 src/components/DeviceMotionAlert.jsx delete mode 100644 src/components/DeviceMotionAlert.pcss delete mode 100644 src/components/Footer.jsx delete mode 100644 src/components/Footer.pcss delete mode 100644 src/components/Scene.jsx delete mode 100644 src/components/Scene.pcss delete mode 100644 src/components/Settings.jsx delete mode 100644 src/components/Settings.pcss delete mode 100644 src/core/createDiceByType.js delete mode 100644 src/core/geoms/createD10Geom.js delete mode 100644 src/core/geoms/createD12Geom.js delete mode 100644 src/core/geoms/createD20Geom.js delete mode 100644 src/core/geoms/createD6Geom.js delete mode 100644 src/core/geoms/createD8Geom.js delete mode 100644 src/core/geoms/createGeom.js delete mode 100644 src/core/geoms/index.js delete mode 100644 src/core/materials/createD6Materials.js delete mode 100644 src/core/materials/createDXMaterials.js delete mode 100644 src/core/materials/index.js delete mode 100644 src/decorators/logging.js delete mode 100644 src/enums/DiceType.js delete mode 100644 src/enums/RollMethod.js delete mode 100644 src/index.jsx delete mode 100644 src/static/app-icon-114.png delete mode 100644 src/static/app-icon-120.png delete mode 100644 src/static/app-icon-144.png delete mode 100644 src/static/app-icon-152.png delete mode 100644 src/static/app-icon-180.png delete mode 100644 src/static/app-icon-192.png delete mode 100644 src/static/app-icon-512.png delete mode 100644 src/static/app-icon-57.png delete mode 100644 src/static/app-icon-60.png delete mode 100644 src/static/app-icon-72.png delete mode 100644 src/static/app-icon-76.png delete mode 100644 src/static/og-image.png delete mode 100644 src/static/twitter-card.png delete mode 100644 src/templates/index.html delete mode 100644 src/utils/deviceMotion.js delete mode 100644 src/utils/palette.js delete mode 100644 src/utils/random.js delete mode 100644 src/utils/texture.js rename res/twitter-card/twitter-card.png => twitter-card.png (100%) diff --git a/.babelrc b/.babelrc deleted file mode 100644 index 2051c6d..0000000 --- a/.babelrc +++ /dev/null @@ -1,12 +0,0 @@ -{ - "sourceMaps": true, - "retainLines": true, - "presets": [ - "@babel/preset-env", - "@babel/preset-react" - ], - "plugins": [ - "@babel/plugin-transform-runtime", - ["@babel/plugin-proposal-decorators", { "legacy": true }], - ] -} diff --git a/.browserslistrc b/.browserslistrc deleted file mode 100644 index 8381386..0000000 --- a/.browserslistrc +++ /dev/null @@ -1 +0,0 @@ ->0.25% diff --git a/.eslintrc b/.eslintrc deleted file mode 100644 index 9ebae27..0000000 --- a/.eslintrc +++ /dev/null @@ -1,130 +0,0 @@ -{ - "root": true, - "extends": [ - "eslint:recommended", - "plugin:react/recommended" - ], - "parser": "@babel/eslint-parser", - "parserOptions": { - "sourceType": "module", - "ecmaVersion": 2017, - "ecmaFeatures": { - "experimentalObjectRestSpread": true, - "legacyDecorators": true - } - }, - "env": { - "browser": true, - "es6": true, - "node": true - }, - "rules": { - "block-spacing": "error", - "brace-style": [ - "error", - "stroustrup", - { - "allowSingleLine": true - } - ], - "comma-dangle": ["error", "always-multiline"], - "comma-spacing": [ - "error", - { - "before": false, - "after": true - } - ], - "func-call-spacing": [ - "error", - "never" - ], - "indent": [ - "error", - 2 - ], - "key-spacing": [ - "error", - { - "beforeColon": false, - "afterColon": true, - "mode": "strict" - } - ], - "keyword-spacing": [ - "error", - { - "before": true, - "after": true - } - ], - "linebreak-style": [ - "error", - "unix" - ], - "no-cond-assign": "warn", - "no-console": "warn", - "no-duplicate-imports": "error", - "no-empty": "warn", - "no-lonely-if": "error", - "no-mixed-spaces-and-tabs": "error", - "no-multiple-empty-lines": "error", - "no-nested-ternary": "off", - "max-depth": [ - "warn", - 6 - ], - "new-parens": "error", - "no-unneeded-ternary": "off", - "no-unused-vars": [ - "warn", - { - "args": "none" - } - ], - "no-useless-escape": "warn", - "no-whitespace-before-property": "error", - "nonblock-statement-body-position": [ - "error", - "beside" - ], - "object-curly-spacing": [ - "error", - "always" - ], - "semi": [ - "error", - "always" - ], - "space-before-blocks": [ - "error", - "always" - ], - "space-before-function-paren": [ - "error", - { - "anonymous": "never", - "named": "never", - "asyncArrow": "always" - } - ], - "spaced-comment": [ - "error", - "always" - ], - "space-unary-ops": "error", - "quote-props": [ - "error", - "consistent-as-needed" - ], - "quotes": [ - "error", - "single" - ] - }, - "settings": { - "react": { - "version": "detect" - } - } -} \ No newline at end of file diff --git a/.github/workflows/cd.yaml b/.github/workflows/cd.yaml deleted file mode 100644 index 73d93e8..0000000 --- a/.github/workflows/cd.yaml +++ /dev/null @@ -1,35 +0,0 @@ -name: CD -on: - push: - branches: [master] - tags-ignore: ["v*"] -concurrency: - group: ${{ github.workflow }}-${{ github.ref }} - cancel-in-progress: true -jobs: - deploy: - name: Deploy - runs-on: ubuntu-latest - steps: - - name: Checkout - uses: actions/checkout@v4 - - name: Build - uses: andrewscwei/actions/node-build@v2 - - name: Test - run: npm test - - name: Deploy to GitHub pages - uses: andrewscwei/actions/gh-pages-deploy@v2 - with: - deploy-path: public - notify: - name: Notify - needs: [deploy] - if: ${{ always() }} - runs-on: ubuntu-latest - steps: - - uses: andrewscwei/telegram-action@v1 - with: - success: ${{ needs.deploy.result == 'success' }} - cancelled: ${{ needs.deploy.result == 'cancelled' }} - bot-token: ${{ secrets.TELEGRAM_DEVOPS_BOT_TOKEN }} - chat-id: ${{ secrets.TELEGRAM_DEVOPS_CHAT_ID }} diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml deleted file mode 100644 index 2849c1b..0000000 --- a/.github/workflows/ci.yaml +++ /dev/null @@ -1,26 +0,0 @@ -name: CI -on: - push: - branches-ignore: [master] - tags-ignore: ["v*"] -jobs: - build: - name: Build - runs-on: ubuntu-latest - steps: - - name: Checkout - uses: actions/checkout@v4 - - name: Build - uses: andrewscwei/actions/node-build@v2 - notify: - name: Notify - needs: [build] - if: ${{ always() }} - runs-on: ubuntu-latest - steps: - - uses: andrewscwei/telegram-action@v1 - with: - success: ${{ needs.build.result == 'success' }} - cancelled: ${{ needs.build.result == 'cancelled' }} - bot-token: ${{ secrets.TELEGRAM_DEVOPS_BOT_TOKEN }} - chat-id: ${{ secrets.TELEGRAM_DEVOPS_CHAT_ID }} diff --git a/.node-version b/.node-version deleted file mode 100644 index 6238d6c..0000000 --- a/.node-version +++ /dev/null @@ -1 +0,0 @@ -18.8.0 \ No newline at end of file diff --git a/.stylelintrc b/.stylelintrc deleted file mode 100644 index e4e6b12..0000000 --- a/.stylelintrc +++ /dev/null @@ -1,40 +0,0 @@ -{ - "extends": [ - "stylelint-config-standard", - "stylelint-config-css-modules" - ], - "rules": { - "max-nesting-depth": 2, - "number-leading-zero": "never", - "string-quotes": "single", - "selector-nested-pattern": "^&", - "property-no-unknown": [ - true, - { - "ignoreProperties": [ - "/^#.*$/" - ] - } - ], - "at-rule-empty-line-before": [ - "always", - { - "ignoreAtRules": [ - "extend", - "import" - ] - } - ], - "at-rule-no-unknown": [ - true, - { - "ignoreAtRules": [ - "extend", - "post" - ] - } - ], - "declaration-empty-line-before": "never", - "no-descending-specificity": null - } -} diff --git a/LICENSE b/LICENSE deleted file mode 100644 index cdb63dc..0000000 --- a/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2018 Andrew Wei - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/README.md b/README.md deleted file mode 100644 index ab5425f..0000000 --- a/README.md +++ /dev/null @@ -1,22 +0,0 @@ -# Dice [![Netlify Status](https://img.shields.io/netlify/d92bf45a-701b-4916-a4e1-de164713955b)](https://app.netlify.com/sites/dice3d/deploys) - -This is a web-based dice rolling app that uses React, Three and Cannon. Demo is available [here](https://dice.andr.mu). - -## Usage - -```sh -# Install dependencies -$ npm install - -# Run in dev -$ npm run dev - -# Build for prod -$ npm run build -``` - -See `scripts` in `package.json` for additional commands. - -## Credits - -Based on [http://a.teall.info/dice/](http://a.teall.info/dice/) by Anton Natarov. diff --git a/src/static/_redirects b/_redirects similarity index 100% rename from src/static/_redirects rename to _redirects diff --git a/res/app-icon/app-icon-114.png b/app-icon-114.png similarity index 100% rename from res/app-icon/app-icon-114.png rename to app-icon-114.png diff --git a/res/app-icon/app-icon-120.png b/app-icon-120.png similarity index 100% rename from res/app-icon/app-icon-120.png rename to app-icon-120.png diff --git a/res/app-icon/app-icon-144.png b/app-icon-144.png similarity index 100% rename from res/app-icon/app-icon-144.png rename to app-icon-144.png diff --git a/res/app-icon/app-icon-152.png b/app-icon-152.png similarity index 100% rename from res/app-icon/app-icon-152.png rename to app-icon-152.png diff --git a/res/app-icon/app-icon-180.png b/app-icon-180.png similarity index 100% rename from res/app-icon/app-icon-180.png rename to app-icon-180.png diff --git a/res/app-icon/app-icon-192.png b/app-icon-192.png similarity index 100% rename from res/app-icon/app-icon-192.png rename to app-icon-192.png diff --git a/res/app-icon/app-icon-512.png b/app-icon-512.png similarity index 100% rename from res/app-icon/app-icon-512.png rename to app-icon-512.png diff --git a/res/app-icon/app-icon-57.png b/app-icon-57.png similarity index 100% rename from res/app-icon/app-icon-57.png rename to app-icon-57.png diff --git a/res/app-icon/app-icon-60.png b/app-icon-60.png similarity index 100% rename from res/app-icon/app-icon-60.png rename to app-icon-60.png diff --git a/res/app-icon/app-icon-72.png b/app-icon-72.png similarity index 100% rename from res/app-icon/app-icon-72.png rename to app-icon-72.png diff --git 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/dev/null +++ b/bundle.6a21672bdf3ad9d1ca06.js @@ -0,0 +1,69260 @@ +/******/ (() => { // webpackBootstrap +/******/ var __webpack_modules__ = ({ + +/***/ 125: +/***/ ((module) => { + +/* + * Copyright (c) 2015 cannon.js Authors + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +!function(e){if(true)module.exports=e();else { var f; }}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=undefined;if(!u&&a)return require(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=undefined;for(var o=0;o (http://steffe.se)", + "keywords": [ + "cannon.js", + "cannon", + "physics", + "engine", + "3d" + ], + "main": "./build/cannon.js", + "engines": { + "node": "*" + }, + "repository": { + "type": "git", + "url": "https://github.com/schteppe/cannon.js.git" + }, + "bugs": { + "url": "https://github.com/schteppe/cannon.js/issues" + }, + "licenses": [ + { + "type": "MIT" + } + ], + "devDependencies": { + "jshint": "latest", + "uglify-js": "latest", + "nodeunit": "^0.9.0", + "grunt": "~0.4.0", + "grunt-contrib-jshint": "~0.1.1", + "grunt-contrib-nodeunit": "^0.4.1", + "grunt-contrib-concat": "~0.1.3", + "grunt-contrib-uglify": "^0.5.1", + "grunt-browserify": "^2.1.4", + "grunt-contrib-yuidoc": "^0.5.2", + "browserify": "*" + }, + "dependencies": {} +} + +},{}],2:[function(_dereq_,module,exports){ +// Export classes +module.exports = { + version : _dereq_('../package.json').version, + + AABB : _dereq_('./collision/AABB'), + ArrayCollisionMatrix : _dereq_('./collision/ArrayCollisionMatrix'), + Body : _dereq_('./objects/Body'), + Box : _dereq_('./shapes/Box'), + Broadphase : _dereq_('./collision/Broadphase'), + Constraint : _dereq_('./constraints/Constraint'), + ContactEquation : _dereq_('./equations/ContactEquation'), + Narrowphase : _dereq_('./world/Narrowphase'), + ConeTwistConstraint : _dereq_('./constraints/ConeTwistConstraint'), + ContactMaterial : _dereq_('./material/ContactMaterial'), + ConvexPolyhedron : _dereq_('./shapes/ConvexPolyhedron'), + Cylinder : _dereq_('./shapes/Cylinder'), + DistanceConstraint : _dereq_('./constraints/DistanceConstraint'), + Equation : _dereq_('./equations/Equation'), + EventTarget : _dereq_('./utils/EventTarget'), + FrictionEquation : _dereq_('./equations/FrictionEquation'), + GSSolver : _dereq_('./solver/GSSolver'), + GridBroadphase : _dereq_('./collision/GridBroadphase'), + Heightfield : _dereq_('./shapes/Heightfield'), + HingeConstraint : _dereq_('./constraints/HingeConstraint'), + LockConstraint : _dereq_('./constraints/LockConstraint'), + Mat3 : _dereq_('./math/Mat3'), + Material : _dereq_('./material/Material'), + NaiveBroadphase : _dereq_('./collision/NaiveBroadphase'), + ObjectCollisionMatrix : _dereq_('./collision/ObjectCollisionMatrix'), + Pool : _dereq_('./utils/Pool'), + Particle : _dereq_('./shapes/Particle'), + Plane : _dereq_('./shapes/Plane'), + PointToPointConstraint : _dereq_('./constraints/PointToPointConstraint'), + Quaternion : _dereq_('./math/Quaternion'), + Ray : _dereq_('./collision/Ray'), + RaycastVehicle : _dereq_('./objects/RaycastVehicle'), + RaycastResult : _dereq_('./collision/RaycastResult'), + RigidVehicle : _dereq_('./objects/RigidVehicle'), + RotationalEquation : _dereq_('./equations/RotationalEquation'), + RotationalMotorEquation : _dereq_('./equations/RotationalMotorEquation'), + SAPBroadphase : _dereq_('./collision/SAPBroadphase'), + SPHSystem : _dereq_('./objects/SPHSystem'), + Shape : _dereq_('./shapes/Shape'), + Solver : _dereq_('./solver/Solver'), + Sphere : _dereq_('./shapes/Sphere'), + SplitSolver : _dereq_('./solver/SplitSolver'), + Spring : _dereq_('./objects/Spring'), + Trimesh : _dereq_('./shapes/Trimesh'), + Vec3 : _dereq_('./math/Vec3'), + Vec3Pool : _dereq_('./utils/Vec3Pool'), + World : _dereq_('./world/World'), +}; + +},{"../package.json":1,"./collision/AABB":3,"./collision/ArrayCollisionMatrix":4,"./collision/Broadphase":5,"./collision/GridBroadphase":6,"./collision/NaiveBroadphase":7,"./collision/ObjectCollisionMatrix":8,"./collision/Ray":9,"./collision/RaycastResult":10,"./collision/SAPBroadphase":11,"./constraints/ConeTwistConstraint":12,"./constraints/Constraint":13,"./constraints/DistanceConstraint":14,"./constraints/HingeConstraint":15,"./constraints/LockConstraint":16,"./constraints/PointToPointConstraint":17,"./equations/ContactEquation":19,"./equations/Equation":20,"./equations/FrictionEquation":21,"./equations/RotationalEquation":22,"./equations/RotationalMotorEquation":23,"./material/ContactMaterial":24,"./material/Material":25,"./math/Mat3":27,"./math/Quaternion":28,"./math/Vec3":30,"./objects/Body":31,"./objects/RaycastVehicle":32,"./objects/RigidVehicle":33,"./objects/SPHSystem":34,"./objects/Spring":35,"./shapes/Box":37,"./shapes/ConvexPolyhedron":38,"./shapes/Cylinder":39,"./shapes/Heightfield":40,"./shapes/Particle":41,"./shapes/Plane":42,"./shapes/Shape":43,"./shapes/Sphere":44,"./shapes/Trimesh":45,"./solver/GSSolver":46,"./solver/Solver":47,"./solver/SplitSolver":48,"./utils/EventTarget":49,"./utils/Pool":51,"./utils/Vec3Pool":54,"./world/Narrowphase":55,"./world/World":56}],3:[function(_dereq_,module,exports){ +var Vec3 = _dereq_('../math/Vec3'); +var Utils = _dereq_('../utils/Utils'); + +module.exports = AABB; + +/** + * Axis aligned bounding box class. + * @class AABB + * @constructor + * @param {Object} [options] + * @param {Vec3} [options.upperBound] + * @param {Vec3} [options.lowerBound] + */ +function AABB(options){ + options = options || {}; + + /** + * The lower bound of the bounding box. + * @property lowerBound + * @type {Vec3} + */ + this.lowerBound = new Vec3(); + if(options.lowerBound){ + this.lowerBound.copy(options.lowerBound); + } + + /** + * The upper bound of the bounding box. + * @property upperBound + * @type {Vec3} + */ + this.upperBound = new Vec3(); + if(options.upperBound){ + this.upperBound.copy(options.upperBound); + } +} + +var tmp = new Vec3(); + +/** + * Set the AABB bounds from a set of points. + * @method setFromPoints + * @param {Array} points An array of Vec3's. + * @param {Vec3} position + * @param {Quaternion} quaternion + * @param {number} skinSize + * @return {AABB} The self object + */ +AABB.prototype.setFromPoints = function(points, position, quaternion, skinSize){ + var l = this.lowerBound, + u = this.upperBound, + q = quaternion; + + // Set to the first point + l.copy(points[0]); + if(q){ + q.vmult(l, l); + } + u.copy(l); + + for(var i = 1; i u.x){ u.x = p.x; } + if(p.x < l.x){ l.x = p.x; } + if(p.y > u.y){ u.y = p.y; } + if(p.y < l.y){ l.y = p.y; } + if(p.z > u.z){ u.z = p.z; } + if(p.z < l.z){ l.z = p.z; } + } + + // Add offset + if (position) { + position.vadd(l, l); + position.vadd(u, u); + } + + if(skinSize){ + l.x -= skinSize; + l.y -= skinSize; + l.z -= skinSize; + u.x += skinSize; + u.y += skinSize; + u.z += skinSize; + } + + return this; +}; + +/** + * Copy bounds from an AABB to this AABB + * @method copy + * @param {AABB} aabb Source to copy from + * @return {AABB} The this object, for chainability + */ +AABB.prototype.copy = function(aabb){ + this.lowerBound.copy(aabb.lowerBound); + this.upperBound.copy(aabb.upperBound); + return this; +}; + +/** + * Clone an AABB + * @method clone + */ +AABB.prototype.clone = function(){ + return new AABB().copy(this); +}; + +/** + * Extend this AABB so that it covers the given AABB too. + * @method extend + * @param {AABB} aabb + */ +AABB.prototype.extend = function(aabb){ + // Extend lower bound + var l = aabb.lowerBound.x; + if(this.lowerBound.x > l){ + this.lowerBound.x = l; + } + + // Upper + var u = aabb.upperBound.x; + if(this.upperBound.x < u){ + this.upperBound.x = u; + } + + // Extend lower bound + var l = aabb.lowerBound.y; + if(this.lowerBound.y > l){ + this.lowerBound.y = l; + } + + // Upper + var u = aabb.upperBound.y; + if(this.upperBound.y < u){ + this.upperBound.y = u; + } + + // Extend lower bound + var l = aabb.lowerBound.z; + if(this.lowerBound.z > l){ + this.lowerBound.z = l; + } + + // Upper + var u = aabb.upperBound.z; + if(this.upperBound.z < u){ + this.upperBound.z = u; + } +}; + +/** + * Returns true if the given AABB overlaps this AABB. + * @method overlaps + * @param {AABB} aabb + * @return {Boolean} + */ +AABB.prototype.overlaps = function(aabb){ + var l1 = this.lowerBound, + u1 = this.upperBound, + l2 = aabb.lowerBound, + u2 = aabb.upperBound; + + // l2 u2 + // |---------| + // |--------| + // l1 u1 + + return ((l2.x <= u1.x && u1.x <= u2.x) || (l1.x <= u2.x && u2.x <= u1.x)) && + ((l2.y <= u1.y && u1.y <= u2.y) || (l1.y <= u2.y && u2.y <= u1.y)) && + ((l2.z <= u1.z && u1.z <= u2.z) || (l1.z <= u2.z && u2.z <= u1.z)); +}; + +/** + * Returns true if the given AABB is fully contained in this AABB. + * @method contains + * @param {AABB} aabb + * @return {Boolean} + */ +AABB.prototype.contains = function(aabb){ + var l1 = this.lowerBound, + u1 = this.upperBound, + l2 = aabb.lowerBound, + u2 = aabb.upperBound; + + // l2 u2 + // |---------| + // |---------------| + // l1 u1 + + return ( + (l1.x <= l2.x && u1.x >= u2.x) && + (l1.y <= l2.y && u1.y >= u2.y) && + (l1.z <= l2.z && u1.z >= u2.z) + ); +}; + +/** + * @method getCorners + * @param {Vec3} a + * @param {Vec3} b + * @param {Vec3} c + * @param {Vec3} d + * @param {Vec3} e + * @param {Vec3} f + * @param {Vec3} g + * @param {Vec3} h + */ +AABB.prototype.getCorners = function(a, b, c, d, e, f, g, h){ + var l = this.lowerBound, + u = this.upperBound; + + a.copy(l); + b.set( u.x, l.y, l.z ); + c.set( u.x, u.y, l.z ); + d.set( l.x, u.y, u.z ); + e.set( u.x, l.y, l.z ); + f.set( l.x, u.y, l.z ); + g.set( l.x, l.y, u.z ); + h.copy(u); +}; + +var transformIntoFrame_corners = [ + new Vec3(), + new Vec3(), + new Vec3(), + new Vec3(), + new Vec3(), + new Vec3(), + new Vec3(), + new Vec3() +]; + +/** + * Get the representation of an AABB in another frame. + * @method toLocalFrame + * @param {Transform} frame + * @param {AABB} target + * @return {AABB} The "target" AABB object. + */ +AABB.prototype.toLocalFrame = function(frame, target){ + + var corners = transformIntoFrame_corners; + var a = corners[0]; + var b = corners[1]; + var c = corners[2]; + var d = corners[3]; + var e = corners[4]; + var f = corners[5]; + var g = corners[6]; + var h = corners[7]; + + // Get corners in current frame + this.getCorners(a, b, c, d, e, f, g, h); + + // Transform them to new local frame + for(var i=0; i !== 8; i++){ + var corner = corners[i]; + frame.pointToLocal(corner, corner); + } + + return target.setFromPoints(corners); +}; + +/** + * Get the representation of an AABB in the global frame. + * @method toWorldFrame + * @param {Transform} frame + * @param {AABB} target + * @return {AABB} The "target" AABB object. + */ +AABB.prototype.toWorldFrame = function(frame, target){ + + var corners = transformIntoFrame_corners; + var a = corners[0]; + var b = corners[1]; + var c = corners[2]; + var d = corners[3]; + var e = corners[4]; + var f = corners[5]; + var g = corners[6]; + var h = corners[7]; + + // Get corners in current frame + this.getCorners(a, b, c, d, e, f, g, h); + + // Transform them to new local frame + for(var i=0; i !== 8; i++){ + var corner = corners[i]; + frame.pointToWorld(corner, corner); + } + + return target.setFromPoints(corners); +}; + +},{"../math/Vec3":30,"../utils/Utils":53}],4:[function(_dereq_,module,exports){ +module.exports = ArrayCollisionMatrix; + +/** + * Collision "matrix". It's actually a triangular-shaped array of whether two bodies are touching this step, for reference next step + * @class ArrayCollisionMatrix + * @constructor + */ +function ArrayCollisionMatrix() { + + /** + * The matrix storage + * @property matrix + * @type {Array} + */ + this.matrix = []; +} + +/** + * Get an element + * @method get + * @param {Number} i + * @param {Number} j + * @return {Number} + */ +ArrayCollisionMatrix.prototype.get = function(i, j) { + i = i.index; + j = j.index; + if (j > i) { + var temp = j; + j = i; + i = temp; + } + return this.matrix[(i*(i + 1)>>1) + j-1]; +}; + +/** + * Set an element + * @method set + * @param {Number} i + * @param {Number} j + * @param {Number} value + */ +ArrayCollisionMatrix.prototype.set = function(i, j, value) { + i = i.index; + j = j.index; + if (j > i) { + var temp = j; + j = i; + i = temp; + } + this.matrix[(i*(i + 1)>>1) + j-1] = value ? 1 : 0; +}; + +/** + * Sets all elements to zero + * @method reset + */ +ArrayCollisionMatrix.prototype.reset = function() { + for (var i=0, l=this.matrix.length; i!==l; i++) { + this.matrix[i]=0; + } +}; + +/** + * Sets the max number of objects + * @method setNumObjects + * @param {Number} n + */ +ArrayCollisionMatrix.prototype.setNumObjects = function(n) { + this.matrix.length = n*(n-1)>>1; +}; + +},{}],5:[function(_dereq_,module,exports){ +var Body = _dereq_('../objects/Body'); +var Vec3 = _dereq_('../math/Vec3'); +var Quaternion = _dereq_('../math/Quaternion'); +var Shape = _dereq_('../shapes/Shape'); +var Plane = _dereq_('../shapes/Plane'); + +module.exports = Broadphase; + +/** + * Base class for broadphase implementations + * @class Broadphase + * @constructor + * @author schteppe + */ +function Broadphase(){ + /** + * The world to search for collisions in. + * @property world + * @type {World} + */ + this.world = null; + + /** + * If set to true, the broadphase uses bounding boxes for intersection test, else it uses bounding spheres. + * @property useBoundingBoxes + * @type {Boolean} + */ + this.useBoundingBoxes = false; + + /** + * Set to true if the objects in the world moved. + * @property {Boolean} dirty + */ + this.dirty = true; +} + +/** + * Get the collision pairs from the world + * @method collisionPairs + * @param {World} world The world to search in + * @param {Array} p1 Empty array to be filled with body objects + * @param {Array} p2 Empty array to be filled with body objects + */ +Broadphase.prototype.collisionPairs = function(world,p1,p2){ + throw new Error("collisionPairs not implemented for this BroadPhase class!"); +}; + +/** + * Check if a body pair needs to be intersection tested at all. + * @method needBroadphaseCollision + * @param {Body} bodyA + * @param {Body} bodyB + * @return {bool} + */ +var Broadphase_needBroadphaseCollision_STATIC_OR_KINEMATIC = Body.STATIC | Body.KINEMATIC; +Broadphase.prototype.needBroadphaseCollision = function(bodyA,bodyB){ + + // Check collision filter masks + if( (bodyA.collisionFilterGroup & bodyB.collisionFilterMask)===0 || (bodyB.collisionFilterGroup & bodyA.collisionFilterMask)===0){ + return false; + } + + // Check types + if(((bodyA.type & Broadphase_needBroadphaseCollision_STATIC_OR_KINEMATIC)!==0 || bodyA.sleepState === Body.SLEEPING) && + ((bodyB.type & Broadphase_needBroadphaseCollision_STATIC_OR_KINEMATIC)!==0 || bodyB.sleepState === Body.SLEEPING)) { + // Both bodies are static, kinematic or sleeping. Skip. + return false; + } + + return true; +}; + +/** + * Check if the bounding volumes of two bodies intersect. + * @method intersectionTest + * @param {Body} bodyA + * @param {Body} bodyB + * @param {array} pairs1 + * @param {array} pairs2 + */ +Broadphase.prototype.intersectionTest = function(bodyA, bodyB, pairs1, pairs2){ + if(this.useBoundingBoxes){ + this.doBoundingBoxBroadphase(bodyA,bodyB,pairs1,pairs2); + } else { + this.doBoundingSphereBroadphase(bodyA,bodyB,pairs1,pairs2); + } +}; + +/** + * Check if the bounding spheres of two bodies are intersecting. + * @method doBoundingSphereBroadphase + * @param {Body} bodyA + * @param {Body} bodyB + * @param {Array} pairs1 bodyA is appended to this array if intersection + * @param {Array} pairs2 bodyB is appended to this array if intersection + */ +var Broadphase_collisionPairs_r = new Vec3(), // Temp objects + Broadphase_collisionPairs_normal = new Vec3(), + Broadphase_collisionPairs_quat = new Quaternion(), + Broadphase_collisionPairs_relpos = new Vec3(); +Broadphase.prototype.doBoundingSphereBroadphase = function(bodyA,bodyB,pairs1,pairs2){ + var r = Broadphase_collisionPairs_r; + bodyB.position.vsub(bodyA.position,r); + var boundingRadiusSum2 = Math.pow(bodyA.boundingRadius + bodyB.boundingRadius, 2); + var norm2 = r.norm2(); + if(norm2 < boundingRadiusSum2){ + pairs1.push(bodyA); + pairs2.push(bodyB); + } +}; + +/** + * Check if the bounding boxes of two bodies are intersecting. + * @method doBoundingBoxBroadphase + * @param {Body} bodyA + * @param {Body} bodyB + * @param {Array} pairs1 + * @param {Array} pairs2 + */ +Broadphase.prototype.doBoundingBoxBroadphase = function(bodyA,bodyB,pairs1,pairs2){ + if(bodyA.aabbNeedsUpdate){ + bodyA.computeAABB(); + } + if(bodyB.aabbNeedsUpdate){ + bodyB.computeAABB(); + } + + // Check AABB / AABB + if(bodyA.aabb.overlaps(bodyB.aabb)){ + pairs1.push(bodyA); + pairs2.push(bodyB); + } +}; + +/** + * Removes duplicate pairs from the pair arrays. + * @method makePairsUnique + * @param {Array} pairs1 + * @param {Array} pairs2 + */ +var Broadphase_makePairsUnique_temp = { keys:[] }, + Broadphase_makePairsUnique_p1 = [], + Broadphase_makePairsUnique_p2 = []; +Broadphase.prototype.makePairsUnique = function(pairs1,pairs2){ + var t = Broadphase_makePairsUnique_temp, + p1 = Broadphase_makePairsUnique_p1, + p2 = Broadphase_makePairsUnique_p2, + N = pairs1.length; + + for(var i=0; i!==N; i++){ + p1[i] = pairs1[i]; + p2[i] = pairs2[i]; + } + + pairs1.length = 0; + pairs2.length = 0; + + for(var i=0; i!==N; i++){ + var id1 = p1[i].id, + id2 = p2[i].id; + var key = id1 < id2 ? id1+","+id2 : id2+","+id1; + t[key] = i; + t.keys.push(key); + } + + for(var i=0; i!==t.keys.length; i++){ + var key = t.keys.pop(), + pairIndex = t[key]; + pairs1.push(p1[pairIndex]); + pairs2.push(p2[pairIndex]); + delete t[key]; + } +}; + +/** + * To be implemented by subcasses + * @method setWorld + * @param {World} world + */ +Broadphase.prototype.setWorld = function(world){ +}; + +/** + * Check if the bounding spheres of two bodies overlap. + * @method boundingSphereCheck + * @param {Body} bodyA + * @param {Body} bodyB + * @return {boolean} + */ +var bsc_dist = new Vec3(); +Broadphase.boundingSphereCheck = function(bodyA,bodyB){ + var dist = bsc_dist; + bodyA.position.vsub(bodyB.position,dist); + return Math.pow(bodyA.shape.boundingSphereRadius + bodyB.shape.boundingSphereRadius,2) > dist.norm2(); +}; + +/** + * Returns all the bodies within the AABB. + * @method aabbQuery + * @param {World} world + * @param {AABB} aabb + * @param {array} result An array to store resulting bodies in. + * @return {array} + */ +Broadphase.prototype.aabbQuery = function(world, aabb, result){ + console.warn('.aabbQuery is not implemented in this Broadphase subclass.'); + return []; +}; +},{"../math/Quaternion":28,"../math/Vec3":30,"../objects/Body":31,"../shapes/Plane":42,"../shapes/Shape":43}],6:[function(_dereq_,module,exports){ +module.exports = GridBroadphase; + +var Broadphase = _dereq_('./Broadphase'); +var Vec3 = _dereq_('../math/Vec3'); +var Shape = _dereq_('../shapes/Shape'); + +/** + * Axis aligned uniform grid broadphase. + * @class GridBroadphase + * @constructor + * @extends Broadphase + * @todo Needs support for more than just planes and spheres. + * @param {Vec3} aabbMin + * @param {Vec3} aabbMax + * @param {Number} nx Number of boxes along x + * @param {Number} ny Number of boxes along y + * @param {Number} nz Number of boxes along z + */ +function GridBroadphase(aabbMin,aabbMax,nx,ny,nz){ + Broadphase.apply(this); + this.nx = nx || 10; + this.ny = ny || 10; + this.nz = nz || 10; + this.aabbMin = aabbMin || new Vec3(100,100,100); + this.aabbMax = aabbMax || new Vec3(-100,-100,-100); + var nbins = this.nx * this.ny * this.nz; + if (nbins <= 0) { + throw "GridBroadphase: Each dimension's n must be >0"; + } + this.bins = []; + this.binLengths = []; //Rather than continually resizing arrays (thrashing the memory), just record length and allow them to grow + this.bins.length = nbins; + this.binLengths.length = nbins; + for (var i=0;i= nx) { xoff0 = nx - 1; } + if (yoff0 < 0) { yoff0 = 0; } else if (yoff0 >= ny) { yoff0 = ny - 1; } + if (zoff0 < 0) { zoff0 = 0; } else if (zoff0 >= nz) { zoff0 = nz - 1; } + if (xoff1 < 0) { xoff1 = 0; } else if (xoff1 >= nx) { xoff1 = nx - 1; } + if (yoff1 < 0) { yoff1 = 0; } else if (yoff1 >= ny) { yoff1 = ny - 1; } + if (zoff1 < 0) { zoff1 = 0; } else if (zoff1 >= nz) { zoff1 = nz - 1; } + + xoff0 *= xstep; + yoff0 *= ystep; + zoff0 *= zstep; + xoff1 *= xstep; + yoff1 *= ystep; + zoff1 *= zstep; + + for (var xoff = xoff0; xoff <= xoff1; xoff += xstep) { + for (var yoff = yoff0; yoff <= yoff1; yoff += ystep) { + for (var zoff = zoff0; zoff <= zoff1; zoff += zstep) { + var idx = xoff+yoff+zoff; + bins[idx][binLengths[idx]++] = bi; + } + } + } + } + + // Put all bodies into the bins + for(var i=0; i!==N; i++){ + var bi = bodies[i]; + var si = bi.shape; + + switch(si.type){ + case SPHERE: + // Put in bin + // check if overlap with other bins + var x = bi.position.x, + y = bi.position.y, + z = bi.position.z; + var r = si.radius; + + addBoxToBins(x-r, y-r, z-r, x+r, y+r, z+r, bi); + break; + + case PLANE: + if(si.worldNormalNeedsUpdate){ + si.computeWorldNormal(bi.quaternion); + } + var planeNormal = si.worldNormal; + + //Relative position from origin of plane object to the first bin + //Incremented as we iterate through the bins + var xreset = xmin + binsizeX*0.5 - bi.position.x, + yreset = ymin + binsizeY*0.5 - bi.position.y, + zreset = zmin + binsizeZ*0.5 - bi.position.z; + + var d = GridBroadphase_collisionPairs_d; + d.set(xreset, yreset, zreset); + + for (var xi = 0, xoff = 0; xi !== nx; xi++, xoff += xstep, d.y = yreset, d.x += binsizeX) { + for (var yi = 0, yoff = 0; yi !== ny; yi++, yoff += ystep, d.z = zreset, d.y += binsizeY) { + for (var zi = 0, zoff = 0; zi !== nz; zi++, zoff += zstep, d.z += binsizeZ) { + if (d.dot(planeNormal) < binRadius) { + var idx = xoff + yoff + zoff; + bins[idx][binLengths[idx]++] = bi; + } + } + } + } + break; + + default: + if (bi.aabbNeedsUpdate) { + bi.computeAABB(); + } + + addBoxToBins( + bi.aabb.lowerBound.x, + bi.aabb.lowerBound.y, + bi.aabb.lowerBound.z, + bi.aabb.upperBound.x, + bi.aabb.upperBound.y, + bi.aabb.upperBound.z, + bi); + break; + } + } + + // Check each bin + for(var i=0; i!==Nbins; i++){ + var binLength = binLengths[i]; + //Skip bins with no potential collisions + if (binLength > 1) { + var bin = bins[i]; + + // Do N^2 broadphase inside + for(var xi=0; xi!==binLength; xi++){ + var bi = bin[xi]; + for(var yi=0; yi!==xi; yi++){ + var bj = bin[yi]; + if(this.needBroadphaseCollision(bi,bj)){ + this.intersectionTest(bi,bj,pairs1,pairs2); + } + } + } + } + } + +// for (var zi = 0, zoff=0; zi < nz; zi++, zoff+= zstep) { +// console.log("layer "+zi); +// for (var yi = 0, yoff=0; yi < ny; yi++, yoff += ystep) { +// var row = ''; +// for (var xi = 0, xoff=0; xi < nx; xi++, xoff += xstep) { +// var idx = xoff + yoff + zoff; +// row += ' ' + binLengths[idx]; +// } +// console.log(row); +// } +// } + + this.makePairsUnique(pairs1,pairs2); +}; + +},{"../math/Vec3":30,"../shapes/Shape":43,"./Broadphase":5}],7:[function(_dereq_,module,exports){ +module.exports = NaiveBroadphase; + +var Broadphase = _dereq_('./Broadphase'); +var AABB = _dereq_('./AABB'); + +/** + * Naive broadphase implementation, used in lack of better ones. + * @class NaiveBroadphase + * @constructor + * @description The naive broadphase looks at all possible pairs without restriction, therefore it has complexity N^2 (which is bad) + * @extends Broadphase + */ +function NaiveBroadphase(){ + Broadphase.apply(this); +} +NaiveBroadphase.prototype = new Broadphase(); +NaiveBroadphase.prototype.constructor = NaiveBroadphase; + +/** + * Get all the collision pairs in the physics world + * @method collisionPairs + * @param {World} world + * @param {Array} pairs1 + * @param {Array} pairs2 + */ +NaiveBroadphase.prototype.collisionPairs = function(world,pairs1,pairs2){ + var bodies = world.bodies, + n = bodies.length, + i,j,bi,bj; + + // Naive N^2 ftw! + for(i=0; i!==n; i++){ + for(j=0; j!==i; j++){ + + bi = bodies[i]; + bj = bodies[j]; + + if(!this.needBroadphaseCollision(bi,bj)){ + continue; + } + + this.intersectionTest(bi,bj,pairs1,pairs2); + } + } +}; + +var tmpAABB = new AABB(); + +/** + * Returns all the bodies within an AABB. + * @method aabbQuery + * @param {World} world + * @param {AABB} aabb + * @param {array} result An array to store resulting bodies in. + * @return {array} + */ +NaiveBroadphase.prototype.aabbQuery = function(world, aabb, result){ + result = result || []; + + for(var i = 0; i < world.bodies.length; i++){ + var b = world.bodies[i]; + + if(b.aabbNeedsUpdate){ + b.computeAABB(); + } + + // Ugly hack until Body gets aabb + if(b.aabb.overlaps(aabb)){ + result.push(b); + } + } + + return result; +}; +},{"./AABB":3,"./Broadphase":5}],8:[function(_dereq_,module,exports){ +module.exports = ObjectCollisionMatrix; + +/** + * Records what objects are colliding with each other + * @class ObjectCollisionMatrix + * @constructor + */ +function ObjectCollisionMatrix() { + + /** + * The matrix storage + * @property matrix + * @type {Object} + */ + this.matrix = {}; +} + +/** + * @method get + * @param {Number} i + * @param {Number} j + * @return {Number} + */ +ObjectCollisionMatrix.prototype.get = function(i, j) { + i = i.id; + j = j.id; + if (j > i) { + var temp = j; + j = i; + i = temp; + } + return i+'-'+j in this.matrix; +}; + +/** + * @method set + * @param {Number} i + * @param {Number} j + * @param {Number} value + */ +ObjectCollisionMatrix.prototype.set = function(i, j, value) { + i = i.id; + j = j.id; + if (j > i) { + var temp = j; + j = i; + i = temp; + } + if (value) { + this.matrix[i+'-'+j] = true; + } + else { + delete this.matrix[i+'-'+j]; + } +}; + +/** + * Empty the matrix + * @method reset + */ +ObjectCollisionMatrix.prototype.reset = function() { + this.matrix = {}; +}; + +/** + * Set max number of objects + * @method setNumObjects + * @param {Number} n + */ +ObjectCollisionMatrix.prototype.setNumObjects = function(n) { +}; + +},{}],9:[function(_dereq_,module,exports){ +module.exports = Ray; + +var Vec3 = _dereq_('../math/Vec3'); +var Quaternion = _dereq_('../math/Quaternion'); +var Transform = _dereq_('../math/Transform'); +var ConvexPolyhedron = _dereq_('../shapes/ConvexPolyhedron'); +var Box = _dereq_('../shapes/Box'); +var RaycastResult = _dereq_('../collision/RaycastResult'); +var Shape = _dereq_('../shapes/Shape'); +var AABB = _dereq_('../collision/AABB'); + +/** + * A line in 3D space that intersects bodies and return points. + * @class Ray + * @constructor + * @param {Vec3} from + * @param {Vec3} to + */ +function Ray(from, to){ + /** + * @property {Vec3} from + */ + this.from = from ? from.clone() : new Vec3(); + + /** + * @property {Vec3} to + */ + this.to = to ? to.clone() : new Vec3(); + + /** + * @private + * @property {Vec3} _direction + */ + this._direction = new Vec3(); + + /** + * The precision of the ray. Used when checking parallelity etc. + * @property {Number} precision + */ + this.precision = 0.0001; + + /** + * Set to true if you want the Ray to take .collisionResponse flags into account on bodies and shapes. + * @property {Boolean} checkCollisionResponse + */ + this.checkCollisionResponse = true; + + /** + * If set to true, the ray skips any hits with normal.dot(rayDirection) < 0. + * @property {Boolean} skipBackfaces + */ + this.skipBackfaces = false; + + /** + * @property {number} collisionFilterMask + * @default -1 + */ + this.collisionFilterMask = -1; + + /** + * @property {number} collisionFilterGroup + * @default -1 + */ + this.collisionFilterGroup = -1; + + /** + * The intersection mode. Should be Ray.ANY, Ray.ALL or Ray.CLOSEST. + * @property {number} mode + */ + this.mode = Ray.ANY; + + /** + * Current result object. + * @property {RaycastResult} result + */ + this.result = new RaycastResult(); + + /** + * Will be set to true during intersectWorld() if the ray hit anything. + * @property {Boolean} hasHit + */ + this.hasHit = false; + + /** + * Current, user-provided result callback. Will be used if mode is Ray.ALL. + * @property {Function} callback + */ + this.callback = function(result){}; +} +Ray.prototype.constructor = Ray; + +Ray.CLOSEST = 1; +Ray.ANY = 2; +Ray.ALL = 4; + +var tmpAABB = new AABB(); +var tmpArray = []; + +/** + * Do itersection against all bodies in the given World. + * @method intersectWorld + * @param {World} world + * @param {object} options + * @return {Boolean} True if the ray hit anything, otherwise false. + */ +Ray.prototype.intersectWorld = function (world, options) { + this.mode = options.mode || Ray.ANY; + this.result = options.result || new RaycastResult(); + this.skipBackfaces = !!options.skipBackfaces; + this.collisionFilterMask = typeof(options.collisionFilterMask) !== 'undefined' ? options.collisionFilterMask : -1; + this.collisionFilterGroup = typeof(options.collisionFilterGroup) !== 'undefined' ? options.collisionFilterGroup : -1; + if(options.from){ + this.from.copy(options.from); + } + if(options.to){ + this.to.copy(options.to); + } + this.callback = options.callback || function(){}; + this.hasHit = false; + + this.result.reset(); + this._updateDirection(); + + this.getAABB(tmpAABB); + tmpArray.length = 0; + world.broadphase.aabbQuery(world, tmpAABB, tmpArray); + this.intersectBodies(tmpArray); + + return this.hasHit; +}; + +var v1 = new Vec3(), + v2 = new Vec3(); + +/* + * As per "Barycentric Technique" as named here http://www.blackpawn.com/texts/pointinpoly/default.html But without the division + */ +Ray.pointInTriangle = pointInTriangle; +function pointInTriangle(p, a, b, c) { + c.vsub(a,v0); + b.vsub(a,v1); + p.vsub(a,v2); + + var dot00 = v0.dot( v0 ); + var dot01 = v0.dot( v1 ); + var dot02 = v0.dot( v2 ); + var dot11 = v1.dot( v1 ); + var dot12 = v1.dot( v2 ); + + var u,v; + + return ( (u = dot11 * dot02 - dot01 * dot12) >= 0 ) && + ( (v = dot00 * dot12 - dot01 * dot02) >= 0 ) && + ( u + v < ( dot00 * dot11 - dot01 * dot01 ) ); +} + +/** + * Shoot a ray at a body, get back information about the hit. + * @method intersectBody + * @private + * @param {Body} body + * @param {RaycastResult} [result] Deprecated - set the result property of the Ray instead. + */ +var intersectBody_xi = new Vec3(); +var intersectBody_qi = new Quaternion(); +Ray.prototype.intersectBody = function (body, result) { + if(result){ + this.result = result; + this._updateDirection(); + } + var checkCollisionResponse = this.checkCollisionResponse; + + if(checkCollisionResponse && !body.collisionResponse){ + return; + } + + if((this.collisionFilterGroup & body.collisionFilterMask)===0 || (body.collisionFilterGroup & this.collisionFilterMask)===0){ + return; + } + + var xi = intersectBody_xi; + var qi = intersectBody_qi; + + for (var i = 0, N = body.shapes.length; i < N; i++) { + var shape = body.shapes[i]; + + if(checkCollisionResponse && !shape.collisionResponse){ + continue; // Skip + } + + body.quaternion.mult(body.shapeOrientations[i], qi); + body.quaternion.vmult(body.shapeOffsets[i], xi); + xi.vadd(body.position, xi); + + this.intersectShape( + shape, + qi, + xi, + body + ); + + if(this.result._shouldStop){ + break; + } + } +}; + +/** + * @method intersectBodies + * @param {Array} bodies An array of Body objects. + * @param {RaycastResult} [result] Deprecated + */ +Ray.prototype.intersectBodies = function (bodies, result) { + if(result){ + this.result = result; + this._updateDirection(); + } + + for ( var i = 0, l = bodies.length; !this.result._shouldStop && i < l; i ++ ) { + this.intersectBody(bodies[i]); + } +}; + +/** + * Updates the _direction vector. + * @private + * @method _updateDirection + */ +Ray.prototype._updateDirection = function(){ + this.to.vsub(this.from, this._direction); + this._direction.normalize(); +}; + +/** + * @method intersectShape + * @private + * @param {Shape} shape + * @param {Quaternion} quat + * @param {Vec3} position + * @param {Body} body + */ +Ray.prototype.intersectShape = function(shape, quat, position, body){ + var from = this.from; + + + // Checking boundingSphere + var distance = distanceFromIntersection(from, this._direction, position); + if ( distance > shape.boundingSphereRadius ) { + return; + } + + var intersectMethod = this[shape.type]; + if(intersectMethod){ + intersectMethod.call(this, shape, quat, position, body); + } +}; + +var vector = new Vec3(); +var normal = new Vec3(); +var intersectPoint = new Vec3(); + +var a = new Vec3(); +var b = new Vec3(); +var c = new Vec3(); +var d = new Vec3(); + +var tmpRaycastResult = new RaycastResult(); + +/** + * @method intersectBox + * @private + * @param {Shape} shape + * @param {Quaternion} quat + * @param {Vec3} position + * @param {Body} body + */ +Ray.prototype.intersectBox = function(shape, quat, position, body){ + return this.intersectConvex(shape.convexPolyhedronRepresentation, quat, position, body); +}; +Ray.prototype[Shape.types.BOX] = Ray.prototype.intersectBox; + +/** + * @method intersectPlane + * @private + * @param {Shape} shape + * @param {Quaternion} quat + * @param {Vec3} position + * @param {Body} body + */ +Ray.prototype.intersectPlane = function(shape, quat, position, body){ + var from = this.from; + var to = this.to; + var direction = this._direction; + + // Get plane normal + var worldNormal = new Vec3(0, 0, 1); + quat.vmult(worldNormal, worldNormal); + + var len = new Vec3(); + from.vsub(position, len); + var planeToFrom = len.dot(worldNormal); + to.vsub(position, len); + var planeToTo = len.dot(worldNormal); + + if(planeToFrom * planeToTo > 0){ + // "from" and "to" are on the same side of the plane... bail out + return; + } + + if(from.distanceTo(to) < planeToFrom){ + return; + } + + var n_dot_dir = worldNormal.dot(direction); + + if (Math.abs(n_dot_dir) < this.precision) { + // No intersection + return; + } + + var planePointToFrom = new Vec3(); + var dir_scaled_with_t = new Vec3(); + var hitPointWorld = new Vec3(); + + from.vsub(position, planePointToFrom); + var t = -worldNormal.dot(planePointToFrom) / n_dot_dir; + direction.scale(t, dir_scaled_with_t); + from.vadd(dir_scaled_with_t, hitPointWorld); + + this.reportIntersection(worldNormal, hitPointWorld, shape, body, -1); +}; +Ray.prototype[Shape.types.PLANE] = Ray.prototype.intersectPlane; + +/** + * Get the world AABB of the ray. + * @method getAABB + * @param {AABB} aabb + */ +Ray.prototype.getAABB = function(result){ + var to = this.to; + var from = this.from; + result.lowerBound.x = Math.min(to.x, from.x); + result.lowerBound.y = Math.min(to.y, from.y); + result.lowerBound.z = Math.min(to.z, from.z); + result.upperBound.x = Math.max(to.x, from.x); + result.upperBound.y = Math.max(to.y, from.y); + result.upperBound.z = Math.max(to.z, from.z); +}; + +var intersectConvexOptions = { + faceList: [0] +}; + +/** + * @method intersectHeightfield + * @private + * @param {Shape} shape + * @param {Quaternion} quat + * @param {Vec3} position + * @param {Body} body + */ +Ray.prototype.intersectHeightfield = function(shape, quat, position, body){ + var data = shape.data, + w = shape.elementSize, + worldPillarOffset = new Vec3(); + + // Convert the ray to local heightfield coordinates + var localRay = new Ray(this.from, this.to); + Transform.pointToLocalFrame(position, quat, localRay.from, localRay.from); + Transform.pointToLocalFrame(position, quat, localRay.to, localRay.to); + + // Get the index of the data points to test against + var index = []; + var iMinX = null; + var iMinY = null; + var iMaxX = null; + var iMaxY = null; + + var inside = shape.getIndexOfPosition(localRay.from.x, localRay.from.y, index, false); + if(inside){ + iMinX = index[0]; + iMinY = index[1]; + iMaxX = index[0]; + iMaxY = index[1]; + } + inside = shape.getIndexOfPosition(localRay.to.x, localRay.to.y, index, false); + if(inside){ + if (iMinX === null || index[0] < iMinX) { iMinX = index[0]; } + if (iMaxX === null || index[0] > iMaxX) { iMaxX = index[0]; } + if (iMinY === null || index[1] < iMinY) { iMinY = index[1]; } + if (iMaxY === null || index[1] > iMaxY) { iMaxY = index[1]; } + } + + if(iMinX === null){ + return; + } + + var minMax = []; + shape.getRectMinMax(iMinX, iMinY, iMaxX, iMaxY, minMax); + var min = minMax[0]; + var max = minMax[1]; + + // // Bail out if the ray can't touch the bounding box + // // TODO + // var aabb = new AABB(); + // this.getAABB(aabb); + // if(aabb.intersects()){ + // return; + // } + + for(var i = iMinX; i <= iMaxX; i++){ + for(var j = iMinY; j <= iMaxY; j++){ + + if(this.result._shouldStop){ + return; + } + + // Lower triangle + shape.getConvexTrianglePillar(i, j, false); + Transform.pointToWorldFrame(position, quat, shape.pillarOffset, worldPillarOffset); + this.intersectConvex(shape.pillarConvex, quat, worldPillarOffset, body, intersectConvexOptions); + + if(this.result._shouldStop){ + return; + } + + // Upper triangle + shape.getConvexTrianglePillar(i, j, true); + Transform.pointToWorldFrame(position, quat, shape.pillarOffset, worldPillarOffset); + this.intersectConvex(shape.pillarConvex, quat, worldPillarOffset, body, intersectConvexOptions); + } + } +}; +Ray.prototype[Shape.types.HEIGHTFIELD] = Ray.prototype.intersectHeightfield; + +var Ray_intersectSphere_intersectionPoint = new Vec3(); +var Ray_intersectSphere_normal = new Vec3(); + +/** + * @method intersectSphere + * @private + * @param {Shape} shape + * @param {Quaternion} quat + * @param {Vec3} position + * @param {Body} body + */ +Ray.prototype.intersectSphere = function(shape, quat, position, body){ + var from = this.from, + to = this.to, + r = shape.radius; + + var a = Math.pow(to.x - from.x, 2) + Math.pow(to.y - from.y, 2) + Math.pow(to.z - from.z, 2); + var b = 2 * ((to.x - from.x) * (from.x - position.x) + (to.y - from.y) * (from.y - position.y) + (to.z - from.z) * (from.z - position.z)); + var c = Math.pow(from.x - position.x, 2) + Math.pow(from.y - position.y, 2) + Math.pow(from.z - position.z, 2) - Math.pow(r, 2); + + var delta = Math.pow(b, 2) - 4 * a * c; + + var intersectionPoint = Ray_intersectSphere_intersectionPoint; + var normal = Ray_intersectSphere_normal; + + if(delta < 0){ + // No intersection + return; + + } else if(delta === 0){ + // single intersection point + from.lerp(to, delta, intersectionPoint); + + intersectionPoint.vsub(position, normal); + normal.normalize(); + + this.reportIntersection(normal, intersectionPoint, shape, body, -1); + + } else { + var d1 = (- b - Math.sqrt(delta)) / (2 * a); + var d2 = (- b + Math.sqrt(delta)) / (2 * a); + + if(d1 >= 0 && d1 <= 1){ + from.lerp(to, d1, intersectionPoint); + intersectionPoint.vsub(position, normal); + normal.normalize(); + this.reportIntersection(normal, intersectionPoint, shape, body, -1); + } + + if(this.result._shouldStop){ + return; + } + + if(d2 >= 0 && d2 <= 1){ + from.lerp(to, d2, intersectionPoint); + intersectionPoint.vsub(position, normal); + normal.normalize(); + this.reportIntersection(normal, intersectionPoint, shape, body, -1); + } + } +}; +Ray.prototype[Shape.types.SPHERE] = Ray.prototype.intersectSphere; + + +var intersectConvex_normal = new Vec3(); +var intersectConvex_minDistNormal = new Vec3(); +var intersectConvex_minDistIntersect = new Vec3(); +var intersectConvex_vector = new Vec3(); + +/** + * @method intersectConvex + * @private + * @param {Shape} shape + * @param {Quaternion} quat + * @param {Vec3} position + * @param {Body} body + * @param {object} [options] + * @param {array} [options.faceList] + */ +Ray.prototype.intersectConvex = function intersectConvex( + shape, + quat, + position, + body, + options +){ + var minDistNormal = intersectConvex_minDistNormal; + var normal = intersectConvex_normal; + var vector = intersectConvex_vector; + var minDistIntersect = intersectConvex_minDistIntersect; + var faceList = (options && options.faceList) || null; + + // Checking faces + var faces = shape.faces, + vertices = shape.vertices, + normals = shape.faceNormals; + var direction = this._direction; + + var from = this.from; + var to = this.to; + var fromToDistance = from.distanceTo(to); + + var minDist = -1; + var Nfaces = faceList ? faceList.length : faces.length; + var result = this.result; + + for (var j = 0; !result._shouldStop && j < Nfaces; j++) { + var fi = faceList ? faceList[j] : j; + + var face = faces[fi]; + var faceNormal = normals[fi]; + var q = quat; + var x = position; + + // determine if ray intersects the plane of the face + // note: this works regardless of the direction of the face normal + + // Get plane point in world coordinates... + vector.copy(vertices[face[0]]); + q.vmult(vector,vector); + vector.vadd(x,vector); + + // ...but make it relative to the ray from. We'll fix this later. + vector.vsub(from,vector); + + // Get plane normal + q.vmult(faceNormal,normal); + + // If this dot product is negative, we have something interesting + var dot = direction.dot(normal); + + // Bail out if ray and plane are parallel + if ( Math.abs( dot ) < this.precision ){ + continue; + } + + // calc distance to plane + var scalar = normal.dot(vector) / dot; + + // if negative distance, then plane is behind ray + if (scalar < 0){ + continue; + } + + // if (dot < 0) { + + // Intersection point is from + direction * scalar + direction.mult(scalar,intersectPoint); + intersectPoint.vadd(from,intersectPoint); + + // a is the point we compare points b and c with. + a.copy(vertices[face[0]]); + q.vmult(a,a); + x.vadd(a,a); + + for(var i = 1; !result._shouldStop && i < face.length - 1; i++){ + // Transform 3 vertices to world coords + b.copy(vertices[face[i]]); + c.copy(vertices[face[i+1]]); + q.vmult(b,b); + q.vmult(c,c); + x.vadd(b,b); + x.vadd(c,c); + + var distance = intersectPoint.distanceTo(from); + + if(!(pointInTriangle(intersectPoint, a, b, c) || pointInTriangle(intersectPoint, b, a, c)) || distance > fromToDistance){ + continue; + } + + this.reportIntersection(normal, intersectPoint, shape, body, fi); + } + // } + } +}; +Ray.prototype[Shape.types.CONVEXPOLYHEDRON] = Ray.prototype.intersectConvex; + +var intersectTrimesh_normal = new Vec3(); +var intersectTrimesh_localDirection = new Vec3(); +var intersectTrimesh_localFrom = new Vec3(); +var intersectTrimesh_localTo = new Vec3(); +var intersectTrimesh_worldNormal = new Vec3(); +var intersectTrimesh_worldIntersectPoint = new Vec3(); +var intersectTrimesh_localAABB = new AABB(); +var intersectTrimesh_triangles = []; +var intersectTrimesh_treeTransform = new Transform(); + +/** + * @method intersectTrimesh + * @private + * @param {Shape} shape + * @param {Quaternion} quat + * @param {Vec3} position + * @param {Body} body + * @param {object} [options] + * @todo Optimize by transforming the world to local space first. + * @todo Use Octree lookup + */ +Ray.prototype.intersectTrimesh = function intersectTrimesh( + mesh, + quat, + position, + body, + options +){ + var normal = intersectTrimesh_normal; + var triangles = intersectTrimesh_triangles; + var treeTransform = intersectTrimesh_treeTransform; + var minDistNormal = intersectConvex_minDistNormal; + var vector = intersectConvex_vector; + var minDistIntersect = intersectConvex_minDistIntersect; + var localAABB = intersectTrimesh_localAABB; + var localDirection = intersectTrimesh_localDirection; + var localFrom = intersectTrimesh_localFrom; + var localTo = intersectTrimesh_localTo; + var worldIntersectPoint = intersectTrimesh_worldIntersectPoint; + var worldNormal = intersectTrimesh_worldNormal; + var faceList = (options && options.faceList) || null; + + // Checking faces + var indices = mesh.indices, + vertices = mesh.vertices, + normals = mesh.faceNormals; + + var from = this.from; + var to = this.to; + var direction = this._direction; + + var minDist = -1; + treeTransform.position.copy(position); + treeTransform.quaternion.copy(quat); + + // Transform ray to local space! + Transform.vectorToLocalFrame(position, quat, direction, localDirection); + //body.vectorToLocalFrame(direction, localDirection); + Transform.pointToLocalFrame(position, quat, from, localFrom); + //body.pointToLocalFrame(from, localFrom); + Transform.pointToLocalFrame(position, quat, to, localTo); + //body.pointToLocalFrame(to, localTo); + var fromToDistanceSquared = localFrom.distanceSquared(localTo); + + mesh.tree.rayQuery(this, treeTransform, triangles); + + for (var i = 0, N = triangles.length; !this.result._shouldStop && i !== N; i++) { + var trianglesIndex = triangles[i]; + + mesh.getNormal(trianglesIndex, normal); + + // determine if ray intersects the plane of the face + // note: this works regardless of the direction of the face normal + + // Get plane point in world coordinates... + mesh.getVertex(indices[trianglesIndex * 3], a); + + // ...but make it relative to the ray from. We'll fix this later. + a.vsub(localFrom,vector); + + // Get plane normal + // quat.vmult(normal, normal); + + // If this dot product is negative, we have something interesting + var dot = localDirection.dot(normal); + + // Bail out if ray and plane are parallel + // if (Math.abs( dot ) < this.precision){ + // continue; + // } + + // calc distance to plane + var scalar = normal.dot(vector) / dot; + + // if negative distance, then plane is behind ray + if (scalar < 0){ + continue; + } + + // Intersection point is from + direction * scalar + localDirection.scale(scalar,intersectPoint); + intersectPoint.vadd(localFrom,intersectPoint); + + // Get triangle vertices + mesh.getVertex(indices[trianglesIndex * 3 + 1], b); + mesh.getVertex(indices[trianglesIndex * 3 + 2], c); + + var squaredDistance = intersectPoint.distanceSquared(localFrom); + + if(!(pointInTriangle(intersectPoint, b, a, c) || pointInTriangle(intersectPoint, a, b, c)) || squaredDistance > fromToDistanceSquared){ + continue; + } + + // transform intersectpoint and normal to world + Transform.vectorToWorldFrame(quat, normal, worldNormal); + //body.vectorToWorldFrame(normal, worldNormal); + Transform.pointToWorldFrame(position, quat, intersectPoint, worldIntersectPoint); + //body.pointToWorldFrame(intersectPoint, worldIntersectPoint); + this.reportIntersection(worldNormal, worldIntersectPoint, mesh, body, trianglesIndex); + } + triangles.length = 0; +}; +Ray.prototype[Shape.types.TRIMESH] = Ray.prototype.intersectTrimesh; + + +/** + * @method reportIntersection + * @private + * @param {Vec3} normal + * @param {Vec3} hitPointWorld + * @param {Shape} shape + * @param {Body} body + * @return {boolean} True if the intersections should continue + */ +Ray.prototype.reportIntersection = function(normal, hitPointWorld, shape, body, hitFaceIndex){ + var from = this.from; + var to = this.to; + var distance = from.distanceTo(hitPointWorld); + var result = this.result; + + // Skip back faces? + if(this.skipBackfaces && normal.dot(this._direction) > 0){ + return; + } + + result.hitFaceIndex = typeof(hitFaceIndex) !== 'undefined' ? hitFaceIndex : -1; + + switch(this.mode){ + case Ray.ALL: + this.hasHit = true; + result.set( + from, + to, + normal, + hitPointWorld, + shape, + body, + distance + ); + result.hasHit = true; + this.callback(result); + break; + + case Ray.CLOSEST: + + // Store if closer than current closest + if(distance < result.distance || !result.hasHit){ + this.hasHit = true; + result.hasHit = true; + result.set( + from, + to, + normal, + hitPointWorld, + shape, + body, + distance + ); + } + break; + + case Ray.ANY: + + // Report and stop. + this.hasHit = true; + result.hasHit = true; + result.set( + from, + to, + normal, + hitPointWorld, + shape, + body, + distance + ); + result._shouldStop = true; + break; + } +}; + +var v0 = new Vec3(), + intersect = new Vec3(); +function distanceFromIntersection(from, direction, position) { + + // v0 is vector from from to position + position.vsub(from,v0); + var dot = v0.dot(direction); + + // intersect = direction*dot + from + direction.mult(dot,intersect); + intersect.vadd(from,intersect); + + var distance = position.distanceTo(intersect); + + return distance; +} + + +},{"../collision/AABB":3,"../collision/RaycastResult":10,"../math/Quaternion":28,"../math/Transform":29,"../math/Vec3":30,"../shapes/Box":37,"../shapes/ConvexPolyhedron":38,"../shapes/Shape":43}],10:[function(_dereq_,module,exports){ +var Vec3 = _dereq_('../math/Vec3'); + +module.exports = RaycastResult; + +/** + * Storage for Ray casting data. + * @class RaycastResult + * @constructor + */ +function RaycastResult(){ + + /** + * @property {Vec3} rayFromWorld + */ + this.rayFromWorld = new Vec3(); + + /** + * @property {Vec3} rayToWorld + */ + this.rayToWorld = new Vec3(); + + /** + * @property {Vec3} hitNormalWorld + */ + this.hitNormalWorld = new Vec3(); + + /** + * @property {Vec3} hitPointWorld + */ + this.hitPointWorld = new Vec3(); + + /** + * @property {boolean} hasHit + */ + this.hasHit = false; + + /** + * The hit shape, or null. + * @property {Shape} shape + */ + this.shape = null; + + /** + * The hit body, or null. + * @property {Body} body + */ + this.body = null; + + /** + * The index of the hit triangle, if the hit shape was a trimesh. + * @property {number} hitFaceIndex + * @default -1 + */ + this.hitFaceIndex = -1; + + /** + * Distance to the hit. Will be set to -1 if there was no hit. + * @property {number} distance + * @default -1 + */ + this.distance = -1; + + /** + * If the ray should stop traversing the bodies. + * @private + * @property {Boolean} _shouldStop + * @default false + */ + this._shouldStop = false; +} + +/** + * Reset all result data. + * @method reset + */ +RaycastResult.prototype.reset = function () { + this.rayFromWorld.setZero(); + this.rayToWorld.setZero(); + this.hitNormalWorld.setZero(); + this.hitPointWorld.setZero(); + this.hasHit = false; + this.shape = null; + this.body = null; + this.hitFaceIndex = -1; + this.distance = -1; + this._shouldStop = false; +}; + +/** + * @method abort + */ +RaycastResult.prototype.abort = function(){ + this._shouldStop = true; +}; + +/** + * @method set + * @param {Vec3} rayFromWorld + * @param {Vec3} rayToWorld + * @param {Vec3} hitNormalWorld + * @param {Vec3} hitPointWorld + * @param {Shape} shape + * @param {Body} body + * @param {number} distance + */ +RaycastResult.prototype.set = function( + rayFromWorld, + rayToWorld, + hitNormalWorld, + hitPointWorld, + shape, + body, + distance +){ + this.rayFromWorld.copy(rayFromWorld); + this.rayToWorld.copy(rayToWorld); + this.hitNormalWorld.copy(hitNormalWorld); + this.hitPointWorld.copy(hitPointWorld); + this.shape = shape; + this.body = body; + this.distance = distance; +}; +},{"../math/Vec3":30}],11:[function(_dereq_,module,exports){ +var Shape = _dereq_('../shapes/Shape'); +var Broadphase = _dereq_('../collision/Broadphase'); + +module.exports = SAPBroadphase; + +/** + * Sweep and prune broadphase along one axis. + * + * @class SAPBroadphase + * @constructor + * @param {World} [world] + * @extends Broadphase + */ +function SAPBroadphase(world){ + Broadphase.apply(this); + + /** + * List of bodies currently in the broadphase. + * @property axisList + * @type {Array} + */ + this.axisList = []; + + /** + * The world to search in. + * @property world + * @type {World} + */ + this.world = null; + + /** + * Axis to sort the bodies along. Set to 0 for x axis, and 1 for y axis. For best performance, choose an axis that the bodies are spread out more on. + * @property axisIndex + * @type {Number} + */ + this.axisIndex = 0; + + var axisList = this.axisList; + + this._addBodyHandler = function(e){ + axisList.push(e.body); + }; + + this._removeBodyHandler = function(e){ + var idx = axisList.indexOf(e.body); + if(idx !== -1){ + axisList.splice(idx,1); + } + }; + + if(world){ + this.setWorld(world); + } +} +SAPBroadphase.prototype = new Broadphase(); + +/** + * Change the world + * @method setWorld + * @param {World} world + */ +SAPBroadphase.prototype.setWorld = function(world){ + // Clear the old axis array + this.axisList.length = 0; + + // Add all bodies from the new world + for(var i=0; i=0;j--) { + if(a[j].aabb.lowerBound.x <= v.aabb.lowerBound.x){ + break; + } + a[j+1] = a[j]; + } + a[j+1] = v; + } + return a; +}; + +/** + * @static + * @method insertionSortY + * @param {Array} a + * @return {Array} + */ +SAPBroadphase.insertionSortY = function(a) { + for(var i=1,l=a.length;i=0;j--) { + if(a[j].aabb.lowerBound.y <= v.aabb.lowerBound.y){ + break; + } + a[j+1] = a[j]; + } + a[j+1] = v; + } + return a; +}; + +/** + * @static + * @method insertionSortZ + * @param {Array} a + * @return {Array} + */ +SAPBroadphase.insertionSortZ = function(a) { + for(var i=1,l=a.length;i=0;j--) { + if(a[j].aabb.lowerBound.z <= v.aabb.lowerBound.z){ + break; + } + a[j+1] = a[j]; + } + a[j+1] = v; + } + return a; +}; + +/** + * Collect all collision pairs + * @method collisionPairs + * @param {World} world + * @param {Array} p1 + * @param {Array} p2 + */ +SAPBroadphase.prototype.collisionPairs = function(world,p1,p2){ + var bodies = this.axisList, + N = bodies.length, + axisIndex = this.axisIndex, + i, j; + + if(this.dirty){ + this.sortList(); + this.dirty = false; + } + + // Look through the list + for(i=0; i !== N; i++){ + var bi = bodies[i]; + + for(j=i+1; j < N; j++){ + var bj = bodies[j]; + + if(!this.needBroadphaseCollision(bi,bj)){ + continue; + } + + if(!SAPBroadphase.checkBounds(bi,bj,axisIndex)){ + break; + } + + this.intersectionTest(bi,bj,p1,p2); + } + } +}; + +SAPBroadphase.prototype.sortList = function(){ + var axisList = this.axisList; + var axisIndex = this.axisIndex; + var N = axisList.length; + + // Update AABBs + for(var i = 0; i!==N; i++){ + var bi = axisList[i]; + if(bi.aabbNeedsUpdate){ + bi.computeAABB(); + } + } + + // Sort the list + if(axisIndex === 0){ + SAPBroadphase.insertionSortX(axisList); + } else if(axisIndex === 1){ + SAPBroadphase.insertionSortY(axisList); + } else if(axisIndex === 2){ + SAPBroadphase.insertionSortZ(axisList); + } +}; + +/** + * Check if the bounds of two bodies overlap, along the given SAP axis. + * @static + * @method checkBounds + * @param {Body} bi + * @param {Body} bj + * @param {Number} axisIndex + * @return {Boolean} + */ +SAPBroadphase.checkBounds = function(bi, bj, axisIndex){ + var biPos; + var bjPos; + + if(axisIndex === 0){ + biPos = bi.position.x; + bjPos = bj.position.x; + } else if(axisIndex === 1){ + biPos = bi.position.y; + bjPos = bj.position.y; + } else if(axisIndex === 2){ + biPos = bi.position.z; + bjPos = bj.position.z; + } + + var ri = bi.boundingRadius, + rj = bj.boundingRadius, + boundA1 = biPos - ri, + boundA2 = biPos + ri, + boundB1 = bjPos - rj, + boundB2 = bjPos + rj; + + return boundB1 < boundA2; +}; + +/** + * Computes the variance of the body positions and estimates the best + * axis to use. Will automatically set property .axisIndex. + * @method autoDetectAxis + */ +SAPBroadphase.prototype.autoDetectAxis = function(){ + var sumX=0, + sumX2=0, + sumY=0, + sumY2=0, + sumZ=0, + sumZ2=0, + bodies = this.axisList, + N = bodies.length, + invN=1/N; + + for(var i=0; i!==N; i++){ + var b = bodies[i]; + + var centerX = b.position.x; + sumX += centerX; + sumX2 += centerX*centerX; + + var centerY = b.position.y; + sumY += centerY; + sumY2 += centerY*centerY; + + var centerZ = b.position.z; + sumZ += centerZ; + sumZ2 += centerZ*centerZ; + } + + var varianceX = sumX2 - sumX*sumX*invN, + varianceY = sumY2 - sumY*sumY*invN, + varianceZ = sumZ2 - sumZ*sumZ*invN; + + if(varianceX > varianceY){ + if(varianceX > varianceZ){ + this.axisIndex = 0; + } else{ + this.axisIndex = 2; + } + } else if(varianceY > varianceZ){ + this.axisIndex = 1; + } else{ + this.axisIndex = 2; + } +}; + +/** + * Returns all the bodies within an AABB. + * @method aabbQuery + * @param {World} world + * @param {AABB} aabb + * @param {array} result An array to store resulting bodies in. + * @return {array} + */ +SAPBroadphase.prototype.aabbQuery = function(world, aabb, result){ + result = result || []; + + if(this.dirty){ + this.sortList(); + this.dirty = false; + } + + var axisIndex = this.axisIndex, axis = 'x'; + if(axisIndex === 1){ axis = 'y'; } + if(axisIndex === 2){ axis = 'z'; } + + var axisList = this.axisList; + var lower = aabb.lowerBound[axis]; + var upper = aabb.upperBound[axis]; + for(var i = 0; i < axisList.length; i++){ + var b = axisList[i]; + + if(b.aabbNeedsUpdate){ + b.computeAABB(); + } + + if(b.aabb.overlaps(aabb)){ + result.push(b); + } + } + + return result; +}; +},{"../collision/Broadphase":5,"../shapes/Shape":43}],12:[function(_dereq_,module,exports){ +module.exports = ConeTwistConstraint; + +var Constraint = _dereq_('./Constraint'); +var PointToPointConstraint = _dereq_('./PointToPointConstraint'); +var ConeEquation = _dereq_('../equations/ConeEquation'); +var RotationalEquation = _dereq_('../equations/RotationalEquation'); +var ContactEquation = _dereq_('../equations/ContactEquation'); +var Vec3 = _dereq_('../math/Vec3'); + +/** + * @class ConeTwistConstraint + * @constructor + * @author schteppe + * @param {Body} bodyA + * @param {Body} bodyB + * @param {object} [options] + * @param {Vec3} [options.pivotA] + * @param {Vec3} [options.pivotB] + * @param {Vec3} [options.axisA] + * @param {Vec3} [options.axisB] + * @param {Number} [options.maxForce=1e6] + * @extends PointToPointConstraint + */ +function ConeTwistConstraint(bodyA, bodyB, options){ + options = options || {}; + var maxForce = typeof(options.maxForce) !== 'undefined' ? options.maxForce : 1e6; + + // Set pivot point in between + var pivotA = options.pivotA ? options.pivotA.clone() : new Vec3(); + var pivotB = options.pivotB ? options.pivotB.clone() : new Vec3(); + this.axisA = options.axisA ? options.axisA.clone() : new Vec3(); + this.axisB = options.axisB ? options.axisB.clone() : new Vec3(); + + PointToPointConstraint.call(this, bodyA, pivotA, bodyB, pivotB, maxForce); + + this.collideConnected = !!options.collideConnected; + + this.angle = typeof(options.angle) !== 'undefined' ? options.angle : 0; + + /** + * @property {ConeEquation} coneEquation + */ + var c = this.coneEquation = new ConeEquation(bodyA,bodyB,options); + + /** + * @property {RotationalEquation} twistEquation + */ + var t = this.twistEquation = new RotationalEquation(bodyA,bodyB,options); + this.twistAngle = typeof(options.twistAngle) !== 'undefined' ? options.twistAngle : 0; + + // Make the cone equation push the bodies toward the cone axis, not outward + c.maxForce = 0; + c.minForce = -maxForce; + + // Make the twist equation add torque toward the initial position + t.maxForce = 0; + t.minForce = -maxForce; + + this.equations.push(c, t); +} +ConeTwistConstraint.prototype = new PointToPointConstraint(); +ConeTwistConstraint.constructor = ConeTwistConstraint; + +var ConeTwistConstraint_update_tmpVec1 = new Vec3(); +var ConeTwistConstraint_update_tmpVec2 = new Vec3(); + +ConeTwistConstraint.prototype.update = function(){ + var bodyA = this.bodyA, + bodyB = this.bodyB, + cone = this.coneEquation, + twist = this.twistEquation; + + PointToPointConstraint.prototype.update.call(this); + + // Update the axes to the cone constraint + bodyA.vectorToWorldFrame(this.axisA, cone.axisA); + bodyB.vectorToWorldFrame(this.axisB, cone.axisB); + + // Update the world axes in the twist constraint + this.axisA.tangents(twist.axisA, twist.axisA); + bodyA.vectorToWorldFrame(twist.axisA, twist.axisA); + + this.axisB.tangents(twist.axisB, twist.axisB); + bodyB.vectorToWorldFrame(twist.axisB, twist.axisB); + + cone.angle = this.angle; + twist.maxAngle = this.twistAngle; +}; + + +},{"../equations/ConeEquation":18,"../equations/ContactEquation":19,"../equations/RotationalEquation":22,"../math/Vec3":30,"./Constraint":13,"./PointToPointConstraint":17}],13:[function(_dereq_,module,exports){ +module.exports = Constraint; + +var Utils = _dereq_('../utils/Utils'); + +/** + * Constraint base class + * @class Constraint + * @author schteppe + * @constructor + * @param {Body} bodyA + * @param {Body} bodyB + * @param {object} [options] + * @param {boolean} [options.collideConnected=true] + * @param {boolean} [options.wakeUpBodies=true] + */ +function Constraint(bodyA, bodyB, options){ + options = Utils.defaults(options,{ + collideConnected : true, + wakeUpBodies : true, + }); + + /** + * Equations to be solved in this constraint + * @property equations + * @type {Array} + */ + this.equations = []; + + /** + * @property {Body} bodyA + */ + this.bodyA = bodyA; + + /** + * @property {Body} bodyB + */ + this.bodyB = bodyB; + + /** + * @property {Number} id + */ + this.id = Constraint.idCounter++; + + /** + * Set to true if you want the bodies to collide when they are connected. + * @property collideConnected + * @type {boolean} + */ + this.collideConnected = options.collideConnected; + + if(options.wakeUpBodies){ + if(bodyA){ + bodyA.wakeUp(); + } + if(bodyB){ + bodyB.wakeUp(); + } + } +} + +/** + * Update all the equations with data. + * @method update + */ +Constraint.prototype.update = function(){ + throw new Error("method update() not implmemented in this Constraint subclass!"); +}; + +/** + * Enables all equations in the constraint. + * @method enable + */ +Constraint.prototype.enable = function(){ + var eqs = this.equations; + for(var i=0; i + // G = [0 axisA 0 -axisB] + + GA.rotational.copy(axisA); + axisB.negate(GB.rotational); + + var GW = this.computeGW() - this.targetVelocity, + GiMf = this.computeGiMf(); + + var B = - GW * b - h * GiMf; + + return B; +}; + +},{"../math/Mat3":27,"../math/Vec3":30,"./Equation":20}],24:[function(_dereq_,module,exports){ +var Utils = _dereq_('../utils/Utils'); + +module.exports = ContactMaterial; + +/** + * Defines what happens when two materials meet. + * @class ContactMaterial + * @constructor + * @param {Material} m1 + * @param {Material} m2 + * @param {object} [options] + * @param {Number} [options.friction=0.3] + * @param {Number} [options.restitution=0.3] + * @param {number} [options.contactEquationStiffness=1e7] + * @param {number} [options.contactEquationRelaxation=3] + * @param {number} [options.frictionEquationStiffness=1e7] + * @param {Number} [options.frictionEquationRelaxation=3] + */ +function ContactMaterial(m1, m2, options){ + options = Utils.defaults(options, { + friction: 0.3, + restitution: 0.3, + contactEquationStiffness: 1e7, + contactEquationRelaxation: 3, + frictionEquationStiffness: 1e7, + frictionEquationRelaxation: 3 + }); + + /** + * Identifier of this material + * @property {Number} id + */ + this.id = ContactMaterial.idCounter++; + + /** + * Participating materials + * @property {Array} materials + * @todo Should be .materialA and .materialB instead + */ + this.materials = [m1, m2]; + + /** + * Friction coefficient + * @property {Number} friction + */ + this.friction = options.friction; + + /** + * Restitution coefficient + * @property {Number} restitution + */ + this.restitution = options.restitution; + + /** + * Stiffness of the produced contact equations + * @property {Number} contactEquationStiffness + */ + this.contactEquationStiffness = options.contactEquationStiffness; + + /** + * Relaxation time of the produced contact equations + * @property {Number} contactEquationRelaxation + */ + this.contactEquationRelaxation = options.contactEquationRelaxation; + + /** + * Stiffness of the produced friction equations + * @property {Number} frictionEquationStiffness + */ + this.frictionEquationStiffness = options.frictionEquationStiffness; + + /** + * Relaxation time of the produced friction equations + * @property {Number} frictionEquationRelaxation + */ + this.frictionEquationRelaxation = options.frictionEquationRelaxation; +} + +ContactMaterial.idCounter = 0; + +},{"../utils/Utils":53}],25:[function(_dereq_,module,exports){ +module.exports = Material; + +/** + * Defines a physics material. + * @class Material + * @constructor + * @param {object} [options] + * @author schteppe + */ +function Material(options){ + var name = ''; + options = options || {}; + + // Backwards compatibility fix + if(typeof(options) === 'string'){ + name = options; + options = {}; + } else if(typeof(options) === 'object') { + name = ''; + } + + /** + * @property name + * @type {String} + */ + this.name = name; + + /** + * material id. + * @property id + * @type {number} + */ + this.id = Material.idCounter++; + + /** + * Friction for this material. If non-negative, it will be used instead of the friction given by ContactMaterials. If there's no matching ContactMaterial, the value from .defaultContactMaterial in the World will be used. + * @property {number} friction + */ + this.friction = typeof(options.friction) !== 'undefined' ? options.friction : -1; + + /** + * Restitution for this material. If non-negative, it will be used instead of the restitution given by ContactMaterials. If there's no matching ContactMaterial, the value from .defaultContactMaterial in the World will be used. + * @property {number} restitution + */ + this.restitution = typeof(options.restitution) !== 'undefined' ? options.restitution : -1; +} + +Material.idCounter = 0; + +},{}],26:[function(_dereq_,module,exports){ +module.exports = JacobianElement; + +var Vec3 = _dereq_('./Vec3'); + +/** + * An element containing 6 entries, 3 spatial and 3 rotational degrees of freedom. + * @class JacobianElement + * @constructor + */ +function JacobianElement(){ + + /** + * @property {Vec3} spatial + */ + this.spatial = new Vec3(); + + /** + * @property {Vec3} rotational + */ + this.rotational = new Vec3(); +} + +/** + * Multiply with other JacobianElement + * @method multiplyElement + * @param {JacobianElement} element + * @return {Number} + */ +JacobianElement.prototype.multiplyElement = function(element){ + return element.spatial.dot(this.spatial) + element.rotational.dot(this.rotational); +}; + +/** + * Multiply with two vectors + * @method multiplyVectors + * @param {Vec3} spatial + * @param {Vec3} rotational + * @return {Number} + */ +JacobianElement.prototype.multiplyVectors = function(spatial,rotational){ + return spatial.dot(this.spatial) + rotational.dot(this.rotational); +}; + +},{"./Vec3":30}],27:[function(_dereq_,module,exports){ +module.exports = Mat3; + +var Vec3 = _dereq_('./Vec3'); + +/** + * A 3x3 matrix. + * @class Mat3 + * @constructor + * @param array elements Array of nine elements. Optional. + * @author schteppe / http://github.com/schteppe + */ +function Mat3(elements){ + /** + * A vector of length 9, containing all matrix elements + * @property {Array} elements + */ + if(elements){ + this.elements = elements; + } else { + this.elements = [0,0,0,0,0,0,0,0,0]; + } +} + +/** + * Sets the matrix to identity + * @method identity + * @todo Should perhaps be renamed to setIdentity() to be more clear. + * @todo Create another function that immediately creates an identity matrix eg. eye() + */ +Mat3.prototype.identity = function(){ + var e = this.elements; + e[0] = 1; + e[1] = 0; + e[2] = 0; + + e[3] = 0; + e[4] = 1; + e[5] = 0; + + e[6] = 0; + e[7] = 0; + e[8] = 1; +}; + +/** + * Set all elements to zero + * @method setZero + */ +Mat3.prototype.setZero = function(){ + var e = this.elements; + e[0] = 0; + e[1] = 0; + e[2] = 0; + e[3] = 0; + e[4] = 0; + e[5] = 0; + e[6] = 0; + e[7] = 0; + e[8] = 0; +}; + +/** + * Sets the matrix diagonal elements from a Vec3 + * @method setTrace + * @param {Vec3} vec3 + */ +Mat3.prototype.setTrace = function(vec3){ + var e = this.elements; + e[0] = vec3.x; + e[4] = vec3.y; + e[8] = vec3.z; +}; + +/** + * Gets the matrix diagonal elements + * @method getTrace + * @return {Vec3} + */ +Mat3.prototype.getTrace = function(target){ + var target = target || new Vec3(); + var e = this.elements; + target.x = e[0]; + target.y = e[4]; + target.z = e[8]; +}; + +/** + * Matrix-Vector multiplication + * @method vmult + * @param {Vec3} v The vector to multiply with + * @param {Vec3} target Optional, target to save the result in. + */ +Mat3.prototype.vmult = function(v,target){ + target = target || new Vec3(); + + var e = this.elements, + x = v.x, + y = v.y, + z = v.z; + target.x = e[0]*x + e[1]*y + e[2]*z; + target.y = e[3]*x + e[4]*y + e[5]*z; + target.z = e[6]*x + e[7]*y + e[8]*z; + + return target; +}; + +/** + * Matrix-scalar multiplication + * @method smult + * @param {Number} s + */ +Mat3.prototype.smult = function(s){ + for(var i=0; i1 acos and sqrt will produce errors, this cant happen if quaternion is normalised + var angle = 2 * Math.acos(this.w); + var s = Math.sqrt(1-this.w*this.w); // assuming quaternion normalised then w is less than 1, so term always positive. + if (s < 0.001) { // test to avoid divide by zero, s is always positive due to sqrt + // if s close to zero then direction of axis not important + targetAxis.x = this.x; // if it is important that axis is normalised then replace with x=1; y=z=0; + targetAxis.y = this.y; + targetAxis.z = this.z; + } else { + targetAxis.x = this.x / s; // normalise axis + targetAxis.y = this.y / s; + targetAxis.z = this.z / s; + } + return [targetAxis,angle]; +}; + +var sfv_t1 = new Vec3(), + sfv_t2 = new Vec3(); + +/** + * Set the quaternion value given two vectors. The resulting rotation will be the needed rotation to rotate u to v. + * @method setFromVectors + * @param {Vec3} u + * @param {Vec3} v + */ +Quaternion.prototype.setFromVectors = function(u,v){ + if(u.isAntiparallelTo(v)){ + var t1 = sfv_t1; + var t2 = sfv_t2; + + u.tangents(t1,t2); + this.setFromAxisAngle(t1,Math.PI); + } else { + var a = u.cross(v); + this.x = a.x; + this.y = a.y; + this.z = a.z; + this.w = Math.sqrt(Math.pow(u.norm(),2) * Math.pow(v.norm(),2)) + u.dot(v); + this.normalize(); + } +}; + +/** + * Quaternion multiplication + * @method mult + * @param {Quaternion} q + * @param {Quaternion} target Optional. + * @return {Quaternion} + */ +var Quaternion_mult_va = new Vec3(); +var Quaternion_mult_vb = new Vec3(); +var Quaternion_mult_vaxvb = new Vec3(); +Quaternion.prototype.mult = function(q,target){ + target = target || new Quaternion(); + var w = this.w, + va = Quaternion_mult_va, + vb = Quaternion_mult_vb, + vaxvb = Quaternion_mult_vaxvb; + + va.set(this.x,this.y,this.z); + vb.set(q.x,q.y,q.z); + target.w = w*q.w - va.dot(vb); + va.cross(vb,vaxvb); + + target.x = w * vb.x + q.w*va.x + vaxvb.x; + target.y = w * vb.y + q.w*va.y + vaxvb.y; + target.z = w * vb.z + q.w*va.z + vaxvb.z; + + return target; +}; + +/** + * Get the inverse quaternion rotation. + * @method inverse + * @param {Quaternion} target + * @return {Quaternion} + */ +Quaternion.prototype.inverse = function(target){ + var x = this.x, y = this.y, z = this.z, w = this.w; + target = target || new Quaternion(); + + this.conjugate(target); + var inorm2 = 1/(x*x + y*y + z*z + w*w); + target.x *= inorm2; + target.y *= inorm2; + target.z *= inorm2; + target.w *= inorm2; + + return target; +}; + +/** + * Get the quaternion conjugate + * @method conjugate + * @param {Quaternion} target + * @return {Quaternion} + */ +Quaternion.prototype.conjugate = function(target){ + target = target || new Quaternion(); + + target.x = -this.x; + target.y = -this.y; + target.z = -this.z; + target.w = this.w; + + return target; +}; + +/** + * Normalize the quaternion. Note that this changes the values of the quaternion. + * @method normalize + */ +Quaternion.prototype.normalize = function(){ + var l = Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w); + if ( l === 0 ) { + this.x = 0; + this.y = 0; + this.z = 0; + this.w = 0; + } else { + l = 1 / l; + this.x *= l; + this.y *= l; + this.z *= l; + this.w *= l; + } +}; + +/** + * Approximation of quaternion normalization. Works best when quat is already almost-normalized. + * @method normalizeFast + * @see http://jsperf.com/fast-quaternion-normalization + * @author unphased, https://github.com/unphased + */ +Quaternion.prototype.normalizeFast = function () { + var f = (3.0-(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w))/2.0; + if ( f === 0 ) { + this.x = 0; + this.y = 0; + this.z = 0; + this.w = 0; + } else { + this.x *= f; + this.y *= f; + this.z *= f; + this.w *= f; + } +}; + +/** + * Multiply the quaternion by a vector + * @method vmult + * @param {Vec3} v + * @param {Vec3} target Optional + * @return {Vec3} + */ +Quaternion.prototype.vmult = function(v,target){ + target = target || new Vec3(); + + var x = v.x, + y = v.y, + z = v.z; + + var qx = this.x, + qy = this.y, + qz = this.z, + qw = this.w; + + // q*v + var ix = qw * x + qy * z - qz * y, + iy = qw * y + qz * x - qx * z, + iz = qw * z + qx * y - qy * x, + iw = -qx * x - qy * y - qz * z; + + target.x = ix * qw + iw * -qx + iy * -qz - iz * -qy; + target.y = iy * qw + iw * -qy + iz * -qx - ix * -qz; + target.z = iz * qw + iw * -qz + ix * -qy - iy * -qx; + + return target; +}; + +/** + * Copies value of source to this quaternion. + * @method copy + * @param {Quaternion} source + * @return {Quaternion} this + */ +Quaternion.prototype.copy = function(source){ + this.x = source.x; + this.y = source.y; + this.z = source.z; + this.w = source.w; + return this; +}; + +/** + * Convert the quaternion to euler angle representation. Order: YZX, as this page describes: http://www.euclideanspace.com/maths/standards/index.htm + * @method toEuler + * @param {Vec3} target + * @param string order Three-character string e.g. "YZX", which also is default. + */ +Quaternion.prototype.toEuler = function(target,order){ + order = order || "YZX"; + + var heading, attitude, bank; + var x = this.x, y = this.y, z = this.z, w = this.w; + + switch(order){ + case "YZX": + var test = x*y + z*w; + if (test > 0.499) { // singularity at north pole + heading = 2 * Math.atan2(x,w); + attitude = Math.PI/2; + bank = 0; + } + if (test < -0.499) { // singularity at south pole + heading = -2 * Math.atan2(x,w); + attitude = - Math.PI/2; + bank = 0; + } + if(isNaN(heading)){ + var sqx = x*x; + var sqy = y*y; + var sqz = z*z; + heading = Math.atan2(2*y*w - 2*x*z , 1 - 2*sqy - 2*sqz); // Heading + attitude = Math.asin(2*test); // attitude + bank = Math.atan2(2*x*w - 2*y*z , 1 - 2*sqx - 2*sqz); // bank + } + break; + default: + throw new Error("Euler order "+order+" not supported yet."); + } + + target.y = heading; + target.z = attitude; + target.x = bank; +}; + +/** + * See http://www.mathworks.com/matlabcentral/fileexchange/20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/content/SpinCalc.m + * @method setFromEuler + * @param {Number} x + * @param {Number} y + * @param {Number} z + * @param {String} order The order to apply angles: 'XYZ' or 'YXZ' or any other combination + */ +Quaternion.prototype.setFromEuler = function ( x, y, z, order ) { + order = order || "XYZ"; + + var c1 = Math.cos( x / 2 ); + var c2 = Math.cos( y / 2 ); + var c3 = Math.cos( z / 2 ); + var s1 = Math.sin( x / 2 ); + var s2 = Math.sin( y / 2 ); + var s3 = Math.sin( z / 2 ); + + if ( order === 'XYZ' ) { + + this.x = s1 * c2 * c3 + c1 * s2 * s3; + this.y = c1 * s2 * c3 - s1 * c2 * s3; + this.z = c1 * c2 * s3 + s1 * s2 * c3; + this.w = c1 * c2 * c3 - s1 * s2 * s3; + + } else if ( order === 'YXZ' ) { + + this.x = s1 * c2 * c3 + c1 * s2 * s3; + this.y = c1 * s2 * c3 - s1 * c2 * s3; + this.z = c1 * c2 * s3 - s1 * s2 * c3; + this.w = c1 * c2 * c3 + s1 * s2 * s3; + + } else if ( order === 'ZXY' ) { + + this.x = s1 * c2 * c3 - c1 * s2 * s3; + this.y = c1 * s2 * c3 + s1 * c2 * s3; + this.z = c1 * c2 * s3 + s1 * s2 * c3; + this.w = c1 * c2 * c3 - s1 * s2 * s3; + + } else if ( order === 'ZYX' ) { + + this.x = s1 * c2 * c3 - c1 * s2 * s3; + this.y = c1 * s2 * c3 + s1 * c2 * s3; + this.z = c1 * c2 * s3 - s1 * s2 * c3; + this.w = c1 * c2 * c3 + s1 * s2 * s3; + + } else if ( order === 'YZX' ) { + + this.x = s1 * c2 * c3 + c1 * s2 * s3; + this.y = c1 * s2 * c3 + s1 * c2 * s3; + this.z = c1 * c2 * s3 - s1 * s2 * c3; + this.w = c1 * c2 * c3 - s1 * s2 * s3; + + } else if ( order === 'XZY' ) { + + this.x = s1 * c2 * c3 - c1 * s2 * s3; + this.y = c1 * s2 * c3 - s1 * c2 * s3; + this.z = c1 * c2 * s3 + s1 * s2 * c3; + this.w = c1 * c2 * c3 + s1 * s2 * s3; + + } + + return this; + +}; + +Quaternion.prototype.clone = function(){ + return new Quaternion(this.x, this.y, this.z, this.w); +}; +},{"./Vec3":30}],29:[function(_dereq_,module,exports){ +var Vec3 = _dereq_('./Vec3'); +var Quaternion = _dereq_('./Quaternion'); + +module.exports = Transform; + +/** + * @class Transform + * @constructor + */ +function Transform(options) { + options = options || {}; + + /** + * @property {Vec3} position + */ + this.position = new Vec3(); + if(options.position){ + this.position.copy(options.position); + } + + /** + * @property {Quaternion} quaternion + */ + this.quaternion = new Quaternion(); + if(options.quaternion){ + this.quaternion.copy(options.quaternion); + } +} + +var tmpQuat = new Quaternion(); + +/** + * @static + * @method pointToLocaFrame + * @param {Vec3} position + * @param {Quaternion} quaternion + * @param {Vec3} worldPoint + * @param {Vec3} result + */ +Transform.pointToLocalFrame = function(position, quaternion, worldPoint, result){ + var result = result || new Vec3(); + worldPoint.vsub(position, result); + quaternion.conjugate(tmpQuat); + tmpQuat.vmult(result, result); + return result; +}; + +/** + * Get a global point in local transform coordinates. + * @method pointToLocal + * @param {Vec3} point + * @param {Vec3} result + * @return {Vec3} The "result" vector object + */ +Transform.prototype.pointToLocal = function(worldPoint, result){ + return Transform.pointToLocalFrame(this.position, this.quaternion, worldPoint, result); +}; + +/** + * @static + * @method pointToWorldFrame + * @param {Vec3} position + * @param {Vec3} quaternion + * @param {Vec3} localPoint + * @param {Vec3} result + */ +Transform.pointToWorldFrame = function(position, quaternion, localPoint, result){ + var result = result || new Vec3(); + quaternion.vmult(localPoint, result); + result.vadd(position, result); + return result; +}; + +/** + * Get a local point in global transform coordinates. + * @method pointToWorld + * @param {Vec3} point + * @param {Vec3} result + * @return {Vec3} The "result" vector object + */ +Transform.prototype.pointToWorld = function(localPoint, result){ + return Transform.pointToWorldFrame(this.position, this.quaternion, localPoint, result); +}; + + +Transform.prototype.vectorToWorldFrame = function(localVector, result){ + var result = result || new Vec3(); + this.quaternion.vmult(localVector, result); + return result; +}; + +Transform.vectorToWorldFrame = function(quaternion, localVector, result){ + quaternion.vmult(localVector, result); + return result; +}; + +Transform.vectorToLocalFrame = function(position, quaternion, worldVector, result){ + var result = result || new Vec3(); + quaternion.w *= -1; + quaternion.vmult(worldVector, result); + quaternion.w *= -1; + return result; +}; + +},{"./Quaternion":28,"./Vec3":30}],30:[function(_dereq_,module,exports){ +module.exports = Vec3; + +var Mat3 = _dereq_('./Mat3'); + +/** + * 3-dimensional vector + * @class Vec3 + * @constructor + * @param {Number} x + * @param {Number} y + * @param {Number} z + * @author schteppe + * @example + * var v = new Vec3(1, 2, 3); + * console.log('x=' + v.x); // x=1 + */ +function Vec3(x,y,z){ + /** + * @property x + * @type {Number} + */ + this.x = x||0.0; + + /** + * @property y + * @type {Number} + */ + this.y = y||0.0; + + /** + * @property z + * @type {Number} + */ + this.z = z||0.0; +} + +/** + * @static + * @property {Vec3} ZERO + */ +Vec3.ZERO = new Vec3(0, 0, 0); + +/** + * @static + * @property {Vec3} UNIT_X + */ +Vec3.UNIT_X = new Vec3(1, 0, 0); + +/** + * @static + * @property {Vec3} UNIT_Y + */ +Vec3.UNIT_Y = new Vec3(0, 1, 0); + +/** + * @static + * @property {Vec3} UNIT_Z + */ +Vec3.UNIT_Z = new Vec3(0, 0, 1); + +/** + * Vector cross product + * @method cross + * @param {Vec3} v + * @param {Vec3} target Optional. Target to save in. + * @return {Vec3} + */ +Vec3.prototype.cross = function(v,target){ + var vx=v.x, vy=v.y, vz=v.z, x=this.x, y=this.y, z=this.z; + target = target || new Vec3(); + + target.x = (y * vz) - (z * vy); + target.y = (z * vx) - (x * vz); + target.z = (x * vy) - (y * vx); + + return target; +}; + +/** + * Set the vectors' 3 elements + * @method set + * @param {Number} x + * @param {Number} y + * @param {Number} z + * @return Vec3 + */ +Vec3.prototype.set = function(x,y,z){ + this.x = x; + this.y = y; + this.z = z; + return this; +}; + +/** + * Set all components of the vector to zero. + * @method setZero + */ +Vec3.prototype.setZero = function(){ + this.x = this.y = this.z = 0; +}; + +/** + * Vector addition + * @method vadd + * @param {Vec3} v + * @param {Vec3} target Optional. + * @return {Vec3} + */ +Vec3.prototype.vadd = function(v,target){ + if(target){ + target.x = v.x + this.x; + target.y = v.y + this.y; + target.z = v.z + this.z; + } else { + return new Vec3(this.x + v.x, + this.y + v.y, + this.z + v.z); + } +}; + +/** + * Vector subtraction + * @method vsub + * @param {Vec3} v + * @param {Vec3} target Optional. Target to save in. + * @return {Vec3} + */ +Vec3.prototype.vsub = function(v,target){ + if(target){ + target.x = this.x - v.x; + target.y = this.y - v.y; + target.z = this.z - v.z; + } else { + return new Vec3(this.x-v.x, + this.y-v.y, + this.z-v.z); + } +}; + +/** + * Get the cross product matrix a_cross from a vector, such that a x b = a_cross * b = c + * @method crossmat + * @see http://www8.cs.umu.se/kurser/TDBD24/VT06/lectures/Lecture6.pdf + * @return {Mat3} + */ +Vec3.prototype.crossmat = function(){ + return new Mat3([ 0, -this.z, this.y, + this.z, 0, -this.x, + -this.y, this.x, 0]); +}; + +/** + * Normalize the vector. Note that this changes the values in the vector. + * @method normalize + * @return {Number} Returns the norm of the vector + */ +Vec3.prototype.normalize = function(){ + var x=this.x, y=this.y, z=this.z; + var n = Math.sqrt(x*x + y*y + z*z); + if(n>0.0){ + var invN = 1/n; + this.x *= invN; + this.y *= invN; + this.z *= invN; + } else { + // Make something up + this.x = 0; + this.y = 0; + this.z = 0; + } + return n; +}; + +/** + * Get the version of this vector that is of length 1. + * @method unit + * @param {Vec3} target Optional target to save in + * @return {Vec3} Returns the unit vector + */ +Vec3.prototype.unit = function(target){ + target = target || new Vec3(); + var x=this.x, y=this.y, z=this.z; + var ninv = Math.sqrt(x*x + y*y + z*z); + if(ninv>0.0){ + ninv = 1.0/ninv; + target.x = x * ninv; + target.y = y * ninv; + target.z = z * ninv; + } else { + target.x = 1; + target.y = 0; + target.z = 0; + } + return target; +}; + +/** + * Get the length of the vector + * @method norm + * @return {Number} + * @deprecated Use .length() instead + */ +Vec3.prototype.norm = function(){ + var x=this.x, y=this.y, z=this.z; + return Math.sqrt(x*x + y*y + z*z); +}; + +/** + * Get the length of the vector + * @method length + * @return {Number} + */ +Vec3.prototype.length = Vec3.prototype.norm; + +/** + * Get the squared length of the vector + * @method norm2 + * @return {Number} + * @deprecated Use .lengthSquared() instead. + */ +Vec3.prototype.norm2 = function(){ + return this.dot(this); +}; + +/** + * Get the squared length of the vector. + * @method lengthSquared + * @return {Number} + */ +Vec3.prototype.lengthSquared = Vec3.prototype.norm2; + +/** + * Get distance from this point to another point + * @method distanceTo + * @param {Vec3} p + * @return {Number} + */ +Vec3.prototype.distanceTo = function(p){ + var x=this.x, y=this.y, z=this.z; + var px=p.x, py=p.y, pz=p.z; + return Math.sqrt((px-x)*(px-x)+ + (py-y)*(py-y)+ + (pz-z)*(pz-z)); +}; + +/** + * Get squared distance from this point to another point + * @method distanceSquared + * @param {Vec3} p + * @return {Number} + */ +Vec3.prototype.distanceSquared = function(p){ + var x=this.x, y=this.y, z=this.z; + var px=p.x, py=p.y, pz=p.z; + return (px-x)*(px-x) + (py-y)*(py-y) + (pz-z)*(pz-z); +}; + +/** + * Multiply all the components of the vector with a scalar. + * @deprecated Use .scale instead + * @method mult + * @param {Number} scalar + * @param {Vec3} target The vector to save the result in. + * @return {Vec3} + * @deprecated Use .scale() instead + */ +Vec3.prototype.mult = function(scalar,target){ + target = target || new Vec3(); + var x = this.x, + y = this.y, + z = this.z; + target.x = scalar * x; + target.y = scalar * y; + target.z = scalar * z; + return target; +}; + +/** + * Multiply the vector with a scalar. + * @method scale + * @param {Number} scalar + * @param {Vec3} target + * @return {Vec3} + */ +Vec3.prototype.scale = Vec3.prototype.mult; + +/** + * Calculate dot product + * @method dot + * @param {Vec3} v + * @return {Number} + */ +Vec3.prototype.dot = function(v){ + return this.x * v.x + this.y * v.y + this.z * v.z; +}; + +/** + * @method isZero + * @return bool + */ +Vec3.prototype.isZero = function(){ + return this.x===0 && this.y===0 && this.z===0; +}; + +/** + * Make the vector point in the opposite direction. + * @method negate + * @param {Vec3} target Optional target to save in + * @return {Vec3} + */ +Vec3.prototype.negate = function(target){ + target = target || new Vec3(); + target.x = -this.x; + target.y = -this.y; + target.z = -this.z; + return target; +}; + +/** + * Compute two artificial tangents to the vector + * @method tangents + * @param {Vec3} t1 Vector object to save the first tangent in + * @param {Vec3} t2 Vector object to save the second tangent in + */ +var Vec3_tangents_n = new Vec3(); +var Vec3_tangents_randVec = new Vec3(); +Vec3.prototype.tangents = function(t1,t2){ + var norm = this.norm(); + if(norm>0.0){ + var n = Vec3_tangents_n; + var inorm = 1/norm; + n.set(this.x*inorm,this.y*inorm,this.z*inorm); + var randVec = Vec3_tangents_randVec; + if(Math.abs(n.x) < 0.9){ + randVec.set(1,0,0); + n.cross(randVec,t1); + } else { + randVec.set(0,1,0); + n.cross(randVec,t1); + } + n.cross(t1,t2); + } else { + // The normal length is zero, make something up + t1.set(1, 0, 0); + t2.set(0, 1, 0); + } +}; + +/** + * Converts to a more readable format + * @method toString + * @return string + */ +Vec3.prototype.toString = function(){ + return this.x+","+this.y+","+this.z; +}; + +/** + * Converts to an array + * @method toArray + * @return Array + */ +Vec3.prototype.toArray = function(){ + return [this.x, this.y, this.z]; +}; + +/** + * Copies value of source to this vector. + * @method copy + * @param {Vec3} source + * @return {Vec3} this + */ +Vec3.prototype.copy = function(source){ + this.x = source.x; + this.y = source.y; + this.z = source.z; + return this; +}; + + +/** + * Do a linear interpolation between two vectors + * @method lerp + * @param {Vec3} v + * @param {Number} t A number between 0 and 1. 0 will make this function return u, and 1 will make it return v. Numbers in between will generate a vector in between them. + * @param {Vec3} target + */ +Vec3.prototype.lerp = function(v,t,target){ + var x=this.x, y=this.y, z=this.z; + target.x = x + (v.x-x)*t; + target.y = y + (v.y-y)*t; + target.z = z + (v.z-z)*t; +}; + +/** + * Check if a vector equals is almost equal to another one. + * @method almostEquals + * @param {Vec3} v + * @param {Number} precision + * @return bool + */ +Vec3.prototype.almostEquals = function(v,precision){ + if(precision===undefined){ + precision = 1e-6; + } + if( Math.abs(this.x-v.x)>precision || + Math.abs(this.y-v.y)>precision || + Math.abs(this.z-v.z)>precision){ + return false; + } + return true; +}; + +/** + * Check if a vector is almost zero + * @method almostZero + * @param {Number} precision + */ +Vec3.prototype.almostZero = function(precision){ + if(precision===undefined){ + precision = 1e-6; + } + if( Math.abs(this.x)>precision || + Math.abs(this.y)>precision || + Math.abs(this.z)>precision){ + return false; + } + return true; +}; + +var antip_neg = new Vec3(); + +/** + * Check if the vector is anti-parallel to another vector. + * @method isAntiparallelTo + * @param {Vec3} v + * @param {Number} precision Set to zero for exact comparisons + * @return {Boolean} + */ +Vec3.prototype.isAntiparallelTo = function(v,precision){ + this.negate(antip_neg); + return antip_neg.almostEquals(v,precision); +}; + +/** + * Clone the vector + * @method clone + * @return {Vec3} + */ +Vec3.prototype.clone = function(){ + return new Vec3(this.x, this.y, this.z); +}; +},{"./Mat3":27}],31:[function(_dereq_,module,exports){ +module.exports = Body; + +var EventTarget = _dereq_('../utils/EventTarget'); +var Shape = _dereq_('../shapes/Shape'); +var Vec3 = _dereq_('../math/Vec3'); +var Mat3 = _dereq_('../math/Mat3'); +var Quaternion = _dereq_('../math/Quaternion'); +var Material = _dereq_('../material/Material'); +var AABB = _dereq_('../collision/AABB'); +var Box = _dereq_('../shapes/Box'); + +/** + * Base class for all body types. + * @class Body + * @constructor + * @extends EventTarget + * @param {object} [options] + * @param {Vec3} [options.position] + * @param {Vec3} [options.velocity] + * @param {Vec3} [options.angularVelocity] + * @param {Quaternion} [options.quaternion] + * @param {number} [options.mass] + * @param {Material} [options.material] + * @param {number} [options.type] + * @param {number} [options.linearDamping=0.01] + * @param {number} [options.angularDamping=0.01] + * @param {boolean} [options.allowSleep=true] + * @param {number} [options.sleepSpeedLimit=0.1] + * @param {number} [options.sleepTimeLimit=1] + * @param {number} [options.collisionFilterGroup=1] + * @param {number} [options.collisionFilterMask=1] + * @param {boolean} [options.fixedRotation=false] + * @param {Body} [options.shape] + * @example + * var body = new Body({ + * mass: 1 + * }); + * var shape = new Sphere(1); + * body.addShape(shape); + * world.add(body); + */ +function Body(options){ + options = options || {}; + + EventTarget.apply(this); + + this.id = Body.idCounter++; + + /** + * Reference to the world the body is living in + * @property world + * @type {World} + */ + this.world = null; + + /** + * Callback function that is used BEFORE stepping the system. Use it to apply forces, for example. Inside the function, "this" will refer to this Body object. + * @property preStep + * @type {Function} + * @deprecated Use World events instead + */ + this.preStep = null; + + /** + * Callback function that is used AFTER stepping the system. Inside the function, "this" will refer to this Body object. + * @property postStep + * @type {Function} + * @deprecated Use World events instead + */ + this.postStep = null; + + this.vlambda = new Vec3(); + + /** + * @property {Number} collisionFilterGroup + */ + this.collisionFilterGroup = typeof(options.collisionFilterGroup) === 'number' ? options.collisionFilterGroup : 1; + + /** + * @property {Number} collisionFilterMask + */ + this.collisionFilterMask = typeof(options.collisionFilterMask) === 'number' ? options.collisionFilterMask : 1; + + /** + * Whether to produce contact forces when in contact with other bodies. Note that contacts will be generated, but they will be disabled. + * @property {Number} collisionResponse + */ + this.collisionResponse = true; + + /** + * @property position + * @type {Vec3} + */ + this.position = new Vec3(); + + if(options.position){ + this.position.copy(options.position); + } + + /** + * @property {Vec3} previousPosition + */ + this.previousPosition = new Vec3(); + + /** + * Initial position of the body + * @property initPosition + * @type {Vec3} + */ + this.initPosition = new Vec3(); + + /** + * @property velocity + * @type {Vec3} + */ + this.velocity = new Vec3(); + + if(options.velocity){ + this.velocity.copy(options.velocity); + } + + /** + * @property initVelocity + * @type {Vec3} + */ + this.initVelocity = new Vec3(); + + /** + * Linear force on the body + * @property force + * @type {Vec3} + */ + this.force = new Vec3(); + + var mass = typeof(options.mass) === 'number' ? options.mass : 0; + + /** + * @property mass + * @type {Number} + * @default 0 + */ + this.mass = mass; + + /** + * @property invMass + * @type {Number} + */ + this.invMass = mass > 0 ? 1.0 / mass : 0; + + /** + * @property material + * @type {Material} + */ + this.material = options.material || null; + + /** + * @property linearDamping + * @type {Number} + */ + this.linearDamping = typeof(options.linearDamping) === 'number' ? options.linearDamping : 0.01; + + /** + * One of: Body.DYNAMIC, Body.STATIC and Body.KINEMATIC. + * @property type + * @type {Number} + */ + this.type = (mass <= 0.0 ? Body.STATIC : Body.DYNAMIC); + if(typeof(options.type) === typeof(Body.STATIC)){ + this.type = options.type; + } + + /** + * If true, the body will automatically fall to sleep. + * @property allowSleep + * @type {Boolean} + * @default true + */ + this.allowSleep = typeof(options.allowSleep) !== 'undefined' ? options.allowSleep : true; + + /** + * Current sleep state. + * @property sleepState + * @type {Number} + */ + this.sleepState = 0; + + /** + * If the speed (the norm of the velocity) is smaller than this value, the body is considered sleepy. + * @property sleepSpeedLimit + * @type {Number} + * @default 0.1 + */ + this.sleepSpeedLimit = typeof(options.sleepSpeedLimit) !== 'undefined' ? options.sleepSpeedLimit : 0.1; + + /** + * If the body has been sleepy for this sleepTimeLimit seconds, it is considered sleeping. + * @property sleepTimeLimit + * @type {Number} + * @default 1 + */ + this.sleepTimeLimit = typeof(options.sleepTimeLimit) !== 'undefined' ? options.sleepTimeLimit : 1; + + this.timeLastSleepy = 0; + + this._wakeUpAfterNarrowphase = false; + + + /** + * Rotational force on the body, around center of mass + * @property {Vec3} torque + */ + this.torque = new Vec3(); + + /** + * Orientation of the body + * @property quaternion + * @type {Quaternion} + */ + this.quaternion = new Quaternion(); + + if(options.quaternion){ + this.quaternion.copy(options.quaternion); + } + + /** + * @property initQuaternion + * @type {Quaternion} + */ + this.initQuaternion = new Quaternion(); + + /** + * @property angularVelocity + * @type {Vec3} + */ + this.angularVelocity = new Vec3(); + + if(options.angularVelocity){ + this.angularVelocity.copy(options.angularVelocity); + } + + /** + * @property initAngularVelocity + * @type {Vec3} + */ + this.initAngularVelocity = new Vec3(); + + this.interpolatedPosition = new Vec3(); + this.interpolatedQuaternion = new Quaternion(); + + /** + * @property shapes + * @type {array} + */ + this.shapes = []; + + /** + * @property shapeOffsets + * @type {array} + */ + this.shapeOffsets = []; + + /** + * @property shapeOrientations + * @type {array} + */ + this.shapeOrientations = []; + + /** + * @property inertia + * @type {Vec3} + */ + this.inertia = new Vec3(); + + /** + * @property {Vec3} invInertia + */ + this.invInertia = new Vec3(); + + /** + * @property {Mat3} invInertiaWorld + */ + this.invInertiaWorld = new Mat3(); + + this.invMassSolve = 0; + + /** + * @property {Vec3} invInertiaSolve + */ + this.invInertiaSolve = new Vec3(); + + /** + * @property {Mat3} invInertiaWorldSolve + */ + this.invInertiaWorldSolve = new Mat3(); + + /** + * Set to true if you don't want the body to rotate. Make sure to run .updateMassProperties() after changing this. + * @property {Boolean} fixedRotation + * @default false + */ + this.fixedRotation = typeof(options.fixedRotation) !== "undefined" ? options.fixedRotation : false; + + /** + * @property {Number} angularDamping + */ + this.angularDamping = typeof(options.angularDamping) !== 'undefined' ? options.angularDamping : 0.01; + + /** + * @property aabb + * @type {AABB} + */ + this.aabb = new AABB(); + + /** + * Indicates if the AABB needs to be updated before use. + * @property aabbNeedsUpdate + * @type {Boolean} + */ + this.aabbNeedsUpdate = true; + + this.wlambda = new Vec3(); + + if(options.shape){ + this.addShape(options.shape); + } + + this.updateMassProperties(); +} +Body.prototype = new EventTarget(); +Body.prototype.constructor = Body; + +/** + * A dynamic body is fully simulated. Can be moved manually by the user, but normally they move according to forces. A dynamic body can collide with all body types. A dynamic body always has finite, non-zero mass. + * @static + * @property DYNAMIC + * @type {Number} + */ +Body.DYNAMIC = 1; + +/** + * A static body does not move during simulation and behaves as if it has infinite mass. Static bodies can be moved manually by setting the position of the body. The velocity of a static body is always zero. Static bodies do not collide with other static or kinematic bodies. + * @static + * @property STATIC + * @type {Number} + */ +Body.STATIC = 2; + +/** + * A kinematic body moves under simulation according to its velocity. They do not respond to forces. They can be moved manually, but normally a kinematic body is moved by setting its velocity. A kinematic body behaves as if it has infinite mass. Kinematic bodies do not collide with other static or kinematic bodies. + * @static + * @property KINEMATIC + * @type {Number} + */ +Body.KINEMATIC = 4; + + + +/** + * @static + * @property AWAKE + * @type {number} + */ +Body.AWAKE = 0; + +/** + * @static + * @property SLEEPY + * @type {number} + */ +Body.SLEEPY = 1; + +/** + * @static + * @property SLEEPING + * @type {number} + */ +Body.SLEEPING = 2; + +Body.idCounter = 0; + +/** + * Wake the body up. + * @method wakeUp + */ +Body.prototype.wakeUp = function(){ + var s = this.sleepState; + this.sleepState = 0; + if(s === Body.SLEEPING){ + this.dispatchEvent({type:"wakeup"}); + } +}; + +/** + * Force body sleep + * @method sleep + */ +Body.prototype.sleep = function(){ + this.sleepState = Body.SLEEPING; + this.velocity.set(0,0,0); + this.angularVelocity.set(0,0,0); +}; + +Body.sleepyEvent = { + type: "sleepy" +}; + +Body.sleepEvent = { + type: "sleep" +}; + +/** + * Called every timestep to update internal sleep timer and change sleep state if needed. + * @method sleepTick + * @param {Number} time The world time in seconds + */ +Body.prototype.sleepTick = function(time){ + if(this.allowSleep){ + var sleepState = this.sleepState; + var speedSquared = this.velocity.norm2() + this.angularVelocity.norm2(); + var speedLimitSquared = Math.pow(this.sleepSpeedLimit,2); + if(sleepState===Body.AWAKE && speedSquared < speedLimitSquared){ + this.sleepState = Body.SLEEPY; // Sleepy + this.timeLastSleepy = time; + this.dispatchEvent(Body.sleepyEvent); + } else if(sleepState===Body.SLEEPY && speedSquared > speedLimitSquared){ + this.wakeUp(); // Wake up + } else if(sleepState===Body.SLEEPY && (time - this.timeLastSleepy ) > this.sleepTimeLimit){ + this.sleep(); // Sleeping + this.dispatchEvent(Body.sleepEvent); + } + } +}; + +/** + * If the body is sleeping, it should be immovable / have infinite mass during solve. We solve it by having a separate "solve mass". + * @method updateSolveMassProperties + */ +Body.prototype.updateSolveMassProperties = function(){ + if(this.sleepState === Body.SLEEPING || this.type === Body.KINEMATIC){ + this.invMassSolve = 0; + this.invInertiaSolve.setZero(); + this.invInertiaWorldSolve.setZero(); + } else { + this.invMassSolve = this.invMass; + this.invInertiaSolve.copy(this.invInertia); + this.invInertiaWorldSolve.copy(this.invInertiaWorld); + } +}; + +/** + * Convert a world point to local body frame. + * @method pointToLocalFrame + * @param {Vec3} worldPoint + * @param {Vec3} result + * @return {Vec3} + */ +Body.prototype.pointToLocalFrame = function(worldPoint,result){ + var result = result || new Vec3(); + worldPoint.vsub(this.position,result); + this.quaternion.conjugate().vmult(result,result); + return result; +}; + +/** + * Convert a world vector to local body frame. + * @method vectorToLocalFrame + * @param {Vec3} worldPoint + * @param {Vec3} result + * @return {Vec3} + */ +Body.prototype.vectorToLocalFrame = function(worldVector, result){ + var result = result || new Vec3(); + this.quaternion.conjugate().vmult(worldVector,result); + return result; +}; + +/** + * Convert a local body point to world frame. + * @method pointToWorldFrame + * @param {Vec3} localPoint + * @param {Vec3} result + * @return {Vec3} + */ +Body.prototype.pointToWorldFrame = function(localPoint,result){ + var result = result || new Vec3(); + this.quaternion.vmult(localPoint,result); + result.vadd(this.position,result); + return result; +}; + +/** + * Convert a local body point to world frame. + * @method vectorToWorldFrame + * @param {Vec3} localVector + * @param {Vec3} result + * @return {Vec3} + */ +Body.prototype.vectorToWorldFrame = function(localVector, result){ + var result = result || new Vec3(); + this.quaternion.vmult(localVector, result); + return result; +}; + +var tmpVec = new Vec3(); +var tmpQuat = new Quaternion(); + +/** + * Add a shape to the body with a local offset and orientation. + * @method addShape + * @param {Shape} shape + * @param {Vec3} offset + * @param {Quaternion} quaternion + * @return {Body} The body object, for chainability. + */ +Body.prototype.addShape = function(shape, _offset, _orientation){ + var offset = new Vec3(); + var orientation = new Quaternion(); + + if(_offset){ + offset.copy(_offset); + } + if(_orientation){ + orientation.copy(_orientation); + } + + this.shapes.push(shape); + this.shapeOffsets.push(offset); + this.shapeOrientations.push(orientation); + this.updateMassProperties(); + this.updateBoundingRadius(); + + this.aabbNeedsUpdate = true; + + return this; +}; + +/** + * Update the bounding radius of the body. Should be done if any of the shapes are changed. + * @method updateBoundingRadius + */ +Body.prototype.updateBoundingRadius = function(){ + var shapes = this.shapes, + shapeOffsets = this.shapeOffsets, + N = shapes.length, + radius = 0; + + for(var i=0; i!==N; i++){ + var shape = shapes[i]; + shape.updateBoundingSphereRadius(); + var offset = shapeOffsets[i].norm(), + r = shape.boundingSphereRadius; + if(offset + r > radius){ + radius = offset + r; + } + } + + this.boundingRadius = radius; +}; + +var computeAABB_shapeAABB = new AABB(); + +/** + * Updates the .aabb + * @method computeAABB + * @todo rename to updateAABB() + */ +Body.prototype.computeAABB = function(){ + var shapes = this.shapes, + shapeOffsets = this.shapeOffsets, + shapeOrientations = this.shapeOrientations, + N = shapes.length, + offset = tmpVec, + orientation = tmpQuat, + bodyQuat = this.quaternion, + aabb = this.aabb, + shapeAABB = computeAABB_shapeAABB; + + for(var i=0; i!==N; i++){ + var shape = shapes[i]; + + // Get shape world quaternion + shapeOrientations[i].mult(bodyQuat, orientation); + + // Get shape world position + orientation.vmult(shapeOffsets[i], offset); + offset.vadd(this.position, offset); + + // vec2.rotate(offset, shapeOffsets[i], bodyAngle); + // vec2.add(offset, offset, this.position); + + // Get shape AABB + shape.calculateWorldAABB(offset, orientation, shapeAABB.lowerBound, shapeAABB.upperBound); + + if(i === 0){ + aabb.copy(shapeAABB); + } else { + aabb.extend(shapeAABB); + } + } + + this.aabbNeedsUpdate = false; +}; + +var uiw_m1 = new Mat3(), + uiw_m2 = new Mat3(), + uiw_m3 = new Mat3(); + +/** + * Update .inertiaWorld and .invInertiaWorld + * @method updateInertiaWorld + */ +Body.prototype.updateInertiaWorld = function(force){ + var I = this.invInertia; + if (I.x === I.y && I.y === I.z && !force) { + // If inertia M = s*I, where I is identity and s a scalar, then + // R*M*R' = R*(s*I)*R' = s*R*I*R' = s*R*R' = s*I = M + // where R is the rotation matrix. + // In other words, we don't have to transform the inertia if all + // inertia diagonal entries are equal. + } else { + var m1 = uiw_m1, + m2 = uiw_m2, + m3 = uiw_m3; + m1.setRotationFromQuaternion(this.quaternion); + m1.transpose(m2); + m1.scale(I,m1); + m1.mmult(m2,this.invInertiaWorld); + //m3.getTrace(this.invInertiaWorld); + } + + /* + this.quaternion.vmult(this.inertia,this.inertiaWorld); + this.quaternion.vmult(this.invInertia,this.invInertiaWorld); + */ +}; + +/** + * Apply force to a world point. This could for example be a point on the Body surface. Applying force this way will add to Body.force and Body.torque. + * @method applyForce + * @param {Vec3} force The amount of force to add. + * @param {Vec3} worldPoint A world point to apply the force on. + */ +var Body_applyForce_r = new Vec3(); +var Body_applyForce_rotForce = new Vec3(); +Body.prototype.applyForce = function(force,worldPoint){ + if(this.type !== Body.DYNAMIC){ + return; + } + + // Compute point position relative to the body center + var r = Body_applyForce_r; + worldPoint.vsub(this.position,r); + + // Compute produced rotational force + var rotForce = Body_applyForce_rotForce; + r.cross(force,rotForce); + + // Add linear force + this.force.vadd(force,this.force); + + // Add rotational force + this.torque.vadd(rotForce,this.torque); +}; + +/** + * Apply force to a local point in the body. + * @method applyLocalForce + * @param {Vec3} force The force vector to apply, defined locally in the body frame. + * @param {Vec3} localPoint A local point in the body to apply the force on. + */ +var Body_applyLocalForce_worldForce = new Vec3(); +var Body_applyLocalForce_worldPoint = new Vec3(); +Body.prototype.applyLocalForce = function(localForce, localPoint){ + if(this.type !== Body.DYNAMIC){ + return; + } + + var worldForce = Body_applyLocalForce_worldForce; + var worldPoint = Body_applyLocalForce_worldPoint; + + // Transform the force vector to world space + this.vectorToWorldFrame(localForce, worldForce); + this.pointToWorldFrame(localPoint, worldPoint); + + this.applyForce(worldForce, worldPoint); +}; + +/** + * Apply impulse to a world point. This could for example be a point on the Body surface. An impulse is a force added to a body during a short period of time (impulse = force * time). Impulses will be added to Body.velocity and Body.angularVelocity. + * @method applyImpulse + * @param {Vec3} impulse The amount of impulse to add. + * @param {Vec3} worldPoint A world point to apply the force on. + */ +var Body_applyImpulse_r = new Vec3(); +var Body_applyImpulse_velo = new Vec3(); +var Body_applyImpulse_rotVelo = new Vec3(); +Body.prototype.applyImpulse = function(impulse, worldPoint){ + if(this.type !== Body.DYNAMIC){ + return; + } + + // Compute point position relative to the body center + var r = Body_applyImpulse_r; + worldPoint.vsub(this.position,r); + + // Compute produced central impulse velocity + var velo = Body_applyImpulse_velo; + velo.copy(impulse); + velo.mult(this.invMass,velo); + + // Add linear impulse + this.velocity.vadd(velo, this.velocity); + + // Compute produced rotational impulse velocity + var rotVelo = Body_applyImpulse_rotVelo; + r.cross(impulse,rotVelo); + + /* + rotVelo.x *= this.invInertia.x; + rotVelo.y *= this.invInertia.y; + rotVelo.z *= this.invInertia.z; + */ + this.invInertiaWorld.vmult(rotVelo,rotVelo); + + // Add rotational Impulse + this.angularVelocity.vadd(rotVelo, this.angularVelocity); +}; + +/** + * Apply locally-defined impulse to a local point in the body. + * @method applyLocalImpulse + * @param {Vec3} force The force vector to apply, defined locally in the body frame. + * @param {Vec3} localPoint A local point in the body to apply the force on. + */ +var Body_applyLocalImpulse_worldImpulse = new Vec3(); +var Body_applyLocalImpulse_worldPoint = new Vec3(); +Body.prototype.applyLocalImpulse = function(localImpulse, localPoint){ + if(this.type !== Body.DYNAMIC){ + return; + } + + var worldImpulse = Body_applyLocalImpulse_worldImpulse; + var worldPoint = Body_applyLocalImpulse_worldPoint; + + // Transform the force vector to world space + this.vectorToWorldFrame(localImpulse, worldImpulse); + this.pointToWorldFrame(localPoint, worldPoint); + + this.applyImpulse(worldImpulse, worldPoint); +}; + +var Body_updateMassProperties_halfExtents = new Vec3(); + +/** + * Should be called whenever you change the body shape or mass. + * @method updateMassProperties + */ +Body.prototype.updateMassProperties = function(){ + var halfExtents = Body_updateMassProperties_halfExtents; + + this.invMass = this.mass > 0 ? 1.0 / this.mass : 0; + var I = this.inertia; + var fixed = this.fixedRotation; + + // Approximate with AABB box + this.computeAABB(); + halfExtents.set( + (this.aabb.upperBound.x-this.aabb.lowerBound.x) / 2, + (this.aabb.upperBound.y-this.aabb.lowerBound.y) / 2, + (this.aabb.upperBound.z-this.aabb.lowerBound.z) / 2 + ); + Box.calculateInertia(halfExtents, this.mass, I); + + this.invInertia.set( + I.x > 0 && !fixed ? 1.0 / I.x : 0, + I.y > 0 && !fixed ? 1.0 / I.y : 0, + I.z > 0 && !fixed ? 1.0 / I.z : 0 + ); + this.updateInertiaWorld(true); +}; + +/** + * Get world velocity of a point in the body. + * @method getVelocityAtWorldPoint + * @param {Vec3} worldPoint + * @param {Vec3} result + * @return {Vec3} The result vector. + */ +Body.prototype.getVelocityAtWorldPoint = function(worldPoint, result){ + var r = new Vec3(); + worldPoint.vsub(this.position, r); + this.angularVelocity.cross(r, result); + this.velocity.vadd(result, result); + return result; +}; + +},{"../collision/AABB":3,"../material/Material":25,"../math/Mat3":27,"../math/Quaternion":28,"../math/Vec3":30,"../shapes/Box":37,"../shapes/Shape":43,"../utils/EventTarget":49}],32:[function(_dereq_,module,exports){ +var Body = _dereq_('./Body'); +var Vec3 = _dereq_('../math/Vec3'); +var Quaternion = _dereq_('../math/Quaternion'); +var RaycastResult = _dereq_('../collision/RaycastResult'); +var Ray = _dereq_('../collision/Ray'); +var WheelInfo = _dereq_('../objects/WheelInfo'); + +module.exports = RaycastVehicle; + +/** + * Vehicle helper class that casts rays from the wheel positions towards the ground and applies forces. + * @class RaycastVehicle + * @constructor + * @param {object} [options] + * @param {Body} [options.chassisBody] The car chassis body. + * @param {integer} [options.indexRightAxis] Axis to use for right. x=0, y=1, z=2 + * @param {integer} [options.indexLeftAxis] + * @param {integer} [options.indexUpAxis] + */ +function RaycastVehicle(options){ + + /** + * @property {Body} chassisBody + */ + this.chassisBody = options.chassisBody; + + /** + * An array of WheelInfo objects. + * @property {array} wheelInfos + */ + this.wheelInfos = []; + + /** + * Will be set to true if the car is sliding. + * @property {boolean} sliding + */ + this.sliding = false; + + /** + * @property {World} world + */ + this.world = null; + + /** + * Index of the right axis, 0=x, 1=y, 2=z + * @property {integer} indexRightAxis + * @default 1 + */ + this.indexRightAxis = typeof(options.indexRightAxis) !== 'undefined' ? options.indexRightAxis : 1; + + /** + * Index of the forward axis, 0=x, 1=y, 2=z + * @property {integer} indexForwardAxis + * @default 0 + */ + this.indexForwardAxis = typeof(options.indexForwardAxis) !== 'undefined' ? options.indexForwardAxis : 0; + + /** + * Index of the up axis, 0=x, 1=y, 2=z + * @property {integer} indexUpAxis + * @default 2 + */ + this.indexUpAxis = typeof(options.indexUpAxis) !== 'undefined' ? options.indexUpAxis : 2; +} + +var tmpVec1 = new Vec3(); +var tmpVec2 = new Vec3(); +var tmpVec3 = new Vec3(); +var tmpVec4 = new Vec3(); +var tmpVec5 = new Vec3(); +var tmpVec6 = new Vec3(); +var tmpRay = new Ray(); + +/** + * Add a wheel. For information about the options, see WheelInfo. + * @method addWheel + * @param {object} [options] + */ +RaycastVehicle.prototype.addWheel = function(options){ + options = options || {}; + + var info = new WheelInfo(options); + var index = this.wheelInfos.length; + this.wheelInfos.push(info); + + return index; +}; + +/** + * Set the steering value of a wheel. + * @method setSteeringValue + * @param {number} value + * @param {integer} wheelIndex + */ +RaycastVehicle.prototype.setSteeringValue = function(value, wheelIndex){ + var wheel = this.wheelInfos[wheelIndex]; + wheel.steering = value; +}; + +var torque = new Vec3(); + +/** + * Set the wheel force to apply on one of the wheels each time step + * @method applyEngineForce + * @param {number} value + * @param {integer} wheelIndex + */ +RaycastVehicle.prototype.applyEngineForce = function(value, wheelIndex){ + this.wheelInfos[wheelIndex].engineForce = value; +}; + +/** + * Set the braking force of a wheel + * @method setBrake + * @param {number} brake + * @param {integer} wheelIndex + */ +RaycastVehicle.prototype.setBrake = function(brake, wheelIndex){ + this.wheelInfos[wheelIndex].brake = brake; +}; + +/** + * Add the vehicle including its constraints to the world. + * @method addToWorld + * @param {World} world + */ +RaycastVehicle.prototype.addToWorld = function(world){ + var constraints = this.constraints; + world.add(this.chassisBody); + var that = this; + this.preStepCallback = function(){ + that.updateVehicle(world.dt); + }; + world.addEventListener('preStep', this.preStepCallback); + this.world = world; +}; + +/** + * Get one of the wheel axles, world-oriented. + * @private + * @method getVehicleAxisWorld + * @param {integer} axisIndex + * @param {Vec3} result + */ +RaycastVehicle.prototype.getVehicleAxisWorld = function(axisIndex, result){ + result.set( + axisIndex === 0 ? 1 : 0, + axisIndex === 1 ? 1 : 0, + axisIndex === 2 ? 1 : 0 + ); + this.chassisBody.vectorToWorldFrame(result, result); +}; + +RaycastVehicle.prototype.updateVehicle = function(timeStep){ + var wheelInfos = this.wheelInfos; + var numWheels = wheelInfos.length; + var chassisBody = this.chassisBody; + + for (var i = 0; i < numWheels; i++) { + this.updateWheelTransform(i); + } + + this.currentVehicleSpeedKmHour = 3.6 * chassisBody.velocity.norm(); + + var forwardWorld = new Vec3(); + this.getVehicleAxisWorld(this.indexForwardAxis, forwardWorld); + + if (forwardWorld.dot(chassisBody.velocity) < 0){ + this.currentVehicleSpeedKmHour *= -1; + } + + // simulate suspension + for (var i = 0; i < numWheels; i++) { + this.castRay(wheelInfos[i]); + } + + this.updateSuspension(timeStep); + + var impulse = new Vec3(); + var relpos = new Vec3(); + for (var i = 0; i < numWheels; i++) { + //apply suspension force + var wheel = wheelInfos[i]; + var suspensionForce = wheel.suspensionForce; + if (suspensionForce > wheel.maxSuspensionForce) { + suspensionForce = wheel.maxSuspensionForce; + } + wheel.raycastResult.hitNormalWorld.scale(suspensionForce * timeStep, impulse); + + wheel.raycastResult.hitPointWorld.vsub(chassisBody.position, relpos); + chassisBody.applyImpulse(impulse, wheel.raycastResult.hitPointWorld/*relpos*/); + } + + this.updateFriction(timeStep); + + var hitNormalWorldScaledWithProj = new Vec3(); + var fwd = new Vec3(); + var vel = new Vec3(); + for (i = 0; i < numWheels; i++) { + var wheel = wheelInfos[i]; + //var relpos = new Vec3(); + //wheel.chassisConnectionPointWorld.vsub(chassisBody.position, relpos); + chassisBody.getVelocityAtWorldPoint(wheel.chassisConnectionPointWorld, vel); + + // Hack to get the rotation in the correct direction + var m = 1; + switch(this.indexUpAxis){ + case 1: + m = -1; + break; + } + + if (wheel.isInContact) { + + this.getVehicleAxisWorld(this.indexForwardAxis, fwd); + var proj = fwd.dot(wheel.raycastResult.hitNormalWorld); + wheel.raycastResult.hitNormalWorld.scale(proj, hitNormalWorldScaledWithProj); + + fwd.vsub(hitNormalWorldScaledWithProj, fwd); + + var proj2 = fwd.dot(vel); + wheel.deltaRotation = m * proj2 * timeStep / wheel.radius; + } + + if((wheel.sliding || !wheel.isInContact) && wheel.engineForce !== 0 && wheel.useCustomSlidingRotationalSpeed){ + // Apply custom rotation when accelerating and sliding + wheel.deltaRotation = (wheel.engineForce > 0 ? 1 : -1) * wheel.customSlidingRotationalSpeed * timeStep; + } + + // Lock wheels + if(Math.abs(wheel.brake) > Math.abs(wheel.engineForce)){ + wheel.deltaRotation = 0; + } + + wheel.rotation += wheel.deltaRotation; // Use the old value + wheel.deltaRotation *= 0.99; // damping of rotation when not in contact + } +}; + +RaycastVehicle.prototype.updateSuspension = function(deltaTime) { + var chassisBody = this.chassisBody; + var chassisMass = chassisBody.mass; + var wheelInfos = this.wheelInfos; + var numWheels = wheelInfos.length; + + for (var w_it = 0; w_it < numWheels; w_it++){ + var wheel = wheelInfos[w_it]; + + if (wheel.isInContact){ + var force; + + // Spring + var susp_length = wheel.suspensionRestLength; + var current_length = wheel.suspensionLength; + var length_diff = (susp_length - current_length); + + force = wheel.suspensionStiffness * length_diff * wheel.clippedInvContactDotSuspension; + + // Damper + var projected_rel_vel = wheel.suspensionRelativeVelocity; + var susp_damping; + if (projected_rel_vel < 0) { + susp_damping = wheel.dampingCompression; + } else { + susp_damping = wheel.dampingRelaxation; + } + force -= susp_damping * projected_rel_vel; + + wheel.suspensionForce = force * chassisMass; + if (wheel.suspensionForce < 0) { + wheel.suspensionForce = 0; + } + } else { + wheel.suspensionForce = 0; + } + } +}; + +/** + * Remove the vehicle including its constraints from the world. + * @method removeFromWorld + * @param {World} world + */ +RaycastVehicle.prototype.removeFromWorld = function(world){ + var constraints = this.constraints; + world.remove(this.chassisBody); + world.removeEventListener('preStep', this.preStepCallback); + this.world = null; +}; + +var castRay_rayvector = new Vec3(); +var castRay_target = new Vec3(); +RaycastVehicle.prototype.castRay = function(wheel) { + var rayvector = castRay_rayvector; + var target = castRay_target; + + this.updateWheelTransformWorld(wheel); + var chassisBody = this.chassisBody; + + var depth = -1; + + var raylen = wheel.suspensionRestLength + wheel.radius; + + wheel.directionWorld.scale(raylen, rayvector); + var source = wheel.chassisConnectionPointWorld; + source.vadd(rayvector, target); + var raycastResult = wheel.raycastResult; + + var param = 0; + + raycastResult.reset(); + // Turn off ray collision with the chassis temporarily + var oldState = chassisBody.collisionResponse; + chassisBody.collisionResponse = false; + + // Cast ray against world + this.world.rayTest(source, target, raycastResult); + chassisBody.collisionResponse = oldState; + + var object = raycastResult.body; + + wheel.raycastResult.groundObject = 0; + + if (object) { + depth = raycastResult.distance; + wheel.raycastResult.hitNormalWorld = raycastResult.hitNormalWorld; + wheel.isInContact = true; + + var hitDistance = raycastResult.distance; + wheel.suspensionLength = hitDistance - wheel.radius; + + // clamp on max suspension travel + var minSuspensionLength = wheel.suspensionRestLength - wheel.maxSuspensionTravel; + var maxSuspensionLength = wheel.suspensionRestLength + wheel.maxSuspensionTravel; + if (wheel.suspensionLength < minSuspensionLength) { + wheel.suspensionLength = minSuspensionLength; + } + if (wheel.suspensionLength > maxSuspensionLength) { + wheel.suspensionLength = maxSuspensionLength; + wheel.raycastResult.reset(); + } + + var denominator = wheel.raycastResult.hitNormalWorld.dot(wheel.directionWorld); + + var chassis_velocity_at_contactPoint = new Vec3(); + chassisBody.getVelocityAtWorldPoint(wheel.raycastResult.hitPointWorld, chassis_velocity_at_contactPoint); + + var projVel = wheel.raycastResult.hitNormalWorld.dot( chassis_velocity_at_contactPoint ); + + if (denominator >= -0.1) { + wheel.suspensionRelativeVelocity = 0; + wheel.clippedInvContactDotSuspension = 1 / 0.1; + } else { + var inv = -1 / denominator; + wheel.suspensionRelativeVelocity = projVel * inv; + wheel.clippedInvContactDotSuspension = inv; + } + + } else { + + //put wheel info as in rest position + wheel.suspensionLength = wheel.suspensionRestLength + 0 * wheel.maxSuspensionTravel; + wheel.suspensionRelativeVelocity = 0.0; + wheel.directionWorld.scale(-1, wheel.raycastResult.hitNormalWorld); + wheel.clippedInvContactDotSuspension = 1.0; + } + + return depth; +}; + +RaycastVehicle.prototype.updateWheelTransformWorld = function(wheel){ + wheel.isInContact = false; + var chassisBody = this.chassisBody; + chassisBody.pointToWorldFrame(wheel.chassisConnectionPointLocal, wheel.chassisConnectionPointWorld); + chassisBody.vectorToWorldFrame(wheel.directionLocal, wheel.directionWorld); + chassisBody.vectorToWorldFrame(wheel.axleLocal, wheel.axleWorld); +}; + + +/** + * Update one of the wheel transform. + * Note when rendering wheels: during each step, wheel transforms are updated BEFORE the chassis; ie. their position becomes invalid after the step. Thus when you render wheels, you must update wheel transforms before rendering them. See raycastVehicle demo for an example. + * @method updateWheelTransform + * @param {integer} wheelIndex The wheel index to update. + */ +RaycastVehicle.prototype.updateWheelTransform = function(wheelIndex){ + var up = tmpVec4; + var right = tmpVec5; + var fwd = tmpVec6; + + var wheel = this.wheelInfos[wheelIndex]; + this.updateWheelTransformWorld(wheel); + + wheel.directionLocal.scale(-1, up); + right.copy(wheel.axleLocal); + up.cross(right, fwd); + fwd.normalize(); + right.normalize(); + + // Rotate around steering over the wheelAxle + var steering = wheel.steering; + var steeringOrn = new Quaternion(); + steeringOrn.setFromAxisAngle(up, steering); + + var rotatingOrn = new Quaternion(); + rotatingOrn.setFromAxisAngle(right, wheel.rotation); + + // World rotation of the wheel + var q = wheel.worldTransform.quaternion; + this.chassisBody.quaternion.mult(steeringOrn, q); + q.mult(rotatingOrn, q); + + q.normalize(); + + // world position of the wheel + var p = wheel.worldTransform.position; + p.copy(wheel.directionWorld); + p.scale(wheel.suspensionLength, p); + p.vadd(wheel.chassisConnectionPointWorld, p); +}; + +var directions = [ + new Vec3(1, 0, 0), + new Vec3(0, 1, 0), + new Vec3(0, 0, 1) +]; + +/** + * Get the world transform of one of the wheels + * @method getWheelTransformWorld + * @param {integer} wheelIndex + * @return {Transform} + */ +RaycastVehicle.prototype.getWheelTransformWorld = function(wheelIndex) { + return this.wheelInfos[wheelIndex].worldTransform; +}; + + +var updateFriction_surfNormalWS_scaled_proj = new Vec3(); +var updateFriction_axle = []; +var updateFriction_forwardWS = []; +var sideFrictionStiffness2 = 1; +RaycastVehicle.prototype.updateFriction = function(timeStep) { + var surfNormalWS_scaled_proj = updateFriction_surfNormalWS_scaled_proj; + + //calculate the impulse, so that the wheels don't move sidewards + var wheelInfos = this.wheelInfos; + var numWheels = wheelInfos.length; + var chassisBody = this.chassisBody; + var forwardWS = updateFriction_forwardWS; + var axle = updateFriction_axle; + + var numWheelsOnGround = 0; + + for (var i = 0; i < numWheels; i++) { + var wheel = wheelInfos[i]; + + var groundObject = wheel.raycastResult.body; + if (groundObject){ + numWheelsOnGround++; + } + + wheel.sideImpulse = 0; + wheel.forwardImpulse = 0; + if(!forwardWS[i]){ + forwardWS[i] = new Vec3(); + } + if(!axle[i]){ + axle[i] = new Vec3(); + } + } + + for (var i = 0; i < numWheels; i++){ + var wheel = wheelInfos[i]; + + var groundObject = wheel.raycastResult.body; + + if (groundObject) { + var axlei = axle[i]; + var wheelTrans = this.getWheelTransformWorld(i); + + // Get world axle + wheelTrans.vectorToWorldFrame(directions[this.indexRightAxis], axlei); + + var surfNormalWS = wheel.raycastResult.hitNormalWorld; + var proj = axlei.dot(surfNormalWS); + surfNormalWS.scale(proj, surfNormalWS_scaled_proj); + axlei.vsub(surfNormalWS_scaled_proj, axlei); + axlei.normalize(); + + surfNormalWS.cross(axlei, forwardWS[i]); + forwardWS[i].normalize(); + + wheel.sideImpulse = resolveSingleBilateral( + chassisBody, + wheel.raycastResult.hitPointWorld, + groundObject, + wheel.raycastResult.hitPointWorld, + axlei + ); + + wheel.sideImpulse *= sideFrictionStiffness2; + } + } + + var sideFactor = 1; + var fwdFactor = 0.5; + + this.sliding = false; + for (var i = 0; i < numWheels; i++) { + var wheel = wheelInfos[i]; + var groundObject = wheel.raycastResult.body; + + var rollingFriction = 0; + + wheel.slipInfo = 1; + if (groundObject) { + var defaultRollingFrictionImpulse = 0; + var maxImpulse = wheel.brake ? wheel.brake : defaultRollingFrictionImpulse; + + // btWheelContactPoint contactPt(chassisBody,groundObject,wheelInfraycastInfo.hitPointWorld,forwardWS[wheel],maxImpulse); + // rollingFriction = calcRollingFriction(contactPt); + rollingFriction = calcRollingFriction(chassisBody, groundObject, wheel.raycastResult.hitPointWorld, forwardWS[i], maxImpulse); + + rollingFriction += wheel.engineForce * timeStep; + + // rollingFriction = 0; + var factor = maxImpulse / rollingFriction; + wheel.slipInfo *= factor; + } + + //switch between active rolling (throttle), braking and non-active rolling friction (nthrottle/break) + + wheel.forwardImpulse = 0; + wheel.skidInfo = 1; + + if (groundObject) { + wheel.skidInfo = 1; + + var maximp = wheel.suspensionForce * timeStep * wheel.frictionSlip; + var maximpSide = maximp; + + var maximpSquared = maximp * maximpSide; + + wheel.forwardImpulse = rollingFriction;//wheelInfo.engineForce* timeStep; + + var x = wheel.forwardImpulse * fwdFactor; + var y = wheel.sideImpulse * sideFactor; + + var impulseSquared = x * x + y * y; + + wheel.sliding = false; + if (impulseSquared > maximpSquared) { + this.sliding = true; + wheel.sliding = true; + + var factor = maximp / Math.sqrt(impulseSquared); + + wheel.skidInfo *= factor; + } + } + } + + if (this.sliding) { + for (var i = 0; i < numWheels; i++) { + var wheel = wheelInfos[i]; + if (wheel.sideImpulse !== 0) { + if (wheel.skidInfo < 1){ + wheel.forwardImpulse *= wheel.skidInfo; + wheel.sideImpulse *= wheel.skidInfo; + } + } + } + } + + // apply the impulses + for (var i = 0; i < numWheels; i++) { + var wheel = wheelInfos[i]; + + var rel_pos = new Vec3(); + //wheel.raycastResult.hitPointWorld.vsub(chassisBody.position, rel_pos); + // cannons applyimpulse is using world coord for the position + rel_pos.copy(wheel.raycastResult.hitPointWorld); + + if (wheel.forwardImpulse !== 0) { + var impulse = new Vec3(); + forwardWS[i].scale(wheel.forwardImpulse, impulse); + chassisBody.applyImpulse(impulse, rel_pos); + } + + if (wheel.sideImpulse !== 0){ + var groundObject = wheel.raycastResult.body; + + var rel_pos2 = new Vec3(); + //wheel.raycastResult.hitPointWorld.vsub(groundObject.position, rel_pos2); + rel_pos2.copy(wheel.raycastResult.hitPointWorld); + var sideImp = new Vec3(); + axle[i].scale(wheel.sideImpulse, sideImp); + + // Scale the relative position in the up direction with rollInfluence. + // If rollInfluence is 1, the impulse will be applied on the hitPoint (easy to roll over), if it is zero it will be applied in the same plane as the center of mass (not easy to roll over). + chassisBody.pointToLocalFrame(rel_pos, rel_pos); + rel_pos['xyz'[this.indexUpAxis]] *= wheel.rollInfluence; + chassisBody.pointToWorldFrame(rel_pos, rel_pos); + chassisBody.applyImpulse(sideImp, rel_pos); + + //apply friction impulse on the ground + sideImp.scale(-1, sideImp); + groundObject.applyImpulse(sideImp, rel_pos2); + } + } +}; + +var calcRollingFriction_vel1 = new Vec3(); +var calcRollingFriction_vel2 = new Vec3(); +var calcRollingFriction_vel = new Vec3(); + +function calcRollingFriction(body0, body1, frictionPosWorld, frictionDirectionWorld, maxImpulse) { + var j1 = 0; + var contactPosWorld = frictionPosWorld; + + // var rel_pos1 = new Vec3(); + // var rel_pos2 = new Vec3(); + var vel1 = calcRollingFriction_vel1; + var vel2 = calcRollingFriction_vel2; + var vel = calcRollingFriction_vel; + // contactPosWorld.vsub(body0.position, rel_pos1); + // contactPosWorld.vsub(body1.position, rel_pos2); + + body0.getVelocityAtWorldPoint(contactPosWorld, vel1); + body1.getVelocityAtWorldPoint(contactPosWorld, vel2); + vel1.vsub(vel2, vel); + + var vrel = frictionDirectionWorld.dot(vel); + + var denom0 = computeImpulseDenominator(body0, frictionPosWorld, frictionDirectionWorld); + var denom1 = computeImpulseDenominator(body1, frictionPosWorld, frictionDirectionWorld); + var relaxation = 1; + var jacDiagABInv = relaxation / (denom0 + denom1); + + // calculate j that moves us to zero relative velocity + j1 = -vrel * jacDiagABInv; + + if (maxImpulse < j1) { + j1 = maxImpulse; + } + if (j1 < -maxImpulse) { + j1 = -maxImpulse; + } + + return j1; +} + +var computeImpulseDenominator_r0 = new Vec3(); +var computeImpulseDenominator_c0 = new Vec3(); +var computeImpulseDenominator_vec = new Vec3(); +var computeImpulseDenominator_m = new Vec3(); +function computeImpulseDenominator(body, pos, normal) { + var r0 = computeImpulseDenominator_r0; + var c0 = computeImpulseDenominator_c0; + var vec = computeImpulseDenominator_vec; + var m = computeImpulseDenominator_m; + + pos.vsub(body.position, r0); + r0.cross(normal, c0); + body.invInertiaWorld.vmult(c0, m); + m.cross(r0, vec); + + return body.invMass + normal.dot(vec); +} + + +var resolveSingleBilateral_vel1 = new Vec3(); +var resolveSingleBilateral_vel2 = new Vec3(); +var resolveSingleBilateral_vel = new Vec3(); + +//bilateral constraint between two dynamic objects +function resolveSingleBilateral(body1, pos1, body2, pos2, normal, impulse){ + var normalLenSqr = normal.norm2(); + if (normalLenSqr > 1.1){ + return 0; // no impulse + } + // var rel_pos1 = new Vec3(); + // var rel_pos2 = new Vec3(); + // pos1.vsub(body1.position, rel_pos1); + // pos2.vsub(body2.position, rel_pos2); + + var vel1 = resolveSingleBilateral_vel1; + var vel2 = resolveSingleBilateral_vel2; + var vel = resolveSingleBilateral_vel; + body1.getVelocityAtWorldPoint(pos1, vel1); + body2.getVelocityAtWorldPoint(pos2, vel2); + + vel1.vsub(vel2, vel); + + var rel_vel = normal.dot(vel); + + var contactDamping = 0.2; + var massTerm = 1 / (body1.invMass + body2.invMass); + var impulse = - contactDamping * rel_vel * massTerm; + + return impulse; +} +},{"../collision/Ray":9,"../collision/RaycastResult":10,"../math/Quaternion":28,"../math/Vec3":30,"../objects/WheelInfo":36,"./Body":31}],33:[function(_dereq_,module,exports){ +var Body = _dereq_('./Body'); +var Sphere = _dereq_('../shapes/Sphere'); +var Box = _dereq_('../shapes/Box'); +var Vec3 = _dereq_('../math/Vec3'); +var HingeConstraint = _dereq_('../constraints/HingeConstraint'); + +module.exports = RigidVehicle; + +/** + * Simple vehicle helper class with spherical rigid body wheels. + * @class RigidVehicle + * @constructor + * @param {Body} [options.chassisBody] + */ +function RigidVehicle(options){ + this.wheelBodies = []; + + /** + * @property coordinateSystem + * @type {Vec3} + */ + this.coordinateSystem = typeof(options.coordinateSystem)==='undefined' ? new Vec3(1, 2, 3) : options.coordinateSystem.clone(); + + /** + * @property {Body} chassisBody + */ + this.chassisBody = options.chassisBody; + + if(!this.chassisBody){ + // No chassis body given. Create it! + var chassisShape = new Box(new Vec3(5, 2, 0.5)); + this.chassisBody = new Body(1, chassisShape); + } + + /** + * @property constraints + * @type {Array} + */ + this.constraints = []; + + this.wheelAxes = []; + this.wheelForces = []; +} + +/** + * Add a wheel + * @method addWheel + * @param {object} options + * @param {boolean} [options.isFrontWheel] + * @param {Vec3} [options.position] Position of the wheel, locally in the chassis body. + * @param {Vec3} [options.direction] Slide direction of the wheel along the suspension. + * @param {Vec3} [options.axis] Axis of rotation of the wheel, locally defined in the chassis. + * @param {Body} [options.body] The wheel body. + */ +RigidVehicle.prototype.addWheel = function(options){ + options = options || {}; + var wheelBody = options.body; + if(!wheelBody){ + wheelBody = new Body(1, new Sphere(1.2)); + } + this.wheelBodies.push(wheelBody); + this.wheelForces.push(0); + + // Position constrain wheels + var zero = new Vec3(); + var position = typeof(options.position) !== 'undefined' ? options.position.clone() : new Vec3(); + + // Set position locally to the chassis + var worldPosition = new Vec3(); + this.chassisBody.pointToWorldFrame(position, worldPosition); + wheelBody.position.set(worldPosition.x, worldPosition.y, worldPosition.z); + + // Constrain wheel + var axis = typeof(options.axis) !== 'undefined' ? options.axis.clone() : new Vec3(0, 1, 0); + this.wheelAxes.push(axis); + + var hingeConstraint = new HingeConstraint(this.chassisBody, wheelBody, { + pivotA: position, + axisA: axis, + pivotB: Vec3.ZERO, + axisB: axis, + collideConnected: false + }); + this.constraints.push(hingeConstraint); + + return this.wheelBodies.length - 1; +}; + +/** + * Set the steering value of a wheel. + * @method setSteeringValue + * @param {number} value + * @param {integer} wheelIndex + * @todo check coordinateSystem + */ +RigidVehicle.prototype.setSteeringValue = function(value, wheelIndex){ + // Set angle of the hinge axis + var axis = this.wheelAxes[wheelIndex]; + + var c = Math.cos(value), + s = Math.sin(value), + x = axis.x, + y = axis.y; + this.constraints[wheelIndex].axisA.set( + c*x -s*y, + s*x +c*y, + 0 + ); +}; + +/** + * Set the target rotational speed of the hinge constraint. + * @method setMotorSpeed + * @param {number} value + * @param {integer} wheelIndex + */ +RigidVehicle.prototype.setMotorSpeed = function(value, wheelIndex){ + var hingeConstraint = this.constraints[wheelIndex]; + hingeConstraint.enableMotor(); + hingeConstraint.motorTargetVelocity = value; +}; + +/** + * Set the target rotational speed of the hinge constraint. + * @method disableMotor + * @param {number} value + * @param {integer} wheelIndex + */ +RigidVehicle.prototype.disableMotor = function(wheelIndex){ + var hingeConstraint = this.constraints[wheelIndex]; + hingeConstraint.disableMotor(); +}; + +var torque = new Vec3(); + +/** + * Set the wheel force to apply on one of the wheels each time step + * @method setWheelForce + * @param {number} value + * @param {integer} wheelIndex + */ +RigidVehicle.prototype.setWheelForce = function(value, wheelIndex){ + this.wheelForces[wheelIndex] = value; +}; + +/** + * Apply a torque on one of the wheels. + * @method applyWheelForce + * @param {number} value + * @param {integer} wheelIndex + */ +RigidVehicle.prototype.applyWheelForce = function(value, wheelIndex){ + var axis = this.wheelAxes[wheelIndex]; + var wheelBody = this.wheelBodies[wheelIndex]; + var bodyTorque = wheelBody.torque; + + axis.scale(value, torque); + wheelBody.vectorToWorldFrame(torque, torque); + bodyTorque.vadd(torque, bodyTorque); +}; + +/** + * Add the vehicle including its constraints to the world. + * @method addToWorld + * @param {World} world + */ +RigidVehicle.prototype.addToWorld = function(world){ + var constraints = this.constraints; + var bodies = this.wheelBodies.concat([this.chassisBody]); + + for (var i = 0; i < bodies.length; i++) { + world.add(bodies[i]); + } + + for (var i = 0; i < constraints.length; i++) { + world.addConstraint(constraints[i]); + } + + world.addEventListener('preStep', this._update.bind(this)); +}; + +RigidVehicle.prototype._update = function(){ + var wheelForces = this.wheelForces; + for (var i = 0; i < wheelForces.length; i++) { + this.applyWheelForce(wheelForces[i], i); + } +}; + +/** + * Remove the vehicle including its constraints from the world. + * @method removeFromWorld + * @param {World} world + */ +RigidVehicle.prototype.removeFromWorld = function(world){ + var constraints = this.constraints; + var bodies = this.wheelBodies.concat([this.chassisBody]); + + for (var i = 0; i < bodies.length; i++) { + world.remove(bodies[i]); + } + + for (var i = 0; i < constraints.length; i++) { + world.removeConstraint(constraints[i]); + } +}; + +var worldAxis = new Vec3(); + +/** + * Get current rotational velocity of a wheel + * @method getWheelSpeed + * @param {integer} wheelIndex + */ +RigidVehicle.prototype.getWheelSpeed = function(wheelIndex){ + var axis = this.wheelAxes[wheelIndex]; + var wheelBody = this.wheelBodies[wheelIndex]; + var w = wheelBody.angularVelocity; + this.chassisBody.vectorToWorldFrame(axis, worldAxis); + return w.dot(worldAxis); +}; + +},{"../constraints/HingeConstraint":15,"../math/Vec3":30,"../shapes/Box":37,"../shapes/Sphere":44,"./Body":31}],34:[function(_dereq_,module,exports){ +module.exports = SPHSystem; + +var Shape = _dereq_('../shapes/Shape'); +var Vec3 = _dereq_('../math/Vec3'); +var Quaternion = _dereq_('../math/Quaternion'); +var Particle = _dereq_('../shapes/Particle'); +var Body = _dereq_('../objects/Body'); +var Material = _dereq_('../material/Material'); + +/** + * Smoothed-particle hydrodynamics system + * @class SPHSystem + * @constructor + */ +function SPHSystem(){ + this.particles = []; + + /** + * Density of the system (kg/m3). + * @property {number} density + */ + this.density = 1; + + /** + * Distance below which two particles are considered to be neighbors. + * It should be adjusted so there are about 15-20 neighbor particles within this radius. + * @property {number} smoothingRadius + */ + this.smoothingRadius = 1; + this.speedOfSound = 1; + + /** + * Viscosity of the system. + * @property {number} viscosity + */ + this.viscosity = 0.01; + this.eps = 0.000001; + + // Stuff Computed per particle + this.pressures = []; + this.densities = []; + this.neighbors = []; +} + +/** + * Add a particle to the system. + * @method add + * @param {Body} particle + */ +SPHSystem.prototype.add = function(particle){ + this.particles.push(particle); + if(this.neighbors.length < this.particles.length){ + this.neighbors.push([]); + } +}; + +/** + * Remove a particle from the system. + * @method remove + * @param {Body} particle + */ +SPHSystem.prototype.remove = function(particle){ + var idx = this.particles.indexOf(particle); + if(idx !== -1){ + this.particles.splice(idx,1); + if(this.neighbors.length > this.particles.length){ + this.neighbors.pop(); + } + } +}; + +/** + * Get neighbors within smoothing volume, save in the array neighbors + * @method getNeighbors + * @param {Body} particle + * @param {Array} neighbors + */ +var SPHSystem_getNeighbors_dist = new Vec3(); +SPHSystem.prototype.getNeighbors = function(particle,neighbors){ + var N = this.particles.length, + id = particle.id, + R2 = this.smoothingRadius * this.smoothingRadius, + dist = SPHSystem_getNeighbors_dist; + for(var i=0; i!==N; i++){ + var p = this.particles[i]; + p.position.vsub(particle.position,dist); + if(id!==p.id && dist.norm2() < R2){ + neighbors.push(p); + } + } +}; + +// Temp vectors for calculation +var SPHSystem_update_dist = new Vec3(), + SPHSystem_update_a_pressure = new Vec3(), + SPHSystem_update_a_visc = new Vec3(), + SPHSystem_update_gradW = new Vec3(), + SPHSystem_update_r_vec = new Vec3(), + SPHSystem_update_u = new Vec3(); // Relative velocity +SPHSystem.prototype.update = function(){ + var N = this.particles.length, + dist = SPHSystem_update_dist, + cs = this.speedOfSound, + eps = this.eps; + + for(var i=0; i!==N; i++){ + var p = this.particles[i]; // Current particle + var neighbors = this.neighbors[i]; + + // Get neighbors + neighbors.length = 0; + this.getNeighbors(p,neighbors); + neighbors.push(this.particles[i]); // Add current too + var numNeighbors = neighbors.length; + + // Accumulate density for the particle + var sum = 0.0; + for(var j=0; j!==numNeighbors; j++){ + + //printf("Current particle has position %f %f %f\n",objects[id].pos.x(),objects[id].pos.y(),objects[id].pos.z()); + p.position.vsub(neighbors[j].position, dist); + var len = dist.norm(); + + var weight = this.w(len); + sum += neighbors[j].mass * weight; + } + + // Save + this.densities[i] = sum; + this.pressures[i] = cs * cs * (this.densities[i] - this.density); + } + + // Add forces + + // Sum to these accelerations + var a_pressure= SPHSystem_update_a_pressure; + var a_visc = SPHSystem_update_a_visc; + var gradW = SPHSystem_update_gradW; + var r_vec = SPHSystem_update_r_vec; + var u = SPHSystem_update_u; + + for(var i=0; i!==N; i++){ + + var particle = this.particles[i]; + + a_pressure.set(0,0,0); + a_visc.set(0,0,0); + + // Init vars + var Pij; + var nabla; + var Vij; + + // Sum up for all other neighbors + var neighbors = this.neighbors[i]; + var numNeighbors = neighbors.length; + + //printf("Neighbors: "); + for(var j=0; j!==numNeighbors; j++){ + + var neighbor = neighbors[j]; + //printf("%d ",nj); + + // Get r once for all.. + particle.position.vsub(neighbor.position,r_vec); + var r = r_vec.norm(); + + // Pressure contribution + Pij = -neighbor.mass * (this.pressures[i] / (this.densities[i]*this.densities[i] + eps) + this.pressures[j] / (this.densities[j]*this.densities[j] + eps)); + this.gradw(r_vec, gradW); + // Add to pressure acceleration + gradW.mult(Pij , gradW); + a_pressure.vadd(gradW, a_pressure); + + // Viscosity contribution + neighbor.velocity.vsub(particle.velocity, u); + u.mult( 1.0 / (0.0001+this.densities[i] * this.densities[j]) * this.viscosity * neighbor.mass , u ); + nabla = this.nablaw(r); + u.mult(nabla,u); + // Add to viscosity acceleration + a_visc.vadd( u, a_visc ); + } + + // Calculate force + a_visc.mult(particle.mass, a_visc); + a_pressure.mult(particle.mass, a_pressure); + + // Add force to particles + particle.force.vadd(a_visc, particle.force); + particle.force.vadd(a_pressure, particle.force); + } +}; + +// Calculate the weight using the W(r) weightfunction +SPHSystem.prototype.w = function(r){ + // 315 + var h = this.smoothingRadius; + return 315.0/(64.0*Math.PI*Math.pow(h,9)) * Math.pow(h*h-r*r,3); +}; + +// calculate gradient of the weight function +SPHSystem.prototype.gradw = function(rVec,resultVec){ + var r = rVec.norm(), + h = this.smoothingRadius; + rVec.mult(945.0/(32.0*Math.PI*Math.pow(h,9)) * Math.pow((h*h-r*r),2) , resultVec); +}; + +// Calculate nabla(W) +SPHSystem.prototype.nablaw = function(r){ + var h = this.smoothingRadius; + var nabla = 945.0/(32.0*Math.PI*Math.pow(h,9)) * (h*h-r*r)*(7*r*r - 3*h*h); + return nabla; +}; + +},{"../material/Material":25,"../math/Quaternion":28,"../math/Vec3":30,"../objects/Body":31,"../shapes/Particle":41,"../shapes/Shape":43}],35:[function(_dereq_,module,exports){ +var Vec3 = _dereq_('../math/Vec3'); + +module.exports = Spring; + +/** + * A spring, connecting two bodies. + * + * @class Spring + * @constructor + * @param {Body} bodyA + * @param {Body} bodyB + * @param {Object} [options] + * @param {number} [options.restLength] A number > 0. Default: 1 + * @param {number} [options.stiffness] A number >= 0. Default: 100 + * @param {number} [options.damping] A number >= 0. Default: 1 + * @param {Vec3} [options.worldAnchorA] Where to hook the spring to body A, in world coordinates. + * @param {Vec3} [options.worldAnchorB] + * @param {Vec3} [options.localAnchorA] Where to hook the spring to body A, in local body coordinates. + * @param {Vec3} [options.localAnchorB] + */ +function Spring(bodyA,bodyB,options){ + options = options || {}; + + /** + * Rest length of the spring. + * @property restLength + * @type {number} + */ + this.restLength = typeof(options.restLength) === "number" ? options.restLength : 1; + + /** + * Stiffness of the spring. + * @property stiffness + * @type {number} + */ + this.stiffness = options.stiffness || 100; + + /** + * Damping of the spring. + * @property damping + * @type {number} + */ + this.damping = options.damping || 1; + + /** + * First connected body. + * @property bodyA + * @type {Body} + */ + this.bodyA = bodyA; + + /** + * Second connected body. + * @property bodyB + * @type {Body} + */ + this.bodyB = bodyB; + + /** + * Anchor for bodyA in local bodyA coordinates. + * @property localAnchorA + * @type {Vec3} + */ + this.localAnchorA = new Vec3(); + + /** + * Anchor for bodyB in local bodyB coordinates. + * @property localAnchorB + * @type {Vec3} + */ + this.localAnchorB = new Vec3(); + + if(options.localAnchorA){ + this.localAnchorA.copy(options.localAnchorA); + } + if(options.localAnchorB){ + this.localAnchorB.copy(options.localAnchorB); + } + if(options.worldAnchorA){ + this.setWorldAnchorA(options.worldAnchorA); + } + if(options.worldAnchorB){ + this.setWorldAnchorB(options.worldAnchorB); + } +} + +/** + * Set the anchor point on body A, using world coordinates. + * @method setWorldAnchorA + * @param {Vec3} worldAnchorA + */ +Spring.prototype.setWorldAnchorA = function(worldAnchorA){ + this.bodyA.pointToLocalFrame(worldAnchorA,this.localAnchorA); +}; + +/** + * Set the anchor point on body B, using world coordinates. + * @method setWorldAnchorB + * @param {Vec3} worldAnchorB + */ +Spring.prototype.setWorldAnchorB = function(worldAnchorB){ + this.bodyB.pointToLocalFrame(worldAnchorB,this.localAnchorB); +}; + +/** + * Get the anchor point on body A, in world coordinates. + * @method getWorldAnchorA + * @param {Vec3} result The vector to store the result in. + */ +Spring.prototype.getWorldAnchorA = function(result){ + this.bodyA.pointToWorldFrame(this.localAnchorA,result); +}; + +/** + * Get the anchor point on body B, in world coordinates. + * @method getWorldAnchorB + * @param {Vec3} result The vector to store the result in. + */ +Spring.prototype.getWorldAnchorB = function(result){ + this.bodyB.pointToWorldFrame(this.localAnchorB,result); +}; + +var applyForce_r = new Vec3(), + applyForce_r_unit = new Vec3(), + applyForce_u = new Vec3(), + applyForce_f = new Vec3(), + applyForce_worldAnchorA = new Vec3(), + applyForce_worldAnchorB = new Vec3(), + applyForce_ri = new Vec3(), + applyForce_rj = new Vec3(), + applyForce_ri_x_f = new Vec3(), + applyForce_rj_x_f = new Vec3(), + applyForce_tmp = new Vec3(); + +/** + * Apply the spring force to the connected bodies. + * @method applyForce + */ +Spring.prototype.applyForce = function(){ + var k = this.stiffness, + d = this.damping, + l = this.restLength, + bodyA = this.bodyA, + bodyB = this.bodyB, + r = applyForce_r, + r_unit = applyForce_r_unit, + u = applyForce_u, + f = applyForce_f, + tmp = applyForce_tmp; + + var worldAnchorA = applyForce_worldAnchorA, + worldAnchorB = applyForce_worldAnchorB, + ri = applyForce_ri, + rj = applyForce_rj, + ri_x_f = applyForce_ri_x_f, + rj_x_f = applyForce_rj_x_f; + + // Get world anchors + this.getWorldAnchorA(worldAnchorA); + this.getWorldAnchorB(worldAnchorB); + + // Get offset points + worldAnchorA.vsub(bodyA.position,ri); + worldAnchorB.vsub(bodyB.position,rj); + + // Compute distance vector between world anchor points + worldAnchorB.vsub(worldAnchorA,r); + var rlen = r.norm(); + r_unit.copy(r); + r_unit.normalize(); + + // Compute relative velocity of the anchor points, u + bodyB.velocity.vsub(bodyA.velocity,u); + // Add rotational velocity + + bodyB.angularVelocity.cross(rj,tmp); + u.vadd(tmp,u); + bodyA.angularVelocity.cross(ri,tmp); + u.vsub(tmp,u); + + // F = - k * ( x - L ) - D * ( u ) + r_unit.mult(-k*(rlen-l) - d*u.dot(r_unit), f); + + // Add forces to bodies + bodyA.force.vsub(f,bodyA.force); + bodyB.force.vadd(f,bodyB.force); + + // Angular force + ri.cross(f,ri_x_f); + rj.cross(f,rj_x_f); + bodyA.torque.vsub(ri_x_f,bodyA.torque); + bodyB.torque.vadd(rj_x_f,bodyB.torque); +}; + +},{"../math/Vec3":30}],36:[function(_dereq_,module,exports){ +var Vec3 = _dereq_('../math/Vec3'); +var Transform = _dereq_('../math/Transform'); +var RaycastResult = _dereq_('../collision/RaycastResult'); +var Utils = _dereq_('../utils/Utils'); + +module.exports = WheelInfo; + +/** + * @class WheelInfo + * @constructor + * @param {Object} [options] + * + * @param {Vec3} [options.chassisConnectionPointLocal] + * @param {Vec3} [options.chassisConnectionPointWorld] + * @param {Vec3} [options.directionLocal] + * @param {Vec3} [options.directionWorld] + * @param {Vec3} [options.axleLocal] + * @param {Vec3} [options.axleWorld] + * @param {number} [options.suspensionRestLength=1] + * @param {number} [options.suspensionMaxLength=2] + * @param {number} [options.radius=1] + * @param {number} [options.suspensionStiffness=100] + * @param {number} [options.dampingCompression=10] + * @param {number} [options.dampingRelaxation=10] + * @param {number} [options.frictionSlip=10000] + * @param {number} [options.steering=0] + * @param {number} [options.rotation=0] + * @param {number} [options.deltaRotation=0] + * @param {number} [options.rollInfluence=0.01] + * @param {number} [options.maxSuspensionForce] + * @param {boolean} [options.isFrontWheel=true] + * @param {number} [options.clippedInvContactDotSuspension=1] + * @param {number} [options.suspensionRelativeVelocity=0] + * @param {number} [options.suspensionForce=0] + * @param {number} [options.skidInfo=0] + * @param {number} [options.suspensionLength=0] + * @param {number} [options.maxSuspensionTravel=1] + * @param {boolean} [options.useCustomSlidingRotationalSpeed=false] + * @param {number} [options.customSlidingRotationalSpeed=-0.1] + */ +function WheelInfo(options){ + options = Utils.defaults(options, { + chassisConnectionPointLocal: new Vec3(), + chassisConnectionPointWorld: new Vec3(), + directionLocal: new Vec3(), + directionWorld: new Vec3(), + axleLocal: new Vec3(), + axleWorld: new Vec3(), + suspensionRestLength: 1, + suspensionMaxLength: 2, + radius: 1, + suspensionStiffness: 100, + dampingCompression: 10, + dampingRelaxation: 10, + frictionSlip: 10000, + steering: 0, + rotation: 0, + deltaRotation: 0, + rollInfluence: 0.01, + maxSuspensionForce: Number.MAX_VALUE, + isFrontWheel: true, + clippedInvContactDotSuspension: 1, + suspensionRelativeVelocity: 0, + suspensionForce: 0, + skidInfo: 0, + suspensionLength: 0, + maxSuspensionTravel: 1, + useCustomSlidingRotationalSpeed: false, + customSlidingRotationalSpeed: -0.1 + }); + + /** + * Max travel distance of the suspension, in meters. + * @property {number} maxSuspensionTravel + */ + this.maxSuspensionTravel = options.maxSuspensionTravel; + + /** + * Speed to apply to the wheel rotation when the wheel is sliding. + * @property {number} customSlidingRotationalSpeed + */ + this.customSlidingRotationalSpeed = options.customSlidingRotationalSpeed; + + /** + * If the customSlidingRotationalSpeed should be used. + * @property {Boolean} useCustomSlidingRotationalSpeed + */ + this.useCustomSlidingRotationalSpeed = options.useCustomSlidingRotationalSpeed; + + /** + * @property {Boolean} sliding + */ + this.sliding = false; + + /** + * Connection point, defined locally in the chassis body frame. + * @property {Vec3} chassisConnectionPointLocal + */ + this.chassisConnectionPointLocal = options.chassisConnectionPointLocal.clone(); + + /** + * @property {Vec3} chassisConnectionPointWorld + */ + this.chassisConnectionPointWorld = options.chassisConnectionPointWorld.clone(); + + /** + * @property {Vec3} directionLocal + */ + this.directionLocal = options.directionLocal.clone(); + + /** + * @property {Vec3} directionWorld + */ + this.directionWorld = options.directionWorld.clone(); + + /** + * @property {Vec3} axleLocal + */ + this.axleLocal = options.axleLocal.clone(); + + /** + * @property {Vec3} axleWorld + */ + this.axleWorld = options.axleWorld.clone(); + + /** + * @property {number} suspensionRestLength + */ + this.suspensionRestLength = options.suspensionRestLength; + + /** + * @property {number} suspensionMaxLength + */ + this.suspensionMaxLength = options.suspensionMaxLength; + + /** + * @property {number} radius + */ + this.radius = options.radius; + + /** + * @property {number} suspensionStiffness + */ + this.suspensionStiffness = options.suspensionStiffness; + + /** + * @property {number} dampingCompression + */ + this.dampingCompression = options.dampingCompression; + + /** + * @property {number} dampingRelaxation + */ + this.dampingRelaxation = options.dampingRelaxation; + + /** + * @property {number} frictionSlip + */ + this.frictionSlip = options.frictionSlip; + + /** + * @property {number} steering + */ + this.steering = 0; + + /** + * Rotation value, in radians. + * @property {number} rotation + */ + this.rotation = 0; + + /** + * @property {number} deltaRotation + */ + this.deltaRotation = 0; + + /** + * @property {number} rollInfluence + */ + this.rollInfluence = options.rollInfluence; + + /** + * @property {number} maxSuspensionForce + */ + this.maxSuspensionForce = options.maxSuspensionForce; + + /** + * @property {number} engineForce + */ + this.engineForce = 0; + + /** + * @property {number} brake + */ + this.brake = 0; + + /** + * @property {number} isFrontWheel + */ + this.isFrontWheel = options.isFrontWheel; + + /** + * @property {number} clippedInvContactDotSuspension + */ + this.clippedInvContactDotSuspension = 1; + + /** + * @property {number} suspensionRelativeVelocity + */ + this.suspensionRelativeVelocity = 0; + + /** + * @property {number} suspensionForce + */ + this.suspensionForce = 0; + + /** + * @property {number} skidInfo + */ + this.skidInfo = 0; + + /** + * @property {number} suspensionLength + */ + this.suspensionLength = 0; + + /** + * @property {number} sideImpulse + */ + this.sideImpulse = 0; + + /** + * @property {number} forwardImpulse + */ + this.forwardImpulse = 0; + + /** + * The result from raycasting + * @property {RaycastResult} raycastResult + */ + this.raycastResult = new RaycastResult(); + + /** + * Wheel world transform + * @property {Transform} worldTransform + */ + this.worldTransform = new Transform(); + + /** + * @property {boolean} isInContact + */ + this.isInContact = false; +} + +var chassis_velocity_at_contactPoint = new Vec3(); +var relpos = new Vec3(); +var chassis_velocity_at_contactPoint = new Vec3(); +WheelInfo.prototype.updateWheel = function(chassis){ + var raycastResult = this.raycastResult; + + if (this.isInContact){ + var project= raycastResult.hitNormalWorld.dot(raycastResult.directionWorld); + raycastResult.hitPointWorld.vsub(chassis.position, relpos); + chassis.getVelocityAtWorldPoint(relpos, chassis_velocity_at_contactPoint); + var projVel = raycastResult.hitNormalWorld.dot( chassis_velocity_at_contactPoint ); + if (project >= -0.1) { + this.suspensionRelativeVelocity = 0.0; + this.clippedInvContactDotSuspension = 1.0 / 0.1; + } else { + var inv = -1 / project; + this.suspensionRelativeVelocity = projVel * inv; + this.clippedInvContactDotSuspension = inv; + } + + } else { + // Not in contact : position wheel in a nice (rest length) position + raycastResult.suspensionLength = this.suspensionRestLength; + this.suspensionRelativeVelocity = 0.0; + raycastResult.directionWorld.scale(-1, raycastResult.hitNormalWorld); + this.clippedInvContactDotSuspension = 1.0; + } +}; +},{"../collision/RaycastResult":10,"../math/Transform":29,"../math/Vec3":30,"../utils/Utils":53}],37:[function(_dereq_,module,exports){ +module.exports = Box; + +var Shape = _dereq_('./Shape'); +var Vec3 = _dereq_('../math/Vec3'); +var ConvexPolyhedron = _dereq_('./ConvexPolyhedron'); + +/** + * A 3d box shape. + * @class Box + * @constructor + * @param {Vec3} halfExtents + * @author schteppe + * @extends Shape + */ +function Box(halfExtents){ + Shape.call(this); + + this.type = Shape.types.BOX; + + /** + * @property halfExtents + * @type {Vec3} + */ + this.halfExtents = halfExtents; + + /** + * Used by the contact generator to make contacts with other convex polyhedra for example + * @property convexPolyhedronRepresentation + * @type {ConvexPolyhedron} + */ + this.convexPolyhedronRepresentation = null; + + this.updateConvexPolyhedronRepresentation(); + this.updateBoundingSphereRadius(); +} +Box.prototype = new Shape(); +Box.prototype.constructor = Box; + +/** + * Updates the local convex polyhedron representation used for some collisions. + * @method updateConvexPolyhedronRepresentation + */ +Box.prototype.updateConvexPolyhedronRepresentation = function(){ + var sx = this.halfExtents.x; + var sy = this.halfExtents.y; + var sz = this.halfExtents.z; + var V = Vec3; + + var vertices = [ + new V(-sx,-sy,-sz), + new V( sx,-sy,-sz), + new V( sx, sy,-sz), + new V(-sx, sy,-sz), + new V(-sx,-sy, sz), + new V( sx,-sy, sz), + new V( sx, sy, sz), + new V(-sx, sy, sz) + ]; + + var indices = [ + [3,2,1,0], // -z + [4,5,6,7], // +z + [5,4,0,1], // -y + [2,3,7,6], // +y + [0,4,7,3], // -x + [1,2,6,5], // +x + ]; + + var axes = [ + new V(0, 0, 1), + new V(0, 1, 0), + new V(1, 0, 0) + ]; + + var h = new ConvexPolyhedron(vertices, indices); + this.convexPolyhedronRepresentation = h; + h.material = this.material; +}; + +/** + * @method calculateLocalInertia + * @param {Number} mass + * @param {Vec3} target + * @return {Vec3} + */ +Box.prototype.calculateLocalInertia = function(mass,target){ + target = target || new Vec3(); + Box.calculateInertia(this.halfExtents, mass, target); + return target; +}; + +Box.calculateInertia = function(halfExtents,mass,target){ + var e = halfExtents; + target.x = 1.0 / 12.0 * mass * ( 2*e.y*2*e.y + 2*e.z*2*e.z ); + target.y = 1.0 / 12.0 * mass * ( 2*e.x*2*e.x + 2*e.z*2*e.z ); + target.z = 1.0 / 12.0 * mass * ( 2*e.y*2*e.y + 2*e.x*2*e.x ); +}; + +/** + * Get the box 6 side normals + * @method getSideNormals + * @param {array} sixTargetVectors An array of 6 vectors, to store the resulting side normals in. + * @param {Quaternion} quat Orientation to apply to the normal vectors. If not provided, the vectors will be in respect to the local frame. + * @return {array} + */ +Box.prototype.getSideNormals = function(sixTargetVectors,quat){ + var sides = sixTargetVectors; + var ex = this.halfExtents; + sides[0].set( ex.x, 0, 0); + sides[1].set( 0, ex.y, 0); + sides[2].set( 0, 0, ex.z); + sides[3].set( -ex.x, 0, 0); + sides[4].set( 0, -ex.y, 0); + sides[5].set( 0, 0, -ex.z); + + if(quat!==undefined){ + for(var i=0; i!==sides.length; i++){ + quat.vmult(sides[i],sides[i]); + } + } + + return sides; +}; + +Box.prototype.volume = function(){ + return 8.0 * this.halfExtents.x * this.halfExtents.y * this.halfExtents.z; +}; + +Box.prototype.updateBoundingSphereRadius = function(){ + this.boundingSphereRadius = this.halfExtents.norm(); +}; + +var worldCornerTempPos = new Vec3(); +var worldCornerTempNeg = new Vec3(); +Box.prototype.forEachWorldCorner = function(pos,quat,callback){ + + var e = this.halfExtents; + var corners = [[ e.x, e.y, e.z], + [ -e.x, e.y, e.z], + [ -e.x, -e.y, e.z], + [ -e.x, -e.y, -e.z], + [ e.x, -e.y, -e.z], + [ e.x, e.y, -e.z], + [ -e.x, e.y, -e.z], + [ e.x, -e.y, e.z]]; + for(var i=0; i max.x){ + max.x = x; + } + if(y > max.y){ + max.y = y; + } + if(z > max.z){ + max.z = z; + } + + if(x < min.x){ + min.x = x; + } + if(y < min.y){ + min.y = y; + } + if(z < min.z){ + min.z = z; + } + } + + // Get each axis max + // min.set(Infinity,Infinity,Infinity); + // max.set(-Infinity,-Infinity,-Infinity); + // this.forEachWorldCorner(pos,quat,function(x,y,z){ + // if(x > max.x){ + // max.x = x; + // } + // if(y > max.y){ + // max.y = y; + // } + // if(z > max.z){ + // max.z = z; + // } + + // if(x < min.x){ + // min.x = x; + // } + // if(y < min.y){ + // min.y = y; + // } + // if(z < min.z){ + // min.z = z; + // } + // }); +}; + +},{"../math/Vec3":30,"./ConvexPolyhedron":38,"./Shape":43}],38:[function(_dereq_,module,exports){ +module.exports = ConvexPolyhedron; + +var Shape = _dereq_('./Shape'); +var Vec3 = _dereq_('../math/Vec3'); +var Quaternion = _dereq_('../math/Quaternion'); +var Transform = _dereq_('../math/Transform'); + +/** + * A set of polygons describing a convex shape. + * @class ConvexPolyhedron + * @constructor + * @extends Shape + * @description The shape MUST be convex for the code to work properly. No polygons may be coplanar (contained + * in the same 3D plane), instead these should be merged into one polygon. + * + * @param {array} points An array of Vec3's + * @param {array} faces Array of integer arrays, describing which vertices that is included in each face. + * + * @author qiao / https://github.com/qiao (original author, see https://github.com/qiao/three.js/commit/85026f0c769e4000148a67d45a9e9b9c5108836f) + * @author schteppe / https://github.com/schteppe + * @see http://www.altdevblogaday.com/2011/05/13/contact-generation-between-3d-convex-meshes/ + * @see http://bullet.googlecode.com/svn/trunk/src/BulletCollision/NarrowPhaseCollision/btPolyhedralContactClipping.cpp + * + * @todo Move the clipping functions to ContactGenerator? + * @todo Automatically merge coplanar polygons in constructor. + */ +function ConvexPolyhedron(points, faces, uniqueAxes) { + var that = this; + Shape.call(this); + this.type = Shape.types.CONVEXPOLYHEDRON; + + /** + * Array of Vec3 + * @property vertices + * @type {Array} + */ + this.vertices = points||[]; + + this.worldVertices = []; // World transformed version of .vertices + this.worldVerticesNeedsUpdate = true; + + /** + * Array of integer arrays, indicating which vertices each face consists of + * @property faces + * @type {Array} + */ + this.faces = faces||[]; + + /** + * Array of Vec3 + * @property faceNormals + * @type {Array} + */ + this.faceNormals = []; + this.computeNormals(); + + this.worldFaceNormalsNeedsUpdate = true; + this.worldFaceNormals = []; // World transformed version of .faceNormals + + /** + * Array of Vec3 + * @property uniqueEdges + * @type {Array} + */ + this.uniqueEdges = []; + + /** + * If given, these locally defined, normalized axes are the only ones being checked when doing separating axis check. + * @property {Array} uniqueAxes + */ + this.uniqueAxes = uniqueAxes ? uniqueAxes.slice() : null; + + this.computeEdges(); + this.updateBoundingSphereRadius(); +} +ConvexPolyhedron.prototype = new Shape(); +ConvexPolyhedron.prototype.constructor = ConvexPolyhedron; + +var computeEdges_tmpEdge = new Vec3(); +/** + * Computes uniqueEdges + * @method computeEdges + */ +ConvexPolyhedron.prototype.computeEdges = function(){ + var faces = this.faces; + var vertices = this.vertices; + var nv = vertices.length; + var edges = this.uniqueEdges; + + edges.length = 0; + + var edge = computeEdges_tmpEdge; + + for(var i=0; i !== faces.length; i++){ + var face = faces[i]; + var numVertices = face.length; + for(var j = 0; j !== numVertices; j++){ + var k = ( j+1 ) % numVertices; + vertices[face[j]].vsub(vertices[face[k]], edge); + edge.normalize(); + var found = false; + for(var p=0; p !== edges.length; p++){ + if (edges[p].almostEquals(edge) || edges[p].almostEquals(edge)){ + found = true; + break; + } + } + + if (!found){ + edges.push(edge.clone()); + } + } + } +}; + +/** + * Compute the normals of the faces. Will reuse existing Vec3 objects in the .faceNormals array if they exist. + * @method computeNormals + */ +ConvexPolyhedron.prototype.computeNormals = function(){ + this.faceNormals.length = this.faces.length; + + // Generate normals + for(var i=0; i dmax){ + dmax = d; + closestFaceB = face; + } + } + var worldVertsB1 = []; + var polyB = hullB.faces[closestFaceB]; + var numVertices = polyB.length; + for(var e0=0; e0=0){ + this.clipFaceAgainstHull(separatingNormal, + posA, + quatA, + worldVertsB1, + minDist, + maxDist, + result); + } +}; + +/** + * Find the separating axis between this hull and another + * @method findSeparatingAxis + * @param {ConvexPolyhedron} hullB + * @param {Vec3} posA + * @param {Quaternion} quatA + * @param {Vec3} posB + * @param {Quaternion} quatB + * @param {Vec3} target The target vector to save the axis in + * @return {bool} Returns false if a separation is found, else true + */ +var fsa_faceANormalWS3 = new Vec3(), + fsa_Worldnormal1 = new Vec3(), + fsa_deltaC = new Vec3(), + fsa_worldEdge0 = new Vec3(), + fsa_worldEdge1 = new Vec3(), + fsa_Cross = new Vec3(); +ConvexPolyhedron.prototype.findSeparatingAxis = function(hullB,posA,quatA,posB,quatB,target, faceListA, faceListB){ + var faceANormalWS3 = fsa_faceANormalWS3, + Worldnormal1 = fsa_Worldnormal1, + deltaC = fsa_deltaC, + worldEdge0 = fsa_worldEdge0, + worldEdge1 = fsa_worldEdge1, + Cross = fsa_Cross; + + var dmin = Number.MAX_VALUE; + var hullA = this; + var curPlaneTests=0; + + if(!hullA.uniqueAxes){ + + var numFacesA = faceListA ? faceListA.length : hullA.faces.length; + + // Test face normals from hullA + for(var i=0; i0.0){ + target.negate(target); + } + + return true; +}; + +var maxminA=[], maxminB=[]; + +/** + * Test separating axis against two hulls. Both hulls are projected onto the axis and the overlap size is returned if there is one. + * @method testSepAxis + * @param {Vec3} axis + * @param {ConvexPolyhedron} hullB + * @param {Vec3} posA + * @param {Quaternion} quatA + * @param {Vec3} posB + * @param {Quaternion} quatB + * @return {number} The overlap depth, or FALSE if no penetration. + */ +ConvexPolyhedron.prototype.testSepAxis = function(axis, hullB, posA, quatA, posB, quatB){ + var hullA=this; + ConvexPolyhedron.project(hullA, axis, posA, quatA, maxminA); + ConvexPolyhedron.project(hullB, axis, posB, quatB, maxminB); + var maxA = maxminA[0]; + var minA = maxminA[1]; + var maxB = maxminB[0]; + var minB = maxminB[1]; + if(maxA= 0, so output intersection + var newv = new Vec3(); + firstVertex.lerp(lastVertex, + n_dot_first / (n_dot_first - n_dot_last), + newv); + outVertices.push(newv); + } + } else { + if(n_dot_last<0){ + // Start >= 0, end < 0 so output intersection and end + var newv = new Vec3(); + firstVertex.lerp(lastVertex, + n_dot_first / (n_dot_first - n_dot_last), + newv); + outVertices.push(newv); + outVertices.push(lastVertex); + } + } + firstVertex = lastVertex; + n_dot_first = n_dot_last; + } + return outVertices; +}; + +// Updates .worldVertices and sets .worldVerticesNeedsUpdate to false. +ConvexPolyhedron.prototype.computeWorldVertices = function(position,quat){ + var N = this.vertices.length; + while(this.worldVertices.length < N){ + this.worldVertices.push( new Vec3() ); + } + + var verts = this.vertices, + worldVerts = this.worldVertices; + for(var i=0; i!==N; i++){ + quat.vmult( verts[i] , worldVerts[i] ); + position.vadd( worldVerts[i] , worldVerts[i] ); + } + + this.worldVerticesNeedsUpdate = false; +}; + +var computeLocalAABB_worldVert = new Vec3(); +ConvexPolyhedron.prototype.computeLocalAABB = function(aabbmin,aabbmax){ + var n = this.vertices.length, + vertices = this.vertices, + worldVert = computeLocalAABB_worldVert; + + aabbmin.set(Number.MAX_VALUE, Number.MAX_VALUE, Number.MAX_VALUE); + aabbmax.set(-Number.MAX_VALUE, -Number.MAX_VALUE, -Number.MAX_VALUE); + + for(var i=0; i aabbmax.x){ + aabbmax.x = v.x; + } + if (v.y < aabbmin.y){ + aabbmin.y = v.y; + } else if(v.y > aabbmax.y){ + aabbmax.y = v.y; + } + if (v.z < aabbmin.z){ + aabbmin.z = v.z; + } else if(v.z > aabbmax.z){ + aabbmax.z = v.z; + } + } +}; + +/** + * Updates .worldVertices and sets .worldVerticesNeedsUpdate to false. + * @method computeWorldFaceNormals + * @param {Quaternion} quat + */ +ConvexPolyhedron.prototype.computeWorldFaceNormals = function(quat){ + var N = this.faceNormals.length; + while(this.worldFaceNormals.length < N){ + this.worldFaceNormals.push( new Vec3() ); + } + + var normals = this.faceNormals, + worldNormals = this.worldFaceNormals; + for(var i=0; i!==N; i++){ + quat.vmult( normals[i] , worldNormals[i] ); + } + + this.worldFaceNormalsNeedsUpdate = false; +}; + +/** + * @method updateBoundingSphereRadius + */ +ConvexPolyhedron.prototype.updateBoundingSphereRadius = function(){ + // Assume points are distributed with local (0,0,0) as center + var max2 = 0; + var verts = this.vertices; + for(var i=0, N=verts.length; i!==N; i++) { + var norm2 = verts[i].norm2(); + if(norm2 > max2){ + max2 = norm2; + } + } + this.boundingSphereRadius = Math.sqrt(max2); +}; + +var tempWorldVertex = new Vec3(); + +/** + * @method calculateWorldAABB + * @param {Vec3} pos + * @param {Quaternion} quat + * @param {Vec3} min + * @param {Vec3} max + */ +ConvexPolyhedron.prototype.calculateWorldAABB = function(pos,quat,min,max){ + var n = this.vertices.length, verts = this.vertices; + var minx,miny,minz,maxx,maxy,maxz; + for(var i=0; i maxx || maxx===undefined){ + maxx = v.x; + } + + if (v.y < miny || miny===undefined){ + miny = v.y; + } else if(v.y > maxy || maxy===undefined){ + maxy = v.y; + } + + if (v.z < minz || minz===undefined){ + minz = v.z; + } else if(v.z > maxz || maxz===undefined){ + maxz = v.z; + } + } + min.set(minx,miny,minz); + max.set(maxx,maxy,maxz); +}; + +/** + * Get approximate convex volume + * @method volume + * @return {Number} + */ +ConvexPolyhedron.prototype.volume = function(){ + return 4.0 * Math.PI * this.boundingSphereRadius / 3.0; +}; + +/** + * Get an average of all the vertices positions + * @method getAveragePointLocal + * @param {Vec3} target + * @return {Vec3} + */ +ConvexPolyhedron.prototype.getAveragePointLocal = function(target){ + target = target || new Vec3(); + var n = this.vertices.length, + verts = this.vertices; + for(var i=0; i0) || (r1>0 && r2<0)){ + return false; // Encountered some other sign. Exit. + } else { + } + } + + // If we got here, all dot products were of the same sign. + return positiveResult ? 1 : -1; +}; + +/** + * Get max and min dot product of a convex hull at position (pos,quat) projected onto an axis. Results are saved in the array maxmin. + * @static + * @method project + * @param {ConvexPolyhedron} hull + * @param {Vec3} axis + * @param {Vec3} pos + * @param {Quaternion} quat + * @param {array} result result[0] and result[1] will be set to maximum and minimum, respectively. + */ +var project_worldVertex = new Vec3(); +var project_localAxis = new Vec3(); +var project_localOrigin = new Vec3(); +ConvexPolyhedron.project = function(hull, axis, pos, quat, result){ + var n = hull.vertices.length, + worldVertex = project_worldVertex, + localAxis = project_localAxis, + max = 0, + min = 0, + localOrigin = project_localOrigin, + vs = hull.vertices; + + localOrigin.setZero(); + + // Transform the axis to local + Transform.vectorToLocalFrame(pos, quat, axis, localAxis); + Transform.pointToLocalFrame(pos, quat, localOrigin, localOrigin); + var add = localOrigin.dot(localAxis); + + min = max = vs[0].dot(localAxis); + + for(var i = 1; i < n; i++){ + var val = vs[i].dot(localAxis); + + if(val > max){ + max = val; + } + + if(val < min){ + min = val; + } + } + + min -= add; + max -= add; + + if(min > max){ + // Inconsistent - swap + var temp = min; + min = max; + max = temp; + } + // Output + result[0] = max; + result[1] = min; +}; + +},{"../math/Quaternion":28,"../math/Transform":29,"../math/Vec3":30,"./Shape":43}],39:[function(_dereq_,module,exports){ +module.exports = Cylinder; + +var Shape = _dereq_('./Shape'); +var Vec3 = _dereq_('../math/Vec3'); +var Quaternion = _dereq_('../math/Quaternion'); +var ConvexPolyhedron = _dereq_('./ConvexPolyhedron'); + +/** + * @class Cylinder + * @constructor + * @extends ConvexPolyhedron + * @author schteppe / https://github.com/schteppe + * @param {Number} radiusTop + * @param {Number} radiusBottom + * @param {Number} height + * @param {Number} numSegments The number of segments to build the cylinder out of + */ +function Cylinder( radiusTop, radiusBottom, height , numSegments ) { + var N = numSegments, + verts = [], + axes = [], + faces = [], + bottomface = [], + topface = [], + cos = Math.cos, + sin = Math.sin; + + // First bottom point + verts.push(new Vec3(radiusBottom*cos(0), + radiusBottom*sin(0), + -height*0.5)); + bottomface.push(0); + + // First top point + verts.push(new Vec3(radiusTop*cos(0), + radiusTop*sin(0), + height*0.5)); + topface.push(1); + + for(var i=0; i { convex: ..., offset: ... } + // for example: + // _cachedPillars["0_2_1"] + this._cachedPillars = {}; +} +Heightfield.prototype = new Shape(); + +/** + * Call whenever you change the data array. + * @method update + */ +Heightfield.prototype.update = function(){ + this._cachedPillars = {}; +}; + +/** + * Update the .minValue property + * @method updateMinValue + */ +Heightfield.prototype.updateMinValue = function(){ + var data = this.data; + var minValue = data[0][0]; + for(var i=0; i !== data.length; i++){ + for(var j=0; j !== data[i].length; j++){ + var v = data[i][j]; + if(v < minValue){ + minValue = v; + } + } + } + this.minValue = minValue; +}; + +/** + * Update the .maxValue property + * @method updateMaxValue + */ +Heightfield.prototype.updateMaxValue = function(){ + var data = this.data; + var maxValue = data[0][0]; + for(var i=0; i !== data.length; i++){ + for(var j=0; j !== data[i].length; j++){ + var v = data[i][j]; + if(v > maxValue){ + maxValue = v; + } + } + } + this.maxValue = maxValue; +}; + +/** + * Set the height value at an index. Don't forget to update maxValue and minValue after you're done. + * @method setHeightValueAtIndex + * @param {integer} xi + * @param {integer} yi + * @param {number} value + */ +Heightfield.prototype.setHeightValueAtIndex = function(xi, yi, value){ + var data = this.data; + data[xi][yi] = value; + + // Invalidate cache + this.clearCachedConvexTrianglePillar(xi, yi, false); + if(xi > 0){ + this.clearCachedConvexTrianglePillar(xi - 1, yi, true); + this.clearCachedConvexTrianglePillar(xi - 1, yi, false); + } + if(yi > 0){ + this.clearCachedConvexTrianglePillar(xi, yi - 1, true); + this.clearCachedConvexTrianglePillar(xi, yi - 1, false); + } + if(yi > 0 && xi > 0){ + this.clearCachedConvexTrianglePillar(xi - 1, yi - 1, true); + } +}; + +/** + * Get max/min in a rectangle in the matrix data + * @method getRectMinMax + * @param {integer} iMinX + * @param {integer} iMinY + * @param {integer} iMaxX + * @param {integer} iMaxY + * @param {array} [result] An array to store the results in. + * @return {array} The result array, if it was passed in. Minimum will be at position 0 and max at 1. + */ +Heightfield.prototype.getRectMinMax = function (iMinX, iMinY, iMaxX, iMaxY, result) { + result = result || []; + + // Get max and min of the data + var data = this.data, + max = this.minValue; // Set first value + for(var i = iMinX; i <= iMaxX; i++){ + for(var j = iMinY; j <= iMaxY; j++){ + var height = data[i][j]; + if(height > max){ + max = height; + } + } + } + + result[0] = this.minValue; + result[1] = max; +}; + +/** + * Get the index of a local position on the heightfield. The indexes indicate the rectangles, so if your terrain is made of N x N height data points, you will have rectangle indexes ranging from 0 to N-1. + * @method getIndexOfPosition + * @param {number} x + * @param {number} y + * @param {array} result Two-element array + * @param {boolean} clamp If the position should be clamped to the heightfield edge. + * @return {boolean} + */ +Heightfield.prototype.getIndexOfPosition = function (x, y, result, clamp) { + + // Get the index of the data points to test against + var w = this.elementSize; + var data = this.data; + var xi = Math.floor(x / w); + var yi = Math.floor(y / w); + + result[0] = xi; + result[1] = yi; + + if(clamp){ + // Clamp index to edges + if(xi < 0){ xi = 0; } + if(yi < 0){ yi = 0; } + if(xi >= data.length - 1){ xi = data.length - 1; } + if(yi >= data[0].length - 1){ yi = data[0].length - 1; } + } + + // Bail out if we are out of the terrain + if(xi < 0 || yi < 0 || xi >= data.length-1 || yi >= data[0].length-1){ + return false; + } + + return true; +}; + +Heightfield.prototype.getHeightAt = function(x, y, edgeClamp){ + var idx = []; + this.getIndexOfPosition(x, y, idx, edgeClamp); + + // TODO: get upper or lower triangle, then use barycentric interpolation to get the height in the triangle. + var minmax = []; + this.getRectMinMax(idx[0], idx[1] + 1, idx[0], idx[1] + 1, minmax); + + return (minmax[0] + minmax[1]) / 2; // average +}; + +Heightfield.prototype.getCacheConvexTrianglePillarKey = function(xi, yi, getUpperTriangle){ + return xi + '_' + yi + '_' + (getUpperTriangle ? 1 : 0); +}; + +Heightfield.prototype.getCachedConvexTrianglePillar = function(xi, yi, getUpperTriangle){ + return this._cachedPillars[this.getCacheConvexTrianglePillarKey(xi, yi, getUpperTriangle)]; +}; + +Heightfield.prototype.setCachedConvexTrianglePillar = function(xi, yi, getUpperTriangle, convex, offset){ + this._cachedPillars[this.getCacheConvexTrianglePillarKey(xi, yi, getUpperTriangle)] = { + convex: convex, + offset: offset + }; +}; + +Heightfield.prototype.clearCachedConvexTrianglePillar = function(xi, yi, getUpperTriangle){ + delete this._cachedPillars[this.getCacheConvexTrianglePillarKey(xi, yi, getUpperTriangle)]; +}; + +/** + * Get a triangle in the terrain in the form of a triangular convex shape. + * @method getConvexTrianglePillar + * @param {integer} i + * @param {integer} j + * @param {boolean} getUpperTriangle + */ +Heightfield.prototype.getConvexTrianglePillar = function(xi, yi, getUpperTriangle){ + var result = this.pillarConvex; + var offsetResult = this.pillarOffset; + + if(this.cacheEnabled){ + var data = this.getCachedConvexTrianglePillar(xi, yi, getUpperTriangle); + if(data){ + this.pillarConvex = data.convex; + this.pillarOffset = data.offset; + return; + } + + result = new ConvexPolyhedron(); + offsetResult = new Vec3(); + + this.pillarConvex = result; + this.pillarOffset = offsetResult; + } + + var data = this.data; + var elementSize = this.elementSize; + var faces = result.faces; + + // Reuse verts if possible + result.vertices.length = 6; + for (var i = 0; i < 6; i++) { + if(!result.vertices[i]){ + result.vertices[i] = new Vec3(); + } + } + + // Reuse faces if possible + faces.length = 5; + for (var i = 0; i < 5; i++) { + if(!faces[i]){ + faces[i] = []; + } + } + + var verts = result.vertices; + + var h = (Math.min( + data[xi][yi], + data[xi+1][yi], + data[xi][yi+1], + data[xi+1][yi+1] + ) - this.minValue ) / 2 + this.minValue; + + if (!getUpperTriangle) { + + // Center of the triangle pillar - all polygons are given relative to this one + offsetResult.set( + (xi + 0.25) * elementSize, // sort of center of a triangle + (yi + 0.25) * elementSize, + h // vertical center + ); + + // Top triangle verts + verts[0].set( + -0.25 * elementSize, + -0.25 * elementSize, + data[xi][yi] - h + ); + verts[1].set( + 0.75 * elementSize, + -0.25 * elementSize, + data[xi + 1][yi] - h + ); + verts[2].set( + -0.25 * elementSize, + 0.75 * elementSize, + data[xi][yi + 1] - h + ); + + // bottom triangle verts + verts[3].set( + -0.25 * elementSize, + -0.25 * elementSize, + -h-1 + ); + verts[4].set( + 0.75 * elementSize, + -0.25 * elementSize, + -h-1 + ); + verts[5].set( + -0.25 * elementSize, + 0.75 * elementSize, + -h-1 + ); + + // top triangle + faces[0][0] = 0; + faces[0][1] = 1; + faces[0][2] = 2; + + // bottom triangle + faces[1][0] = 5; + faces[1][1] = 4; + faces[1][2] = 3; + + // -x facing quad + faces[2][0] = 0; + faces[2][1] = 2; + faces[2][2] = 5; + faces[2][3] = 3; + + // -y facing quad + faces[3][0] = 1; + faces[3][1] = 0; + faces[3][2] = 3; + faces[3][3] = 4; + + // +xy facing quad + faces[4][0] = 4; + faces[4][1] = 5; + faces[4][2] = 2; + faces[4][3] = 1; + + + } else { + + // Center of the triangle pillar - all polygons are given relative to this one + offsetResult.set( + (xi + 0.75) * elementSize, // sort of center of a triangle + (yi + 0.75) * elementSize, + h // vertical center + ); + + // Top triangle verts + verts[0].set( + 0.25 * elementSize, + 0.25 * elementSize, + data[xi + 1][yi + 1] - h + ); + verts[1].set( + -0.75 * elementSize, + 0.25 * elementSize, + data[xi][yi + 1] - h + ); + verts[2].set( + 0.25 * elementSize, + -0.75 * elementSize, + data[xi + 1][yi] - h + ); + + // bottom triangle verts + verts[3].set( + 0.25 * elementSize, + 0.25 * elementSize, + - h-1 + ); + verts[4].set( + -0.75 * elementSize, + 0.25 * elementSize, + - h-1 + ); + verts[5].set( + 0.25 * elementSize, + -0.75 * elementSize, + - h-1 + ); + + // Top triangle + faces[0][0] = 0; + faces[0][1] = 1; + faces[0][2] = 2; + + // bottom triangle + faces[1][0] = 5; + faces[1][1] = 4; + faces[1][2] = 3; + + // +x facing quad + faces[2][0] = 2; + faces[2][1] = 5; + faces[2][2] = 3; + faces[2][3] = 0; + + // +y facing quad + faces[3][0] = 3; + faces[3][1] = 4; + faces[3][2] = 1; + faces[3][3] = 0; + + // -xy facing quad + faces[4][0] = 1; + faces[4][1] = 4; + faces[4][2] = 5; + faces[4][3] = 2; + } + + result.computeNormals(); + result.computeEdges(); + result.updateBoundingSphereRadius(); + + this.setCachedConvexTrianglePillar(xi, yi, getUpperTriangle, result, offsetResult); +}; + +Heightfield.prototype.calculateLocalInertia = function(mass, target){ + target = target || new Vec3(); + target.set(0, 0, 0); + return target; +}; + +Heightfield.prototype.volume = function(){ + return Number.MAX_VALUE; // The terrain is infinite +}; + +Heightfield.prototype.calculateWorldAABB = function(pos, quat, min, max){ + // TODO: do it properly + min.set(-Number.MAX_VALUE, -Number.MAX_VALUE, -Number.MAX_VALUE); + max.set(Number.MAX_VALUE, Number.MAX_VALUE, Number.MAX_VALUE); +}; + +Heightfield.prototype.updateBoundingSphereRadius = function(){ + // Use the bounding box of the min/max values + var data = this.data, + s = this.elementSize; + this.boundingSphereRadius = new Vec3(data.length * s, data[0].length * s, Math.max(Math.abs(this.maxValue), Math.abs(this.minValue))).norm(); +}; + +},{"../math/Vec3":30,"../utils/Utils":53,"./ConvexPolyhedron":38,"./Shape":43}],41:[function(_dereq_,module,exports){ +module.exports = Particle; + +var Shape = _dereq_('./Shape'); +var Vec3 = _dereq_('../math/Vec3'); + +/** + * Particle shape. + * @class Particle + * @constructor + * @author schteppe + * @extends Shape + */ +function Particle(){ + Shape.call(this); + + this.type = Shape.types.PARTICLE; +} +Particle.prototype = new Shape(); +Particle.prototype.constructor = Particle; + +/** + * @method calculateLocalInertia + * @param {Number} mass + * @param {Vec3} target + * @return {Vec3} + */ +Particle.prototype.calculateLocalInertia = function(mass,target){ + target = target || new Vec3(); + target.set(0, 0, 0); + return target; +}; + +Particle.prototype.volume = function(){ + return 0; +}; + +Particle.prototype.updateBoundingSphereRadius = function(){ + this.boundingSphereRadius = 0; +}; + +Particle.prototype.calculateWorldAABB = function(pos,quat,min,max){ + // Get each axis max + min.copy(pos); + max.copy(pos); +}; + +},{"../math/Vec3":30,"./Shape":43}],42:[function(_dereq_,module,exports){ +module.exports = Plane; + +var Shape = _dereq_('./Shape'); +var Vec3 = _dereq_('../math/Vec3'); + +/** + * A plane, facing in the Z direction. The plane has its surface at z=0 and everything below z=0 is assumed to be solid plane. To make the plane face in some other direction than z, you must put it inside a RigidBody and rotate that body. See the demos. + * @class Plane + * @constructor + * @extends Shape + * @author schteppe + */ +function Plane(){ + Shape.call(this); + this.type = Shape.types.PLANE; + + // World oriented normal + this.worldNormal = new Vec3(); + this.worldNormalNeedsUpdate = true; + + this.boundingSphereRadius = Number.MAX_VALUE; +} +Plane.prototype = new Shape(); +Plane.prototype.constructor = Plane; + +Plane.prototype.computeWorldNormal = function(quat){ + var n = this.worldNormal; + n.set(0,0,1); + quat.vmult(n,n); + this.worldNormalNeedsUpdate = false; +}; + +Plane.prototype.calculateLocalInertia = function(mass,target){ + target = target || new Vec3(); + return target; +}; + +Plane.prototype.volume = function(){ + return Number.MAX_VALUE; // The plane is infinite... +}; + +var tempNormal = new Vec3(); +Plane.prototype.calculateWorldAABB = function(pos, quat, min, max){ + // The plane AABB is infinite, except if the normal is pointing along any axis + tempNormal.set(0,0,1); // Default plane normal is z + quat.vmult(tempNormal,tempNormal); + var maxVal = Number.MAX_VALUE; + min.set(-maxVal, -maxVal, -maxVal); + max.set(maxVal, maxVal, maxVal); + + if(tempNormal.x === 1){ max.x = pos.x; } + if(tempNormal.y === 1){ max.y = pos.y; } + if(tempNormal.z === 1){ max.z = pos.z; } + + if(tempNormal.x === -1){ min.x = pos.x; } + if(tempNormal.y === -1){ min.y = pos.y; } + if(tempNormal.z === -1){ min.z = pos.z; } +}; + +Plane.prototype.updateBoundingSphereRadius = function(){ + this.boundingSphereRadius = Number.MAX_VALUE; +}; +},{"../math/Vec3":30,"./Shape":43}],43:[function(_dereq_,module,exports){ +module.exports = Shape; + +var Shape = _dereq_('./Shape'); +var Vec3 = _dereq_('../math/Vec3'); +var Quaternion = _dereq_('../math/Quaternion'); +var Material = _dereq_('../material/Material'); + +/** + * Base class for shapes + * @class Shape + * @constructor + * @author schteppe + * @todo Should have a mechanism for caching bounding sphere radius instead of calculating it each time + */ +function Shape(){ + + /** + * Identifyer of the Shape. + * @property {number} id + */ + this.id = Shape.idCounter++; + + /** + * The type of this shape. Must be set to an int > 0 by subclasses. + * @property type + * @type {Number} + * @see Shape.types + */ + this.type = 0; + + /** + * The local bounding sphere radius of this shape. + * @property {Number} boundingSphereRadius + */ + this.boundingSphereRadius = 0; + + /** + * Whether to produce contact forces when in contact with other bodies. Note that contacts will be generated, but they will be disabled. + * @property {boolean} collisionResponse + */ + this.collisionResponse = true; + + /** + * @property {Material} material + */ + this.material = null; +} +Shape.prototype.constructor = Shape; + +/** + * Computes the bounding sphere radius. The result is stored in the property .boundingSphereRadius + * @method updateBoundingSphereRadius + * @return {Number} + */ +Shape.prototype.updateBoundingSphereRadius = function(){ + throw "computeBoundingSphereRadius() not implemented for shape type "+this.type; +}; + +/** + * Get the volume of this shape + * @method volume + * @return {Number} + */ +Shape.prototype.volume = function(){ + throw "volume() not implemented for shape type "+this.type; +}; + +/** + * Calculates the inertia in the local frame for this shape. + * @method calculateLocalInertia + * @return {Vec3} + * @see http://en.wikipedia.org/wiki/List_of_moments_of_inertia + */ +Shape.prototype.calculateLocalInertia = function(mass,target){ + throw "calculateLocalInertia() not implemented for shape type "+this.type; +}; + +Shape.idCounter = 0; + +/** + * The available shape types. + * @static + * @property types + * @type {Object} + */ +Shape.types = { + SPHERE:1, + PLANE:2, + BOX:4, + COMPOUND:8, + CONVEXPOLYHEDRON:16, + HEIGHTFIELD:32, + PARTICLE:64, + CYLINDER:128, + TRIMESH:256 +}; + + +},{"../material/Material":25,"../math/Quaternion":28,"../math/Vec3":30,"./Shape":43}],44:[function(_dereq_,module,exports){ +module.exports = Sphere; + +var Shape = _dereq_('./Shape'); +var Vec3 = _dereq_('../math/Vec3'); + +/** + * Spherical shape + * @class Sphere + * @constructor + * @extends Shape + * @param {Number} radius The radius of the sphere, a non-negative number. + * @author schteppe / http://github.com/schteppe + */ +function Sphere(radius){ + Shape.call(this); + + /** + * @property {Number} radius + */ + this.radius = radius!==undefined ? Number(radius) : 1.0; + this.type = Shape.types.SPHERE; + + if(this.radius < 0){ + throw new Error('The sphere radius cannot be negative.'); + } + + this.updateBoundingSphereRadius(); +} +Sphere.prototype = new Shape(); +Sphere.prototype.constructor = Sphere; + +Sphere.prototype.calculateLocalInertia = function(mass,target){ + target = target || new Vec3(); + var I = 2.0*mass*this.radius*this.radius/5.0; + target.x = I; + target.y = I; + target.z = I; + return target; +}; + +Sphere.prototype.volume = function(){ + return 4.0 * Math.PI * this.radius / 3.0; +}; + +Sphere.prototype.updateBoundingSphereRadius = function(){ + this.boundingSphereRadius = this.radius; +}; + +Sphere.prototype.calculateWorldAABB = function(pos,quat,min,max){ + var r = this.radius; + var axes = ['x','y','z']; + for(var i=0; i u.x){ + u.x = v.x; + } + + if(v.y < l.y){ + l.y = v.y; + } else if(v.y > u.y){ + u.y = v.y; + } + + if(v.z < l.z){ + l.z = v.z; + } else if(v.z > u.z){ + u.z = v.z; + } + } +}; + + +/** + * Update the .aabb property + * @method updateAABB + */ +Trimesh.prototype.updateAABB = function(){ + this.computeLocalAABB(this.aabb); +}; + +/** + * Will update the .boundingSphereRadius property + * @method updateBoundingSphereRadius + */ +Trimesh.prototype.updateBoundingSphereRadius = function(){ + // Assume points are distributed with local (0,0,0) as center + var max2 = 0; + var vertices = this.vertices; + var v = new Vec3(); + for(var i=0, N=vertices.length / 3; i !== N; i++) { + this.getVertex(i, v); + var norm2 = v.norm2(); + if(norm2 > max2){ + max2 = norm2; + } + } + this.boundingSphereRadius = Math.sqrt(max2); +}; + +var tempWorldVertex = new Vec3(); +var calculateWorldAABB_frame = new Transform(); +var calculateWorldAABB_aabb = new AABB(); + +/** + * @method calculateWorldAABB + * @param {Vec3} pos + * @param {Quaternion} quat + * @param {Vec3} min + * @param {Vec3} max + */ +Trimesh.prototype.calculateWorldAABB = function(pos,quat,min,max){ + /* + var n = this.vertices.length / 3, + verts = this.vertices; + var minx,miny,minz,maxx,maxy,maxz; + + var v = tempWorldVertex; + for(var i=0; i maxx || maxx===undefined){ + maxx = v.x; + } + + if (v.y < miny || miny===undefined){ + miny = v.y; + } else if(v.y > maxy || maxy===undefined){ + maxy = v.y; + } + + if (v.z < minz || minz===undefined){ + minz = v.z; + } else if(v.z > maxz || maxz===undefined){ + maxz = v.z; + } + } + min.set(minx,miny,minz); + max.set(maxx,maxy,maxz); + */ + + // Faster approximation using local AABB + var frame = calculateWorldAABB_frame; + var result = calculateWorldAABB_aabb; + frame.position = pos; + frame.quaternion = quat; + this.aabb.toWorldFrame(frame, result); + min.copy(result.lowerBound); + max.copy(result.upperBound); +}; + +/** + * Get approximate volume + * @method volume + * @return {Number} + */ +Trimesh.prototype.volume = function(){ + return 4.0 * Math.PI * this.boundingSphereRadius / 3.0; +}; + +/** + * Create a Trimesh instance, shaped as a torus. + * @static + * @method createTorus + * @param {number} [radius=1] + * @param {number} [tube=0.5] + * @param {number} [radialSegments=8] + * @param {number} [tubularSegments=6] + * @param {number} [arc=6.283185307179586] + * @return {Trimesh} A torus + */ +Trimesh.createTorus = function (radius, tube, radialSegments, tubularSegments, arc) { + radius = radius || 1; + tube = tube || 0.5; + radialSegments = radialSegments || 8; + tubularSegments = tubularSegments || 6; + arc = arc || Math.PI * 2; + + var vertices = []; + var indices = []; + + for ( var j = 0; j <= radialSegments; j ++ ) { + for ( var i = 0; i <= tubularSegments; i ++ ) { + var u = i / tubularSegments * arc; + var v = j / radialSegments * Math.PI * 2; + + var x = ( radius + tube * Math.cos( v ) ) * Math.cos( u ); + var y = ( radius + tube * Math.cos( v ) ) * Math.sin( u ); + var z = tube * Math.sin( v ); + + vertices.push( x, y, z ); + } + } + + for ( var j = 1; j <= radialSegments; j ++ ) { + for ( var i = 1; i <= tubularSegments; i ++ ) { + var a = ( tubularSegments + 1 ) * j + i - 1; + var b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1; + var c = ( tubularSegments + 1 ) * ( j - 1 ) + i; + var d = ( tubularSegments + 1 ) * j + i; + + indices.push(a, b, d); + indices.push(b, c, d); + } + } + + return new Trimesh(vertices, indices); +}; + +},{"../collision/AABB":3,"../math/Quaternion":28,"../math/Transform":29,"../math/Vec3":30,"../utils/Octree":50,"./Shape":43}],46:[function(_dereq_,module,exports){ +module.exports = GSSolver; + +var Vec3 = _dereq_('../math/Vec3'); +var Quaternion = _dereq_('../math/Quaternion'); +var Solver = _dereq_('./Solver'); + +/** + * Constraint equation Gauss-Seidel solver. + * @class GSSolver + * @constructor + * @todo The spook parameters should be specified for each constraint, not globally. + * @author schteppe / https://github.com/schteppe + * @see https://www8.cs.umu.se/kurser/5DV058/VT09/lectures/spooknotes.pdf + * @extends Solver + */ +function GSSolver(){ + Solver.call(this); + + /** + * The number of solver iterations determines quality of the constraints in the world. The more iterations, the more correct simulation. More iterations need more computations though. If you have a large gravity force in your world, you will need more iterations. + * @property iterations + * @type {Number} + * @todo write more about solver and iterations in the wiki + */ + this.iterations = 10; + + /** + * When tolerance is reached, the system is assumed to be converged. + * @property tolerance + * @type {Number} + */ + this.tolerance = 1e-7; +} +GSSolver.prototype = new Solver(); + +var GSSolver_solve_lambda = []; // Just temporary number holders that we want to reuse each solve. +var GSSolver_solve_invCs = []; +var GSSolver_solve_Bs = []; +GSSolver.prototype.solve = function(dt,world){ + var iter = 0, + maxIter = this.iterations, + tolSquared = this.tolerance*this.tolerance, + equations = this.equations, + Neq = equations.length, + bodies = world.bodies, + Nbodies = bodies.length, + h = dt, + q, B, invC, deltalambda, deltalambdaTot, GWlambda, lambdaj; + + // Update solve mass + if(Neq !== 0){ + for(var i=0; i!==Nbodies; i++){ + bodies[i].updateSolveMassProperties(); + } + } + + // Things that does not change during iteration can be computed once + var invCs = GSSolver_solve_invCs, + Bs = GSSolver_solve_Bs, + lambda = GSSolver_solve_lambda; + invCs.length = Neq; + Bs.length = Neq; + lambda.length = Neq; + for(var i=0; i!==Neq; i++){ + var c = equations[i]; + lambda[i] = 0.0; + Bs[i] = c.computeB(h); + invCs[i] = 1.0 / c.computeC(); + } + + if(Neq !== 0){ + + // Reset vlambda + for(var i=0; i!==Nbodies; i++){ + var b=bodies[i], + vlambda=b.vlambda, + wlambda=b.wlambda; + vlambda.set(0,0,0); + if(wlambda){ + wlambda.set(0,0,0); + } + } + + // Iterate over equations + for(iter=0; iter!==maxIter; iter++){ + + // Accumulate the total error for each iteration. + deltalambdaTot = 0.0; + + for(var j=0; j!==Neq; j++){ + + var c = equations[j]; + + // Compute iteration + B = Bs[j]; + invC = invCs[j]; + lambdaj = lambda[j]; + GWlambda = c.computeGWlambda(); + deltalambda = invC * ( B - GWlambda - c.eps * lambdaj ); + + // Clamp if we are not within the min/max interval + if(lambdaj + deltalambda < c.minForce){ + deltalambda = c.minForce - lambdaj; + } else if(lambdaj + deltalambda > c.maxForce){ + deltalambda = c.maxForce - lambdaj; + } + lambda[j] += deltalambda; + + deltalambdaTot += deltalambda > 0.0 ? deltalambda : -deltalambda; // abs(deltalambda) + + c.addToWlambda(deltalambda); + } + + // If the total error is small enough - stop iterate + if(deltalambdaTot*deltalambdaTot < tolSquared){ + break; + } + } + + // Add result to velocity + for(var i=0; i!==Nbodies; i++){ + var b=bodies[i], + v=b.velocity, + w=b.angularVelocity; + v.vadd(b.vlambda, v); + if(w){ + w.vadd(b.wlambda, w); + } + } + } + + return iter; +}; + +},{"../math/Quaternion":28,"../math/Vec3":30,"./Solver":47}],47:[function(_dereq_,module,exports){ +module.exports = Solver; + +/** + * Constraint equation solver base class. + * @class Solver + * @constructor + * @author schteppe / https://github.com/schteppe + */ +function Solver(){ + /** + * All equations to be solved + * @property {Array} equations + */ + this.equations = []; +} + +/** + * Should be implemented in subclasses! + * @method solve + * @param {Number} dt + * @param {World} world + */ +Solver.prototype.solve = function(dt,world){ + // Should return the number of iterations done! + return 0; +}; + +/** + * Add an equation + * @method addEquation + * @param {Equation} eq + */ +Solver.prototype.addEquation = function(eq){ + if (eq.enabled) { + this.equations.push(eq); + } +}; + +/** + * Remove an equation + * @method removeEquation + * @param {Equation} eq + */ +Solver.prototype.removeEquation = function(eq){ + var eqs = this.equations; + var i = eqs.indexOf(eq); + if(i !== -1){ + eqs.splice(i,1); + } +}; + +/** + * Add all equations + * @method removeAllEquations + */ +Solver.prototype.removeAllEquations = function(){ + this.equations.length = 0; +}; + + +},{}],48:[function(_dereq_,module,exports){ +module.exports = SplitSolver; + +var Vec3 = _dereq_('../math/Vec3'); +var Quaternion = _dereq_('../math/Quaternion'); +var Solver = _dereq_('./Solver'); +var Body = _dereq_('../objects/Body'); + +/** + * Splits the equations into islands and solves them independently. Can improve performance. + * @class SplitSolver + * @constructor + * @extends Solver + * @param {Solver} subsolver + */ +function SplitSolver(subsolver){ + Solver.call(this); + this.iterations = 10; + this.tolerance = 1e-7; + this.subsolver = subsolver; + this.nodes = []; + this.nodePool = []; + + // Create needed nodes, reuse if possible + while(this.nodePool.length < 128){ + this.nodePool.push(this.createNode()); + } +} +SplitSolver.prototype = new Solver(); + +// Returns the number of subsystems +var SplitSolver_solve_nodes = []; // All allocated node objects +var SplitSolver_solve_nodePool = []; // All allocated node objects +var SplitSolver_solve_eqs = []; // Temp array +var SplitSolver_solve_bds = []; // Temp array +var SplitSolver_solve_dummyWorld = {bodies:[]}; // Temp object + +var STATIC = Body.STATIC; +function getUnvisitedNode(nodes){ + var Nnodes = nodes.length; + for(var i=0; i!==Nnodes; i++){ + var node = nodes[i]; + if(!node.visited && !(node.body.type & STATIC)){ + return node; + } + } + return false; +} + +var queue = []; +function bfs(root,visitFunc,bds,eqs){ + queue.push(root); + root.visited = true; + visitFunc(root,bds,eqs); + while(queue.length) { + var node = queue.pop(); + // Loop over unvisited child nodes + var child; + while((child = getUnvisitedNode(node.children))) { + child.visited = true; + visitFunc(child,bds,eqs); + queue.push(child); + } + } +} + +function visitFunc(node,bds,eqs){ + bds.push(node.body); + var Neqs = node.eqs.length; + for(var i=0; i!==Neqs; i++){ + var eq = node.eqs[i]; + if(eqs.indexOf(eq) === -1){ + eqs.push(eq); + } + } +} + +SplitSolver.prototype.createNode = function(){ + return { body:null, children:[], eqs:[], visited:false }; +}; + +/** + * Solve the subsystems + * @method solve + * @param {Number} dt + * @param {World} world + */ +SplitSolver.prototype.solve = function(dt,world){ + var nodes=SplitSolver_solve_nodes, + nodePool=this.nodePool, + bodies=world.bodies, + equations=this.equations, + Neq=equations.length, + Nbodies=bodies.length, + subsolver=this.subsolver; + + // Create needed nodes, reuse if possible + while(nodePool.length < Nbodies){ + nodePool.push(this.createNode()); + } + nodes.length = Nbodies; + for (var i = 0; i < Nbodies; i++) { + nodes[i] = nodePool[i]; + } + + // Reset node values + for(var i=0; i!==Nbodies; i++){ + var node = nodes[i]; + node.body = bodies[i]; + node.children.length = 0; + node.eqs.length = 0; + node.visited = false; + } + for(var k=0; k!==Neq; k++){ + var eq=equations[k], + i=bodies.indexOf(eq.bi), + j=bodies.indexOf(eq.bj), + ni=nodes[i], + nj=nodes[j]; + ni.children.push(nj); + ni.eqs.push(eq); + nj.children.push(ni); + nj.eqs.push(eq); + } + + var child, n=0, eqs=SplitSolver_solve_eqs; + + subsolver.tolerance = this.tolerance; + subsolver.iterations = this.iterations; + + var dummyWorld = SplitSolver_solve_dummyWorld; + while((child = getUnvisitedNode(nodes))){ + eqs.length = 0; + dummyWorld.bodies.length = 0; + bfs(child, visitFunc, dummyWorld.bodies, eqs); + + var Neqs = eqs.length; + + eqs = eqs.sort(sortById); + + for(var i=0; i!==Neqs; i++){ + subsolver.addEquation(eqs[i]); + } + + var iter = subsolver.solve(dt,dummyWorld); + subsolver.removeAllEquations(); + n++; + } + + return n; +}; + +function sortById(a, b){ + return b.id - a.id; +} +},{"../math/Quaternion":28,"../math/Vec3":30,"../objects/Body":31,"./Solver":47}],49:[function(_dereq_,module,exports){ +/** + * Base class for objects that dispatches events. + * @class EventTarget + * @constructor + */ +var EventTarget = function () { + +}; + +module.exports = EventTarget; + +EventTarget.prototype = { + constructor: EventTarget, + + /** + * Add an event listener + * @method addEventListener + * @param {String} type + * @param {Function} listener + * @return {EventTarget} The self object, for chainability. + */ + addEventListener: function ( type, listener ) { + if ( this._listeners === undefined ){ this._listeners = {}; } + var listeners = this._listeners; + if ( listeners[ type ] === undefined ) { + listeners[ type ] = []; + } + if ( listeners[ type ].indexOf( listener ) === - 1 ) { + listeners[ type ].push( listener ); + } + return this; + }, + + /** + * Check if an event listener is added + * @method hasEventListener + * @param {String} type + * @param {Function} listener + * @return {Boolean} + */ + hasEventListener: function ( type, listener ) { + if ( this._listeners === undefined ){ return false; } + var listeners = this._listeners; + if ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) { + return true; + } + return false; + }, + + /** + * Remove an event listener + * @method removeEventListener + * @param {String} type + * @param {Function} listener + * @return {EventTarget} The self object, for chainability. + */ + removeEventListener: function ( type, listener ) { + if ( this._listeners === undefined ){ return this; } + var listeners = this._listeners; + if ( listeners[type] === undefined ){ return this; } + var index = listeners[ type ].indexOf( listener ); + if ( index !== - 1 ) { + listeners[ type ].splice( index, 1 ); + } + return this; + }, + + /** + * Emit an event. + * @method dispatchEvent + * @param {Object} event + * @param {String} event.type + * @return {EventTarget} The self object, for chainability. + */ + dispatchEvent: function ( event ) { + if ( this._listeners === undefined ){ return this; } + var listeners = this._listeners; + var listenerArray = listeners[ event.type ]; + if ( listenerArray !== undefined ) { + event.target = this; + for ( var i = 0, l = listenerArray.length; i < l; i ++ ) { + listenerArray[ i ].call( this, event ); + } + } + return this; + } +}; + +},{}],50:[function(_dereq_,module,exports){ +var AABB = _dereq_('../collision/AABB'); +var Vec3 = _dereq_('../math/Vec3'); + +module.exports = Octree; + +/** + * @class OctreeNode + * @param {object} [options] + * @param {Octree} [options.root] + * @param {AABB} [options.aabb] + */ +function OctreeNode(options){ + options = options || {}; + + /** + * The root node + * @property {OctreeNode} root + */ + this.root = options.root || null; + + /** + * Boundary of this node + * @property {AABB} aabb + */ + this.aabb = options.aabb ? options.aabb.clone() : new AABB(); + + /** + * Contained data at the current node level. + * @property {Array} data + */ + this.data = []; + + /** + * Children to this node + * @property {Array} children + */ + this.children = []; +} + +/** + * @class Octree + * @param {AABB} aabb The total AABB of the tree + * @param {object} [options] + * @param {number} [options.maxDepth=8] + * @extends OctreeNode + */ +function Octree(aabb, options){ + options = options || {}; + options.root = null; + options.aabb = aabb; + OctreeNode.call(this, options); + + /** + * Maximum subdivision depth + * @property {number} maxDepth + */ + this.maxDepth = typeof(options.maxDepth) !== 'undefined' ? options.maxDepth : 8; +} +Octree.prototype = new OctreeNode(); + +OctreeNode.prototype.reset = function(aabb, options){ + this.children.length = this.data.length = 0; +}; + +/** + * Insert data into this node + * @method insert + * @param {AABB} aabb + * @param {object} elementData + * @return {boolean} True if successful, otherwise false + */ +OctreeNode.prototype.insert = function(aabb, elementData, level){ + var nodeData = this.data; + level = level || 0; + + // Ignore objects that do not belong in this node + if (!this.aabb.contains(aabb)){ + return false; // object cannot be added + } + + var children = this.children; + + if(level < (this.maxDepth || this.root.maxDepth)){ + // Subdivide if there are no children yet + var subdivided = false; + if (!children.length){ + this.subdivide(); + subdivided = true; + } + + // add to whichever node will accept it + for (var i = 0; i !== 8; i++) { + if (children[i].insert(aabb, elementData, level + 1)){ + return true; + } + } + + if(subdivided){ + // No children accepted! Might as well just remove em since they contain none + children.length = 0; + } + } + + // Too deep, or children didnt want it. add it in current node + nodeData.push(elementData); + + return true; +}; + +var halfDiagonal = new Vec3(); + +/** + * Create 8 equally sized children nodes and put them in the .children array. + * @method subdivide + */ +OctreeNode.prototype.subdivide = function() { + var aabb = this.aabb; + var l = aabb.lowerBound; + var u = aabb.upperBound; + + var children = this.children; + + children.push( + new OctreeNode({ aabb: new AABB({ lowerBound: new Vec3(0,0,0) }) }), + new OctreeNode({ aabb: new AABB({ lowerBound: new Vec3(1,0,0) }) }), + new OctreeNode({ aabb: new AABB({ lowerBound: new Vec3(1,1,0) }) }), + new OctreeNode({ aabb: new AABB({ lowerBound: new Vec3(1,1,1) }) }), + new OctreeNode({ aabb: new AABB({ lowerBound: new Vec3(0,1,1) }) }), + new OctreeNode({ aabb: new AABB({ lowerBound: new Vec3(0,0,1) }) }), + new OctreeNode({ aabb: new AABB({ lowerBound: new Vec3(1,0,1) }) }), + new OctreeNode({ aabb: new AABB({ lowerBound: new Vec3(0,1,0) }) }) + ); + + u.vsub(l, halfDiagonal); + halfDiagonal.scale(0.5, halfDiagonal); + + var root = this.root || this; + + for (var i = 0; i !== 8; i++) { + var child = children[i]; + + // Set current node as root + child.root = root; + + // Compute bounds + var lowerBound = child.aabb.lowerBound; + lowerBound.x *= halfDiagonal.x; + lowerBound.y *= halfDiagonal.y; + lowerBound.z *= halfDiagonal.z; + + lowerBound.vadd(l, lowerBound); + + // Upper bound is always lower bound + halfDiagonal + lowerBound.vadd(halfDiagonal, child.aabb.upperBound); + } +}; + +/** + * Get all data, potentially within an AABB + * @method aabbQuery + * @param {AABB} aabb + * @param {array} result + * @return {array} The "result" object + */ +OctreeNode.prototype.aabbQuery = function(aabb, result) { + + var nodeData = this.data; + + // abort if the range does not intersect this node + // if (!this.aabb.overlaps(aabb)){ + // return result; + // } + + // Add objects at this level + // Array.prototype.push.apply(result, nodeData); + + // Add child data + // @todo unwrap recursion into a queue / loop, that's faster in JS + var children = this.children; + + + // for (var i = 0, N = this.children.length; i !== N; i++) { + // children[i].aabbQuery(aabb, result); + // } + + var queue = [this]; + while (queue.length) { + var node = queue.pop(); + if (node.aabb.overlaps(aabb)){ + Array.prototype.push.apply(result, node.data); + } + Array.prototype.push.apply(queue, node.children); + } + + return result; +}; + +var tmpAABB = new AABB(); + +/** + * Get all data, potentially intersected by a ray. + * @method rayQuery + * @param {Ray} ray + * @param {Transform} treeTransform + * @param {array} result + * @return {array} The "result" object + */ +OctreeNode.prototype.rayQuery = function(ray, treeTransform, result) { + + // Use aabb query for now. + // @todo implement real ray query which needs less lookups + ray.getAABB(tmpAABB); + tmpAABB.toLocalFrame(treeTransform, tmpAABB); + this.aabbQuery(tmpAABB, result); + + return result; +}; + +/** + * @method removeEmptyNodes + */ +OctreeNode.prototype.removeEmptyNodes = function() { + var queue = [this]; + while (queue.length) { + var node = queue.pop(); + for (var i = node.children.length - 1; i >= 0; i--) { + if(!node.children[i].data.length){ + node.children.splice(i, 1); + } + } + Array.prototype.push.apply(queue, node.children); + } +}; + +},{"../collision/AABB":3,"../math/Vec3":30}],51:[function(_dereq_,module,exports){ +module.exports = Pool; + +/** + * For pooling objects that can be reused. + * @class Pool + * @constructor + */ +function Pool(){ + /** + * The pooled objects + * @property {Array} objects + */ + this.objects = []; + + /** + * Constructor of the objects + * @property {mixed} type + */ + this.type = Object; +} + +/** + * Release an object after use + * @method release + * @param {Object} obj + */ +Pool.prototype.release = function(){ + var Nargs = arguments.length; + for(var i=0; i!==Nargs; i++){ + this.objects.push(arguments[i]); + } +}; + +/** + * Get an object + * @method get + * @return {mixed} + */ +Pool.prototype.get = function(){ + if(this.objects.length===0){ + return this.constructObject(); + } else { + return this.objects.pop(); + } +}; + +/** + * Construct an object. Should be implmented in each subclass. + * @method constructObject + * @return {mixed} + */ +Pool.prototype.constructObject = function(){ + throw new Error("constructObject() not implemented in this Pool subclass yet!"); +}; + +},{}],52:[function(_dereq_,module,exports){ +module.exports = TupleDictionary; + +/** + * @class TupleDictionary + * @constructor + */ +function TupleDictionary() { + + /** + * The data storage + * @property data + * @type {Object} + */ + this.data = { keys:[] }; +} + +/** + * @method get + * @param {Number} i + * @param {Number} j + * @return {Number} + */ +TupleDictionary.prototype.get = function(i, j) { + if (i > j) { + // swap + var temp = j; + j = i; + i = temp; + } + return this.data[i+'-'+j]; +}; + +/** + * @method set + * @param {Number} i + * @param {Number} j + * @param {Number} value + */ +TupleDictionary.prototype.set = function(i, j, value) { + if (i > j) { + var temp = j; + j = i; + i = temp; + } + var key = i+'-'+j; + + // Check if key already exists + if(!this.get(i,j)){ + this.data.keys.push(key); + } + + this.data[key] = value; +}; + +/** + * @method reset + */ +TupleDictionary.prototype.reset = function() { + var data = this.data, + keys = data.keys; + while(keys.length > 0){ + var key = keys.pop(); + delete data[key]; + } +}; + +},{}],53:[function(_dereq_,module,exports){ +function Utils(){} + +module.exports = Utils; + +/** + * Extend an options object with default values. + * @static + * @method defaults + * @param {object} options The options object. May be falsy: in this case, a new object is created and returned. + * @param {object} defaults An object containing default values. + * @return {object} The modified options object. + */ +Utils.defaults = function(options, defaults){ + options = options || {}; + + for(var key in defaults){ + if(!(key in options)){ + options[key] = defaults[key]; + } + } + + return options; +}; + +},{}],54:[function(_dereq_,module,exports){ +module.exports = Vec3Pool; + +var Vec3 = _dereq_('../math/Vec3'); +var Pool = _dereq_('./Pool'); + +/** + * @class Vec3Pool + * @constructor + * @extends Pool + */ +function Vec3Pool(){ + Pool.call(this); + this.type = Vec3; +} +Vec3Pool.prototype = new Pool(); + +/** + * Construct a vector + * @method constructObject + * @return {Vec3} + */ +Vec3Pool.prototype.constructObject = function(){ + return new Vec3(); +}; + +},{"../math/Vec3":30,"./Pool":51}],55:[function(_dereq_,module,exports){ +module.exports = Narrowphase; + +var AABB = _dereq_('../collision/AABB'); +var Shape = _dereq_('../shapes/Shape'); +var Ray = _dereq_('../collision/Ray'); +var Vec3 = _dereq_('../math/Vec3'); +var Transform = _dereq_('../math/Transform'); +var ConvexPolyhedron = _dereq_('../shapes/ConvexPolyhedron'); +var Quaternion = _dereq_('../math/Quaternion'); +var Solver = _dereq_('../solver/Solver'); +var Vec3Pool = _dereq_('../utils/Vec3Pool'); +var ContactEquation = _dereq_('../equations/ContactEquation'); +var FrictionEquation = _dereq_('../equations/FrictionEquation'); + +/** + * Helper class for the World. Generates ContactEquations. + * @class Narrowphase + * @constructor + * @todo Sphere-ConvexPolyhedron contacts + * @todo Contact reduction + * @todo should move methods to prototype + */ +function Narrowphase(world){ + + /** + * Internal storage of pooled contact points. + * @property {Array} contactPointPool + */ + this.contactPointPool = []; + + this.frictionEquationPool = []; + + this.result = []; + this.frictionResult = []; + + /** + * Pooled vectors. + * @property {Vec3Pool} v3pool + */ + this.v3pool = new Vec3Pool(); + + this.world = world; + this.currentContactMaterial = null; + + /** + * @property {Boolean} enableFrictionReduction + */ + this.enableFrictionReduction = false; +} + +/** + * Make a contact object, by using the internal pool or creating a new one. + * @method createContactEquation + * @return {ContactEquation} + */ +Narrowphase.prototype.createContactEquation = function(bi, bj, si, sj, rsi, rsj){ + var c; + if(this.contactPointPool.length){ + c = this.contactPointPool.pop(); + c.bi = bi; + c.bj = bj; + } else { + c = new ContactEquation(bi, bj); + } + + c.enabled = bi.collisionResponse && bj.collisionResponse && si.collisionResponse && sj.collisionResponse; + + var cm = this.currentContactMaterial; + + c.restitution = cm.restitution; + + c.setSpookParams( + cm.contactEquationStiffness, + cm.contactEquationRelaxation, + this.world.dt + ); + + var matA = si.material || bi.material; + var matB = sj.material || bj.material; + if(matA && matB && matA.restitution >= 0 && matB.restitution >= 0){ + c.restitution = matA.restitution * matB.restitution; + } + + c.si = rsi || si; + c.sj = rsj || sj; + + return c; +}; + +Narrowphase.prototype.createFrictionEquationsFromContact = function(contactEquation, outArray){ + var bodyA = contactEquation.bi; + var bodyB = contactEquation.bj; + var shapeA = contactEquation.si; + var shapeB = contactEquation.sj; + + var world = this.world; + var cm = this.currentContactMaterial; + + // If friction or restitution were specified in the material, use them + var friction = cm.friction; + var matA = shapeA.material || bodyA.material; + var matB = shapeB.material || bodyB.material; + if(matA && matB && matA.friction >= 0 && matB.friction >= 0){ + friction = matA.friction * matB.friction; + } + + if(friction > 0){ + + // Create 2 tangent equations + var mug = friction * world.gravity.length(); + var reducedMass = (bodyA.invMass + bodyB.invMass); + if(reducedMass > 0){ + reducedMass = 1/reducedMass; + } + var pool = this.frictionEquationPool; + var c1 = pool.length ? pool.pop() : new FrictionEquation(bodyA,bodyB,mug*reducedMass); + var c2 = pool.length ? pool.pop() : new FrictionEquation(bodyA,bodyB,mug*reducedMass); + + c1.bi = c2.bi = bodyA; + c1.bj = c2.bj = bodyB; + c1.minForce = c2.minForce = -mug*reducedMass; + c1.maxForce = c2.maxForce = mug*reducedMass; + + // Copy over the relative vectors + c1.ri.copy(contactEquation.ri); + c1.rj.copy(contactEquation.rj); + c2.ri.copy(contactEquation.ri); + c2.rj.copy(contactEquation.rj); + + // Construct tangents + contactEquation.ni.tangents(c1.t, c2.t); + + // Set spook params + c1.setSpookParams(cm.frictionEquationStiffness, cm.frictionEquationRelaxation, world.dt); + c2.setSpookParams(cm.frictionEquationStiffness, cm.frictionEquationRelaxation, world.dt); + + c1.enabled = c2.enabled = contactEquation.enabled; + + outArray.push(c1, c2); + + return true; + } + + return false; +}; + +var averageNormal = new Vec3(); +var averageContactPointA = new Vec3(); +var averageContactPointB = new Vec3(); + +// Take the average N latest contact point on the plane. +Narrowphase.prototype.createFrictionFromAverage = function(numContacts){ + // The last contactEquation + var c = this.result[this.result.length - 1]; + + // Create the result: two "average" friction equations + if (!this.createFrictionEquationsFromContact(c, this.frictionResult) || numContacts === 1) { + return; + } + + var f1 = this.frictionResult[this.frictionResult.length - 2]; + var f2 = this.frictionResult[this.frictionResult.length - 1]; + + averageNormal.setZero(); + averageContactPointA.setZero(); + averageContactPointB.setZero(); + + var bodyA = c.bi; + var bodyB = c.bj; + for(var i=0; i!==numContacts; i++){ + c = this.result[this.result.length - 1 - i]; + if(c.bodyA !== bodyA){ + averageNormal.vadd(c.ni, averageNormal); // vec2.add(eq.t, eq.t, c.normalA); + averageContactPointA.vadd(c.ri, averageContactPointA); // vec2.add(eq.contactPointA, eq.contactPointA, c.contactPointA); + averageContactPointB.vadd(c.rj, averageContactPointB); + } else { + averageNormal.vsub(c.ni, averageNormal); // vec2.sub(eq.t, eq.t, c.normalA); + averageContactPointA.vadd(c.rj, averageContactPointA); // vec2.add(eq.contactPointA, eq.contactPointA, c.contactPointA); + averageContactPointB.vadd(c.ri, averageContactPointB); + } + } + + var invNumContacts = 1 / numContacts; + averageContactPointA.scale(invNumContacts, f1.ri); // vec2.scale(eq.contactPointA, eq.contactPointA, invNumContacts); + averageContactPointB.scale(invNumContacts, f1.rj); // vec2.scale(eq.contactPointB, eq.contactPointB, invNumContacts); + f2.ri.copy(f1.ri); // Should be the same + f2.rj.copy(f1.rj); + averageNormal.normalize(); + averageNormal.tangents(f1.t, f2.t); + // return eq; +}; + + +var tmpVec1 = new Vec3(); +var tmpVec2 = new Vec3(); +var tmpQuat1 = new Quaternion(); +var tmpQuat2 = new Quaternion(); + +/** + * Generate all contacts between a list of body pairs + * @method getContacts + * @param {array} p1 Array of body indices + * @param {array} p2 Array of body indices + * @param {World} world + * @param {array} result Array to store generated contacts + * @param {array} oldcontacts Optional. Array of reusable contact objects + */ +Narrowphase.prototype.getContacts = function(p1, p2, world, result, oldcontacts, frictionResult, frictionPool){ + // Save old contact objects + this.contactPointPool = oldcontacts; + this.frictionEquationPool = frictionPool; + this.result = result; + this.frictionResult = frictionResult; + + var qi = tmpQuat1; + var qj = tmpQuat2; + var xi = tmpVec1; + var xj = tmpVec2; + + for(var k=0, N=p1.length; k!==N; k++){ + + // Get current collision bodies + var bi = p1[k], + bj = p2[k]; + + // Get contact material + var bodyContactMaterial = null; + if(bi.material && bj.material){ + bodyContactMaterial = world.getContactMaterial(bi.material,bj.material) || null; + } + + for (var i = 0; i < bi.shapes.length; i++) { + bi.quaternion.mult(bi.shapeOrientations[i], qi); + bi.quaternion.vmult(bi.shapeOffsets[i], xi); + xi.vadd(bi.position, xi); + var si = bi.shapes[i]; + + for (var j = 0; j < bj.shapes.length; j++) { + + // Compute world transform of shapes + bj.quaternion.mult(bj.shapeOrientations[j], qj); + bj.quaternion.vmult(bj.shapeOffsets[j], xj); + xj.vadd(bj.position, xj); + var sj = bj.shapes[j]; + + if(xi.distanceTo(xj) > si.boundingSphereRadius + sj.boundingSphereRadius){ + continue; + } + + // Get collision material + var shapeContactMaterial = null; + if(si.material && sj.material){ + shapeContactMaterial = world.getContactMaterial(si.material,sj.material) || null; + } + + this.currentContactMaterial = shapeContactMaterial || bodyContactMaterial || world.defaultContactMaterial; + + // Get contacts + var resolver = this[si.type | sj.type]; + if(resolver){ + if (si.type < sj.type) { + resolver.call(this, si, sj, xi, xj, qi, qj, bi, bj, si, sj); + } else { + resolver.call(this, sj, si, xj, xi, qj, qi, bj, bi, si, sj); + } + } + } + } + } +}; + +var numWarnings = 0; +var maxWarnings = 10; + +function warn(msg){ + if(numWarnings > maxWarnings){ + return; + } + + numWarnings++; + + console.warn(msg); +} + +Narrowphase.prototype[Shape.types.BOX | Shape.types.BOX] = +Narrowphase.prototype.boxBox = function(si,sj,xi,xj,qi,qj,bi,bj){ + si.convexPolyhedronRepresentation.material = si.material; + sj.convexPolyhedronRepresentation.material = sj.material; + si.convexPolyhedronRepresentation.collisionResponse = si.collisionResponse; + sj.convexPolyhedronRepresentation.collisionResponse = sj.collisionResponse; + this.convexConvex(si.convexPolyhedronRepresentation,sj.convexPolyhedronRepresentation,xi,xj,qi,qj,bi,bj,si,sj); +}; + +Narrowphase.prototype[Shape.types.BOX | Shape.types.CONVEXPOLYHEDRON] = +Narrowphase.prototype.boxConvex = function(si,sj,xi,xj,qi,qj,bi,bj){ + si.convexPolyhedronRepresentation.material = si.material; + si.convexPolyhedronRepresentation.collisionResponse = si.collisionResponse; + this.convexConvex(si.convexPolyhedronRepresentation,sj,xi,xj,qi,qj,bi,bj,si,sj); +}; + +Narrowphase.prototype[Shape.types.BOX | Shape.types.PARTICLE] = +Narrowphase.prototype.boxParticle = function(si,sj,xi,xj,qi,qj,bi,bj){ + si.convexPolyhedronRepresentation.material = si.material; + si.convexPolyhedronRepresentation.collisionResponse = si.collisionResponse; + this.convexParticle(si.convexPolyhedronRepresentation,sj,xi,xj,qi,qj,bi,bj,si,sj); +}; + +/** + * @method sphereSphere + * @param {Shape} si + * @param {Shape} sj + * @param {Vec3} xi + * @param {Vec3} xj + * @param {Quaternion} qi + * @param {Quaternion} qj + * @param {Body} bi + * @param {Body} bj + */ +Narrowphase.prototype[Shape.types.SPHERE] = +Narrowphase.prototype.sphereSphere = function(si,sj,xi,xj,qi,qj,bi,bj){ + // We will have only one contact in this case + var r = this.createContactEquation(bi,bj,si,sj); + + // Contact normal + xj.vsub(xi, r.ni); + r.ni.normalize(); + + // Contact point locations + r.ri.copy(r.ni); + r.rj.copy(r.ni); + r.ri.mult(si.radius, r.ri); + r.rj.mult(-sj.radius, r.rj); + + r.ri.vadd(xi, r.ri); + r.ri.vsub(bi.position, r.ri); + + r.rj.vadd(xj, r.rj); + r.rj.vsub(bj.position, r.rj); + + this.result.push(r); + + this.createFrictionEquationsFromContact(r, this.frictionResult); +}; + +/** + * @method planeTrimesh + * @param {Shape} si + * @param {Shape} sj + * @param {Vec3} xi + * @param {Vec3} xj + * @param {Quaternion} qi + * @param {Quaternion} qj + * @param {Body} bi + * @param {Body} bj + */ +var planeTrimesh_normal = new Vec3(); +var planeTrimesh_relpos = new Vec3(); +var planeTrimesh_projected = new Vec3(); +Narrowphase.prototype[Shape.types.PLANE | Shape.types.TRIMESH] = +Narrowphase.prototype.planeTrimesh = function( + planeShape, + trimeshShape, + planePos, + trimeshPos, + planeQuat, + trimeshQuat, + planeBody, + trimeshBody +){ + // Make contacts! + var v = new Vec3(); + + var normal = planeTrimesh_normal; + normal.set(0,0,1); + planeQuat.vmult(normal,normal); // Turn normal according to plane + + for(var i=0; i 0 && positionAlongEdgeB < 0){ + + // Now check the orthogonal distance from edge to sphere center + localSpherePos.vsub(edgeVertexA, tmp); + + edgeVectorUnit.copy(edgeVector); + edgeVectorUnit.normalize(); + positionAlongEdgeA = tmp.dot(edgeVectorUnit); + + edgeVectorUnit.scale(positionAlongEdgeA, tmp); + tmp.vadd(edgeVertexA, tmp); + + // tmp is now the sphere center position projected to the edge, defined locally in the trimesh frame + var dist = tmp.distanceTo(localSpherePos); + if(dist < sphereShape.radius){ + var r = this.createContactEquation(sphereBody, trimeshBody, sphereShape, trimeshShape); + + tmp.vsub(localSpherePos, r.ni); + r.ni.normalize(); + r.ni.scale(sphereShape.radius, r.ri); + + Transform.pointToWorldFrame(trimeshPos, trimeshQuat, tmp, tmp); + tmp.vsub(trimeshBody.position, r.rj); + + Transform.vectorToWorldFrame(trimeshQuat, r.ni, r.ni); + Transform.vectorToWorldFrame(trimeshQuat, r.ri, r.ri); + + this.result.push(r); + this.createFrictionEquationsFromContact(r, this.frictionResult); + } + } + } + } + + // Triangle faces + var va = sphereTrimesh_va; + var vb = sphereTrimesh_vb; + var vc = sphereTrimesh_vc; + var normal = sphereTrimesh_normal; + for(var i=0, N = triangles.length; i !== N; i++){ + trimeshShape.getTriangleVertices(triangles[i], va, vb, vc); + trimeshShape.getNormal(triangles[i], normal); + localSpherePos.vsub(va, tmp); + var dist = tmp.dot(normal); + normal.scale(dist, tmp); + localSpherePos.vsub(tmp, tmp); + + // tmp is now the sphere position projected to the triangle plane + dist = tmp.distanceTo(localSpherePos); + if(Ray.pointInTriangle(tmp, va, vb, vc) && dist < sphereShape.radius){ + var r = this.createContactEquation(sphereBody, trimeshBody, sphereShape, trimeshShape); + + tmp.vsub(localSpherePos, r.ni); + r.ni.normalize(); + r.ni.scale(sphereShape.radius, r.ri); + + Transform.pointToWorldFrame(trimeshPos, trimeshQuat, tmp, tmp); + tmp.vsub(trimeshBody.position, r.rj); + + Transform.vectorToWorldFrame(trimeshQuat, r.ni, r.ni); + Transform.vectorToWorldFrame(trimeshQuat, r.ri, r.ri); + + this.result.push(r); + this.createFrictionEquationsFromContact(r, this.frictionResult); + } + } + + triangles.length = 0; +}; + +var point_on_plane_to_sphere = new Vec3(); +var plane_to_sphere_ortho = new Vec3(); + +/** + * @method spherePlane + * @param {Shape} si + * @param {Shape} sj + * @param {Vec3} xi + * @param {Vec3} xj + * @param {Quaternion} qi + * @param {Quaternion} qj + * @param {Body} bi + * @param {Body} bj + */ +Narrowphase.prototype[Shape.types.SPHERE | Shape.types.PLANE] = +Narrowphase.prototype.spherePlane = function(si,sj,xi,xj,qi,qj,bi,bj){ + // We will have one contact in this case + var r = this.createContactEquation(bi,bj,si,sj); + + // Contact normal + r.ni.set(0,0,1); + qj.vmult(r.ni, r.ni); + r.ni.negate(r.ni); // body i is the sphere, flip normal + r.ni.normalize(); // Needed? + + // Vector from sphere center to contact point + r.ni.mult(si.radius, r.ri); + + // Project down sphere on plane + xi.vsub(xj, point_on_plane_to_sphere); + r.ni.mult(r.ni.dot(point_on_plane_to_sphere), plane_to_sphere_ortho); + point_on_plane_to_sphere.vsub(plane_to_sphere_ortho,r.rj); // The sphere position projected to plane + + if(-point_on_plane_to_sphere.dot(r.ni) <= si.radius){ + + // Make it relative to the body + var ri = r.ri; + var rj = r.rj; + ri.vadd(xi, ri); + ri.vsub(bi.position, ri); + rj.vadd(xj, rj); + rj.vsub(bj.position, rj); + + this.result.push(r); + this.createFrictionEquationsFromContact(r, this.frictionResult); + } +}; + +// See http://bulletphysics.com/Bullet/BulletFull/SphereTriangleDetector_8cpp_source.html +var pointInPolygon_edge = new Vec3(); +var pointInPolygon_edge_x_normal = new Vec3(); +var pointInPolygon_vtp = new Vec3(); +function pointInPolygon(verts, normal, p){ + var positiveResult = null; + var N = verts.length; + for(var i=0; i!==N; i++){ + var v = verts[i]; + + // Get edge to the next vertex + var edge = pointInPolygon_edge; + verts[(i+1) % (N)].vsub(v,edge); + + // Get cross product between polygon normal and the edge + var edge_x_normal = pointInPolygon_edge_x_normal; + //var edge_x_normal = new Vec3(); + edge.cross(normal,edge_x_normal); + + // Get vector between point and current vertex + var vertex_to_p = pointInPolygon_vtp; + p.vsub(v,vertex_to_p); + + // This dot product determines which side of the edge the point is + var r = edge_x_normal.dot(vertex_to_p); + + // If all such dot products have same sign, we are inside the polygon. + if(positiveResult===null || (r>0 && positiveResult===true) || (r<=0 && positiveResult===false)){ + if(positiveResult===null){ + positiveResult = r>0; + } + continue; + } else { + return false; // Encountered some other sign. Exit. + } + } + + // If we got here, all dot products were of the same sign. + return true; +} + +var box_to_sphere = new Vec3(); +var sphereBox_ns = new Vec3(); +var sphereBox_ns1 = new Vec3(); +var sphereBox_ns2 = new Vec3(); +var sphereBox_sides = [new Vec3(),new Vec3(),new Vec3(),new Vec3(),new Vec3(),new Vec3()]; +var sphereBox_sphere_to_corner = new Vec3(); +var sphereBox_side_ns = new Vec3(); +var sphereBox_side_ns1 = new Vec3(); +var sphereBox_side_ns2 = new Vec3(); + +/** + * @method sphereBox + * @param {Shape} si + * @param {Shape} sj + * @param {Vec3} xi + * @param {Vec3} xj + * @param {Quaternion} qi + * @param {Quaternion} qj + * @param {Body} bi + * @param {Body} bj + */ +Narrowphase.prototype[Shape.types.SPHERE | Shape.types.BOX] = +Narrowphase.prototype.sphereBox = function(si,sj,xi,xj,qi,qj,bi,bj){ + var v3pool = this.v3pool; + + // we refer to the box as body j + var sides = sphereBox_sides; + xi.vsub(xj,box_to_sphere); + sj.getSideNormals(sides,qj); + var R = si.radius; + var penetrating_sides = []; + + // Check side (plane) intersections + var found = false; + + // Store the resulting side penetration info + var side_ns = sphereBox_side_ns; + var side_ns1 = sphereBox_side_ns1; + var side_ns2 = sphereBox_side_ns2; + var side_h = null; + var side_penetrations = 0; + var side_dot1 = 0; + var side_dot2 = 0; + var side_distance = null; + for(var idx=0,nsides=sides.length; idx!==nsides && found===false; idx++){ + // Get the plane side normal (ns) + var ns = sphereBox_ns; + ns.copy(sides[idx]); + + var h = ns.norm(); + ns.normalize(); + + // The normal/distance dot product tells which side of the plane we are + var dot = box_to_sphere.dot(ns); + + if(dot0){ + // Intersects plane. Now check the other two dimensions + var ns1 = sphereBox_ns1; + var ns2 = sphereBox_ns2; + ns1.copy(sides[(idx+1)%3]); + ns2.copy(sides[(idx+2)%3]); + var h1 = ns1.norm(); + var h2 = ns2.norm(); + ns1.normalize(); + ns2.normalize(); + var dot1 = box_to_sphere.dot(ns1); + var dot2 = box_to_sphere.dot(ns2); + if(dot1

-h1 && dot2

-h2){ + var dist = Math.abs(dot-h-R); + if(side_distance===null || dist < side_distance){ + side_distance = dist; + side_dot1 = dot1; + side_dot2 = dot2; + side_h = h; + side_ns.copy(ns); + side_ns1.copy(ns1); + side_ns2.copy(ns2); + side_penetrations++; + } + } + } + } + if(side_penetrations){ + found = true; + var r = this.createContactEquation(bi,bj,si,sj); + side_ns.mult(-R,r.ri); // Sphere r + r.ni.copy(side_ns); + r.ni.negate(r.ni); // Normal should be out of sphere + side_ns.mult(side_h,side_ns); + side_ns1.mult(side_dot1,side_ns1); + side_ns.vadd(side_ns1,side_ns); + side_ns2.mult(side_dot2,side_ns2); + side_ns.vadd(side_ns2,r.rj); + + // Make relative to bodies + r.ri.vadd(xi, r.ri); + r.ri.vsub(bi.position, r.ri); + r.rj.vadd(xj, r.rj); + r.rj.vsub(bj.position, r.rj); + + this.result.push(r); + this.createFrictionEquationsFromContact(r, this.frictionResult); + } + + // Check corners + var rj = v3pool.get(); + var sphere_to_corner = sphereBox_sphere_to_corner; + for(var j=0; j!==2 && !found; j++){ + for(var k=0; k!==2 && !found; k++){ + for(var l=0; l!==2 && !found; l++){ + rj.set(0,0,0); + if(j){ + rj.vadd(sides[0],rj); + } else { + rj.vsub(sides[0],rj); + } + if(k){ + rj.vadd(sides[1],rj); + } else { + rj.vsub(sides[1],rj); + } + if(l){ + rj.vadd(sides[2],rj); + } else { + rj.vsub(sides[2],rj); + } + + // World position of corner + xj.vadd(rj,sphere_to_corner); + sphere_to_corner.vsub(xi,sphere_to_corner); + + if(sphere_to_corner.norm2() < R*R){ + found = true; + var r = this.createContactEquation(bi,bj,si,sj); + r.ri.copy(sphere_to_corner); + r.ri.normalize(); + r.ni.copy(r.ri); + r.ri.mult(R,r.ri); + r.rj.copy(rj); + + // Make relative to bodies + r.ri.vadd(xi, r.ri); + r.ri.vsub(bi.position, r.ri); + r.rj.vadd(xj, r.rj); + r.rj.vsub(bj.position, r.rj); + + this.result.push(r); + this.createFrictionEquationsFromContact(r, this.frictionResult); + } + } + } + } + v3pool.release(rj); + rj = null; + + // Check edges + var edgeTangent = v3pool.get(); + var edgeCenter = v3pool.get(); + var r = v3pool.get(); // r = edge center to sphere center + var orthogonal = v3pool.get(); + var dist = v3pool.get(); + var Nsides = sides.length; + for(var j=0; j!==Nsides && !found; j++){ + for(var k=0; k!==Nsides && !found; k++){ + if(j%3 !== k%3){ + // Get edge tangent + sides[k].cross(sides[j],edgeTangent); + edgeTangent.normalize(); + sides[j].vadd(sides[k], edgeCenter); + r.copy(xi); + r.vsub(edgeCenter,r); + r.vsub(xj,r); + var orthonorm = r.dot(edgeTangent); // distance from edge center to sphere center in the tangent direction + edgeTangent.mult(orthonorm,orthogonal); // Vector from edge center to sphere center in the tangent direction + + // Find the third side orthogonal to this one + var l = 0; + while(l===j%3 || l===k%3){ + l++; + } + + // vec from edge center to sphere projected to the plane orthogonal to the edge tangent + dist.copy(xi); + dist.vsub(orthogonal,dist); + dist.vsub(edgeCenter,dist); + dist.vsub(xj,dist); + + // Distances in tangent direction and distance in the plane orthogonal to it + var tdist = Math.abs(orthonorm); + var ndist = dist.norm(); + + if(tdist < sides[l].norm() && ndist si.boundingSphereRadius + sj.boundingSphereRadius){ + // return; + // } + + // Check corners + for(var i=0; i!==verts.length; i++){ + var v = verts[i]; + + // World position of corner + var worldCorner = sphereConvex_worldCorner; + qj.vmult(v,worldCorner); + xj.vadd(worldCorner,worldCorner); + var sphere_to_corner = sphereConvex_sphereToCorner; + worldCorner.vsub(xi, sphere_to_corner); + if(sphere_to_corner.norm2() < R * R){ + found = true; + var r = this.createContactEquation(bi,bj,si,sj); + r.ri.copy(sphere_to_corner); + r.ri.normalize(); + r.ni.copy(r.ri); + r.ri.mult(R,r.ri); + worldCorner.vsub(xj,r.rj); + + // Should be relative to the body. + r.ri.vadd(xi, r.ri); + r.ri.vsub(bi.position, r.ri); + + // Should be relative to the body. + r.rj.vadd(xj, r.rj); + r.rj.vsub(bj.position, r.rj); + + this.result.push(r); + this.createFrictionEquationsFromContact(r, this.frictionResult); + return; + } + } + + // Check side (plane) intersections + var found = false; + for(var i=0, nfaces=faces.length; i!==nfaces && found===false; i++){ + var normal = normals[i]; + var face = faces[i]; + + // Get world-transformed normal of the face + var worldNormal = sphereConvex_worldNormal; + qj.vmult(normal,worldNormal); + + // Get a world vertex from the face + var worldPoint = sphereConvex_worldPoint; + qj.vmult(verts[face[0]],worldPoint); + worldPoint.vadd(xj,worldPoint); + + // Get a point on the sphere, closest to the face normal + var worldSpherePointClosestToPlane = sphereConvex_worldSpherePointClosestToPlane; + worldNormal.mult(-R, worldSpherePointClosestToPlane); + xi.vadd(worldSpherePointClosestToPlane, worldSpherePointClosestToPlane); + + // Vector from a face point to the closest point on the sphere + var penetrationVec = sphereConvex_penetrationVec; + worldSpherePointClosestToPlane.vsub(worldPoint,penetrationVec); + + // The penetration. Negative value means overlap. + var penetration = penetrationVec.dot(worldNormal); + + var worldPointToSphere = sphereConvex_sphereToWorldPoint; + xi.vsub(worldPoint, worldPointToSphere); + + if(penetration < 0 && worldPointToSphere.dot(worldNormal)>0){ + // Intersects plane. Now check if the sphere is inside the face polygon + var faceVerts = []; // Face vertices, in world coords + for(var j=0, Nverts=face.length; j!==Nverts; j++){ + var worldVertex = v3pool.get(); + qj.vmult(verts[face[j]], worldVertex); + xj.vadd(worldVertex,worldVertex); + faceVerts.push(worldVertex); + } + + if(pointInPolygon(faceVerts,worldNormal,xi)){ // Is the sphere center in the face polygon? + found = true; + var r = this.createContactEquation(bi,bj,si,sj); + + worldNormal.mult(-R, r.ri); // Contact offset, from sphere center to contact + worldNormal.negate(r.ni); // Normal pointing out of sphere + + var penetrationVec2 = v3pool.get(); + worldNormal.mult(-penetration, penetrationVec2); + var penetrationSpherePoint = v3pool.get(); + worldNormal.mult(-R, penetrationSpherePoint); + + //xi.vsub(xj).vadd(penetrationSpherePoint).vadd(penetrationVec2 , r.rj); + xi.vsub(xj,r.rj); + r.rj.vadd(penetrationSpherePoint,r.rj); + r.rj.vadd(penetrationVec2 , r.rj); + + // Should be relative to the body. + r.rj.vadd(xj, r.rj); + r.rj.vsub(bj.position, r.rj); + + // Should be relative to the body. + r.ri.vadd(xi, r.ri); + r.ri.vsub(bi.position, r.ri); + + v3pool.release(penetrationVec2); + v3pool.release(penetrationSpherePoint); + + this.result.push(r); + this.createFrictionEquationsFromContact(r, this.frictionResult); + + // Release world vertices + for(var j=0, Nfaceverts=faceVerts.length; j!==Nfaceverts; j++){ + v3pool.release(faceVerts[j]); + } + + return; // We only expect *one* face contact + } else { + // Edge? + for(var j=0; j!==face.length; j++){ + + // Get two world transformed vertices + var v1 = v3pool.get(); + var v2 = v3pool.get(); + qj.vmult(verts[face[(j+1)%face.length]], v1); + qj.vmult(verts[face[(j+2)%face.length]], v2); + xj.vadd(v1, v1); + xj.vadd(v2, v2); + + // Construct edge vector + var edge = sphereConvex_edge; + v2.vsub(v1,edge); + + // Construct the same vector, but normalized + var edgeUnit = sphereConvex_edgeUnit; + edge.unit(edgeUnit); + + // p is xi projected onto the edge + var p = v3pool.get(); + var v1_to_xi = v3pool.get(); + xi.vsub(v1, v1_to_xi); + var dot = v1_to_xi.dot(edgeUnit); + edgeUnit.mult(dot, p); + p.vadd(v1, p); + + // Compute a vector from p to the center of the sphere + var xi_to_p = v3pool.get(); + p.vsub(xi, xi_to_p); + + // Collision if the edge-sphere distance is less than the radius + // AND if p is in between v1 and v2 + if(dot > 0 && dot*dot si.boundingSphereRadius + sj.boundingSphereRadius){ + return; + } + + if(si.findSeparatingAxis(sj,xi,qi,xj,qj,sepAxis,faceListA,faceListB)){ + var res = []; + var q = convexConvex_q; + si.clipAgainstHull(xi,qi,sj,xj,qj,sepAxis,-100,100,res); + var numContacts = 0; + for(var j = 0; j !== res.length; j++){ + var r = this.createContactEquation(bi,bj,si,sj,rsi,rsj), + ri = r.ri, + rj = r.rj; + sepAxis.negate(r.ni); + res[j].normal.negate(q); + q.mult(res[j].depth, q); + res[j].point.vadd(q, ri); + rj.copy(res[j].point); + + // Contact points are in world coordinates. Transform back to relative + ri.vsub(xi,ri); + rj.vsub(xj,rj); + + // Make relative to bodies + ri.vadd(xi, ri); + ri.vsub(bi.position, ri); + rj.vadd(xj, rj); + rj.vsub(bj.position, rj); + + this.result.push(r); + numContacts++; + if(!this.enableFrictionReduction){ + this.createFrictionEquationsFromContact(r, this.frictionResult); + } + } + if(this.enableFrictionReduction && numContacts){ + this.createFrictionFromAverage(numContacts); + } + } +}; + + +/** + * @method convexTrimesh + * @param {Array} result + * @param {Shape} si + * @param {Shape} sj + * @param {Vec3} xi + * @param {Vec3} xj + * @param {Quaternion} qi + * @param {Quaternion} qj + * @param {Body} bi + * @param {Body} bj + */ +// Narrowphase.prototype[Shape.types.CONVEXPOLYHEDRON | Shape.types.TRIMESH] = +// Narrowphase.prototype.convexTrimesh = function(si,sj,xi,xj,qi,qj,bi,bj,rsi,rsj,faceListA,faceListB){ +// var sepAxis = convexConvex_sepAxis; + +// if(xi.distanceTo(xj) > si.boundingSphereRadius + sj.boundingSphereRadius){ +// return; +// } + +// // Construct a temp hull for each triangle +// var hullB = new ConvexPolyhedron(); + +// hullB.faces = [[0,1,2]]; +// var va = new Vec3(); +// var vb = new Vec3(); +// var vc = new Vec3(); +// hullB.vertices = [ +// va, +// vb, +// vc +// ]; + +// for (var i = 0; i < sj.indices.length / 3; i++) { + +// var triangleNormal = new Vec3(); +// sj.getNormal(i, triangleNormal); +// hullB.faceNormals = [triangleNormal]; + +// sj.getTriangleVertices(i, va, vb, vc); + +// var d = si.testSepAxis(triangleNormal, hullB, xi, qi, xj, qj); +// if(!d){ +// triangleNormal.scale(-1, triangleNormal); +// d = si.testSepAxis(triangleNormal, hullB, xi, qi, xj, qj); + +// if(!d){ +// continue; +// } +// } + +// var res = []; +// var q = convexConvex_q; +// si.clipAgainstHull(xi,qi,hullB,xj,qj,triangleNormal,-100,100,res); +// for(var j = 0; j !== res.length; j++){ +// var r = this.createContactEquation(bi,bj,si,sj,rsi,rsj), +// ri = r.ri, +// rj = r.rj; +// r.ni.copy(triangleNormal); +// r.ni.negate(r.ni); +// res[j].normal.negate(q); +// q.mult(res[j].depth, q); +// res[j].point.vadd(q, ri); +// rj.copy(res[j].point); + +// // Contact points are in world coordinates. Transform back to relative +// ri.vsub(xi,ri); +// rj.vsub(xj,rj); + +// // Make relative to bodies +// ri.vadd(xi, ri); +// ri.vsub(bi.position, ri); +// rj.vadd(xj, rj); +// rj.vsub(bj.position, rj); + +// result.push(r); +// } +// } +// }; + +var particlePlane_normal = new Vec3(); +var particlePlane_relpos = new Vec3(); +var particlePlane_projected = new Vec3(); + +/** + * @method particlePlane + * @param {Array} result + * @param {Shape} si + * @param {Shape} sj + * @param {Vec3} xi + * @param {Vec3} xj + * @param {Quaternion} qi + * @param {Quaternion} qj + * @param {Body} bi + * @param {Body} bj + */ +Narrowphase.prototype[Shape.types.PLANE | Shape.types.PARTICLE] = +Narrowphase.prototype.planeParticle = function(sj,si,xj,xi,qj,qi,bj,bi){ + var normal = particlePlane_normal; + normal.set(0,0,1); + bj.quaternion.vmult(normal,normal); // Turn normal according to plane orientation + var relpos = particlePlane_relpos; + xi.vsub(bj.position,relpos); + var dot = normal.dot(relpos); + if(dot <= 0.0){ + var r = this.createContactEquation(bi,bj,si,sj); + r.ni.copy(normal); // Contact normal is the plane normal + r.ni.negate(r.ni); + r.ri.set(0,0,0); // Center of particle + + // Get particle position projected on plane + var projected = particlePlane_projected; + normal.mult(normal.dot(xi),projected); + xi.vsub(projected,projected); + //projected.vadd(bj.position,projected); + + // rj is now the projected world position minus plane position + r.rj.copy(projected); + this.result.push(r); + this.createFrictionEquationsFromContact(r, this.frictionResult); + } +}; + +var particleSphere_normal = new Vec3(); + +/** + * @method particleSphere + * @param {Array} result + * @param {Shape} si + * @param {Shape} sj + * @param {Vec3} xi + * @param {Vec3} xj + * @param {Quaternion} qi + * @param {Quaternion} qj + * @param {Body} bi + * @param {Body} bj + */ +Narrowphase.prototype[Shape.types.PARTICLE | Shape.types.SPHERE] = +Narrowphase.prototype.sphereParticle = function(sj,si,xj,xi,qj,qi,bj,bi){ + // The normal is the unit vector from sphere center to particle center + var normal = particleSphere_normal; + normal.set(0,0,1); + xi.vsub(xj,normal); + var lengthSquared = normal.norm2(); + + if(lengthSquared <= sj.radius * sj.radius){ + var r = this.createContactEquation(bi,bj,si,sj); + normal.normalize(); + r.rj.copy(normal); + r.rj.mult(sj.radius,r.rj); + r.ni.copy(normal); // Contact normal + r.ni.negate(r.ni); + r.ri.set(0,0,0); // Center of particle + this.result.push(r); + this.createFrictionEquationsFromContact(r, this.frictionResult); + } +}; + +// WIP +var cqj = new Quaternion(); +var convexParticle_local = new Vec3(); +var convexParticle_normal = new Vec3(); +var convexParticle_penetratedFaceNormal = new Vec3(); +var convexParticle_vertexToParticle = new Vec3(); +var convexParticle_worldPenetrationVec = new Vec3(); + +/** + * @method convexParticle + * @param {Array} result + * @param {Shape} si + * @param {Shape} sj + * @param {Vec3} xi + * @param {Vec3} xj + * @param {Quaternion} qi + * @param {Quaternion} qj + * @param {Body} bi + * @param {Body} bj + */ +Narrowphase.prototype[Shape.types.PARTICLE | Shape.types.CONVEXPOLYHEDRON] = +Narrowphase.prototype.convexParticle = function(sj,si,xj,xi,qj,qi,bj,bi){ + var penetratedFaceIndex = -1; + var penetratedFaceNormal = convexParticle_penetratedFaceNormal; + var worldPenetrationVec = convexParticle_worldPenetrationVec; + var minPenetration = null; + var numDetectedFaces = 0; + + // Convert particle position xi to local coords in the convex + var local = convexParticle_local; + local.copy(xi); + local.vsub(xj,local); // Convert position to relative the convex origin + qj.conjugate(cqj); + cqj.vmult(local,local); + + if(sj.pointIsInside(local)){ + + if(sj.worldVerticesNeedsUpdate){ + sj.computeWorldVertices(xj,qj); + } + if(sj.worldFaceNormalsNeedsUpdate){ + sj.computeWorldFaceNormals(qj); + } + + // For each world polygon in the polyhedra + for(var i=0,nfaces=sj.faces.length; i!==nfaces; i++){ + + // Construct world face vertices + var verts = [ sj.worldVertices[ sj.faces[i][0] ] ]; + var normal = sj.worldFaceNormals[i]; + + // Check how much the particle penetrates the polygon plane. + xi.vsub(verts[0],convexParticle_vertexToParticle); + var penetration = -normal.dot(convexParticle_vertexToParticle); + if(minPenetration===null || Math.abs(penetration) data.length || iMinY > data[0].length){ + return; + } + + // Clamp index to edges + if(iMinX < 0){ iMinX = 0; } + if(iMaxX < 0){ iMaxX = 0; } + if(iMinY < 0){ iMinY = 0; } + if(iMaxY < 0){ iMaxY = 0; } + if(iMinX >= data.length){ iMinX = data.length - 1; } + if(iMaxX >= data.length){ iMaxX = data.length - 1; } + if(iMaxY >= data[0].length){ iMaxY = data[0].length - 1; } + if(iMinY >= data[0].length){ iMinY = data[0].length - 1; } + + var minMax = []; + hfShape.getRectMinMax(iMinX, iMinY, iMaxX, iMaxY, minMax); + var min = minMax[0]; + var max = minMax[1]; + + // Bail out if we're cant touch the bounding height box + if(localConvexPos.z - radius > max || localConvexPos.z + radius < min){ + return; + } + + for(var i = iMinX; i < iMaxX; i++){ + for(var j = iMinY; j < iMaxY; j++){ + + // Lower triangle + hfShape.getConvexTrianglePillar(i, j, false); + Transform.pointToWorldFrame(hfPos, hfQuat, hfShape.pillarOffset, worldPillarOffset); + if (convexPos.distanceTo(worldPillarOffset) < hfShape.pillarConvex.boundingSphereRadius + convexShape.boundingSphereRadius) { + this.convexConvex(convexShape, hfShape.pillarConvex, convexPos, worldPillarOffset, convexQuat, hfQuat, convexBody, hfBody, null, null, faceList, null); + } + + // Upper triangle + hfShape.getConvexTrianglePillar(i, j, true); + Transform.pointToWorldFrame(hfPos, hfQuat, hfShape.pillarOffset, worldPillarOffset); + if (convexPos.distanceTo(worldPillarOffset) < hfShape.pillarConvex.boundingSphereRadius + convexShape.boundingSphereRadius) { + this.convexConvex(convexShape, hfShape.pillarConvex, convexPos, worldPillarOffset, convexQuat, hfQuat, convexBody, hfBody, null, null, faceList, null); + } + } + } +}; + +var sphereHeightfield_tmp1 = new Vec3(); +var sphereHeightfield_tmp2 = new Vec3(); + +/** + * @method sphereHeightfield + */ +Narrowphase.prototype[Shape.types.SPHERE | Shape.types.HEIGHTFIELD] = +Narrowphase.prototype.sphereHeightfield = function ( + sphereShape, + hfShape, + spherePos, + hfPos, + sphereQuat, + hfQuat, + sphereBody, + hfBody +){ + var data = hfShape.data, + radius = sphereShape.radius, + w = hfShape.elementSize, + worldPillarOffset = sphereHeightfield_tmp2; + + // Get sphere position to heightfield local! + var localSpherePos = sphereHeightfield_tmp1; + Transform.pointToLocalFrame(hfPos, hfQuat, spherePos, localSpherePos); + + // Get the index of the data points to test against + var iMinX = Math.floor((localSpherePos.x - radius) / w) - 1, + iMaxX = Math.ceil((localSpherePos.x + radius) / w) + 1, + iMinY = Math.floor((localSpherePos.y - radius) / w) - 1, + iMaxY = Math.ceil((localSpherePos.y + radius) / w) + 1; + + // Bail out if we are out of the terrain + if(iMaxX < 0 || iMaxY < 0 || iMinX > data.length || iMaxY > data[0].length){ + return; + } + + // Clamp index to edges + if(iMinX < 0){ iMinX = 0; } + if(iMaxX < 0){ iMaxX = 0; } + if(iMinY < 0){ iMinY = 0; } + if(iMaxY < 0){ iMaxY = 0; } + if(iMinX >= data.length){ iMinX = data.length - 1; } + if(iMaxX >= data.length){ iMaxX = data.length - 1; } + if(iMaxY >= data[0].length){ iMaxY = data[0].length - 1; } + if(iMinY >= data[0].length){ iMinY = data[0].length - 1; } + + var minMax = []; + hfShape.getRectMinMax(iMinX, iMinY, iMaxX, iMaxY, minMax); + var min = minMax[0]; + var max = minMax[1]; + + // Bail out if we're cant touch the bounding height box + if(localSpherePos.z - radius > max || localSpherePos.z + radius < min){ + return; + } + + var result = this.result; + for(var i = iMinX; i < iMaxX; i++){ + for(var j = iMinY; j < iMaxY; j++){ + + var numContactsBefore = result.length; + + // Lower triangle + hfShape.getConvexTrianglePillar(i, j, false); + Transform.pointToWorldFrame(hfPos, hfQuat, hfShape.pillarOffset, worldPillarOffset); + if (spherePos.distanceTo(worldPillarOffset) < hfShape.pillarConvex.boundingSphereRadius + sphereShape.boundingSphereRadius) { + this.sphereConvex(sphereShape, hfShape.pillarConvex, spherePos, worldPillarOffset, sphereQuat, hfQuat, sphereBody, hfBody); + } + + // Upper triangle + hfShape.getConvexTrianglePillar(i, j, true); + Transform.pointToWorldFrame(hfPos, hfQuat, hfShape.pillarOffset, worldPillarOffset); + if (spherePos.distanceTo(worldPillarOffset) < hfShape.pillarConvex.boundingSphereRadius + sphereShape.boundingSphereRadius) { + this.sphereConvex(sphereShape, hfShape.pillarConvex, spherePos, worldPillarOffset, sphereQuat, hfQuat, sphereBody, hfBody); + } + + var numContacts = result.length - numContactsBefore; + + if(numContacts > 2){ + return; + } + /* + // Skip all but 1 + for (var k = 0; k < numContacts - 1; k++) { + result.pop(); + } + */ + } + } +}; + +},{"../collision/AABB":3,"../collision/Ray":9,"../equations/ContactEquation":19,"../equations/FrictionEquation":21,"../math/Quaternion":28,"../math/Transform":29,"../math/Vec3":30,"../shapes/ConvexPolyhedron":38,"../shapes/Shape":43,"../solver/Solver":47,"../utils/Vec3Pool":54}],56:[function(_dereq_,module,exports){ +/* global performance */ + +module.exports = World; + +var Shape = _dereq_('../shapes/Shape'); +var Vec3 = _dereq_('../math/Vec3'); +var Quaternion = _dereq_('../math/Quaternion'); +var GSSolver = _dereq_('../solver/GSSolver'); +var Vec3Pool = _dereq_('../utils/Vec3Pool'); +var ContactEquation = _dereq_('../equations/ContactEquation'); +var FrictionEquation = _dereq_('../equations/FrictionEquation'); +var Narrowphase = _dereq_('./Narrowphase'); +var EventTarget = _dereq_('../utils/EventTarget'); +var ArrayCollisionMatrix = _dereq_('../collision/ArrayCollisionMatrix'); +var Material = _dereq_('../material/Material'); +var ContactMaterial = _dereq_('../material/ContactMaterial'); +var Body = _dereq_('../objects/Body'); +var TupleDictionary = _dereq_('../utils/TupleDictionary'); +var RaycastResult = _dereq_('../collision/RaycastResult'); +var AABB = _dereq_('../collision/AABB'); +var Ray = _dereq_('../collision/Ray'); +var NaiveBroadphase = _dereq_('../collision/NaiveBroadphase'); + +/** + * The physics world + * @class World + * @constructor + * @extends EventTarget + */ +function World(){ + EventTarget.apply(this); + + /** + * Currently / last used timestep. Is set to -1 if not available. This value is updated before each internal step, which means that it is "fresh" inside event callbacks. + * @property {Number} dt + */ + this.dt = -1; + + /** + * Makes bodies go to sleep when they've been inactive + * @property allowSleep + * @type {Boolean} + */ + this.allowSleep = false; + + /** + * All the current contacts (instances of ContactEquation) in the world. + * @property contacts + * @type {Array} + */ + this.contacts = []; + this.frictionEquations = []; + + /** + * How often to normalize quaternions. Set to 0 for every step, 1 for every second etc.. A larger value increases performance. If bodies tend to explode, set to a smaller value (zero to be sure nothing can go wrong). + * @property quatNormalizeSkip + * @type {Number} + */ + this.quatNormalizeSkip = 0; + + /** + * Set to true to use fast quaternion normalization. It is often enough accurate to use. If bodies tend to explode, set to false. + * @property quatNormalizeFast + * @type {Boolean} + * @see Quaternion.normalizeFast + * @see Quaternion.normalize + */ + this.quatNormalizeFast = false; + + /** + * The wall-clock time since simulation start + * @property time + * @type {Number} + */ + this.time = 0.0; + + /** + * Number of timesteps taken since start + * @property stepnumber + * @type {Number} + */ + this.stepnumber = 0; + + /// Default and last timestep sizes + this.default_dt = 1/60; + + this.nextId = 0; + /** + * @property gravity + * @type {Vec3} + */ + this.gravity = new Vec3(); + + /** + * @property broadphase + * @type {Broadphase} + */ + this.broadphase = new NaiveBroadphase(); + + /** + * @property bodies + * @type {Array} + */ + this.bodies = []; + + /** + * @property solver + * @type {Solver} + */ + this.solver = new GSSolver(); + + /** + * @property constraints + * @type {Array} + */ + this.constraints = []; + + /** + * @property narrowphase + * @type {Narrowphase} + */ + this.narrowphase = new Narrowphase(this); + + /** + * @property {ArrayCollisionMatrix} collisionMatrix + * @type {ArrayCollisionMatrix} + */ + this.collisionMatrix = new ArrayCollisionMatrix(); + + /** + * CollisionMatrix from the previous step. + * @property {ArrayCollisionMatrix} collisionMatrixPrevious + * @type {ArrayCollisionMatrix} + */ + this.collisionMatrixPrevious = new ArrayCollisionMatrix(); + + /** + * All added materials + * @property materials + * @type {Array} + */ + this.materials = []; + + /** + * @property contactmaterials + * @type {Array} + */ + this.contactmaterials = []; + + /** + * Used to look up a ContactMaterial given two instances of Material. + * @property {TupleDictionary} contactMaterialTable + */ + this.contactMaterialTable = new TupleDictionary(); + + this.defaultMaterial = new Material("default"); + + /** + * This contact material is used if no suitable contactmaterial is found for a contact. + * @property defaultContactMaterial + * @type {ContactMaterial} + */ + this.defaultContactMaterial = new ContactMaterial(this.defaultMaterial, this.defaultMaterial, { friction: 0.3, restitution: 0.0 }); + + /** + * @property doProfiling + * @type {Boolean} + */ + this.doProfiling = false; + + /** + * @property profile + * @type {Object} + */ + this.profile = { + solve:0, + makeContactConstraints:0, + broadphase:0, + integrate:0, + narrowphase:0, + }; + + /** + * @property subsystems + * @type {Array} + */ + this.subsystems = []; + + this.addBodyEvent = { + type:"addBody", + body : null, + }; + + this.removeBodyEvent = { + type:"removeBody", + body : null, + }; +} +World.prototype = new EventTarget(); + +// Temp stuff +var tmpAABB1 = new AABB(); +var tmpArray1 = []; +var tmpRay = new Ray(); + +/** + * Get the contact material between materials m1 and m2 + * @method getContactMaterial + * @param {Material} m1 + * @param {Material} m2 + * @return {ContactMaterial} The contact material if it was found. + */ +World.prototype.getContactMaterial = function(m1,m2){ + return this.contactMaterialTable.get(m1.id,m2.id); //this.contactmaterials[this.mats2cmat[i+j*this.materials.length]]; +}; + +/** + * Get number of objects in the world. + * @method numObjects + * @return {Number} + * @deprecated + */ +World.prototype.numObjects = function(){ + return this.bodies.length; +}; + +/** + * Store old collision state info + * @method collisionMatrixTick + */ +World.prototype.collisionMatrixTick = function(){ + var temp = this.collisionMatrixPrevious; + this.collisionMatrixPrevious = this.collisionMatrix; + this.collisionMatrix = temp; + this.collisionMatrix.reset(); +}; + +/** + * Add a rigid body to the simulation. + * @method add + * @param {Body} body + * @todo If the simulation has not yet started, why recrete and copy arrays for each body? Accumulate in dynamic arrays in this case. + * @todo Adding an array of bodies should be possible. This would save some loops too + * @deprecated Use .addBody instead + */ +World.prototype.add = World.prototype.addBody = function(body){ + if(this.bodies.indexOf(body) !== -1){ + return; + } + body.index = this.bodies.length; + this.bodies.push(body); + body.world = this; + body.initPosition.copy(body.position); + body.initVelocity.copy(body.velocity); + body.timeLastSleepy = this.time; + if(body instanceof Body){ + body.initAngularVelocity.copy(body.angularVelocity); + body.initQuaternion.copy(body.quaternion); + } + this.collisionMatrix.setNumObjects(this.bodies.length); + this.addBodyEvent.body = body; + this.dispatchEvent(this.addBodyEvent); +}; + +/** + * Add a constraint to the simulation. + * @method addConstraint + * @param {Constraint} c + */ +World.prototype.addConstraint = function(c){ + this.constraints.push(c); +}; + +/** + * Removes a constraint + * @method removeConstraint + * @param {Constraint} c + */ +World.prototype.removeConstraint = function(c){ + var idx = this.constraints.indexOf(c); + if(idx!==-1){ + this.constraints.splice(idx,1); + } +}; + +/** + * Raycast test + * @method rayTest + * @param {Vec3} from + * @param {Vec3} to + * @param {Function|RaycastResult} result + * @deprecated Use .raycastAll, .raycastClosest or .raycastAny instead. + */ +World.prototype.rayTest = function(from, to, result){ + if(result instanceof RaycastResult){ + // Do raycastclosest + this.raycastClosest(from, to, { + skipBackfaces: true + }, result); + } else { + // Do raycastAll + this.raycastAll(from, to, { + skipBackfaces: true + }, result); + } +}; + +/** + * Ray cast against all bodies. The provided callback will be executed for each hit with a RaycastResult as single argument. + * @method raycastAll + * @param {Vec3} from + * @param {Vec3} to + * @param {Object} options + * @param {number} [options.collisionFilterMask=-1] + * @param {number} [options.collisionFilterGroup=-1] + * @param {boolean} [options.skipBackfaces=false] + * @param {boolean} [options.checkCollisionResponse=true] + * @param {Function} callback + * @return {boolean} True if any body was hit. + */ +World.prototype.raycastAll = function(from, to, options, callback){ + options.mode = Ray.ALL; + options.from = from; + options.to = to; + options.callback = callback; + return tmpRay.intersectWorld(this, options); +}; + +/** + * Ray cast, and stop at the first result. Note that the order is random - but the method is fast. + * @method raycastAny + * @param {Vec3} from + * @param {Vec3} to + * @param {Object} options + * @param {number} [options.collisionFilterMask=-1] + * @param {number} [options.collisionFilterGroup=-1] + * @param {boolean} [options.skipBackfaces=false] + * @param {boolean} [options.checkCollisionResponse=true] + * @param {RaycastResult} result + * @return {boolean} True if any body was hit. + */ +World.prototype.raycastAny = function(from, to, options, result){ + options.mode = Ray.ANY; + options.from = from; + options.to = to; + options.result = result; + return tmpRay.intersectWorld(this, options); +}; + +/** + * Ray cast, and return information of the closest hit. + * @method raycastClosest + * @param {Vec3} from + * @param {Vec3} to + * @param {Object} options + * @param {number} [options.collisionFilterMask=-1] + * @param {number} [options.collisionFilterGroup=-1] + * @param {boolean} [options.skipBackfaces=false] + * @param {boolean} [options.checkCollisionResponse=true] + * @param {RaycastResult} result + * @return {boolean} True if any body was hit. + */ +World.prototype.raycastClosest = function(from, to, options, result){ + options.mode = Ray.CLOSEST; + options.from = from; + options.to = to; + options.result = result; + return tmpRay.intersectWorld(this, options); +}; + +/** + * Remove a rigid body from the simulation. + * @method remove + * @param {Body} body + * @deprecated Use .removeBody instead + */ +World.prototype.remove = function(body){ + body.world = null; + var n = this.bodies.length-1, + bodies = this.bodies, + idx = bodies.indexOf(body); + if(idx !== -1){ + bodies.splice(idx, 1); // Todo: should use a garbage free method + + // Recompute index + for(var i=0; i!==bodies.length; i++){ + bodies[i].index = i; + } + + this.collisionMatrix.setNumObjects(n); + this.removeBodyEvent.body = body; + this.dispatchEvent(this.removeBodyEvent); + } +}; + +/** + * Remove a rigid body from the simulation. + * @method removeBody + * @param {Body} body + */ +World.prototype.removeBody = World.prototype.remove; + +/** + * Adds a material to the World. + * @method addMaterial + * @param {Material} m + * @todo Necessary? + */ +World.prototype.addMaterial = function(m){ + this.materials.push(m); +}; + +/** + * Adds a contact material to the World + * @method addContactMaterial + * @param {ContactMaterial} cmat + */ +World.prototype.addContactMaterial = function(cmat) { + + // Add contact material + this.contactmaterials.push(cmat); + + // Add current contact material to the material table + this.contactMaterialTable.set(cmat.materials[0].id,cmat.materials[1].id,cmat); +}; + +// performance.now() +if(typeof performance === 'undefined'){ + performance = {}; +} +if(!performance.now){ + var nowOffset = Date.now(); + if (performance.timing && performance.timing.navigationStart){ + nowOffset = performance.timing.navigationStart; + } + performance.now = function(){ + return Date.now() - nowOffset; + }; +} + +var step_tmp1 = new Vec3(); + +/** + * Step the physics world forward in time. + * + * There are two modes. The simple mode is fixed timestepping without interpolation. In this case you only use the first argument. The second case uses interpolation. In that you also provide the time since the function was last used, as well as the maximum fixed timesteps to take. + * + * @method step + * @param {Number} dt The fixed time step size to use. + * @param {Number} [timeSinceLastCalled] The time elapsed since the function was last called. + * @param {Number} [maxSubSteps=10] Maximum number of fixed steps to take per function call. + * + * @example + * // fixed timestepping without interpolation + * world.step(1/60); + * + * @see http://bulletphysics.org/mediawiki-1.5.8/index.php/Stepping_The_World + */ +World.prototype.step = function(dt, timeSinceLastCalled, maxSubSteps){ + maxSubSteps = maxSubSteps || 10; + timeSinceLastCalled = timeSinceLastCalled || 0; + + if(timeSinceLastCalled === 0){ // Fixed, simple stepping + + this.internalStep(dt); + + // Increment time + this.time += dt; + + } else { + + // Compute the number of fixed steps we should have taken since the last step + var internalSteps = Math.floor((this.time + timeSinceLastCalled) / dt) - Math.floor(this.time / dt); + internalSteps = Math.min(internalSteps,maxSubSteps); + + // Do some fixed steps to catch up + var t0 = performance.now(); + for(var i=0; i!==internalSteps; i++){ + this.internalStep(dt); + if(performance.now() - t0 > dt * 1000){ + // We are slower than real-time. Better bail out. + break; + } + } + + // Increment internal clock + this.time += timeSinceLastCalled; + + // Compute "Left over" time step + var h = this.time % dt; + var h_div_dt = h / dt; + var interpvelo = step_tmp1; + var bodies = this.bodies; + + for(var j=0; j !== bodies.length; j++){ + var b = bodies[j]; + if(b.type !== Body.STATIC && b.sleepState !== Body.SLEEPING){ + + // Interpolate + b.position.vsub(b.previousPosition, interpvelo); + interpvelo.scale(h_div_dt, interpvelo); + b.position.vadd(interpvelo, b.interpolatedPosition); + + // TODO: interpolate quaternion + // b.interpolatedAngle = b.angle + (b.angle - b.previousAngle) * h_div_dt; + + } else { + + // For static bodies, just copy. Who else will do it? + b.interpolatedPosition.copy(b.position); + b.interpolatedQuaternion.copy(b.quaternion); + } + } + } +}; + +/** + * Step the simulation + * @method step + * @param {Number} dt + */ +var World_step_postStepEvent = {type:"postStep"}, // Reusable event objects to save memory + World_step_preStepEvent = {type:"preStep"}, + World_step_collideEvent = {type:"collide", body:null, contact:null }, + World_step_oldContacts = [], // Pools for unused objects + World_step_frictionEquationPool = [], + World_step_p1 = [], // Reusable arrays for collision pairs + World_step_p2 = [], + World_step_gvec = new Vec3(), // Temporary vectors and quats + World_step_vi = new Vec3(), + World_step_vj = new Vec3(), + World_step_wi = new Vec3(), + World_step_wj = new Vec3(), + World_step_t1 = new Vec3(), + World_step_t2 = new Vec3(), + World_step_rixn = new Vec3(), + World_step_rjxn = new Vec3(), + World_step_step_q = new Quaternion(), + World_step_step_w = new Quaternion(), + World_step_step_wq = new Quaternion(), + invI_tau_dt = new Vec3(); +World.prototype.internalStep = function(dt){ + this.dt = dt; + + var world = this, + that = this, + contacts = this.contacts, + p1 = World_step_p1, + p2 = World_step_p2, + N = this.numObjects(), + bodies = this.bodies, + solver = this.solver, + gravity = this.gravity, + doProfiling = this.doProfiling, + profile = this.profile, + DYNAMIC = Body.DYNAMIC, + profilingStart, + constraints = this.constraints, + frictionEquationPool = World_step_frictionEquationPool, + gnorm = gravity.norm(), + gx = gravity.x, + gy = gravity.y, + gz = gravity.z, + i=0; + + if(doProfiling){ + profilingStart = performance.now(); + } + + // Add gravity to all objects + for(i=0; i!==N; i++){ + var bi = bodies[i]; + if(bi.type & DYNAMIC){ // Only for dynamic bodies + var f = bi.force, m = bi.mass; + f.x += m*gx; + f.y += m*gy; + f.z += m*gz; + } + } + + // Update subsystems + for(var i=0, Nsubsystems=this.subsystems.length; i!==Nsubsystems; i++){ + this.subsystems[i].update(); + } + + // Collision detection + if(doProfiling){ profilingStart = performance.now(); } + p1.length = 0; // Clean up pair arrays from last step + p2.length = 0; + this.broadphase.collisionPairs(this,p1,p2); + if(doProfiling){ profile.broadphase = performance.now() - profilingStart; } + + // Remove constrained pairs with collideConnected == false + var Nconstraints = constraints.length; + for(i=0; i!==Nconstraints; i++){ + var c = constraints[i]; + if(!c.collideConnected){ + for(var j = p1.length-1; j>=0; j-=1){ + if( (c.bodyA === p1[j] && c.bodyB === p2[j]) || + (c.bodyB === p1[j] && c.bodyA === p2[j])){ + p1.splice(j, 1); + p2.splice(j, 1); + } + } + } + } + + this.collisionMatrixTick(); + + // Generate contacts + if(doProfiling){ profilingStart = performance.now(); } + var oldcontacts = World_step_oldContacts; + var NoldContacts = contacts.length; + + for(i=0; i!==NoldContacts; i++){ + oldcontacts.push(contacts[i]); + } + contacts.length = 0; + + // Transfer FrictionEquation from current list to the pool for reuse + var NoldFrictionEquations = this.frictionEquations.length; + for(i=0; i!==NoldFrictionEquations; i++){ + frictionEquationPool.push(this.frictionEquations[i]); + } + this.frictionEquations.length = 0; + + this.narrowphase.getContacts( + p1, + p2, + this, + contacts, + oldcontacts, // To be reused + this.frictionEquations, + frictionEquationPool + ); + + if(doProfiling){ + profile.narrowphase = performance.now() - profilingStart; + } + + // Loop over all collisions + if(doProfiling){ + profilingStart = performance.now(); + } + + // Add all friction eqs + for (var i = 0; i < this.frictionEquations.length; i++) { + solver.addEquation(this.frictionEquations[i]); + } + + var ncontacts = contacts.length; + for(var k=0; k!==ncontacts; k++){ + + // Current contact + var c = contacts[k]; + + // Get current collision indeces + var bi = c.bi, + bj = c.bj, + si = c.si, + sj = c.sj; + + // Get collision properties + var cm; + if(bi.material && bj.material){ + cm = this.getContactMaterial(bi.material,bj.material) || this.defaultContactMaterial; + } else { + cm = this.defaultContactMaterial; + } + + // c.enabled = bi.collisionResponse && bj.collisionResponse && si.collisionResponse && sj.collisionResponse; + + var mu = cm.friction; + // c.restitution = cm.restitution; + + // If friction or restitution were specified in the material, use them + if(bi.material && bj.material){ + if(bi.material.friction >= 0 && bj.material.friction >= 0){ + mu = bi.material.friction * bj.material.friction; + } + + if(bi.material.restitution >= 0 && bj.material.restitution >= 0){ + c.restitution = bi.material.restitution * bj.material.restitution; + } + } + + // c.setSpookParams( + // cm.contactEquationStiffness, + // cm.contactEquationRelaxation, + // dt + // ); + + solver.addEquation(c); + + // // Add friction constraint equation + // if(mu > 0){ + + // // Create 2 tangent equations + // var mug = mu * gnorm; + // var reducedMass = (bi.invMass + bj.invMass); + // if(reducedMass > 0){ + // reducedMass = 1/reducedMass; + // } + // var pool = frictionEquationPool; + // var c1 = pool.length ? pool.pop() : new FrictionEquation(bi,bj,mug*reducedMass); + // var c2 = pool.length ? pool.pop() : new FrictionEquation(bi,bj,mug*reducedMass); + // this.frictionEquations.push(c1, c2); + + // c1.bi = c2.bi = bi; + // c1.bj = c2.bj = bj; + // c1.minForce = c2.minForce = -mug*reducedMass; + // c1.maxForce = c2.maxForce = mug*reducedMass; + + // // Copy over the relative vectors + // c1.ri.copy(c.ri); + // c1.rj.copy(c.rj); + // c2.ri.copy(c.ri); + // c2.rj.copy(c.rj); + + // // Construct tangents + // c.ni.tangents(c1.t, c2.t); + + // // Set spook params + // c1.setSpookParams(cm.frictionEquationStiffness, cm.frictionEquationRelaxation, dt); + // c2.setSpookParams(cm.frictionEquationStiffness, cm.frictionEquationRelaxation, dt); + + // c1.enabled = c2.enabled = c.enabled; + + // // Add equations to solver + // solver.addEquation(c1); + // solver.addEquation(c2); + // } + + if( bi.allowSleep && + bi.type === Body.DYNAMIC && + bi.sleepState === Body.SLEEPING && + bj.sleepState === Body.AWAKE && + bj.type !== Body.STATIC + ){ + var speedSquaredB = bj.velocity.norm2() + bj.angularVelocity.norm2(); + var speedLimitSquaredB = Math.pow(bj.sleepSpeedLimit,2); + if(speedSquaredB >= speedLimitSquaredB*2){ + bi._wakeUpAfterNarrowphase = true; + } + } + + if( bj.allowSleep && + bj.type === Body.DYNAMIC && + bj.sleepState === Body.SLEEPING && + bi.sleepState === Body.AWAKE && + bi.type !== Body.STATIC + ){ + var speedSquaredA = bi.velocity.norm2() + bi.angularVelocity.norm2(); + var speedLimitSquaredA = Math.pow(bi.sleepSpeedLimit,2); + if(speedSquaredA >= speedLimitSquaredA*2){ + bj._wakeUpAfterNarrowphase = true; + } + } + + // Now we know that i and j are in contact. Set collision matrix state + this.collisionMatrix.set(bi, bj, true); + + if (!this.collisionMatrixPrevious.get(bi, bj)) { + // First contact! + // We reuse the collideEvent object, otherwise we will end up creating new objects for each new contact, even if there's no event listener attached. + World_step_collideEvent.body = bj; + World_step_collideEvent.contact = c; + bi.dispatchEvent(World_step_collideEvent); + + World_step_collideEvent.body = bi; + bj.dispatchEvent(World_step_collideEvent); + } + } + if(doProfiling){ + profile.makeContactConstraints = performance.now() - profilingStart; + profilingStart = performance.now(); + } + + // Wake up bodies + for(i=0; i!==N; i++){ + var bi = bodies[i]; + if(bi._wakeUpAfterNarrowphase){ + bi.wakeUp(); + bi._wakeUpAfterNarrowphase = false; + } + } + + // Add user-added constraints + var Nconstraints = constraints.length; + for(i=0; i!==Nconstraints; i++){ + var c = constraints[i]; + c.update(); + for(var j=0, Neq=c.equations.length; j!==Neq; j++){ + var eq = c.equations[j]; + solver.addEquation(eq); + } + } + + // Solve the constrained system + solver.solve(dt,this); + + if(doProfiling){ + profile.solve = performance.now() - profilingStart; + } + + // Remove all contacts from solver + solver.removeAllEquations(); + + // Apply damping, see http://code.google.com/p/bullet/issues/detail?id=74 for details + var pow = Math.pow; + for(i=0; i!==N; i++){ + var bi = bodies[i]; + if(bi.type & DYNAMIC){ // Only for dynamic bodies + var ld = pow(1.0 - bi.linearDamping,dt); + var v = bi.velocity; + v.mult(ld,v); + var av = bi.angularVelocity; + if(av){ + var ad = pow(1.0 - bi.angularDamping,dt); + av.mult(ad,av); + } + } + } + + this.dispatchEvent(World_step_preStepEvent); + + // Invoke pre-step callbacks + for(i=0; i!==N; i++){ + var bi = bodies[i]; + if(bi.preStep){ + bi.preStep.call(bi); + } + } + + // Leap frog + // vnew = v + h*f/m + // xnew = x + h*vnew + if(doProfiling){ + profilingStart = performance.now(); + } + var q = World_step_step_q; + var w = World_step_step_w; + var wq = World_step_step_wq; + var stepnumber = this.stepnumber; + var DYNAMIC_OR_KINEMATIC = Body.DYNAMIC | Body.KINEMATIC; + var quatNormalize = stepnumber % (this.quatNormalizeSkip+1) === 0; + var quatNormalizeFast = this.quatNormalizeFast; + var half_dt = dt * 0.5; + var PLANE = Shape.types.PLANE, + CONVEX = Shape.types.CONVEXPOLYHEDRON; + + for(i=0; i!==N; i++){ + var b = bodies[i], + force = b.force, + tau = b.torque; + if((b.type & DYNAMIC_OR_KINEMATIC) && b.sleepState !== Body.SLEEPING){ // Only for dynamic + var velo = b.velocity, + angularVelo = b.angularVelocity, + pos = b.position, + quat = b.quaternion, + invMass = b.invMass, + invInertia = b.invInertiaWorld; + + velo.x += force.x * invMass * dt; + velo.y += force.y * invMass * dt; + velo.z += force.z * invMass * dt; + + if(b.angularVelocity){ + invInertia.vmult(tau,invI_tau_dt); + invI_tau_dt.mult(dt,invI_tau_dt); + invI_tau_dt.vadd(angularVelo,angularVelo); + } + + // Use new velocity - leap frog + pos.x += velo.x * dt; + pos.y += velo.y * dt; + pos.z += velo.z * dt; + + if(b.angularVelocity){ + w.set(angularVelo.x, angularVelo.y, angularVelo.z, 0); + w.mult(quat,wq); + quat.x += half_dt * wq.x; + quat.y += half_dt * wq.y; + quat.z += half_dt * wq.z; + quat.w += half_dt * wq.w; + if(quatNormalize){ + if(quatNormalizeFast){ + quat.normalizeFast(); + } else { + quat.normalize(); + } + } + } + + if(b.aabb){ + b.aabbNeedsUpdate = true; + } + + // Update world inertia + if(b.updateInertiaWorld){ + b.updateInertiaWorld(); + } + } + } + this.clearForces(); + + this.broadphase.dirty = true; + + if(doProfiling){ + profile.integrate = performance.now() - profilingStart; + } + + // Update world time + this.time += dt; + this.stepnumber += 1; + + this.dispatchEvent(World_step_postStepEvent); + + // Invoke post-step callbacks + for(i=0; i!==N; i++){ + var bi = bodies[i]; + var postStep = bi.postStep; + if(postStep){ + postStep.call(bi); + } + } + + // Sleeping update + if(this.allowSleep){ + for(i=0; i!==N; i++){ + bodies[i].sleepTick(this.time); + } + } +}; + +/** + * Sets all body forces in the world to zero. + * @method clearForces + */ +World.prototype.clearForces = function(){ + var bodies = this.bodies; + var N = bodies.length; + for(var i=0; i !== N; i++){ + var b = bodies[i], + force = b.force, + tau = b.torque; + + b.force.set(0,0,0); + b.torque.set(0,0,0); + } +}; + +},{"../collision/AABB":3,"../collision/ArrayCollisionMatrix":4,"../collision/NaiveBroadphase":7,"../collision/Ray":9,"../collision/RaycastResult":10,"../equations/ContactEquation":19,"../equations/FrictionEquation":21,"../material/ContactMaterial":24,"../material/Material":25,"../math/Quaternion":28,"../math/Vec3":30,"../objects/Body":31,"../shapes/Shape":43,"../solver/GSSolver":46,"../utils/EventTarget":49,"../utils/TupleDictionary":52,"../utils/Vec3Pool":54,"./Narrowphase":55}]},{},[2]) +(2) +}); + +/***/ }), + +/***/ 184: +/***/ ((module, exports) => { + +var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*! + Copyright (c) 2018 Jed Watson. + Licensed under the MIT License (MIT), see + http://jedwatson.github.io/classnames +*/ +/* global define */ + +(function () { + 'use strict'; + + var hasOwn = {}.hasOwnProperty; + var nativeCodeString = '[native code]'; + + function classNames() { + var classes = []; + + for (var i = 0; i < arguments.length; i++) { + var arg = arguments[i]; + if (!arg) continue; + + var argType = typeof arg; + + if (argType === 'string' || argType === 'number') { + classes.push(arg); + } else if (Array.isArray(arg)) { + if (arg.length) { + var inner = classNames.apply(null, arg); + if (inner) { + classes.push(inner); + } + } + } else if (argType === 'object') { + if (arg.toString !== Object.prototype.toString && !arg.toString.toString().includes('[native code]')) { + classes.push(arg.toString()); + continue; + } + + for (var key in arg) { + if (hasOwn.call(arg, key) && arg[key]) { + classes.push(key); + } + } + } + } + + return classes.join(' '); + } + + if ( true && module.exports) { + classNames.default = classNames; + module.exports = classNames; + } else if (true) { + // register as 'classnames', consistent with npm package name + !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = (function () { + return classNames; + }).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__), + __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); + } else {} +}()); + + +/***/ }), + +/***/ 797: +/***/ ((module, exports, __webpack_require__) => { + +var __WEBPACK_AMD_DEFINE_RESULT__;/*! Hammer.JS - v2.0.7 - 2016-04-22 + * http://hammerjs.github.io/ + * + * Copyright (c) 2016 Jorik Tangelder; + * Licensed under the MIT license */ +(function(window, document, exportName, undefined) { + 'use strict'; + +var VENDOR_PREFIXES = ['', 'webkit', 'Moz', 'MS', 'ms', 'o']; +var TEST_ELEMENT = document.createElement('div'); + +var TYPE_FUNCTION = 'function'; + +var round = Math.round; +var abs = Math.abs; +var now = Date.now; + +/** + * set a timeout with a given scope + * @param {Function} fn + * @param {Number} timeout + * @param {Object} context + * @returns {number} + */ +function setTimeoutContext(fn, timeout, context) { + return setTimeout(bindFn(fn, context), timeout); +} + +/** + * if the argument is an array, we want to execute the fn on each entry + * if it aint an array we don't want to do a thing. + * this is used by all the methods that accept a single and array argument. + * @param {*|Array} arg + * @param {String} fn + * @param {Object} [context] + * @returns {Boolean} + */ +function invokeArrayArg(arg, fn, context) { + if (Array.isArray(arg)) { + each(arg, context[fn], context); + return true; + } + return false; +} + +/** + * walk objects and arrays + * @param {Object} obj + * @param {Function} iterator + * @param {Object} context + */ +function each(obj, iterator, context) { + var i; + + if (!obj) { + return; + } + + if (obj.forEach) { + obj.forEach(iterator, context); + } else if (obj.length !== undefined) { + i = 0; + while (i < obj.length) { + iterator.call(context, obj[i], i, obj); + i++; + } + } else { + for (i in obj) { + obj.hasOwnProperty(i) && iterator.call(context, obj[i], i, obj); + } + } +} + +/** + * wrap a method with a deprecation warning and stack trace + * @param {Function} method + * @param {String} name + * @param {String} message + * @returns {Function} A new function wrapping the supplied method. + */ +function deprecate(method, name, message) { + var deprecationMessage = 'DEPRECATED METHOD: ' + name + '\n' + message + ' AT \n'; + return function() { + var e = new Error('get-stack-trace'); + var stack = e && e.stack ? e.stack.replace(/^[^\(]+?[\n$]/gm, '') + .replace(/^\s+at\s+/gm, '') + .replace(/^Object.\s*\(/gm, '{anonymous}()@') : 'Unknown Stack Trace'; + + var log = window.console && (window.console.warn || window.console.log); + if (log) { + log.call(window.console, deprecationMessage, stack); + } + return method.apply(this, arguments); + }; +} + +/** + * extend object. + * means that properties in dest will be overwritten by the ones in src. + * @param {Object} target + * @param {...Object} objects_to_assign + * @returns {Object} target + */ +var assign; +if (typeof Object.assign !== 'function') { + assign = function assign(target) { + if (target === undefined || target === null) { + throw new TypeError('Cannot convert undefined or null to object'); + } + + var output = Object(target); + for (var index = 1; index < arguments.length; index++) { + var source = arguments[index]; + if (source !== undefined && source !== null) { + for (var nextKey in source) { + if (source.hasOwnProperty(nextKey)) { + output[nextKey] = source[nextKey]; + } + } + } + } + return output; + }; +} else { + assign = Object.assign; +} + +/** + * extend object. + * means that properties in dest will be overwritten by the ones in src. + * @param {Object} dest + * @param {Object} src + * @param {Boolean} [merge=false] + * @returns {Object} dest + */ +var extend = deprecate(function extend(dest, src, merge) { + var keys = Object.keys(src); + var i = 0; + while (i < keys.length) { + if (!merge || (merge && dest[keys[i]] === undefined)) { + dest[keys[i]] = src[keys[i]]; + } + i++; + } + return dest; +}, 'extend', 'Use `assign`.'); + +/** + * merge the values from src in the dest. + * means that properties that exist in dest will not be overwritten by src + * @param {Object} dest + * @param {Object} src + * @returns {Object} dest + */ +var merge = deprecate(function merge(dest, src) { + return extend(dest, src, true); +}, 'merge', 'Use `assign`.'); + +/** + * simple class inheritance + * @param {Function} child + * @param {Function} base + * @param {Object} [properties] + */ +function inherit(child, base, properties) { + var baseP = base.prototype, + childP; + + childP = child.prototype = Object.create(baseP); + childP.constructor = child; + childP._super = baseP; + + if (properties) { + assign(childP, properties); + } +} + +/** + * simple function bind + * @param {Function} fn + * @param {Object} context + * @returns {Function} + */ +function bindFn(fn, context) { + return function boundFn() { + return fn.apply(context, arguments); + }; +} + +/** + * let a boolean value also be a function that must return a boolean + * this first item in args will be used as the context + * @param {Boolean|Function} val + * @param {Array} [args] + * @returns {Boolean} + */ +function boolOrFn(val, args) { + if (typeof val == TYPE_FUNCTION) { + return val.apply(args ? args[0] || undefined : undefined, args); + } + return val; +} + +/** + * use the val2 when val1 is undefined + * @param {*} val1 + * @param {*} val2 + * @returns {*} + */ +function ifUndefined(val1, val2) { + return (val1 === undefined) ? val2 : val1; +} + +/** + * addEventListener with multiple events at once + * @param {EventTarget} target + * @param {String} types + * @param {Function} handler + */ +function addEventListeners(target, types, handler) { + each(splitStr(types), function(type) { + target.addEventListener(type, handler, false); + }); +} + +/** + * removeEventListener with multiple events at once + * @param {EventTarget} target + * @param {String} types + * @param {Function} handler + */ +function removeEventListeners(target, types, handler) { + each(splitStr(types), function(type) { + target.removeEventListener(type, handler, false); + }); +} + +/** + * find if a node is in the given parent + * @method hasParent + * @param {HTMLElement} node + * @param {HTMLElement} parent + * @return {Boolean} found + */ +function hasParent(node, parent) { + while (node) { + if (node == parent) { + return true; + } + node = node.parentNode; + } + return false; +} + +/** + * small indexOf wrapper + * @param {String} str + * @param {String} find + * @returns {Boolean} found + */ +function inStr(str, find) { + return str.indexOf(find) > -1; +} + +/** + * split string on whitespace + * @param {String} str + * @returns {Array} words + */ +function splitStr(str) { + return str.trim().split(/\s+/g); +} + +/** + * find if a array contains the object using indexOf or a simple polyFill + * @param {Array} src + * @param {String} find + * @param {String} [findByKey] + * @return {Boolean|Number} false when not found, or the index + */ +function inArray(src, find, findByKey) { + if (src.indexOf && !findByKey) { + return src.indexOf(find); + } else { + var i = 0; + while (i < src.length) { + if ((findByKey && src[i][findByKey] == find) || (!findByKey && src[i] === find)) { + return i; + } + i++; + } + return -1; + } +} + +/** + * convert array-like objects to real arrays + * @param {Object} obj + * @returns {Array} + */ +function toArray(obj) { + return Array.prototype.slice.call(obj, 0); +} + +/** + * unique array with objects based on a key (like 'id') or just by the array's value + * @param {Array} src [{id:1},{id:2},{id:1}] + * @param {String} [key] + * @param {Boolean} [sort=False] + * @returns {Array} [{id:1},{id:2}] + */ +function uniqueArray(src, key, sort) { + var results = []; + var values = []; + var i = 0; + + while (i < src.length) { + var val = key ? src[i][key] : src[i]; + if (inArray(values, val) < 0) { + results.push(src[i]); + } + values[i] = val; + i++; + } + + if (sort) { + if (!key) { + results = results.sort(); + } else { + results = results.sort(function sortUniqueArray(a, b) { + return a[key] > b[key]; + }); + } + } + + return results; +} + +/** + * get the prefixed property + * @param {Object} obj + * @param {String} property + * @returns {String|Undefined} prefixed + */ +function prefixed(obj, property) { + var prefix, prop; + var camelProp = property[0].toUpperCase() + property.slice(1); + + var i = 0; + while (i < VENDOR_PREFIXES.length) { + prefix = VENDOR_PREFIXES[i]; + prop = (prefix) ? prefix + camelProp : property; + + if (prop in obj) { + return prop; + } + i++; + } + return undefined; +} + +/** + * get a unique id + * @returns {number} uniqueId + */ +var _uniqueId = 1; +function uniqueId() { + return _uniqueId++; +} + +/** + * get the window object of an element + * @param {HTMLElement} element + * @returns {DocumentView|Window} + */ +function getWindowForElement(element) { + var doc = element.ownerDocument || element; + return (doc.defaultView || doc.parentWindow || window); +} + +var MOBILE_REGEX = /mobile|tablet|ip(ad|hone|od)|android/i; + +var SUPPORT_TOUCH = ('ontouchstart' in window); +var SUPPORT_POINTER_EVENTS = prefixed(window, 'PointerEvent') !== undefined; +var SUPPORT_ONLY_TOUCH = SUPPORT_TOUCH && MOBILE_REGEX.test(navigator.userAgent); + +var INPUT_TYPE_TOUCH = 'touch'; +var INPUT_TYPE_PEN = 'pen'; +var INPUT_TYPE_MOUSE = 'mouse'; +var INPUT_TYPE_KINECT = 'kinect'; + +var COMPUTE_INTERVAL = 25; + +var INPUT_START = 1; +var INPUT_MOVE = 2; +var INPUT_END = 4; +var INPUT_CANCEL = 8; + +var DIRECTION_NONE = 1; +var DIRECTION_LEFT = 2; +var DIRECTION_RIGHT = 4; +var DIRECTION_UP = 8; +var DIRECTION_DOWN = 16; + +var DIRECTION_HORIZONTAL = DIRECTION_LEFT | DIRECTION_RIGHT; +var DIRECTION_VERTICAL = DIRECTION_UP | DIRECTION_DOWN; +var DIRECTION_ALL = DIRECTION_HORIZONTAL | DIRECTION_VERTICAL; + +var PROPS_XY = ['x', 'y']; +var PROPS_CLIENT_XY = ['clientX', 'clientY']; + +/** + * create new input type manager + * @param {Manager} manager + * @param {Function} callback + * @returns {Input} + * @constructor + */ +function Input(manager, callback) { + var self = this; + this.manager = manager; + this.callback = callback; + this.element = manager.element; + this.target = manager.options.inputTarget; + + // smaller wrapper around the handler, for the scope and the enabled state of the manager, + // so when disabled the input events are completely bypassed. + this.domHandler = function(ev) { + if (boolOrFn(manager.options.enable, [manager])) { + self.handler(ev); + } + }; + + this.init(); + +} + +Input.prototype = { + /** + * should handle the inputEvent data and trigger the callback + * @virtual + */ + handler: function() { }, + + /** + * bind the events + */ + init: function() { + this.evEl && addEventListeners(this.element, this.evEl, this.domHandler); + this.evTarget && addEventListeners(this.target, this.evTarget, this.domHandler); + this.evWin && addEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler); + }, + + /** + * unbind the events + */ + destroy: function() { + this.evEl && removeEventListeners(this.element, this.evEl, this.domHandler); + this.evTarget && removeEventListeners(this.target, this.evTarget, this.domHandler); + this.evWin && removeEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler); + } +}; + +/** + * create new input type manager + * called by the Manager constructor + * @param {Hammer} manager + * @returns {Input} + */ +function createInputInstance(manager) { + var Type; + var inputClass = manager.options.inputClass; + + if (inputClass) { + Type = inputClass; + } else if (SUPPORT_POINTER_EVENTS) { + Type = PointerEventInput; + } else if (SUPPORT_ONLY_TOUCH) { + Type = TouchInput; + } else if (!SUPPORT_TOUCH) { + Type = MouseInput; + } else { + Type = TouchMouseInput; + } + return new (Type)(manager, inputHandler); +} + +/** + * handle input events + * @param {Manager} manager + * @param {String} eventType + * @param {Object} input + */ +function inputHandler(manager, eventType, input) { + var pointersLen = input.pointers.length; + var changedPointersLen = input.changedPointers.length; + var isFirst = (eventType & INPUT_START && (pointersLen - changedPointersLen === 0)); + var isFinal = (eventType & (INPUT_END | INPUT_CANCEL) && (pointersLen - changedPointersLen === 0)); + + input.isFirst = !!isFirst; + input.isFinal = !!isFinal; + + if (isFirst) { + manager.session = {}; + } + + // source event is the normalized value of the domEvents + // like 'touchstart, mouseup, pointerdown' + input.eventType = eventType; + + // compute scale, rotation etc + computeInputData(manager, input); + + // emit secret event + manager.emit('hammer.input', input); + + manager.recognize(input); + manager.session.prevInput = input; +} + +/** + * extend the data with some usable properties like scale, rotate, velocity etc + * @param {Object} manager + * @param {Object} input + */ +function computeInputData(manager, input) { + var session = manager.session; + var pointers = input.pointers; + var pointersLength = pointers.length; + + // store the first input to calculate the distance and direction + if (!session.firstInput) { + session.firstInput = simpleCloneInputData(input); + } + + // to compute scale and rotation we need to store the multiple touches + if (pointersLength > 1 && !session.firstMultiple) { + session.firstMultiple = simpleCloneInputData(input); + } else if (pointersLength === 1) { + session.firstMultiple = false; + } + + var firstInput = session.firstInput; + var firstMultiple = session.firstMultiple; + var offsetCenter = firstMultiple ? firstMultiple.center : firstInput.center; + + var center = input.center = getCenter(pointers); + input.timeStamp = now(); + input.deltaTime = input.timeStamp - firstInput.timeStamp; + + input.angle = getAngle(offsetCenter, center); + input.distance = getDistance(offsetCenter, center); + + computeDeltaXY(session, input); + input.offsetDirection = getDirection(input.deltaX, input.deltaY); + + var overallVelocity = getVelocity(input.deltaTime, input.deltaX, input.deltaY); + input.overallVelocityX = overallVelocity.x; + input.overallVelocityY = overallVelocity.y; + input.overallVelocity = (abs(overallVelocity.x) > abs(overallVelocity.y)) ? overallVelocity.x : overallVelocity.y; + + input.scale = firstMultiple ? getScale(firstMultiple.pointers, pointers) : 1; + input.rotation = firstMultiple ? getRotation(firstMultiple.pointers, pointers) : 0; + + input.maxPointers = !session.prevInput ? input.pointers.length : ((input.pointers.length > + session.prevInput.maxPointers) ? input.pointers.length : session.prevInput.maxPointers); + + computeIntervalInputData(session, input); + + // find the correct target + var target = manager.element; + if (hasParent(input.srcEvent.target, target)) { + target = input.srcEvent.target; + } + input.target = target; +} + +function computeDeltaXY(session, input) { + var center = input.center; + var offset = session.offsetDelta || {}; + var prevDelta = session.prevDelta || {}; + var prevInput = session.prevInput || {}; + + if (input.eventType === INPUT_START || prevInput.eventType === INPUT_END) { + prevDelta = session.prevDelta = { + x: prevInput.deltaX || 0, + y: prevInput.deltaY || 0 + }; + + offset = session.offsetDelta = { + x: center.x, + y: center.y + }; + } + + input.deltaX = prevDelta.x + (center.x - offset.x); + input.deltaY = prevDelta.y + (center.y - offset.y); +} + +/** + * velocity is calculated every x ms + * @param {Object} session + * @param {Object} input + */ +function computeIntervalInputData(session, input) { + var last = session.lastInterval || input, + deltaTime = input.timeStamp - last.timeStamp, + velocity, velocityX, velocityY, direction; + + if (input.eventType != INPUT_CANCEL && (deltaTime > COMPUTE_INTERVAL || last.velocity === undefined)) { + var deltaX = input.deltaX - last.deltaX; + var deltaY = input.deltaY - last.deltaY; + + var v = getVelocity(deltaTime, deltaX, deltaY); + velocityX = v.x; + velocityY = v.y; + velocity = (abs(v.x) > abs(v.y)) ? v.x : v.y; + direction = getDirection(deltaX, deltaY); + + session.lastInterval = input; + } else { + // use latest velocity info if it doesn't overtake a minimum period + velocity = last.velocity; + velocityX = last.velocityX; + velocityY = last.velocityY; + direction = last.direction; + } + + input.velocity = velocity; + input.velocityX = velocityX; + input.velocityY = velocityY; + input.direction = direction; +} + +/** + * create a simple clone from the input used for storage of firstInput and firstMultiple + * @param {Object} input + * @returns {Object} clonedInputData + */ +function simpleCloneInputData(input) { + // make a simple copy of the pointers because we will get a reference if we don't + // we only need clientXY for the calculations + var pointers = []; + var i = 0; + while (i < input.pointers.length) { + pointers[i] = { + clientX: round(input.pointers[i].clientX), + clientY: round(input.pointers[i].clientY) + }; + i++; + } + + return { + timeStamp: now(), + pointers: pointers, + center: getCenter(pointers), + deltaX: input.deltaX, + deltaY: input.deltaY + }; +} + +/** + * get the center of all the pointers + * @param {Array} pointers + * @return {Object} center contains `x` and `y` properties + */ +function getCenter(pointers) { + var pointersLength = pointers.length; + + // no need to loop when only one touch + if (pointersLength === 1) { + return { + x: round(pointers[0].clientX), + y: round(pointers[0].clientY) + }; + } + + var x = 0, y = 0, i = 0; + while (i < pointersLength) { + x += pointers[i].clientX; + y += pointers[i].clientY; + i++; + } + + return { + x: round(x / pointersLength), + y: round(y / pointersLength) + }; +} + +/** + * calculate the velocity between two points. unit is in px per ms. + * @param {Number} deltaTime + * @param {Number} x + * @param {Number} y + * @return {Object} velocity `x` and `y` + */ +function getVelocity(deltaTime, x, y) { + return { + x: x / deltaTime || 0, + y: y / deltaTime || 0 + }; +} + +/** + * get the direction between two points + * @param {Number} x + * @param {Number} y + * @return {Number} direction + */ +function getDirection(x, y) { + if (x === y) { + return DIRECTION_NONE; + } + + if (abs(x) >= abs(y)) { + return x < 0 ? DIRECTION_LEFT : DIRECTION_RIGHT; + } + return y < 0 ? DIRECTION_UP : DIRECTION_DOWN; +} + +/** + * calculate the absolute distance between two points + * @param {Object} p1 {x, y} + * @param {Object} p2 {x, y} + * @param {Array} [props] containing x and y keys + * @return {Number} distance + */ +function getDistance(p1, p2, props) { + if (!props) { + props = PROPS_XY; + } + var x = p2[props[0]] - p1[props[0]], + y = p2[props[1]] - p1[props[1]]; + + return Math.sqrt((x * x) + (y * y)); +} + +/** + * calculate the angle between two coordinates + * @param {Object} p1 + * @param {Object} p2 + * @param {Array} [props] containing x and y keys + * @return {Number} angle + */ +function getAngle(p1, p2, props) { + if (!props) { + props = PROPS_XY; + } + var x = p2[props[0]] - p1[props[0]], + y = p2[props[1]] - p1[props[1]]; + return Math.atan2(y, x) * 180 / Math.PI; +} + +/** + * calculate the rotation degrees between two pointersets + * @param {Array} start array of pointers + * @param {Array} end array of pointers + * @return {Number} rotation + */ +function getRotation(start, end) { + return getAngle(end[1], end[0], PROPS_CLIENT_XY) + getAngle(start[1], start[0], PROPS_CLIENT_XY); +} + +/** + * calculate the scale factor between two pointersets + * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out + * @param {Array} start array of pointers + * @param {Array} end array of pointers + * @return {Number} scale + */ +function getScale(start, end) { + return getDistance(end[0], end[1], PROPS_CLIENT_XY) / getDistance(start[0], start[1], PROPS_CLIENT_XY); +} + +var MOUSE_INPUT_MAP = { + mousedown: INPUT_START, + mousemove: INPUT_MOVE, + mouseup: INPUT_END +}; + +var MOUSE_ELEMENT_EVENTS = 'mousedown'; +var MOUSE_WINDOW_EVENTS = 'mousemove mouseup'; + +/** + * Mouse events input + * @constructor + * @extends Input + */ +function MouseInput() { + this.evEl = MOUSE_ELEMENT_EVENTS; + this.evWin = MOUSE_WINDOW_EVENTS; + + this.pressed = false; // mousedown state + + Input.apply(this, arguments); +} + +inherit(MouseInput, Input, { + /** + * handle mouse events + * @param {Object} ev + */ + handler: function MEhandler(ev) { + var eventType = MOUSE_INPUT_MAP[ev.type]; + + // on start we want to have the left mouse button down + if (eventType & INPUT_START && ev.button === 0) { + this.pressed = true; + } + + if (eventType & INPUT_MOVE && ev.which !== 1) { + eventType = INPUT_END; + } + + // mouse must be down + if (!this.pressed) { + return; + } + + if (eventType & INPUT_END) { + this.pressed = false; + } + + this.callback(this.manager, eventType, { + pointers: [ev], + changedPointers: [ev], + pointerType: INPUT_TYPE_MOUSE, + srcEvent: ev + }); + } +}); + +var POINTER_INPUT_MAP = { + pointerdown: INPUT_START, + pointermove: INPUT_MOVE, + pointerup: INPUT_END, + pointercancel: INPUT_CANCEL, + pointerout: INPUT_CANCEL +}; + +// in IE10 the pointer types is defined as an enum +var IE10_POINTER_TYPE_ENUM = { + 2: INPUT_TYPE_TOUCH, + 3: INPUT_TYPE_PEN, + 4: INPUT_TYPE_MOUSE, + 5: INPUT_TYPE_KINECT // see https://twitter.com/jacobrossi/status/480596438489890816 +}; + +var POINTER_ELEMENT_EVENTS = 'pointerdown'; +var POINTER_WINDOW_EVENTS = 'pointermove pointerup pointercancel'; + +// IE10 has prefixed support, and case-sensitive +if (window.MSPointerEvent && !window.PointerEvent) { + POINTER_ELEMENT_EVENTS = 'MSPointerDown'; + POINTER_WINDOW_EVENTS = 'MSPointerMove MSPointerUp MSPointerCancel'; +} + +/** + * Pointer events input + * @constructor + * @extends Input + */ +function PointerEventInput() { + this.evEl = POINTER_ELEMENT_EVENTS; + this.evWin = POINTER_WINDOW_EVENTS; + + Input.apply(this, arguments); + + this.store = (this.manager.session.pointerEvents = []); +} + +inherit(PointerEventInput, Input, { + /** + * handle mouse events + * @param {Object} ev + */ + handler: function PEhandler(ev) { + var store = this.store; + var removePointer = false; + + var eventTypeNormalized = ev.type.toLowerCase().replace('ms', ''); + var eventType = POINTER_INPUT_MAP[eventTypeNormalized]; + var pointerType = IE10_POINTER_TYPE_ENUM[ev.pointerType] || ev.pointerType; + + var isTouch = (pointerType == INPUT_TYPE_TOUCH); + + // get index of the event in the store + var storeIndex = inArray(store, ev.pointerId, 'pointerId'); + + // start and mouse must be down + if (eventType & INPUT_START && (ev.button === 0 || isTouch)) { + if (storeIndex < 0) { + store.push(ev); + storeIndex = store.length - 1; + } + } else if (eventType & (INPUT_END | INPUT_CANCEL)) { + removePointer = true; + } + + // it not found, so the pointer hasn't been down (so it's probably a hover) + if (storeIndex < 0) { + return; + } + + // update the event in the store + store[storeIndex] = ev; + + this.callback(this.manager, eventType, { + pointers: store, + changedPointers: [ev], + pointerType: pointerType, + srcEvent: ev + }); + + if (removePointer) { + // remove from the store + store.splice(storeIndex, 1); + } + } +}); + +var SINGLE_TOUCH_INPUT_MAP = { + touchstart: INPUT_START, + touchmove: INPUT_MOVE, + touchend: INPUT_END, + touchcancel: INPUT_CANCEL +}; + +var SINGLE_TOUCH_TARGET_EVENTS = 'touchstart'; +var SINGLE_TOUCH_WINDOW_EVENTS = 'touchstart touchmove touchend touchcancel'; + +/** + * Touch events input + * @constructor + * @extends Input + */ +function SingleTouchInput() { + this.evTarget = SINGLE_TOUCH_TARGET_EVENTS; + this.evWin = SINGLE_TOUCH_WINDOW_EVENTS; + this.started = false; + + Input.apply(this, arguments); +} + +inherit(SingleTouchInput, Input, { + handler: function TEhandler(ev) { + var type = SINGLE_TOUCH_INPUT_MAP[ev.type]; + + // should we handle the touch events? + if (type === INPUT_START) { + this.started = true; + } + + if (!this.started) { + return; + } + + var touches = normalizeSingleTouches.call(this, ev, type); + + // when done, reset the started state + if (type & (INPUT_END | INPUT_CANCEL) && touches[0].length - touches[1].length === 0) { + this.started = false; + } + + this.callback(this.manager, type, { + pointers: touches[0], + changedPointers: touches[1], + pointerType: INPUT_TYPE_TOUCH, + srcEvent: ev + }); + } +}); + +/** + * @this {TouchInput} + * @param {Object} ev + * @param {Number} type flag + * @returns {undefined|Array} [all, changed] + */ +function normalizeSingleTouches(ev, type) { + var all = toArray(ev.touches); + var changed = toArray(ev.changedTouches); + + if (type & (INPUT_END | INPUT_CANCEL)) { + all = uniqueArray(all.concat(changed), 'identifier', true); + } + + return [all, changed]; +} + +var TOUCH_INPUT_MAP = { + touchstart: INPUT_START, + touchmove: INPUT_MOVE, + touchend: INPUT_END, + touchcancel: INPUT_CANCEL +}; + +var TOUCH_TARGET_EVENTS = 'touchstart touchmove touchend touchcancel'; + +/** + * Multi-user touch events input + * @constructor + * @extends Input + */ +function TouchInput() { + this.evTarget = TOUCH_TARGET_EVENTS; + this.targetIds = {}; + + Input.apply(this, arguments); +} + +inherit(TouchInput, Input, { + handler: function MTEhandler(ev) { + var type = TOUCH_INPUT_MAP[ev.type]; + var touches = getTouches.call(this, ev, type); + if (!touches) { + return; + } + + this.callback(this.manager, type, { + pointers: touches[0], + changedPointers: touches[1], + pointerType: INPUT_TYPE_TOUCH, + srcEvent: ev + }); + } +}); + +/** + * @this {TouchInput} + * @param {Object} ev + * @param {Number} type flag + * @returns {undefined|Array} [all, changed] + */ +function getTouches(ev, type) { + var allTouches = toArray(ev.touches); + var targetIds = this.targetIds; + + // when there is only one touch, the process can be simplified + if (type & (INPUT_START | INPUT_MOVE) && allTouches.length === 1) { + targetIds[allTouches[0].identifier] = true; + return [allTouches, allTouches]; + } + + var i, + targetTouches, + changedTouches = toArray(ev.changedTouches), + changedTargetTouches = [], + target = this.target; + + // get target touches from touches + targetTouches = allTouches.filter(function(touch) { + return hasParent(touch.target, target); + }); + + // collect touches + if (type === INPUT_START) { + i = 0; + while (i < targetTouches.length) { + targetIds[targetTouches[i].identifier] = true; + i++; + } + } + + // filter changed touches to only contain touches that exist in the collected target ids + i = 0; + while (i < changedTouches.length) { + if (targetIds[changedTouches[i].identifier]) { + changedTargetTouches.push(changedTouches[i]); + } + + // cleanup removed touches + if (type & (INPUT_END | INPUT_CANCEL)) { + delete targetIds[changedTouches[i].identifier]; + } + i++; + } + + if (!changedTargetTouches.length) { + return; + } + + return [ + // merge targetTouches with changedTargetTouches so it contains ALL touches, including 'end' and 'cancel' + uniqueArray(targetTouches.concat(changedTargetTouches), 'identifier', true), + changedTargetTouches + ]; +} + +/** + * Combined touch and mouse input + * + * Touch has a higher priority then mouse, and while touching no mouse events are allowed. + * This because touch devices also emit mouse events while doing a touch. + * + * @constructor + * @extends Input + */ + +var DEDUP_TIMEOUT = 2500; +var DEDUP_DISTANCE = 25; + +function TouchMouseInput() { + Input.apply(this, arguments); + + var handler = bindFn(this.handler, this); + this.touch = new TouchInput(this.manager, handler); + this.mouse = new MouseInput(this.manager, handler); + + this.primaryTouch = null; + this.lastTouches = []; +} + +inherit(TouchMouseInput, Input, { + /** + * handle mouse and touch events + * @param {Hammer} manager + * @param {String} inputEvent + * @param {Object} inputData + */ + handler: function TMEhandler(manager, inputEvent, inputData) { + var isTouch = (inputData.pointerType == INPUT_TYPE_TOUCH), + isMouse = (inputData.pointerType == INPUT_TYPE_MOUSE); + + if (isMouse && inputData.sourceCapabilities && inputData.sourceCapabilities.firesTouchEvents) { + return; + } + + // when we're in a touch event, record touches to de-dupe synthetic mouse event + if (isTouch) { + recordTouches.call(this, inputEvent, inputData); + } else if (isMouse && isSyntheticEvent.call(this, inputData)) { + return; + } + + this.callback(manager, inputEvent, inputData); + }, + + /** + * remove the event listeners + */ + destroy: function destroy() { + this.touch.destroy(); + this.mouse.destroy(); + } +}); + +function recordTouches(eventType, eventData) { + if (eventType & INPUT_START) { + this.primaryTouch = eventData.changedPointers[0].identifier; + setLastTouch.call(this, eventData); + } else if (eventType & (INPUT_END | INPUT_CANCEL)) { + setLastTouch.call(this, eventData); + } +} + +function setLastTouch(eventData) { + var touch = eventData.changedPointers[0]; + + if (touch.identifier === this.primaryTouch) { + var lastTouch = {x: touch.clientX, y: touch.clientY}; + this.lastTouches.push(lastTouch); + var lts = this.lastTouches; + var removeLastTouch = function() { + var i = lts.indexOf(lastTouch); + if (i > -1) { + lts.splice(i, 1); + } + }; + setTimeout(removeLastTouch, DEDUP_TIMEOUT); + } +} + +function isSyntheticEvent(eventData) { + var x = eventData.srcEvent.clientX, y = eventData.srcEvent.clientY; + for (var i = 0; i < this.lastTouches.length; i++) { + var t = this.lastTouches[i]; + var dx = Math.abs(x - t.x), dy = Math.abs(y - t.y); + if (dx <= DEDUP_DISTANCE && dy <= DEDUP_DISTANCE) { + return true; + } + } + return false; +} + +var PREFIXED_TOUCH_ACTION = prefixed(TEST_ELEMENT.style, 'touchAction'); +var NATIVE_TOUCH_ACTION = PREFIXED_TOUCH_ACTION !== undefined; + +// magical touchAction value +var TOUCH_ACTION_COMPUTE = 'compute'; +var TOUCH_ACTION_AUTO = 'auto'; +var TOUCH_ACTION_MANIPULATION = 'manipulation'; // not implemented +var TOUCH_ACTION_NONE = 'none'; +var TOUCH_ACTION_PAN_X = 'pan-x'; +var TOUCH_ACTION_PAN_Y = 'pan-y'; +var TOUCH_ACTION_MAP = getTouchActionProps(); + +/** + * Touch Action + * sets the touchAction property or uses the js alternative + * @param {Manager} manager + * @param {String} value + * @constructor + */ +function TouchAction(manager, value) { + this.manager = manager; + this.set(value); +} + +TouchAction.prototype = { + /** + * set the touchAction value on the element or enable the polyfill + * @param {String} value + */ + set: function(value) { + // find out the touch-action by the event handlers + if (value == TOUCH_ACTION_COMPUTE) { + value = this.compute(); + } + + if (NATIVE_TOUCH_ACTION && this.manager.element.style && TOUCH_ACTION_MAP[value]) { + this.manager.element.style[PREFIXED_TOUCH_ACTION] = value; + } + this.actions = value.toLowerCase().trim(); + }, + + /** + * just re-set the touchAction value + */ + update: function() { + this.set(this.manager.options.touchAction); + }, + + /** + * compute the value for the touchAction property based on the recognizer's settings + * @returns {String} value + */ + compute: function() { + var actions = []; + each(this.manager.recognizers, function(recognizer) { + if (boolOrFn(recognizer.options.enable, [recognizer])) { + actions = actions.concat(recognizer.getTouchAction()); + } + }); + return cleanTouchActions(actions.join(' ')); + }, + + /** + * this method is called on each input cycle and provides the preventing of the browser behavior + * @param {Object} input + */ + preventDefaults: function(input) { + var srcEvent = input.srcEvent; + var direction = input.offsetDirection; + + // if the touch action did prevented once this session + if (this.manager.session.prevented) { + srcEvent.preventDefault(); + return; + } + + var actions = this.actions; + var hasNone = inStr(actions, TOUCH_ACTION_NONE) && !TOUCH_ACTION_MAP[TOUCH_ACTION_NONE]; + var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y) && !TOUCH_ACTION_MAP[TOUCH_ACTION_PAN_Y]; + var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X) && !TOUCH_ACTION_MAP[TOUCH_ACTION_PAN_X]; + + if (hasNone) { + //do not prevent defaults if this is a tap gesture + + var isTapPointer = input.pointers.length === 1; + var isTapMovement = input.distance < 2; + var isTapTouchTime = input.deltaTime < 250; + + if (isTapPointer && isTapMovement && isTapTouchTime) { + return; + } + } + + if (hasPanX && hasPanY) { + // `pan-x pan-y` means browser handles all scrolling/panning, do not prevent + return; + } + + if (hasNone || + (hasPanY && direction & DIRECTION_HORIZONTAL) || + (hasPanX && direction & DIRECTION_VERTICAL)) { + return this.preventSrc(srcEvent); + } + }, + + /** + * call preventDefault to prevent the browser's default behavior (scrolling in most cases) + * @param {Object} srcEvent + */ + preventSrc: function(srcEvent) { + this.manager.session.prevented = true; + srcEvent.preventDefault(); + } +}; + +/** + * when the touchActions are collected they are not a valid value, so we need to clean things up. * + * @param {String} actions + * @returns {*} + */ +function cleanTouchActions(actions) { + // none + if (inStr(actions, TOUCH_ACTION_NONE)) { + return TOUCH_ACTION_NONE; + } + + var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X); + var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y); + + // if both pan-x and pan-y are set (different recognizers + // for different directions, e.g. horizontal pan but vertical swipe?) + // we need none (as otherwise with pan-x pan-y combined none of these + // recognizers will work, since the browser would handle all panning + if (hasPanX && hasPanY) { + return TOUCH_ACTION_NONE; + } + + // pan-x OR pan-y + if (hasPanX || hasPanY) { + return hasPanX ? TOUCH_ACTION_PAN_X : TOUCH_ACTION_PAN_Y; + } + + // manipulation + if (inStr(actions, TOUCH_ACTION_MANIPULATION)) { + return TOUCH_ACTION_MANIPULATION; + } + + return TOUCH_ACTION_AUTO; +} + +function getTouchActionProps() { + if (!NATIVE_TOUCH_ACTION) { + return false; + } + var touchMap = {}; + var cssSupports = window.CSS && window.CSS.supports; + ['auto', 'manipulation', 'pan-y', 'pan-x', 'pan-x pan-y', 'none'].forEach(function(val) { + + // If css.supports is not supported but there is native touch-action assume it supports + // all values. This is the case for IE 10 and 11. + touchMap[val] = cssSupports ? window.CSS.supports('touch-action', val) : true; + }); + return touchMap; +} + +/** + * Recognizer flow explained; * + * All recognizers have the initial state of POSSIBLE when a input session starts. + * The definition of a input session is from the first input until the last input, with all it's movement in it. * + * Example session for mouse-input: mousedown -> mousemove -> mouseup + * + * On each recognizing cycle (see Manager.recognize) the .recognize() method is executed + * which determines with state it should be. + * + * If the recognizer has the state FAILED, CANCELLED or RECOGNIZED (equals ENDED), it is reset to + * POSSIBLE to give it another change on the next cycle. + * + * Possible + * | + * +-----+---------------+ + * | | + * +-----+-----+ | + * | | | + * Failed Cancelled | + * +-------+------+ + * | | + * Recognized Began + * | + * Changed + * | + * Ended/Recognized + */ +var STATE_POSSIBLE = 1; +var STATE_BEGAN = 2; +var STATE_CHANGED = 4; +var STATE_ENDED = 8; +var STATE_RECOGNIZED = STATE_ENDED; +var STATE_CANCELLED = 16; +var STATE_FAILED = 32; + +/** + * Recognizer + * Every recognizer needs to extend from this class. + * @constructor + * @param {Object} options + */ +function Recognizer(options) { + this.options = assign({}, this.defaults, options || {}); + + this.id = uniqueId(); + + this.manager = null; + + // default is enable true + this.options.enable = ifUndefined(this.options.enable, true); + + this.state = STATE_POSSIBLE; + + this.simultaneous = {}; + this.requireFail = []; +} + +Recognizer.prototype = { + /** + * @virtual + * @type {Object} + */ + defaults: {}, + + /** + * set options + * @param {Object} options + * @return {Recognizer} + */ + set: function(options) { + assign(this.options, options); + + // also update the touchAction, in case something changed about the directions/enabled state + this.manager && this.manager.touchAction.update(); + return this; + }, + + /** + * recognize simultaneous with an other recognizer. + * @param {Recognizer} otherRecognizer + * @returns {Recognizer} this + */ + recognizeWith: function(otherRecognizer) { + if (invokeArrayArg(otherRecognizer, 'recognizeWith', this)) { + return this; + } + + var simultaneous = this.simultaneous; + otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this); + if (!simultaneous[otherRecognizer.id]) { + simultaneous[otherRecognizer.id] = otherRecognizer; + otherRecognizer.recognizeWith(this); + } + return this; + }, + + /** + * drop the simultaneous link. it doesnt remove the link on the other recognizer. + * @param {Recognizer} otherRecognizer + * @returns {Recognizer} this + */ + dropRecognizeWith: function(otherRecognizer) { + if (invokeArrayArg(otherRecognizer, 'dropRecognizeWith', this)) { + return this; + } + + otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this); + delete this.simultaneous[otherRecognizer.id]; + return this; + }, + + /** + * recognizer can only run when an other is failing + * @param {Recognizer} otherRecognizer + * @returns {Recognizer} this + */ + requireFailure: function(otherRecognizer) { + if (invokeArrayArg(otherRecognizer, 'requireFailure', this)) { + return this; + } + + var requireFail = this.requireFail; + otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this); + if (inArray(requireFail, otherRecognizer) === -1) { + requireFail.push(otherRecognizer); + otherRecognizer.requireFailure(this); + } + return this; + }, + + /** + * drop the requireFailure link. it does not remove the link on the other recognizer. + * @param {Recognizer} otherRecognizer + * @returns {Recognizer} this + */ + dropRequireFailure: function(otherRecognizer) { + if (invokeArrayArg(otherRecognizer, 'dropRequireFailure', this)) { + return this; + } + + otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this); + var index = inArray(this.requireFail, otherRecognizer); + if (index > -1) { + this.requireFail.splice(index, 1); + } + return this; + }, + + /** + * has require failures boolean + * @returns {boolean} + */ + hasRequireFailures: function() { + return this.requireFail.length > 0; + }, + + /** + * if the recognizer can recognize simultaneous with an other recognizer + * @param {Recognizer} otherRecognizer + * @returns {Boolean} + */ + canRecognizeWith: function(otherRecognizer) { + return !!this.simultaneous[otherRecognizer.id]; + }, + + /** + * You should use `tryEmit` instead of `emit` directly to check + * that all the needed recognizers has failed before emitting. + * @param {Object} input + */ + emit: function(input) { + var self = this; + var state = this.state; + + function emit(event) { + self.manager.emit(event, input); + } + + // 'panstart' and 'panmove' + if (state < STATE_ENDED) { + emit(self.options.event + stateStr(state)); + } + + emit(self.options.event); // simple 'eventName' events + + if (input.additionalEvent) { // additional event(panleft, panright, pinchin, pinchout...) + emit(input.additionalEvent); + } + + // panend and pancancel + if (state >= STATE_ENDED) { + emit(self.options.event + stateStr(state)); + } + }, + + /** + * Check that all the require failure recognizers has failed, + * if true, it emits a gesture event, + * otherwise, setup the state to FAILED. + * @param {Object} input + */ + tryEmit: function(input) { + if (this.canEmit()) { + return this.emit(input); + } + // it's failing anyway + this.state = STATE_FAILED; + }, + + /** + * can we emit? + * @returns {boolean} + */ + canEmit: function() { + var i = 0; + while (i < this.requireFail.length) { + if (!(this.requireFail[i].state & (STATE_FAILED | STATE_POSSIBLE))) { + return false; + } + i++; + } + return true; + }, + + /** + * update the recognizer + * @param {Object} inputData + */ + recognize: function(inputData) { + // make a new copy of the inputData + // so we can change the inputData without messing up the other recognizers + var inputDataClone = assign({}, inputData); + + // is is enabled and allow recognizing? + if (!boolOrFn(this.options.enable, [this, inputDataClone])) { + this.reset(); + this.state = STATE_FAILED; + return; + } + + // reset when we've reached the end + if (this.state & (STATE_RECOGNIZED | STATE_CANCELLED | STATE_FAILED)) { + this.state = STATE_POSSIBLE; + } + + this.state = this.process(inputDataClone); + + // the recognizer has recognized a gesture + // so trigger an event + if (this.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED | STATE_CANCELLED)) { + this.tryEmit(inputDataClone); + } + }, + + /** + * return the state of the recognizer + * the actual recognizing happens in this method + * @virtual + * @param {Object} inputData + * @returns {Const} STATE + */ + process: function(inputData) { }, // jshint ignore:line + + /** + * return the preferred touch-action + * @virtual + * @returns {Array} + */ + getTouchAction: function() { }, + + /** + * called when the gesture isn't allowed to recognize + * like when another is being recognized or it is disabled + * @virtual + */ + reset: function() { } +}; + +/** + * get a usable string, used as event postfix + * @param {Const} state + * @returns {String} state + */ +function stateStr(state) { + if (state & STATE_CANCELLED) { + return 'cancel'; + } else if (state & STATE_ENDED) { + return 'end'; + } else if (state & STATE_CHANGED) { + return 'move'; + } else if (state & STATE_BEGAN) { + return 'start'; + } + return ''; +} + +/** + * direction cons to string + * @param {Const} direction + * @returns {String} + */ +function directionStr(direction) { + if (direction == DIRECTION_DOWN) { + return 'down'; + } else if (direction == DIRECTION_UP) { + return 'up'; + } else if (direction == DIRECTION_LEFT) { + return 'left'; + } else if (direction == DIRECTION_RIGHT) { + return 'right'; + } + return ''; +} + +/** + * get a recognizer by name if it is bound to a manager + * @param {Recognizer|String} otherRecognizer + * @param {Recognizer} recognizer + * @returns {Recognizer} + */ +function getRecognizerByNameIfManager(otherRecognizer, recognizer) { + var manager = recognizer.manager; + if (manager) { + return manager.get(otherRecognizer); + } + return otherRecognizer; +} + +/** + * This recognizer is just used as a base for the simple attribute recognizers. + * @constructor + * @extends Recognizer + */ +function AttrRecognizer() { + Recognizer.apply(this, arguments); +} + +inherit(AttrRecognizer, Recognizer, { + /** + * @namespace + * @memberof AttrRecognizer + */ + defaults: { + /** + * @type {Number} + * @default 1 + */ + pointers: 1 + }, + + /** + * Used to check if it the recognizer receives valid input, like input.distance > 10. + * @memberof AttrRecognizer + * @param {Object} input + * @returns {Boolean} recognized + */ + attrTest: function(input) { + var optionPointers = this.options.pointers; + return optionPointers === 0 || input.pointers.length === optionPointers; + }, + + /** + * Process the input and return the state for the recognizer + * @memberof AttrRecognizer + * @param {Object} input + * @returns {*} State + */ + process: function(input) { + var state = this.state; + var eventType = input.eventType; + + var isRecognized = state & (STATE_BEGAN | STATE_CHANGED); + var isValid = this.attrTest(input); + + // on cancel input and we've recognized before, return STATE_CANCELLED + if (isRecognized && (eventType & INPUT_CANCEL || !isValid)) { + return state | STATE_CANCELLED; + } else if (isRecognized || isValid) { + if (eventType & INPUT_END) { + return state | STATE_ENDED; + } else if (!(state & STATE_BEGAN)) { + return STATE_BEGAN; + } + return state | STATE_CHANGED; + } + return STATE_FAILED; + } +}); + +/** + * Pan + * Recognized when the pointer is down and moved in the allowed direction. + * @constructor + * @extends AttrRecognizer + */ +function PanRecognizer() { + AttrRecognizer.apply(this, arguments); + + this.pX = null; + this.pY = null; +} + +inherit(PanRecognizer, AttrRecognizer, { + /** + * @namespace + * @memberof PanRecognizer + */ + defaults: { + event: 'pan', + threshold: 10, + pointers: 1, + direction: DIRECTION_ALL + }, + + getTouchAction: function() { + var direction = this.options.direction; + var actions = []; + if (direction & DIRECTION_HORIZONTAL) { + actions.push(TOUCH_ACTION_PAN_Y); + } + if (direction & DIRECTION_VERTICAL) { + actions.push(TOUCH_ACTION_PAN_X); + } + return actions; + }, + + directionTest: function(input) { + var options = this.options; + var hasMoved = true; + var distance = input.distance; + var direction = input.direction; + var x = input.deltaX; + var y = input.deltaY; + + // lock to axis? + if (!(direction & options.direction)) { + if (options.direction & DIRECTION_HORIZONTAL) { + direction = (x === 0) ? DIRECTION_NONE : (x < 0) ? DIRECTION_LEFT : DIRECTION_RIGHT; + hasMoved = x != this.pX; + distance = Math.abs(input.deltaX); + } else { + direction = (y === 0) ? DIRECTION_NONE : (y < 0) ? DIRECTION_UP : DIRECTION_DOWN; + hasMoved = y != this.pY; + distance = Math.abs(input.deltaY); + } + } + input.direction = direction; + return hasMoved && distance > options.threshold && direction & options.direction; + }, + + attrTest: function(input) { + return AttrRecognizer.prototype.attrTest.call(this, input) && + (this.state & STATE_BEGAN || (!(this.state & STATE_BEGAN) && this.directionTest(input))); + }, + + emit: function(input) { + + this.pX = input.deltaX; + this.pY = input.deltaY; + + var direction = directionStr(input.direction); + + if (direction) { + input.additionalEvent = this.options.event + direction; + } + this._super.emit.call(this, input); + } +}); + +/** + * Pinch + * Recognized when two or more pointers are moving toward (zoom-in) or away from each other (zoom-out). + * @constructor + * @extends AttrRecognizer + */ +function PinchRecognizer() { + AttrRecognizer.apply(this, arguments); +} + +inherit(PinchRecognizer, AttrRecognizer, { + /** + * @namespace + * @memberof PinchRecognizer + */ + defaults: { + event: 'pinch', + threshold: 0, + pointers: 2 + }, + + getTouchAction: function() { + return [TOUCH_ACTION_NONE]; + }, + + attrTest: function(input) { + return this._super.attrTest.call(this, input) && + (Math.abs(input.scale - 1) > this.options.threshold || this.state & STATE_BEGAN); + }, + + emit: function(input) { + if (input.scale !== 1) { + var inOut = input.scale < 1 ? 'in' : 'out'; + input.additionalEvent = this.options.event + inOut; + } + this._super.emit.call(this, input); + } +}); + +/** + * Press + * Recognized when the pointer is down for x ms without any movement. + * @constructor + * @extends Recognizer + */ +function PressRecognizer() { + Recognizer.apply(this, arguments); + + this._timer = null; + this._input = null; +} + +inherit(PressRecognizer, Recognizer, { + /** + * @namespace + * @memberof PressRecognizer + */ + defaults: { + event: 'press', + pointers: 1, + time: 251, // minimal time of the pointer to be pressed + threshold: 9 // a minimal movement is ok, but keep it low + }, + + getTouchAction: function() { + return [TOUCH_ACTION_AUTO]; + }, + + process: function(input) { + var options = this.options; + var validPointers = input.pointers.length === options.pointers; + var validMovement = input.distance < options.threshold; + var validTime = input.deltaTime > options.time; + + this._input = input; + + // we only allow little movement + // and we've reached an end event, so a tap is possible + if (!validMovement || !validPointers || (input.eventType & (INPUT_END | INPUT_CANCEL) && !validTime)) { + this.reset(); + } else if (input.eventType & INPUT_START) { + this.reset(); + this._timer = setTimeoutContext(function() { + this.state = STATE_RECOGNIZED; + this.tryEmit(); + }, options.time, this); + } else if (input.eventType & INPUT_END) { + return STATE_RECOGNIZED; + } + return STATE_FAILED; + }, + + reset: function() { + clearTimeout(this._timer); + }, + + emit: function(input) { + if (this.state !== STATE_RECOGNIZED) { + return; + } + + if (input && (input.eventType & INPUT_END)) { + this.manager.emit(this.options.event + 'up', input); + } else { + this._input.timeStamp = now(); + this.manager.emit(this.options.event, this._input); + } + } +}); + +/** + * Rotate + * Recognized when two or more pointer are moving in a circular motion. + * @constructor + * @extends AttrRecognizer + */ +function RotateRecognizer() { + AttrRecognizer.apply(this, arguments); +} + +inherit(RotateRecognizer, AttrRecognizer, { + /** + * @namespace + * @memberof RotateRecognizer + */ + defaults: { + event: 'rotate', + threshold: 0, + pointers: 2 + }, + + getTouchAction: function() { + return [TOUCH_ACTION_NONE]; + }, + + attrTest: function(input) { + return this._super.attrTest.call(this, input) && + (Math.abs(input.rotation) > this.options.threshold || this.state & STATE_BEGAN); + } +}); + +/** + * Swipe + * Recognized when the pointer is moving fast (velocity), with enough distance in the allowed direction. + * @constructor + * @extends AttrRecognizer + */ +function SwipeRecognizer() { + AttrRecognizer.apply(this, arguments); +} + +inherit(SwipeRecognizer, AttrRecognizer, { + /** + * @namespace + * @memberof SwipeRecognizer + */ + defaults: { + event: 'swipe', + threshold: 10, + velocity: 0.3, + direction: DIRECTION_HORIZONTAL | DIRECTION_VERTICAL, + pointers: 1 + }, + + getTouchAction: function() { + return PanRecognizer.prototype.getTouchAction.call(this); + }, + + attrTest: function(input) { + var direction = this.options.direction; + var velocity; + + if (direction & (DIRECTION_HORIZONTAL | DIRECTION_VERTICAL)) { + velocity = input.overallVelocity; + } else if (direction & DIRECTION_HORIZONTAL) { + velocity = input.overallVelocityX; + } else if (direction & DIRECTION_VERTICAL) { + velocity = input.overallVelocityY; + } + + return this._super.attrTest.call(this, input) && + direction & input.offsetDirection && + input.distance > this.options.threshold && + input.maxPointers == this.options.pointers && + abs(velocity) > this.options.velocity && input.eventType & INPUT_END; + }, + + emit: function(input) { + var direction = directionStr(input.offsetDirection); + if (direction) { + this.manager.emit(this.options.event + direction, input); + } + + this.manager.emit(this.options.event, input); + } +}); + +/** + * A tap is ecognized when the pointer is doing a small tap/click. Multiple taps are recognized if they occur + * between the given interval and position. The delay option can be used to recognize multi-taps without firing + * a single tap. + * + * The eventData from the emitted event contains the property `tapCount`, which contains the amount of + * multi-taps being recognized. + * @constructor + * @extends Recognizer + */ +function TapRecognizer() { + Recognizer.apply(this, arguments); + + // previous time and center, + // used for tap counting + this.pTime = false; + this.pCenter = false; + + this._timer = null; + this._input = null; + this.count = 0; +} + +inherit(TapRecognizer, Recognizer, { + /** + * @namespace + * @memberof PinchRecognizer + */ + defaults: { + event: 'tap', + pointers: 1, + taps: 1, + interval: 300, // max time between the multi-tap taps + time: 250, // max time of the pointer to be down (like finger on the screen) + threshold: 9, // a minimal movement is ok, but keep it low + posThreshold: 10 // a multi-tap can be a bit off the initial position + }, + + getTouchAction: function() { + return [TOUCH_ACTION_MANIPULATION]; + }, + + process: function(input) { + var options = this.options; + + var validPointers = input.pointers.length === options.pointers; + var validMovement = input.distance < options.threshold; + var validTouchTime = input.deltaTime < options.time; + + this.reset(); + + if ((input.eventType & INPUT_START) && (this.count === 0)) { + return this.failTimeout(); + } + + // we only allow little movement + // and we've reached an end event, so a tap is possible + if (validMovement && validTouchTime && validPointers) { + if (input.eventType != INPUT_END) { + return this.failTimeout(); + } + + var validInterval = this.pTime ? (input.timeStamp - this.pTime < options.interval) : true; + var validMultiTap = !this.pCenter || getDistance(this.pCenter, input.center) < options.posThreshold; + + this.pTime = input.timeStamp; + this.pCenter = input.center; + + if (!validMultiTap || !validInterval) { + this.count = 1; + } else { + this.count += 1; + } + + this._input = input; + + // if tap count matches we have recognized it, + // else it has began recognizing... + var tapCount = this.count % options.taps; + if (tapCount === 0) { + // no failing requirements, immediately trigger the tap event + // or wait as long as the multitap interval to trigger + if (!this.hasRequireFailures()) { + return STATE_RECOGNIZED; + } else { + this._timer = setTimeoutContext(function() { + this.state = STATE_RECOGNIZED; + this.tryEmit(); + }, options.interval, this); + return STATE_BEGAN; + } + } + } + return STATE_FAILED; + }, + + failTimeout: function() { + this._timer = setTimeoutContext(function() { + this.state = STATE_FAILED; + }, this.options.interval, this); + return STATE_FAILED; + }, + + reset: function() { + clearTimeout(this._timer); + }, + + emit: function() { + if (this.state == STATE_RECOGNIZED) { + this._input.tapCount = this.count; + this.manager.emit(this.options.event, this._input); + } + } +}); + +/** + * Simple way to create a manager with a default set of recognizers. + * @param {HTMLElement} element + * @param {Object} [options] + * @constructor + */ +function Hammer(element, options) { + options = options || {}; + options.recognizers = ifUndefined(options.recognizers, Hammer.defaults.preset); + return new Manager(element, options); +} + +/** + * @const {string} + */ +Hammer.VERSION = '2.0.7'; + +/** + * default settings + * @namespace + */ +Hammer.defaults = { + /** + * set if DOM events are being triggered. + * But this is slower and unused by simple implementations, so disabled by default. + * @type {Boolean} + * @default false + */ + domEvents: false, + + /** + * The value for the touchAction property/fallback. + * When set to `compute` it will magically set the correct value based on the added recognizers. + * @type {String} + * @default compute + */ + touchAction: TOUCH_ACTION_COMPUTE, + + /** + * @type {Boolean} + * @default true + */ + enable: true, + + /** + * EXPERIMENTAL FEATURE -- can be removed/changed + * Change the parent input target element. + * If Null, then it is being set the to main element. + * @type {Null|EventTarget} + * @default null + */ + inputTarget: null, + + /** + * force an input class + * @type {Null|Function} + * @default null + */ + inputClass: null, + + /** + * Default recognizer setup when calling `Hammer()` + * When creating a new Manager these will be skipped. + * @type {Array} + */ + preset: [ + // RecognizerClass, options, [recognizeWith, ...], [requireFailure, ...] + [RotateRecognizer, {enable: false}], + [PinchRecognizer, {enable: false}, ['rotate']], + [SwipeRecognizer, {direction: DIRECTION_HORIZONTAL}], + [PanRecognizer, {direction: DIRECTION_HORIZONTAL}, ['swipe']], + [TapRecognizer], + [TapRecognizer, {event: 'doubletap', taps: 2}, ['tap']], + [PressRecognizer] + ], + + /** + * Some CSS properties can be used to improve the working of Hammer. + * Add them to this method and they will be set when creating a new Manager. + * @namespace + */ + cssProps: { + /** + * Disables text selection to improve the dragging gesture. Mainly for desktop browsers. + * @type {String} + * @default 'none' + */ + userSelect: 'none', + + /** + * Disable the Windows Phone grippers when pressing an element. + * @type {String} + * @default 'none' + */ + touchSelect: 'none', + + /** + * Disables the default callout shown when you touch and hold a touch target. + * On iOS, when you touch and hold a touch target such as a link, Safari displays + * a callout containing information about the link. This property allows you to disable that callout. + * @type {String} + * @default 'none' + */ + touchCallout: 'none', + + /** + * Specifies whether zooming is enabled. Used by IE10> + * @type {String} + * @default 'none' + */ + contentZooming: 'none', + + /** + * Specifies that an entire element should be draggable instead of its contents. Mainly for desktop browsers. + * @type {String} + * @default 'none' + */ + userDrag: 'none', + + /** + * Overrides the highlight color shown when the user taps a link or a JavaScript + * clickable element in iOS. This property obeys the alpha value, if specified. + * @type {String} + * @default 'rgba(0,0,0,0)' + */ + tapHighlightColor: 'rgba(0,0,0,0)' + } +}; + +var STOP = 1; +var FORCED_STOP = 2; + +/** + * Manager + * @param {HTMLElement} element + * @param {Object} [options] + * @constructor + */ +function Manager(element, options) { + this.options = assign({}, Hammer.defaults, options || {}); + + this.options.inputTarget = this.options.inputTarget || element; + + this.handlers = {}; + this.session = {}; + this.recognizers = []; + this.oldCssProps = {}; + + this.element = element; + this.input = createInputInstance(this); + this.touchAction = new TouchAction(this, this.options.touchAction); + + toggleCssProps(this, true); + + each(this.options.recognizers, function(item) { + var recognizer = this.add(new (item[0])(item[1])); + item[2] && recognizer.recognizeWith(item[2]); + item[3] && recognizer.requireFailure(item[3]); + }, this); +} + +Manager.prototype = { + /** + * set options + * @param {Object} options + * @returns {Manager} + */ + set: function(options) { + assign(this.options, options); + + // Options that need a little more setup + if (options.touchAction) { + this.touchAction.update(); + } + if (options.inputTarget) { + // Clean up existing event listeners and reinitialize + this.input.destroy(); + this.input.target = options.inputTarget; + this.input.init(); + } + return this; + }, + + /** + * stop recognizing for this session. + * This session will be discarded, when a new [input]start event is fired. + * When forced, the recognizer cycle is stopped immediately. + * @param {Boolean} [force] + */ + stop: function(force) { + this.session.stopped = force ? FORCED_STOP : STOP; + }, + + /** + * run the recognizers! + * called by the inputHandler function on every movement of the pointers (touches) + * it walks through all the recognizers and tries to detect the gesture that is being made + * @param {Object} inputData + */ + recognize: function(inputData) { + var session = this.session; + if (session.stopped) { + return; + } + + // run the touch-action polyfill + this.touchAction.preventDefaults(inputData); + + var recognizer; + var recognizers = this.recognizers; + + // this holds the recognizer that is being recognized. + // so the recognizer's state needs to be BEGAN, CHANGED, ENDED or RECOGNIZED + // if no recognizer is detecting a thing, it is set to `null` + var curRecognizer = session.curRecognizer; + + // reset when the last recognizer is recognized + // or when we're in a new session + if (!curRecognizer || (curRecognizer && curRecognizer.state & STATE_RECOGNIZED)) { + curRecognizer = session.curRecognizer = null; + } + + var i = 0; + while (i < recognizers.length) { + recognizer = recognizers[i]; + + // find out if we are allowed try to recognize the input for this one. + // 1. allow if the session is NOT forced stopped (see the .stop() method) + // 2. allow if we still haven't recognized a gesture in this session, or the this recognizer is the one + // that is being recognized. + // 3. allow if the recognizer is allowed to run simultaneous with the current recognized recognizer. + // this can be setup with the `recognizeWith()` method on the recognizer. + if (session.stopped !== FORCED_STOP && ( // 1 + !curRecognizer || recognizer == curRecognizer || // 2 + recognizer.canRecognizeWith(curRecognizer))) { // 3 + recognizer.recognize(inputData); + } else { + recognizer.reset(); + } + + // if the recognizer has been recognizing the input as a valid gesture, we want to store this one as the + // current active recognizer. but only if we don't already have an active recognizer + if (!curRecognizer && recognizer.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED)) { + curRecognizer = session.curRecognizer = recognizer; + } + i++; + } + }, + + /** + * get a recognizer by its event name. + * @param {Recognizer|String} recognizer + * @returns {Recognizer|Null} + */ + get: function(recognizer) { + if (recognizer instanceof Recognizer) { + return recognizer; + } + + var recognizers = this.recognizers; + for (var i = 0; i < recognizers.length; i++) { + if (recognizers[i].options.event == recognizer) { + return recognizers[i]; + } + } + return null; + }, + + /** + * add a recognizer to the manager + * existing recognizers with the same event name will be removed + * @param {Recognizer} recognizer + * @returns {Recognizer|Manager} + */ + add: function(recognizer) { + if (invokeArrayArg(recognizer, 'add', this)) { + return this; + } + + // remove existing + var existing = this.get(recognizer.options.event); + if (existing) { + this.remove(existing); + } + + this.recognizers.push(recognizer); + recognizer.manager = this; + + this.touchAction.update(); + return recognizer; + }, + + /** + * remove a recognizer by name or instance + * @param {Recognizer|String} recognizer + * @returns {Manager} + */ + remove: function(recognizer) { + if (invokeArrayArg(recognizer, 'remove', this)) { + return this; + } + + recognizer = this.get(recognizer); + + // let's make sure this recognizer exists + if (recognizer) { + var recognizers = this.recognizers; + var index = inArray(recognizers, recognizer); + + if (index !== -1) { + recognizers.splice(index, 1); + this.touchAction.update(); + } + } + + return this; + }, + + /** + * bind event + * @param {String} events + * @param {Function} handler + * @returns {EventEmitter} this + */ + on: function(events, handler) { + if (events === undefined) { + return; + } + if (handler === undefined) { + return; + } + + var handlers = this.handlers; + each(splitStr(events), function(event) { + handlers[event] = handlers[event] || []; + handlers[event].push(handler); + }); + return this; + }, + + /** + * unbind event, leave emit blank to remove all handlers + * @param {String} events + * @param {Function} [handler] + * @returns {EventEmitter} this + */ + off: function(events, handler) { + if (events === undefined) { + return; + } + + var handlers = this.handlers; + each(splitStr(events), function(event) { + if (!handler) { + delete handlers[event]; + } else { + handlers[event] && handlers[event].splice(inArray(handlers[event], handler), 1); + } + }); + return this; + }, + + /** + * emit event to the listeners + * @param {String} event + * @param {Object} data + */ + emit: function(event, data) { + // we also want to trigger dom events + if (this.options.domEvents) { + triggerDomEvent(event, data); + } + + // no handlers, so skip it all + var handlers = this.handlers[event] && this.handlers[event].slice(); + if (!handlers || !handlers.length) { + return; + } + + data.type = event; + data.preventDefault = function() { + data.srcEvent.preventDefault(); + }; + + var i = 0; + while (i < handlers.length) { + handlers[i](data); + i++; + } + }, + + /** + * destroy the manager and unbinds all events + * it doesn't unbind dom events, that is the user own responsibility + */ + destroy: function() { + this.element && toggleCssProps(this, false); + + this.handlers = {}; + this.session = {}; + this.input.destroy(); + this.element = null; + } +}; + +/** + * add/remove the css properties as defined in manager.options.cssProps + * @param {Manager} manager + * @param {Boolean} add + */ +function toggleCssProps(manager, add) { + var element = manager.element; + if (!element.style) { + return; + } + var prop; + each(manager.options.cssProps, function(value, name) { + prop = prefixed(element.style, name); + if (add) { + manager.oldCssProps[prop] = element.style[prop]; + element.style[prop] = value; + } else { + element.style[prop] = manager.oldCssProps[prop] || ''; + } + }); + if (!add) { + manager.oldCssProps = {}; + } +} + +/** + * trigger dom event + * @param {String} event + * @param {Object} data + */ +function triggerDomEvent(event, data) { + var gestureEvent = document.createEvent('Event'); + gestureEvent.initEvent(event, true, true); + gestureEvent.gesture = data; + data.target.dispatchEvent(gestureEvent); +} + +assign(Hammer, { + INPUT_START: INPUT_START, + INPUT_MOVE: INPUT_MOVE, + INPUT_END: INPUT_END, + INPUT_CANCEL: INPUT_CANCEL, + + STATE_POSSIBLE: STATE_POSSIBLE, + STATE_BEGAN: STATE_BEGAN, + STATE_CHANGED: STATE_CHANGED, + STATE_ENDED: STATE_ENDED, + STATE_RECOGNIZED: STATE_RECOGNIZED, + STATE_CANCELLED: STATE_CANCELLED, + STATE_FAILED: STATE_FAILED, + + DIRECTION_NONE: DIRECTION_NONE, + DIRECTION_LEFT: DIRECTION_LEFT, + DIRECTION_RIGHT: DIRECTION_RIGHT, + DIRECTION_UP: DIRECTION_UP, + DIRECTION_DOWN: DIRECTION_DOWN, + DIRECTION_HORIZONTAL: DIRECTION_HORIZONTAL, + DIRECTION_VERTICAL: DIRECTION_VERTICAL, + DIRECTION_ALL: DIRECTION_ALL, + + Manager: Manager, + Input: Input, + TouchAction: TouchAction, + + TouchInput: TouchInput, + MouseInput: MouseInput, + PointerEventInput: PointerEventInput, + TouchMouseInput: TouchMouseInput, + SingleTouchInput: SingleTouchInput, + + Recognizer: Recognizer, + AttrRecognizer: AttrRecognizer, + Tap: TapRecognizer, + Pan: PanRecognizer, + Swipe: SwipeRecognizer, + Pinch: PinchRecognizer, + Rotate: RotateRecognizer, + Press: PressRecognizer, + + on: addEventListeners, + off: removeEventListeners, + each: each, + merge: merge, + extend: extend, + assign: assign, + inherit: inherit, + bindFn: bindFn, + prefixed: prefixed +}); + +// this prevents errors when Hammer is loaded in the presence of an AMD +// style loader but by script tag, not by the loader. +var freeGlobal = (typeof window !== 'undefined' ? window : (typeof self !== 'undefined' ? self : {})); // jshint ignore:line +freeGlobal.Hammer = Hammer; + +if (true) { + !(__WEBPACK_AMD_DEFINE_RESULT__ = (function() { + return Hammer; + }).call(exports, __webpack_require__, exports, module), + __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); +} else {} + +})(window, document, 'Hammer'); + + +/***/ }), + +/***/ 703: +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; +/** + * Copyright (c) 2013-present, Facebook, Inc. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + */ + + + +var ReactPropTypesSecret = __webpack_require__(414); + +function emptyFunction() {} +function emptyFunctionWithReset() {} +emptyFunctionWithReset.resetWarningCache = emptyFunction; + +module.exports = function() { + function shim(props, propName, componentName, location, propFullName, secret) { + if (secret === ReactPropTypesSecret) { + // It is still safe when called from React. + return; + } + var err = new Error( + 'Calling PropTypes validators directly is not supported by the `prop-types` package. ' + + 'Use PropTypes.checkPropTypes() to call them. ' + + 'Read more at http://fb.me/use-check-prop-types' + ); + err.name = 'Invariant Violation'; + throw err; + }; + shim.isRequired = shim; + function getShim() { + return shim; + }; + // Important! + // Keep this list in sync with production version in `./factoryWithTypeCheckers.js`. + var ReactPropTypes = { + array: shim, + bigint: shim, + bool: shim, + func: shim, + number: shim, + object: shim, + string: shim, + symbol: shim, + + any: shim, + arrayOf: getShim, + element: shim, + elementType: shim, + instanceOf: getShim, + node: shim, + objectOf: getShim, + oneOf: getShim, + oneOfType: getShim, + shape: getShim, + exact: getShim, + + checkPropTypes: emptyFunctionWithReset, + resetWarningCache: emptyFunction + }; + + ReactPropTypes.PropTypes = ReactPropTypes; + + return ReactPropTypes; +}; + + +/***/ }), + +/***/ 697: +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +/** + * Copyright (c) 2013-present, Facebook, Inc. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + */ + +if (false) { var throwOnDirectAccess, ReactIs; } else { + // By explicitly using `prop-types` you are opting into new production behavior. + // http://fb.me/prop-types-in-prod + module.exports = __webpack_require__(703)(); +} + + +/***/ }), + +/***/ 414: +/***/ ((module) => { + +"use strict"; +/** + * Copyright (c) 2013-present, Facebook, Inc. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + */ + + + +var ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED'; + +module.exports = ReactPropTypesSecret; + + +/***/ }), + +/***/ 448: +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + +"use strict"; +/** + * @license React + * react-dom.production.min.js + * + * Copyright (c) Facebook, Inc. and its affiliates. + * + * This source code is licensed under the MIT license found in 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+/***/ }), + +/***/ 935: +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +function checkDCE() { + /* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */ + if ( + typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ === 'undefined' || + typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.checkDCE !== 'function' + ) { + return; + } + if (false) {} + try { + // Verify that the code above has been dead code eliminated (DCE'd). + __REACT_DEVTOOLS_GLOBAL_HOOK__.checkDCE(checkDCE); + } catch (err) { + // DevTools shouldn't crash React, no matter what. + // We should still report in case we break this code. + console.error(err); + } +} + +if (true) { + // DCE check should happen before ReactDOM bundle executes so that + // DevTools can report bad minification during injection. + checkDCE(); + module.exports = __webpack_require__(448); +} else {} + + +/***/ }), + +/***/ 408: +/***/ ((__unused_webpack_module, exports) => { + +"use strict"; +/** + * @license React + * react.production.min.js + * + * Copyright (c) Facebook, Inc. and its affiliates. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + */ +var l=Symbol.for("react.element"),n=Symbol.for("react.portal"),p=Symbol.for("react.fragment"),q=Symbol.for("react.strict_mode"),r=Symbol.for("react.profiler"),t=Symbol.for("react.provider"),u=Symbol.for("react.context"),v=Symbol.for("react.forward_ref"),w=Symbol.for("react.suspense"),x=Symbol.for("react.memo"),y=Symbol.for("react.lazy"),z=Symbol.iterator;function A(a){if(null===a||"object"!==typeof a)return null;a=z&&a[z]||a["@@iterator"];return"function"===typeof a?a:null} +var B={isMounted:function(){return!1},enqueueForceUpdate:function(){},enqueueReplaceState:function(){},enqueueSetState:function(){}},C=Object.assign,D={};function E(a,b,e){this.props=a;this.context=b;this.refs=D;this.updater=e||B}E.prototype.isReactComponent={}; +E.prototype.setState=function(a,b){if("object"!==typeof 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exports) => { + +"use strict"; +/** + * @license React + * scheduler.production.min.js + * + * Copyright (c) Facebook, Inc. and its affiliates. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + */ +function f(a,b){var c=a.length;a.push(b);a:for(;0>>1,e=a[d];if(0>>1;dg(C,c))ng(x,C)?(a[d]=x,a[n]=c,d=n):(a[d]=C,a[m]=c,d=m);else if(ng(x,c))a[d]=x,a[n]=c,d=n;else break a}}return b} +function g(a,b){var c=a.sortIndex-b.sortIndex;return 0!==c?c:a.id-b.id}if("object"===typeof performance&&"function"===typeof performance.now){var l=performance;exports.unstable_now=function(){return l.now()}}else{var p=Date,q=p.now();exports.unstable_now=function(){return p.now()-q}}var r=[],t=[],u=1,v=null,y=3,z=!1,A=!1,B=!1,D="function"===typeof setTimeout?setTimeout:null,E="function"===typeof clearTimeout?clearTimeout:null,F="undefined"!==typeof setImmediate?setImmediate:null; +"undefined"!==typeof navigator&&void 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__WEBPACK_AMD_DEFINE_RESULT__)); + } else {} +} (typeof window !== 'undefined' ? window : this, function (window, document) { + + 'use strict'; + + function Shake(options) { + //feature detect + this.hasDeviceMotion = 'ondevicemotion' in window; + + this.options = { + threshold: 15, //default velocity threshold for shake to register + timeout: 1000 //default interval between events + }; + + if (typeof options === 'object') { + for (var i in options) { + if (options.hasOwnProperty(i)) { + this.options[i] = options[i]; + } + } + } + + //use date to prevent multiple shakes firing + this.lastTime = new Date(); + + //accelerometer values + this.lastX = null; + this.lastY = null; + this.lastZ = null; + + //create custom event + if (typeof document.CustomEvent === 'function') { + this.event = new document.CustomEvent('shake', { + bubbles: true, + cancelable: true + }); + } else if (typeof document.createEvent === 'function') { + this.event = document.createEvent('Event'); + this.event.initEvent('shake', true, true); + } else { + return false; + } + } + + //reset timer values + Shake.prototype.reset = function () { + this.lastTime = new Date(); + this.lastX = null; + this.lastY = null; + this.lastZ = null; + }; + + //start listening for devicemotion + Shake.prototype.start = function () { + this.reset(); + if (this.hasDeviceMotion) { + window.addEventListener('devicemotion', this, false); + } + }; + + //stop listening for devicemotion + Shake.prototype.stop = function () { + if (this.hasDeviceMotion) { + window.removeEventListener('devicemotion', this, false); + } + this.reset(); + }; + + //calculates if shake did occur + Shake.prototype.devicemotion = function (e) { + var current = e.accelerationIncludingGravity; + var currentTime; + var timeDifference; + var deltaX = 0; + var deltaY = 0; + var deltaZ = 0; + + if ((this.lastX === null) && (this.lastY === null) && (this.lastZ === null)) { + this.lastX = current.x; + this.lastY = current.y; + this.lastZ = current.z; + return; + } + + deltaX = Math.abs(this.lastX - current.x); + deltaY = Math.abs(this.lastY - current.y); + deltaZ = Math.abs(this.lastZ - current.z); + + if (((deltaX > this.options.threshold) && (deltaY > this.options.threshold)) || ((deltaX > this.options.threshold) && (deltaZ > this.options.threshold)) || ((deltaY > this.options.threshold) && (deltaZ > this.options.threshold))) { + //calculate time in milliseconds since last shake registered + currentTime = new Date(); + timeDifference = currentTime.getTime() - this.lastTime.getTime(); + + if (timeDifference > this.options.timeout) { + window.dispatchEvent(this.event); + this.lastTime = new Date(); + } + } + + this.lastX = current.x; + this.lastY = current.y; + this.lastZ = current.z; + + }; + + //event handler + Shake.prototype.handleEvent = function (e) { + if (typeof (this[e.type]) === 'function') { + return this[e.type](e); + } + }; + + return Shake; +})); + + +/***/ }), + +/***/ 538: +/***/ ((module, 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obj[key] = desc.value; + }, + $Symbol = "function" == typeof Symbol ? Symbol : {}, + iteratorSymbol = $Symbol.iterator || "@@iterator", + asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator", + toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag"; + function define(obj, key, value) { + return Object.defineProperty(obj, key, { + value: value, + enumerable: !0, + configurable: !0, + writable: !0 + }), obj[key]; + } + try { + define({}, ""); + } catch (err) { + define = function define(obj, key, value) { + return obj[key] = value; + }; + } + function wrap(innerFn, outerFn, self, tryLocsList) { + var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator, + generator = Object.create(protoGenerator.prototype), + context = new Context(tryLocsList || []); + return defineProperty(generator, "_invoke", { + value: makeInvokeMethod(innerFn, self, context) + }), generator; + } + function tryCatch(fn, obj, arg) { + try { + return { + type: "normal", + arg: fn.call(obj, arg) + }; + } catch (err) { + return { + type: "throw", + arg: err + }; + } + } + exports.wrap = wrap; + var ContinueSentinel = {}; + function Generator() {} + function GeneratorFunction() {} + function GeneratorFunctionPrototype() {} + var IteratorPrototype = {}; + define(IteratorPrototype, iteratorSymbol, function () { + return this; + }); + var getProto = Object.getPrototypeOf, + NativeIteratorPrototype = getProto && getProto(getProto(values([]))); + NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol) && (IteratorPrototype = NativeIteratorPrototype); + var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype); + function defineIteratorMethods(prototype) { + ["next", "throw", "return"].forEach(function (method) { + define(prototype, method, function (arg) { + return this._invoke(method, arg); + }); + }); + } + function AsyncIterator(generator, PromiseImpl) { + function invoke(method, arg, resolve, reject) { + var record = tryCatch(generator[method], generator, arg); + if ("throw" !== record.type) { + var result = record.arg, + value = result.value; + return value && "object" == _typeof(value) && hasOwn.call(value, "__await") ? PromiseImpl.resolve(value.__await).then(function (value) { + invoke("next", value, resolve, reject); + }, function (err) { + invoke("throw", err, resolve, reject); + }) : PromiseImpl.resolve(value).then(function (unwrapped) { + result.value = unwrapped, resolve(result); + }, function (error) { + return invoke("throw", error, resolve, reject); + }); + } + reject(record.arg); + } + var previousPromise; + defineProperty(this, "_invoke", { + value: function value(method, arg) { + function callInvokeWithMethodAndArg() { + return new PromiseImpl(function (resolve, reject) { + invoke(method, arg, resolve, reject); + }); + } + return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg(); + } + }); + } + function makeInvokeMethod(innerFn, self, context) { + var state = "suspendedStart"; + return function (method, arg) { + if ("executing" === state) throw new Error("Generator is already running"); + if ("completed" === state) { + if ("throw" === method) throw arg; + return doneResult(); + } + for (context.method = method, context.arg = arg;;) { + var delegate = context.delegate; + if (delegate) { + var delegateResult = maybeInvokeDelegate(delegate, context); + if (delegateResult) { + if (delegateResult === ContinueSentinel) continue; + return delegateResult; + } + } + if ("next" === context.method) context.sent = context._sent = context.arg;else if ("throw" === context.method) { + if ("suspendedStart" === state) throw state = "completed", context.arg; + context.dispatchException(context.arg); + } else "return" === context.method && context.abrupt("return", context.arg); + state = "executing"; + var record = tryCatch(innerFn, self, context); + if ("normal" === record.type) { + if (state = context.done ? "completed" : "suspendedYield", record.arg === ContinueSentinel) continue; + return { + value: record.arg, + done: context.done + }; + } + "throw" === record.type && (state = "completed", context.method = "throw", context.arg = record.arg); + } + }; + } + function maybeInvokeDelegate(delegate, context) { + var methodName = context.method, + method = delegate.iterator[methodName]; + if (undefined === method) return context.delegate = null, "throw" === methodName && delegate.iterator["return"] && (context.method = "return", context.arg = undefined, maybeInvokeDelegate(delegate, context), "throw" === context.method) || "return" !== methodName && (context.method = "throw", context.arg = new TypeError("The iterator does not provide a '" + methodName + "' method")), ContinueSentinel; + var record = tryCatch(method, delegate.iterator, context.arg); + if ("throw" === record.type) return context.method = "throw", context.arg = record.arg, context.delegate = null, ContinueSentinel; + var info = record.arg; + return info ? info.done ? (context[delegate.resultName] = info.value, context.next = delegate.nextLoc, "return" !== context.method && (context.method = "next", context.arg = undefined), context.delegate = null, ContinueSentinel) : info : (context.method = "throw", context.arg = new TypeError("iterator result is not an object"), context.delegate = null, ContinueSentinel); + } + function pushTryEntry(locs) { + var entry = { + tryLoc: locs[0] + }; + 1 in locs && (entry.catchLoc = locs[1]), 2 in locs && (entry.finallyLoc = locs[2], entry.afterLoc = locs[3]), this.tryEntries.push(entry); + } + function resetTryEntry(entry) { + var record = entry.completion || {}; + record.type = "normal", delete record.arg, entry.completion = record; + } + function Context(tryLocsList) { + this.tryEntries = [{ + tryLoc: "root" + }], tryLocsList.forEach(pushTryEntry, this), this.reset(!0); + } + function values(iterable) { + if (iterable) { + var iteratorMethod = iterable[iteratorSymbol]; + if (iteratorMethod) return iteratorMethod.call(iterable); + if ("function" == typeof iterable.next) return iterable; + if (!isNaN(iterable.length)) { + var i = -1, + next = function next() { + for (; ++i < iterable.length;) if (hasOwn.call(iterable, i)) return next.value = iterable[i], next.done = !1, next; + return next.value = undefined, next.done = !0, next; + }; + return next.next = next; + } + } + return { + next: doneResult + }; + } + function doneResult() { + return { + value: undefined, + done: !0 + }; + } + return GeneratorFunction.prototype = GeneratorFunctionPrototype, defineProperty(Gp, "constructor", { + value: GeneratorFunctionPrototype, + configurable: !0 + }), defineProperty(GeneratorFunctionPrototype, "constructor", { + value: GeneratorFunction, + configurable: !0 + }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction"), exports.isGeneratorFunction = function (genFun) { + var ctor = "function" == typeof genFun && genFun.constructor; + return !!ctor && (ctor === GeneratorFunction || "GeneratorFunction" === (ctor.displayName || ctor.name)); + }, exports.mark = function (genFun) { + return Object.setPrototypeOf ? Object.setPrototypeOf(genFun, GeneratorFunctionPrototype) : (genFun.__proto__ = GeneratorFunctionPrototype, define(genFun, toStringTagSymbol, "GeneratorFunction")), genFun.prototype = Object.create(Gp), genFun; + }, exports.awrap = function (arg) { + return { + __await: arg + }; + }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, asyncIteratorSymbol, function () { + return this; + }), exports.AsyncIterator = AsyncIterator, exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) { + void 0 === PromiseImpl && (PromiseImpl = Promise); + var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl); + return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) { + return result.done ? result.value : iter.next(); + }); + }, defineIteratorMethods(Gp), define(Gp, toStringTagSymbol, "Generator"), define(Gp, iteratorSymbol, function () { + return this; + }), define(Gp, "toString", function () { + return "[object Generator]"; + }), exports.keys = function (val) { + var object = Object(val), + keys = []; + for (var key in object) keys.push(key); + return keys.reverse(), function next() { + for (; keys.length;) { + var key = keys.pop(); + if (key in object) return next.value = key, next.done = !1, next; + } + return next.done = !0, next; + }; + }, exports.values = values, Context.prototype = { + constructor: Context, + reset: function reset(skipTempReset) { + if (this.prev = 0, this.next = 0, this.sent = this._sent = undefined, this.done = !1, this.delegate = null, this.method = "next", this.arg = undefined, this.tryEntries.forEach(resetTryEntry), !skipTempReset) for (var name in this) "t" === name.charAt(0) && hasOwn.call(this, name) && !isNaN(+name.slice(1)) && (this[name] = undefined); + }, + stop: function stop() { + this.done = !0; + var rootRecord = this.tryEntries[0].completion; + if ("throw" === rootRecord.type) throw rootRecord.arg; + return this.rval; + }, + dispatchException: function dispatchException(exception) { + if (this.done) throw exception; + var context = this; + function handle(loc, caught) { + return record.type = "throw", record.arg = exception, context.next = loc, caught && (context.method = "next", context.arg = undefined), !!caught; + } + for (var i = this.tryEntries.length - 1; i >= 0; --i) { + var entry = this.tryEntries[i], + record = entry.completion; + if ("root" === entry.tryLoc) return handle("end"); + if (entry.tryLoc <= this.prev) { + var hasCatch = hasOwn.call(entry, "catchLoc"), + hasFinally = hasOwn.call(entry, "finallyLoc"); + if (hasCatch && hasFinally) { + if (this.prev < entry.catchLoc) return handle(entry.catchLoc, !0); + if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc); + } else if (hasCatch) { + if (this.prev < entry.catchLoc) return handle(entry.catchLoc, !0); + } else { + if (!hasFinally) throw new Error("try statement without catch or finally"); + if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc); + } + } + } + }, + abrupt: function abrupt(type, arg) { + for (var i = this.tryEntries.length - 1; i >= 0; --i) { + var entry = this.tryEntries[i]; + if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) { + var finallyEntry = entry; + break; + } + } + finallyEntry && ("break" === type || "continue" === type) && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc && (finallyEntry = null); + var record = finallyEntry ? finallyEntry.completion : {}; + return record.type = type, record.arg = arg, finallyEntry ? (this.method = "next", this.next = finallyEntry.finallyLoc, ContinueSentinel) : this.complete(record); + }, + complete: function complete(record, afterLoc) { + if ("throw" === record.type) throw record.arg; + return "break" === record.type || "continue" === record.type ? this.next = record.arg : "return" === record.type ? (this.rval = this.arg = record.arg, this.method = "return", this.next = "end") : "normal" === record.type && afterLoc && (this.next = afterLoc), ContinueSentinel; + }, + finish: function finish(finallyLoc) { + for (var i = this.tryEntries.length - 1; i >= 0; --i) { + var entry = this.tryEntries[i]; + if (entry.finallyLoc === finallyLoc) return this.complete(entry.completion, entry.afterLoc), resetTryEntry(entry), ContinueSentinel; + } + }, + "catch": function _catch(tryLoc) { + for (var i = this.tryEntries.length - 1; i >= 0; --i) { + var entry = this.tryEntries[i]; + if (entry.tryLoc === tryLoc) { + var record = entry.completion; + if ("throw" === record.type) { + var thrown = record.arg; + resetTryEntry(entry); + } + return thrown; + } + } + throw new Error("illegal catch attempt"); + }, + delegateYield: function delegateYield(iterable, resultName, nextLoc) { + return this.delegate = { + iterator: values(iterable), + resultName: resultName, + nextLoc: nextLoc + }, "next" === this.method && (this.arg = undefined), ContinueSentinel; + } + }, exports; +} +module.exports = _regeneratorRuntime, module.exports.__esModule = true, module.exports["default"] = module.exports; + +/***/ }), + +/***/ 698: +/***/ ((module) => { + +function _typeof(obj) { + "@babel/helpers - typeof"; + + return (module.exports = _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { + return typeof obj; + } : function (obj) { + return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; + }, module.exports.__esModule = true, module.exports["default"] = module.exports), _typeof(obj); +} +module.exports = _typeof, module.exports.__esModule = true, module.exports["default"] = module.exports; + +/***/ }), + +/***/ 687: +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +// TODO(Babel 8): Remove this file. + +var runtime = __webpack_require__(61)(); +module.exports = runtime; + +// Copied from https://github.com/facebook/regenerator/blob/main/packages/runtime/runtime.js#L736= +try { + regeneratorRuntime = runtime; +} catch (accidentalStrictMode) { + if (typeof globalThis === "object") { + globalThis.regeneratorRuntime = runtime; + } else { + Function("r", "regeneratorRuntime = r")(runtime); + } +} + + +/***/ }) + +/******/ }); +/************************************************************************/ +/******/ // The module cache +/******/ var __webpack_module_cache__ = {}; +/******/ +/******/ // The require function +/******/ function __webpack_require__(moduleId) { +/******/ // Check if module is in cache +/******/ var cachedModule = __webpack_module_cache__[moduleId]; +/******/ if (cachedModule !== undefined) { +/******/ return cachedModule.exports; +/******/ } +/******/ // Create a new module (and put it into the cache) +/******/ var module = __webpack_module_cache__[moduleId] = { +/******/ // no module.id needed +/******/ // no module.loaded needed +/******/ exports: {} +/******/ }; +/******/ +/******/ // Execute the module function +/******/ __webpack_modules__[moduleId].call(module.exports, module, module.exports, __webpack_require__); +/******/ +/******/ // Return the exports of the module +/******/ return module.exports; +/******/ } +/******/ +/************************************************************************/ +/******/ /* webpack/runtime/compat get default export */ +/******/ (() => { +/******/ // getDefaultExport function for compatibility with non-harmony modules +/******/ __webpack_require__.n = (module) => { +/******/ var getter = module && module.__esModule ? +/******/ () => (module['default']) : +/******/ () => (module); +/******/ __webpack_require__.d(getter, { a: getter }); +/******/ return getter; +/******/ }; +/******/ })(); +/******/ +/******/ /* webpack/runtime/define property getters */ +/******/ (() => { +/******/ // define getter functions for harmony exports +/******/ __webpack_require__.d = (exports, definition) => { +/******/ for(var key in definition) { +/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) { +/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] }); +/******/ } +/******/ } +/******/ }; +/******/ })(); +/******/ +/******/ /* webpack/runtime/global */ +/******/ (() => { +/******/ __webpack_require__.g = (function() { +/******/ if (typeof globalThis === 'object') return globalThis; +/******/ try { +/******/ return this || new Function('return this')(); +/******/ } catch (e) { +/******/ if (typeof window === 'object') return window; +/******/ } +/******/ })(); +/******/ })(); +/******/ +/******/ /* webpack/runtime/hasOwnProperty shorthand */ +/******/ (() => { +/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop)) +/******/ })(); +/******/ +/******/ /* webpack/runtime/publicPath */ +/******/ (() => { +/******/ __webpack_require__.p = "/"; +/******/ })(); +/******/ +/************************************************************************/ +var __webpack_exports__ = {}; +// This entry need to be wrapped in an IIFE because it need to be in strict mode. +(() => { +"use strict"; + +// EXTERNAL MODULE: ./node_modules/react/index.js +var react = __webpack_require__(294); +// EXTERNAL MODULE: ./node_modules/react-dom/client.js +var client = __webpack_require__(745); +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/classCallCheck.js +function _classCallCheck(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/typeof.js +function _typeof(obj) { + "@babel/helpers - typeof"; + + return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { + return typeof obj; + } : function (obj) { + return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; + }, _typeof(obj); +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/toPrimitive.js + +function _toPrimitive(input, hint) { + if (_typeof(input) !== "object" || input === null) return input; + var prim = input[Symbol.toPrimitive]; + if (prim !== undefined) { + var res = prim.call(input, hint || "default"); + if (_typeof(res) !== "object") return res; + throw new TypeError("@@toPrimitive must return a primitive value."); + } + return (hint === "string" ? String : Number)(input); +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/toPropertyKey.js + + +function _toPropertyKey(arg) { + var key = _toPrimitive(arg, "string"); + return _typeof(key) === "symbol" ? key : String(key); +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/createClass.js + +function _defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); + } +} +function _createClass(Constructor, protoProps, staticProps) { + if (protoProps) _defineProperties(Constructor.prototype, protoProps); + if (staticProps) _defineProperties(Constructor, staticProps); + Object.defineProperty(Constructor, "prototype", { + writable: false + }); + return Constructor; +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/assertThisInitialized.js +function _assertThisInitialized(self) { + if (self === void 0) { + throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); + } + return self; +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/setPrototypeOf.js +function _setPrototypeOf(o, p) { + _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { + o.__proto__ = p; + return o; + }; + return _setPrototypeOf(o, p); +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/inherits.js + +function _inherits(subClass, superClass) { + if (typeof superClass !== "function" && superClass !== null) { + throw new TypeError("Super expression must either be null or a function"); + } + subClass.prototype = Object.create(superClass && superClass.prototype, { + constructor: { + value: subClass, + writable: true, + configurable: true + } + }); + Object.defineProperty(subClass, "prototype", { + writable: false + }); + if (superClass) _setPrototypeOf(subClass, superClass); +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/possibleConstructorReturn.js + + +function _possibleConstructorReturn(self, call) { + if (call && (_typeof(call) === "object" || typeof call === "function")) { + return call; + } else if (call !== void 0) { + throw new TypeError("Derived constructors may only return object or undefined"); + } + return _assertThisInitialized(self); +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/getPrototypeOf.js +function _getPrototypeOf(o) { + _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { + return o.__proto__ || Object.getPrototypeOf(o); + }; + return _getPrototypeOf(o); +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/defineProperty.js + +function _defineProperty(obj, key, value) { + key = _toPropertyKey(key); + if (key in obj) { + Object.defineProperty(obj, key, { + value: value, + enumerable: true, + configurable: true, + writable: true + }); + } else { + obj[key] = value; + } + return obj; +} +// EXTERNAL MODULE: ./node_modules/classnames/index.js +var classnames = __webpack_require__(184); +var classnames_default = /*#__PURE__*/__webpack_require__.n(classnames); +// EXTERNAL MODULE: ./node_modules/hammerjs/hammer.js +var hammer = __webpack_require__(797); +var hammer_default = /*#__PURE__*/__webpack_require__.n(hammer); +// EXTERNAL MODULE: ./node_modules/shake.js/shake.js +var shake = __webpack_require__(249); +var shake_default = /*#__PURE__*/__webpack_require__.n(shake); +;// CONCATENATED MODULE: ./src/App.pcss +// extracted by mini-css-extract-plugin +/* harmony default export */ const src_App = ({"no-js":"b5a558","js":"c999be","supports-no-cookies":"c00bc0","supports-cookies":"de73b6","app":"e80e6f","root":"af0a75","scene":"a7bfae","settings":"f40a05","permission":"dddd04","footer":"afbe79"}); +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/asyncToGenerator.js +function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { + try { + var info = gen[key](arg); + var value = info.value; + } catch (error) { + reject(error); + return; + } + if (info.done) { + resolve(value); + } else { + Promise.resolve(value).then(_next, _throw); + } +} +function _asyncToGenerator(fn) { + return function () { + var self = this, + args = arguments; + return new Promise(function (resolve, reject) { + var gen = fn.apply(self, args); + function _next(value) { + asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); + } + function _throw(err) { + asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); + } + _next(undefined); + }); + }; +} +// EXTERNAL MODULE: ./node_modules/@babel/runtime/regenerator/index.js +var regenerator = __webpack_require__(687); +var regenerator_default = /*#__PURE__*/__webpack_require__.n(regenerator); +// EXTERNAL MODULE: ./node_modules/prop-types/index.js +var prop_types = __webpack_require__(697); +var prop_types_default = /*#__PURE__*/__webpack_require__.n(prop_types); +;// CONCATENATED MODULE: ./src/utils/deviceMotion.js +var CACHE_KEY_DEVICE_MOTION = 'device-motion'; +var CACHE_KEY_DEVICE_MOTION_REQUEST_DATE = 'device-motion-request-date'; + +function needsDeviceMotionPermission() { + return typeof DeviceMotionEvent !== 'undefined' && typeof DeviceMotionEvent.requestPermission === 'function'; +} + +function requestDeviceMotionPermission() {return _requestDeviceMotionPermission.apply(this, arguments);}function _requestDeviceMotionPermission() {_requestDeviceMotionPermission = _asyncToGenerator( /*#__PURE__*/regenerator_default().mark(function _callee() {var status;return regenerator_default().wrap(function _callee$(_context) {while (1) switch (_context.prev = _context.next) {case 0:if ( + needsDeviceMotionPermission()) {_context.next = 2;break;}return _context.abrupt("return", 'notSupported');case 2:_context.prev = 2;_context.next = 5;return ( + + + + + DeviceMotionEvent.requestPermission());case 5:status = _context.sent;_context.next = 11;break;case 8:_context.prev = 8;_context.t0 = _context["catch"](2); + + + status = 'notDetermined';case 11: + + + sessionStorage.setItem(CACHE_KEY_DEVICE_MOTION, status);return _context.abrupt("return", + + status);case 13:case "end":return _context.stop();}}, _callee, null, [[2, 8]]);}));return _requestDeviceMotionPermission.apply(this, arguments);} + + +function getDeviceMotionPermission() {var _sessionStorage$getIt; + if (!needsDeviceMotionPermission()) return 'notSupported'; + + return (_sessionStorage$getIt = sessionStorage.getItem(CACHE_KEY_DEVICE_MOTION)) !== null && _sessionStorage$getIt !== void 0 ? _sessionStorage$getIt : 'notDetermined'; +} + +function rememberDeviceMotionRequestDate() { + sessionStorage.setItem(CACHE_KEY_DEVICE_MOTION_REQUEST_DATE, String(Date.now())); +} + +function hasRequestedDeviceMotionPermission() { + return typeof sessionStorage.getItem(CACHE_KEY_DEVICE_MOTION_REQUEST_DATE) === 'string'; +} +;// CONCATENATED MODULE: ./src/components/DeviceMotionAlert.pcss +// extracted by mini-css-extract-plugin +/* harmony default export */ const DeviceMotionAlert = ({"root":"fdf96a","modal":"b75590","background":"de6295","title":"fbbff3","actions":"ef1fae","request-button":"be0b88","dismiss-button":"dacf2d"}); +;// CONCATENATED MODULE: ./src/components/DeviceMotionAlert.jsx + + + + + + +function DeviceMotionAlert_DeviceMotionAlert(_ref) {var className = _ref.className,onDismiss = _ref.onDismiss; + var request = /*#__PURE__*/function () {var _ref2 = _asyncToGenerator( /*#__PURE__*/regenerator_default().mark(function _callee() {return regenerator_default().wrap(function _callee$(_context) {while (1) switch (_context.prev = _context.next) {case 0: + rememberDeviceMotionRequestDate();_context.next = 3;return ( + requestDeviceMotionPermission());case 3: + onDismiss();case 4:case "end":return _context.stop();}}, _callee);}));return function request() {return _ref2.apply(this, arguments);};}(); + + + var dismiss = /*#__PURE__*/function () {var _ref3 = _asyncToGenerator( /*#__PURE__*/regenerator_default().mark(function _callee2() {return regenerator_default().wrap(function _callee2$(_context2) {while (1) switch (_context2.prev = _context2.next) {case 0: + rememberDeviceMotionRequestDate(); + onDismiss();case 2:case "end":return _context2.stop();}}, _callee2);}));return function dismiss() {return _ref3.apply(this, arguments);};}(); + + + return /*#__PURE__*/( + react.createElement("div", { className: classnames_default()(DeviceMotionAlert['root'], className) }, /*#__PURE__*/ + react.createElement("div", { className: DeviceMotionAlert['background'] }), /*#__PURE__*/ + react.createElement("div", { className: DeviceMotionAlert['modal'] }, /*#__PURE__*/ + react.createElement("h1", { className: DeviceMotionAlert['title'] }, "Shake?"), /*#__PURE__*/ + react.createElement("div", null, "To support dice shaking, the app requires permission to access your device motion."), /*#__PURE__*/ + react.createElement("div", { className: DeviceMotionAlert['actions'] }, /*#__PURE__*/ + react.createElement("button", { className: DeviceMotionAlert['request-button'], onClick: function onClick() {return request();} }, "Allow Access"), /*#__PURE__*/ + react.createElement("button", { className: DeviceMotionAlert['dismiss-button'], onClick: function onClick() {return dismiss();} }, "Dismiss") + ) + ) + )); + +} + +DeviceMotionAlert_DeviceMotionAlert.propTypes = { + className: (prop_types_default()).string, + onDismiss: (prop_types_default()).func.isRequired +}; +;// CONCATENATED MODULE: ./src/assets/svgs/settings-icon.svg +const settings_icon_namespaceObject = "settings"; +;// CONCATENATED MODULE: ./src/components/Footer.pcss +// extracted by mini-css-extract-plugin +/* harmony default export */ const Footer = ({"root":"b3cf49","nav":"ff5f19","button":"e5448b"}); +;// CONCATENATED MODULE: ./src/components/Footer.jsx + + + + + + +function Footer_Footer(_ref) {var className = _ref.className,onOpenSettings = _ref.onOpenSettings; + return /*#__PURE__*/( + react.createElement("footer", { className: classnames_default()(Footer['root'], className) }, /*#__PURE__*/ + react.createElement("nav", { className: Footer['nav'] }, /*#__PURE__*/ + react.createElement("button", { className: Footer['button'], onClick: function onClick(event) {return onOpenSettings();}, dangerouslySetInnerHTML: { __html: settings_icon_namespaceObject } }) + ) + )); + +} + +Footer_Footer.propTypes = { + className: (prop_types_default()).string, + onOpenSettings: (prop_types_default()).func.isRequired +}; +// EXTERNAL MODULE: ./node_modules/cannon/build/cannon.js +var cannon = __webpack_require__(125); +var cannon_default = /*#__PURE__*/__webpack_require__.n(cannon); +// EXTERNAL MODULE: ./node_modules/spase/build/index.js +var build = __webpack_require__(538); +;// CONCATENATED MODULE: ./node_modules/three/build/three.module.js +// Polyfills + +if ( Number.EPSILON === undefined ) { + + Number.EPSILON = Math.pow( 2, - 52 ); + +} + +if ( Number.isInteger === undefined ) { + + // Missing in IE + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger + + Number.isInteger = function ( value ) { + + return typeof value === 'number' && isFinite( value ) && Math.floor( value ) === value; + + }; + +} + +// + +if ( Math.sign === undefined ) { + + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign + + Math.sign = function ( x ) { + + return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x; + + }; + +} + +if ( 'name' in Function.prototype === false ) { + + // Missing in IE + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name + + Object.defineProperty( Function.prototype, 'name', { + + get: function () { + + return this.toString().match( /^\s*function\s*([^\(\s]*)/ )[ 1 ]; + + } + + } ); + +} + +if ( Object.assign === undefined ) { + + // Missing in IE + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign + + Object.assign = function ( target ) { + + if ( target === undefined || target === null ) { + + throw new TypeError( 'Cannot convert undefined or null to object' ); + + } + + var output = Object( target ); + + for ( var index = 1; index < arguments.length; index ++ ) { + + var source = arguments[ index ]; + + if ( source !== undefined && source !== null ) { + + for ( var nextKey in source ) { + + if ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) { + + output[ nextKey ] = source[ nextKey ]; + + } + + } + + } + + } + + return output; + + }; + +} + +var REVISION = '114'; +var MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }; +var TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }; +var CullFaceNone = 0; +var CullFaceBack = 1; +var CullFaceFront = 2; +var CullFaceFrontBack = 3; +var FrontFaceDirectionCW = 0; +var FrontFaceDirectionCCW = 1; +var BasicShadowMap = 0; +var PCFShadowMap = 1; +var PCFSoftShadowMap = 2; +var VSMShadowMap = 3; +var FrontSide = 0; +var BackSide = 1; +var DoubleSide = 2; +var FlatShading = 1; +var SmoothShading = 2; +var NoBlending = 0; +var NormalBlending = 1; +var AdditiveBlending = 2; +var SubtractiveBlending = 3; +var MultiplyBlending = 4; +var CustomBlending = 5; +var AddEquation = 100; +var SubtractEquation = 101; +var ReverseSubtractEquation = 102; +var MinEquation = 103; +var MaxEquation = 104; +var ZeroFactor = 200; +var OneFactor = 201; +var SrcColorFactor = 202; +var OneMinusSrcColorFactor = 203; +var SrcAlphaFactor = 204; +var OneMinusSrcAlphaFactor = 205; +var DstAlphaFactor = 206; +var OneMinusDstAlphaFactor = 207; +var DstColorFactor = 208; +var OneMinusDstColorFactor = 209; +var SrcAlphaSaturateFactor = 210; +var NeverDepth = 0; +var AlwaysDepth = 1; +var LessDepth = 2; +var LessEqualDepth = 3; +var EqualDepth = 4; +var GreaterEqualDepth = 5; +var GreaterDepth = 6; +var NotEqualDepth = 7; +var MultiplyOperation = 0; +var MixOperation = 1; +var AddOperation = 2; +var NoToneMapping = 0; +var LinearToneMapping = 1; +var ReinhardToneMapping = 2; +var Uncharted2ToneMapping = 3; +var CineonToneMapping = 4; +var ACESFilmicToneMapping = 5; + +var UVMapping = 300; +var CubeReflectionMapping = 301; +var CubeRefractionMapping = 302; +var EquirectangularReflectionMapping = 303; +var EquirectangularRefractionMapping = 304; +var SphericalReflectionMapping = 305; +var CubeUVReflectionMapping = 306; +var CubeUVRefractionMapping = 307; +var RepeatWrapping = 1000; +var ClampToEdgeWrapping = 1001; +var MirroredRepeatWrapping = 1002; +var NearestFilter = 1003; +var NearestMipmapNearestFilter = 1004; +var NearestMipMapNearestFilter = 1004; +var NearestMipmapLinearFilter = 1005; +var NearestMipMapLinearFilter = 1005; +var LinearFilter = 1006; +var LinearMipmapNearestFilter = 1007; +var LinearMipMapNearestFilter = 1007; +var LinearMipmapLinearFilter = 1008; +var LinearMipMapLinearFilter = 1008; +var UnsignedByteType = 1009; +var ByteType = 1010; +var ShortType = 1011; +var UnsignedShortType = 1012; +var IntType = 1013; +var UnsignedIntType = 1014; +var FloatType = 1015; +var HalfFloatType = 1016; +var UnsignedShort4444Type = 1017; +var UnsignedShort5551Type = 1018; +var UnsignedShort565Type = 1019; +var UnsignedInt248Type = 1020; +var AlphaFormat = 1021; +var RGBFormat = 1022; +var RGBAFormat = 1023; +var LuminanceFormat = 1024; +var LuminanceAlphaFormat = 1025; +var RGBEFormat = RGBAFormat; +var DepthFormat = 1026; +var DepthStencilFormat = 1027; +var RedFormat = 1028; +var RedIntegerFormat = 1029; +var RGFormat = 1030; +var RGIntegerFormat = 1031; +var RGBIntegerFormat = 1032; +var RGBAIntegerFormat = 1033; + +var RGB_S3TC_DXT1_Format = 33776; +var RGBA_S3TC_DXT1_Format = 33777; +var RGBA_S3TC_DXT3_Format = 33778; +var RGBA_S3TC_DXT5_Format = 33779; +var RGB_PVRTC_4BPPV1_Format = 35840; +var RGB_PVRTC_2BPPV1_Format = 35841; +var RGBA_PVRTC_4BPPV1_Format = 35842; +var RGBA_PVRTC_2BPPV1_Format = 35843; +var RGB_ETC1_Format = 36196; +var RGB_ETC2_Format = 37492; +var RGBA_ETC2_EAC_Format = 37496; +var RGBA_ASTC_4x4_Format = 37808; +var RGBA_ASTC_5x4_Format = 37809; +var RGBA_ASTC_5x5_Format = 37810; +var RGBA_ASTC_6x5_Format = 37811; +var RGBA_ASTC_6x6_Format = 37812; +var RGBA_ASTC_8x5_Format = 37813; +var RGBA_ASTC_8x6_Format = 37814; +var RGBA_ASTC_8x8_Format = 37815; +var RGBA_ASTC_10x5_Format = 37816; +var RGBA_ASTC_10x6_Format = 37817; +var RGBA_ASTC_10x8_Format = 37818; +var RGBA_ASTC_10x10_Format = 37819; +var RGBA_ASTC_12x10_Format = 37820; +var RGBA_ASTC_12x12_Format = 37821; +var SRGB8_ALPHA8_ASTC_4x4_Format = 37840; +var SRGB8_ALPHA8_ASTC_5x4_Format = 37841; +var SRGB8_ALPHA8_ASTC_5x5_Format = 37842; +var SRGB8_ALPHA8_ASTC_6x5_Format = 37843; +var SRGB8_ALPHA8_ASTC_6x6_Format = 37844; +var SRGB8_ALPHA8_ASTC_8x5_Format = 37845; +var SRGB8_ALPHA8_ASTC_8x6_Format = 37846; +var SRGB8_ALPHA8_ASTC_8x8_Format = 37847; +var SRGB8_ALPHA8_ASTC_10x5_Format = 37848; +var SRGB8_ALPHA8_ASTC_10x6_Format = 37849; +var SRGB8_ALPHA8_ASTC_10x8_Format = 37850; +var SRGB8_ALPHA8_ASTC_10x10_Format = 37851; +var SRGB8_ALPHA8_ASTC_12x10_Format = 37852; +var SRGB8_ALPHA8_ASTC_12x12_Format = 37853; +var LoopOnce = 2200; +var LoopRepeat = 2201; +var LoopPingPong = 2202; +var InterpolateDiscrete = 2300; +var InterpolateLinear = 2301; +var InterpolateSmooth = 2302; +var ZeroCurvatureEnding = 2400; +var ZeroSlopeEnding = 2401; +var WrapAroundEnding = 2402; +var TrianglesDrawMode = 0; +var TriangleStripDrawMode = 1; +var TriangleFanDrawMode = 2; +var LinearEncoding = 3000; +var sRGBEncoding = 3001; +var GammaEncoding = 3007; +var RGBEEncoding = 3002; +var LogLuvEncoding = 3003; +var RGBM7Encoding = 3004; +var RGBM16Encoding = 3005; +var RGBDEncoding = 3006; +var BasicDepthPacking = 3200; +var RGBADepthPacking = 3201; +var TangentSpaceNormalMap = 0; +var ObjectSpaceNormalMap = 1; + +var ZeroStencilOp = 0; +var KeepStencilOp = 7680; +var ReplaceStencilOp = 7681; +var IncrementStencilOp = 7682; +var DecrementStencilOp = 7683; +var IncrementWrapStencilOp = 34055; +var DecrementWrapStencilOp = 34056; +var InvertStencilOp = 5386; + +var NeverStencilFunc = 512; +var LessStencilFunc = 513; +var EqualStencilFunc = 514; +var LessEqualStencilFunc = 515; +var GreaterStencilFunc = 516; +var NotEqualStencilFunc = 517; +var GreaterEqualStencilFunc = 518; +var AlwaysStencilFunc = 519; + +var StaticDrawUsage = 35044; +var DynamicDrawUsage = 35048; +var StreamDrawUsage = 35040; +var StaticReadUsage = 35045; +var DynamicReadUsage = 35049; +var StreamReadUsage = 35041; +var StaticCopyUsage = 35046; +var DynamicCopyUsage = 35050; +var StreamCopyUsage = 35042; + +/** + * https://github.com/mrdoob/eventdispatcher.js/ + */ + +function EventDispatcher() {} + +Object.assign( EventDispatcher.prototype, { + + addEventListener: function ( type, listener ) { + + if ( this._listeners === undefined ) this._listeners = {}; + + var listeners = this._listeners; + + if ( listeners[ type ] === undefined ) { + + listeners[ type ] = []; + + } + + if ( listeners[ type ].indexOf( listener ) === - 1 ) { + + listeners[ type ].push( listener ); + + } + + }, + + hasEventListener: function ( type, listener ) { + + if ( this._listeners === undefined ) return false; + + var listeners = this._listeners; + + return listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1; + + }, + + removeEventListener: function ( type, listener ) { + + if ( this._listeners === undefined ) return; + + var listeners = this._listeners; + var listenerArray = listeners[ type ]; + + if ( listenerArray !== undefined ) { + + var index = listenerArray.indexOf( listener ); + + if ( index !== - 1 ) { + + listenerArray.splice( index, 1 ); + + } + + } + + }, + + dispatchEvent: function ( event ) { + + if ( this._listeners === undefined ) return; + + var listeners = this._listeners; + var listenerArray = listeners[ event.type ]; + + if ( listenerArray !== undefined ) { + + event.target = this; + + var array = listenerArray.slice( 0 ); + + for ( var i = 0, l = array.length; i < l; i ++ ) { + + array[ i ].call( this, event ); + + } + + } + + } + +} ); + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + * @author thezwap + */ + +var _lut = []; + +for ( var i = 0; i < 256; i ++ ) { + + _lut[ i ] = ( i < 16 ? '0' : '' ) + ( i ).toString( 16 ); + +} + +var MathUtils = { + + DEG2RAD: Math.PI / 180, + RAD2DEG: 180 / Math.PI, + + generateUUID: function () { + + // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136 + + var d0 = Math.random() * 0xffffffff | 0; + var d1 = Math.random() * 0xffffffff | 0; + var d2 = Math.random() * 0xffffffff | 0; + var d3 = Math.random() * 0xffffffff | 0; + var uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' + + _lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' + + _lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] + + _lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ]; + + // .toUpperCase() here flattens concatenated strings to save heap memory space. + return uuid.toUpperCase(); + + }, + + clamp: function ( value, min, max ) { + + return Math.max( min, Math.min( max, value ) ); + + }, + + // compute euclidian modulo of m % n + // https://en.wikipedia.org/wiki/Modulo_operation + + euclideanModulo: function ( n, m ) { + + return ( ( n % m ) + m ) % m; + + }, + + // Linear mapping from range to range + + mapLinear: function ( x, a1, a2, b1, b2 ) { + + return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 ); + + }, + + // https://en.wikipedia.org/wiki/Linear_interpolation + + lerp: function ( x, y, t ) { + + return ( 1 - t ) * x + t * y; + + }, + + // http://en.wikipedia.org/wiki/Smoothstep + + smoothstep: function ( x, min, max ) { + + if ( x <= min ) return 0; + if ( x >= max ) return 1; + + x = ( x - min ) / ( max - min ); + + return x * x * ( 3 - 2 * x ); + + }, + + smootherstep: function ( x, min, max ) { + + if ( x <= min ) return 0; + if ( x >= max ) return 1; + + x = ( x - min ) / ( max - min ); + + return x * x * x * ( x * ( x * 6 - 15 ) + 10 ); + + }, + + // Random integer from interval + + randInt: function ( low, high ) { + + return low + Math.floor( Math.random() * ( high - low + 1 ) ); + + }, + + // Random float from interval + + randFloat: function ( low, high ) { + + return low + Math.random() * ( high - low ); + + }, + + // Random float from <-range/2, range/2> interval + + randFloatSpread: function ( range ) { + + return range * ( 0.5 - Math.random() ); + + }, + + degToRad: function ( degrees ) { + + return degrees * MathUtils.DEG2RAD; + + }, + + radToDeg: function ( radians ) { + + return radians * MathUtils.RAD2DEG; + + }, + + isPowerOfTwo: function ( value ) { + + return ( value & ( value - 1 ) ) === 0 && value !== 0; + + }, + + ceilPowerOfTwo: function ( value ) { + + return Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) ); + + }, + + floorPowerOfTwo: function ( value ) { + + return Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) ); + + }, + + setQuaternionFromProperEuler: function ( q, a, b, c, order ) { + + // Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles + + // rotations are applied to the axes in the order specified by 'order' + // rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c' + // angles are in radians + + var cos = Math.cos; + var sin = Math.sin; + + var c2 = cos( b / 2 ); + var s2 = sin( b / 2 ); + + var c13 = cos( ( a + c ) / 2 ); + var s13 = sin( ( a + c ) / 2 ); + + var c1_3 = cos( ( a - c ) / 2 ); + var s1_3 = sin( ( a - c ) / 2 ); + + var c3_1 = cos( ( c - a ) / 2 ); + var s3_1 = sin( ( c - a ) / 2 ); + + if ( order === 'XYX' ) { + + q.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 ); + + } else if ( order === 'YZY' ) { + + q.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 ); + + } else if ( order === 'ZXZ' ) { + + q.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 ); + + } else if ( order === 'XZX' ) { + + q.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 ); + + } else if ( order === 'YXY' ) { + + q.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 ); + + } else if ( order === 'ZYZ' ) { + + q.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 ); + + } else { + + console.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order.' ); + + } + + } + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author philogb / http://blog.thejit.org/ + * @author egraether / http://egraether.com/ + * @author zz85 / http://www.lab4games.net/zz85/blog + */ + +function Vector2( x, y ) { + + this.x = x || 0; + this.y = y || 0; + +} + +Object.defineProperties( Vector2.prototype, { + + "width": { + + get: function () { + + return this.x; + + }, + + set: function ( value ) { + + this.x = value; + + } + + }, + + "height": { + + get: function () { + + return this.y; + + }, + + set: function ( value ) { + + this.y = value; + + } + + } + +} ); + +Object.assign( Vector2.prototype, { + + isVector2: true, + + set: function ( x, y ) { + + this.x = x; + this.y = y; + + return this; + + }, + + setScalar: function ( scalar ) { + + this.x = scalar; + this.y = scalar; + + return this; + + }, + + setX: function ( x ) { + + this.x = x; + + return this; + + }, + + setY: function ( y ) { + + this.y = y; + + return this; + + }, + + setComponent: function ( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + }, + + getComponent: function ( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + default: throw new Error( 'index is out of range: ' + index ); + + } + + }, + + clone: function () { + + return new this.constructor( this.x, this.y ); + + }, + + copy: function ( v ) { + + this.x = v.x; + this.y = v.y; + + return this; + + }, + + add: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); + + } + + this.x += v.x; + this.y += v.y; + + return this; + + }, + + addScalar: function ( s ) { + + this.x += s; + this.y += s; + + return this; + + }, + + addVectors: function ( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + + return this; + + }, + + addScaledVector: function ( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + + return this; + + }, + + sub: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); + + } + + this.x -= v.x; + this.y -= v.y; + + return this; + + }, + + subScalar: function ( s ) { + + this.x -= s; + this.y -= s; + + return this; + + }, + + subVectors: function ( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + + return this; + + }, + + multiply: function ( v ) { + + this.x *= v.x; + this.y *= v.y; + + return this; + + }, + + multiplyScalar: function ( scalar ) { + + this.x *= scalar; + this.y *= scalar; + + return this; + + }, + + divide: function ( v ) { + + this.x /= v.x; + this.y /= v.y; + + return this; + + }, + + divideScalar: function ( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + }, + + applyMatrix3: function ( m ) { + + var x = this.x, y = this.y; + var e = m.elements; + + this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ]; + this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ]; + + return this; + + }, + + min: function ( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + + return this; + + }, + + max: function ( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + + return this; + + }, + + clamp: function ( min, max ) { + + // assumes min < max, componentwise + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + + return this; + + }, + + clampScalar: function ( minVal, maxVal ) { + + this.x = Math.max( minVal, Math.min( maxVal, this.x ) ); + this.y = Math.max( minVal, Math.min( maxVal, this.y ) ); + + return this; + + }, + + clampLength: function ( min, max ) { + + var length = this.length(); + + return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) ); + + }, + + floor: function () { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + + return this; + + }, + + ceil: function () { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + + return this; + + }, + + round: function () { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + + return this; + + }, + + roundToZero: function () { + + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + + return this; + + }, + + negate: function () { + + this.x = - this.x; + this.y = - this.y; + + return this; + + }, + + dot: function ( v ) { + + return this.x * v.x + this.y * v.y; + + }, + + cross: function ( v ) { + + return this.x * v.y - this.y * v.x; + + }, + + lengthSq: function () { + + return this.x * this.x + this.y * this.y; + + }, + + length: function () { + + return Math.sqrt( this.x * this.x + this.y * this.y ); + + }, + + manhattanLength: function () { + + return Math.abs( this.x ) + Math.abs( this.y ); + + }, + + normalize: function () { + + return this.divideScalar( this.length() || 1 ); + + }, + + angle: function () { + + // computes the angle in radians with respect to the positive x-axis + + var angle = Math.atan2( - this.y, - this.x ) + Math.PI; + + return angle; + + }, + + distanceTo: function ( v ) { + + return Math.sqrt( this.distanceToSquared( v ) ); + + }, + + distanceToSquared: function ( v ) { + + var dx = this.x - v.x, dy = this.y - v.y; + return dx * dx + dy * dy; + + }, + + manhattanDistanceTo: function ( v ) { + + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ); + + }, + + setLength: function ( length ) { + + return this.normalize().multiplyScalar( length ); + + }, + + lerp: function ( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + + return this; + + }, + + lerpVectors: function ( v1, v2, alpha ) { + + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); + + }, + + equals: function ( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) ); + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + + return array; + + }, + + fromBufferAttribute: function ( attribute, index, offset ) { + + if ( offset !== undefined ) { + + console.warn( 'THREE.Vector2: offset has been removed from .fromBufferAttribute().' ); + + } + + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + + return this; + + }, + + rotateAround: function ( center, angle ) { + + var c = Math.cos( angle ), s = Math.sin( angle ); + + var x = this.x - center.x; + var y = this.y - center.y; + + this.x = x * c - y * s + center.x; + this.y = x * s + y * c + center.y; + + return this; + + } + +} ); + +/** + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + * @author tschw + */ + +function Matrix3() { + + this.elements = [ + + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + + ]; + + if ( arguments.length > 0 ) { + + console.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' ); + + } + +} + +Object.assign( Matrix3.prototype, { + + isMatrix3: true, + + set: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { + + var te = this.elements; + + te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31; + te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32; + te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33; + + return this; + + }, + + identity: function () { + + this.set( + + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + + ); + + return this; + + }, + + clone: function () { + + return new this.constructor().fromArray( this.elements ); + + }, + + copy: function ( m ) { + + var te = this.elements; + var me = m.elements; + + te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; + te[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; + te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ]; + + return this; + + }, + + extractBasis: function ( xAxis, yAxis, zAxis ) { + + xAxis.setFromMatrix3Column( this, 0 ); + yAxis.setFromMatrix3Column( this, 1 ); + zAxis.setFromMatrix3Column( this, 2 ); + + return this; + + }, + + setFromMatrix4: function ( m ) { + + var me = m.elements; + + this.set( + + me[ 0 ], me[ 4 ], me[ 8 ], + me[ 1 ], me[ 5 ], me[ 9 ], + me[ 2 ], me[ 6 ], me[ 10 ] + + ); + + return this; + + }, + + multiply: function ( m ) { + + return this.multiplyMatrices( this, m ); + + }, + + premultiply: function ( m ) { + + return this.multiplyMatrices( m, this ); + + }, + + multiplyMatrices: function ( a, b ) { + + var ae = a.elements; + var be = b.elements; + var te = this.elements; + + var a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ]; + var a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ]; + var a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ]; + + var b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ]; + var b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ]; + var b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ]; + + te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31; + te[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32; + te[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33; + + te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31; + te[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32; + te[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33; + + te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31; + te[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32; + te[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33; + + return this; + + }, + + multiplyScalar: function ( s ) { + + var te = this.elements; + + te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s; + te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s; + te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s; + + return this; + + }, + + determinant: function () { + + var te = this.elements; + + var a = te[ 0 ], b = te[ 1 ], c = te[ 2 ], + d = te[ 3 ], e = te[ 4 ], f = te[ 5 ], + g = te[ 6 ], h = te[ 7 ], i = te[ 8 ]; + + return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; + + }, + + getInverse: function ( matrix, throwOnDegenerate ) { + + if ( matrix && matrix.isMatrix4 ) { + + console.error( "THREE.Matrix3: .getInverse() no longer takes a Matrix4 argument." ); + + } + + var me = matrix.elements, + te = this.elements, + + n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], + n12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ], + n13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ], + + t11 = n33 * n22 - n32 * n23, + t12 = n32 * n13 - n33 * n12, + t13 = n23 * n12 - n22 * n13, + + det = n11 * t11 + n21 * t12 + n31 * t13; + + if ( det === 0 ) { + + var msg = "THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0"; + + if ( throwOnDegenerate === true ) { + + throw new Error( msg ); + + } else { + + console.warn( msg ); + + } + + return this.identity(); + + } + + var detInv = 1 / det; + + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv; + te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv; + + te[ 3 ] = t12 * detInv; + te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv; + te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv; + + te[ 6 ] = t13 * detInv; + te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv; + te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv; + + return this; + + }, + + transpose: function () { + + var tmp, m = this.elements; + + tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp; + tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp; + tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp; + + return this; + + }, + + getNormalMatrix: function ( matrix4 ) { + + return this.setFromMatrix4( matrix4 ).getInverse( this ).transpose(); + + }, + + transposeIntoArray: function ( r ) { + + var m = this.elements; + + r[ 0 ] = m[ 0 ]; + r[ 1 ] = m[ 3 ]; + r[ 2 ] = m[ 6 ]; + r[ 3 ] = m[ 1 ]; + r[ 4 ] = m[ 4 ]; + r[ 5 ] = m[ 7 ]; + r[ 6 ] = m[ 2 ]; + r[ 7 ] = m[ 5 ]; + r[ 8 ] = m[ 8 ]; + + return this; + + }, + + setUvTransform: function ( tx, ty, sx, sy, rotation, cx, cy ) { + + var c = Math.cos( rotation ); + var s = Math.sin( rotation ); + + this.set( + sx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx, + - sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty, + 0, 0, 1 + ); + + }, + + scale: function ( sx, sy ) { + + var te = this.elements; + + te[ 0 ] *= sx; te[ 3 ] *= sx; te[ 6 ] *= sx; + te[ 1 ] *= sy; te[ 4 ] *= sy; te[ 7 ] *= sy; + + return this; + + }, + + rotate: function ( theta ) { + + var c = Math.cos( theta ); + var s = Math.sin( theta ); + + var te = this.elements; + + var a11 = te[ 0 ], a12 = te[ 3 ], a13 = te[ 6 ]; + var a21 = te[ 1 ], a22 = te[ 4 ], a23 = te[ 7 ]; + + te[ 0 ] = c * a11 + s * a21; + te[ 3 ] = c * a12 + s * a22; + te[ 6 ] = c * a13 + s * a23; + + te[ 1 ] = - s * a11 + c * a21; + te[ 4 ] = - s * a12 + c * a22; + te[ 7 ] = - s * a13 + c * a23; + + return this; + + }, + + translate: function ( tx, ty ) { + + var te = this.elements; + + te[ 0 ] += tx * te[ 2 ]; te[ 3 ] += tx * te[ 5 ]; te[ 6 ] += tx * te[ 8 ]; + te[ 1 ] += ty * te[ 2 ]; te[ 4 ] += ty * te[ 5 ]; te[ 7 ] += ty * te[ 8 ]; + + return this; + + }, + + equals: function ( matrix ) { + + var te = this.elements; + var me = matrix.elements; + + for ( var i = 0; i < 9; i ++ ) { + + if ( te[ i ] !== me[ i ] ) return false; + + } + + return true; + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + for ( var i = 0; i < 9; i ++ ) { + + this.elements[ i ] = array[ i + offset ]; + + } + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + var te = this.elements; + + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + + array[ offset + 3 ] = te[ 3 ]; + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + array[ offset + 8 ] = te[ 8 ]; + + return array; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author szimek / https://github.com/szimek/ + */ + +var _canvas; + +var ImageUtils = { + + getDataURL: function ( image ) { + + var canvas; + + if ( typeof HTMLCanvasElement == 'undefined' ) { + + return image.src; + + } else if ( image instanceof HTMLCanvasElement ) { + + canvas = image; + + } else { + + if ( _canvas === undefined ) _canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + + _canvas.width = image.width; + _canvas.height = image.height; + + var context = _canvas.getContext( '2d' ); + + if ( image instanceof ImageData ) { + + context.putImageData( image, 0, 0 ); + + } else { + + context.drawImage( image, 0, 0, image.width, image.height ); + + } + + canvas = _canvas; + + } + + if ( canvas.width > 2048 || canvas.height > 2048 ) { + + return canvas.toDataURL( 'image/jpeg', 0.6 ); + + } else { + + return canvas.toDataURL( 'image/png' ); + + } + + } + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author szimek / https://github.com/szimek/ + */ + +var textureId = 0; + +function Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { + + Object.defineProperty( this, 'id', { value: textureId ++ } ); + + this.uuid = MathUtils.generateUUID(); + + this.name = ''; + + this.image = image !== undefined ? image : Texture.DEFAULT_IMAGE; + this.mipmaps = []; + + this.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING; + + this.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping; + this.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping; + + this.magFilter = magFilter !== undefined ? magFilter : LinearFilter; + this.minFilter = minFilter !== undefined ? minFilter : LinearMipmapLinearFilter; + + this.anisotropy = anisotropy !== undefined ? anisotropy : 1; + + this.format = format !== undefined ? format : RGBAFormat; + this.internalFormat = null; + this.type = type !== undefined ? type : UnsignedByteType; + + this.offset = new Vector2( 0, 0 ); + this.repeat = new Vector2( 1, 1 ); + this.center = new Vector2( 0, 0 ); + this.rotation = 0; + + this.matrixAutoUpdate = true; + this.matrix = new Matrix3(); + + this.generateMipmaps = true; + this.premultiplyAlpha = false; + this.flipY = true; + this.unpackAlignment = 4; // valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml) + + // Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap. + // + // Also changing the encoding after already used by a Material will not automatically make the Material + // update. You need to explicitly call Material.needsUpdate to trigger it to recompile. + this.encoding = encoding !== undefined ? encoding : LinearEncoding; + + this.version = 0; + this.onUpdate = null; + +} + +Texture.DEFAULT_IMAGE = undefined; +Texture.DEFAULT_MAPPING = UVMapping; + +Texture.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { + + constructor: Texture, + + isTexture: true, + + updateMatrix: function () { + + this.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y ); + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( source ) { + + this.name = source.name; + + this.image = source.image; + this.mipmaps = source.mipmaps.slice( 0 ); + + this.mapping = source.mapping; + + this.wrapS = source.wrapS; + this.wrapT = source.wrapT; + + this.magFilter = source.magFilter; + this.minFilter = source.minFilter; + + this.anisotropy = source.anisotropy; + + this.format = source.format; + this.internalFormat = source.internalFormat; + this.type = source.type; + + this.offset.copy( source.offset ); + this.repeat.copy( source.repeat ); + this.center.copy( source.center ); + this.rotation = source.rotation; + + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrix.copy( source.matrix ); + + this.generateMipmaps = source.generateMipmaps; + this.premultiplyAlpha = source.premultiplyAlpha; + this.flipY = source.flipY; + this.unpackAlignment = source.unpackAlignment; + this.encoding = source.encoding; + + return this; + + }, + + toJSON: function ( meta ) { + + var isRootObject = ( meta === undefined || typeof meta === 'string' ); + + if ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) { + + return meta.textures[ this.uuid ]; + + } + + var output = { + + metadata: { + version: 4.5, + type: 'Texture', + generator: 'Texture.toJSON' + }, + + uuid: this.uuid, + name: this.name, + + mapping: this.mapping, + + repeat: [ this.repeat.x, this.repeat.y ], + offset: [ this.offset.x, this.offset.y ], + center: [ this.center.x, this.center.y ], + rotation: this.rotation, + + wrap: [ this.wrapS, this.wrapT ], + + format: this.format, + type: this.type, + encoding: this.encoding, + + minFilter: this.minFilter, + magFilter: this.magFilter, + anisotropy: this.anisotropy, + + flipY: this.flipY, + + premultiplyAlpha: this.premultiplyAlpha, + unpackAlignment: this.unpackAlignment + + }; + + if ( this.image !== undefined ) { + + // TODO: Move to THREE.Image + + var image = this.image; + + if ( image.uuid === undefined ) { + + image.uuid = MathUtils.generateUUID(); // UGH + + } + + if ( ! isRootObject && meta.images[ image.uuid ] === undefined ) { + + var url; + + if ( Array.isArray( image ) ) { + + // process array of images e.g. CubeTexture + + url = []; + + for ( var i = 0, l = image.length; i < l; i ++ ) { + + url.push( ImageUtils.getDataURL( image[ i ] ) ); + + } + + } else { + + // process single image + + url = ImageUtils.getDataURL( image ); + + } + + meta.images[ image.uuid ] = { + uuid: image.uuid, + url: url + }; + + } + + output.image = image.uuid; + + } + + if ( ! isRootObject ) { + + meta.textures[ this.uuid ] = output; + + } + + return output; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + }, + + transformUv: function ( uv ) { + + if ( this.mapping !== UVMapping ) return uv; + + uv.applyMatrix3( this.matrix ); + + if ( uv.x < 0 || uv.x > 1 ) { + + switch ( this.wrapS ) { + + case RepeatWrapping: + + uv.x = uv.x - Math.floor( uv.x ); + break; + + case ClampToEdgeWrapping: + + uv.x = uv.x < 0 ? 0 : 1; + break; + + case MirroredRepeatWrapping: + + if ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) { + + uv.x = Math.ceil( uv.x ) - uv.x; + + } else { + + uv.x = uv.x - Math.floor( uv.x ); + + } + break; + + } + + } + + if ( uv.y < 0 || uv.y > 1 ) { + + switch ( this.wrapT ) { + + case RepeatWrapping: + + uv.y = uv.y - Math.floor( uv.y ); + break; + + case ClampToEdgeWrapping: + + uv.y = uv.y < 0 ? 0 : 1; + break; + + case MirroredRepeatWrapping: + + if ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) { + + uv.y = Math.ceil( uv.y ) - uv.y; + + } else { + + uv.y = uv.y - Math.floor( uv.y ); + + } + break; + + } + + } + + if ( this.flipY ) { + + uv.y = 1 - uv.y; + + } + + return uv; + + } + +} ); + +Object.defineProperty( Texture.prototype, "needsUpdate", { + + set: function ( value ) { + + if ( value === true ) this.version ++; + + } + +} ); + +/** + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author philogb / http://blog.thejit.org/ + * @author mikael emtinger / http://gomo.se/ + * @author egraether / http://egraether.com/ + * @author WestLangley / http://github.com/WestLangley + */ + +function Vector4( x, y, z, w ) { + + this.x = x || 0; + this.y = y || 0; + this.z = z || 0; + this.w = ( w !== undefined ) ? w : 1; + +} + +Object.defineProperties( Vector4.prototype, { + + "width": { + + get: function () { + + return this.z; + + }, + + set: function ( value ) { + + this.z = value; + + } + + }, + + "height": { + + get: function () { + + return this.w; + + }, + + set: function ( value ) { + + this.w = value; + + } + + } + +} ); + +Object.assign( Vector4.prototype, { + + isVector4: true, + + set: function ( x, y, z, w ) { + + this.x = x; + this.y = y; + this.z = z; + this.w = w; + + return this; + + }, + + setScalar: function ( scalar ) { + + this.x = scalar; + this.y = scalar; + this.z = scalar; + this.w = scalar; + + return this; + + }, + + setX: function ( x ) { + + this.x = x; + + return this; + + }, + + setY: function ( y ) { + + this.y = y; + + return this; + + }, + + setZ: function ( z ) { + + this.z = z; + + return this; + + }, + + setW: function ( w ) { + + this.w = w; + + return this; + + }, + + setComponent: function ( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + case 3: this.w = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + }, + + getComponent: function ( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + case 3: return this.w; + default: throw new Error( 'index is out of range: ' + index ); + + } + + }, + + clone: function () { + + return new this.constructor( this.x, this.y, this.z, this.w ); + + }, + + copy: function ( v ) { + + this.x = v.x; + this.y = v.y; + this.z = v.z; + this.w = ( v.w !== undefined ) ? v.w : 1; + + return this; + + }, + + add: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); + + } + + this.x += v.x; + this.y += v.y; + this.z += v.z; + this.w += v.w; + + return this; + + }, + + addScalar: function ( s ) { + + this.x += s; + this.y += s; + this.z += s; + this.w += s; + + return this; + + }, + + addVectors: function ( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + this.w = a.w + b.w; + + return this; + + }, + + addScaledVector: function ( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + this.w += v.w * s; + + return this; + + }, + + sub: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); + + } + + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + this.w -= v.w; + + return this; + + }, + + subScalar: function ( s ) { + + this.x -= s; + this.y -= s; + this.z -= s; + this.w -= s; + + return this; + + }, + + subVectors: function ( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + this.w = a.w - b.w; + + return this; + + }, + + multiplyScalar: function ( scalar ) { + + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + this.w *= scalar; + + return this; + + }, + + applyMatrix4: function ( m ) { + + var x = this.x, y = this.y, z = this.z, w = this.w; + var e = m.elements; + + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w; + this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w; + + return this; + + }, + + divideScalar: function ( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + }, + + setAxisAngleFromQuaternion: function ( q ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm + + // q is assumed to be normalized + + this.w = 2 * Math.acos( q.w ); + + var s = Math.sqrt( 1 - q.w * q.w ); + + if ( s < 0.0001 ) { + + this.x = 1; + this.y = 0; + this.z = 0; + + } else { + + this.x = q.x / s; + this.y = q.y / s; + this.z = q.z / s; + + } + + return this; + + }, + + setAxisAngleFromRotationMatrix: function ( m ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + var angle, x, y, z, // variables for result + epsilon = 0.01, // margin to allow for rounding errors + epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees + + te = m.elements, + + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + + if ( ( Math.abs( m12 - m21 ) < epsilon ) && + ( Math.abs( m13 - m31 ) < epsilon ) && + ( Math.abs( m23 - m32 ) < epsilon ) ) { + + // singularity found + // first check for identity matrix which must have +1 for all terms + // in leading diagonal and zero in other terms + + if ( ( Math.abs( m12 + m21 ) < epsilon2 ) && + ( Math.abs( m13 + m31 ) < epsilon2 ) && + ( Math.abs( m23 + m32 ) < epsilon2 ) && + ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) { + + // this singularity is identity matrix so angle = 0 + + this.set( 1, 0, 0, 0 ); + + return this; // zero angle, arbitrary axis + + } + + // otherwise this singularity is angle = 180 + + angle = Math.PI; + + var xx = ( m11 + 1 ) / 2; + var yy = ( m22 + 1 ) / 2; + var zz = ( m33 + 1 ) / 2; + var xy = ( m12 + m21 ) / 4; + var xz = ( m13 + m31 ) / 4; + var yz = ( m23 + m32 ) / 4; + + if ( ( xx > yy ) && ( xx > zz ) ) { + + // m11 is the largest diagonal term + + if ( xx < epsilon ) { + + x = 0; + y = 0.707106781; + z = 0.707106781; + + } else { + + x = Math.sqrt( xx ); + y = xy / x; + z = xz / x; + + } + + } else if ( yy > zz ) { + + // m22 is the largest diagonal term + + if ( yy < epsilon ) { + + x = 0.707106781; + y = 0; + z = 0.707106781; + + } else { + + y = Math.sqrt( yy ); + x = xy / y; + z = yz / y; + + } + + } else { + + // m33 is the largest diagonal term so base result on this + + if ( zz < epsilon ) { + + x = 0.707106781; + y = 0.707106781; + z = 0; + + } else { + + z = Math.sqrt( zz ); + x = xz / z; + y = yz / z; + + } + + } + + this.set( x, y, z, angle ); + + return this; // return 180 deg rotation + + } + + // as we have reached here there are no singularities so we can handle normally + + var s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) + + ( m13 - m31 ) * ( m13 - m31 ) + + ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize + + if ( Math.abs( s ) < 0.001 ) s = 1; + + // prevent divide by zero, should not happen if matrix is orthogonal and should be + // caught by singularity test above, but I've left it in just in case + + this.x = ( m32 - m23 ) / s; + this.y = ( m13 - m31 ) / s; + this.z = ( m21 - m12 ) / s; + this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 ); + + return this; + + }, + + min: function ( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + this.w = Math.min( this.w, v.w ); + + return this; + + }, + + max: function ( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + this.w = Math.max( this.w, v.w ); + + return this; + + }, + + clamp: function ( min, max ) { + + // assumes min < max, componentwise + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + this.w = Math.max( min.w, Math.min( max.w, this.w ) ); + + return this; + + }, + + clampScalar: function ( minVal, maxVal ) { + + this.x = Math.max( minVal, Math.min( maxVal, this.x ) ); + this.y = Math.max( minVal, Math.min( maxVal, this.y ) ); + this.z = Math.max( minVal, Math.min( maxVal, this.z ) ); + this.w = Math.max( minVal, Math.min( maxVal, this.w ) ); + + return this; + + }, + + clampLength: function ( min, max ) { + + var length = this.length(); + + return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) ); + + }, + + floor: function () { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + this.w = Math.floor( this.w ); + + return this; + + }, + + ceil: function () { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + this.w = Math.ceil( this.w ); + + return this; + + }, + + round: function () { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + this.w = Math.round( this.w ); + + return this; + + }, + + roundToZero: function () { + + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); + this.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w ); + + return this; + + }, + + negate: function () { + + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + this.w = - this.w; + + return this; + + }, + + dot: function ( v ) { + + return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; + + }, + + lengthSq: function () { + + return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; + + }, + + length: function () { + + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w ); + + }, + + manhattanLength: function () { + + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w ); + + }, + + normalize: function () { + + return this.divideScalar( this.length() || 1 ); + + }, + + setLength: function ( length ) { + + return this.normalize().multiplyScalar( length ); + + }, + + lerp: function ( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + this.w += ( v.w - this.w ) * alpha; + + return this; + + }, + + lerpVectors: function ( v1, v2, alpha ) { + + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); + + }, + + equals: function ( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) ); + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + this.w = array[ offset + 3 ]; + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + array[ offset + 3 ] = this.w; + + return array; + + }, + + fromBufferAttribute: function ( attribute, index, offset ) { + + if ( offset !== undefined ) { + + console.warn( 'THREE.Vector4: offset has been removed from .fromBufferAttribute().' ); + + } + + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + this.z = attribute.getZ( index ); + this.w = attribute.getW( index ); + + return this; + + } + +} ); + +/** + * @author szimek / https://github.com/szimek/ + * @author alteredq / http://alteredqualia.com/ + * @author Marius Kintel / https://github.com/kintel + */ + +/* + In options, we can specify: + * Texture parameters for an auto-generated target texture + * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers +*/ +function WebGLRenderTarget( width, height, options ) { + + this.width = width; + this.height = height; + + this.scissor = new Vector4( 0, 0, width, height ); + this.scissorTest = false; + + this.viewport = new Vector4( 0, 0, width, height ); + + options = options || {}; + + this.texture = new Texture( undefined, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding ); + + this.texture.image = {}; + this.texture.image.width = width; + this.texture.image.height = height; + + this.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false; + this.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter; + + this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true; + this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true; + this.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null; + +} + +WebGLRenderTarget.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { + + constructor: WebGLRenderTarget, + + isWebGLRenderTarget: true, + + setSize: function ( width, height ) { + + if ( this.width !== width || this.height !== height ) { + + this.width = width; + this.height = height; + + this.texture.image.width = width; + this.texture.image.height = height; + + this.dispose(); + + } + + this.viewport.set( 0, 0, width, height ); + this.scissor.set( 0, 0, width, height ); + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( source ) { + + this.width = source.width; + this.height = source.height; + + this.viewport.copy( source.viewport ); + + this.texture = source.texture.clone(); + + this.depthBuffer = source.depthBuffer; + this.stencilBuffer = source.stencilBuffer; + this.depthTexture = source.depthTexture; + + return this; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +} ); + +/** + * @author Mugen87 / https://github.com/Mugen87 + * @author Matt DesLauriers / @mattdesl + */ + +function WebGLMultisampleRenderTarget( width, height, options ) { + + WebGLRenderTarget.call( this, width, height, options ); + + this.samples = 4; + +} + +WebGLMultisampleRenderTarget.prototype = Object.assign( Object.create( WebGLRenderTarget.prototype ), { + + constructor: WebGLMultisampleRenderTarget, + + isWebGLMultisampleRenderTarget: true, + + copy: function ( source ) { + + WebGLRenderTarget.prototype.copy.call( this, source ); + + this.samples = source.samples; + + return this; + + } + +} ); + +/** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + */ + +function Quaternion( x, y, z, w ) { + + this._x = x || 0; + this._y = y || 0; + this._z = z || 0; + this._w = ( w !== undefined ) ? w : 1; + +} + +Object.assign( Quaternion, { + + slerp: function ( qa, qb, qm, t ) { + + return qm.copy( qa ).slerp( qb, t ); + + }, + + slerpFlat: function ( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) { + + // fuzz-free, array-based Quaternion SLERP operation + + var x0 = src0[ srcOffset0 + 0 ], + y0 = src0[ srcOffset0 + 1 ], + z0 = src0[ srcOffset0 + 2 ], + w0 = src0[ srcOffset0 + 3 ], + + x1 = src1[ srcOffset1 + 0 ], + y1 = src1[ srcOffset1 + 1 ], + z1 = src1[ srcOffset1 + 2 ], + w1 = src1[ srcOffset1 + 3 ]; + + if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) { + + var s = 1 - t, + + cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, + + dir = ( cos >= 0 ? 1 : - 1 ), + sqrSin = 1 - cos * cos; + + // Skip the Slerp for tiny steps to avoid numeric problems: + if ( sqrSin > Number.EPSILON ) { + + var sin = Math.sqrt( sqrSin ), + len = Math.atan2( sin, cos * dir ); + + s = Math.sin( s * len ) / sin; + t = Math.sin( t * len ) / sin; + + } + + var tDir = t * dir; + + x0 = x0 * s + x1 * tDir; + y0 = y0 * s + y1 * tDir; + z0 = z0 * s + z1 * tDir; + w0 = w0 * s + w1 * tDir; + + // Normalize in case we just did a lerp: + if ( s === 1 - t ) { + + var f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 ); + + x0 *= f; + y0 *= f; + z0 *= f; + w0 *= f; + + } + + } + + dst[ dstOffset ] = x0; + dst[ dstOffset + 1 ] = y0; + dst[ dstOffset + 2 ] = z0; + dst[ dstOffset + 3 ] = w0; + + } + +} ); + +Object.defineProperties( Quaternion.prototype, { + + x: { + + get: function () { + + return this._x; + + }, + + set: function ( value ) { + + this._x = value; + this._onChangeCallback(); + + } + + }, + + y: { + + get: function () { + + return this._y; + + }, + + set: function ( value ) { + + this._y = value; + this._onChangeCallback(); + + } + + }, + + z: { + + get: function () { + + return this._z; + + }, + + set: function ( value ) { + + this._z = value; + this._onChangeCallback(); + + } + + }, + + w: { + + get: function () { + + return this._w; + + }, + + set: function ( value ) { + + this._w = value; + this._onChangeCallback(); + + } + + } + +} ); + +Object.assign( Quaternion.prototype, { + + isQuaternion: true, + + set: function ( x, y, z, w ) { + + this._x = x; + this._y = y; + this._z = z; + this._w = w; + + this._onChangeCallback(); + + return this; + + }, + + clone: function () { + + return new this.constructor( this._x, this._y, this._z, this._w ); + + }, + + copy: function ( quaternion ) { + + this._x = quaternion.x; + this._y = quaternion.y; + this._z = quaternion.z; + this._w = quaternion.w; + + this._onChangeCallback(); + + return this; + + }, + + setFromEuler: function ( euler, update ) { + + if ( ! ( euler && euler.isEuler ) ) { + + throw new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + + } + + var x = euler._x, y = euler._y, z = euler._z, order = euler.order; + + // http://www.mathworks.com/matlabcentral/fileexchange/ + // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/ + // content/SpinCalc.m + + var cos = Math.cos; + var sin = Math.sin; + + var c1 = cos( x / 2 ); + var c2 = cos( y / 2 ); + var c3 = cos( z / 2 ); + + var s1 = sin( x / 2 ); + var s2 = sin( y / 2 ); + var s3 = sin( z / 2 ); + + if ( order === 'XYZ' ) { + + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + + } else if ( order === 'YXZ' ) { + + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + + } else if ( order === 'ZXY' ) { + + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + + } else if ( order === 'ZYX' ) { + + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + + } else if ( order === 'YZX' ) { + + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + + } else if ( order === 'XZY' ) { + + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + + } + + if ( update !== false ) this._onChangeCallback(); + + return this; + + }, + + setFromAxisAngle: function ( axis, angle ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm + + // assumes axis is normalized + + var halfAngle = angle / 2, s = Math.sin( halfAngle ); + + this._x = axis.x * s; + this._y = axis.y * s; + this._z = axis.z * s; + this._w = Math.cos( halfAngle ); + + this._onChangeCallback(); + + return this; + + }, + + setFromRotationMatrix: function ( m ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + var te = m.elements, + + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ], + + trace = m11 + m22 + m33, + s; + + if ( trace > 0 ) { + + s = 0.5 / Math.sqrt( trace + 1.0 ); + + this._w = 0.25 / s; + this._x = ( m32 - m23 ) * s; + this._y = ( m13 - m31 ) * s; + this._z = ( m21 - m12 ) * s; + + } else if ( m11 > m22 && m11 > m33 ) { + + s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 ); + + this._w = ( m32 - m23 ) / s; + this._x = 0.25 * s; + this._y = ( m12 + m21 ) / s; + this._z = ( m13 + m31 ) / s; + + } else if ( m22 > m33 ) { + + s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 ); + + this._w = ( m13 - m31 ) / s; + this._x = ( m12 + m21 ) / s; + this._y = 0.25 * s; + this._z = ( m23 + m32 ) / s; + + } else { + + s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 ); + + this._w = ( m21 - m12 ) / s; + this._x = ( m13 + m31 ) / s; + this._y = ( m23 + m32 ) / s; + this._z = 0.25 * s; + + } + + this._onChangeCallback(); + + return this; + + }, + + setFromUnitVectors: function ( vFrom, vTo ) { + + // assumes direction vectors vFrom and vTo are normalized + + var EPS = 0.000001; + + var r = vFrom.dot( vTo ) + 1; + + if ( r < EPS ) { + + r = 0; + + if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { + + this._x = - vFrom.y; + this._y = vFrom.x; + this._z = 0; + this._w = r; + + } else { + + this._x = 0; + this._y = - vFrom.z; + this._z = vFrom.y; + this._w = r; + + } + + } else { + + // crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3 + + this._x = vFrom.y * vTo.z - vFrom.z * vTo.y; + this._y = vFrom.z * vTo.x - vFrom.x * vTo.z; + this._z = vFrom.x * vTo.y - vFrom.y * vTo.x; + this._w = r; + + } + + return this.normalize(); + + }, + + angleTo: function ( q ) { + + return 2 * Math.acos( Math.abs( MathUtils.clamp( this.dot( q ), - 1, 1 ) ) ); + + }, + + rotateTowards: function ( q, step ) { + + var angle = this.angleTo( q ); + + if ( angle === 0 ) return this; + + var t = Math.min( 1, step / angle ); + + this.slerp( q, t ); + + return this; + + }, + + inverse: function () { + + // quaternion is assumed to have unit length + + return this.conjugate(); + + }, + + conjugate: function () { + + this._x *= - 1; + this._y *= - 1; + this._z *= - 1; + + this._onChangeCallback(); + + return this; + + }, + + dot: function ( v ) { + + return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; + + }, + + lengthSq: function () { + + return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; + + }, + + length: function () { + + return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w ); + + }, + + normalize: function () { + + var l = this.length(); + + if ( l === 0 ) { + + this._x = 0; + this._y = 0; + this._z = 0; + this._w = 1; + + } else { + + l = 1 / l; + + this._x = this._x * l; + this._y = this._y * l; + this._z = this._z * l; + this._w = this._w * l; + + } + + this._onChangeCallback(); + + return this; + + }, + + multiply: function ( q, p ) { + + if ( p !== undefined ) { + + console.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' ); + return this.multiplyQuaternions( q, p ); + + } + + return this.multiplyQuaternions( this, q ); + + }, + + premultiply: function ( q ) { + + return this.multiplyQuaternions( q, this ); + + }, + + multiplyQuaternions: function ( a, b ) { + + // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm + + var qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; + var qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; + + this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; + this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; + this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; + this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; + + this._onChangeCallback(); + + return this; + + }, + + slerp: function ( qb, t ) { + + if ( t === 0 ) return this; + if ( t === 1 ) return this.copy( qb ); + + var x = this._x, y = this._y, z = this._z, w = this._w; + + // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/ + + var cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z; + + if ( cosHalfTheta < 0 ) { + + this._w = - qb._w; + this._x = - qb._x; + this._y = - qb._y; + this._z = - qb._z; + + cosHalfTheta = - cosHalfTheta; + + } else { + + this.copy( qb ); + + } + + if ( cosHalfTheta >= 1.0 ) { + + this._w = w; + this._x = x; + this._y = y; + this._z = z; + + return this; + + } + + var sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta; + + if ( sqrSinHalfTheta <= Number.EPSILON ) { + + var s = 1 - t; + this._w = s * w + t * this._w; + this._x = s * x + t * this._x; + this._y = s * y + t * this._y; + this._z = s * z + t * this._z; + + this.normalize(); + this._onChangeCallback(); + + return this; + + } + + var sinHalfTheta = Math.sqrt( sqrSinHalfTheta ); + var halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta ); + var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta, + ratioB = Math.sin( t * halfTheta ) / sinHalfTheta; + + this._w = ( w * ratioA + this._w * ratioB ); + this._x = ( x * ratioA + this._x * ratioB ); + this._y = ( y * ratioA + this._y * ratioB ); + this._z = ( z * ratioA + this._z * ratioB ); + + this._onChangeCallback(); + + return this; + + }, + + equals: function ( quaternion ) { + + return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w ); + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + this._x = array[ offset ]; + this._y = array[ offset + 1 ]; + this._z = array[ offset + 2 ]; + this._w = array[ offset + 3 ]; + + this._onChangeCallback(); + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._w; + + return array; + + }, + + _onChange: function ( callback ) { + + this._onChangeCallback = callback; + + return this; + + }, + + _onChangeCallback: function () {} + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author kile / http://kile.stravaganza.org/ + * @author philogb / http://blog.thejit.org/ + * @author mikael emtinger / http://gomo.se/ + * @author egraether / http://egraether.com/ + * @author WestLangley / http://github.com/WestLangley + */ + +var _vector = new Vector3(); +var _quaternion = new Quaternion(); + +function Vector3( x, y, z ) { + + this.x = x || 0; + this.y = y || 0; + this.z = z || 0; + +} + +Object.assign( Vector3.prototype, { + + isVector3: true, + + set: function ( x, y, z ) { + + this.x = x; + this.y = y; + this.z = z; + + return this; + + }, + + setScalar: function ( scalar ) { + + this.x = scalar; + this.y = scalar; + this.z = scalar; + + return this; + + }, + + setX: function ( x ) { + + this.x = x; + + return this; + + }, + + setY: function ( y ) { + + this.y = y; + + return this; + + }, + + setZ: function ( z ) { + + this.z = z; + + return this; + + }, + + setComponent: function ( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + }, + + getComponent: function ( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + default: throw new Error( 'index is out of range: ' + index ); + + } + + }, + + clone: function () { + + return new this.constructor( this.x, this.y, this.z ); + + }, + + copy: function ( v ) { + + this.x = v.x; + this.y = v.y; + this.z = v.z; + + return this; + + }, + + add: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); + + } + + this.x += v.x; + this.y += v.y; + this.z += v.z; + + return this; + + }, + + addScalar: function ( s ) { + + this.x += s; + this.y += s; + this.z += s; + + return this; + + }, + + addVectors: function ( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + + return this; + + }, + + addScaledVector: function ( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + + return this; + + }, + + sub: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); + + } + + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + + return this; + + }, + + subScalar: function ( s ) { + + this.x -= s; + this.y -= s; + this.z -= s; + + return this; + + }, + + subVectors: function ( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + + return this; + + }, + + multiply: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' ); + return this.multiplyVectors( v, w ); + + } + + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + + return this; + + }, + + multiplyScalar: function ( scalar ) { + + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + + return this; + + }, + + multiplyVectors: function ( a, b ) { + + this.x = a.x * b.x; + this.y = a.y * b.y; + this.z = a.z * b.z; + + return this; + + }, + + applyEuler: function ( euler ) { + + if ( ! ( euler && euler.isEuler ) ) { + + console.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + + } + + return this.applyQuaternion( _quaternion.setFromEuler( euler ) ); + + }, + + applyAxisAngle: function ( axis, angle ) { + + return this.applyQuaternion( _quaternion.setFromAxisAngle( axis, angle ) ); + + }, + + applyMatrix3: function ( m ) { + + var x = this.x, y = this.y, z = this.z; + var e = m.elements; + + this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z; + this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z; + this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z; + + return this; + + }, + + applyNormalMatrix: function ( m ) { + + return this.applyMatrix3( m ).normalize(); + + }, + + applyMatrix4: function ( m ) { + + var x = this.x, y = this.y, z = this.z; + var e = m.elements; + + var w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); + + this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w; + this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w; + this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w; + + return this; + + }, + + applyQuaternion: function ( q ) { + + var x = this.x, y = this.y, z = this.z; + var qx = q.x, qy = q.y, qz = q.z, qw = q.w; + + // calculate quat * vector + + var ix = qw * x + qy * z - qz * y; + var iy = qw * y + qz * x - qx * z; + var iz = qw * z + qx * y - qy * x; + var iw = - qx * x - qy * y - qz * z; + + // calculate result * inverse quat + + this.x = ix * qw + iw * - qx + iy * - qz - iz * - qy; + this.y = iy * qw + iw * - qy + iz * - qx - ix * - qz; + this.z = iz * qw + iw * - qz + ix * - qy - iy * - qx; + + return this; + + }, + + project: function ( camera ) { + + return this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix ); + + }, + + unproject: function ( camera ) { + + return this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld ); + + }, + + transformDirection: function ( m ) { + + // input: THREE.Matrix4 affine matrix + // vector interpreted as a direction + + var x = this.x, y = this.y, z = this.z; + var e = m.elements; + + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z; + + return this.normalize(); + + }, + + divide: function ( v ) { + + this.x /= v.x; + this.y /= v.y; + this.z /= v.z; + + return this; + + }, + + divideScalar: function ( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + }, + + min: function ( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + + return this; + + }, + + max: function ( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + + return this; + + }, + + clamp: function ( min, max ) { + + // assumes min < max, componentwise + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + + return this; + + }, + + clampScalar: function ( minVal, maxVal ) { + + this.x = Math.max( minVal, Math.min( maxVal, this.x ) ); + this.y = Math.max( minVal, Math.min( maxVal, this.y ) ); + this.z = Math.max( minVal, Math.min( maxVal, this.z ) ); + + return this; + + }, + + clampLength: function ( min, max ) { + + var length = this.length(); + + return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) ); + + }, + + floor: function () { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + + return this; + + }, + + ceil: function () { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + + return this; + + }, + + round: function () { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + + return this; + + }, + + roundToZero: function () { + + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); + + return this; + + }, + + negate: function () { + + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + + return this; + + }, + + dot: function ( v ) { + + return this.x * v.x + this.y * v.y + this.z * v.z; + + }, + + // TODO lengthSquared? + + lengthSq: function () { + + return this.x * this.x + this.y * this.y + this.z * this.z; + + }, + + length: function () { + + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z ); + + }, + + manhattanLength: function () { + + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ); + + }, + + normalize: function () { + + return this.divideScalar( this.length() || 1 ); + + }, + + setLength: function ( length ) { + + return this.normalize().multiplyScalar( length ); + + }, + + lerp: function ( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + + return this; + + }, + + lerpVectors: function ( v1, v2, alpha ) { + + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); + + }, + + cross: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' ); + return this.crossVectors( v, w ); + + } + + return this.crossVectors( this, v ); + + }, + + crossVectors: function ( a, b ) { + + var ax = a.x, ay = a.y, az = a.z; + var bx = b.x, by = b.y, bz = b.z; + + this.x = ay * bz - az * by; + this.y = az * bx - ax * bz; + this.z = ax * by - ay * bx; + + return this; + + }, + + projectOnVector: function ( v ) { + + var denominator = v.lengthSq(); + + if ( denominator === 0 ) return this.set( 0, 0, 0 ); + + var scalar = v.dot( this ) / denominator; + + return this.copy( v ).multiplyScalar( scalar ); + + }, + + projectOnPlane: function ( planeNormal ) { + + _vector.copy( this ).projectOnVector( planeNormal ); + + return this.sub( _vector ); + + }, + + reflect: function ( normal ) { + + // reflect incident vector off plane orthogonal to normal + // normal is assumed to have unit length + + return this.sub( _vector.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) ); + + }, + + angleTo: function ( v ) { + + var denominator = Math.sqrt( this.lengthSq() * v.lengthSq() ); + + if ( denominator === 0 ) return Math.PI / 2; + + var theta = this.dot( v ) / denominator; + + // clamp, to handle numerical problems + + return Math.acos( MathUtils.clamp( theta, - 1, 1 ) ); + + }, + + distanceTo: function ( v ) { + + return Math.sqrt( this.distanceToSquared( v ) ); + + }, + + distanceToSquared: function ( v ) { + + var dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z; + + return dx * dx + dy * dy + dz * dz; + + }, + + manhattanDistanceTo: function ( v ) { + + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z ); + + }, + + setFromSpherical: function ( s ) { + + return this.setFromSphericalCoords( s.radius, s.phi, s.theta ); + + }, + + setFromSphericalCoords: function ( radius, phi, theta ) { + + var sinPhiRadius = Math.sin( phi ) * radius; + + this.x = sinPhiRadius * Math.sin( theta ); + this.y = Math.cos( phi ) * radius; + this.z = sinPhiRadius * Math.cos( theta ); + + return this; + + }, + + setFromCylindrical: function ( c ) { + + return this.setFromCylindricalCoords( c.radius, c.theta, c.y ); + + }, + + setFromCylindricalCoords: function ( radius, theta, y ) { + + this.x = radius * Math.sin( theta ); + this.y = y; + this.z = radius * Math.cos( theta ); + + return this; + + }, + + setFromMatrixPosition: function ( m ) { + + var e = m.elements; + + this.x = e[ 12 ]; + this.y = e[ 13 ]; + this.z = e[ 14 ]; + + return this; + + }, + + setFromMatrixScale: function ( m ) { + + var sx = this.setFromMatrixColumn( m, 0 ).length(); + var sy = this.setFromMatrixColumn( m, 1 ).length(); + var sz = this.setFromMatrixColumn( m, 2 ).length(); + + this.x = sx; + this.y = sy; + this.z = sz; + + return this; + + }, + + setFromMatrixColumn: function ( m, index ) { + + return this.fromArray( m.elements, index * 4 ); + + }, + + setFromMatrix3Column: function ( m, index ) { + + return this.fromArray( m.elements, index * 3 ); + + }, + + equals: function ( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) ); + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + + return array; + + }, + + fromBufferAttribute: function ( attribute, index, offset ) { + + if ( offset !== undefined ) { + + console.warn( 'THREE.Vector3: offset has been removed from .fromBufferAttribute().' ); + + } + + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + this.z = attribute.getZ( index ); + + return this; + + } + +} ); + +var _v1 = new Vector3(); +var _m1 = new Matrix4(); +var _zero = new Vector3( 0, 0, 0 ); +var _one = new Vector3( 1, 1, 1 ); +var _x = new Vector3(); +var _y = new Vector3(); +var _z = new Vector3(); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author philogb / http://blog.thejit.org/ + * @author jordi_ros / http://plattsoft.com + * @author D1plo1d / http://github.com/D1plo1d + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author timknip / http://www.floorplanner.com/ + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + */ + +function Matrix4() { + + this.elements = [ + + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ]; + + if ( arguments.length > 0 ) { + + console.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' ); + + } + +} + +Object.assign( Matrix4.prototype, { + + isMatrix4: true, + + set: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { + + var te = this.elements; + + te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14; + te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24; + te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34; + te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44; + + return this; + + }, + + identity: function () { + + this.set( + + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + clone: function () { + + return new Matrix4().fromArray( this.elements ); + + }, + + copy: function ( m ) { + + var te = this.elements; + var me = m.elements; + + te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ]; + te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; + te[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ]; + te[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ]; + + return this; + + }, + + copyPosition: function ( m ) { + + var te = this.elements, me = m.elements; + + te[ 12 ] = me[ 12 ]; + te[ 13 ] = me[ 13 ]; + te[ 14 ] = me[ 14 ]; + + return this; + + }, + + extractBasis: function ( xAxis, yAxis, zAxis ) { + + xAxis.setFromMatrixColumn( this, 0 ); + yAxis.setFromMatrixColumn( this, 1 ); + zAxis.setFromMatrixColumn( this, 2 ); + + return this; + + }, + + makeBasis: function ( xAxis, yAxis, zAxis ) { + + this.set( + xAxis.x, yAxis.x, zAxis.x, 0, + xAxis.y, yAxis.y, zAxis.y, 0, + xAxis.z, yAxis.z, zAxis.z, 0, + 0, 0, 0, 1 + ); + + return this; + + }, + + extractRotation: function ( m ) { + + // this method does not support reflection matrices + + var te = this.elements; + var me = m.elements; + + var scaleX = 1 / _v1.setFromMatrixColumn( m, 0 ).length(); + var scaleY = 1 / _v1.setFromMatrixColumn( m, 1 ).length(); + var scaleZ = 1 / _v1.setFromMatrixColumn( m, 2 ).length(); + + te[ 0 ] = me[ 0 ] * scaleX; + te[ 1 ] = me[ 1 ] * scaleX; + te[ 2 ] = me[ 2 ] * scaleX; + te[ 3 ] = 0; + + te[ 4 ] = me[ 4 ] * scaleY; + te[ 5 ] = me[ 5 ] * scaleY; + te[ 6 ] = me[ 6 ] * scaleY; + te[ 7 ] = 0; + + te[ 8 ] = me[ 8 ] * scaleZ; + te[ 9 ] = me[ 9 ] * scaleZ; + te[ 10 ] = me[ 10 ] * scaleZ; + te[ 11 ] = 0; + + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + + return this; + + }, + + makeRotationFromEuler: function ( euler ) { + + if ( ! ( euler && euler.isEuler ) ) { + + console.error( 'THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' ); + + } + + var te = this.elements; + + var x = euler.x, y = euler.y, z = euler.z; + var a = Math.cos( x ), b = Math.sin( x ); + var c = Math.cos( y ), d = Math.sin( y ); + var e = Math.cos( z ), f = Math.sin( z ); + + if ( euler.order === 'XYZ' ) { + + var ae = a * e, af = a * f, be = b * e, bf = b * f; + + te[ 0 ] = c * e; + te[ 4 ] = - c * f; + te[ 8 ] = d; + + te[ 1 ] = af + be * d; + te[ 5 ] = ae - bf * d; + te[ 9 ] = - b * c; + + te[ 2 ] = bf - ae * d; + te[ 6 ] = be + af * d; + te[ 10 ] = a * c; + + } else if ( euler.order === 'YXZ' ) { + + var ce = c * e, cf = c * f, de = d * e, df = d * f; + + te[ 0 ] = ce + df * b; + te[ 4 ] = de * b - cf; + te[ 8 ] = a * d; + + te[ 1 ] = a * f; + te[ 5 ] = a * e; + te[ 9 ] = - b; + + te[ 2 ] = cf * b - de; + te[ 6 ] = df + ce * b; + te[ 10 ] = a * c; + + } else if ( euler.order === 'ZXY' ) { + + var ce = c * e, cf = c * f, de = d * e, df = d * f; + + te[ 0 ] = ce - df * b; + te[ 4 ] = - a * f; + te[ 8 ] = de + cf * b; + + te[ 1 ] = cf + de * b; + te[ 5 ] = a * e; + te[ 9 ] = df - ce * b; + + te[ 2 ] = - a * d; + te[ 6 ] = b; + te[ 10 ] = a * c; + + } else if ( euler.order === 'ZYX' ) { + + var ae = a * e, af = a * f, be = b * e, bf = b * f; + + te[ 0 ] = c * e; + te[ 4 ] = be * d - af; + te[ 8 ] = ae * d + bf; + + te[ 1 ] = c * f; + te[ 5 ] = bf * d + ae; + te[ 9 ] = af * d - be; + + te[ 2 ] = - d; + te[ 6 ] = b * c; + te[ 10 ] = a * c; + + } else if ( euler.order === 'YZX' ) { + + var ac = a * c, ad = a * d, bc = b * c, bd = b * d; + + te[ 0 ] = c * e; + te[ 4 ] = bd - ac * f; + te[ 8 ] = bc * f + ad; + + te[ 1 ] = f; + te[ 5 ] = a * e; + te[ 9 ] = - b * e; + + te[ 2 ] = - d * e; + te[ 6 ] = ad * f + bc; + te[ 10 ] = ac - bd * f; + + } else if ( euler.order === 'XZY' ) { + + var ac = a * c, ad = a * d, bc = b * c, bd = b * d; + + te[ 0 ] = c * e; + te[ 4 ] = - f; + te[ 8 ] = d * e; + + te[ 1 ] = ac * f + bd; + te[ 5 ] = a * e; + te[ 9 ] = ad * f - bc; + + te[ 2 ] = bc * f - ad; + te[ 6 ] = b * e; + te[ 10 ] = bd * f + ac; + + } + + // bottom row + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; + + // last column + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + + return this; + + }, + + makeRotationFromQuaternion: function ( q ) { + + return this.compose( _zero, q, _one ); + + }, + + lookAt: function ( eye, target, up ) { + + var te = this.elements; + + _z.subVectors( eye, target ); + + if ( _z.lengthSq() === 0 ) { + + // eye and target are in the same position + + _z.z = 1; + + } + + _z.normalize(); + _x.crossVectors( up, _z ); + + if ( _x.lengthSq() === 0 ) { + + // up and z are parallel + + if ( Math.abs( up.z ) === 1 ) { + + _z.x += 0.0001; + + } else { + + _z.z += 0.0001; + + } + + _z.normalize(); + _x.crossVectors( up, _z ); + + } + + _x.normalize(); + _y.crossVectors( _z, _x ); + + te[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x; + te[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y; + te[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z; + + return this; + + }, + + multiply: function ( m, n ) { + + if ( n !== undefined ) { + + console.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' ); + return this.multiplyMatrices( m, n ); + + } + + return this.multiplyMatrices( this, m ); + + }, + + premultiply: function ( m ) { + + return this.multiplyMatrices( m, this ); + + }, + + multiplyMatrices: function ( a, b ) { + + var ae = a.elements; + var be = b.elements; + var te = this.elements; + + var a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ]; + var a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ]; + var a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ]; + var a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ]; + + var b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ]; + var b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ]; + var b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ]; + var b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ]; + + te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; + te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; + te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; + te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; + + te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; + te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; + te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; + te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; + + te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; + te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; + te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; + te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; + + te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; + te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; + te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; + te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; + + return this; + + }, + + multiplyScalar: function ( s ) { + + var te = this.elements; + + te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s; + te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s; + te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s; + te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s; + + return this; + + }, + + determinant: function () { + + var te = this.elements; + + var n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ]; + var n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ]; + var n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ]; + var n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ]; + + //TODO: make this more efficient + //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm ) + + return ( + n41 * ( + + n14 * n23 * n32 + - n13 * n24 * n32 + - n14 * n22 * n33 + + n12 * n24 * n33 + + n13 * n22 * n34 + - n12 * n23 * n34 + ) + + n42 * ( + + n11 * n23 * n34 + - n11 * n24 * n33 + + n14 * n21 * n33 + - n13 * n21 * n34 + + n13 * n24 * n31 + - n14 * n23 * n31 + ) + + n43 * ( + + n11 * n24 * n32 + - n11 * n22 * n34 + - n14 * n21 * n32 + + n12 * n21 * n34 + + n14 * n22 * n31 + - n12 * n24 * n31 + ) + + n44 * ( + - n13 * n22 * n31 + - n11 * n23 * n32 + + n11 * n22 * n33 + + n13 * n21 * n32 + - n12 * n21 * n33 + + n12 * n23 * n31 + ) + + ); + + }, + + transpose: function () { + + var te = this.elements; + var tmp; + + tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp; + tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp; + tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp; + + tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp; + tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp; + tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp; + + return this; + + }, + + setPosition: function ( x, y, z ) { + + var te = this.elements; + + if ( x.isVector3 ) { + + te[ 12 ] = x.x; + te[ 13 ] = x.y; + te[ 14 ] = x.z; + + } else { + + te[ 12 ] = x; + te[ 13 ] = y; + te[ 14 ] = z; + + } + + return this; + + }, + + getInverse: function ( m, throwOnDegenerate ) { + + // based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm + var te = this.elements, + me = m.elements, + + n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ], + n12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ], + n13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ], + n14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ], + + t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, + t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, + t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, + t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; + + var det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; + + if ( det === 0 ) { + + var msg = "THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0"; + + if ( throwOnDegenerate === true ) { + + throw new Error( msg ); + + } else { + + console.warn( msg ); + + } + + return this.identity(); + + } + + var detInv = 1 / det; + + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv; + te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv; + te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv; + + te[ 4 ] = t12 * detInv; + te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv; + te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv; + te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv; + + te[ 8 ] = t13 * detInv; + te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv; + te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv; + te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv; + + te[ 12 ] = t14 * detInv; + te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv; + te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv; + te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv; + + return this; + + }, + + scale: function ( v ) { + + var te = this.elements; + var x = v.x, y = v.y, z = v.z; + + te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z; + te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z; + te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z; + te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z; + + return this; + + }, + + getMaxScaleOnAxis: function () { + + var te = this.elements; + + var scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ]; + var scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ]; + var scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ]; + + return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) ); + + }, + + makeTranslation: function ( x, y, z ) { + + this.set( + + 1, 0, 0, x, + 0, 1, 0, y, + 0, 0, 1, z, + 0, 0, 0, 1 + + ); + + return this; + + }, + + makeRotationX: function ( theta ) { + + var c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + 1, 0, 0, 0, + 0, c, - s, 0, + 0, s, c, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + makeRotationY: function ( theta ) { + + var c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + c, 0, s, 0, + 0, 1, 0, 0, + - s, 0, c, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + makeRotationZ: function ( theta ) { + + var c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + c, - s, 0, 0, + s, c, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + makeRotationAxis: function ( axis, angle ) { + + // Based on http://www.gamedev.net/reference/articles/article1199.asp + + var c = Math.cos( angle ); + var s = Math.sin( angle ); + var t = 1 - c; + var x = axis.x, y = axis.y, z = axis.z; + var tx = t * x, ty = t * y; + + this.set( + + tx * x + c, tx * y - s * z, tx * z + s * y, 0, + tx * y + s * z, ty * y + c, ty * z - s * x, 0, + tx * z - s * y, ty * z + s * x, t * z * z + c, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + makeScale: function ( x, y, z ) { + + this.set( + + x, 0, 0, 0, + 0, y, 0, 0, + 0, 0, z, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + makeShear: function ( x, y, z ) { + + this.set( + + 1, y, z, 0, + x, 1, z, 0, + x, y, 1, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + compose: function ( position, quaternion, scale ) { + + var te = this.elements; + + var x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w; + var x2 = x + x, y2 = y + y, z2 = z + z; + var xx = x * x2, xy = x * y2, xz = x * z2; + var yy = y * y2, yz = y * z2, zz = z * z2; + var wx = w * x2, wy = w * y2, wz = w * z2; + + var sx = scale.x, sy = scale.y, sz = scale.z; + + te[ 0 ] = ( 1 - ( yy + zz ) ) * sx; + te[ 1 ] = ( xy + wz ) * sx; + te[ 2 ] = ( xz - wy ) * sx; + te[ 3 ] = 0; + + te[ 4 ] = ( xy - wz ) * sy; + te[ 5 ] = ( 1 - ( xx + zz ) ) * sy; + te[ 6 ] = ( yz + wx ) * sy; + te[ 7 ] = 0; + + te[ 8 ] = ( xz + wy ) * sz; + te[ 9 ] = ( yz - wx ) * sz; + te[ 10 ] = ( 1 - ( xx + yy ) ) * sz; + te[ 11 ] = 0; + + te[ 12 ] = position.x; + te[ 13 ] = position.y; + te[ 14 ] = position.z; + te[ 15 ] = 1; + + return this; + + }, + + decompose: function ( position, quaternion, scale ) { + + var te = this.elements; + + var sx = _v1.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); + var sy = _v1.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); + var sz = _v1.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length(); + + // if determine is negative, we need to invert one scale + var det = this.determinant(); + if ( det < 0 ) sx = - sx; + + position.x = te[ 12 ]; + position.y = te[ 13 ]; + position.z = te[ 14 ]; + + // scale the rotation part + _m1.copy( this ); + + var invSX = 1 / sx; + var invSY = 1 / sy; + var invSZ = 1 / sz; + + _m1.elements[ 0 ] *= invSX; + _m1.elements[ 1 ] *= invSX; + _m1.elements[ 2 ] *= invSX; + + _m1.elements[ 4 ] *= invSY; + _m1.elements[ 5 ] *= invSY; + _m1.elements[ 6 ] *= invSY; + + _m1.elements[ 8 ] *= invSZ; + _m1.elements[ 9 ] *= invSZ; + _m1.elements[ 10 ] *= invSZ; + + quaternion.setFromRotationMatrix( _m1 ); + + scale.x = sx; + scale.y = sy; + scale.z = sz; + + return this; + + }, + + makePerspective: function ( left, right, top, bottom, near, far ) { + + if ( far === undefined ) { + + console.warn( 'THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.' ); + + } + + var te = this.elements; + var x = 2 * near / ( right - left ); + var y = 2 * near / ( top - bottom ); + + var a = ( right + left ) / ( right - left ); + var b = ( top + bottom ) / ( top - bottom ); + var c = - ( far + near ) / ( far - near ); + var d = - 2 * far * near / ( far - near ); + + te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0; + te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = - 1; te[ 15 ] = 0; + + return this; + + }, + + makeOrthographic: function ( left, right, top, bottom, near, far ) { + + var te = this.elements; + var w = 1.0 / ( right - left ); + var h = 1.0 / ( top - bottom ); + var p = 1.0 / ( far - near ); + + var x = ( right + left ) * w; + var y = ( top + bottom ) * h; + var z = ( far + near ) * p; + + te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x; + te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = - 2 * p; te[ 14 ] = - z; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1; + + return this; + + }, + + equals: function ( matrix ) { + + var te = this.elements; + var me = matrix.elements; + + for ( var i = 0; i < 16; i ++ ) { + + if ( te[ i ] !== me[ i ] ) return false; + + } + + return true; + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + for ( var i = 0; i < 16; i ++ ) { + + this.elements[ i ] = array[ i + offset ]; + + } + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + var te = this.elements; + + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + array[ offset + 3 ] = te[ 3 ]; + + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + + array[ offset + 8 ] = te[ 8 ]; + array[ offset + 9 ] = te[ 9 ]; + array[ offset + 10 ] = te[ 10 ]; + array[ offset + 11 ] = te[ 11 ]; + + array[ offset + 12 ] = te[ 12 ]; + array[ offset + 13 ] = te[ 13 ]; + array[ offset + 14 ] = te[ 14 ]; + array[ offset + 15 ] = te[ 15 ]; + + return array; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + */ + +var _matrix = new Matrix4(); +var _quaternion$1 = new Quaternion(); + +function Euler( x, y, z, order ) { + + this._x = x || 0; + this._y = y || 0; + this._z = z || 0; + this._order = order || Euler.DefaultOrder; + +} + +Euler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ]; + +Euler.DefaultOrder = 'XYZ'; + +Object.defineProperties( Euler.prototype, { + + x: { + + get: function () { + + return this._x; + + }, + + set: function ( value ) { + + this._x = value; + this._onChangeCallback(); + + } + + }, + + y: { + + get: function () { + + return this._y; + + }, + + set: function ( value ) { + + this._y = value; + this._onChangeCallback(); + + } + + }, + + z: { + + get: function () { + + return this._z; + + }, + + set: function ( value ) { + + this._z = value; + this._onChangeCallback(); + + } + + }, + + order: { + + get: function () { + + return this._order; + + }, + + set: function ( value ) { + + this._order = value; + this._onChangeCallback(); + + } + + } + +} ); + +Object.assign( Euler.prototype, { + + isEuler: true, + + set: function ( x, y, z, order ) { + + this._x = x; + this._y = y; + this._z = z; + this._order = order || this._order; + + this._onChangeCallback(); + + return this; + + }, + + clone: function () { + + return new this.constructor( this._x, this._y, this._z, this._order ); + + }, + + copy: function ( euler ) { + + this._x = euler._x; + this._y = euler._y; + this._z = euler._z; + this._order = euler._order; + + this._onChangeCallback(); + + return this; + + }, + + setFromRotationMatrix: function ( m, order, update ) { + + var clamp = MathUtils.clamp; + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + var te = m.elements; + var m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ]; + var m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ]; + var m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + + order = order || this._order; + + if ( order === 'XYZ' ) { + + this._y = Math.asin( clamp( m13, - 1, 1 ) ); + + if ( Math.abs( m13 ) < 0.9999999 ) { + + this._x = Math.atan2( - m23, m33 ); + this._z = Math.atan2( - m12, m11 ); + + } else { + + this._x = Math.atan2( m32, m22 ); + this._z = 0; + + } + + } else if ( order === 'YXZ' ) { + + this._x = Math.asin( - clamp( m23, - 1, 1 ) ); + + if ( Math.abs( m23 ) < 0.9999999 ) { + + this._y = Math.atan2( m13, m33 ); + this._z = Math.atan2( m21, m22 ); + + } else { + + this._y = Math.atan2( - m31, m11 ); + this._z = 0; + + } + + } else if ( order === 'ZXY' ) { + + this._x = Math.asin( clamp( m32, - 1, 1 ) ); + + if ( Math.abs( m32 ) < 0.9999999 ) { + + this._y = Math.atan2( - m31, m33 ); + this._z = Math.atan2( - m12, m22 ); + + } else { + + this._y = 0; + this._z = Math.atan2( m21, m11 ); + + } + + } else if ( order === 'ZYX' ) { + + this._y = Math.asin( - clamp( m31, - 1, 1 ) ); + + if ( Math.abs( m31 ) < 0.9999999 ) { + + this._x = Math.atan2( m32, m33 ); + this._z = Math.atan2( m21, m11 ); + + } else { + + this._x = 0; + this._z = Math.atan2( - m12, m22 ); + + } + + } else if ( order === 'YZX' ) { + + this._z = Math.asin( clamp( m21, - 1, 1 ) ); + + if ( Math.abs( m21 ) < 0.9999999 ) { + + this._x = Math.atan2( - m23, m22 ); + this._y = Math.atan2( - m31, m11 ); + + } else { + + this._x = 0; + this._y = Math.atan2( m13, m33 ); + + } + + } else if ( order === 'XZY' ) { + + this._z = Math.asin( - clamp( m12, - 1, 1 ) ); + + if ( Math.abs( m12 ) < 0.9999999 ) { + + this._x = Math.atan2( m32, m22 ); + this._y = Math.atan2( m13, m11 ); + + } else { + + this._x = Math.atan2( - m23, m33 ); + this._y = 0; + + } + + } else { + + console.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order ); + + } + + this._order = order; + + if ( update !== false ) this._onChangeCallback(); + + return this; + + }, + + setFromQuaternion: function ( q, order, update ) { + + _matrix.makeRotationFromQuaternion( q ); + + return this.setFromRotationMatrix( _matrix, order, update ); + + }, + + setFromVector3: function ( v, order ) { + + return this.set( v.x, v.y, v.z, order || this._order ); + + }, + + reorder: function ( newOrder ) { + + // WARNING: this discards revolution information -bhouston + + _quaternion$1.setFromEuler( this ); + + return this.setFromQuaternion( _quaternion$1, newOrder ); + + }, + + equals: function ( euler ) { + + return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order ); + + }, + + fromArray: function ( array ) { + + this._x = array[ 0 ]; + this._y = array[ 1 ]; + this._z = array[ 2 ]; + if ( array[ 3 ] !== undefined ) this._order = array[ 3 ]; + + this._onChangeCallback(); + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._order; + + return array; + + }, + + toVector3: function ( optionalResult ) { + + if ( optionalResult ) { + + return optionalResult.set( this._x, this._y, this._z ); + + } else { + + return new Vector3( this._x, this._y, this._z ); + + } + + }, + + _onChange: function ( callback ) { + + this._onChangeCallback = callback; + + return this; + + }, + + _onChangeCallback: function () {} + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function Layers() { + + this.mask = 1 | 0; + +} + +Object.assign( Layers.prototype, { + + set: function ( channel ) { + + this.mask = 1 << channel | 0; + + }, + + enable: function ( channel ) { + + this.mask |= 1 << channel | 0; + + }, + + enableAll: function () { + + this.mask = 0xffffffff | 0; + + }, + + toggle: function ( channel ) { + + this.mask ^= 1 << channel | 0; + + }, + + disable: function ( channel ) { + + this.mask &= ~ ( 1 << channel | 0 ); + + }, + + disableAll: function () { + + this.mask = 0; + + }, + + test: function ( layers ) { + + return ( this.mask & layers.mask ) !== 0; + + } + +} ); + +var _object3DId = 0; + +var _v1$1 = new Vector3(); +var _q1 = new Quaternion(); +var _m1$1 = new Matrix4(); +var _target = new Vector3(); + +var _position = new Vector3(); +var _scale = new Vector3(); +var _quaternion$2 = new Quaternion(); + +var _xAxis = new Vector3( 1, 0, 0 ); +var _yAxis = new Vector3( 0, 1, 0 ); +var _zAxis = new Vector3( 0, 0, 1 ); + +var _addedEvent = { type: 'added' }; +var _removedEvent = { type: 'removed' }; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author elephantatwork / www.elephantatwork.ch + */ + +function Object3D() { + + Object.defineProperty( this, 'id', { value: _object3DId ++ } ); + + this.uuid = MathUtils.generateUUID(); + + this.name = ''; + this.type = 'Object3D'; + + this.parent = null; + this.children = []; + + this.up = Object3D.DefaultUp.clone(); + + var position = new Vector3(); + var rotation = new Euler(); + var quaternion = new Quaternion(); + var scale = new Vector3( 1, 1, 1 ); + + function onRotationChange() { + + quaternion.setFromEuler( rotation, false ); + + } + + function onQuaternionChange() { + + rotation.setFromQuaternion( quaternion, undefined, false ); + + } + + rotation._onChange( onRotationChange ); + quaternion._onChange( onQuaternionChange ); + + Object.defineProperties( this, { + position: { + configurable: true, + enumerable: true, + value: position + }, + rotation: { + configurable: true, + enumerable: true, + value: rotation + }, + quaternion: { + configurable: true, + enumerable: true, + value: quaternion + }, + scale: { + configurable: true, + enumerable: true, + value: scale + }, + modelViewMatrix: { + value: new Matrix4() + }, + normalMatrix: { + value: new Matrix3() + } + } ); + + this.matrix = new Matrix4(); + this.matrixWorld = new Matrix4(); + + this.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate; + this.matrixWorldNeedsUpdate = false; + + this.layers = new Layers(); + this.visible = true; + + this.castShadow = false; + this.receiveShadow = false; + + this.frustumCulled = true; + this.renderOrder = 0; + + this.userData = {}; + +} + +Object3D.DefaultUp = new Vector3( 0, 1, 0 ); +Object3D.DefaultMatrixAutoUpdate = true; + +Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { + + constructor: Object3D, + + isObject3D: true, + + onBeforeRender: function () {}, + onAfterRender: function () {}, + + applyMatrix4: function ( matrix ) { + + if ( this.matrixAutoUpdate ) this.updateMatrix(); + + this.matrix.premultiply( matrix ); + + this.matrix.decompose( this.position, this.quaternion, this.scale ); + + }, + + applyQuaternion: function ( q ) { + + this.quaternion.premultiply( q ); + + return this; + + }, + + setRotationFromAxisAngle: function ( axis, angle ) { + + // assumes axis is normalized + + this.quaternion.setFromAxisAngle( axis, angle ); + + }, + + setRotationFromEuler: function ( euler ) { + + this.quaternion.setFromEuler( euler, true ); + + }, + + setRotationFromMatrix: function ( m ) { + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + this.quaternion.setFromRotationMatrix( m ); + + }, + + setRotationFromQuaternion: function ( q ) { + + // assumes q is normalized + + this.quaternion.copy( q ); + + }, + + rotateOnAxis: function ( axis, angle ) { + + // rotate object on axis in object space + // axis is assumed to be normalized + + _q1.setFromAxisAngle( axis, angle ); + + this.quaternion.multiply( _q1 ); + + return this; + + }, + + rotateOnWorldAxis: function ( axis, angle ) { + + // rotate object on axis in world space + // axis is assumed to be normalized + // method assumes no rotated parent + + _q1.setFromAxisAngle( axis, angle ); + + this.quaternion.premultiply( _q1 ); + + return this; + + }, + + rotateX: function ( angle ) { + + return this.rotateOnAxis( _xAxis, angle ); + + }, + + rotateY: function ( angle ) { + + return this.rotateOnAxis( _yAxis, angle ); + + }, + + rotateZ: function ( angle ) { + + return this.rotateOnAxis( _zAxis, angle ); + + }, + + translateOnAxis: function ( axis, distance ) { + + // translate object by distance along axis in object space + // axis is assumed to be normalized + + _v1$1.copy( axis ).applyQuaternion( this.quaternion ); + + this.position.add( _v1$1.multiplyScalar( distance ) ); + + return this; + + }, + + translateX: function ( distance ) { + + return this.translateOnAxis( _xAxis, distance ); + + }, + + translateY: function ( distance ) { + + return this.translateOnAxis( _yAxis, distance ); + + }, + + translateZ: function ( distance ) { + + return this.translateOnAxis( _zAxis, distance ); + + }, + + localToWorld: function ( vector ) { + + return vector.applyMatrix4( this.matrixWorld ); + + }, + + worldToLocal: function ( vector ) { + + return vector.applyMatrix4( _m1$1.getInverse( this.matrixWorld ) ); + + }, + + lookAt: function ( x, y, z ) { + + // This method does not support objects having non-uniformly-scaled parent(s) + + if ( x.isVector3 ) { + + _target.copy( x ); + + } else { + + _target.set( x, y, z ); + + } + + var parent = this.parent; + + this.updateWorldMatrix( true, false ); + + _position.setFromMatrixPosition( this.matrixWorld ); + + if ( this.isCamera || this.isLight ) { + + _m1$1.lookAt( _position, _target, this.up ); + + } else { + + _m1$1.lookAt( _target, _position, this.up ); + + } + + this.quaternion.setFromRotationMatrix( _m1$1 ); + + if ( parent ) { + + _m1$1.extractRotation( parent.matrixWorld ); + _q1.setFromRotationMatrix( _m1$1 ); + this.quaternion.premultiply( _q1.inverse() ); + + } + + }, + + add: function ( object ) { + + if ( arguments.length > 1 ) { + + for ( var i = 0; i < arguments.length; i ++ ) { + + this.add( arguments[ i ] ); + + } + + return this; + + } + + if ( object === this ) { + + console.error( "THREE.Object3D.add: object can't be added as a child of itself.", object ); + return this; + + } + + if ( ( object && object.isObject3D ) ) { + + if ( object.parent !== null ) { + + object.parent.remove( object ); + + } + + object.parent = this; + this.children.push( object ); + + object.dispatchEvent( _addedEvent ); + + } else { + + console.error( "THREE.Object3D.add: object not an instance of THREE.Object3D.", object ); + + } + + return this; + + }, + + remove: function ( object ) { + + if ( arguments.length > 1 ) { + + for ( var i = 0; i < arguments.length; i ++ ) { + + this.remove( arguments[ i ] ); + + } + + return this; + + } + + var index = this.children.indexOf( object ); + + if ( index !== - 1 ) { + + object.parent = null; + this.children.splice( index, 1 ); + + object.dispatchEvent( _removedEvent ); + + } + + return this; + + }, + + attach: function ( object ) { + + // adds object as a child of this, while maintaining the object's world transform + + this.updateWorldMatrix( true, false ); + + _m1$1.getInverse( this.matrixWorld ); + + if ( object.parent !== null ) { + + object.parent.updateWorldMatrix( true, false ); + + _m1$1.multiply( object.parent.matrixWorld ); + + } + + object.applyMatrix4( _m1$1 ); + + object.updateWorldMatrix( false, false ); + + this.add( object ); + + return this; + + }, + + getObjectById: function ( id ) { + + return this.getObjectByProperty( 'id', id ); + + }, + + getObjectByName: function ( name ) { + + return this.getObjectByProperty( 'name', name ); + + }, + + getObjectByProperty: function ( name, value ) { + + if ( this[ name ] === value ) return this; + + for ( var i = 0, l = this.children.length; i < l; i ++ ) { + + var child = this.children[ i ]; + var object = child.getObjectByProperty( name, value ); + + if ( object !== undefined ) { + + return object; + + } + + } + + return undefined; + + }, + + getWorldPosition: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Object3D: .getWorldPosition() target is now required' ); + target = new Vector3(); + + } + + this.updateMatrixWorld( true ); + + return target.setFromMatrixPosition( this.matrixWorld ); + + }, + + getWorldQuaternion: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Object3D: .getWorldQuaternion() target is now required' ); + target = new Quaternion(); + + } + + this.updateMatrixWorld( true ); + + this.matrixWorld.decompose( _position, target, _scale ); + + return target; + + }, + + getWorldScale: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Object3D: .getWorldScale() target is now required' ); + target = new Vector3(); + + } + + this.updateMatrixWorld( true ); + + this.matrixWorld.decompose( _position, _quaternion$2, target ); + + return target; + + }, + + getWorldDirection: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Object3D: .getWorldDirection() target is now required' ); + target = new Vector3(); + + } + + this.updateMatrixWorld( true ); + + var e = this.matrixWorld.elements; + + return target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize(); + + }, + + raycast: function () {}, + + traverse: function ( callback ) { + + callback( this ); + + var children = this.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].traverse( callback ); + + } + + }, + + traverseVisible: function ( callback ) { + + if ( this.visible === false ) return; + + callback( this ); + + var children = this.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].traverseVisible( callback ); + + } + + }, + + traverseAncestors: function ( callback ) { + + var parent = this.parent; + + if ( parent !== null ) { + + callback( parent ); + + parent.traverseAncestors( callback ); + + } + + }, + + updateMatrix: function () { + + this.matrix.compose( this.position, this.quaternion, this.scale ); + + this.matrixWorldNeedsUpdate = true; + + }, + + updateMatrixWorld: function ( force ) { + + if ( this.matrixAutoUpdate ) this.updateMatrix(); + + if ( this.matrixWorldNeedsUpdate || force ) { + + if ( this.parent === null ) { + + this.matrixWorld.copy( this.matrix ); + + } else { + + this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); + + } + + this.matrixWorldNeedsUpdate = false; + + force = true; + + } + + // update children + + var children = this.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].updateMatrixWorld( force ); + + } + + }, + + updateWorldMatrix: function ( updateParents, updateChildren ) { + + var parent = this.parent; + + if ( updateParents === true && parent !== null ) { + + parent.updateWorldMatrix( true, false ); + + } + + if ( this.matrixAutoUpdate ) this.updateMatrix(); + + if ( this.parent === null ) { + + this.matrixWorld.copy( this.matrix ); + + } else { + + this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); + + } + + // update children + + if ( updateChildren === true ) { + + var children = this.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].updateWorldMatrix( false, true ); + + } + + } + + }, + + toJSON: function ( meta ) { + + // meta is a string when called from JSON.stringify + var isRootObject = ( meta === undefined || typeof meta === 'string' ); + + var output = {}; + + // meta is a hash used to collect geometries, materials. + // not providing it implies that this is the root object + // being serialized. + if ( isRootObject ) { + + // initialize meta obj + meta = { + geometries: {}, + materials: {}, + textures: {}, + images: {}, + shapes: {} + }; + + output.metadata = { + version: 4.5, + type: 'Object', + generator: 'Object3D.toJSON' + }; + + } + + // standard Object3D serialization + + var object = {}; + + object.uuid = this.uuid; + object.type = this.type; + + if ( this.name !== '' ) object.name = this.name; + if ( this.castShadow === true ) object.castShadow = true; + if ( this.receiveShadow === true ) object.receiveShadow = true; + if ( this.visible === false ) object.visible = false; + if ( this.frustumCulled === false ) object.frustumCulled = false; + if ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder; + if ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData; + + object.layers = this.layers.mask; + object.matrix = this.matrix.toArray(); + + if ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false; + + // object specific properties + + if ( this.isInstancedMesh ) { + + object.type = 'InstancedMesh'; + object.count = this.count; + object.instanceMatrix = this.instanceMatrix.toJSON(); + + } + + // + + function serialize( library, element ) { + + if ( library[ element.uuid ] === undefined ) { + + library[ element.uuid ] = element.toJSON( meta ); + + } + + return element.uuid; + + } + + if ( this.isMesh || this.isLine || this.isPoints ) { + + object.geometry = serialize( meta.geometries, this.geometry ); + + var parameters = this.geometry.parameters; + + if ( parameters !== undefined && parameters.shapes !== undefined ) { + + var shapes = parameters.shapes; + + if ( Array.isArray( shapes ) ) { + + for ( var i = 0, l = shapes.length; i < l; i ++ ) { + + var shape = shapes[ i ]; + + serialize( meta.shapes, shape ); + + } + + } else { + + serialize( meta.shapes, shapes ); + + } + + } + + } + + if ( this.material !== undefined ) { + + if ( Array.isArray( this.material ) ) { + + var uuids = []; + + for ( var i = 0, l = this.material.length; i < l; i ++ ) { + + uuids.push( serialize( meta.materials, this.material[ i ] ) ); + + } + + object.material = uuids; + + } else { + + object.material = serialize( meta.materials, this.material ); + + } + + } + + // + + if ( this.children.length > 0 ) { + + object.children = []; + + for ( var i = 0; i < this.children.length; i ++ ) { + + object.children.push( this.children[ i ].toJSON( meta ).object ); + + } + + } + + if ( isRootObject ) { + + var geometries = extractFromCache( meta.geometries ); + var materials = extractFromCache( meta.materials ); + var textures = extractFromCache( meta.textures ); + var images = extractFromCache( meta.images ); + var shapes = extractFromCache( meta.shapes ); + + if ( geometries.length > 0 ) output.geometries = geometries; + if ( materials.length > 0 ) output.materials = materials; + if ( textures.length > 0 ) output.textures = textures; + if ( images.length > 0 ) output.images = images; + if ( shapes.length > 0 ) output.shapes = shapes; + + } + + output.object = object; + + return output; + + // extract data from the cache hash + // remove metadata on each item + // and return as array + function extractFromCache( cache ) { + + var values = []; + for ( var key in cache ) { + + var data = cache[ key ]; + delete data.metadata; + values.push( data ); + + } + return values; + + } + + }, + + clone: function ( recursive ) { + + return new this.constructor().copy( this, recursive ); + + }, + + copy: function ( source, recursive ) { + + if ( recursive === undefined ) recursive = true; + + this.name = source.name; + + this.up.copy( source.up ); + + this.position.copy( source.position ); + this.quaternion.copy( source.quaternion ); + this.scale.copy( source.scale ); + + this.matrix.copy( source.matrix ); + this.matrixWorld.copy( source.matrixWorld ); + + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; + + this.layers.mask = source.layers.mask; + this.visible = source.visible; + + this.castShadow = source.castShadow; + this.receiveShadow = source.receiveShadow; + + this.frustumCulled = source.frustumCulled; + this.renderOrder = source.renderOrder; + + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + + if ( recursive === true ) { + + for ( var i = 0; i < source.children.length; i ++ ) { + + var child = source.children[ i ]; + this.add( child.clone() ); + + } + + } + + return this; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function three_module_Scene() { + + Object3D.call( this ); + + this.type = 'Scene'; + + this.background = null; + this.environment = null; + this.fog = null; + + this.overrideMaterial = null; + + this.autoUpdate = true; // checked by the renderer + + if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { + + __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef + + } + +} + +three_module_Scene.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: three_module_Scene, + + isScene: true, + + copy: function ( source, recursive ) { + + Object3D.prototype.copy.call( this, source, recursive ); + + if ( source.background !== null ) this.background = source.background.clone(); + if ( source.environment !== null ) this.environment = source.environment.clone(); + if ( source.fog !== null ) this.fog = source.fog.clone(); + + if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone(); + + this.autoUpdate = source.autoUpdate; + this.matrixAutoUpdate = source.matrixAutoUpdate; + + return this; + + }, + + toJSON: function ( meta ) { + + var data = Object3D.prototype.toJSON.call( this, meta ); + + if ( this.background !== null ) data.object.background = this.background.toJSON( meta ); + if ( this.environment !== null ) data.object.environment = this.environment.toJSON( meta ); + if ( this.fog !== null ) data.object.fog = this.fog.toJSON(); + + return data; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +} ); + +var _points = [ + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3() +]; + +var _vector$1 = new Vector3(); + +var _box = new Box3(); + +// triangle centered vertices + +var _v0 = new Vector3(); +var _v1$2 = new Vector3(); +var _v2 = new Vector3(); + +// triangle edge vectors + +var _f0 = new Vector3(); +var _f1 = new Vector3(); +var _f2 = new Vector3(); + +var _center = new Vector3(); +var _extents = new Vector3(); +var _triangleNormal = new Vector3(); +var _testAxis = new Vector3(); + +/** + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + */ + +function Box3( min, max ) { + + this.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity ); + this.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity ); + +} + + +Object.assign( Box3.prototype, { + + isBox3: true, + + set: function ( min, max ) { + + this.min.copy( min ); + this.max.copy( max ); + + return this; + + }, + + setFromArray: function ( array ) { + + var minX = + Infinity; + var minY = + Infinity; + var minZ = + Infinity; + + var maxX = - Infinity; + var maxY = - Infinity; + var maxZ = - Infinity; + + for ( var i = 0, l = array.length; i < l; i += 3 ) { + + var x = array[ i ]; + var y = array[ i + 1 ]; + var z = array[ i + 2 ]; + + if ( x < minX ) minX = x; + if ( y < minY ) minY = y; + if ( z < minZ ) minZ = z; + + if ( x > maxX ) maxX = x; + if ( y > maxY ) maxY = y; + if ( z > maxZ ) maxZ = z; + + } + + this.min.set( minX, minY, minZ ); + this.max.set( maxX, maxY, maxZ ); + + return this; + + }, + + setFromBufferAttribute: function ( attribute ) { + + var minX = + Infinity; + var minY = + Infinity; + var minZ = + Infinity; + + var maxX = - Infinity; + var maxY = - Infinity; + var maxZ = - Infinity; + + for ( var i = 0, l = attribute.count; i < l; i ++ ) { + + var x = attribute.getX( i ); + var y = attribute.getY( i ); + var z = attribute.getZ( i ); + + if ( x < minX ) minX = x; + if ( y < minY ) minY = y; + if ( z < minZ ) minZ = z; + + if ( x > maxX ) maxX = x; + if ( y > maxY ) maxY = y; + if ( z > maxZ ) maxZ = z; + + } + + this.min.set( minX, minY, minZ ); + this.max.set( maxX, maxY, maxZ ); + + return this; + + }, + + setFromPoints: function ( points ) { + + this.makeEmpty(); + + for ( var i = 0, il = points.length; i < il; i ++ ) { + + this.expandByPoint( points[ i ] ); + + } + + return this; + + }, + + setFromCenterAndSize: function ( center, size ) { + + var halfSize = _vector$1.copy( size ).multiplyScalar( 0.5 ); + + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); + + return this; + + }, + + setFromObject: function ( object ) { + + this.makeEmpty(); + + return this.expandByObject( object ); + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( box ) { + + this.min.copy( box.min ); + this.max.copy( box.max ); + + return this; + + }, + + makeEmpty: function () { + + this.min.x = this.min.y = this.min.z = + Infinity; + this.max.x = this.max.y = this.max.z = - Infinity; + + return this; + + }, + + isEmpty: function () { + + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z ); + + }, + + getCenter: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Box3: .getCenter() target is now required' ); + target = new Vector3(); + + } + + return this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + + }, + + getSize: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Box3: .getSize() target is now required' ); + target = new Vector3(); + + } + + return this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min ); + + }, + + expandByPoint: function ( point ) { + + this.min.min( point ); + this.max.max( point ); + + return this; + + }, + + expandByVector: function ( vector ) { + + this.min.sub( vector ); + this.max.add( vector ); + + return this; + + }, + + expandByScalar: function ( scalar ) { + + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); + + return this; + + }, + + expandByObject: function ( object ) { + + // Computes the world-axis-aligned bounding box of an object (including its children), + // accounting for both the object's, and children's, world transforms + + object.updateWorldMatrix( false, false ); + + var geometry = object.geometry; + + if ( geometry !== undefined ) { + + if ( geometry.boundingBox === null ) { + + geometry.computeBoundingBox(); + + } + + _box.copy( geometry.boundingBox ); + _box.applyMatrix4( object.matrixWorld ); + + this.union( _box ); + + } + + var children = object.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + this.expandByObject( children[ i ] ); + + } + + return this; + + }, + + containsPoint: function ( point ) { + + return point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y || + point.z < this.min.z || point.z > this.max.z ? false : true; + + }, + + containsBox: function ( box ) { + + return this.min.x <= box.min.x && box.max.x <= this.max.x && + this.min.y <= box.min.y && box.max.y <= this.max.y && + this.min.z <= box.min.z && box.max.z <= this.max.z; + + }, + + getParameter: function ( point, target ) { + + // This can potentially have a divide by zero if the box + // has a size dimension of 0. + + if ( target === undefined ) { + + console.warn( 'THREE.Box3: .getParameter() target is now required' ); + target = new Vector3(); + + } + + return target.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ), + ( point.z - this.min.z ) / ( this.max.z - this.min.z ) + ); + + }, + + intersectsBox: function ( box ) { + + // using 6 splitting planes to rule out intersections. + return box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y || + box.max.z < this.min.z || box.min.z > this.max.z ? false : true; + + }, + + intersectsSphere: function ( sphere ) { + + // Find the point on the AABB closest to the sphere center. + this.clampPoint( sphere.center, _vector$1 ); + + // If that point is inside the sphere, the AABB and sphere intersect. + return _vector$1.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius ); + + }, + + intersectsPlane: function ( plane ) { + + // We compute the minimum and maximum dot product values. If those values + // are on the same side (back or front) of the plane, then there is no intersection. + + var min, max; + + if ( plane.normal.x > 0 ) { + + min = plane.normal.x * this.min.x; + max = plane.normal.x * this.max.x; + + } else { + + min = plane.normal.x * this.max.x; + max = plane.normal.x * this.min.x; + + } + + if ( plane.normal.y > 0 ) { + + min += plane.normal.y * this.min.y; + max += plane.normal.y * this.max.y; + + } else { + + min += plane.normal.y * this.max.y; + max += plane.normal.y * this.min.y; + + } + + if ( plane.normal.z > 0 ) { + + min += plane.normal.z * this.min.z; + max += plane.normal.z * this.max.z; + + } else { + + min += plane.normal.z * this.max.z; + max += plane.normal.z * this.min.z; + + } + + return ( min <= - plane.constant && max >= - plane.constant ); + + }, + + intersectsTriangle: function ( triangle ) { + + if ( this.isEmpty() ) { + + return false; + + } + + // compute box center and extents + this.getCenter( _center ); + _extents.subVectors( this.max, _center ); + + // translate triangle to aabb origin + _v0.subVectors( triangle.a, _center ); + _v1$2.subVectors( triangle.b, _center ); + _v2.subVectors( triangle.c, _center ); + + // compute edge vectors for triangle + _f0.subVectors( _v1$2, _v0 ); + _f1.subVectors( _v2, _v1$2 ); + _f2.subVectors( _v0, _v2 ); + + // test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb + // make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation + // axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned) + var axes = [ + 0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y, + _f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x, + - _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0 + ]; + if ( ! satForAxes( axes, _v0, _v1$2, _v2, _extents ) ) { + + return false; + + } + + // test 3 face normals from the aabb + axes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ]; + if ( ! satForAxes( axes, _v0, _v1$2, _v2, _extents ) ) { + + return false; + + } + + // finally testing the face normal of the triangle + // use already existing triangle edge vectors here + _triangleNormal.crossVectors( _f0, _f1 ); + axes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ]; + + return satForAxes( axes, _v0, _v1$2, _v2, _extents ); + + }, + + clampPoint: function ( point, target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Box3: .clampPoint() target is now required' ); + target = new Vector3(); + + } + + return target.copy( point ).clamp( this.min, this.max ); + + }, + + distanceToPoint: function ( point ) { + + var clampedPoint = _vector$1.copy( point ).clamp( this.min, this.max ); + + return clampedPoint.sub( point ).length(); + + }, + + getBoundingSphere: function ( target ) { + + if ( target === undefined ) { + + console.error( 'THREE.Box3: .getBoundingSphere() target is now required' ); + //target = new Sphere(); // removed to avoid cyclic dependency + + } + + this.getCenter( target.center ); + + target.radius = this.getSize( _vector$1 ).length() * 0.5; + + return target; + + }, + + intersect: function ( box ) { + + this.min.max( box.min ); + this.max.min( box.max ); + + // ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values. + if ( this.isEmpty() ) this.makeEmpty(); + + return this; + + }, + + union: function ( box ) { + + this.min.min( box.min ); + this.max.max( box.max ); + + return this; + + }, + + applyMatrix4: function ( matrix ) { + + // transform of empty box is an empty box. + if ( this.isEmpty() ) return this; + + // NOTE: I am using a binary pattern to specify all 2^3 combinations below + _points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000 + _points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001 + _points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010 + _points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011 + _points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100 + _points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101 + _points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110 + _points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111 + + this.setFromPoints( _points ); + + return this; + + }, + + translate: function ( offset ) { + + this.min.add( offset ); + this.max.add( offset ); + + return this; + + }, + + equals: function ( box ) { + + return box.min.equals( this.min ) && box.max.equals( this.max ); + + } + +} ); + +function satForAxes( axes, v0, v1, v2, extents ) { + + var i, j; + + for ( i = 0, j = axes.length - 3; i <= j; i += 3 ) { + + _testAxis.fromArray( axes, i ); + // project the aabb onto the seperating axis + var r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z ); + // project all 3 vertices of the triangle onto the seperating axis + var p0 = v0.dot( _testAxis ); + var p1 = v1.dot( _testAxis ); + var p2 = v2.dot( _testAxis ); + // actual test, basically see if either of the most extreme of the triangle points intersects r + if ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) { + + // points of the projected triangle are outside the projected half-length of the aabb + // the axis is seperating and we can exit + return false; + + } + + } + + return true; + +} + +var _box$1 = new Box3(); + +/** + * @author bhouston / http://clara.io + * @author mrdoob / http://mrdoob.com/ + */ + +function Sphere( center, radius ) { + + this.center = ( center !== undefined ) ? center : new Vector3(); + this.radius = ( radius !== undefined ) ? radius : 0; + +} + +Object.assign( Sphere.prototype, { + + set: function ( center, radius ) { + + this.center.copy( center ); + this.radius = radius; + + return this; + + }, + + setFromPoints: function ( points, optionalCenter ) { + + var center = this.center; + + if ( optionalCenter !== undefined ) { + + center.copy( optionalCenter ); + + } else { + + _box$1.setFromPoints( points ).getCenter( center ); + + } + + var maxRadiusSq = 0; + + for ( var i = 0, il = points.length; i < il; i ++ ) { + + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) ); + + } + + this.radius = Math.sqrt( maxRadiusSq ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( sphere ) { + + this.center.copy( sphere.center ); + this.radius = sphere.radius; + + return this; + + }, + + empty: function () { + + return ( this.radius <= 0 ); + + }, + + containsPoint: function ( point ) { + + return ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) ); + + }, + + distanceToPoint: function ( point ) { + + return ( point.distanceTo( this.center ) - this.radius ); + + }, + + intersectsSphere: function ( sphere ) { + + var radiusSum = this.radius + sphere.radius; + + return sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum ); + + }, + + intersectsBox: function ( box ) { + + return box.intersectsSphere( this ); + + }, + + intersectsPlane: function ( plane ) { + + return Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius; + + }, + + clampPoint: function ( point, target ) { + + var deltaLengthSq = this.center.distanceToSquared( point ); + + if ( target === undefined ) { + + console.warn( 'THREE.Sphere: .clampPoint() target is now required' ); + target = new Vector3(); + + } + + target.copy( point ); + + if ( deltaLengthSq > ( this.radius * this.radius ) ) { + + target.sub( this.center ).normalize(); + target.multiplyScalar( this.radius ).add( this.center ); + + } + + return target; + + }, + + getBoundingBox: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Sphere: .getBoundingBox() target is now required' ); + target = new Box3(); + + } + + target.set( this.center, this.center ); + target.expandByScalar( this.radius ); + + return target; + + }, + + applyMatrix4: function ( matrix ) { + + this.center.applyMatrix4( matrix ); + this.radius = this.radius * matrix.getMaxScaleOnAxis(); + + return this; + + }, + + translate: function ( offset ) { + + this.center.add( offset ); + + return this; + + }, + + equals: function ( sphere ) { + + return sphere.center.equals( this.center ) && ( sphere.radius === this.radius ); + + } + +} ); + +var _vector$2 = new Vector3(); +var _segCenter = new Vector3(); +var _segDir = new Vector3(); +var _diff = new Vector3(); + +var _edge1 = new Vector3(); +var _edge2 = new Vector3(); +var _normal = new Vector3(); + +/** + * @author bhouston / http://clara.io + */ + +function Ray( origin, direction ) { + + this.origin = ( origin !== undefined ) ? origin : new Vector3(); + this.direction = ( direction !== undefined ) ? direction : new Vector3( 0, 0, - 1 ); + +} + +Object.assign( Ray.prototype, { + + set: function ( origin, direction ) { + + this.origin.copy( origin ); + this.direction.copy( direction ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( ray ) { + + this.origin.copy( ray.origin ); + this.direction.copy( ray.direction ); + + return this; + + }, + + at: function ( t, target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Ray: .at() target is now required' ); + target = new Vector3(); + + } + + return target.copy( this.direction ).multiplyScalar( t ).add( this.origin ); + + }, + + lookAt: function ( v ) { + + this.direction.copy( v ).sub( this.origin ).normalize(); + + return this; + + }, + + recast: function ( t ) { + + this.origin.copy( this.at( t, _vector$2 ) ); + + return this; + + }, + + closestPointToPoint: function ( point, target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Ray: .closestPointToPoint() target is now required' ); + target = new Vector3(); + + } + + target.subVectors( point, this.origin ); + + var directionDistance = target.dot( this.direction ); + + if ( directionDistance < 0 ) { + + return target.copy( this.origin ); + + } + + return target.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + + }, + + distanceToPoint: function ( point ) { + + return Math.sqrt( this.distanceSqToPoint( point ) ); + + }, + + distanceSqToPoint: function ( point ) { + + var directionDistance = _vector$2.subVectors( point, this.origin ).dot( this.direction ); + + // point behind the ray + + if ( directionDistance < 0 ) { + + return this.origin.distanceToSquared( point ); + + } + + _vector$2.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + + return _vector$2.distanceToSquared( point ); + + }, + + distanceSqToSegment: function ( v0, v1, optionalPointOnRay, optionalPointOnSegment ) { + + // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h + // It returns the min distance between the ray and the segment + // defined by v0 and v1 + // It can also set two optional targets : + // - The closest point on the ray + // - The closest point on the segment + + _segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 ); + _segDir.copy( v1 ).sub( v0 ).normalize(); + _diff.copy( this.origin ).sub( _segCenter ); + + var segExtent = v0.distanceTo( v1 ) * 0.5; + var a01 = - this.direction.dot( _segDir ); + var b0 = _diff.dot( this.direction ); + var b1 = - _diff.dot( _segDir ); + var c = _diff.lengthSq(); + var det = Math.abs( 1 - a01 * a01 ); + var s0, s1, sqrDist, extDet; + + if ( det > 0 ) { + + // The ray and segment are not parallel. + + s0 = a01 * b1 - b0; + s1 = a01 * b0 - b1; + extDet = segExtent * det; + + if ( s0 >= 0 ) { + + if ( s1 >= - extDet ) { + + if ( s1 <= extDet ) { + + // region 0 + // Minimum at interior points of ray and segment. + + var invDet = 1 / det; + s0 *= invDet; + s1 *= invDet; + sqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c; + + } else { + + // region 1 + + s1 = segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } else { + + // region 5 + + s1 = - segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } else { + + if ( s1 <= - extDet ) { + + // region 4 + + s0 = Math.max( 0, - ( - a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } else if ( s1 <= extDet ) { + + // region 3 + + s0 = 0; + s1 = Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = s1 * ( s1 + 2 * b1 ) + c; + + } else { + + // region 2 + + s0 = Math.max( 0, - ( a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } + + } else { + + // Ray and segment are parallel. + + s1 = ( a01 > 0 ) ? - segExtent : segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + if ( optionalPointOnRay ) { + + optionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin ); + + } + + if ( optionalPointOnSegment ) { + + optionalPointOnSegment.copy( _segDir ).multiplyScalar( s1 ).add( _segCenter ); + + } + + return sqrDist; + + }, + + intersectSphere: function ( sphere, target ) { + + _vector$2.subVectors( sphere.center, this.origin ); + var tca = _vector$2.dot( this.direction ); + var d2 = _vector$2.dot( _vector$2 ) - tca * tca; + var radius2 = sphere.radius * sphere.radius; + + if ( d2 > radius2 ) return null; + + var thc = Math.sqrt( radius2 - d2 ); + + // t0 = first intersect point - entrance on front of sphere + var t0 = tca - thc; + + // t1 = second intersect point - exit point on back of sphere + var t1 = tca + thc; + + // test to see if both t0 and t1 are behind the ray - if so, return null + if ( t0 < 0 && t1 < 0 ) return null; + + // test to see if t0 is behind the ray: + // if it is, the ray is inside the sphere, so return the second exit point scaled by t1, + // in order to always return an intersect point that is in front of the ray. + if ( t0 < 0 ) return this.at( t1, target ); + + // else t0 is in front of the ray, so return the first collision point scaled by t0 + return this.at( t0, target ); + + }, + + intersectsSphere: function ( sphere ) { + + return this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius ); + + }, + + distanceToPlane: function ( plane ) { + + var denominator = plane.normal.dot( this.direction ); + + if ( denominator === 0 ) { + + // line is coplanar, return origin + if ( plane.distanceToPoint( this.origin ) === 0 ) { + + return 0; + + } + + // Null is preferable to undefined since undefined means.... it is undefined + + return null; + + } + + var t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator; + + // Return if the ray never intersects the plane + + return t >= 0 ? t : null; + + }, + + intersectPlane: function ( plane, target ) { + + var t = this.distanceToPlane( plane ); + + if ( t === null ) { + + return null; + + } + + return this.at( t, target ); + + }, + + intersectsPlane: function ( plane ) { + + // check if the ray lies on the plane first + + var distToPoint = plane.distanceToPoint( this.origin ); + + if ( distToPoint === 0 ) { + + return true; + + } + + var denominator = plane.normal.dot( this.direction ); + + if ( denominator * distToPoint < 0 ) { + + return true; + + } + + // ray origin is behind the plane (and is pointing behind it) + + return false; + + }, + + intersectBox: function ( box, target ) { + + var tmin, tmax, tymin, tymax, tzmin, tzmax; + + var invdirx = 1 / this.direction.x, + invdiry = 1 / this.direction.y, + invdirz = 1 / this.direction.z; + + var origin = this.origin; + + if ( invdirx >= 0 ) { + + tmin = ( box.min.x - origin.x ) * invdirx; + tmax = ( box.max.x - origin.x ) * invdirx; + + } else { + + tmin = ( box.max.x - origin.x ) * invdirx; + tmax = ( box.min.x - origin.x ) * invdirx; + + } + + if ( invdiry >= 0 ) { + + tymin = ( box.min.y - origin.y ) * invdiry; + tymax = ( box.max.y - origin.y ) * invdiry; + + } else { + + tymin = ( box.max.y - origin.y ) * invdiry; + tymax = ( box.min.y - origin.y ) * invdiry; + + } + + if ( ( tmin > tymax ) || ( tymin > tmax ) ) return null; + + // These lines also handle the case where tmin or tmax is NaN + // (result of 0 * Infinity). x !== x returns true if x is NaN + + if ( tymin > tmin || tmin !== tmin ) tmin = tymin; + + if ( tymax < tmax || tmax !== tmax ) tmax = tymax; + + if ( invdirz >= 0 ) { + + tzmin = ( box.min.z - origin.z ) * invdirz; + tzmax = ( box.max.z - origin.z ) * invdirz; + + } else { + + tzmin = ( box.max.z - origin.z ) * invdirz; + tzmax = ( box.min.z - origin.z ) * invdirz; + + } + + if ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null; + + if ( tzmin > tmin || tmin !== tmin ) tmin = tzmin; + + if ( tzmax < tmax || tmax !== tmax ) tmax = tzmax; + + //return point closest to the ray (positive side) + + if ( tmax < 0 ) return null; + + return this.at( tmin >= 0 ? tmin : tmax, target ); + + }, + + intersectsBox: function ( box ) { + + return this.intersectBox( box, _vector$2 ) !== null; + + }, + + intersectTriangle: function ( a, b, c, backfaceCulling, target ) { + + // Compute the offset origin, edges, and normal. + + // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h + + _edge1.subVectors( b, a ); + _edge2.subVectors( c, a ); + _normal.crossVectors( _edge1, _edge2 ); + + // Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction, + // E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by + // |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2)) + // |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q)) + // |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N) + var DdN = this.direction.dot( _normal ); + var sign; + + if ( DdN > 0 ) { + + if ( backfaceCulling ) return null; + sign = 1; + + } else if ( DdN < 0 ) { + + sign = - 1; + DdN = - DdN; + + } else { + + return null; + + } + + _diff.subVectors( this.origin, a ); + var DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) ); + + // b1 < 0, no intersection + if ( DdQxE2 < 0 ) { + + return null; + + } + + var DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) ); + + // b2 < 0, no intersection + if ( DdE1xQ < 0 ) { + + return null; + + } + + // b1+b2 > 1, no intersection + if ( DdQxE2 + DdE1xQ > DdN ) { + + return null; + + } + + // Line intersects triangle, check if ray does. + var QdN = - sign * _diff.dot( _normal ); + + // t < 0, no intersection + if ( QdN < 0 ) { + + return null; + + } + + // Ray intersects triangle. + return this.at( QdN / DdN, target ); + + }, + + applyMatrix4: function ( matrix4 ) { + + this.origin.applyMatrix4( matrix4 ); + this.direction.transformDirection( matrix4 ); + + return this; + + }, + + equals: function ( ray ) { + + return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction ); + + } + +} ); + +/** + * @author bhouston / http://clara.io + */ + +var _vector1 = new Vector3(); +var _vector2 = new Vector3(); +var _normalMatrix = new Matrix3(); + +function Plane( normal, constant ) { + + // normal is assumed to be normalized + + this.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 ); + this.constant = ( constant !== undefined ) ? constant : 0; + +} + +Object.assign( Plane.prototype, { + + isPlane: true, + + set: function ( normal, constant ) { + + this.normal.copy( normal ); + this.constant = constant; + + return this; + + }, + + setComponents: function ( x, y, z, w ) { + + this.normal.set( x, y, z ); + this.constant = w; + + return this; + + }, + + setFromNormalAndCoplanarPoint: function ( normal, point ) { + + this.normal.copy( normal ); + this.constant = - point.dot( this.normal ); + + return this; + + }, + + setFromCoplanarPoints: function ( a, b, c ) { + + var normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize(); + + // Q: should an error be thrown if normal is zero (e.g. degenerate plane)? + + this.setFromNormalAndCoplanarPoint( normal, a ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( plane ) { + + this.normal.copy( plane.normal ); + this.constant = plane.constant; + + return this; + + }, + + normalize: function () { + + // Note: will lead to a divide by zero if the plane is invalid. + + var inverseNormalLength = 1.0 / this.normal.length(); + this.normal.multiplyScalar( inverseNormalLength ); + this.constant *= inverseNormalLength; + + return this; + + }, + + negate: function () { + + this.constant *= - 1; + this.normal.negate(); + + return this; + + }, + + distanceToPoint: function ( point ) { + + return this.normal.dot( point ) + this.constant; + + }, + + distanceToSphere: function ( sphere ) { + + return this.distanceToPoint( sphere.center ) - sphere.radius; + + }, + + projectPoint: function ( point, target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Plane: .projectPoint() target is now required' ); + target = new Vector3(); + + } + + return target.copy( this.normal ).multiplyScalar( - this.distanceToPoint( point ) ).add( point ); + + }, + + intersectLine: function ( line, target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Plane: .intersectLine() target is now required' ); + target = new Vector3(); + + } + + var direction = line.delta( _vector1 ); + + var denominator = this.normal.dot( direction ); + + if ( denominator === 0 ) { + + // line is coplanar, return origin + if ( this.distanceToPoint( line.start ) === 0 ) { + + return target.copy( line.start ); + + } + + // Unsure if this is the correct method to handle this case. + return undefined; + + } + + var t = - ( line.start.dot( this.normal ) + this.constant ) / denominator; + + if ( t < 0 || t > 1 ) { + + return undefined; + + } + + return target.copy( direction ).multiplyScalar( t ).add( line.start ); + + }, + + intersectsLine: function ( line ) { + + // Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it. + + var startSign = this.distanceToPoint( line.start ); + var endSign = this.distanceToPoint( line.end ); + + return ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 ); + + }, + + intersectsBox: function ( box ) { + + return box.intersectsPlane( this ); + + }, + + intersectsSphere: function ( sphere ) { + + return sphere.intersectsPlane( this ); + + }, + + coplanarPoint: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Plane: .coplanarPoint() target is now required' ); + target = new Vector3(); + + } + + return target.copy( this.normal ).multiplyScalar( - this.constant ); + + }, + + applyMatrix4: function ( matrix, optionalNormalMatrix ) { + + var normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix ); + + var referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix ); + + var normal = this.normal.applyMatrix3( normalMatrix ).normalize(); + + this.constant = - referencePoint.dot( normal ); + + return this; + + }, + + translate: function ( offset ) { + + this.constant -= offset.dot( this.normal ); + + return this; + + }, + + equals: function ( plane ) { + + return plane.normal.equals( this.normal ) && ( plane.constant === this.constant ); + + } + +} ); + +/** + * @author bhouston / http://clara.io + * @author mrdoob / http://mrdoob.com/ + */ + +var _v0$1 = new Vector3(); +var _v1$3 = new Vector3(); +var _v2$1 = new Vector3(); +var _v3 = new Vector3(); + +var _vab = new Vector3(); +var _vac = new Vector3(); +var _vbc = new Vector3(); +var _vap = new Vector3(); +var _vbp = new Vector3(); +var _vcp = new Vector3(); + +function Triangle( a, b, c ) { + + this.a = ( a !== undefined ) ? a : new Vector3(); + this.b = ( b !== undefined ) ? b : new Vector3(); + this.c = ( c !== undefined ) ? c : new Vector3(); + +} + +Object.assign( Triangle, { + + getNormal: function ( a, b, c, target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Triangle: .getNormal() target is now required' ); + target = new Vector3(); + + } + + target.subVectors( c, b ); + _v0$1.subVectors( a, b ); + target.cross( _v0$1 ); + + var targetLengthSq = target.lengthSq(); + if ( targetLengthSq > 0 ) { + + return target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) ); + + } + + return target.set( 0, 0, 0 ); + + }, + + // static/instance method to calculate barycentric coordinates + // based on: http://www.blackpawn.com/texts/pointinpoly/default.html + getBarycoord: function ( point, a, b, c, target ) { + + _v0$1.subVectors( c, a ); + _v1$3.subVectors( b, a ); + _v2$1.subVectors( point, a ); + + var dot00 = _v0$1.dot( _v0$1 ); + var dot01 = _v0$1.dot( _v1$3 ); + var dot02 = _v0$1.dot( _v2$1 ); + var dot11 = _v1$3.dot( _v1$3 ); + var dot12 = _v1$3.dot( _v2$1 ); + + var denom = ( dot00 * dot11 - dot01 * dot01 ); + + if ( target === undefined ) { + + console.warn( 'THREE.Triangle: .getBarycoord() target is now required' ); + target = new Vector3(); + + } + + // collinear or singular triangle + if ( denom === 0 ) { + + // arbitrary location outside of triangle? + // not sure if this is the best idea, maybe should be returning undefined + return target.set( - 2, - 1, - 1 ); + + } + + var invDenom = 1 / denom; + var u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom; + var v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom; + + // barycentric coordinates must always sum to 1 + return target.set( 1 - u - v, v, u ); + + }, + + containsPoint: function ( point, a, b, c ) { + + Triangle.getBarycoord( point, a, b, c, _v3 ); + + return ( _v3.x >= 0 ) && ( _v3.y >= 0 ) && ( ( _v3.x + _v3.y ) <= 1 ); + + }, + + getUV: function ( point, p1, p2, p3, uv1, uv2, uv3, target ) { + + this.getBarycoord( point, p1, p2, p3, _v3 ); + + target.set( 0, 0 ); + target.addScaledVector( uv1, _v3.x ); + target.addScaledVector( uv2, _v3.y ); + target.addScaledVector( uv3, _v3.z ); + + return target; + + }, + + isFrontFacing: function ( a, b, c, direction ) { + + _v0$1.subVectors( c, b ); + _v1$3.subVectors( a, b ); + + // strictly front facing + return ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false; + + } + +} ); + +Object.assign( Triangle.prototype, { + + set: function ( a, b, c ) { + + this.a.copy( a ); + this.b.copy( b ); + this.c.copy( c ); + + return this; + + }, + + setFromPointsAndIndices: function ( points, i0, i1, i2 ) { + + this.a.copy( points[ i0 ] ); + this.b.copy( points[ i1 ] ); + this.c.copy( points[ i2 ] ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( triangle ) { + + this.a.copy( triangle.a ); + this.b.copy( triangle.b ); + this.c.copy( triangle.c ); + + return this; + + }, + + getArea: function () { + + _v0$1.subVectors( this.c, this.b ); + _v1$3.subVectors( this.a, this.b ); + + return _v0$1.cross( _v1$3 ).length() * 0.5; + + }, + + getMidpoint: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Triangle: .getMidpoint() target is now required' ); + target = new Vector3(); + + } + + return target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 ); + + }, + + getNormal: function ( target ) { + + return Triangle.getNormal( this.a, this.b, this.c, target ); + + }, + + getPlane: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Triangle: .getPlane() target is now required' ); + target = new Plane(); + + } + + return target.setFromCoplanarPoints( this.a, this.b, this.c ); + + }, + + getBarycoord: function ( point, target ) { + + return Triangle.getBarycoord( point, this.a, this.b, this.c, target ); + + }, + + getUV: function ( point, uv1, uv2, uv3, target ) { + + return Triangle.getUV( point, this.a, this.b, this.c, uv1, uv2, uv3, target ); + + }, + + containsPoint: function ( point ) { + + return Triangle.containsPoint( point, this.a, this.b, this.c ); + + }, + + isFrontFacing: function ( direction ) { + + return Triangle.isFrontFacing( this.a, this.b, this.c, direction ); + + }, + + intersectsBox: function ( box ) { + + return box.intersectsTriangle( this ); + + }, + + closestPointToPoint: function ( p, target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Triangle: .closestPointToPoint() target is now required' ); + target = new Vector3(); + + } + + var a = this.a, b = this.b, c = this.c; + var v, w; + + // algorithm thanks to Real-Time Collision Detection by Christer Ericson, + // published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc., + // under the accompanying license; see chapter 5.1.5 for detailed explanation. + // basically, we're distinguishing which of the voronoi regions of the triangle + // the point lies in with the minimum amount of redundant computation. + + _vab.subVectors( b, a ); + _vac.subVectors( c, a ); + _vap.subVectors( p, a ); + var d1 = _vab.dot( _vap ); + var d2 = _vac.dot( _vap ); + if ( d1 <= 0 && d2 <= 0 ) { + + // vertex region of A; barycentric coords (1, 0, 0) + return target.copy( a ); + + } + + _vbp.subVectors( p, b ); + var d3 = _vab.dot( _vbp ); + var d4 = _vac.dot( _vbp ); + if ( d3 >= 0 && d4 <= d3 ) { + + // vertex region of B; barycentric coords (0, 1, 0) + return target.copy( b ); + + } + + var vc = d1 * d4 - d3 * d2; + if ( vc <= 0 && d1 >= 0 && d3 <= 0 ) { + + v = d1 / ( d1 - d3 ); + // edge region of AB; barycentric coords (1-v, v, 0) + return target.copy( a ).addScaledVector( _vab, v ); + + } + + _vcp.subVectors( p, c ); + var d5 = _vab.dot( _vcp ); + var d6 = _vac.dot( _vcp ); + if ( d6 >= 0 && d5 <= d6 ) { + + // vertex region of C; barycentric coords (0, 0, 1) + return target.copy( c ); + + } + + var vb = d5 * d2 - d1 * d6; + if ( vb <= 0 && d2 >= 0 && d6 <= 0 ) { + + w = d2 / ( d2 - d6 ); + // edge region of AC; barycentric coords (1-w, 0, w) + return target.copy( a ).addScaledVector( _vac, w ); + + } + + var va = d3 * d6 - d5 * d4; + if ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) { + + _vbc.subVectors( c, b ); + w = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) ); + // edge region of BC; barycentric coords (0, 1-w, w) + return target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC + + } + + // face region + var denom = 1 / ( va + vb + vc ); + // u = va * denom + v = vb * denom; + w = vc * denom; + + return target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w ); + + }, + + equals: function ( triangle ) { + + return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c ); + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF, + 'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2, + 'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50, + 'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B, + 'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B, + 'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F, + 'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3, + 'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222, + 'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700, + 'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4, + 'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00, + 'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3, + 'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA, + 'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32, + 'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3, + 'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC, + 'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD, + 'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6, + 'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9, + 'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F, + 'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE, + 'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA, + 'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0, + 'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 }; + +var _hslA = { h: 0, s: 0, l: 0 }; +var _hslB = { h: 0, s: 0, l: 0 }; + +function Color( r, g, b ) { + + if ( g === undefined && b === undefined ) { + + // r is THREE.Color, hex or string + return this.set( r ); + + } + + return this.setRGB( r, g, b ); + +} + +function hue2rgb( p, q, t ) { + + if ( t < 0 ) t += 1; + if ( t > 1 ) t -= 1; + if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t; + if ( t < 1 / 2 ) return q; + if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t ); + return p; + +} + +function SRGBToLinear( c ) { + + return ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 ); + +} + +function LinearToSRGB( c ) { + + return ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055; + +} + +Object.assign( Color.prototype, { + + isColor: true, + + r: 1, g: 1, b: 1, + + set: function ( value ) { + + if ( value && value.isColor ) { + + this.copy( value ); + + } else if ( typeof value === 'number' ) { + + this.setHex( value ); + + } else if ( typeof value === 'string' ) { + + this.setStyle( value ); + + } + + return this; + + }, + + setScalar: function ( scalar ) { + + this.r = scalar; + this.g = scalar; + this.b = scalar; + + return this; + + }, + + setHex: function ( hex ) { + + hex = Math.floor( hex ); + + this.r = ( hex >> 16 & 255 ) / 255; + this.g = ( hex >> 8 & 255 ) / 255; + this.b = ( hex & 255 ) / 255; + + return this; + + }, + + setRGB: function ( r, g, b ) { + + this.r = r; + this.g = g; + this.b = b; + + return this; + + }, + + setHSL: function ( h, s, l ) { + + // h,s,l ranges are in 0.0 - 1.0 + h = MathUtils.euclideanModulo( h, 1 ); + s = MathUtils.clamp( s, 0, 1 ); + l = MathUtils.clamp( l, 0, 1 ); + + if ( s === 0 ) { + + this.r = this.g = this.b = l; + + } else { + + var p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s ); + var q = ( 2 * l ) - p; + + this.r = hue2rgb( q, p, h + 1 / 3 ); + this.g = hue2rgb( q, p, h ); + this.b = hue2rgb( q, p, h - 1 / 3 ); + + } + + return this; + + }, + + setStyle: function ( style ) { + + function handleAlpha( string ) { + + if ( string === undefined ) return; + + if ( parseFloat( string ) < 1 ) { + + console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' ); + + } + + } + + + var m; + + if ( m = /^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec( style ) ) { + + // rgb / hsl + + var color; + var name = m[ 1 ]; + var components = m[ 2 ]; + + switch ( name ) { + + case 'rgb': + case 'rgba': + + if ( color = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + + // rgb(255,0,0) rgba(255,0,0,0.5) + this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255; + this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255; + this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255; + + handleAlpha( color[ 5 ] ); + + return this; + + } + + if ( color = /^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + + // rgb(100%,0%,0%) rgba(100%,0%,0%,0.5) + this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100; + this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100; + this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100; + + handleAlpha( color[ 5 ] ); + + return this; + + } + + break; + + case 'hsl': + case 'hsla': + + if ( color = /^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + + // hsl(120,50%,50%) hsla(120,50%,50%,0.5) + var h = parseFloat( color[ 1 ] ) / 360; + var s = parseInt( color[ 2 ], 10 ) / 100; + var l = parseInt( color[ 3 ], 10 ) / 100; + + handleAlpha( color[ 5 ] ); + + return this.setHSL( h, s, l ); + + } + + break; + + } + + } else if ( m = /^\#([A-Fa-f0-9]+)$/.exec( style ) ) { + + // hex color + + var hex = m[ 1 ]; + var size = hex.length; + + if ( size === 3 ) { + + // #ff0 + this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255; + this.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255; + this.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255; + + return this; + + } else if ( size === 6 ) { + + // #ff0000 + this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255; + this.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255; + this.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255; + + return this; + + } + + } + + if ( style && style.length > 0 ) { + + return this.setColorName( style ); + + } + + return this; + + }, + + setColorName: function ( style ) { + + // color keywords + var hex = _colorKeywords[ style ]; + + if ( hex !== undefined ) { + + // red + this.setHex( hex ); + + } else { + + // unknown color + console.warn( 'THREE.Color: Unknown color ' + style ); + + } + + return this; + + }, + + clone: function () { + + return new this.constructor( this.r, this.g, this.b ); + + }, + + copy: function ( color ) { + + this.r = color.r; + this.g = color.g; + this.b = color.b; + + return this; + + }, + + copyGammaToLinear: function ( color, gammaFactor ) { + + if ( gammaFactor === undefined ) gammaFactor = 2.0; + + this.r = Math.pow( color.r, gammaFactor ); + this.g = Math.pow( color.g, gammaFactor ); + this.b = Math.pow( color.b, gammaFactor ); + + return this; + + }, + + copyLinearToGamma: function ( color, gammaFactor ) { + + if ( gammaFactor === undefined ) gammaFactor = 2.0; + + var safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0; + + this.r = Math.pow( color.r, safeInverse ); + this.g = Math.pow( color.g, safeInverse ); + this.b = Math.pow( color.b, safeInverse ); + + return this; + + }, + + convertGammaToLinear: function ( gammaFactor ) { + + this.copyGammaToLinear( this, gammaFactor ); + + return this; + + }, + + convertLinearToGamma: function ( gammaFactor ) { + + this.copyLinearToGamma( this, gammaFactor ); + + return this; + + }, + + copySRGBToLinear: function ( color ) { + + this.r = SRGBToLinear( color.r ); + this.g = SRGBToLinear( color.g ); + this.b = SRGBToLinear( color.b ); + + return this; + + }, + + copyLinearToSRGB: function ( color ) { + + this.r = LinearToSRGB( color.r ); + this.g = LinearToSRGB( color.g ); + this.b = LinearToSRGB( color.b ); + + return this; + + }, + + convertSRGBToLinear: function () { + + this.copySRGBToLinear( this ); + + return this; + + }, + + convertLinearToSRGB: function () { + + this.copyLinearToSRGB( this ); + + return this; + + }, + + getHex: function () { + + return ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0; + + }, + + getHexString: function () { + + return ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 ); + + }, + + getHSL: function ( target ) { + + // h,s,l ranges are in 0.0 - 1.0 + + if ( target === undefined ) { + + console.warn( 'THREE.Color: .getHSL() target is now required' ); + target = { h: 0, s: 0, l: 0 }; + + } + + var r = this.r, g = this.g, b = this.b; + + var max = Math.max( r, g, b ); + var min = Math.min( r, g, b ); + + var hue, saturation; + var lightness = ( min + max ) / 2.0; + + if ( min === max ) { + + hue = 0; + saturation = 0; + + } else { + + var delta = max - min; + + saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min ); + + switch ( max ) { + + case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break; + case g: hue = ( b - r ) / delta + 2; break; + case b: hue = ( r - g ) / delta + 4; break; + + } + + hue /= 6; + + } + + target.h = hue; + target.s = saturation; + target.l = lightness; + + return target; + + }, + + getStyle: function () { + + return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')'; + + }, + + offsetHSL: function ( h, s, l ) { + + this.getHSL( _hslA ); + + _hslA.h += h; _hslA.s += s; _hslA.l += l; + + this.setHSL( _hslA.h, _hslA.s, _hslA.l ); + + return this; + + }, + + add: function ( color ) { + + this.r += color.r; + this.g += color.g; + this.b += color.b; + + return this; + + }, + + addColors: function ( color1, color2 ) { + + this.r = color1.r + color2.r; + this.g = color1.g + color2.g; + this.b = color1.b + color2.b; + + return this; + + }, + + addScalar: function ( s ) { + + this.r += s; + this.g += s; + this.b += s; + + return this; + + }, + + sub: function ( color ) { + + this.r = Math.max( 0, this.r - color.r ); + this.g = Math.max( 0, this.g - color.g ); + this.b = Math.max( 0, this.b - color.b ); + + return this; + + }, + + multiply: function ( color ) { + + this.r *= color.r; + this.g *= color.g; + this.b *= color.b; + + return this; + + }, + + multiplyScalar: function ( s ) { + + this.r *= s; + this.g *= s; + this.b *= s; + + return this; + + }, + + lerp: function ( color, alpha ) { + + this.r += ( color.r - this.r ) * alpha; + this.g += ( color.g - this.g ) * alpha; + this.b += ( color.b - this.b ) * alpha; + + return this; + + }, + + lerpHSL: function ( color, alpha ) { + + this.getHSL( _hslA ); + color.getHSL( _hslB ); + + var h = MathUtils.lerp( _hslA.h, _hslB.h, alpha ); + var s = MathUtils.lerp( _hslA.s, _hslB.s, alpha ); + var l = MathUtils.lerp( _hslA.l, _hslB.l, alpha ); + + this.setHSL( h, s, l ); + + return this; + + }, + + equals: function ( c ) { + + return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b ); + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + this.r = array[ offset ]; + this.g = array[ offset + 1 ]; + this.b = array[ offset + 2 ]; + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this.r; + array[ offset + 1 ] = this.g; + array[ offset + 2 ] = this.b; + + return array; + + }, + + toJSON: function () { + + return this.getHex(); + + } + +} ); + +Color.NAMES = _colorKeywords; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + +function Face3( a, b, c, normal, color, materialIndex ) { + + this.a = a; + this.b = b; + this.c = c; + + this.normal = ( normal && normal.isVector3 ) ? normal : new Vector3(); + this.vertexNormals = Array.isArray( normal ) ? normal : []; + + this.color = ( color && color.isColor ) ? color : new Color(); + this.vertexColors = Array.isArray( color ) ? color : []; + + this.materialIndex = materialIndex !== undefined ? materialIndex : 0; + +} + +Object.assign( Face3.prototype, { + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( source ) { + + this.a = source.a; + this.b = source.b; + this.c = source.c; + + this.normal.copy( source.normal ); + this.color.copy( source.color ); + + this.materialIndex = source.materialIndex; + + for ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) { + + this.vertexNormals[ i ] = source.vertexNormals[ i ].clone(); + + } + + for ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) { + + this.vertexColors[ i ] = source.vertexColors[ i ].clone(); + + } + + return this; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + +var materialId = 0; + +function Material() { + + Object.defineProperty( this, 'id', { value: materialId ++ } ); + + this.uuid = MathUtils.generateUUID(); + + this.name = ''; + this.type = 'Material'; + + this.fog = true; + + this.blending = NormalBlending; + this.side = FrontSide; + this.flatShading = false; + this.vertexColors = false; + + this.opacity = 1; + this.transparent = false; + + this.blendSrc = SrcAlphaFactor; + this.blendDst = OneMinusSrcAlphaFactor; + this.blendEquation = AddEquation; + this.blendSrcAlpha = null; + this.blendDstAlpha = null; + this.blendEquationAlpha = null; + + this.depthFunc = LessEqualDepth; + this.depthTest = true; + this.depthWrite = true; + + this.stencilWriteMask = 0xff; + this.stencilFunc = AlwaysStencilFunc; + this.stencilRef = 0; + this.stencilFuncMask = 0xff; + this.stencilFail = KeepStencilOp; + this.stencilZFail = KeepStencilOp; + this.stencilZPass = KeepStencilOp; + this.stencilWrite = false; + + this.clippingPlanes = null; + this.clipIntersection = false; + this.clipShadows = false; + + this.shadowSide = null; + + this.colorWrite = true; + + this.precision = null; // override the renderer's default precision for this material + + this.polygonOffset = false; + this.polygonOffsetFactor = 0; + this.polygonOffsetUnits = 0; + + this.dithering = false; + + this.alphaTest = 0; + this.premultipliedAlpha = false; + + this.visible = true; + + this.toneMapped = true; + + this.userData = {}; + + this.version = 0; + +} + +Material.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { + + constructor: Material, + + isMaterial: true, + + onBeforeCompile: function () {}, + + setValues: function ( values ) { + + if ( values === undefined ) return; + + for ( var key in values ) { + + var newValue = values[ key ]; + + if ( newValue === undefined ) { + + console.warn( "THREE.Material: '" + key + "' parameter is undefined." ); + continue; + + } + + // for backward compatability if shading is set in the constructor + if ( key === 'shading' ) { + + console.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' ); + this.flatShading = ( newValue === FlatShading ) ? true : false; + continue; + + } + + var currentValue = this[ key ]; + + if ( currentValue === undefined ) { + + console.warn( "THREE." + this.type + ": '" + key + "' is not a property of this material." ); + continue; + + } + + if ( currentValue && currentValue.isColor ) { + + currentValue.set( newValue ); + + } else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) { + + currentValue.copy( newValue ); + + } else { + + this[ key ] = newValue; + + } + + } + + }, + + toJSON: function ( meta ) { + + var isRoot = ( meta === undefined || typeof meta === 'string' ); + + if ( isRoot ) { + + meta = { + textures: {}, + images: {} + }; + + } + + var data = { + metadata: { + version: 4.5, + type: 'Material', + generator: 'Material.toJSON' + } + }; + + // standard Material serialization + data.uuid = this.uuid; + data.type = this.type; + + if ( this.name !== '' ) data.name = this.name; + + if ( this.color && this.color.isColor ) data.color = this.color.getHex(); + + if ( this.roughness !== undefined ) data.roughness = this.roughness; + if ( this.metalness !== undefined ) data.metalness = this.metalness; + + if ( this.sheen && this.sheen.isColor ) data.sheen = this.sheen.getHex(); + if ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex(); + if ( this.emissiveIntensity && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity; + + if ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex(); + if ( this.shininess !== undefined ) data.shininess = this.shininess; + if ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat; + if ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness; + + if ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) { + + data.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid; + data.clearcoatNormalScale = this.clearcoatNormalScale.toArray(); + + } + + if ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid; + if ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid; + if ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid; + if ( this.lightMap && this.lightMap.isTexture ) data.lightMap = this.lightMap.toJSON( meta ).uuid; + + if ( this.aoMap && this.aoMap.isTexture ) { + + data.aoMap = this.aoMap.toJSON( meta ).uuid; + data.aoMapIntensity = this.aoMapIntensity; + + } + + if ( this.bumpMap && this.bumpMap.isTexture ) { + + data.bumpMap = this.bumpMap.toJSON( meta ).uuid; + data.bumpScale = this.bumpScale; + + } + + if ( this.normalMap && this.normalMap.isTexture ) { + + data.normalMap = this.normalMap.toJSON( meta ).uuid; + data.normalMapType = this.normalMapType; + data.normalScale = this.normalScale.toArray(); + + } + + if ( this.displacementMap && this.displacementMap.isTexture ) { + + data.displacementMap = this.displacementMap.toJSON( meta ).uuid; + data.displacementScale = this.displacementScale; + data.displacementBias = this.displacementBias; + + } + + if ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid; + if ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid; + + if ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid; + if ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid; + + if ( this.envMap && this.envMap.isTexture ) { + + data.envMap = this.envMap.toJSON( meta ).uuid; + data.reflectivity = this.reflectivity; // Scale behind envMap + data.refractionRatio = this.refractionRatio; + + if ( this.combine !== undefined ) data.combine = this.combine; + if ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity; + + } + + if ( this.gradientMap && this.gradientMap.isTexture ) { + + data.gradientMap = this.gradientMap.toJSON( meta ).uuid; + + } + + if ( this.size !== undefined ) data.size = this.size; + if ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation; + + if ( this.blending !== NormalBlending ) data.blending = this.blending; + if ( this.flatShading === true ) data.flatShading = this.flatShading; + if ( this.side !== FrontSide ) data.side = this.side; + if ( this.vertexColors ) data.vertexColors = true; + + if ( this.opacity < 1 ) data.opacity = this.opacity; + if ( this.transparent === true ) data.transparent = this.transparent; + + data.depthFunc = this.depthFunc; + data.depthTest = this.depthTest; + data.depthWrite = this.depthWrite; + + data.stencilWrite = this.stencilWrite; + data.stencilWriteMask = this.stencilWriteMask; + data.stencilFunc = this.stencilFunc; + data.stencilRef = this.stencilRef; + data.stencilFuncMask = this.stencilFuncMask; + data.stencilFail = this.stencilFail; + data.stencilZFail = this.stencilZFail; + data.stencilZPass = this.stencilZPass; + + // rotation (SpriteMaterial) + if ( this.rotation && this.rotation !== 0 ) data.rotation = this.rotation; + + if ( this.polygonOffset === true ) data.polygonOffset = true; + if ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor; + if ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits; + + if ( this.linewidth && this.linewidth !== 1 ) data.linewidth = this.linewidth; + if ( this.dashSize !== undefined ) data.dashSize = this.dashSize; + if ( this.gapSize !== undefined ) data.gapSize = this.gapSize; + if ( this.scale !== undefined ) data.scale = this.scale; + + if ( this.dithering === true ) data.dithering = true; + + if ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest; + if ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha; + + if ( this.wireframe === true ) data.wireframe = this.wireframe; + if ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth; + if ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap; + if ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin; + + if ( this.morphTargets === true ) data.morphTargets = true; + if ( this.morphNormals === true ) data.morphNormals = true; + if ( this.skinning === true ) data.skinning = true; + + if ( this.visible === false ) data.visible = false; + + if ( this.toneMapped === false ) data.toneMapped = false; + + if ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData; + + // TODO: Copied from Object3D.toJSON + + function extractFromCache( cache ) { + + var values = []; + + for ( var key in cache ) { + + var data = cache[ key ]; + delete data.metadata; + values.push( data ); + + } + + return values; + + } + + if ( isRoot ) { + + var textures = extractFromCache( meta.textures ); + var images = extractFromCache( meta.images ); + + if ( textures.length > 0 ) data.textures = textures; + if ( images.length > 0 ) data.images = images; + + } + + return data; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( source ) { + + this.name = source.name; + + this.fog = source.fog; + + this.blending = source.blending; + this.side = source.side; + this.flatShading = source.flatShading; + this.vertexColors = source.vertexColors; + + this.opacity = source.opacity; + this.transparent = source.transparent; + + this.blendSrc = source.blendSrc; + this.blendDst = source.blendDst; + this.blendEquation = source.blendEquation; + this.blendSrcAlpha = source.blendSrcAlpha; + this.blendDstAlpha = source.blendDstAlpha; + this.blendEquationAlpha = source.blendEquationAlpha; + + this.depthFunc = source.depthFunc; + this.depthTest = source.depthTest; + this.depthWrite = source.depthWrite; + + this.stencilWriteMask = source.stencilWriteMask; + this.stencilFunc = source.stencilFunc; + this.stencilRef = source.stencilRef; + this.stencilFuncMask = source.stencilFuncMask; + this.stencilFail = source.stencilFail; + this.stencilZFail = source.stencilZFail; + this.stencilZPass = source.stencilZPass; + this.stencilWrite = source.stencilWrite; + + var srcPlanes = source.clippingPlanes, + dstPlanes = null; + + if ( srcPlanes !== null ) { + + var n = srcPlanes.length; + dstPlanes = new Array( n ); + + for ( var i = 0; i !== n; ++ i ) + dstPlanes[ i ] = srcPlanes[ i ].clone(); + + } + + this.clippingPlanes = dstPlanes; + this.clipIntersection = source.clipIntersection; + this.clipShadows = source.clipShadows; + + this.shadowSide = source.shadowSide; + + this.colorWrite = source.colorWrite; + + this.precision = source.precision; + + this.polygonOffset = source.polygonOffset; + this.polygonOffsetFactor = source.polygonOffsetFactor; + this.polygonOffsetUnits = source.polygonOffsetUnits; + + this.dithering = source.dithering; + + this.alphaTest = source.alphaTest; + this.premultipliedAlpha = source.premultipliedAlpha; + + this.visible = source.visible; + + this.toneMapped = source.toneMapped; + + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + + return this; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +} ); + +Object.defineProperty( Material.prototype, 'needsUpdate', { + + set: function ( value ) { + + if ( value === true ) this.version ++; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * depthTest: , + * depthWrite: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: + * } + */ + +function MeshBasicMaterial( parameters ) { + + Material.call( this ); + + this.type = 'MeshBasicMaterial'; + + this.color = new Color( 0xffffff ); // emissive + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.skinning = false; + this.morphTargets = false; + + this.setValues( parameters ); + +} + +MeshBasicMaterial.prototype = Object.create( Material.prototype ); +MeshBasicMaterial.prototype.constructor = MeshBasicMaterial; + +MeshBasicMaterial.prototype.isMeshBasicMaterial = true; + +MeshBasicMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + + return this; + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var _vector$3 = new Vector3(); + +function BufferAttribute( array, itemSize, normalized ) { + + if ( Array.isArray( array ) ) { + + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + + } + + this.name = ''; + + this.array = array; + this.itemSize = itemSize; + this.count = array !== undefined ? array.length / itemSize : 0; + this.normalized = normalized === true; + + this.usage = StaticDrawUsage; + this.updateRange = { offset: 0, count: - 1 }; + + this.version = 0; + +} + +Object.defineProperty( BufferAttribute.prototype, 'needsUpdate', { + + set: function ( value ) { + + if ( value === true ) this.version ++; + + } + +} ); + +Object.assign( BufferAttribute.prototype, { + + isBufferAttribute: true, + + onUploadCallback: function () {}, + + setUsage: function ( value ) { + + this.usage = value; + + return this; + + }, + + copy: function ( source ) { + + this.name = source.name; + this.array = new source.array.constructor( source.array ); + this.itemSize = source.itemSize; + this.count = source.count; + this.normalized = source.normalized; + + this.usage = source.usage; + + return this; + + }, + + copyAt: function ( index1, attribute, index2 ) { + + index1 *= this.itemSize; + index2 *= attribute.itemSize; + + for ( var i = 0, l = this.itemSize; i < l; i ++ ) { + + this.array[ index1 + i ] = attribute.array[ index2 + i ]; + + } + + return this; + + }, + + copyArray: function ( array ) { + + this.array.set( array ); + + return this; + + }, + + copyColorsArray: function ( colors ) { + + var array = this.array, offset = 0; + + for ( var i = 0, l = colors.length; i < l; i ++ ) { + + var color = colors[ i ]; + + if ( color === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i ); + color = new Color(); + + } + + array[ offset ++ ] = color.r; + array[ offset ++ ] = color.g; + array[ offset ++ ] = color.b; + + } + + return this; + + }, + + copyVector2sArray: function ( vectors ) { + + var array = this.array, offset = 0; + + for ( var i = 0, l = vectors.length; i < l; i ++ ) { + + var vector = vectors[ i ]; + + if ( vector === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i ); + vector = new Vector2(); + + } + + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + + } + + return this; + + }, + + copyVector3sArray: function ( vectors ) { + + var array = this.array, offset = 0; + + for ( var i = 0, l = vectors.length; i < l; i ++ ) { + + var vector = vectors[ i ]; + + if ( vector === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i ); + vector = new Vector3(); + + } + + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + array[ offset ++ ] = vector.z; + + } + + return this; + + }, + + copyVector4sArray: function ( vectors ) { + + var array = this.array, offset = 0; + + for ( var i = 0, l = vectors.length; i < l; i ++ ) { + + var vector = vectors[ i ]; + + if ( vector === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i ); + vector = new Vector4(); + + } + + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + array[ offset ++ ] = vector.z; + array[ offset ++ ] = vector.w; + + } + + return this; + + }, + + applyMatrix3: function ( m ) { + + for ( var i = 0, l = this.count; i < l; i ++ ) { + + _vector$3.x = this.getX( i ); + _vector$3.y = this.getY( i ); + _vector$3.z = this.getZ( i ); + + _vector$3.applyMatrix3( m ); + + this.setXYZ( i, _vector$3.x, _vector$3.y, _vector$3.z ); + + } + + return this; + + }, + + applyMatrix4: function ( m ) { + + for ( var i = 0, l = this.count; i < l; i ++ ) { + + _vector$3.x = this.getX( i ); + _vector$3.y = this.getY( i ); + _vector$3.z = this.getZ( i ); + + _vector$3.applyMatrix4( m ); + + this.setXYZ( i, _vector$3.x, _vector$3.y, _vector$3.z ); + + } + + return this; + + }, + + applyNormalMatrix: function ( m ) { + + for ( var i = 0, l = this.count; i < l; i ++ ) { + + _vector$3.x = this.getX( i ); + _vector$3.y = this.getY( i ); + _vector$3.z = this.getZ( i ); + + _vector$3.applyNormalMatrix( m ); + + this.setXYZ( i, _vector$3.x, _vector$3.y, _vector$3.z ); + + } + + return this; + + }, + + transformDirection: function ( m ) { + + for ( var i = 0, l = this.count; i < l; i ++ ) { + + _vector$3.x = this.getX( i ); + _vector$3.y = this.getY( i ); + _vector$3.z = this.getZ( i ); + + _vector$3.transformDirection( m ); + + this.setXYZ( i, _vector$3.x, _vector$3.y, _vector$3.z ); + + } + + return this; + + }, + + set: function ( value, offset ) { + + if ( offset === undefined ) offset = 0; + + this.array.set( value, offset ); + + return this; + + }, + + getX: function ( index ) { + + return this.array[ index * this.itemSize ]; + + }, + + setX: function ( index, x ) { + + this.array[ index * this.itemSize ] = x; + + return this; + + }, + + getY: function ( index ) { + + return this.array[ index * this.itemSize + 1 ]; + + }, + + setY: function ( index, y ) { + + this.array[ index * this.itemSize + 1 ] = y; + + return this; + + }, + + getZ: function ( index ) { + + return this.array[ index * this.itemSize + 2 ]; + + }, + + setZ: function ( index, z ) { + + this.array[ index * this.itemSize + 2 ] = z; + + return this; + + }, + + getW: function ( index ) { + + return this.array[ index * this.itemSize + 3 ]; + + }, + + setW: function ( index, w ) { + + this.array[ index * this.itemSize + 3 ] = w; + + return this; + + }, + + setXY: function ( index, x, y ) { + + index *= this.itemSize; + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + + return this; + + }, + + setXYZ: function ( index, x, y, z ) { + + index *= this.itemSize; + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + + return this; + + }, + + setXYZW: function ( index, x, y, z, w ) { + + index *= this.itemSize; + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + this.array[ index + 3 ] = w; + + return this; + + }, + + onUpload: function ( callback ) { + + this.onUploadCallback = callback; + + return this; + + }, + + clone: function () { + + return new this.constructor( this.array, this.itemSize ).copy( this ); + + }, + + toJSON: function () { + + return { + itemSize: this.itemSize, + type: this.array.constructor.name, + array: Array.prototype.slice.call( this.array ), + normalized: this.normalized + }; + + } + +} ); + +// + +function Int8BufferAttribute( array, itemSize, normalized ) { + + BufferAttribute.call( this, new Int8Array( array ), itemSize, normalized ); + +} + +Int8BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Int8BufferAttribute.prototype.constructor = Int8BufferAttribute; + + +function Uint8BufferAttribute( array, itemSize, normalized ) { + + BufferAttribute.call( this, new Uint8Array( array ), itemSize, normalized ); + +} + +Uint8BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Uint8BufferAttribute.prototype.constructor = Uint8BufferAttribute; + + +function Uint8ClampedBufferAttribute( array, itemSize, normalized ) { + + BufferAttribute.call( this, new Uint8ClampedArray( array ), itemSize, normalized ); + +} + +Uint8ClampedBufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Uint8ClampedBufferAttribute.prototype.constructor = Uint8ClampedBufferAttribute; + + +function Int16BufferAttribute( array, itemSize, normalized ) { + + BufferAttribute.call( this, new Int16Array( array ), itemSize, normalized ); + +} + +Int16BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Int16BufferAttribute.prototype.constructor = Int16BufferAttribute; + + +function Uint16BufferAttribute( array, itemSize, normalized ) { + + BufferAttribute.call( this, new Uint16Array( array ), itemSize, normalized ); + +} + +Uint16BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Uint16BufferAttribute.prototype.constructor = Uint16BufferAttribute; + + +function Int32BufferAttribute( array, itemSize, normalized ) { + + BufferAttribute.call( this, new Int32Array( array ), itemSize, normalized ); + +} + +Int32BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Int32BufferAttribute.prototype.constructor = Int32BufferAttribute; + + +function Uint32BufferAttribute( array, itemSize, normalized ) { + + BufferAttribute.call( this, new Uint32Array( array ), itemSize, normalized ); + +} + +Uint32BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Uint32BufferAttribute.prototype.constructor = Uint32BufferAttribute; + + +function Float32BufferAttribute( array, itemSize, normalized ) { + + BufferAttribute.call( this, new Float32Array( array ), itemSize, normalized ); + +} + +Float32BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Float32BufferAttribute.prototype.constructor = Float32BufferAttribute; + + +function Float64BufferAttribute( array, itemSize, normalized ) { + + BufferAttribute.call( this, new Float64Array( array ), itemSize, normalized ); + +} + +Float64BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Float64BufferAttribute.prototype.constructor = Float64BufferAttribute; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function DirectGeometry() { + + this.vertices = []; + this.normals = []; + this.colors = []; + this.uvs = []; + this.uvs2 = []; + + this.groups = []; + + this.morphTargets = {}; + + this.skinWeights = []; + this.skinIndices = []; + + // this.lineDistances = []; + + this.boundingBox = null; + this.boundingSphere = null; + + // update flags + + this.verticesNeedUpdate = false; + this.normalsNeedUpdate = false; + this.colorsNeedUpdate = false; + this.uvsNeedUpdate = false; + this.groupsNeedUpdate = false; + +} + +Object.assign( DirectGeometry.prototype, { + + computeGroups: function ( geometry ) { + + var group; + var groups = []; + var materialIndex = undefined; + + var faces = geometry.faces; + + for ( var i = 0; i < faces.length; i ++ ) { + + var face = faces[ i ]; + + // materials + + if ( face.materialIndex !== materialIndex ) { + + materialIndex = face.materialIndex; + + if ( group !== undefined ) { + + group.count = ( i * 3 ) - group.start; + groups.push( group ); + + } + + group = { + start: i * 3, + materialIndex: materialIndex + }; + + } + + } + + if ( group !== undefined ) { + + group.count = ( i * 3 ) - group.start; + groups.push( group ); + + } + + this.groups = groups; + + }, + + fromGeometry: function ( geometry ) { + + var faces = geometry.faces; + var vertices = geometry.vertices; + var faceVertexUvs = geometry.faceVertexUvs; + + var hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0; + var hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0; + + // morphs + + var morphTargets = geometry.morphTargets; + var morphTargetsLength = morphTargets.length; + + var morphTargetsPosition; + + if ( morphTargetsLength > 0 ) { + + morphTargetsPosition = []; + + for ( var i = 0; i < morphTargetsLength; i ++ ) { + + morphTargetsPosition[ i ] = { + name: morphTargets[ i ].name, + data: [] + }; + + } + + this.morphTargets.position = morphTargetsPosition; + + } + + var morphNormals = geometry.morphNormals; + var morphNormalsLength = morphNormals.length; + + var morphTargetsNormal; + + if ( morphNormalsLength > 0 ) { + + morphTargetsNormal = []; + + for ( var i = 0; i < morphNormalsLength; i ++ ) { + + morphTargetsNormal[ i ] = { + name: morphNormals[ i ].name, + data: [] + }; + + } + + this.morphTargets.normal = morphTargetsNormal; + + } + + // skins + + var skinIndices = geometry.skinIndices; + var skinWeights = geometry.skinWeights; + + var hasSkinIndices = skinIndices.length === vertices.length; + var hasSkinWeights = skinWeights.length === vertices.length; + + // + + if ( vertices.length > 0 && faces.length === 0 ) { + + console.error( 'THREE.DirectGeometry: Faceless geometries are not supported.' ); + + } + + for ( var i = 0; i < faces.length; i ++ ) { + + var face = faces[ i ]; + + this.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] ); + + var vertexNormals = face.vertexNormals; + + if ( vertexNormals.length === 3 ) { + + this.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] ); + + } else { + + var normal = face.normal; + + this.normals.push( normal, normal, normal ); + + } + + var vertexColors = face.vertexColors; + + if ( vertexColors.length === 3 ) { + + this.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] ); + + } else { + + var color = face.color; + + this.colors.push( color, color, color ); + + } + + if ( hasFaceVertexUv === true ) { + + var vertexUvs = faceVertexUvs[ 0 ][ i ]; + + if ( vertexUvs !== undefined ) { + + this.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); + + } else { + + console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i ); + + this.uvs.push( new Vector2(), new Vector2(), new Vector2() ); + + } + + } + + if ( hasFaceVertexUv2 === true ) { + + var vertexUvs = faceVertexUvs[ 1 ][ i ]; + + if ( vertexUvs !== undefined ) { + + this.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); + + } else { + + console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i ); + + this.uvs2.push( new Vector2(), new Vector2(), new Vector2() ); + + } + + } + + // morphs + + for ( var j = 0; j < morphTargetsLength; j ++ ) { + + var morphTarget = morphTargets[ j ].vertices; + + morphTargetsPosition[ j ].data.push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] ); + + } + + for ( var j = 0; j < morphNormalsLength; j ++ ) { + + var morphNormal = morphNormals[ j ].vertexNormals[ i ]; + + morphTargetsNormal[ j ].data.push( morphNormal.a, morphNormal.b, morphNormal.c ); + + } + + // skins + + if ( hasSkinIndices ) { + + this.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] ); + + } + + if ( hasSkinWeights ) { + + this.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] ); + + } + + } + + this.computeGroups( geometry ); + + this.verticesNeedUpdate = geometry.verticesNeedUpdate; + this.normalsNeedUpdate = geometry.normalsNeedUpdate; + this.colorsNeedUpdate = geometry.colorsNeedUpdate; + this.uvsNeedUpdate = geometry.uvsNeedUpdate; + this.groupsNeedUpdate = geometry.groupsNeedUpdate; + + if ( geometry.boundingSphere !== null ) { + + this.boundingSphere = geometry.boundingSphere.clone(); + + } + + if ( geometry.boundingBox !== null ) { + + this.boundingBox = geometry.boundingBox.clone(); + + } + + return this; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function arrayMax( array ) { + + if ( array.length === 0 ) return - Infinity; + + var max = array[ 0 ]; + + for ( var i = 1, l = array.length; i < l; ++ i ) { + + if ( array[ i ] > max ) max = array[ i ]; + + } + + return max; + +} + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + +var _bufferGeometryId = 1; // BufferGeometry uses odd numbers as Id + +var _m1$2 = new Matrix4(); +var _obj = new Object3D(); +var _offset = new Vector3(); +var _box$2 = new Box3(); +var _boxMorphTargets = new Box3(); +var _vector$4 = new Vector3(); + +function BufferGeometry() { + + Object.defineProperty( this, 'id', { value: _bufferGeometryId += 2 } ); + + this.uuid = MathUtils.generateUUID(); + + this.name = ''; + this.type = 'BufferGeometry'; + + this.index = null; + this.attributes = {}; + + this.morphAttributes = {}; + this.morphTargetsRelative = false; + + this.groups = []; + + this.boundingBox = null; + this.boundingSphere = null; + + this.drawRange = { start: 0, count: Infinity }; + + this.userData = {}; + +} + +BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { + + constructor: BufferGeometry, + + isBufferGeometry: true, + + getIndex: function () { + + return this.index; + + }, + + setIndex: function ( index ) { + + if ( Array.isArray( index ) ) { + + this.index = new ( arrayMax( index ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 ); + + } else { + + this.index = index; + + } + + }, + + getAttribute: function ( name ) { + + return this.attributes[ name ]; + + }, + + setAttribute: function ( name, attribute ) { + + this.attributes[ name ] = attribute; + + return this; + + }, + + deleteAttribute: function ( name ) { + + delete this.attributes[ name ]; + + return this; + + }, + + addGroup: function ( start, count, materialIndex ) { + + this.groups.push( { + + start: start, + count: count, + materialIndex: materialIndex !== undefined ? materialIndex : 0 + + } ); + + }, + + clearGroups: function () { + + this.groups = []; + + }, + + setDrawRange: function ( start, count ) { + + this.drawRange.start = start; + this.drawRange.count = count; + + }, + + applyMatrix4: function ( matrix ) { + + var position = this.attributes.position; + + if ( position !== undefined ) { + + position.applyMatrix4( matrix ); + + position.needsUpdate = true; + + } + + var normal = this.attributes.normal; + + if ( normal !== undefined ) { + + var normalMatrix = new Matrix3().getNormalMatrix( matrix ); + + normal.applyNormalMatrix( normalMatrix ); + + normal.needsUpdate = true; + + } + + var tangent = this.attributes.tangent; + + if ( tangent !== undefined ) { + + tangent.transformDirection( matrix ); + + tangent.needsUpdate = true; + + } + + if ( this.boundingBox !== null ) { + + this.computeBoundingBox(); + + } + + if ( this.boundingSphere !== null ) { + + this.computeBoundingSphere(); + + } + + return this; + + }, + + rotateX: function ( angle ) { + + // rotate geometry around world x-axis + + _m1$2.makeRotationX( angle ); + + this.applyMatrix4( _m1$2 ); + + return this; + + }, + + rotateY: function ( angle ) { + + // rotate geometry around world y-axis + + _m1$2.makeRotationY( angle ); + + this.applyMatrix4( _m1$2 ); + + return this; + + }, + + rotateZ: function ( angle ) { + + // rotate geometry around world z-axis + + _m1$2.makeRotationZ( angle ); + + this.applyMatrix4( _m1$2 ); + + return this; + + }, + + translate: function ( x, y, z ) { + + // translate geometry + + _m1$2.makeTranslation( x, y, z ); + + this.applyMatrix4( _m1$2 ); + + return this; + + }, + + scale: function ( x, y, z ) { + + // scale geometry + + _m1$2.makeScale( x, y, z ); + + this.applyMatrix4( _m1$2 ); + + return this; + + }, + + lookAt: function ( vector ) { + + _obj.lookAt( vector ); + + _obj.updateMatrix(); + + this.applyMatrix4( _obj.matrix ); + + return this; + + }, + + center: function () { + + this.computeBoundingBox(); + + this.boundingBox.getCenter( _offset ).negate(); + + this.translate( _offset.x, _offset.y, _offset.z ); + + return this; + + }, + + setFromObject: function ( object ) { + + // console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this ); + + var geometry = object.geometry; + + if ( object.isPoints || object.isLine ) { + + var positions = new Float32BufferAttribute( geometry.vertices.length * 3, 3 ); + var colors = new Float32BufferAttribute( geometry.colors.length * 3, 3 ); + + this.setAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) ); + this.setAttribute( 'color', colors.copyColorsArray( geometry.colors ) ); + + if ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) { + + var lineDistances = new Float32BufferAttribute( geometry.lineDistances.length, 1 ); + + this.setAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) ); + + } + + if ( geometry.boundingSphere !== null ) { + + this.boundingSphere = geometry.boundingSphere.clone(); + + } + + if ( geometry.boundingBox !== null ) { + + this.boundingBox = geometry.boundingBox.clone(); + + } + + } else if ( object.isMesh ) { + + if ( geometry && geometry.isGeometry ) { + + this.fromGeometry( geometry ); + + } + + } + + return this; + + }, + + setFromPoints: function ( points ) { + + var position = []; + + for ( var i = 0, l = points.length; i < l; i ++ ) { + + var point = points[ i ]; + position.push( point.x, point.y, point.z || 0 ); + + } + + this.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) ); + + return this; + + }, + + updateFromObject: function ( object ) { + + var geometry = object.geometry; + + if ( object.isMesh ) { + + var direct = geometry.__directGeometry; + + if ( geometry.elementsNeedUpdate === true ) { + + direct = undefined; + geometry.elementsNeedUpdate = false; + + } + + if ( direct === undefined ) { + + return this.fromGeometry( geometry ); + + } + + direct.verticesNeedUpdate = geometry.verticesNeedUpdate; + direct.normalsNeedUpdate = geometry.normalsNeedUpdate; + direct.colorsNeedUpdate = geometry.colorsNeedUpdate; + direct.uvsNeedUpdate = geometry.uvsNeedUpdate; + direct.groupsNeedUpdate = geometry.groupsNeedUpdate; + + geometry.verticesNeedUpdate = false; + geometry.normalsNeedUpdate = false; + geometry.colorsNeedUpdate = false; + geometry.uvsNeedUpdate = false; + geometry.groupsNeedUpdate = false; + + geometry = direct; + + } + + var attribute; + + if ( geometry.verticesNeedUpdate === true ) { + + attribute = this.attributes.position; + + if ( attribute !== undefined ) { + + attribute.copyVector3sArray( geometry.vertices ); + attribute.needsUpdate = true; + + } + + geometry.verticesNeedUpdate = false; + + } + + if ( geometry.normalsNeedUpdate === true ) { + + attribute = this.attributes.normal; + + if ( attribute !== undefined ) { + + attribute.copyVector3sArray( geometry.normals ); + attribute.needsUpdate = true; + + } + + geometry.normalsNeedUpdate = false; + + } + + if ( geometry.colorsNeedUpdate === true ) { + + attribute = this.attributes.color; + + if ( attribute !== undefined ) { + + attribute.copyColorsArray( geometry.colors ); + attribute.needsUpdate = true; + + } + + geometry.colorsNeedUpdate = false; + + } + + if ( geometry.uvsNeedUpdate ) { + + attribute = this.attributes.uv; + + if ( attribute !== undefined ) { + + attribute.copyVector2sArray( geometry.uvs ); + attribute.needsUpdate = true; + + } + + geometry.uvsNeedUpdate = false; + + } + + if ( geometry.lineDistancesNeedUpdate ) { + + attribute = this.attributes.lineDistance; + + if ( attribute !== undefined ) { + + attribute.copyArray( geometry.lineDistances ); + attribute.needsUpdate = true; + + } + + geometry.lineDistancesNeedUpdate = false; + + } + + if ( geometry.groupsNeedUpdate ) { + + geometry.computeGroups( object.geometry ); + this.groups = geometry.groups; + + geometry.groupsNeedUpdate = false; + + } + + return this; + + }, + + fromGeometry: function ( geometry ) { + + geometry.__directGeometry = new DirectGeometry().fromGeometry( geometry ); + + return this.fromDirectGeometry( geometry.__directGeometry ); + + }, + + fromDirectGeometry: function ( geometry ) { + + var positions = new Float32Array( geometry.vertices.length * 3 ); + this.setAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) ); + + if ( geometry.normals.length > 0 ) { + + var normals = new Float32Array( geometry.normals.length * 3 ); + this.setAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) ); + + } + + if ( geometry.colors.length > 0 ) { + + var colors = new Float32Array( geometry.colors.length * 3 ); + this.setAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) ); + + } + + if ( geometry.uvs.length > 0 ) { + + var uvs = new Float32Array( geometry.uvs.length * 2 ); + this.setAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) ); + + } + + if ( geometry.uvs2.length > 0 ) { + + var uvs2 = new Float32Array( geometry.uvs2.length * 2 ); + this.setAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) ); + + } + + // groups + + this.groups = geometry.groups; + + // morphs + + for ( var name in geometry.morphTargets ) { + + var array = []; + var morphTargets = geometry.morphTargets[ name ]; + + for ( var i = 0, l = morphTargets.length; i < l; i ++ ) { + + var morphTarget = morphTargets[ i ]; + + var attribute = new Float32BufferAttribute( morphTarget.data.length * 3, 3 ); + attribute.name = morphTarget.name; + + array.push( attribute.copyVector3sArray( morphTarget.data ) ); + + } + + this.morphAttributes[ name ] = array; + + } + + // skinning + + if ( geometry.skinIndices.length > 0 ) { + + var skinIndices = new Float32BufferAttribute( geometry.skinIndices.length * 4, 4 ); + this.setAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) ); + + } + + if ( geometry.skinWeights.length > 0 ) { + + var skinWeights = new Float32BufferAttribute( geometry.skinWeights.length * 4, 4 ); + this.setAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) ); + + } + + // + + if ( geometry.boundingSphere !== null ) { + + this.boundingSphere = geometry.boundingSphere.clone(); + + } + + if ( geometry.boundingBox !== null ) { + + this.boundingBox = geometry.boundingBox.clone(); + + } + + return this; + + }, + + computeBoundingBox: function () { + + if ( this.boundingBox === null ) { + + this.boundingBox = new Box3(); + + } + + var position = this.attributes.position; + var morphAttributesPosition = this.morphAttributes.position; + + if ( position !== undefined ) { + + this.boundingBox.setFromBufferAttribute( position ); + + // process morph attributes if present + + if ( morphAttributesPosition ) { + + for ( var i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + + var morphAttribute = morphAttributesPosition[ i ]; + _box$2.setFromBufferAttribute( morphAttribute ); + + if ( this.morphTargetsRelative ) { + + _vector$4.addVectors( this.boundingBox.min, _box$2.min ); + this.boundingBox.expandByPoint( _vector$4 ); + + _vector$4.addVectors( this.boundingBox.max, _box$2.max ); + this.boundingBox.expandByPoint( _vector$4 ); + + } else { + + this.boundingBox.expandByPoint( _box$2.min ); + this.boundingBox.expandByPoint( _box$2.max ); + + } + + } + + } + + } else { + + this.boundingBox.makeEmpty(); + + } + + if ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) { + + console.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this ); + + } + + }, + + computeBoundingSphere: function () { + + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + var position = this.attributes.position; + var morphAttributesPosition = this.morphAttributes.position; + + if ( position ) { + + // first, find the center of the bounding sphere + + var center = this.boundingSphere.center; + + _box$2.setFromBufferAttribute( position ); + + // process morph attributes if present + + if ( morphAttributesPosition ) { + + for ( var i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + + var morphAttribute = morphAttributesPosition[ i ]; + _boxMorphTargets.setFromBufferAttribute( morphAttribute ); + + if ( this.morphTargetsRelative ) { + + _vector$4.addVectors( _box$2.min, _boxMorphTargets.min ); + _box$2.expandByPoint( _vector$4 ); + + _vector$4.addVectors( _box$2.max, _boxMorphTargets.max ); + _box$2.expandByPoint( _vector$4 ); + + } else { + + _box$2.expandByPoint( _boxMorphTargets.min ); + _box$2.expandByPoint( _boxMorphTargets.max ); + + } + + } + + } + + _box$2.getCenter( center ); + + // second, try to find a boundingSphere with a radius smaller than the + // boundingSphere of the boundingBox: sqrt(3) smaller in the best case + + var maxRadiusSq = 0; + + for ( var i = 0, il = position.count; i < il; i ++ ) { + + _vector$4.fromBufferAttribute( position, i ); + + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$4 ) ); + + } + + // process morph attributes if present + + if ( morphAttributesPosition ) { + + for ( var i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + + var morphAttribute = morphAttributesPosition[ i ]; + var morphTargetsRelative = this.morphTargetsRelative; + + for ( var j = 0, jl = morphAttribute.count; j < jl; j ++ ) { + + _vector$4.fromBufferAttribute( morphAttribute, j ); + + if ( morphTargetsRelative ) { + + _offset.fromBufferAttribute( position, j ); + _vector$4.add( _offset ); + + } + + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$4 ) ); + + } + + } + + } + + this.boundingSphere.radius = Math.sqrt( maxRadiusSq ); + + if ( isNaN( this.boundingSphere.radius ) ) { + + console.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this ); + + } + + } + + }, + + computeFaceNormals: function () { + + // backwards compatibility + + }, + + computeVertexNormals: function () { + + var index = this.index; + var attributes = this.attributes; + + if ( attributes.position ) { + + var positions = attributes.position.array; + + if ( attributes.normal === undefined ) { + + this.setAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) ); + + } else { + + // reset existing normals to zero + + var array = attributes.normal.array; + + for ( var i = 0, il = array.length; i < il; i ++ ) { + + array[ i ] = 0; + + } + + } + + var normals = attributes.normal.array; + + var vA, vB, vC; + var pA = new Vector3(), pB = new Vector3(), pC = new Vector3(); + var cb = new Vector3(), ab = new Vector3(); + + // indexed elements + + if ( index ) { + + var indices = index.array; + + for ( var i = 0, il = index.count; i < il; i += 3 ) { + + vA = indices[ i + 0 ] * 3; + vB = indices[ i + 1 ] * 3; + vC = indices[ i + 2 ] * 3; + + pA.fromArray( positions, vA ); + pB.fromArray( positions, vB ); + pC.fromArray( positions, vC ); + + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); + + normals[ vA ] += cb.x; + normals[ vA + 1 ] += cb.y; + normals[ vA + 2 ] += cb.z; + + normals[ vB ] += cb.x; + normals[ vB + 1 ] += cb.y; + normals[ vB + 2 ] += cb.z; + + normals[ vC ] += cb.x; + normals[ vC + 1 ] += cb.y; + normals[ vC + 2 ] += cb.z; + + } + + } else { + + // non-indexed elements (unconnected triangle soup) + + for ( var i = 0, il = positions.length; i < il; i += 9 ) { + + pA.fromArray( positions, i ); + pB.fromArray( positions, i + 3 ); + pC.fromArray( positions, i + 6 ); + + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); + + normals[ i ] = cb.x; + normals[ i + 1 ] = cb.y; + normals[ i + 2 ] = cb.z; + + normals[ i + 3 ] = cb.x; + normals[ i + 4 ] = cb.y; + normals[ i + 5 ] = cb.z; + + normals[ i + 6 ] = cb.x; + normals[ i + 7 ] = cb.y; + normals[ i + 8 ] = cb.z; + + } + + } + + this.normalizeNormals(); + + attributes.normal.needsUpdate = true; + + } + + }, + + merge: function ( geometry, offset ) { + + if ( ! ( geometry && geometry.isBufferGeometry ) ) { + + console.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry ); + return; + + } + + if ( offset === undefined ) { + + offset = 0; + + console.warn( + 'THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. ' + + 'Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge.' + ); + + } + + var attributes = this.attributes; + + for ( var key in attributes ) { + + if ( geometry.attributes[ key ] === undefined ) continue; + + var attribute1 = attributes[ key ]; + var attributeArray1 = attribute1.array; + + var attribute2 = geometry.attributes[ key ]; + var attributeArray2 = attribute2.array; + + var attributeOffset = attribute2.itemSize * offset; + var length = Math.min( attributeArray2.length, attributeArray1.length - attributeOffset ); + + for ( var i = 0, j = attributeOffset; i < length; i ++, j ++ ) { + + attributeArray1[ j ] = attributeArray2[ i ]; + + } + + } + + return this; + + }, + + normalizeNormals: function () { + + var normals = this.attributes.normal; + + for ( var i = 0, il = normals.count; i < il; i ++ ) { + + _vector$4.x = normals.getX( i ); + _vector$4.y = normals.getY( i ); + _vector$4.z = normals.getZ( i ); + + _vector$4.normalize(); + + normals.setXYZ( i, _vector$4.x, _vector$4.y, _vector$4.z ); + + } + + }, + + toNonIndexed: function () { + + function convertBufferAttribute( attribute, indices ) { + + var array = attribute.array; + var itemSize = attribute.itemSize; + + var array2 = new array.constructor( indices.length * itemSize ); + + var index = 0, index2 = 0; + + for ( var i = 0, l = indices.length; i < l; i ++ ) { + + index = indices[ i ] * itemSize; + + for ( var j = 0; j < itemSize; j ++ ) { + + array2[ index2 ++ ] = array[ index ++ ]; + + } + + } + + return new BufferAttribute( array2, itemSize ); + + } + + // + + if ( this.index === null ) { + + console.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' ); + return this; + + } + + var geometry2 = new BufferGeometry(); + + var indices = this.index.array; + var attributes = this.attributes; + + // attributes + + for ( var name in attributes ) { + + var attribute = attributes[ name ]; + + var newAttribute = convertBufferAttribute( attribute, indices ); + + geometry2.setAttribute( name, newAttribute ); + + } + + // morph attributes + + var morphAttributes = this.morphAttributes; + + for ( name in morphAttributes ) { + + var morphArray = []; + var morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes + + for ( var i = 0, il = morphAttribute.length; i < il; i ++ ) { + + var attribute = morphAttribute[ i ]; + + var newAttribute = convertBufferAttribute( attribute, indices ); + + morphArray.push( newAttribute ); + + } + + geometry2.morphAttributes[ name ] = morphArray; + + } + + geometry2.morphTargetsRelative = this.morphTargetsRelative; + + // groups + + var groups = this.groups; + + for ( var i = 0, l = groups.length; i < l; i ++ ) { + + var group = groups[ i ]; + geometry2.addGroup( group.start, group.count, group.materialIndex ); + + } + + return geometry2; + + }, + + toJSON: function () { + + var data = { + metadata: { + version: 4.5, + type: 'BufferGeometry', + generator: 'BufferGeometry.toJSON' + } + }; + + // standard BufferGeometry serialization + + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; + if ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData; + + if ( this.parameters !== undefined ) { + + var parameters = this.parameters; + + for ( var key in parameters ) { + + if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; + + } + + return data; + + } + + data.data = { attributes: {} }; + + var index = this.index; + + if ( index !== null ) { + + data.data.index = { + type: index.array.constructor.name, + array: Array.prototype.slice.call( index.array ) + }; + + } + + var attributes = this.attributes; + + for ( var key in attributes ) { + + var attribute = attributes[ key ]; + + var attributeData = attribute.toJSON(); + + if ( attribute.name !== '' ) attributeData.name = attribute.name; + + data.data.attributes[ key ] = attributeData; + + } + + var morphAttributes = {}; + var hasMorphAttributes = false; + + for ( var key in this.morphAttributes ) { + + var attributeArray = this.morphAttributes[ key ]; + + var array = []; + + for ( var i = 0, il = attributeArray.length; i < il; i ++ ) { + + var attribute = attributeArray[ i ]; + + var attributeData = attribute.toJSON(); + + if ( attribute.name !== '' ) attributeData.name = attribute.name; + + array.push( attributeData ); + + } + + if ( array.length > 0 ) { + + morphAttributes[ key ] = array; + + hasMorphAttributes = true; + + } + + } + + if ( hasMorphAttributes ) { + + data.data.morphAttributes = morphAttributes; + data.data.morphTargetsRelative = this.morphTargetsRelative; + + } + + var groups = this.groups; + + if ( groups.length > 0 ) { + + data.data.groups = JSON.parse( JSON.stringify( groups ) ); + + } + + var boundingSphere = this.boundingSphere; + + if ( boundingSphere !== null ) { + + data.data.boundingSphere = { + center: boundingSphere.center.toArray(), + radius: boundingSphere.radius + }; + + } + + return data; + + }, + + clone: function () { + + /* + // Handle primitives + + var parameters = this.parameters; + + if ( parameters !== undefined ) { + + var values = []; + + for ( var key in parameters ) { + + values.push( parameters[ key ] ); + + } + + var geometry = Object.create( this.constructor.prototype ); + this.constructor.apply( geometry, values ); + return geometry; + + } + + return new this.constructor().copy( this ); + */ + + return new BufferGeometry().copy( this ); + + }, + + copy: function ( source ) { + + var name, i, l; + + // reset + + this.index = null; + this.attributes = {}; + this.morphAttributes = {}; + this.groups = []; + this.boundingBox = null; + this.boundingSphere = null; + + // name + + this.name = source.name; + + // index + + var index = source.index; + + if ( index !== null ) { + + this.setIndex( index.clone() ); + + } + + // attributes + + var attributes = source.attributes; + + for ( name in attributes ) { + + var attribute = attributes[ name ]; + this.setAttribute( name, attribute.clone() ); + + } + + // morph attributes + + var morphAttributes = source.morphAttributes; + + for ( name in morphAttributes ) { + + var array = []; + var morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes + + for ( i = 0, l = morphAttribute.length; i < l; i ++ ) { + + array.push( morphAttribute[ i ].clone() ); + + } + + this.morphAttributes[ name ] = array; + + } + + this.morphTargetsRelative = source.morphTargetsRelative; + + // groups + + var groups = source.groups; + + for ( i = 0, l = groups.length; i < l; i ++ ) { + + var group = groups[ i ]; + this.addGroup( group.start, group.count, group.materialIndex ); + + } + + // bounding box + + var boundingBox = source.boundingBox; + + if ( boundingBox !== null ) { + + this.boundingBox = boundingBox.clone(); + + } + + // bounding sphere + + var boundingSphere = source.boundingSphere; + + if ( boundingSphere !== null ) { + + this.boundingSphere = boundingSphere.clone(); + + } + + // draw range + + this.drawRange.start = source.drawRange.start; + this.drawRange.count = source.drawRange.count; + + // user data + + this.userData = source.userData; + + return this; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author jonobr1 / http://jonobr1.com/ + */ + +var _inverseMatrix = new Matrix4(); +var _ray = new Ray(); +var _sphere = new Sphere(); + +var _vA = new Vector3(); +var _vB = new Vector3(); +var _vC = new Vector3(); + +var _tempA = new Vector3(); +var _tempB = new Vector3(); +var _tempC = new Vector3(); + +var _morphA = new Vector3(); +var _morphB = new Vector3(); +var _morphC = new Vector3(); + +var _uvA = new Vector2(); +var _uvB = new Vector2(); +var _uvC = new Vector2(); + +var _intersectionPoint = new Vector3(); +var _intersectionPointWorld = new Vector3(); + +function Mesh( geometry, material ) { + + Object3D.call( this ); + + this.type = 'Mesh'; + + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new MeshBasicMaterial(); + + this.updateMorphTargets(); + +} + +Mesh.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Mesh, + + isMesh: true, + + copy: function ( source ) { + + Object3D.prototype.copy.call( this, source ); + + if ( source.morphTargetInfluences !== undefined ) { + + this.morphTargetInfluences = source.morphTargetInfluences.slice(); + + } + + if ( source.morphTargetDictionary !== undefined ) { + + this.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary ); + + } + + return this; + + }, + + updateMorphTargets: function () { + + var geometry = this.geometry; + var m, ml, name; + + if ( geometry.isBufferGeometry ) { + + var morphAttributes = geometry.morphAttributes; + var keys = Object.keys( morphAttributes ); + + if ( keys.length > 0 ) { + + var morphAttribute = morphAttributes[ keys[ 0 ] ]; + + if ( morphAttribute !== undefined ) { + + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + + for ( m = 0, ml = morphAttribute.length; m < ml; m ++ ) { + + name = morphAttribute[ m ].name || String( m ); + + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ name ] = m; + + } + + } + + } + + } else { + + var morphTargets = geometry.morphTargets; + + if ( morphTargets !== undefined && morphTargets.length > 0 ) { + + console.error( 'THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' ); + + } + + } + + }, + + raycast: function ( raycaster, intersects ) { + + var geometry = this.geometry; + var material = this.material; + var matrixWorld = this.matrixWorld; + + if ( material === undefined ) return; + + // Checking boundingSphere distance to ray + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere.copy( geometry.boundingSphere ); + _sphere.applyMatrix4( matrixWorld ); + + if ( raycaster.ray.intersectsSphere( _sphere ) === false ) return; + + // + + _inverseMatrix.getInverse( matrixWorld ); + _ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix ); + + // Check boundingBox before continuing + + if ( geometry.boundingBox !== null ) { + + if ( _ray.intersectsBox( geometry.boundingBox ) === false ) return; + + } + + var intersection; + + if ( geometry.isBufferGeometry ) { + + var a, b, c; + var index = geometry.index; + var position = geometry.attributes.position; + var morphPosition = geometry.morphAttributes.position; + var morphTargetsRelative = geometry.morphTargetsRelative; + var uv = geometry.attributes.uv; + var uv2 = geometry.attributes.uv2; + var groups = geometry.groups; + var drawRange = geometry.drawRange; + var i, j, il, jl; + var group, groupMaterial; + var start, end; + + if ( index !== null ) { + + // indexed buffer geometry + + if ( Array.isArray( material ) ) { + + for ( i = 0, il = groups.length; i < il; i ++ ) { + + group = groups[ i ]; + groupMaterial = material[ group.materialIndex ]; + + start = Math.max( group.start, drawRange.start ); + end = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ); + + for ( j = start, jl = end; j < jl; j += 3 ) { + + a = index.getX( j ); + b = index.getX( j + 1 ); + c = index.getX( j + 2 ); + + intersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics + intersection.face.materialIndex = group.materialIndex; + intersects.push( intersection ); + + } + + } + + } + + } else { + + start = Math.max( 0, drawRange.start ); + end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); + + for ( i = start, il = end; i < il; i += 3 ) { + + a = index.getX( i ); + b = index.getX( i + 1 ); + c = index.getX( i + 2 ); + + intersection = checkBufferGeometryIntersection( this, material, raycaster, _ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics + intersects.push( intersection ); + + } + + } + + } + + } else if ( position !== undefined ) { + + // non-indexed buffer geometry + + if ( Array.isArray( material ) ) { + + for ( i = 0, il = groups.length; i < il; i ++ ) { + + group = groups[ i ]; + groupMaterial = material[ group.materialIndex ]; + + start = Math.max( group.start, drawRange.start ); + end = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ); + + for ( j = start, jl = end; j < jl; j += 3 ) { + + a = j; + b = j + 1; + c = j + 2; + + intersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics + intersection.face.materialIndex = group.materialIndex; + intersects.push( intersection ); + + } + + } + + } + + } else { + + start = Math.max( 0, drawRange.start ); + end = Math.min( position.count, ( drawRange.start + drawRange.count ) ); + + for ( i = start, il = end; i < il; i += 3 ) { + + a = i; + b = i + 1; + c = i + 2; + + intersection = checkBufferGeometryIntersection( this, material, raycaster, _ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics + intersects.push( intersection ); + + } + + } + + } + + } + + } else if ( geometry.isGeometry ) { + + var fvA, fvB, fvC; + var isMultiMaterial = Array.isArray( material ); + + var vertices = geometry.vertices; + var faces = geometry.faces; + var uvs; + + var faceVertexUvs = geometry.faceVertexUvs[ 0 ]; + if ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs; + + for ( var f = 0, fl = faces.length; f < fl; f ++ ) { + + var face = faces[ f ]; + var faceMaterial = isMultiMaterial ? material[ face.materialIndex ] : material; + + if ( faceMaterial === undefined ) continue; + + fvA = vertices[ face.a ]; + fvB = vertices[ face.b ]; + fvC = vertices[ face.c ]; + + intersection = checkIntersection( this, faceMaterial, raycaster, _ray, fvA, fvB, fvC, _intersectionPoint ); + + if ( intersection ) { + + if ( uvs && uvs[ f ] ) { + + var uvs_f = uvs[ f ]; + _uvA.copy( uvs_f[ 0 ] ); + _uvB.copy( uvs_f[ 1 ] ); + _uvC.copy( uvs_f[ 2 ] ); + + intersection.uv = Triangle.getUV( _intersectionPoint, fvA, fvB, fvC, _uvA, _uvB, _uvC, new Vector2() ); + + } + + intersection.face = face; + intersection.faceIndex = f; + intersects.push( intersection ); + + } + + } + + } + + }, + + clone: function () { + + return new this.constructor( this.geometry, this.material ).copy( this ); + + } + +} ); + +function checkIntersection( object, material, raycaster, ray, pA, pB, pC, point ) { + + var intersect; + + if ( material.side === BackSide ) { + + intersect = ray.intersectTriangle( pC, pB, pA, true, point ); + + } else { + + intersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point ); + + } + + if ( intersect === null ) return null; + + _intersectionPointWorld.copy( point ); + _intersectionPointWorld.applyMatrix4( object.matrixWorld ); + + var distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld ); + + if ( distance < raycaster.near || distance > raycaster.far ) return null; + + return { + distance: distance, + point: _intersectionPointWorld.clone(), + object: object + }; + +} + +function checkBufferGeometryIntersection( object, material, raycaster, ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ) { + + _vA.fromBufferAttribute( position, a ); + _vB.fromBufferAttribute( position, b ); + _vC.fromBufferAttribute( position, c ); + + var morphInfluences = object.morphTargetInfluences; + + if ( material.morphTargets && morphPosition && morphInfluences ) { + + _morphA.set( 0, 0, 0 ); + _morphB.set( 0, 0, 0 ); + _morphC.set( 0, 0, 0 ); + + for ( var i = 0, il = morphPosition.length; i < il; i ++ ) { + + var influence = morphInfluences[ i ]; + var morphAttribute = morphPosition[ i ]; + + if ( influence === 0 ) continue; + + _tempA.fromBufferAttribute( morphAttribute, a ); + _tempB.fromBufferAttribute( morphAttribute, b ); + _tempC.fromBufferAttribute( morphAttribute, c ); + + if ( morphTargetsRelative ) { + + _morphA.addScaledVector( _tempA, influence ); + _morphB.addScaledVector( _tempB, influence ); + _morphC.addScaledVector( _tempC, influence ); + + } else { + + _morphA.addScaledVector( _tempA.sub( _vA ), influence ); + _morphB.addScaledVector( _tempB.sub( _vB ), influence ); + _morphC.addScaledVector( _tempC.sub( _vC ), influence ); + + } + + } + + _vA.add( _morphA ); + _vB.add( _morphB ); + _vC.add( _morphC ); + + } + + var intersection = checkIntersection( object, material, raycaster, ray, _vA, _vB, _vC, _intersectionPoint ); + + if ( intersection ) { + + if ( uv ) { + + _uvA.fromBufferAttribute( uv, a ); + _uvB.fromBufferAttribute( uv, b ); + _uvC.fromBufferAttribute( uv, c ); + + intersection.uv = Triangle.getUV( _intersectionPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ); + + } + + if ( uv2 ) { + + _uvA.fromBufferAttribute( uv2, a ); + _uvB.fromBufferAttribute( uv2, b ); + _uvC.fromBufferAttribute( uv2, c ); + + intersection.uv2 = Triangle.getUV( _intersectionPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ); + + } + + var face = new Face3( a, b, c ); + Triangle.getNormal( _vA, _vB, _vC, face.normal ); + + intersection.face = face; + + } + + return intersection; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + * @author kile / http://kile.stravaganza.org/ + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author bhouston / http://clara.io + */ + +var _geometryId = 0; // Geometry uses even numbers as Id +var _m1$3 = new Matrix4(); +var _obj$1 = new Object3D(); +var _offset$1 = new Vector3(); + +function Geometry() { + + Object.defineProperty( this, 'id', { value: _geometryId += 2 } ); + + this.uuid = MathUtils.generateUUID(); + + this.name = ''; + this.type = 'Geometry'; + + this.vertices = []; + this.colors = []; + this.faces = []; + this.faceVertexUvs = [[]]; + + this.morphTargets = []; + this.morphNormals = []; + + this.skinWeights = []; + this.skinIndices = []; + + this.lineDistances = []; + + this.boundingBox = null; + this.boundingSphere = null; + + // update flags + + this.elementsNeedUpdate = false; + this.verticesNeedUpdate = false; + this.uvsNeedUpdate = false; + this.normalsNeedUpdate = false; + this.colorsNeedUpdate = false; + this.lineDistancesNeedUpdate = false; + this.groupsNeedUpdate = false; + +} + +Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { + + constructor: Geometry, + + isGeometry: true, + + applyMatrix4: function ( matrix ) { + + var normalMatrix = new Matrix3().getNormalMatrix( matrix ); + + for ( var i = 0, il = this.vertices.length; i < il; i ++ ) { + + var vertex = this.vertices[ i ]; + vertex.applyMatrix4( matrix ); + + } + + for ( var i = 0, il = this.faces.length; i < il; i ++ ) { + + var face = this.faces[ i ]; + face.normal.applyMatrix3( normalMatrix ).normalize(); + + for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { + + face.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize(); + + } + + } + + if ( this.boundingBox !== null ) { + + this.computeBoundingBox(); + + } + + if ( this.boundingSphere !== null ) { + + this.computeBoundingSphere(); + + } + + this.verticesNeedUpdate = true; + this.normalsNeedUpdate = true; + + return this; + + }, + + rotateX: function ( angle ) { + + // rotate geometry around world x-axis + + _m1$3.makeRotationX( angle ); + + this.applyMatrix4( _m1$3 ); + + return this; + + }, + + rotateY: function ( angle ) { + + // rotate geometry around world y-axis + + _m1$3.makeRotationY( angle ); + + this.applyMatrix4( _m1$3 ); + + return this; + + }, + + rotateZ: function ( angle ) { + + // rotate geometry around world z-axis + + _m1$3.makeRotationZ( angle ); + + this.applyMatrix4( _m1$3 ); + + return this; + + }, + + translate: function ( x, y, z ) { + + // translate geometry + + _m1$3.makeTranslation( x, y, z ); + + this.applyMatrix4( _m1$3 ); + + return this; + + }, + + scale: function ( x, y, z ) { + + // scale geometry + + _m1$3.makeScale( x, y, z ); + + this.applyMatrix4( _m1$3 ); + + return this; + + }, + + lookAt: function ( vector ) { + + _obj$1.lookAt( vector ); + + _obj$1.updateMatrix(); + + this.applyMatrix4( _obj$1.matrix ); + + return this; + + }, + + fromBufferGeometry: function ( geometry ) { + + var scope = this; + + var indices = geometry.index !== null ? geometry.index.array : undefined; + var attributes = geometry.attributes; + + if ( attributes.position === undefined ) { + + console.error( 'THREE.Geometry.fromBufferGeometry(): Position attribute required for conversion.' ); + return this; + + } + + var positions = attributes.position.array; + var normals = attributes.normal !== undefined ? attributes.normal.array : undefined; + var colors = attributes.color !== undefined ? attributes.color.array : undefined; + var uvs = attributes.uv !== undefined ? attributes.uv.array : undefined; + var uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined; + + if ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = []; + + for ( var i = 0; i < positions.length; i += 3 ) { + + scope.vertices.push( new Vector3().fromArray( positions, i ) ); + + if ( colors !== undefined ) { + + scope.colors.push( new Color().fromArray( colors, i ) ); + + } + + } + + function addFace( a, b, c, materialIndex ) { + + var vertexColors = ( colors === undefined ) ? [] : [ + scope.colors[ a ].clone(), + scope.colors[ b ].clone(), + scope.colors[ c ].clone() ]; + + var vertexNormals = ( normals === undefined ) ? [] : [ + new Vector3().fromArray( normals, a * 3 ), + new Vector3().fromArray( normals, b * 3 ), + new Vector3().fromArray( normals, c * 3 ) + ]; + + var face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex ); + + scope.faces.push( face ); + + if ( uvs !== undefined ) { + + scope.faceVertexUvs[ 0 ].push( [ + new Vector2().fromArray( uvs, a * 2 ), + new Vector2().fromArray( uvs, b * 2 ), + new Vector2().fromArray( uvs, c * 2 ) + ] ); + + } + + if ( uvs2 !== undefined ) { + + scope.faceVertexUvs[ 1 ].push( [ + new Vector2().fromArray( uvs2, a * 2 ), + new Vector2().fromArray( uvs2, b * 2 ), + new Vector2().fromArray( uvs2, c * 2 ) + ] ); + + } + + } + + var groups = geometry.groups; + + if ( groups.length > 0 ) { + + for ( var i = 0; i < groups.length; i ++ ) { + + var group = groups[ i ]; + + var start = group.start; + var count = group.count; + + for ( var j = start, jl = start + count; j < jl; j += 3 ) { + + if ( indices !== undefined ) { + + addFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex ); + + } else { + + addFace( j, j + 1, j + 2, group.materialIndex ); + + } + + } + + } + + } else { + + if ( indices !== undefined ) { + + for ( var i = 0; i < indices.length; i += 3 ) { + + addFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] ); + + } + + } else { + + for ( var i = 0; i < positions.length / 3; i += 3 ) { + + addFace( i, i + 1, i + 2 ); + + } + + } + + } + + this.computeFaceNormals(); + + if ( geometry.boundingBox !== null ) { + + this.boundingBox = geometry.boundingBox.clone(); + + } + + if ( geometry.boundingSphere !== null ) { + + this.boundingSphere = geometry.boundingSphere.clone(); + + } + + return this; + + }, + + center: function () { + + this.computeBoundingBox(); + + this.boundingBox.getCenter( _offset$1 ).negate(); + + this.translate( _offset$1.x, _offset$1.y, _offset$1.z ); + + return this; + + }, + + normalize: function () { + + this.computeBoundingSphere(); + + var center = this.boundingSphere.center; + var radius = this.boundingSphere.radius; + + var s = radius === 0 ? 1 : 1.0 / radius; + + var matrix = new Matrix4(); + matrix.set( + s, 0, 0, - s * center.x, + 0, s, 0, - s * center.y, + 0, 0, s, - s * center.z, + 0, 0, 0, 1 + ); + + this.applyMatrix4( matrix ); + + return this; + + }, + + computeFaceNormals: function () { + + var cb = new Vector3(), ab = new Vector3(); + + for ( var f = 0, fl = this.faces.length; f < fl; f ++ ) { + + var face = this.faces[ f ]; + + var vA = this.vertices[ face.a ]; + var vB = this.vertices[ face.b ]; + var vC = this.vertices[ face.c ]; + + cb.subVectors( vC, vB ); + ab.subVectors( vA, vB ); + cb.cross( ab ); + + cb.normalize(); + + face.normal.copy( cb ); + + } + + }, + + computeVertexNormals: function ( areaWeighted ) { + + if ( areaWeighted === undefined ) areaWeighted = true; + + var v, vl, f, fl, face, vertices; + + vertices = new Array( this.vertices.length ); + + for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { + + vertices[ v ] = new Vector3(); + + } + + if ( areaWeighted ) { + + // vertex normals weighted by triangle areas + // http://www.iquilezles.org/www/articles/normals/normals.htm + + var vA, vB, vC; + var cb = new Vector3(), ab = new Vector3(); + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + vA = this.vertices[ face.a ]; + vB = this.vertices[ face.b ]; + vC = this.vertices[ face.c ]; + + cb.subVectors( vC, vB ); + ab.subVectors( vA, vB ); + cb.cross( ab ); + + vertices[ face.a ].add( cb ); + vertices[ face.b ].add( cb ); + vertices[ face.c ].add( cb ); + + } + + } else { + + this.computeFaceNormals(); + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + vertices[ face.a ].add( face.normal ); + vertices[ face.b ].add( face.normal ); + vertices[ face.c ].add( face.normal ); + + } + + } + + for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { + + vertices[ v ].normalize(); + + } + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + var vertexNormals = face.vertexNormals; + + if ( vertexNormals.length === 3 ) { + + vertexNormals[ 0 ].copy( vertices[ face.a ] ); + vertexNormals[ 1 ].copy( vertices[ face.b ] ); + vertexNormals[ 2 ].copy( vertices[ face.c ] ); + + } else { + + vertexNormals[ 0 ] = vertices[ face.a ].clone(); + vertexNormals[ 1 ] = vertices[ face.b ].clone(); + vertexNormals[ 2 ] = vertices[ face.c ].clone(); + + } + + } + + if ( this.faces.length > 0 ) { + + this.normalsNeedUpdate = true; + + } + + }, + + computeFlatVertexNormals: function () { + + var f, fl, face; + + this.computeFaceNormals(); + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + var vertexNormals = face.vertexNormals; + + if ( vertexNormals.length === 3 ) { + + vertexNormals[ 0 ].copy( face.normal ); + vertexNormals[ 1 ].copy( face.normal ); + vertexNormals[ 2 ].copy( face.normal ); + + } else { + + vertexNormals[ 0 ] = face.normal.clone(); + vertexNormals[ 1 ] = face.normal.clone(); + vertexNormals[ 2 ] = face.normal.clone(); + + } + + } + + if ( this.faces.length > 0 ) { + + this.normalsNeedUpdate = true; + + } + + }, + + computeMorphNormals: function () { + + var i, il, f, fl, face; + + // save original normals + // - create temp variables on first access + // otherwise just copy (for faster repeated calls) + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + if ( ! face.__originalFaceNormal ) { + + face.__originalFaceNormal = face.normal.clone(); + + } else { + + face.__originalFaceNormal.copy( face.normal ); + + } + + if ( ! face.__originalVertexNormals ) face.__originalVertexNormals = []; + + for ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) { + + if ( ! face.__originalVertexNormals[ i ] ) { + + face.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone(); + + } else { + + face.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] ); + + } + + } + + } + + // use temp geometry to compute face and vertex normals for each morph + + var tmpGeo = new Geometry(); + tmpGeo.faces = this.faces; + + for ( i = 0, il = this.morphTargets.length; i < il; i ++ ) { + + // create on first access + + if ( ! this.morphNormals[ i ] ) { + + this.morphNormals[ i ] = {}; + this.morphNormals[ i ].faceNormals = []; + this.morphNormals[ i ].vertexNormals = []; + + var dstNormalsFace = this.morphNormals[ i ].faceNormals; + var dstNormalsVertex = this.morphNormals[ i ].vertexNormals; + + var faceNormal, vertexNormals; + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + faceNormal = new Vector3(); + vertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() }; + + dstNormalsFace.push( faceNormal ); + dstNormalsVertex.push( vertexNormals ); + + } + + } + + var morphNormals = this.morphNormals[ i ]; + + // set vertices to morph target + + tmpGeo.vertices = this.morphTargets[ i ].vertices; + + // compute morph normals + + tmpGeo.computeFaceNormals(); + tmpGeo.computeVertexNormals(); + + // store morph normals + + var faceNormal, vertexNormals; + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + faceNormal = morphNormals.faceNormals[ f ]; + vertexNormals = morphNormals.vertexNormals[ f ]; + + faceNormal.copy( face.normal ); + + vertexNormals.a.copy( face.vertexNormals[ 0 ] ); + vertexNormals.b.copy( face.vertexNormals[ 1 ] ); + vertexNormals.c.copy( face.vertexNormals[ 2 ] ); + + } + + } + + // restore original normals + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + face.normal = face.__originalFaceNormal; + face.vertexNormals = face.__originalVertexNormals; + + } + + }, + + computeBoundingBox: function () { + + if ( this.boundingBox === null ) { + + this.boundingBox = new Box3(); + + } + + this.boundingBox.setFromPoints( this.vertices ); + + }, + + computeBoundingSphere: function () { + + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + this.boundingSphere.setFromPoints( this.vertices ); + + }, + + merge: function ( geometry, matrix, materialIndexOffset ) { + + if ( ! ( geometry && geometry.isGeometry ) ) { + + console.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry ); + return; + + } + + var normalMatrix, + vertexOffset = this.vertices.length, + vertices1 = this.vertices, + vertices2 = geometry.vertices, + faces1 = this.faces, + faces2 = geometry.faces, + colors1 = this.colors, + colors2 = geometry.colors; + + if ( materialIndexOffset === undefined ) materialIndexOffset = 0; + + if ( matrix !== undefined ) { + + normalMatrix = new Matrix3().getNormalMatrix( matrix ); + + } + + // vertices + + for ( var i = 0, il = vertices2.length; i < il; i ++ ) { + + var vertex = vertices2[ i ]; + + var vertexCopy = vertex.clone(); + + if ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix ); + + vertices1.push( vertexCopy ); + + } + + // colors + + for ( var i = 0, il = colors2.length; i < il; i ++ ) { + + colors1.push( colors2[ i ].clone() ); + + } + + // faces + + for ( i = 0, il = faces2.length; i < il; i ++ ) { + + var face = faces2[ i ], faceCopy, normal, color, + faceVertexNormals = face.vertexNormals, + faceVertexColors = face.vertexColors; + + faceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset ); + faceCopy.normal.copy( face.normal ); + + if ( normalMatrix !== undefined ) { + + faceCopy.normal.applyMatrix3( normalMatrix ).normalize(); + + } + + for ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) { + + normal = faceVertexNormals[ j ].clone(); + + if ( normalMatrix !== undefined ) { + + normal.applyMatrix3( normalMatrix ).normalize(); + + } + + faceCopy.vertexNormals.push( normal ); + + } + + faceCopy.color.copy( face.color ); + + for ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) { + + color = faceVertexColors[ j ]; + faceCopy.vertexColors.push( color.clone() ); + + } + + faceCopy.materialIndex = face.materialIndex + materialIndexOffset; + + faces1.push( faceCopy ); + + } + + // uvs + + for ( var i = 0, il = geometry.faceVertexUvs.length; i < il; i ++ ) { + + var faceVertexUvs2 = geometry.faceVertexUvs[ i ]; + + if ( this.faceVertexUvs[ i ] === undefined ) this.faceVertexUvs[ i ] = []; + + for ( var j = 0, jl = faceVertexUvs2.length; j < jl; j ++ ) { + + var uvs2 = faceVertexUvs2[ j ], uvsCopy = []; + + for ( var k = 0, kl = uvs2.length; k < kl; k ++ ) { + + uvsCopy.push( uvs2[ k ].clone() ); + + } + + this.faceVertexUvs[ i ].push( uvsCopy ); + + } + + } + + }, + + mergeMesh: function ( mesh ) { + + if ( ! ( mesh && mesh.isMesh ) ) { + + console.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh ); + return; + + } + + if ( mesh.matrixAutoUpdate ) mesh.updateMatrix(); + + this.merge( mesh.geometry, mesh.matrix ); + + }, + + /* + * Checks for duplicate vertices with hashmap. + * Duplicated vertices are removed + * and faces' vertices are updated. + */ + + mergeVertices: function () { + + var verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique) + var unique = [], changes = []; + + var v, key; + var precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001 + var precision = Math.pow( 10, precisionPoints ); + var i, il, face; + var indices, j, jl; + + for ( i = 0, il = this.vertices.length; i < il; i ++ ) { + + v = this.vertices[ i ]; + key = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision ); + + if ( verticesMap[ key ] === undefined ) { + + verticesMap[ key ] = i; + unique.push( this.vertices[ i ] ); + changes[ i ] = unique.length - 1; + + } else { + + //console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]); + changes[ i ] = changes[ verticesMap[ key ] ]; + + } + + } + + + // if faces are completely degenerate after merging vertices, we + // have to remove them from the geometry. + var faceIndicesToRemove = []; + + for ( i = 0, il = this.faces.length; i < il; i ++ ) { + + face = this.faces[ i ]; + + face.a = changes[ face.a ]; + face.b = changes[ face.b ]; + face.c = changes[ face.c ]; + + indices = [ face.a, face.b, face.c ]; + + // if any duplicate vertices are found in a Face3 + // we have to remove the face as nothing can be saved + for ( var n = 0; n < 3; n ++ ) { + + if ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) { + + faceIndicesToRemove.push( i ); + break; + + } + + } + + } + + for ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) { + + var idx = faceIndicesToRemove[ i ]; + + this.faces.splice( idx, 1 ); + + for ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) { + + this.faceVertexUvs[ j ].splice( idx, 1 ); + + } + + } + + // Use unique set of vertices + + var diff = this.vertices.length - unique.length; + this.vertices = unique; + return diff; + + }, + + setFromPoints: function ( points ) { + + this.vertices = []; + + for ( var i = 0, l = points.length; i < l; i ++ ) { + + var point = points[ i ]; + this.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) ); + + } + + return this; + + }, + + sortFacesByMaterialIndex: function () { + + var faces = this.faces; + var length = faces.length; + + // tag faces + + for ( var i = 0; i < length; i ++ ) { + + faces[ i ]._id = i; + + } + + // sort faces + + function materialIndexSort( a, b ) { + + return a.materialIndex - b.materialIndex; + + } + + faces.sort( materialIndexSort ); + + // sort uvs + + var uvs1 = this.faceVertexUvs[ 0 ]; + var uvs2 = this.faceVertexUvs[ 1 ]; + + var newUvs1, newUvs2; + + if ( uvs1 && uvs1.length === length ) newUvs1 = []; + if ( uvs2 && uvs2.length === length ) newUvs2 = []; + + for ( var i = 0; i < length; i ++ ) { + + var id = faces[ i ]._id; + + if ( newUvs1 ) newUvs1.push( uvs1[ id ] ); + if ( newUvs2 ) newUvs2.push( uvs2[ id ] ); + + } + + if ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1; + if ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2; + + }, + + toJSON: function () { + + var data = { + metadata: { + version: 4.5, + type: 'Geometry', + generator: 'Geometry.toJSON' + } + }; + + // standard Geometry serialization + + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; + + if ( this.parameters !== undefined ) { + + var parameters = this.parameters; + + for ( var key in parameters ) { + + if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; + + } + + return data; + + } + + var vertices = []; + + for ( var i = 0; i < this.vertices.length; i ++ ) { + + var vertex = this.vertices[ i ]; + vertices.push( vertex.x, vertex.y, vertex.z ); + + } + + var faces = []; + var normals = []; + var normalsHash = {}; + var colors = []; + var colorsHash = {}; + var uvs = []; + var uvsHash = {}; + + for ( var i = 0; i < this.faces.length; i ++ ) { + + var face = this.faces[ i ]; + + var hasMaterial = true; + var hasFaceUv = false; // deprecated + var hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined; + var hasFaceNormal = face.normal.length() > 0; + var hasFaceVertexNormal = face.vertexNormals.length > 0; + var hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1; + var hasFaceVertexColor = face.vertexColors.length > 0; + + var faceType = 0; + + faceType = setBit( faceType, 0, 0 ); // isQuad + faceType = setBit( faceType, 1, hasMaterial ); + faceType = setBit( faceType, 2, hasFaceUv ); + faceType = setBit( faceType, 3, hasFaceVertexUv ); + faceType = setBit( faceType, 4, hasFaceNormal ); + faceType = setBit( faceType, 5, hasFaceVertexNormal ); + faceType = setBit( faceType, 6, hasFaceColor ); + faceType = setBit( faceType, 7, hasFaceVertexColor ); + + faces.push( faceType ); + faces.push( face.a, face.b, face.c ); + faces.push( face.materialIndex ); + + if ( hasFaceVertexUv ) { + + var faceVertexUvs = this.faceVertexUvs[ 0 ][ i ]; + + faces.push( + getUvIndex( faceVertexUvs[ 0 ] ), + getUvIndex( faceVertexUvs[ 1 ] ), + getUvIndex( faceVertexUvs[ 2 ] ) + ); + + } + + if ( hasFaceNormal ) { + + faces.push( getNormalIndex( face.normal ) ); + + } + + if ( hasFaceVertexNormal ) { + + var vertexNormals = face.vertexNormals; + + faces.push( + getNormalIndex( vertexNormals[ 0 ] ), + getNormalIndex( vertexNormals[ 1 ] ), + getNormalIndex( vertexNormals[ 2 ] ) + ); + + } + + if ( hasFaceColor ) { + + faces.push( getColorIndex( face.color ) ); + + } + + if ( hasFaceVertexColor ) { + + var vertexColors = face.vertexColors; + + faces.push( + getColorIndex( vertexColors[ 0 ] ), + getColorIndex( vertexColors[ 1 ] ), + getColorIndex( vertexColors[ 2 ] ) + ); + + } + + } + + function setBit( value, position, enabled ) { + + return enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) ); + + } + + function getNormalIndex( normal ) { + + var hash = normal.x.toString() + normal.y.toString() + normal.z.toString(); + + if ( normalsHash[ hash ] !== undefined ) { + + return normalsHash[ hash ]; + + } + + normalsHash[ hash ] = normals.length / 3; + normals.push( normal.x, normal.y, normal.z ); + + return normalsHash[ hash ]; + + } + + function getColorIndex( color ) { + + var hash = color.r.toString() + color.g.toString() + color.b.toString(); + + if ( colorsHash[ hash ] !== undefined ) { + + return colorsHash[ hash ]; + + } + + colorsHash[ hash ] = colors.length; + colors.push( color.getHex() ); + + return colorsHash[ hash ]; + + } + + function getUvIndex( uv ) { + + var hash = uv.x.toString() + uv.y.toString(); + + if ( uvsHash[ hash ] !== undefined ) { + + return uvsHash[ hash ]; + + } + + uvsHash[ hash ] = uvs.length / 2; + uvs.push( uv.x, uv.y ); + + return uvsHash[ hash ]; + + } + + data.data = {}; + + data.data.vertices = vertices; + data.data.normals = normals; + if ( colors.length > 0 ) data.data.colors = colors; + if ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility + data.data.faces = faces; + + return data; + + }, + + clone: function () { + + /* + // Handle primitives + + var parameters = this.parameters; + + if ( parameters !== undefined ) { + + var values = []; + + for ( var key in parameters ) { + + values.push( parameters[ key ] ); + + } + + var geometry = Object.create( this.constructor.prototype ); + this.constructor.apply( geometry, values ); + return geometry; + + } + + return new this.constructor().copy( this ); + */ + + return new Geometry().copy( this ); + + }, + + copy: function ( source ) { + + var i, il, j, jl, k, kl; + + // reset + + this.vertices = []; + this.colors = []; + this.faces = []; + this.faceVertexUvs = [[]]; + this.morphTargets = []; + this.morphNormals = []; + this.skinWeights = []; + this.skinIndices = []; + this.lineDistances = []; + this.boundingBox = null; + this.boundingSphere = null; + + // name + + this.name = source.name; + + // vertices + + var vertices = source.vertices; + + for ( i = 0, il = vertices.length; i < il; i ++ ) { + + this.vertices.push( vertices[ i ].clone() ); + + } + + // colors + + var colors = source.colors; + + for ( i = 0, il = colors.length; i < il; i ++ ) { + + this.colors.push( colors[ i ].clone() ); + + } + + // faces + + var faces = source.faces; + + for ( i = 0, il = faces.length; i < il; i ++ ) { + + this.faces.push( faces[ i ].clone() ); + + } + + // face vertex uvs + + for ( i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) { + + var faceVertexUvs = source.faceVertexUvs[ i ]; + + if ( this.faceVertexUvs[ i ] === undefined ) { + + this.faceVertexUvs[ i ] = []; + + } + + for ( j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) { + + var uvs = faceVertexUvs[ j ], uvsCopy = []; + + for ( k = 0, kl = uvs.length; k < kl; k ++ ) { + + var uv = uvs[ k ]; + + uvsCopy.push( uv.clone() ); + + } + + this.faceVertexUvs[ i ].push( uvsCopy ); + + } + + } + + // morph targets + + var morphTargets = source.morphTargets; + + for ( i = 0, il = morphTargets.length; i < il; i ++ ) { + + var morphTarget = {}; + morphTarget.name = morphTargets[ i ].name; + + // vertices + + if ( morphTargets[ i ].vertices !== undefined ) { + + morphTarget.vertices = []; + + for ( j = 0, jl = morphTargets[ i ].vertices.length; j < jl; j ++ ) { + + morphTarget.vertices.push( morphTargets[ i ].vertices[ j ].clone() ); + + } + + } + + // normals + + if ( morphTargets[ i ].normals !== undefined ) { + + morphTarget.normals = []; + + for ( j = 0, jl = morphTargets[ i ].normals.length; j < jl; j ++ ) { + + morphTarget.normals.push( morphTargets[ i ].normals[ j ].clone() ); + + } + + } + + this.morphTargets.push( morphTarget ); + + } + + // morph normals + + var morphNormals = source.morphNormals; + + for ( i = 0, il = morphNormals.length; i < il; i ++ ) { + + var morphNormal = {}; + + // vertex normals + + if ( morphNormals[ i ].vertexNormals !== undefined ) { + + morphNormal.vertexNormals = []; + + for ( j = 0, jl = morphNormals[ i ].vertexNormals.length; j < jl; j ++ ) { + + var srcVertexNormal = morphNormals[ i ].vertexNormals[ j ]; + var destVertexNormal = {}; + + destVertexNormal.a = srcVertexNormal.a.clone(); + destVertexNormal.b = srcVertexNormal.b.clone(); + destVertexNormal.c = srcVertexNormal.c.clone(); + + morphNormal.vertexNormals.push( destVertexNormal ); + + } + + } + + // face normals + + if ( morphNormals[ i ].faceNormals !== undefined ) { + + morphNormal.faceNormals = []; + + for ( j = 0, jl = morphNormals[ i ].faceNormals.length; j < jl; j ++ ) { + + morphNormal.faceNormals.push( morphNormals[ i ].faceNormals[ j ].clone() ); + + } + + } + + this.morphNormals.push( morphNormal ); + + } + + // skin weights + + var skinWeights = source.skinWeights; + + for ( i = 0, il = skinWeights.length; i < il; i ++ ) { + + this.skinWeights.push( skinWeights[ i ].clone() ); + + } + + // skin indices + + var skinIndices = source.skinIndices; + + for ( i = 0, il = skinIndices.length; i < il; i ++ ) { + + this.skinIndices.push( skinIndices[ i ].clone() ); + + } + + // line distances + + var lineDistances = source.lineDistances; + + for ( i = 0, il = lineDistances.length; i < il; i ++ ) { + + this.lineDistances.push( lineDistances[ i ] ); + + } + + // bounding box + + var boundingBox = source.boundingBox; + + if ( boundingBox !== null ) { + + this.boundingBox = boundingBox.clone(); + + } + + // bounding sphere + + var boundingSphere = source.boundingSphere; + + if ( boundingSphere !== null ) { + + this.boundingSphere = boundingSphere.clone(); + + } + + // update flags + + this.elementsNeedUpdate = source.elementsNeedUpdate; + this.verticesNeedUpdate = source.verticesNeedUpdate; + this.uvsNeedUpdate = source.uvsNeedUpdate; + this.normalsNeedUpdate = source.normalsNeedUpdate; + this.colorsNeedUpdate = source.colorsNeedUpdate; + this.lineDistancesNeedUpdate = source.lineDistancesNeedUpdate; + this.groupsNeedUpdate = source.groupsNeedUpdate; + + return this; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author Mugen87 / https://github.com/Mugen87 + */ + +// BoxGeometry + +class BoxGeometry extends Geometry { + + constructor( width, height, depth, widthSegments, heightSegments, depthSegments ) { + + super(); + + this.type = 'BoxGeometry'; + + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; + + this.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) ); + this.mergeVertices(); + + } + +} + +// BoxBufferGeometry + +class BoxBufferGeometry extends BufferGeometry { + + constructor( width, height, depth, widthSegments, heightSegments, depthSegments ) { + + super(); + + this.type = 'BoxBufferGeometry'; + + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; + + var scope = this; + + width = width || 1; + height = height || 1; + depth = depth || 1; + + // segments + + widthSegments = Math.floor( widthSegments ) || 1; + heightSegments = Math.floor( heightSegments ) || 1; + depthSegments = Math.floor( depthSegments ) || 1; + + // buffers + + var indices = []; + var vertices = []; + var normals = []; + var uvs = []; + + // helper variables + + var numberOfVertices = 0; + var groupStart = 0; + + // build each side of the box geometry + + buildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px + buildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx + buildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py + buildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny + buildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz + buildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + function buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) { + + var segmentWidth = width / gridX; + var segmentHeight = height / gridY; + + var widthHalf = width / 2; + var heightHalf = height / 2; + var depthHalf = depth / 2; + + var gridX1 = gridX + 1; + var gridY1 = gridY + 1; + + var vertexCounter = 0; + var groupCount = 0; + + var ix, iy; + + var vector = new Vector3(); + + // generate vertices, normals and uvs + + for ( iy = 0; iy < gridY1; iy ++ ) { + + var y = iy * segmentHeight - heightHalf; + + for ( ix = 0; ix < gridX1; ix ++ ) { + + var x = ix * segmentWidth - widthHalf; + + // set values to correct vector component + + vector[ u ] = x * udir; + vector[ v ] = y * vdir; + vector[ w ] = depthHalf; + + // now apply vector to vertex buffer + + vertices.push( vector.x, vector.y, vector.z ); + + // set values to correct vector component + + vector[ u ] = 0; + vector[ v ] = 0; + vector[ w ] = depth > 0 ? 1 : - 1; + + // now apply vector to normal buffer + + normals.push( vector.x, vector.y, vector.z ); + + // uvs + + uvs.push( ix / gridX ); + uvs.push( 1 - ( iy / gridY ) ); + + // counters + + vertexCounter += 1; + + } + + } + + // indices + + // 1. you need three indices to draw a single face + // 2. a single segment consists of two faces + // 3. so we need to generate six (2*3) indices per segment + + for ( iy = 0; iy < gridY; iy ++ ) { + + for ( ix = 0; ix < gridX; ix ++ ) { + + var a = numberOfVertices + ix + gridX1 * iy; + var b = numberOfVertices + ix + gridX1 * ( iy + 1 ); + var c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 ); + var d = numberOfVertices + ( ix + 1 ) + gridX1 * iy; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + // increase counter + + groupCount += 6; + + } + + } + + // add a group to the geometry. this will ensure multi material support + + scope.addGroup( groupStart, groupCount, materialIndex ); + + // calculate new start value for groups + + groupStart += groupCount; + + // update total number of vertices + + numberOfVertices += vertexCounter; + + } + + } + +} + +/** + * Uniform Utilities + */ + +function cloneUniforms( src ) { + + var dst = {}; + + for ( var u in src ) { + + dst[ u ] = {}; + + for ( var p in src[ u ] ) { + + var property = src[ u ][ p ]; + + if ( property && ( property.isColor || + property.isMatrix3 || property.isMatrix4 || + property.isVector2 || property.isVector3 || property.isVector4 || + property.isTexture ) ) { + + dst[ u ][ p ] = property.clone(); + + } else if ( Array.isArray( property ) ) { + + dst[ u ][ p ] = property.slice(); + + } else { + + dst[ u ][ p ] = property; + + } + + } + + } + + return dst; + +} + +function mergeUniforms( uniforms ) { + + var merged = {}; + + for ( var u = 0; u < uniforms.length; u ++ ) { + + var tmp = cloneUniforms( uniforms[ u ] ); + + for ( var p in tmp ) { + + merged[ p ] = tmp[ p ]; + + } + + } + + return merged; + +} + +// Legacy + +var UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms }; + +var default_vertex = "void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}"; + +var default_fragment = "void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}"; + +/** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * defines: { "label" : "value" }, + * uniforms: { "parameter1": { value: 1.0 }, "parameter2": { value2: 2 } }, + * + * fragmentShader: , + * vertexShader: , + * + * wireframe: , + * wireframeLinewidth: , + * + * lights: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ + +function ShaderMaterial( parameters ) { + + Material.call( this ); + + this.type = 'ShaderMaterial'; + + this.defines = {}; + this.uniforms = {}; + + this.vertexShader = default_vertex; + this.fragmentShader = default_fragment; + + this.linewidth = 1; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.fog = false; // set to use scene fog + this.lights = false; // set to use scene lights + this.clipping = false; // set to use user-defined clipping planes + + this.skinning = false; // set to use skinning attribute streams + this.morphTargets = false; // set to use morph targets + this.morphNormals = false; // set to use morph normals + + this.extensions = { + derivatives: false, // set to use derivatives + fragDepth: false, // set to use fragment depth values + drawBuffers: false, // set to use draw buffers + shaderTextureLOD: false // set to use shader texture LOD + }; + + // When rendered geometry doesn't include these attributes but the material does, + // use these default values in WebGL. This avoids errors when buffer data is missing. + this.defaultAttributeValues = { + 'color': [ 1, 1, 1 ], + 'uv': [ 0, 0 ], + 'uv2': [ 0, 0 ] + }; + + this.index0AttributeName = undefined; + this.uniformsNeedUpdate = false; + + if ( parameters !== undefined ) { + + if ( parameters.attributes !== undefined ) { + + console.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' ); + + } + + this.setValues( parameters ); + + } + +} + +ShaderMaterial.prototype = Object.create( Material.prototype ); +ShaderMaterial.prototype.constructor = ShaderMaterial; + +ShaderMaterial.prototype.isShaderMaterial = true; + +ShaderMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.fragmentShader = source.fragmentShader; + this.vertexShader = source.vertexShader; + + this.uniforms = cloneUniforms( source.uniforms ); + + this.defines = Object.assign( {}, source.defines ); + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + this.lights = source.lights; + this.clipping = source.clipping; + + this.skinning = source.skinning; + + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; + + this.extensions = source.extensions; + + return this; + +}; + +ShaderMaterial.prototype.toJSON = function ( meta ) { + + var data = Material.prototype.toJSON.call( this, meta ); + + data.uniforms = {}; + + for ( var name in this.uniforms ) { + + var uniform = this.uniforms[ name ]; + var value = uniform.value; + + if ( value && value.isTexture ) { + + data.uniforms[ name ] = { + type: 't', + value: value.toJSON( meta ).uuid + }; + + } else if ( value && value.isColor ) { + + data.uniforms[ name ] = { + type: 'c', + value: value.getHex() + }; + + } else if ( value && value.isVector2 ) { + + data.uniforms[ name ] = { + type: 'v2', + value: value.toArray() + }; + + } else if ( value && value.isVector3 ) { + + data.uniforms[ name ] = { + type: 'v3', + value: value.toArray() + }; + + } else if ( value && value.isVector4 ) { + + data.uniforms[ name ] = { + type: 'v4', + value: value.toArray() + }; + + } else if ( value && value.isMatrix3 ) { + + data.uniforms[ name ] = { + type: 'm3', + value: value.toArray() + }; + + } else if ( value && value.isMatrix4 ) { + + data.uniforms[ name ] = { + type: 'm4', + value: value.toArray() + }; + + } else { + + data.uniforms[ name ] = { + value: value + }; + + // note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far + + } + + } + + if ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines; + + data.vertexShader = this.vertexShader; + data.fragmentShader = this.fragmentShader; + + var extensions = {}; + + for ( var key in this.extensions ) { + + if ( this.extensions[ key ] === true ) extensions[ key ] = true; + + } + + if ( Object.keys( extensions ).length > 0 ) data.extensions = extensions; + + return data; + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + * @author WestLangley / http://github.com/WestLangley +*/ + +function Camera() { + + Object3D.call( this ); + + this.type = 'Camera'; + + this.matrixWorldInverse = new Matrix4(); + + this.projectionMatrix = new Matrix4(); + this.projectionMatrixInverse = new Matrix4(); + +} + +Camera.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Camera, + + isCamera: true, + + copy: function ( source, recursive ) { + + Object3D.prototype.copy.call( this, source, recursive ); + + this.matrixWorldInverse.copy( source.matrixWorldInverse ); + + this.projectionMatrix.copy( source.projectionMatrix ); + this.projectionMatrixInverse.copy( source.projectionMatrixInverse ); + + return this; + + }, + + getWorldDirection: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Camera: .getWorldDirection() target is now required' ); + target = new Vector3(); + + } + + this.updateMatrixWorld( true ); + + var e = this.matrixWorld.elements; + + return target.set( - e[ 8 ], - e[ 9 ], - e[ 10 ] ).normalize(); + + }, + + updateMatrixWorld: function ( force ) { + + Object3D.prototype.updateMatrixWorld.call( this, force ); + + this.matrixWorldInverse.getInverse( this.matrixWorld ); + + }, + + updateWorldMatrix: function ( updateParents, updateChildren ) { + + Object3D.prototype.updateWorldMatrix.call( this, updateParents, updateChildren ); + + this.matrixWorldInverse.getInverse( this.matrixWorld ); + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author greggman / http://games.greggman.com/ + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author tschw + */ + +function PerspectiveCamera( fov, aspect, near, far ) { + + Camera.call( this ); + + this.type = 'PerspectiveCamera'; + + this.fov = fov !== undefined ? fov : 50; + this.zoom = 1; + + this.near = near !== undefined ? near : 0.1; + this.far = far !== undefined ? far : 2000; + this.focus = 10; + + this.aspect = aspect !== undefined ? aspect : 1; + this.view = null; + + this.filmGauge = 35; // width of the film (default in millimeters) + this.filmOffset = 0; // horizontal film offset (same unit as gauge) + + this.updateProjectionMatrix(); + +} + +PerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), { + + constructor: PerspectiveCamera, + + isPerspectiveCamera: true, + + copy: function ( source, recursive ) { + + Camera.prototype.copy.call( this, source, recursive ); + + this.fov = source.fov; + this.zoom = source.zoom; + + this.near = source.near; + this.far = source.far; + this.focus = source.focus; + + this.aspect = source.aspect; + this.view = source.view === null ? null : Object.assign( {}, source.view ); + + this.filmGauge = source.filmGauge; + this.filmOffset = source.filmOffset; + + return this; + + }, + + /** + * Sets the FOV by focal length in respect to the current .filmGauge. + * + * The default film gauge is 35, so that the focal length can be specified for + * a 35mm (full frame) camera. + * + * Values for focal length and film gauge must have the same unit. + */ + setFocalLength: function ( focalLength ) { + + // see http://www.bobatkins.com/photography/technical/field_of_view.html + var vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; + + this.fov = MathUtils.RAD2DEG * 2 * Math.atan( vExtentSlope ); + this.updateProjectionMatrix(); + + }, + + /** + * Calculates the focal length from the current .fov and .filmGauge. + */ + getFocalLength: function () { + + var vExtentSlope = Math.tan( MathUtils.DEG2RAD * 0.5 * this.fov ); + + return 0.5 * this.getFilmHeight() / vExtentSlope; + + }, + + getEffectiveFOV: function () { + + return MathUtils.RAD2DEG * 2 * Math.atan( + Math.tan( MathUtils.DEG2RAD * 0.5 * this.fov ) / this.zoom ); + + }, + + getFilmWidth: function () { + + // film not completely covered in portrait format (aspect < 1) + return this.filmGauge * Math.min( this.aspect, 1 ); + + }, + + getFilmHeight: function () { + + // film not completely covered in landscape format (aspect > 1) + return this.filmGauge / Math.max( this.aspect, 1 ); + + }, + + /** + * Sets an offset in a larger frustum. This is useful for multi-window or + * multi-monitor/multi-machine setups. + * + * For example, if you have 3x2 monitors and each monitor is 1920x1080 and + * the monitors are in grid like this + * + * +---+---+---+ + * | A | B | C | + * +---+---+---+ + * | D | E | F | + * +---+---+---+ + * + * then for each monitor you would call it like this + * + * var w = 1920; + * var h = 1080; + * var fullWidth = w * 3; + * var fullHeight = h * 2; + * + * --A-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); + * --B-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); + * --C-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); + * --D-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); + * --E-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); + * --F-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); + * + * Note there is no reason monitors have to be the same size or in a grid. + */ + setViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) { + + this.aspect = fullWidth / fullHeight; + + if ( this.view === null ) { + + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + + } + + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + + this.updateProjectionMatrix(); + + }, + + clearViewOffset: function () { + + if ( this.view !== null ) { + + this.view.enabled = false; + + } + + this.updateProjectionMatrix(); + + }, + + updateProjectionMatrix: function () { + + var near = this.near, + top = near * Math.tan( MathUtils.DEG2RAD * 0.5 * this.fov ) / this.zoom, + height = 2 * top, + width = this.aspect * height, + left = - 0.5 * width, + view = this.view; + + if ( this.view !== null && this.view.enabled ) { + + var fullWidth = view.fullWidth, + fullHeight = view.fullHeight; + + left += view.offsetX * width / fullWidth; + top -= view.offsetY * height / fullHeight; + width *= view.width / fullWidth; + height *= view.height / fullHeight; + + } + + var skew = this.filmOffset; + if ( skew !== 0 ) left += near * skew / this.getFilmWidth(); + + this.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far ); + + this.projectionMatrixInverse.getInverse( this.projectionMatrix ); + + }, + + toJSON: function ( meta ) { + + var data = Object3D.prototype.toJSON.call( this, meta ); + + data.object.fov = this.fov; + data.object.zoom = this.zoom; + + data.object.near = this.near; + data.object.far = this.far; + data.object.focus = this.focus; + + data.object.aspect = this.aspect; + + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + + data.object.filmGauge = this.filmGauge; + data.object.filmOffset = this.filmOffset; + + return data; + + } + +} ); + +/** + * Camera for rendering cube maps + * - renders scene into axis-aligned cube + * + * @author alteredq / http://alteredqualia.com/ + */ + +var fov = 90, aspect = 1; + +function CubeCamera( near, far, cubeResolution, options ) { + + Object3D.call( this ); + + this.type = 'CubeCamera'; + + var cameraPX = new PerspectiveCamera( fov, aspect, near, far ); + cameraPX.up.set( 0, - 1, 0 ); + cameraPX.lookAt( new Vector3( 1, 0, 0 ) ); + this.add( cameraPX ); + + var cameraNX = new PerspectiveCamera( fov, aspect, near, far ); + cameraNX.up.set( 0, - 1, 0 ); + cameraNX.lookAt( new Vector3( - 1, 0, 0 ) ); + this.add( cameraNX ); + + var cameraPY = new PerspectiveCamera( fov, aspect, near, far ); + cameraPY.up.set( 0, 0, 1 ); + cameraPY.lookAt( new Vector3( 0, 1, 0 ) ); + this.add( cameraPY ); + + var cameraNY = new PerspectiveCamera( fov, aspect, near, far ); + cameraNY.up.set( 0, 0, - 1 ); + cameraNY.lookAt( new Vector3( 0, - 1, 0 ) ); + this.add( cameraNY ); + + var cameraPZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraPZ.up.set( 0, - 1, 0 ); + cameraPZ.lookAt( new Vector3( 0, 0, 1 ) ); + this.add( cameraPZ ); + + var cameraNZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraNZ.up.set( 0, - 1, 0 ); + cameraNZ.lookAt( new Vector3( 0, 0, - 1 ) ); + this.add( cameraNZ ); + + options = options || { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter }; + + this.renderTarget = new WebGLCubeRenderTarget( cubeResolution, options ); + this.renderTarget.texture.name = "CubeCamera"; + + this.update = function ( renderer, scene ) { + + if ( this.parent === null ) this.updateMatrixWorld(); + + var currentRenderTarget = renderer.getRenderTarget(); + + var renderTarget = this.renderTarget; + var generateMipmaps = renderTarget.texture.generateMipmaps; + + renderTarget.texture.generateMipmaps = false; + + renderer.setRenderTarget( renderTarget, 0 ); + renderer.render( scene, cameraPX ); + + renderer.setRenderTarget( renderTarget, 1 ); + renderer.render( scene, cameraNX ); + + renderer.setRenderTarget( renderTarget, 2 ); + renderer.render( scene, cameraPY ); + + renderer.setRenderTarget( renderTarget, 3 ); + renderer.render( scene, cameraNY ); + + renderer.setRenderTarget( renderTarget, 4 ); + renderer.render( scene, cameraPZ ); + + renderTarget.texture.generateMipmaps = generateMipmaps; + + renderer.setRenderTarget( renderTarget, 5 ); + renderer.render( scene, cameraNZ ); + + renderer.setRenderTarget( currentRenderTarget ); + + }; + + this.clear = function ( renderer, color, depth, stencil ) { + + var currentRenderTarget = renderer.getRenderTarget(); + + var renderTarget = this.renderTarget; + + for ( var i = 0; i < 6; i ++ ) { + + renderer.setRenderTarget( renderTarget, i ); + + renderer.clear( color, depth, stencil ); + + } + + renderer.setRenderTarget( currentRenderTarget ); + + }; + +} + +CubeCamera.prototype = Object.create( Object3D.prototype ); +CubeCamera.prototype.constructor = CubeCamera; + +/** + * @author alteredq / http://alteredqualia.com + * @author WestLangley / http://github.com/WestLangley + */ + +function WebGLCubeRenderTarget( size, options, dummy ) { + + if ( Number.isInteger( options ) ) { + + console.warn( 'THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )' ); + + options = dummy; + + } + + WebGLRenderTarget.call( this, size, size, options ); + +} + +WebGLCubeRenderTarget.prototype = Object.create( WebGLRenderTarget.prototype ); +WebGLCubeRenderTarget.prototype.constructor = WebGLCubeRenderTarget; + +WebGLCubeRenderTarget.prototype.isWebGLCubeRenderTarget = true; + +WebGLCubeRenderTarget.prototype.fromEquirectangularTexture = function ( renderer, texture ) { + + this.texture.type = texture.type; + this.texture.format = texture.format; + this.texture.encoding = texture.encoding; + + var scene = new three_module_Scene(); + + var shader = { + + uniforms: { + tEquirect: { value: null }, + }, + + vertexShader: [ + + "varying vec3 vWorldDirection;", + + "vec3 transformDirection( in vec3 dir, in mat4 matrix ) {", + + " return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );", + + "}", + + "void main() {", + + " vWorldDirection = transformDirection( position, modelMatrix );", + + " #include ", + " #include ", + + "}" + + ].join( '\n' ), + + fragmentShader: [ + + "uniform sampler2D tEquirect;", + + "varying vec3 vWorldDirection;", + + "#define RECIPROCAL_PI 0.31830988618", + "#define RECIPROCAL_PI2 0.15915494", + + "void main() {", + + " vec3 direction = normalize( vWorldDirection );", + + " vec2 sampleUV;", + + " sampleUV.y = asin( clamp( direction.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;", + + " sampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;", + + " gl_FragColor = texture2D( tEquirect, sampleUV );", + + "}" + + ].join( '\n' ), + }; + + var material = new ShaderMaterial( { + + type: 'CubemapFromEquirect', + + uniforms: cloneUniforms( shader.uniforms ), + vertexShader: shader.vertexShader, + fragmentShader: shader.fragmentShader, + side: BackSide, + blending: NoBlending + + } ); + + material.uniforms.tEquirect.value = texture; + + var mesh = new Mesh( new BoxBufferGeometry( 5, 5, 5 ), material ); + + scene.add( mesh ); + + var camera = new CubeCamera( 1, 10, 1 ); + + camera.renderTarget = this; + camera.renderTarget.texture.name = 'CubeCameraTexture'; + + camera.update( renderer, scene ); + + mesh.geometry.dispose(); + mesh.material.dispose(); + + return this; + +}; + +/** + * @author alteredq / http://alteredqualia.com/ + */ + +function DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { + + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + + this.image = { data: data || null, width: width || 1, height: height || 1 }; + + this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; + this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; + + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + + this.needsUpdate = true; + +} + +DataTexture.prototype = Object.create( Texture.prototype ); +DataTexture.prototype.constructor = DataTexture; + +DataTexture.prototype.isDataTexture = true; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author bhouston / http://clara.io + */ + +var _sphere$1 = new Sphere(); +var _vector$5 = new Vector3(); + +function Frustum( p0, p1, p2, p3, p4, p5 ) { + + this.planes = [ + + ( p0 !== undefined ) ? p0 : new Plane(), + ( p1 !== undefined ) ? p1 : new Plane(), + ( p2 !== undefined ) ? p2 : new Plane(), + ( p3 !== undefined ) ? p3 : new Plane(), + ( p4 !== undefined ) ? p4 : new Plane(), + ( p5 !== undefined ) ? p5 : new Plane() + + ]; + +} + +Object.assign( Frustum.prototype, { + + set: function ( p0, p1, p2, p3, p4, p5 ) { + + var planes = this.planes; + + planes[ 0 ].copy( p0 ); + planes[ 1 ].copy( p1 ); + planes[ 2 ].copy( p2 ); + planes[ 3 ].copy( p3 ); + planes[ 4 ].copy( p4 ); + planes[ 5 ].copy( p5 ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( frustum ) { + + var planes = this.planes; + + for ( var i = 0; i < 6; i ++ ) { + + planes[ i ].copy( frustum.planes[ i ] ); + + } + + return this; + + }, + + setFromProjectionMatrix: function ( m ) { + + var planes = this.planes; + var me = m.elements; + var me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ]; + var me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ]; + var me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ]; + var me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ]; + + planes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize(); + planes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize(); + planes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize(); + planes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize(); + planes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); + planes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize(); + + return this; + + }, + + intersectsObject: function ( object ) { + + var geometry = object.geometry; + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere$1.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld ); + + return this.intersectsSphere( _sphere$1 ); + + }, + + intersectsSprite: function ( sprite ) { + + _sphere$1.center.set( 0, 0, 0 ); + _sphere$1.radius = 0.7071067811865476; + _sphere$1.applyMatrix4( sprite.matrixWorld ); + + return this.intersectsSphere( _sphere$1 ); + + }, + + intersectsSphere: function ( sphere ) { + + var planes = this.planes; + var center = sphere.center; + var negRadius = - sphere.radius; + + for ( var i = 0; i < 6; i ++ ) { + + var distance = planes[ i ].distanceToPoint( center ); + + if ( distance < negRadius ) { + + return false; + + } + + } + + return true; + + }, + + intersectsBox: function ( box ) { + + var planes = this.planes; + + for ( var i = 0; i < 6; i ++ ) { + + var plane = planes[ i ]; + + // corner at max distance + + _vector$5.x = plane.normal.x > 0 ? box.max.x : box.min.x; + _vector$5.y = plane.normal.y > 0 ? box.max.y : box.min.y; + _vector$5.z = plane.normal.z > 0 ? box.max.z : box.min.z; + + if ( plane.distanceToPoint( _vector$5 ) < 0 ) { + + return false; + + } + + } + + return true; + + }, + + containsPoint: function ( point ) { + + var planes = this.planes; + + for ( var i = 0; i < 6; i ++ ) { + + if ( planes[ i ].distanceToPoint( point ) < 0 ) { + + return false; + + } + + } + + return true; + + } + +} ); + +/** + * Uniforms library for shared webgl shaders + */ + +var UniformsLib = { + + common: { + + diffuse: { value: new Color( 0xeeeeee ) }, + opacity: { value: 1.0 }, + + map: { value: null }, + uvTransform: { value: new Matrix3() }, + uv2Transform: { value: new Matrix3() }, + + alphaMap: { value: null }, + + }, + + specularmap: { + + specularMap: { value: null }, + + }, + + envmap: { + + envMap: { value: null }, + flipEnvMap: { value: - 1 }, + reflectivity: { value: 1.0 }, + refractionRatio: { value: 0.98 }, + maxMipLevel: { value: 0 } + + }, + + aomap: { + + aoMap: { value: null }, + aoMapIntensity: { value: 1 } + + }, + + lightmap: { + + lightMap: { value: null }, + lightMapIntensity: { value: 1 } + + }, + + emissivemap: { + + emissiveMap: { value: null } + + }, + + bumpmap: { + + bumpMap: { value: null }, + bumpScale: { value: 1 } + + }, + + normalmap: { + + normalMap: { value: null }, + normalScale: { value: new Vector2( 1, 1 ) } + + }, + + displacementmap: { + + displacementMap: { value: null }, + displacementScale: { value: 1 }, + displacementBias: { value: 0 } + + }, + + roughnessmap: { + + roughnessMap: { value: null } + + }, + + metalnessmap: { + + metalnessMap: { value: null } + + }, + + gradientmap: { + + gradientMap: { value: null } + + }, + + fog: { + + fogDensity: { value: 0.00025 }, + fogNear: { value: 1 }, + fogFar: { value: 2000 }, + fogColor: { value: new Color( 0xffffff ) } + + }, + + lights: { + + ambientLightColor: { value: [] }, + + lightProbe: { value: [] }, + + directionalLights: { value: [], properties: { + direction: {}, + color: {} + } }, + + directionalLightShadows: { value: [], properties: { + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + + directionalShadowMap: { value: [] }, + directionalShadowMatrix: { value: [] }, + + spotLights: { value: [], properties: { + color: {}, + position: {}, + direction: {}, + distance: {}, + coneCos: {}, + penumbraCos: {}, + decay: {} + } }, + + spotLightShadows: { value: [], properties: { + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + + spotShadowMap: { value: [] }, + spotShadowMatrix: { value: [] }, + + pointLights: { value: [], properties: { + color: {}, + position: {}, + decay: {}, + distance: {} + } }, + + pointLightShadows: { value: [], properties: { + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {}, + shadowCameraNear: {}, + shadowCameraFar: {} + } }, + + pointShadowMap: { value: [] }, + pointShadowMatrix: { value: [] }, + + hemisphereLights: { value: [], properties: { + direction: {}, + skyColor: {}, + groundColor: {} + } }, + + // TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src + rectAreaLights: { value: [], properties: { + color: {}, + position: {}, + width: {}, + height: {} + } } + + }, + + points: { + + diffuse: { value: new Color( 0xeeeeee ) }, + opacity: { value: 1.0 }, + size: { value: 1.0 }, + scale: { value: 1.0 }, + map: { value: null }, + alphaMap: { value: null }, + uvTransform: { value: new Matrix3() } + + }, + + sprite: { + + diffuse: { value: new Color( 0xeeeeee ) }, + opacity: { value: 1.0 }, + center: { value: new Vector2( 0.5, 0.5 ) }, + rotation: { value: 0.0 }, + map: { value: null }, + alphaMap: { value: null }, + uvTransform: { value: new Matrix3() } + + } + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLAnimation() { + + var context = null; + var isAnimating = false; + var animationLoop = null; + + function onAnimationFrame( time, frame ) { + + if ( isAnimating === false ) return; + + animationLoop( time, frame ); + + context.requestAnimationFrame( onAnimationFrame ); + + } + + return { + + start: function () { + + if ( isAnimating === true ) return; + if ( animationLoop === null ) return; + + context.requestAnimationFrame( onAnimationFrame ); + + isAnimating = true; + + }, + + stop: function () { + + isAnimating = false; + + }, + + setAnimationLoop: function ( callback ) { + + animationLoop = callback; + + }, + + setContext: function ( value ) { + + context = value; + + } + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLAttributes( gl, capabilities ) { + + var isWebGL2 = capabilities.isWebGL2; + + var buffers = new WeakMap(); + + function createBuffer( attribute, bufferType ) { + + var array = attribute.array; + var usage = attribute.usage; + + var buffer = gl.createBuffer(); + + gl.bindBuffer( bufferType, buffer ); + gl.bufferData( bufferType, array, usage ); + + attribute.onUploadCallback(); + + var type = 5126; + + if ( array instanceof Float32Array ) { + + type = 5126; + + } else if ( array instanceof Float64Array ) { + + console.warn( 'THREE.WebGLAttributes: Unsupported data buffer format: Float64Array.' ); + + } else if ( array instanceof Uint16Array ) { + + type = 5123; + + } else if ( array instanceof Int16Array ) { + + type = 5122; + + } else if ( array instanceof Uint32Array ) { + + type = 5125; + + } else if ( array instanceof Int32Array ) { + + type = 5124; + + } else if ( array instanceof Int8Array ) { + + type = 5120; + + } else if ( array instanceof Uint8Array ) { + + type = 5121; + + } + + return { + buffer: buffer, + type: type, + bytesPerElement: array.BYTES_PER_ELEMENT, + version: attribute.version + }; + + } + + function updateBuffer( buffer, attribute, bufferType ) { + + var array = attribute.array; + var updateRange = attribute.updateRange; + + gl.bindBuffer( bufferType, buffer ); + + if ( updateRange.count === - 1 ) { + + // Not using update ranges + + gl.bufferSubData( bufferType, 0, array ); + + } else { + + if ( isWebGL2 ) { + + gl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT, + array, updateRange.offset, updateRange.count ); + + } else { + + gl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT, + array.subarray( updateRange.offset, updateRange.offset + updateRange.count ) ); + + } + + updateRange.count = - 1; // reset range + + } + + } + + // + + function get( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; + + return buffers.get( attribute ); + + } + + function remove( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; + + var data = buffers.get( attribute ); + + if ( data ) { + + gl.deleteBuffer( data.buffer ); + + buffers.delete( attribute ); + + } + + } + + function update( attribute, bufferType ) { + + if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; + + var data = buffers.get( attribute ); + + if ( data === undefined ) { + + buffers.set( attribute, createBuffer( attribute, bufferType ) ); + + } else if ( data.version < attribute.version ) { + + updateBuffer( data.buffer, attribute, bufferType ); + + data.version = attribute.version; + + } + + } + + return { + + get: get, + remove: remove, + update: update + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + * @author Mugen87 / https://github.com/Mugen87 + */ + +// PlaneGeometry + +function PlaneGeometry( width, height, widthSegments, heightSegments ) { + + Geometry.call( this ); + + this.type = 'PlaneGeometry'; + + this.parameters = { + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments + }; + + this.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) ); + this.mergeVertices(); + +} + +PlaneGeometry.prototype = Object.create( Geometry.prototype ); +PlaneGeometry.prototype.constructor = PlaneGeometry; + +// PlaneBufferGeometry + +function PlaneBufferGeometry( width, height, widthSegments, heightSegments ) { + + BufferGeometry.call( this ); + + this.type = 'PlaneBufferGeometry'; + + this.parameters = { + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments + }; + + width = width || 1; + height = height || 1; + + var width_half = width / 2; + var height_half = height / 2; + + var gridX = Math.floor( widthSegments ) || 1; + var gridY = Math.floor( heightSegments ) || 1; + + var gridX1 = gridX + 1; + var gridY1 = gridY + 1; + + var segment_width = width / gridX; + var segment_height = height / gridY; + + var ix, iy; + + // buffers + + var indices = []; + var vertices = []; + var normals = []; + var uvs = []; + + // generate vertices, normals and uvs + + for ( iy = 0; iy < gridY1; iy ++ ) { + + var y = iy * segment_height - height_half; + + for ( ix = 0; ix < gridX1; ix ++ ) { + + var x = ix * segment_width - width_half; + + vertices.push( x, - y, 0 ); + + normals.push( 0, 0, 1 ); + + uvs.push( ix / gridX ); + uvs.push( 1 - ( iy / gridY ) ); + + } + + } + + // indices + + for ( iy = 0; iy < gridY; iy ++ ) { + + for ( ix = 0; ix < gridX; ix ++ ) { + + var a = ix + gridX1 * iy; + var b = ix + gridX1 * ( iy + 1 ); + var c = ( ix + 1 ) + gridX1 * ( iy + 1 ); + var d = ( ix + 1 ) + gridX1 * iy; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + +} + +PlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +PlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry; + +var alphamap_fragment = "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif"; + +var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif"; + +var alphatest_fragment = "#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif"; + +var aomap_fragment = "#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif"; + +var aomap_pars_fragment = "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif"; + +var begin_vertex = "vec3 transformed = vec3( position );"; + +var beginnormal_vertex = "vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif"; + +var bsdfs = "vec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\treturn vec2( -1.04, 1.04 ) * a004 + r.zw;\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n#else\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n#endif\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\treturn Fr * fresnel + F0;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\treturn specularColor * brdf.x + brdf.y;\n}\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie(float roughness, float NoH) {\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125);\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\nfloat V_Neubelt(float NoV, float NoL) {\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n}\n#endif"; + +var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tfDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif"; + +var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t#endif\n#endif"; + +var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( STANDARD ) && ! defined( PHONG ) && ! defined( MATCAP ) && ! defined( TOON )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif"; + +var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( STANDARD ) && ! defined( PHONG ) && ! defined( MATCAP ) && ! defined( TOON )\n\tvarying vec3 vViewPosition;\n#endif"; + +var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( STANDARD ) && ! defined( PHONG ) && ! defined( MATCAP ) && ! defined( TOON )\n\tvViewPosition = - mvPosition.xyz;\n#endif"; + +var color_fragment = "#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif"; + +var color_pars_fragment = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif"; + +var color_pars_vertex = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif"; + +var color_vertex = "#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif"; + +var common = "#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI_HALF 1.5707963267949\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n return m[ 2 ][ 3 ] == - 1.0;\n}"; + +var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_maxMipLevel 8.0\n#define cubeUV_minMipLevel 4.0\n#define cubeUV_maxTileSize 256.0\n#define cubeUV_minTileSize 16.0\nfloat getFace(vec3 direction) {\n vec3 absDirection = abs(direction);\n float face = -1.0;\n if (absDirection.x > absDirection.z) {\n if (absDirection.x > absDirection.y)\n face = direction.x > 0.0 ? 0.0 : 3.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n } else {\n if (absDirection.z > absDirection.y)\n face = direction.z > 0.0 ? 2.0 : 5.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n }\n return face;\n}\nvec2 getUV(vec3 direction, float face) {\n vec2 uv;\n if (face == 0.0) {\n uv = vec2(-direction.z, direction.y) / abs(direction.x);\n } else if (face == 1.0) {\n uv = vec2(direction.x, -direction.z) / abs(direction.y);\n } else if (face == 2.0) {\n uv = direction.xy / abs(direction.z);\n } else if (face == 3.0) {\n uv = vec2(direction.z, direction.y) / abs(direction.x);\n } else if (face == 4.0) {\n uv = direction.xz / abs(direction.y);\n } else {\n uv = vec2(-direction.x, direction.y) / abs(direction.z);\n }\n return 0.5 * (uv + 1.0);\n}\nvec3 bilinearCubeUV(sampler2D envMap, vec3 direction, float mipInt) {\n float face = getFace(direction);\n float filterInt = max(cubeUV_minMipLevel - mipInt, 0.0);\n mipInt = max(mipInt, cubeUV_minMipLevel);\n float faceSize = exp2(mipInt);\n float texelSize = 1.0 / (3.0 * cubeUV_maxTileSize);\n vec2 uv = getUV(direction, face) * (faceSize - 1.0);\n vec2 f = fract(uv);\n uv += 0.5 - f;\n if (face > 2.0) {\n uv.y += faceSize;\n face -= 3.0;\n }\n uv.x += face * faceSize;\n if(mipInt < cubeUV_maxMipLevel){\n uv.y += 2.0 * cubeUV_maxTileSize;\n }\n uv.y += filterInt * 2.0 * cubeUV_minTileSize;\n uv.x += 3.0 * max(0.0, cubeUV_maxTileSize - 2.0 * faceSize);\n uv *= texelSize;\n vec3 tl = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.x += texelSize;\n vec3 tr = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.y += texelSize;\n vec3 br = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.x -= texelSize;\n vec3 bl = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n vec3 tm = mix(tl, tr, f.x);\n vec3 bm = mix(bl, br, f.x);\n return mix(tm, bm, f.y);\n}\n#define r0 1.0\n#define v0 0.339\n#define m0 -2.0\n#define r1 0.8\n#define v1 0.276\n#define m1 -1.0\n#define r4 0.4\n#define v4 0.046\n#define m4 2.0\n#define r5 0.305\n#define v5 0.016\n#define m5 3.0\n#define r6 0.21\n#define v6 0.0038\n#define m6 4.0\nfloat roughnessToMip(float roughness) {\n float mip = 0.0;\n if (roughness >= r1) {\n mip = (r0 - roughness) * (m1 - m0) / (r0 - r1) + m0;\n } else if (roughness >= r4) {\n mip = (r1 - roughness) * (m4 - m1) / (r1 - r4) + m1;\n } else if (roughness >= r5) {\n mip = (r4 - roughness) * (m5 - m4) / (r4 - r5) + m4;\n } else if (roughness >= r6) {\n mip = (r5 - roughness) * (m6 - m5) / (r5 - r6) + m5;\n } else {\n mip = -2.0 * log2(1.16 * roughness); }\n return mip;\n}\nvec4 textureCubeUV(sampler2D envMap, vec3 sampleDir, float roughness) {\n float mip = clamp(roughnessToMip(roughness), m0, cubeUV_maxMipLevel);\n float mipF = fract(mip);\n float mipInt = floor(mip);\n vec3 color0 = bilinearCubeUV(envMap, sampleDir, mipInt);\n if (mipF == 0.0) {\n return vec4(color0, 1.0);\n } else {\n vec3 color1 = bilinearCubeUV(envMap, sampleDir, mipInt + 1.0);\n return vec4(mix(color0, color1, mipF), 1.0);\n }\n}\n#endif"; + +var defaultnormal_vertex = "vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif"; + +var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif"; + +var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif"; + +var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif"; + +var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif"; + +var encodings_fragment = "gl_FragColor = linearToOutputTexel( gl_FragColor );"; + +var encodings_pars_fragment = "\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}"; + +var envmap_fragment = "#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\t\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\treflectVec = normalize( reflectVec );\n\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\treflectVec = normalize( reflectVec );\n\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\t\tenvColor = envMapTexelToLinear( envColor );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif"; + +var envmap_common_pars_fragment = "#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif"; + +var envmap_pars_fragment = "#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif"; + +var envmap_pars_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif"; + +var envmap_vertex = "#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) { \n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif"; + +var fog_vertex = "#ifdef USE_FOG\n\tfogDepth = -mvPosition.z;\n#endif"; + +var fog_pars_vertex = "#ifdef USE_FOG\n\tvarying float fogDepth;\n#endif"; + +var fog_fragment = "#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif"; + +var fog_pars_fragment = "#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif"; + +var gradientmap_pars_fragment = "#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}"; + +var lightmap_fragment = "#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n#endif"; + +var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif"; + +var lights_lambert_vertex = "vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif"; + +var lights_pars_begin = "uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif"; + +var envmap_physical_pars_fragment = "#if defined( USE_ENVMAP )\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t vec3 reflectVec = reflect( -viewDir, normal );\n\t\t reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t#else\n\t\t vec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif"; + +var lights_toon_fragment = "ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;"; + +var lights_toon_pars_fragment = "varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct ToonMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)"; + +var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;"; + +var lights_phong_pars_fragment = "varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)"; + +var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );material.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n#ifdef REFLECTIVITY\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#endif\n#ifdef CLEARCOAT\n\tmaterial.clearcoat = saturate( clearcoat );\tmaterial.clearcoatRoughness = max( clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheen;\n#endif"; + +var lights_physical_pars_fragment = "struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tccIrradiance *= PI;\n\t\t#endif\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}"; + +var lights_fragment_begin = "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif"; + +var lights_fragment_maps = "#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\t#ifdef CLEARCOAT\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\t#endif\n#endif"; + +var lights_fragment_end = "#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif"; + +var logdepthbuf_fragment = "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif"; + +var logdepthbuf_pars_fragment = "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif"; + +var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif"; + +var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif"; + +var map_fragment = "#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif"; + +var map_pars_fragment = "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif"; + +var map_particle_fragment = "#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif"; + +var map_particle_pars_fragment = "#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif"; + +var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif"; + +var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif"; + +var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n#endif"; + +var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif"; + +var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t#endif\n#endif"; + +var normal_fragment_begin = "#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t\tbitangent = bitangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;"; + +var normal_fragment_maps = "#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif"; + +var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tfloat scale = sign( st1.t * st0.s - st0.t * st1.s );\n\t\tvec3 S = normalize( ( q0 * st1.t - q1 * st0.t ) * scale );\n\t\tvec3 T = normalize( ( - q0 * st1.s + q1 * st0.s ) * scale );\n\t\tvec3 N = normalize( surf_norm );\n\t\tmat3 tsn = mat3( S, T, N );\n\t\tmapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif"; + +var clearcoat_normal_fragment_begin = "#ifdef CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif"; + +var clearcoat_normal_fragment_maps = "#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN );\n\t#endif\n#endif"; + +var clearcoat_normalmap_pars_fragment = "#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif"; + +var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ));\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w);\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}"; + +var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif"; + +var project_vertex = "vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;"; + +var dithering_fragment = "#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif"; + +var dithering_pars_fragment = "#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif"; + +var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif"; + +var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif"; + +var shadowmap_pars_fragment = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif"; + +var shadowmap_pars_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif"; + +var shadowmap_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif"; + +var shadowmask_pars_fragment = "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}"; + +var skinbase_vertex = "#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif"; + +var skinning_pars_vertex = "#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif"; + +var skinning_vertex = "#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif"; + +var skinnormal_vertex = "#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif"; + +var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif"; + +var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif"; + +var tonemapping_fragment = "#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif"; + +var tonemapping_pars_fragment = "#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( ( color * ( 2.51 * color + 0.03 ) ) / ( color * ( 2.43 * color + 0.59 ) + 0.14 ) );\n}"; + +var uv_pars_fragment = "#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif"; + +var uv_pars_vertex = "#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif"; + +var uv_vertex = "#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif"; + +var uv2_pars_fragment = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif"; + +var uv2_pars_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif"; + +var uv2_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif"; + +var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif"; + +var background_frag = "uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}"; + +var background_vert = "varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}"; + +var cube_frag = "#include \nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include \n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}"; + +var cube_vert = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}"; + +var depth_frag = "#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}"; + +var depth_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}"; + +var distanceRGBA_frag = "#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}"; + +var distanceRGBA_vert = "#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}"; + +var equirect_frag = "uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV;\n\tsampleUV.y = asin( clamp( direction.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}"; + +var equirect_vert = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}"; + +var linedashed_frag = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var linedashed_vert = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvLineDistance = scale * lineDistance;\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}"; + +var meshbasic_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var meshbasic_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_ENVMAP\n\t#include \n\t#include \n\t#include \n\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var meshlambert_frag = "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var meshlambert_vert = "#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var meshmatcap_frag = "#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\t#else\n\t\tvec4 matcapColor = vec4( 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var meshmatcap_vert = "#define MATCAP\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifndef FLAT_SHADED\n\t\tvNormal = normalize( transformedNormal );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}"; + +var meshtoon_frag = "#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var meshtoon_vert = "#define TOON\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}"; + +var meshphong_frag = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var meshphong_vert = "#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var meshphysical_frag = "#define STANDARD\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSPARENCY\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef TRANSPARENCY\n\tuniform float transparency;\n#endif\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#ifdef TRANSPARENCY\n\t\tdiffuseColor.a *= saturate( 1. - transparency + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) );\n\t#endif\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var meshphysical_vert = "#define STANDARD\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}"; + +var normal_frag = "#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}"; + +var normal_vert = "#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}"; + +var points_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var points_vert = "uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var shadow_frag = "uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}"; + +var shadow_vert = "#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +var sprite_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n}"; + +var sprite_vert = "uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}"; + +var ShaderChunk = { + alphamap_fragment: alphamap_fragment, + alphamap_pars_fragment: alphamap_pars_fragment, + alphatest_fragment: alphatest_fragment, + aomap_fragment: aomap_fragment, + aomap_pars_fragment: aomap_pars_fragment, + begin_vertex: begin_vertex, + beginnormal_vertex: beginnormal_vertex, + bsdfs: bsdfs, + bumpmap_pars_fragment: bumpmap_pars_fragment, + clipping_planes_fragment: clipping_planes_fragment, + clipping_planes_pars_fragment: clipping_planes_pars_fragment, + clipping_planes_pars_vertex: clipping_planes_pars_vertex, + clipping_planes_vertex: clipping_planes_vertex, + color_fragment: color_fragment, + color_pars_fragment: color_pars_fragment, + color_pars_vertex: color_pars_vertex, + color_vertex: color_vertex, + common: common, + cube_uv_reflection_fragment: cube_uv_reflection_fragment, + defaultnormal_vertex: defaultnormal_vertex, + displacementmap_pars_vertex: displacementmap_pars_vertex, + displacementmap_vertex: displacementmap_vertex, + emissivemap_fragment: emissivemap_fragment, + emissivemap_pars_fragment: emissivemap_pars_fragment, + encodings_fragment: encodings_fragment, + encodings_pars_fragment: encodings_pars_fragment, + envmap_fragment: envmap_fragment, + envmap_common_pars_fragment: envmap_common_pars_fragment, + envmap_pars_fragment: envmap_pars_fragment, + envmap_pars_vertex: envmap_pars_vertex, + envmap_physical_pars_fragment: envmap_physical_pars_fragment, + envmap_vertex: envmap_vertex, + fog_vertex: fog_vertex, + fog_pars_vertex: fog_pars_vertex, + fog_fragment: fog_fragment, + fog_pars_fragment: fog_pars_fragment, + gradientmap_pars_fragment: gradientmap_pars_fragment, + lightmap_fragment: lightmap_fragment, + lightmap_pars_fragment: lightmap_pars_fragment, + lights_lambert_vertex: lights_lambert_vertex, + lights_pars_begin: lights_pars_begin, + lights_toon_fragment: lights_toon_fragment, + lights_toon_pars_fragment: lights_toon_pars_fragment, + lights_phong_fragment: lights_phong_fragment, + lights_phong_pars_fragment: lights_phong_pars_fragment, + lights_physical_fragment: lights_physical_fragment, + lights_physical_pars_fragment: lights_physical_pars_fragment, + lights_fragment_begin: lights_fragment_begin, + lights_fragment_maps: lights_fragment_maps, + lights_fragment_end: lights_fragment_end, + logdepthbuf_fragment: logdepthbuf_fragment, + logdepthbuf_pars_fragment: logdepthbuf_pars_fragment, + logdepthbuf_pars_vertex: logdepthbuf_pars_vertex, + logdepthbuf_vertex: logdepthbuf_vertex, + map_fragment: map_fragment, + map_pars_fragment: map_pars_fragment, + map_particle_fragment: map_particle_fragment, + map_particle_pars_fragment: map_particle_pars_fragment, + metalnessmap_fragment: metalnessmap_fragment, + metalnessmap_pars_fragment: metalnessmap_pars_fragment, + morphnormal_vertex: morphnormal_vertex, + morphtarget_pars_vertex: morphtarget_pars_vertex, + morphtarget_vertex: morphtarget_vertex, + normal_fragment_begin: normal_fragment_begin, + normal_fragment_maps: normal_fragment_maps, + normalmap_pars_fragment: normalmap_pars_fragment, + clearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin, + clearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps, + clearcoat_normalmap_pars_fragment: clearcoat_normalmap_pars_fragment, + packing: packing, + premultiplied_alpha_fragment: premultiplied_alpha_fragment, + project_vertex: project_vertex, + dithering_fragment: dithering_fragment, + dithering_pars_fragment: dithering_pars_fragment, + roughnessmap_fragment: roughnessmap_fragment, + roughnessmap_pars_fragment: roughnessmap_pars_fragment, + shadowmap_pars_fragment: shadowmap_pars_fragment, + shadowmap_pars_vertex: shadowmap_pars_vertex, + shadowmap_vertex: shadowmap_vertex, + shadowmask_pars_fragment: shadowmask_pars_fragment, + skinbase_vertex: skinbase_vertex, + skinning_pars_vertex: skinning_pars_vertex, + skinning_vertex: skinning_vertex, + skinnormal_vertex: skinnormal_vertex, + specularmap_fragment: specularmap_fragment, + specularmap_pars_fragment: specularmap_pars_fragment, + tonemapping_fragment: tonemapping_fragment, + tonemapping_pars_fragment: tonemapping_pars_fragment, + uv_pars_fragment: uv_pars_fragment, + uv_pars_vertex: uv_pars_vertex, + uv_vertex: uv_vertex, + uv2_pars_fragment: uv2_pars_fragment, + uv2_pars_vertex: uv2_pars_vertex, + uv2_vertex: uv2_vertex, + worldpos_vertex: worldpos_vertex, + + background_frag: background_frag, + background_vert: background_vert, + cube_frag: cube_frag, + cube_vert: cube_vert, + depth_frag: depth_frag, + depth_vert: depth_vert, + distanceRGBA_frag: distanceRGBA_frag, + distanceRGBA_vert: distanceRGBA_vert, + equirect_frag: equirect_frag, + equirect_vert: equirect_vert, + linedashed_frag: linedashed_frag, + linedashed_vert: linedashed_vert, + meshbasic_frag: meshbasic_frag, + meshbasic_vert: meshbasic_vert, + meshlambert_frag: meshlambert_frag, + meshlambert_vert: meshlambert_vert, + meshmatcap_frag: meshmatcap_frag, + meshmatcap_vert: meshmatcap_vert, + meshtoon_frag: meshtoon_frag, + meshtoon_vert: meshtoon_vert, + meshphong_frag: meshphong_frag, + meshphong_vert: meshphong_vert, + meshphysical_frag: meshphysical_frag, + meshphysical_vert: meshphysical_vert, + normal_frag: normal_frag, + normal_vert: normal_vert, + points_frag: points_frag, + points_vert: points_vert, + shadow_frag: shadow_frag, + shadow_vert: shadow_vert, + sprite_frag: sprite_frag, + sprite_vert: sprite_vert +}; + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + */ + +var ShaderLib = { + + basic: { + + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.fog + ] ), + + vertexShader: ShaderChunk.meshbasic_vert, + fragmentShader: ShaderChunk.meshbasic_frag + + }, + + lambert: { + + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color( 0x000000 ) } + } + ] ), + + vertexShader: ShaderChunk.meshlambert_vert, + fragmentShader: ShaderChunk.meshlambert_frag + + }, + + phong: { + + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color( 0x000000 ) }, + specular: { value: new Color( 0x111111 ) }, + shininess: { value: 30 } + } + ] ), + + vertexShader: ShaderChunk.meshphong_vert, + fragmentShader: ShaderChunk.meshphong_frag + + }, + + standard: { + + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.roughnessmap, + UniformsLib.metalnessmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color( 0x000000 ) }, + roughness: { value: 0.5 }, + metalness: { value: 0.5 }, + envMapIntensity: { value: 1 } // temporary + } + ] ), + + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + + }, + + toon: { + + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.gradientmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color( 0x000000 ) }, + specular: { value: new Color( 0x111111 ) }, + shininess: { value: 30 } + } + ] ), + + vertexShader: ShaderChunk.meshtoon_vert, + fragmentShader: ShaderChunk.meshtoon_frag + + }, + + matcap: { + + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + { + matcap: { value: null } + } + ] ), + + vertexShader: ShaderChunk.meshmatcap_vert, + fragmentShader: ShaderChunk.meshmatcap_frag + + }, + + points: { + + uniforms: mergeUniforms( [ + UniformsLib.points, + UniformsLib.fog + ] ), + + vertexShader: ShaderChunk.points_vert, + fragmentShader: ShaderChunk.points_frag + + }, + + dashed: { + + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.fog, + { + scale: { value: 1 }, + dashSize: { value: 1 }, + totalSize: { value: 2 } + } + ] ), + + vertexShader: ShaderChunk.linedashed_vert, + fragmentShader: ShaderChunk.linedashed_frag + + }, + + depth: { + + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.displacementmap + ] ), + + vertexShader: ShaderChunk.depth_vert, + fragmentShader: ShaderChunk.depth_frag + + }, + + normal: { + + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + { + opacity: { value: 1.0 } + } + ] ), + + vertexShader: ShaderChunk.normal_vert, + fragmentShader: ShaderChunk.normal_frag + + }, + + sprite: { + + uniforms: mergeUniforms( [ + UniformsLib.sprite, + UniformsLib.fog + ] ), + + vertexShader: ShaderChunk.sprite_vert, + fragmentShader: ShaderChunk.sprite_frag + + }, + + background: { + + uniforms: { + uvTransform: { value: new Matrix3() }, + t2D: { value: null }, + }, + + vertexShader: ShaderChunk.background_vert, + fragmentShader: ShaderChunk.background_frag + + }, + /* ------------------------------------------------------------------------- + // Cube map shader + ------------------------------------------------------------------------- */ + + cube: { + + uniforms: mergeUniforms( [ + UniformsLib.envmap, + { + opacity: { value: 1.0 } + } + ] ), + + vertexShader: ShaderChunk.cube_vert, + fragmentShader: ShaderChunk.cube_frag + + }, + + equirect: { + + uniforms: { + tEquirect: { value: null }, + }, + + vertexShader: ShaderChunk.equirect_vert, + fragmentShader: ShaderChunk.equirect_frag + + }, + + distanceRGBA: { + + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.displacementmap, + { + referencePosition: { value: new Vector3() }, + nearDistance: { value: 1 }, + farDistance: { value: 1000 } + } + ] ), + + vertexShader: ShaderChunk.distanceRGBA_vert, + fragmentShader: ShaderChunk.distanceRGBA_frag + + }, + + shadow: { + + uniforms: mergeUniforms( [ + UniformsLib.lights, + UniformsLib.fog, + { + color: { value: new Color( 0x00000 ) }, + opacity: { value: 1.0 } + }, + ] ), + + vertexShader: ShaderChunk.shadow_vert, + fragmentShader: ShaderChunk.shadow_frag + + } + +}; + +ShaderLib.physical = { + + uniforms: mergeUniforms( [ + ShaderLib.standard.uniforms, + { + transparency: { value: 0 }, + clearcoat: { value: 0 }, + clearcoatRoughness: { value: 0 }, + sheen: { value: new Color( 0x000000 ) }, + clearcoatNormalScale: { value: new Vector2( 1, 1 ) }, + clearcoatNormalMap: { value: null }, + } + ] ), + + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLBackground( renderer, state, objects, premultipliedAlpha ) { + + var clearColor = new Color( 0x000000 ); + var clearAlpha = 0; + + var planeMesh; + var boxMesh; + + var currentBackground = null; + var currentBackgroundVersion = 0; + var currentTonemapping = null; + + function render( renderList, scene, camera, forceClear ) { + + var background = scene.background; + + // Ignore background in AR + // TODO: Reconsider this. + + var xr = renderer.xr; + var session = xr.getSession && xr.getSession(); + + if ( session && session.environmentBlendMode === 'additive' ) { + + background = null; + + } + + if ( background === null ) { + + setClear( clearColor, clearAlpha ); + + } else if ( background && background.isColor ) { + + setClear( background, 1 ); + forceClear = true; + + } + + if ( renderer.autoClear || forceClear ) { + + renderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil ); + + } + + if ( background && ( background.isCubeTexture || background.isWebGLCubeRenderTarget || background.mapping === CubeUVReflectionMapping ) ) { + + if ( boxMesh === undefined ) { + + boxMesh = new Mesh( + new BoxBufferGeometry( 1, 1, 1 ), + new ShaderMaterial( { + type: 'BackgroundCubeMaterial', + uniforms: cloneUniforms( ShaderLib.cube.uniforms ), + vertexShader: ShaderLib.cube.vertexShader, + fragmentShader: ShaderLib.cube.fragmentShader, + side: BackSide, + depthTest: false, + depthWrite: false, + fog: false + } ) + ); + + boxMesh.geometry.deleteAttribute( 'normal' ); + boxMesh.geometry.deleteAttribute( 'uv' ); + + boxMesh.onBeforeRender = function ( renderer, scene, camera ) { + + this.matrixWorld.copyPosition( camera.matrixWorld ); + + }; + + // enable code injection for non-built-in material + Object.defineProperty( boxMesh.material, 'envMap', { + + get: function () { + + return this.uniforms.envMap.value; + + } + + } ); + + objects.update( boxMesh ); + + } + + var texture = background.isWebGLCubeRenderTarget ? background.texture : background; + + boxMesh.material.uniforms.envMap.value = texture; + boxMesh.material.uniforms.flipEnvMap.value = texture.isCubeTexture ? - 1 : 1; + + if ( currentBackground !== background || + currentBackgroundVersion !== texture.version || + currentTonemapping !== renderer.toneMapping ) { + + boxMesh.material.needsUpdate = true; + + currentBackground = background; + currentBackgroundVersion = texture.version; + currentTonemapping = renderer.toneMapping; + + } + + // push to the pre-sorted opaque render list + renderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null ); + + } else if ( background && background.isTexture ) { + + if ( planeMesh === undefined ) { + + planeMesh = new Mesh( + new PlaneBufferGeometry( 2, 2 ), + new ShaderMaterial( { + type: 'BackgroundMaterial', + uniforms: cloneUniforms( ShaderLib.background.uniforms ), + vertexShader: ShaderLib.background.vertexShader, + fragmentShader: ShaderLib.background.fragmentShader, + side: FrontSide, + depthTest: false, + depthWrite: false, + fog: false + } ) + ); + + planeMesh.geometry.deleteAttribute( 'normal' ); + + // enable code injection for non-built-in material + Object.defineProperty( planeMesh.material, 'map', { + + get: function () { + + return this.uniforms.t2D.value; + + } + + } ); + + objects.update( planeMesh ); + + } + + planeMesh.material.uniforms.t2D.value = background; + + if ( background.matrixAutoUpdate === true ) { + + background.updateMatrix(); + + } + + planeMesh.material.uniforms.uvTransform.value.copy( background.matrix ); + + if ( currentBackground !== background || + currentBackgroundVersion !== background.version || + currentTonemapping !== renderer.toneMapping ) { + + planeMesh.material.needsUpdate = true; + + currentBackground = background; + currentBackgroundVersion = background.version; + currentTonemapping = renderer.toneMapping; + + } + + + // push to the pre-sorted opaque render list + renderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null ); + + } + + } + + function setClear( color, alpha ) { + + state.buffers.color.setClear( color.r, color.g, color.b, alpha, premultipliedAlpha ); + + } + + return { + + getClearColor: function () { + + return clearColor; + + }, + setClearColor: function ( color, alpha ) { + + clearColor.set( color ); + clearAlpha = alpha !== undefined ? alpha : 1; + setClear( clearColor, clearAlpha ); + + }, + getClearAlpha: function () { + + return clearAlpha; + + }, + setClearAlpha: function ( alpha ) { + + clearAlpha = alpha; + setClear( clearColor, clearAlpha ); + + }, + render: render + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLBufferRenderer( gl, extensions, info, capabilities ) { + + var isWebGL2 = capabilities.isWebGL2; + + var mode; + + function setMode( value ) { + + mode = value; + + } + + function render( start, count ) { + + gl.drawArrays( mode, start, count ); + + info.update( count, mode ); + + } + + function renderInstances( geometry, start, count, primcount ) { + + if ( primcount === 0 ) return; + + var extension, methodName; + + if ( isWebGL2 ) { + + extension = gl; + methodName = 'drawArraysInstanced'; + + } else { + + extension = extensions.get( 'ANGLE_instanced_arrays' ); + methodName = 'drawArraysInstancedANGLE'; + + if ( extension === null ) { + + console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; + + } + + } + + extension[ methodName ]( mode, start, count, primcount ); + + info.update( count, mode, primcount ); + + } + + // + + this.setMode = setMode; + this.render = render; + this.renderInstances = renderInstances; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLCapabilities( gl, extensions, parameters ) { + + var maxAnisotropy; + + function getMaxAnisotropy() { + + if ( maxAnisotropy !== undefined ) return maxAnisotropy; + + var extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + + if ( extension !== null ) { + + maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT ); + + } else { + + maxAnisotropy = 0; + + } + + return maxAnisotropy; + + } + + function getMaxPrecision( precision ) { + + if ( precision === 'highp' ) { + + if ( gl.getShaderPrecisionFormat( 35633, 36338 ).precision > 0 && + gl.getShaderPrecisionFormat( 35632, 36338 ).precision > 0 ) { + + return 'highp'; + + } + + precision = 'mediump'; + + } + + if ( precision === 'mediump' ) { + + if ( gl.getShaderPrecisionFormat( 35633, 36337 ).precision > 0 && + gl.getShaderPrecisionFormat( 35632, 36337 ).precision > 0 ) { + + return 'mediump'; + + } + + } + + return 'lowp'; + + } + + /* eslint-disable no-undef */ + var isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && gl instanceof WebGL2RenderingContext ) || + ( typeof WebGL2ComputeRenderingContext !== 'undefined' && gl instanceof WebGL2ComputeRenderingContext ); + /* eslint-enable no-undef */ + + var precision = parameters.precision !== undefined ? parameters.precision : 'highp'; + var maxPrecision = getMaxPrecision( precision ); + + if ( maxPrecision !== precision ) { + + console.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' ); + precision = maxPrecision; + + } + + var logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true; + + var maxTextures = gl.getParameter( 34930 ); + var maxVertexTextures = gl.getParameter( 35660 ); + var maxTextureSize = gl.getParameter( 3379 ); + var maxCubemapSize = gl.getParameter( 34076 ); + + var maxAttributes = gl.getParameter( 34921 ); + var maxVertexUniforms = gl.getParameter( 36347 ); + var maxVaryings = gl.getParameter( 36348 ); + var maxFragmentUniforms = gl.getParameter( 36349 ); + + var vertexTextures = maxVertexTextures > 0; + var floatFragmentTextures = isWebGL2 || !! extensions.get( 'OES_texture_float' ); + var floatVertexTextures = vertexTextures && floatFragmentTextures; + + var maxSamples = isWebGL2 ? gl.getParameter( 36183 ) : 0; + + return { + + isWebGL2: isWebGL2, + + getMaxAnisotropy: getMaxAnisotropy, + getMaxPrecision: getMaxPrecision, + + precision: precision, + logarithmicDepthBuffer: logarithmicDepthBuffer, + + maxTextures: maxTextures, + maxVertexTextures: maxVertexTextures, + maxTextureSize: maxTextureSize, + maxCubemapSize: maxCubemapSize, + + maxAttributes: maxAttributes, + maxVertexUniforms: maxVertexUniforms, + maxVaryings: maxVaryings, + maxFragmentUniforms: maxFragmentUniforms, + + vertexTextures: vertexTextures, + floatFragmentTextures: floatFragmentTextures, + floatVertexTextures: floatVertexTextures, + + maxSamples: maxSamples + + }; + +} + +/** + * @author tschw + */ + +function WebGLClipping() { + + var scope = this, + + globalState = null, + numGlobalPlanes = 0, + localClippingEnabled = false, + renderingShadows = false, + + plane = new Plane(), + viewNormalMatrix = new Matrix3(), + + uniform = { value: null, needsUpdate: false }; + + this.uniform = uniform; + this.numPlanes = 0; + this.numIntersection = 0; + + this.init = function ( planes, enableLocalClipping, camera ) { + + var enabled = + planes.length !== 0 || + enableLocalClipping || + // enable state of previous frame - the clipping code has to + // run another frame in order to reset the state: + numGlobalPlanes !== 0 || + localClippingEnabled; + + localClippingEnabled = enableLocalClipping; + + globalState = projectPlanes( planes, camera, 0 ); + numGlobalPlanes = planes.length; + + return enabled; + + }; + + this.beginShadows = function () { + + renderingShadows = true; + projectPlanes( null ); + + }; + + this.endShadows = function () { + + renderingShadows = false; + resetGlobalState(); + + }; + + this.setState = function ( planes, clipIntersection, clipShadows, camera, cache, fromCache ) { + + if ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) { + + // there's no local clipping + + if ( renderingShadows ) { + + // there's no global clipping + + projectPlanes( null ); + + } else { + + resetGlobalState(); + + } + + } else { + + var nGlobal = renderingShadows ? 0 : numGlobalPlanes, + lGlobal = nGlobal * 4, + + dstArray = cache.clippingState || null; + + uniform.value = dstArray; // ensure unique state + + dstArray = projectPlanes( planes, camera, lGlobal, fromCache ); + + for ( var i = 0; i !== lGlobal; ++ i ) { + + dstArray[ i ] = globalState[ i ]; + + } + + cache.clippingState = dstArray; + this.numIntersection = clipIntersection ? this.numPlanes : 0; + this.numPlanes += nGlobal; + + } + + + }; + + function resetGlobalState() { + + if ( uniform.value !== globalState ) { + + uniform.value = globalState; + uniform.needsUpdate = numGlobalPlanes > 0; + + } + + scope.numPlanes = numGlobalPlanes; + scope.numIntersection = 0; + + } + + function projectPlanes( planes, camera, dstOffset, skipTransform ) { + + var nPlanes = planes !== null ? planes.length : 0, + dstArray = null; + + if ( nPlanes !== 0 ) { + + dstArray = uniform.value; + + if ( skipTransform !== true || dstArray === null ) { + + var flatSize = dstOffset + nPlanes * 4, + viewMatrix = camera.matrixWorldInverse; + + viewNormalMatrix.getNormalMatrix( viewMatrix ); + + if ( dstArray === null || dstArray.length < flatSize ) { + + dstArray = new Float32Array( flatSize ); + + } + + for ( var i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) { + + plane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix ); + + plane.normal.toArray( dstArray, i4 ); + dstArray[ i4 + 3 ] = plane.constant; + + } + + } + + uniform.value = dstArray; + uniform.needsUpdate = true; + + } + + scope.numPlanes = nPlanes; + scope.numIntersection = 0; + + return dstArray; + + } + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLExtensions( gl ) { + + var extensions = {}; + + return { + + get: function ( name ) { + + if ( extensions[ name ] !== undefined ) { + + return extensions[ name ]; + + } + + var extension; + + switch ( name ) { + + case 'WEBGL_depth_texture': + extension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' ); + break; + + case 'EXT_texture_filter_anisotropic': + extension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' ); + break; + + case 'WEBGL_compressed_texture_s3tc': + extension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' ); + break; + + case 'WEBGL_compressed_texture_pvrtc': + extension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' ); + break; + + default: + extension = gl.getExtension( name ); + + } + + if ( extension === null ) { + + console.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' ); + + } + + extensions[ name ] = extension; + + return extension; + + } + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLGeometries( gl, attributes, info ) { + + var geometries = new WeakMap(); + var wireframeAttributes = new WeakMap(); + + function onGeometryDispose( event ) { + + var geometry = event.target; + var buffergeometry = geometries.get( geometry ); + + if ( buffergeometry.index !== null ) { + + attributes.remove( buffergeometry.index ); + + } + + for ( var name in buffergeometry.attributes ) { + + attributes.remove( buffergeometry.attributes[ name ] ); + + } + + geometry.removeEventListener( 'dispose', onGeometryDispose ); + + geometries.delete( geometry ); + + var attribute = wireframeAttributes.get( buffergeometry ); + + if ( attribute ) { + + attributes.remove( attribute ); + wireframeAttributes.delete( buffergeometry ); + + } + + // + + info.memory.geometries --; + + } + + function get( object, geometry ) { + + var buffergeometry = geometries.get( geometry ); + + if ( buffergeometry ) return buffergeometry; + + geometry.addEventListener( 'dispose', onGeometryDispose ); + + if ( geometry.isBufferGeometry ) { + + buffergeometry = geometry; + + } else if ( geometry.isGeometry ) { + + if ( geometry._bufferGeometry === undefined ) { + + geometry._bufferGeometry = new BufferGeometry().setFromObject( object ); + + } + + buffergeometry = geometry._bufferGeometry; + + } + + geometries.set( geometry, buffergeometry ); + + info.memory.geometries ++; + + return buffergeometry; + + } + + function update( geometry ) { + + var index = geometry.index; + var geometryAttributes = geometry.attributes; + + if ( index !== null ) { + + attributes.update( index, 34963 ); + + } + + for ( var name in geometryAttributes ) { + + attributes.update( geometryAttributes[ name ], 34962 ); + + } + + // morph targets + + var morphAttributes = geometry.morphAttributes; + + for ( var name in morphAttributes ) { + + var array = morphAttributes[ name ]; + + for ( var i = 0, l = array.length; i < l; i ++ ) { + + attributes.update( array[ i ], 34962 ); + + } + + } + + } + + function updateWireframeAttribute( geometry ) { + + var indices = []; + + var geometryIndex = geometry.index; + var geometryPosition = geometry.attributes.position; + var version = 0; + + if ( geometryIndex !== null ) { + + var array = geometryIndex.array; + version = geometryIndex.version; + + for ( var i = 0, l = array.length; i < l; i += 3 ) { + + var a = array[ i + 0 ]; + var b = array[ i + 1 ]; + var c = array[ i + 2 ]; + + indices.push( a, b, b, c, c, a ); + + } + + } else { + + var array = geometryPosition.array; + version = geometryPosition.version; + + for ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) { + + var a = i + 0; + var b = i + 1; + var c = i + 2; + + indices.push( a, b, b, c, c, a ); + + } + + } + + var attribute = new ( arrayMax( indices ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 ); + attribute.version = version; + + attributes.update( attribute, 34963 ); + + // + + var previousAttribute = wireframeAttributes.get( geometry ); + + if ( previousAttribute ) attributes.remove( previousAttribute ); + + // + + wireframeAttributes.set( geometry, attribute ); + + } + + function getWireframeAttribute( geometry ) { + + var currentAttribute = wireframeAttributes.get( geometry ); + + if ( currentAttribute ) { + + var geometryIndex = geometry.index; + + if ( geometryIndex !== null ) { + + // if the attribute is obsolete, create a new one + + if ( currentAttribute.version < geometryIndex.version ) { + + updateWireframeAttribute( geometry ); + + } + + } + + } else { + + updateWireframeAttribute( geometry ); + + } + + return wireframeAttributes.get( geometry ); + + } + + return { + + get: get, + update: update, + + getWireframeAttribute: getWireframeAttribute + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLIndexedBufferRenderer( gl, extensions, info, capabilities ) { + + var isWebGL2 = capabilities.isWebGL2; + + var mode; + + function setMode( value ) { + + mode = value; + + } + + var type, bytesPerElement; + + function setIndex( value ) { + + type = value.type; + bytesPerElement = value.bytesPerElement; + + } + + function render( start, count ) { + + gl.drawElements( mode, count, type, start * bytesPerElement ); + + info.update( count, mode ); + + } + + function renderInstances( geometry, start, count, primcount ) { + + if ( primcount === 0 ) return; + + var extension, methodName; + + if ( isWebGL2 ) { + + extension = gl; + methodName = 'drawElementsInstanced'; + + } else { + + extension = extensions.get( 'ANGLE_instanced_arrays' ); + methodName = 'drawElementsInstancedANGLE'; + + if ( extension === null ) { + + console.error( 'THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; + + } + + } + + extension[ methodName ]( mode, count, type, start * bytesPerElement, primcount ); + + info.update( count, mode, primcount ); + + } + + // + + this.setMode = setMode; + this.setIndex = setIndex; + this.render = render; + this.renderInstances = renderInstances; + +} + +/** + * @author Mugen87 / https://github.com/Mugen87 + */ + +function WebGLInfo( gl ) { + + var memory = { + geometries: 0, + textures: 0 + }; + + var render = { + frame: 0, + calls: 0, + triangles: 0, + points: 0, + lines: 0 + }; + + function update( count, mode, instanceCount ) { + + instanceCount = instanceCount || 1; + + render.calls ++; + + switch ( mode ) { + + case 4: + render.triangles += instanceCount * ( count / 3 ); + break; + + case 1: + render.lines += instanceCount * ( count / 2 ); + break; + + case 3: + render.lines += instanceCount * ( count - 1 ); + break; + + case 2: + render.lines += instanceCount * count; + break; + + case 0: + render.points += instanceCount * count; + break; + + default: + console.error( 'THREE.WebGLInfo: Unknown draw mode:', mode ); + break; + + } + + } + + function reset() { + + render.frame ++; + render.calls = 0; + render.triangles = 0; + render.points = 0; + render.lines = 0; + + } + + return { + memory: memory, + render: render, + programs: null, + autoReset: true, + reset: reset, + update: update + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function absNumericalSort( a, b ) { + + return Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] ); + +} + +function WebGLMorphtargets( gl ) { + + var influencesList = {}; + var morphInfluences = new Float32Array( 8 ); + + function update( object, geometry, material, program ) { + + var objectInfluences = object.morphTargetInfluences; + + // When object doesn't have morph target influences defined, we treat it as a 0-length array + // This is important to make sure we set up morphTargetBaseInfluence / morphTargetInfluences + + var length = objectInfluences === undefined ? 0 : objectInfluences.length; + + var influences = influencesList[ geometry.id ]; + + if ( influences === undefined ) { + + // initialise list + + influences = []; + + for ( var i = 0; i < length; i ++ ) { + + influences[ i ] = [ i, 0 ]; + + } + + influencesList[ geometry.id ] = influences; + + } + + var morphTargets = material.morphTargets && geometry.morphAttributes.position; + var morphNormals = material.morphNormals && geometry.morphAttributes.normal; + + // Remove current morphAttributes + + for ( var i = 0; i < length; i ++ ) { + + var influence = influences[ i ]; + + if ( influence[ 1 ] !== 0 ) { + + if ( morphTargets ) geometry.deleteAttribute( 'morphTarget' + i ); + if ( morphNormals ) geometry.deleteAttribute( 'morphNormal' + i ); + + } + + } + + // Collect influences + + for ( var i = 0; i < length; i ++ ) { + + var influence = influences[ i ]; + + influence[ 0 ] = i; + influence[ 1 ] = objectInfluences[ i ]; + + } + + influences.sort( absNumericalSort ); + + // Add morphAttributes + + var morphInfluencesSum = 0; + + for ( var i = 0; i < 8; i ++ ) { + + var influence = influences[ i ]; + + if ( influence ) { + + var index = influence[ 0 ]; + var value = influence[ 1 ]; + + if ( value ) { + + if ( morphTargets ) geometry.setAttribute( 'morphTarget' + i, morphTargets[ index ] ); + if ( morphNormals ) geometry.setAttribute( 'morphNormal' + i, morphNormals[ index ] ); + + morphInfluences[ i ] = value; + morphInfluencesSum += value; + continue; + + } + + } + + morphInfluences[ i ] = 0; + + } + + // GLSL shader uses formula baseinfluence * base + sum(target * influence) + // This allows us to switch between absolute morphs and relative morphs without changing shader code + // When baseinfluence = 1 - sum(influence), the above is equivalent to sum((target - base) * influence) + var morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum; + + program.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence ); + program.getUniforms().setValue( gl, 'morphTargetInfluences', morphInfluences ); + + } + + return { + + update: update + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLObjects( gl, geometries, attributes, info ) { + + var updateMap = new WeakMap(); + + function update( object ) { + + var frame = info.render.frame; + + var geometry = object.geometry; + var buffergeometry = geometries.get( object, geometry ); + + // Update once per frame + + if ( updateMap.get( buffergeometry ) !== frame ) { + + if ( geometry.isGeometry ) { + + buffergeometry.updateFromObject( object ); + + } + + geometries.update( buffergeometry ); + + updateMap.set( buffergeometry, frame ); + + } + + if ( object.isInstancedMesh ) { + + attributes.update( object.instanceMatrix, 34962 ); + + } + + return buffergeometry; + + } + + function dispose() { + + updateMap = new WeakMap(); + + } + + return { + + update: update, + dispose: dispose + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { + + images = images !== undefined ? images : []; + mapping = mapping !== undefined ? mapping : CubeReflectionMapping; + format = format !== undefined ? format : RGBFormat; + + Texture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + + this.flipY = false; + +} + +CubeTexture.prototype = Object.create( Texture.prototype ); +CubeTexture.prototype.constructor = CubeTexture; + +CubeTexture.prototype.isCubeTexture = true; + +Object.defineProperty( CubeTexture.prototype, 'images', { + + get: function () { + + return this.image; + + }, + + set: function ( value ) { + + this.image = value; + + } + +} ); + +/** + * @author Takahiro https://github.com/takahirox + */ + +function DataTexture2DArray( data, width, height, depth ) { + + Texture.call( this, null ); + + this.image = { data: data || null, width: width || 1, height: height || 1, depth: depth || 1 }; + + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + + this.wrapR = ClampToEdgeWrapping; + + this.generateMipmaps = false; + this.flipY = false; + + this.needsUpdate = true; + +} + +DataTexture2DArray.prototype = Object.create( Texture.prototype ); +DataTexture2DArray.prototype.constructor = DataTexture2DArray; +DataTexture2DArray.prototype.isDataTexture2DArray = true; + +/** + * @author Artur Trzesiok + */ + +function DataTexture3D( data, width, height, depth ) { + + // We're going to add .setXXX() methods for setting properties later. + // Users can still set in DataTexture3D directly. + // + // var texture = new THREE.DataTexture3D( data, width, height, depth ); + // texture.anisotropy = 16; + // + // See #14839 + + Texture.call( this, null ); + + this.image = { data: data || null, width: width || 1, height: height || 1, depth: depth || 1 }; + + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + + this.wrapR = ClampToEdgeWrapping; + + this.generateMipmaps = false; + this.flipY = false; + + this.needsUpdate = true; + + +} + +DataTexture3D.prototype = Object.create( Texture.prototype ); +DataTexture3D.prototype.constructor = DataTexture3D; +DataTexture3D.prototype.isDataTexture3D = true; + +/** + * @author tschw + * @author Mugen87 / https://github.com/Mugen87 + * @author mrdoob / http://mrdoob.com/ + * + * Uniforms of a program. + * Those form a tree structure with a special top-level container for the root, + * which you get by calling 'new WebGLUniforms( gl, program )'. + * + * + * Properties of inner nodes including the top-level container: + * + * .seq - array of nested uniforms + * .map - nested uniforms by name + * + * + * Methods of all nodes except the top-level container: + * + * .setValue( gl, value, [textures] ) + * + * uploads a uniform value(s) + * the 'textures' parameter is needed for sampler uniforms + * + * + * Static methods of the top-level container (textures factorizations): + * + * .upload( gl, seq, values, textures ) + * + * sets uniforms in 'seq' to 'values[id].value' + * + * .seqWithValue( seq, values ) : filteredSeq + * + * filters 'seq' entries with corresponding entry in values + * + * + * Methods of the top-level container (textures factorizations): + * + * .setValue( gl, name, value, textures ) + * + * sets uniform with name 'name' to 'value' + * + * .setOptional( gl, obj, prop ) + * + * like .set for an optional property of the object + * + */ + +var emptyTexture = new Texture(); +var emptyTexture2dArray = new DataTexture2DArray(); +var emptyTexture3d = new DataTexture3D(); +var emptyCubeTexture = new CubeTexture(); + +// --- Utilities --- + +// Array Caches (provide typed arrays for temporary by size) + +var arrayCacheF32 = []; +var arrayCacheI32 = []; + +// Float32Array caches used for uploading Matrix uniforms + +var mat4array = new Float32Array( 16 ); +var mat3array = new Float32Array( 9 ); +var mat2array = new Float32Array( 4 ); + +// Flattening for arrays of vectors and matrices + +function flatten( array, nBlocks, blockSize ) { + + var firstElem = array[ 0 ]; + + if ( firstElem <= 0 || firstElem > 0 ) return array; + // unoptimized: ! isNaN( firstElem ) + // see http://jacksondunstan.com/articles/983 + + var n = nBlocks * blockSize, + r = arrayCacheF32[ n ]; + + if ( r === undefined ) { + + r = new Float32Array( n ); + arrayCacheF32[ n ] = r; + + } + + if ( nBlocks !== 0 ) { + + firstElem.toArray( r, 0 ); + + for ( var i = 1, offset = 0; i !== nBlocks; ++ i ) { + + offset += blockSize; + array[ i ].toArray( r, offset ); + + } + + } + + return r; + +} + +function arraysEqual( a, b ) { + + if ( a.length !== b.length ) return false; + + for ( var i = 0, l = a.length; i < l; i ++ ) { + + if ( a[ i ] !== b[ i ] ) return false; + + } + + return true; + +} + +function copyArray( a, b ) { + + for ( var i = 0, l = b.length; i < l; i ++ ) { + + a[ i ] = b[ i ]; + + } + +} + +// Texture unit allocation + +function allocTexUnits( textures, n ) { + + var r = arrayCacheI32[ n ]; + + if ( r === undefined ) { + + r = new Int32Array( n ); + arrayCacheI32[ n ] = r; + + } + + for ( var i = 0; i !== n; ++ i ) + r[ i ] = textures.allocateTextureUnit(); + + return r; + +} + +// --- Setters --- + +// Note: Defining these methods externally, because they come in a bunch +// and this way their names minify. + +// Single scalar + +function setValueV1f( gl, v ) { + + var cache = this.cache; + + if ( cache[ 0 ] === v ) return; + + gl.uniform1f( this.addr, v ); + + cache[ 0 ] = v; + +} + +// Single float vector (from flat array or THREE.VectorN) + +function setValueV2f( gl, v ) { + + var cache = this.cache; + + if ( v.x !== undefined ) { + + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) { + + gl.uniform2f( this.addr, v.x, v.y ); + + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + + } + + } else { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform2fv( this.addr, v ); + + copyArray( cache, v ); + + } + +} + +function setValueV3f( gl, v ) { + + var cache = this.cache; + + if ( v.x !== undefined ) { + + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) { + + gl.uniform3f( this.addr, v.x, v.y, v.z ); + + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + cache[ 2 ] = v.z; + + } + + } else if ( v.r !== undefined ) { + + if ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) { + + gl.uniform3f( this.addr, v.r, v.g, v.b ); + + cache[ 0 ] = v.r; + cache[ 1 ] = v.g; + cache[ 2 ] = v.b; + + } + + } else { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform3fv( this.addr, v ); + + copyArray( cache, v ); + + } + +} + +function setValueV4f( gl, v ) { + + var cache = this.cache; + + if ( v.x !== undefined ) { + + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) { + + gl.uniform4f( this.addr, v.x, v.y, v.z, v.w ); + + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + cache[ 2 ] = v.z; + cache[ 3 ] = v.w; + + } + + } else { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform4fv( this.addr, v ); + + copyArray( cache, v ); + + } + +} + +// Single matrix (from flat array or MatrixN) + +function setValueM2( gl, v ) { + + var cache = this.cache; + var elements = v.elements; + + if ( elements === undefined ) { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniformMatrix2fv( this.addr, false, v ); + + copyArray( cache, v ); + + } else { + + if ( arraysEqual( cache, elements ) ) return; + + mat2array.set( elements ); + + gl.uniformMatrix2fv( this.addr, false, mat2array ); + + copyArray( cache, elements ); + + } + +} + +function setValueM3( gl, v ) { + + var cache = this.cache; + var elements = v.elements; + + if ( elements === undefined ) { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniformMatrix3fv( this.addr, false, v ); + + copyArray( cache, v ); + + } else { + + if ( arraysEqual( cache, elements ) ) return; + + mat3array.set( elements ); + + gl.uniformMatrix3fv( this.addr, false, mat3array ); + + copyArray( cache, elements ); + + } + +} + +function setValueM4( gl, v ) { + + var cache = this.cache; + var elements = v.elements; + + if ( elements === undefined ) { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniformMatrix4fv( this.addr, false, v ); + + copyArray( cache, v ); + + } else { + + if ( arraysEqual( cache, elements ) ) return; + + mat4array.set( elements ); + + gl.uniformMatrix4fv( this.addr, false, mat4array ); + + copyArray( cache, elements ); + + } + +} + +// Single texture (2D / Cube) + +function setValueT1( gl, v, textures ) { + + var cache = this.cache; + var unit = textures.allocateTextureUnit(); + + if ( cache[ 0 ] !== unit ) { + + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + + } + + textures.safeSetTexture2D( v || emptyTexture, unit ); + +} + +function setValueT2DArray1( gl, v, textures ) { + + var cache = this.cache; + var unit = textures.allocateTextureUnit(); + + if ( cache[ 0 ] !== unit ) { + + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + + } + + textures.setTexture2DArray( v || emptyTexture2dArray, unit ); + +} + +function setValueT3D1( gl, v, textures ) { + + var cache = this.cache; + var unit = textures.allocateTextureUnit(); + + if ( cache[ 0 ] !== unit ) { + + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + + } + + textures.setTexture3D( v || emptyTexture3d, unit ); + +} + +function setValueT6( gl, v, textures ) { + + var cache = this.cache; + var unit = textures.allocateTextureUnit(); + + if ( cache[ 0 ] !== unit ) { + + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + + } + + textures.safeSetTextureCube( v || emptyCubeTexture, unit ); + +} + +// Integer / Boolean vectors or arrays thereof (always flat arrays) + +function setValueV1i( gl, v ) { + + var cache = this.cache; + + if ( cache[ 0 ] === v ) return; + + gl.uniform1i( this.addr, v ); + + cache[ 0 ] = v; + +} + +function setValueV2i( gl, v ) { + + var cache = this.cache; + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform2iv( this.addr, v ); + + copyArray( cache, v ); + +} + +function setValueV3i( gl, v ) { + + var cache = this.cache; + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform3iv( this.addr, v ); + + copyArray( cache, v ); + +} + +function setValueV4i( gl, v ) { + + var cache = this.cache; + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform4iv( this.addr, v ); + + copyArray( cache, v ); + +} + +// uint + +function setValueV1ui( gl, v ) { + + var cache = this.cache; + + if ( cache[ 0 ] === v ) return; + + gl.uniform1ui( this.addr, v ); + + cache[ 0 ] = v; + +} + +// Helper to pick the right setter for the singular case + +function getSingularSetter( type ) { + + switch ( type ) { + + case 0x1406: return setValueV1f; // FLOAT + case 0x8b50: return setValueV2f; // _VEC2 + case 0x8b51: return setValueV3f; // _VEC3 + case 0x8b52: return setValueV4f; // _VEC4 + + case 0x8b5a: return setValueM2; // _MAT2 + case 0x8b5b: return setValueM3; // _MAT3 + case 0x8b5c: return setValueM4; // _MAT4 + + case 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL + case 0x8b53: case 0x8b57: return setValueV2i; // _VEC2 + case 0x8b54: case 0x8b58: return setValueV3i; // _VEC3 + case 0x8b55: case 0x8b59: return setValueV4i; // _VEC4 + + case 0x1405: return setValueV1ui; // UINT + + case 0x8b5e: // SAMPLER_2D + case 0x8d66: // SAMPLER_EXTERNAL_OES + case 0x8dca: // INT_SAMPLER_2D + case 0x8dd2: // UNSIGNED_INT_SAMPLER_2D + case 0x8b62: // SAMPLER_2D_SHADOW + return setValueT1; + + case 0x8b5f: // SAMPLER_3D + case 0x8dcb: // INT_SAMPLER_3D + case 0x8dd3: // UNSIGNED_INT_SAMPLER_3D + return setValueT3D1; + + case 0x8b60: // SAMPLER_CUBE + case 0x8dcc: // INT_SAMPLER_CUBE + case 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE + case 0x8dc5: // SAMPLER_CUBE_SHADOW + return setValueT6; + + case 0x8dc1: // SAMPLER_2D_ARRAY + case 0x8dcf: // INT_SAMPLER_2D_ARRAY + case 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY + case 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW + return setValueT2DArray1; + + } + +} + +// Array of scalars +function setValueV1fArray( gl, v ) { + + gl.uniform1fv( this.addr, v ); + +} + +// Integer / Boolean vectors or arrays thereof (always flat arrays) +function setValueV1iArray( gl, v ) { + + gl.uniform1iv( this.addr, v ); + +} + +function setValueV2iArray( gl, v ) { + + gl.uniform2iv( this.addr, v ); + +} + +function setValueV3iArray( gl, v ) { + + gl.uniform3iv( this.addr, v ); + +} + +function setValueV4iArray( gl, v ) { + + gl.uniform4iv( this.addr, v ); + +} + + +// Array of vectors (flat or from THREE classes) + +function setValueV2fArray( gl, v ) { + + var data = flatten( v, this.size, 2 ); + + gl.uniform2fv( this.addr, data ); + +} + +function setValueV3fArray( gl, v ) { + + var data = flatten( v, this.size, 3 ); + + gl.uniform3fv( this.addr, data ); + +} + +function setValueV4fArray( gl, v ) { + + var data = flatten( v, this.size, 4 ); + + gl.uniform4fv( this.addr, data ); + +} + +// Array of matrices (flat or from THREE clases) + +function setValueM2Array( gl, v ) { + + var data = flatten( v, this.size, 4 ); + + gl.uniformMatrix2fv( this.addr, false, data ); + +} + +function setValueM3Array( gl, v ) { + + var data = flatten( v, this.size, 9 ); + + gl.uniformMatrix3fv( this.addr, false, data ); + +} + +function setValueM4Array( gl, v ) { + + var data = flatten( v, this.size, 16 ); + + gl.uniformMatrix4fv( this.addr, false, data ); + +} + +// Array of textures (2D / Cube) + +function setValueT1Array( gl, v, textures ) { + + var n = v.length; + + var units = allocTexUnits( textures, n ); + + gl.uniform1iv( this.addr, units ); + + for ( var i = 0; i !== n; ++ i ) { + + textures.safeSetTexture2D( v[ i ] || emptyTexture, units[ i ] ); + + } + +} + +function setValueT6Array( gl, v, textures ) { + + var n = v.length; + + var units = allocTexUnits( textures, n ); + + gl.uniform1iv( this.addr, units ); + + for ( var i = 0; i !== n; ++ i ) { + + textures.safeSetTextureCube( v[ i ] || emptyCubeTexture, units[ i ] ); + + } + +} + +// Helper to pick the right setter for a pure (bottom-level) array + +function getPureArraySetter( type ) { + + switch ( type ) { + + case 0x1406: return setValueV1fArray; // FLOAT + case 0x8b50: return setValueV2fArray; // _VEC2 + case 0x8b51: return setValueV3fArray; // _VEC3 + case 0x8b52: return setValueV4fArray; // _VEC4 + + case 0x8b5a: return setValueM2Array; // _MAT2 + case 0x8b5b: return setValueM3Array; // _MAT3 + case 0x8b5c: return setValueM4Array; // _MAT4 + + case 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL + case 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2 + case 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3 + case 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4 + + case 0x8b5e: // SAMPLER_2D + case 0x8d66: // SAMPLER_EXTERNAL_OES + case 0x8dca: // INT_SAMPLER_2D + case 0x8dd2: // UNSIGNED_INT_SAMPLER_2D + case 0x8b62: // SAMPLER_2D_SHADOW + return setValueT1Array; + + case 0x8b60: // SAMPLER_CUBE + case 0x8dcc: // INT_SAMPLER_CUBE + case 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE + case 0x8dc5: // SAMPLER_CUBE_SHADOW + return setValueT6Array; + + } + +} + +// --- Uniform Classes --- + +function SingleUniform( id, activeInfo, addr ) { + + this.id = id; + this.addr = addr; + this.cache = []; + this.setValue = getSingularSetter( activeInfo.type ); + + // this.path = activeInfo.name; // DEBUG + +} + +function PureArrayUniform( id, activeInfo, addr ) { + + this.id = id; + this.addr = addr; + this.cache = []; + this.size = activeInfo.size; + this.setValue = getPureArraySetter( activeInfo.type ); + + // this.path = activeInfo.name; // DEBUG + +} + +PureArrayUniform.prototype.updateCache = function ( data ) { + + var cache = this.cache; + + if ( data instanceof Float32Array && cache.length !== data.length ) { + + this.cache = new Float32Array( data.length ); + + } + + copyArray( cache, data ); + +}; + +function StructuredUniform( id ) { + + this.id = id; + + this.seq = []; + this.map = {}; + +} + +StructuredUniform.prototype.setValue = function ( gl, value, textures ) { + + var seq = this.seq; + + for ( var i = 0, n = seq.length; i !== n; ++ i ) { + + var u = seq[ i ]; + u.setValue( gl, value[ u.id ], textures ); + + } + +}; + +// --- Top-level --- + +// Parser - builds up the property tree from the path strings + +var RePathPart = /([\w\d_]+)(\])?(\[|\.)?/g; + +// extracts +// - the identifier (member name or array index) +// - followed by an optional right bracket (found when array index) +// - followed by an optional left bracket or dot (type of subscript) +// +// Note: These portions can be read in a non-overlapping fashion and +// allow straightforward parsing of the hierarchy that WebGL encodes +// in the uniform names. + +function addUniform( container, uniformObject ) { + + container.seq.push( uniformObject ); + container.map[ uniformObject.id ] = uniformObject; + +} + +function parseUniform( activeInfo, addr, container ) { + + var path = activeInfo.name, + pathLength = path.length; + + // reset RegExp object, because of the early exit of a previous run + RePathPart.lastIndex = 0; + + while ( true ) { + + var match = RePathPart.exec( path ), + matchEnd = RePathPart.lastIndex, + + id = match[ 1 ], + idIsIndex = match[ 2 ] === ']', + subscript = match[ 3 ]; + + if ( idIsIndex ) id = id | 0; // convert to integer + + if ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) { + + // bare name or "pure" bottom-level array "[0]" suffix + + addUniform( container, subscript === undefined ? + new SingleUniform( id, activeInfo, addr ) : + new PureArrayUniform( id, activeInfo, addr ) ); + + break; + + } else { + + // step into inner node / create it in case it doesn't exist + + var map = container.map, next = map[ id ]; + + if ( next === undefined ) { + + next = new StructuredUniform( id ); + addUniform( container, next ); + + } + + container = next; + + } + + } + +} + +// Root Container + +function WebGLUniforms( gl, program ) { + + this.seq = []; + this.map = {}; + + var n = gl.getProgramParameter( program, 35718 ); + + for ( var i = 0; i < n; ++ i ) { + + var info = gl.getActiveUniform( program, i ), + addr = gl.getUniformLocation( program, info.name ); + + parseUniform( info, addr, this ); + + } + +} + +WebGLUniforms.prototype.setValue = function ( gl, name, value, textures ) { + + var u = this.map[ name ]; + + if ( u !== undefined ) u.setValue( gl, value, textures ); + +}; + +WebGLUniforms.prototype.setOptional = function ( gl, object, name ) { + + var v = object[ name ]; + + if ( v !== undefined ) this.setValue( gl, name, v ); + +}; + + +// Static interface + +WebGLUniforms.upload = function ( gl, seq, values, textures ) { + + for ( var i = 0, n = seq.length; i !== n; ++ i ) { + + var u = seq[ i ], + v = values[ u.id ]; + + if ( v.needsUpdate !== false ) { + + // note: always updating when .needsUpdate is undefined + u.setValue( gl, v.value, textures ); + + } + + } + +}; + +WebGLUniforms.seqWithValue = function ( seq, values ) { + + var r = []; + + for ( var i = 0, n = seq.length; i !== n; ++ i ) { + + var u = seq[ i ]; + if ( u.id in values ) r.push( u ); + + } + + return r; + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLShader( gl, type, string ) { + + var shader = gl.createShader( type ); + + gl.shaderSource( shader, string ); + gl.compileShader( shader ); + + return shader; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var programIdCount = 0; + +function addLineNumbers( string ) { + + var lines = string.split( '\n' ); + + for ( var i = 0; i < lines.length; i ++ ) { + + lines[ i ] = ( i + 1 ) + ': ' + lines[ i ]; + + } + + return lines.join( '\n' ); + +} + +function getEncodingComponents( encoding ) { + + switch ( encoding ) { + + case LinearEncoding: + return [ 'Linear', '( value )' ]; + case sRGBEncoding: + return [ 'sRGB', '( value )' ]; + case RGBEEncoding: + return [ 'RGBE', '( value )' ]; + case RGBM7Encoding: + return [ 'RGBM', '( value, 7.0 )' ]; + case RGBM16Encoding: + return [ 'RGBM', '( value, 16.0 )' ]; + case RGBDEncoding: + return [ 'RGBD', '( value, 256.0 )' ]; + case GammaEncoding: + return [ 'Gamma', '( value, float( GAMMA_FACTOR ) )' ]; + case LogLuvEncoding: + return [ 'LogLuv', '( value )' ]; + default: + throw new Error( 'unsupported encoding: ' + encoding ); + + } + +} + +function getShaderErrors( gl, shader, type ) { + + var status = gl.getShaderParameter( shader, 35713 ); + var log = gl.getShaderInfoLog( shader ).trim(); + + if ( status && log === '' ) return ''; + + // --enable-privileged-webgl-extension + // console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) ); + + var source = gl.getShaderSource( shader ); + + return 'THREE.WebGLShader: gl.getShaderInfoLog() ' + type + '\n' + log + addLineNumbers( source ); + +} + +function getTexelDecodingFunction( functionName, encoding ) { + + var components = getEncodingComponents( encoding ); + return 'vec4 ' + functionName + '( vec4 value ) { return ' + components[ 0 ] + 'ToLinear' + components[ 1 ] + '; }'; + +} + +function getTexelEncodingFunction( functionName, encoding ) { + + var components = getEncodingComponents( encoding ); + return 'vec4 ' + functionName + '( vec4 value ) { return LinearTo' + components[ 0 ] + components[ 1 ] + '; }'; + +} + +function getToneMappingFunction( functionName, toneMapping ) { + + var toneMappingName; + + switch ( toneMapping ) { + + case LinearToneMapping: + toneMappingName = 'Linear'; + break; + + case ReinhardToneMapping: + toneMappingName = 'Reinhard'; + break; + + case Uncharted2ToneMapping: + toneMappingName = 'Uncharted2'; + break; + + case CineonToneMapping: + toneMappingName = 'OptimizedCineon'; + break; + + case ACESFilmicToneMapping: + toneMappingName = 'ACESFilmic'; + break; + + default: + throw new Error( 'unsupported toneMapping: ' + toneMapping ); + + } + + return 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }'; + +} + +function generateExtensions( parameters ) { + + var chunks = [ + ( parameters.extensionDerivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.tangentSpaceNormalMap || parameters.clearcoatNormalMap || parameters.flatShading || parameters.shaderID === 'physical' ) ? '#extension GL_OES_standard_derivatives : enable' : '', + ( parameters.extensionFragDepth || parameters.logarithmicDepthBuffer ) && parameters.rendererExtensionFragDepth ? '#extension GL_EXT_frag_depth : enable' : '', + ( parameters.extensionDrawBuffers && parameters.rendererExtensionDrawBuffers ) ? '#extension GL_EXT_draw_buffers : require' : '', + ( parameters.extensionShaderTextureLOD || parameters.envMap ) && parameters.rendererExtensionShaderTextureLod ? '#extension GL_EXT_shader_texture_lod : enable' : '' + ]; + + return chunks.filter( filterEmptyLine ).join( '\n' ); + +} + +function generateDefines( defines ) { + + var chunks = []; + + for ( var name in defines ) { + + var value = defines[ name ]; + + if ( value === false ) continue; + + chunks.push( '#define ' + name + ' ' + value ); + + } + + return chunks.join( '\n' ); + +} + +function fetchAttributeLocations( gl, program ) { + + var attributes = {}; + + var n = gl.getProgramParameter( program, 35721 ); + + for ( var i = 0; i < n; i ++ ) { + + var info = gl.getActiveAttrib( program, i ); + var name = info.name; + + // console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i ); + + attributes[ name ] = gl.getAttribLocation( program, name ); + + } + + return attributes; + +} + +function filterEmptyLine( string ) { + + return string !== ''; + +} + +function replaceLightNums( string, parameters ) { + + return string + .replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights ) + .replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights ) + .replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights ) + .replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights ) + .replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights ) + .replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows ) + .replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows ) + .replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows ); + +} + +function replaceClippingPlaneNums( string, parameters ) { + + return string + .replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes ) + .replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) ); + +} + +// Resolve Includes + +var includePattern = /^[ \t]*#include +<([\w\d./]+)>/gm; + +function resolveIncludes( string ) { + + return string.replace( includePattern, includeReplacer ); + +} + +function includeReplacer( match, include ) { + + var string = ShaderChunk[ include ]; + + if ( string === undefined ) { + + throw new Error( 'Can not resolve #include <' + include + '>' ); + + } + + return resolveIncludes( string ); + +} + +// Unroll Loops + +var loopPattern = /#pragma unroll_loop[\s]+?for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g; + +function unrollLoops( string ) { + + return string.replace( loopPattern, loopReplacer ); + +} + +function loopReplacer( match, start, end, snippet ) { + + var string = ''; + + for ( var i = parseInt( start ); i < parseInt( end ); i ++ ) { + + string += snippet + .replace( /\[ i \]/g, '[ ' + i + ' ]' ) + .replace( /UNROLLED_LOOP_INDEX/g, i ); + + } + + return string; + +} + +// + +function generatePrecision( parameters ) { + + var precisionstring = "precision " + parameters.precision + " float;\nprecision " + parameters.precision + " int;"; + + if ( parameters.precision === "highp" ) { + + precisionstring += "\n#define HIGH_PRECISION"; + + } else if ( parameters.precision === "mediump" ) { + + precisionstring += "\n#define MEDIUM_PRECISION"; + + } else if ( parameters.precision === "lowp" ) { + + precisionstring += "\n#define LOW_PRECISION"; + + } + + return precisionstring; + +} + +function generateShadowMapTypeDefine( parameters ) { + + var shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC'; + + if ( parameters.shadowMapType === PCFShadowMap ) { + + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF'; + + } else if ( parameters.shadowMapType === PCFSoftShadowMap ) { + + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT'; + + } else if ( parameters.shadowMapType === VSMShadowMap ) { + + shadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM'; + + } + + return shadowMapTypeDefine; + +} + +function generateEnvMapTypeDefine( parameters ) { + + var envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + + if ( parameters.envMap ) { + + switch ( parameters.envMapMode ) { + + case CubeReflectionMapping: + case CubeRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + break; + + case CubeUVReflectionMapping: + case CubeUVRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV'; + break; + + case EquirectangularReflectionMapping: + case EquirectangularRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_EQUIREC'; + break; + + case SphericalReflectionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_SPHERE'; + break; + + } + + } + + return envMapTypeDefine; + +} + +function generateEnvMapModeDefine( parameters ) { + + var envMapModeDefine = 'ENVMAP_MODE_REFLECTION'; + + if ( parameters.envMap ) { + + switch ( parameters.envMapMode ) { + + case CubeRefractionMapping: + case EquirectangularRefractionMapping: + envMapModeDefine = 'ENVMAP_MODE_REFRACTION'; + break; + + } + + } + + return envMapModeDefine; + +} + +function generateEnvMapBlendingDefine( parameters ) { + + var envMapBlendingDefine = 'ENVMAP_BLENDING_NONE'; + + if ( parameters.envMap ) { + + switch ( parameters.combine ) { + + case MultiplyOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; + break; + + case MixOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MIX'; + break; + + case AddOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_ADD'; + break; + + } + + } + + return envMapBlendingDefine; + +} + +function WebGLProgram( renderer, cacheKey, parameters ) { + + var gl = renderer.getContext(); + + var defines = parameters.defines; + + var vertexShader = parameters.vertexShader; + var fragmentShader = parameters.fragmentShader; + var shadowMapTypeDefine = generateShadowMapTypeDefine( parameters ); + var envMapTypeDefine = generateEnvMapTypeDefine( parameters ); + var envMapModeDefine = generateEnvMapModeDefine( parameters ); + var envMapBlendingDefine = generateEnvMapBlendingDefine( parameters ); + + + var gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0; + + var customExtensions = parameters.isWebGL2 ? '' : generateExtensions( parameters ); + + var customDefines = generateDefines( defines ); + + var program = gl.createProgram(); + + var prefixVertex, prefixFragment; + + if ( parameters.isRawShaderMaterial ) { + + prefixVertex = [ + + customDefines + + ].filter( filterEmptyLine ).join( '\n' ); + + if ( prefixVertex.length > 0 ) { + + prefixVertex += '\n'; + + } + + prefixFragment = [ + + customExtensions, + customDefines + + ].filter( filterEmptyLine ).join( '\n' ); + + if ( prefixFragment.length > 0 ) { + + prefixFragment += '\n'; + + } + + } else { + + prefixVertex = [ + + generatePrecision( parameters ), + + '#define SHADER_NAME ' + parameters.shaderName, + + customDefines, + + parameters.instancing ? '#define USE_INSTANCING' : '', + parameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '', + + '#define GAMMA_FACTOR ' + gammaFactorDefine, + + '#define MAX_BONES ' + parameters.maxBones, + ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', + ( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '', + + parameters.map ? '#define USE_MAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + ( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '', + ( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '', + + parameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '', + parameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '', + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + + parameters.vertexTangents ? '#define USE_TANGENT' : '', + parameters.vertexColors ? '#define USE_COLOR' : '', + parameters.vertexUvs ? '#define USE_UV' : '', + parameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '', + + parameters.flatShading ? '#define FLAT_SHADED' : '', + + parameters.skinning ? '#define USE_SKINNING' : '', + parameters.useVertexTexture ? '#define BONE_TEXTURE' : '', + + parameters.morphTargets ? '#define USE_MORPHTARGETS' : '', + parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '', + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', + + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + + parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '', + + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + ( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + + 'uniform mat4 modelMatrix;', + 'uniform mat4 modelViewMatrix;', + 'uniform mat4 projectionMatrix;', + 'uniform mat4 viewMatrix;', + 'uniform mat3 normalMatrix;', + 'uniform vec3 cameraPosition;', + 'uniform bool isOrthographic;', + + '#ifdef USE_INSTANCING', + + ' attribute mat4 instanceMatrix;', + + '#endif', + + 'attribute vec3 position;', + 'attribute vec3 normal;', + 'attribute vec2 uv;', + + '#ifdef USE_TANGENT', + + ' attribute vec4 tangent;', + + '#endif', + + '#ifdef USE_COLOR', + + ' attribute vec3 color;', + + '#endif', + + '#ifdef USE_MORPHTARGETS', + + ' attribute vec3 morphTarget0;', + ' attribute vec3 morphTarget1;', + ' attribute vec3 morphTarget2;', + ' attribute vec3 morphTarget3;', + + ' #ifdef USE_MORPHNORMALS', + + ' attribute vec3 morphNormal0;', + ' attribute vec3 morphNormal1;', + ' attribute vec3 morphNormal2;', + ' attribute vec3 morphNormal3;', + + ' #else', + + ' attribute vec3 morphTarget4;', + ' attribute vec3 morphTarget5;', + ' attribute vec3 morphTarget6;', + ' attribute vec3 morphTarget7;', + + ' #endif', + + '#endif', + + '#ifdef USE_SKINNING', + + ' attribute vec4 skinIndex;', + ' attribute vec4 skinWeight;', + + '#endif', + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); + + prefixFragment = [ + + customExtensions, + + generatePrecision( parameters ), + + '#define SHADER_NAME ' + parameters.shaderName, + + customDefines, + + parameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest + ( parameters.alphaTest % 1 ? '' : '.0' ) : '', // add '.0' if integer + + '#define GAMMA_FACTOR ' + gammaFactorDefine, + + ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', + ( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '', + + parameters.map ? '#define USE_MAP' : '', + parameters.matcap ? '#define USE_MATCAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapTypeDefine : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.envMap ? '#define ' + envMapBlendingDefine : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + ( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '', + ( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '', + parameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '', + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + + parameters.sheen ? '#define USE_SHEEN' : '', + + parameters.vertexTangents ? '#define USE_TANGENT' : '', + parameters.vertexColors ? '#define USE_COLOR' : '', + parameters.vertexUvs ? '#define USE_UV' : '', + parameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '', + + parameters.gradientMap ? '#define USE_GRADIENTMAP' : '', + + parameters.flatShading ? '#define FLAT_SHADED' : '', + + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', + + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + + parameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '', + + parameters.physicallyCorrectLights ? '#define PHYSICALLY_CORRECT_LIGHTS' : '', + + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + ( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + + ( ( parameters.extensionShaderTextureLOD || parameters.envMap ) && parameters.rendererExtensionShaderTextureLod ) ? '#define TEXTURE_LOD_EXT' : '', + + 'uniform mat4 viewMatrix;', + 'uniform vec3 cameraPosition;', + 'uniform bool isOrthographic;', + + ( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '', + ( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below + ( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '', + + parameters.dithering ? '#define DITHERING' : '', + + ( parameters.outputEncoding || parameters.mapEncoding || parameters.matcapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding || parameters.lightMapEncoding ) ? + ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below + parameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '', + parameters.matcapEncoding ? getTexelDecodingFunction( 'matcapTexelToLinear', parameters.matcapEncoding ) : '', + parameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '', + parameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '', + parameters.lightMapEncoding ? getTexelDecodingFunction( 'lightMapTexelToLinear', parameters.lightMapEncoding ) : '', + parameters.outputEncoding ? getTexelEncodingFunction( 'linearToOutputTexel', parameters.outputEncoding ) : '', + + parameters.depthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '', + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); + + } + + vertexShader = resolveIncludes( vertexShader ); + vertexShader = replaceLightNums( vertexShader, parameters ); + vertexShader = replaceClippingPlaneNums( vertexShader, parameters ); + + fragmentShader = resolveIncludes( fragmentShader ); + fragmentShader = replaceLightNums( fragmentShader, parameters ); + fragmentShader = replaceClippingPlaneNums( fragmentShader, parameters ); + + vertexShader = unrollLoops( vertexShader ); + fragmentShader = unrollLoops( fragmentShader ); + + if ( parameters.isWebGL2 && ! parameters.isRawShaderMaterial ) { + + var isGLSL3ShaderMaterial = false; + + var versionRegex = /^\s*#version\s+300\s+es\s*\n/; + + if ( parameters.isShaderMaterial && + vertexShader.match( versionRegex ) !== null && + fragmentShader.match( versionRegex ) !== null ) { + + isGLSL3ShaderMaterial = true; + + vertexShader = vertexShader.replace( versionRegex, '' ); + fragmentShader = fragmentShader.replace( versionRegex, '' ); + + } + + // GLSL 3.0 conversion + + prefixVertex = [ + '#version 300 es\n', + '#define attribute in', + '#define varying out', + '#define texture2D texture' + ].join( '\n' ) + '\n' + prefixVertex; + + prefixFragment = [ + '#version 300 es\n', + '#define varying in', + isGLSL3ShaderMaterial ? '' : 'out highp vec4 pc_fragColor;', + isGLSL3ShaderMaterial ? '' : '#define gl_FragColor pc_fragColor', + '#define gl_FragDepthEXT gl_FragDepth', + '#define texture2D texture', + '#define textureCube texture', + '#define texture2DProj textureProj', + '#define texture2DLodEXT textureLod', + '#define texture2DProjLodEXT textureProjLod', + '#define textureCubeLodEXT textureLod', + '#define texture2DGradEXT textureGrad', + '#define texture2DProjGradEXT textureProjGrad', + '#define textureCubeGradEXT textureGrad' + ].join( '\n' ) + '\n' + prefixFragment; + + } + + var vertexGlsl = prefixVertex + vertexShader; + var fragmentGlsl = prefixFragment + fragmentShader; + + // console.log( '*VERTEX*', vertexGlsl ); + // console.log( '*FRAGMENT*', fragmentGlsl ); + + var glVertexShader = WebGLShader( gl, 35633, vertexGlsl ); + var glFragmentShader = WebGLShader( gl, 35632, fragmentGlsl ); + + gl.attachShader( program, glVertexShader ); + gl.attachShader( program, glFragmentShader ); + + // Force a particular attribute to index 0. + + if ( parameters.index0AttributeName !== undefined ) { + + gl.bindAttribLocation( program, 0, parameters.index0AttributeName ); + + } else if ( parameters.morphTargets === true ) { + + // programs with morphTargets displace position out of attribute 0 + gl.bindAttribLocation( program, 0, 'position' ); + + } + + gl.linkProgram( program ); + + // check for link errors + if ( renderer.debug.checkShaderErrors ) { + + var programLog = gl.getProgramInfoLog( program ).trim(); + var vertexLog = gl.getShaderInfoLog( glVertexShader ).trim(); + var fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim(); + + var runnable = true; + var haveDiagnostics = true; + + if ( gl.getProgramParameter( program, 35714 ) === false ) { + + runnable = false; + + var vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' ); + var fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' ); + + console.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), '35715', gl.getProgramParameter( program, 35715 ), 'gl.getProgramInfoLog', programLog, vertexErrors, fragmentErrors ); + + } else if ( programLog !== '' ) { + + console.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog ); + + } else if ( vertexLog === '' || fragmentLog === '' ) { + + haveDiagnostics = false; + + } + + if ( haveDiagnostics ) { + + this.diagnostics = { + + runnable: runnable, + + programLog: programLog, + + vertexShader: { + + log: vertexLog, + prefix: prefixVertex + + }, + + fragmentShader: { + + log: fragmentLog, + prefix: prefixFragment + + } + + }; + + } + + } + + // clean up + + gl.detachShader( program, glVertexShader ); + gl.detachShader( program, glFragmentShader ); + + gl.deleteShader( glVertexShader ); + gl.deleteShader( glFragmentShader ); + + // set up caching for uniform locations + + var cachedUniforms; + + this.getUniforms = function () { + + if ( cachedUniforms === undefined ) { + + cachedUniforms = new WebGLUniforms( gl, program ); + + } + + return cachedUniforms; + + }; + + // set up caching for attribute locations + + var cachedAttributes; + + this.getAttributes = function () { + + if ( cachedAttributes === undefined ) { + + cachedAttributes = fetchAttributeLocations( gl, program ); + + } + + return cachedAttributes; + + }; + + // free resource + + this.destroy = function () { + + gl.deleteProgram( program ); + this.program = undefined; + + }; + + // + + this.name = parameters.shaderName; + this.id = programIdCount ++; + this.cacheKey = cacheKey; + this.usedTimes = 1; + this.program = program; + this.vertexShader = glVertexShader; + this.fragmentShader = glFragmentShader; + + return this; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLPrograms( renderer, extensions, capabilities ) { + + var programs = []; + + var isWebGL2 = capabilities.isWebGL2; + var logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer; + var floatVertexTextures = capabilities.floatVertexTextures; + var precision = capabilities.precision; + var maxVertexUniforms = capabilities.maxVertexUniforms; + var vertexTextures = capabilities.vertexTextures; + + var shaderIDs = { + MeshDepthMaterial: 'depth', + MeshDistanceMaterial: 'distanceRGBA', + MeshNormalMaterial: 'normal', + MeshBasicMaterial: 'basic', + MeshLambertMaterial: 'lambert', + MeshPhongMaterial: 'phong', + MeshToonMaterial: 'toon', + MeshStandardMaterial: 'physical', + MeshPhysicalMaterial: 'physical', + MeshMatcapMaterial: 'matcap', + LineBasicMaterial: 'basic', + LineDashedMaterial: 'dashed', + PointsMaterial: 'points', + ShadowMaterial: 'shadow', + SpriteMaterial: 'sprite' + }; + + var parameterNames = [ + "precision", "isWebGL2", "supportsVertexTextures", "outputEncoding", "instancing", + "map", "mapEncoding", "matcap", "matcapEncoding", "envMap", "envMapMode", "envMapEncoding", "envMapCubeUV", + "lightMap", "lightMapEncoding", "aoMap", "emissiveMap", "emissiveMapEncoding", "bumpMap", "normalMap", "objectSpaceNormalMap", "tangentSpaceNormalMap", "clearcoatNormalMap", "displacementMap", "specularMap", + "roughnessMap", "metalnessMap", "gradientMap", + "alphaMap", "combine", "vertexColors", "vertexTangents", "vertexUvs", "uvsVertexOnly", "fog", "useFog", "fogExp2", + "flatShading", "sizeAttenuation", "logarithmicDepthBuffer", "skinning", + "maxBones", "useVertexTexture", "morphTargets", "morphNormals", + "maxMorphTargets", "maxMorphNormals", "premultipliedAlpha", + "numDirLights", "numPointLights", "numSpotLights", "numHemiLights", "numRectAreaLights", + "numDirLightShadows", "numPointLightShadows", "numSpotLightShadows", + "shadowMapEnabled", "shadowMapType", "toneMapping", 'physicallyCorrectLights', + "alphaTest", "doubleSided", "flipSided", "numClippingPlanes", "numClipIntersection", "depthPacking", "dithering", + "sheen" + ]; + + function getShaderObject( material, shaderID ) { + + var shaderobject; + + if ( shaderID ) { + + var shader = ShaderLib[ shaderID ]; + + shaderobject = { + name: material.type, + uniforms: UniformsUtils.clone( shader.uniforms ), + vertexShader: shader.vertexShader, + fragmentShader: shader.fragmentShader + }; + + } else { + + shaderobject = { + name: material.type, + uniforms: material.uniforms, + vertexShader: material.vertexShader, + fragmentShader: material.fragmentShader + }; + + } + + return shaderobject; + + } + + function allocateBones( object ) { + + var skeleton = object.skeleton; + var bones = skeleton.bones; + + if ( floatVertexTextures ) { + + return 1024; + + } else { + + // default for when object is not specified + // ( for example when prebuilding shader to be used with multiple objects ) + // + // - leave some extra space for other uniforms + // - limit here is ANGLE's 254 max uniform vectors + // (up to 54 should be safe) + + var nVertexUniforms = maxVertexUniforms; + var nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 ); + + var maxBones = Math.min( nVertexMatrices, bones.length ); + + if ( maxBones < bones.length ) { + + console.warn( 'THREE.WebGLRenderer: Skeleton has ' + bones.length + ' bones. This GPU supports ' + maxBones + '.' ); + return 0; + + } + + return maxBones; + + } + + } + + function getTextureEncodingFromMap( map ) { + + var encoding; + + if ( ! map ) { + + encoding = LinearEncoding; + + } else if ( map.isTexture ) { + + encoding = map.encoding; + + } else if ( map.isWebGLRenderTarget ) { + + console.warn( "THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead." ); + encoding = map.texture.encoding; + + } + + return encoding; + + } + + this.getParameters = function ( material, lights, shadows, scene, nClipPlanes, nClipIntersection, object ) { + + var fog = scene.fog; + var environment = material.isMeshStandardMaterial ? scene.environment : null; + + var envMap = material.envMap || environment; + + var shaderID = shaderIDs[ material.type ]; + + // heuristics to create shader parameters according to lights in the scene + // (not to blow over maxLights budget) + + var maxBones = object.isSkinnedMesh ? allocateBones( object ) : 0; + + if ( material.precision !== null ) { + + precision = capabilities.getMaxPrecision( material.precision ); + + if ( precision !== material.precision ) { + + console.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' ); + + } + + } + + var shaderobject = getShaderObject( material, shaderID ); + material.onBeforeCompile( shaderobject, renderer ); + + var currentRenderTarget = renderer.getRenderTarget(); + + var parameters = { + + isWebGL2: isWebGL2, + + shaderID: shaderID, + shaderName: shaderobject.name, + + uniforms: shaderobject.uniforms, + vertexShader: shaderobject.vertexShader, + fragmentShader: shaderobject.fragmentShader, + defines: material.defines, + + isRawShaderMaterial: material.isRawShaderMaterial, + isShaderMaterial: material.isShaderMaterial, + + precision: precision, + + instancing: object.isInstancedMesh === true, + + supportsVertexTextures: vertexTextures, + outputEncoding: ( currentRenderTarget !== null ) ? getTextureEncodingFromMap( currentRenderTarget.texture ) : renderer.outputEncoding, + map: !! material.map, + mapEncoding: getTextureEncodingFromMap( material.map ), + matcap: !! material.matcap, + matcapEncoding: getTextureEncodingFromMap( material.matcap ), + envMap: !! envMap, + envMapMode: envMap && envMap.mapping, + envMapEncoding: getTextureEncodingFromMap( envMap ), + envMapCubeUV: ( !! envMap ) && ( ( envMap.mapping === CubeUVReflectionMapping ) || ( envMap.mapping === CubeUVRefractionMapping ) ), + lightMap: !! material.lightMap, + lightMapEncoding: getTextureEncodingFromMap( material.lightMap ), + aoMap: !! material.aoMap, + emissiveMap: !! material.emissiveMap, + emissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap ), + bumpMap: !! material.bumpMap, + normalMap: !! material.normalMap, + objectSpaceNormalMap: material.normalMapType === ObjectSpaceNormalMap, + tangentSpaceNormalMap: material.normalMapType === TangentSpaceNormalMap, + clearcoatNormalMap: !! material.clearcoatNormalMap, + displacementMap: !! material.displacementMap, + roughnessMap: !! material.roughnessMap, + metalnessMap: !! material.metalnessMap, + specularMap: !! material.specularMap, + alphaMap: !! material.alphaMap, + + gradientMap: !! material.gradientMap, + + sheen: !! material.sheen, + + combine: material.combine, + + vertexTangents: ( material.normalMap && material.vertexTangents ), + vertexColors: material.vertexColors, + vertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap || !! material.displacementMap, + uvsVertexOnly: ! ( !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap ) && !! material.displacementMap, + + fog: !! fog, + useFog: material.fog, + fogExp2: ( fog && fog.isFogExp2 ), + + flatShading: material.flatShading, + + sizeAttenuation: material.sizeAttenuation, + logarithmicDepthBuffer: logarithmicDepthBuffer, + + skinning: material.skinning && maxBones > 0, + maxBones: maxBones, + useVertexTexture: floatVertexTextures, + + morphTargets: material.morphTargets, + morphNormals: material.morphNormals, + maxMorphTargets: renderer.maxMorphTargets, + maxMorphNormals: renderer.maxMorphNormals, + + numDirLights: lights.directional.length, + numPointLights: lights.point.length, + numSpotLights: lights.spot.length, + numRectAreaLights: lights.rectArea.length, + numHemiLights: lights.hemi.length, + + numDirLightShadows: lights.directionalShadowMap.length, + numPointLightShadows: lights.pointShadowMap.length, + numSpotLightShadows: lights.spotShadowMap.length, + + numClippingPlanes: nClipPlanes, + numClipIntersection: nClipIntersection, + + dithering: material.dithering, + + shadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0, + shadowMapType: renderer.shadowMap.type, + + toneMapping: material.toneMapped ? renderer.toneMapping : NoToneMapping, + physicallyCorrectLights: renderer.physicallyCorrectLights, + + premultipliedAlpha: material.premultipliedAlpha, + + alphaTest: material.alphaTest, + doubleSided: material.side === DoubleSide, + flipSided: material.side === BackSide, + + depthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false, + + index0AttributeName: material.index0AttributeName, + + extensionDerivatives: material.extensions && material.extensions.derivatives, + extensionFragDepth: material.extensions && material.extensions.fragDepth, + extensionDrawbuffers: material.extensions && material.extensions.drawBuffers, + extensionShaderTextureLOD: material.extensions && material.extensions.shaderTextureLOD, + + rendererExtensionFragDepth: isWebGL2 || extensions.get( 'EXT_frag_depth' ) !== null, + rendererExtensionDrawBuffers: isWebGL2 || extensions.get( 'WEBGL_draw_buffers' ) !== null, + rendererExtensionShaderTextureLod: isWebGL2 || extensions.get( 'EXT_shader_texture_lod' ) !== null, + + onBeforeCompile: material.onBeforeCompile + + }; + + return parameters; + + }; + + this.getProgramCacheKey = function ( parameters ) { + + var array = []; + + if ( parameters.shaderID ) { + + array.push( parameters.shaderID ); + + } else { + + array.push( parameters.fragmentShader ); + array.push( parameters.vertexShader ); + + } + + if ( parameters.defines !== undefined ) { + + for ( var name in parameters.defines ) { + + array.push( name ); + array.push( parameters.defines[ name ] ); + + } + + } + + if ( parameters.isRawShaderMaterial === undefined ) { + + for ( var i = 0; i < parameterNames.length; i ++ ) { + + array.push( parameters[ parameterNames[ i ] ] ); + + } + + array.push( renderer.outputEncoding ); + array.push( renderer.gammaFactor ); + + } + + array.push( parameters.onBeforeCompile.toString() ); + + return array.join(); + + }; + + this.acquireProgram = function ( parameters, cacheKey ) { + + var program; + + // Check if code has been already compiled + for ( var p = 0, pl = programs.length; p < pl; p ++ ) { + + var preexistingProgram = programs[ p ]; + + if ( preexistingProgram.cacheKey === cacheKey ) { + + program = preexistingProgram; + ++ program.usedTimes; + + break; + + } + + } + + if ( program === undefined ) { + + program = new WebGLProgram( renderer, cacheKey, parameters ); + programs.push( program ); + + } + + return program; + + }; + + this.releaseProgram = function ( program ) { + + if ( -- program.usedTimes === 0 ) { + + // Remove from unordered set + var i = programs.indexOf( program ); + programs[ i ] = programs[ programs.length - 1 ]; + programs.pop(); + + // Free WebGL resources + program.destroy(); + + } + + }; + + // Exposed for resource monitoring & error feedback via renderer.info: + this.programs = programs; + +} + +/** + * @author fordacious / fordacious.github.io + */ + +function WebGLProperties() { + + var properties = new WeakMap(); + + function get( object ) { + + var map = properties.get( object ); + + if ( map === undefined ) { + + map = {}; + properties.set( object, map ); + + } + + return map; + + } + + function remove( object ) { + + properties.delete( object ); + + } + + function update( object, key, value ) { + + properties.get( object )[ key ] = value; + + } + + function dispose() { + + properties = new WeakMap(); + + } + + return { + get: get, + remove: remove, + update: update, + dispose: dispose + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function painterSortStable( a, b ) { + + if ( a.groupOrder !== b.groupOrder ) { + + return a.groupOrder - b.groupOrder; + + } else if ( a.renderOrder !== b.renderOrder ) { + + return a.renderOrder - b.renderOrder; + + } else if ( a.program !== b.program ) { + + return a.program.id - b.program.id; + + } else if ( a.material.id !== b.material.id ) { + + return a.material.id - b.material.id; + + } else if ( a.z !== b.z ) { + + return a.z - b.z; + + } else { + + return a.id - b.id; + + } + +} + +function reversePainterSortStable( a, b ) { + + if ( a.groupOrder !== b.groupOrder ) { + + return a.groupOrder - b.groupOrder; + + } else if ( a.renderOrder !== b.renderOrder ) { + + return a.renderOrder - b.renderOrder; + + } else if ( a.z !== b.z ) { + + return b.z - a.z; + + } else { + + return a.id - b.id; + + } + +} + + +function WebGLRenderList() { + + var renderItems = []; + var renderItemsIndex = 0; + + var opaque = []; + var transparent = []; + + var defaultProgram = { id: - 1 }; + + function init() { + + renderItemsIndex = 0; + + opaque.length = 0; + transparent.length = 0; + + } + + function getNextRenderItem( object, geometry, material, groupOrder, z, group ) { + + var renderItem = renderItems[ renderItemsIndex ]; + + if ( renderItem === undefined ) { + + renderItem = { + id: object.id, + object: object, + geometry: geometry, + material: material, + program: material.program || defaultProgram, + groupOrder: groupOrder, + renderOrder: object.renderOrder, + z: z, + group: group + }; + + renderItems[ renderItemsIndex ] = renderItem; + + } else { + + renderItem.id = object.id; + renderItem.object = object; + renderItem.geometry = geometry; + renderItem.material = material; + renderItem.program = material.program || defaultProgram; + renderItem.groupOrder = groupOrder; + renderItem.renderOrder = object.renderOrder; + renderItem.z = z; + renderItem.group = group; + + } + + renderItemsIndex ++; + + return renderItem; + + } + + function push( object, geometry, material, groupOrder, z, group ) { + + var renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group ); + + ( material.transparent === true ? transparent : opaque ).push( renderItem ); + + } + + function unshift( object, geometry, material, groupOrder, z, group ) { + + var renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group ); + + ( material.transparent === true ? transparent : opaque ).unshift( renderItem ); + + } + + function sort( customOpaqueSort, customTransparentSort ) { + + if ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable ); + if ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable ); + + } + + function finish() { + + // Clear references from inactive renderItems in the list + + for ( var i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) { + + var renderItem = renderItems[ i ]; + + if ( renderItem.id === null ) break; + + renderItem.id = null; + renderItem.object = null; + renderItem.geometry = null; + renderItem.material = null; + renderItem.program = null; + renderItem.group = null; + + } + + } + + return { + opaque: opaque, + transparent: transparent, + + init: init, + push: push, + unshift: unshift, + finish: finish, + + sort: sort + }; + +} + +function WebGLRenderLists() { + + var lists = new WeakMap(); + + function onSceneDispose( event ) { + + var scene = event.target; + + scene.removeEventListener( 'dispose', onSceneDispose ); + + lists.delete( scene ); + + } + + function get( scene, camera ) { + + var cameras = lists.get( scene ); + var list; + if ( cameras === undefined ) { + + list = new WebGLRenderList(); + lists.set( scene, new WeakMap() ); + lists.get( scene ).set( camera, list ); + + scene.addEventListener( 'dispose', onSceneDispose ); + + } else { + + list = cameras.get( camera ); + if ( list === undefined ) { + + list = new WebGLRenderList(); + cameras.set( camera, list ); + + } + + } + + return list; + + } + + function dispose() { + + lists = new WeakMap(); + + } + + return { + get: get, + dispose: dispose + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function UniformsCache() { + + var lights = {}; + + return { + + get: function ( light ) { + + if ( lights[ light.id ] !== undefined ) { + + return lights[ light.id ]; + + } + + var uniforms; + + switch ( light.type ) { + + case 'DirectionalLight': + uniforms = { + direction: new Vector3(), + color: new Color() + }; + break; + + case 'SpotLight': + uniforms = { + position: new Vector3(), + direction: new Vector3(), + color: new Color(), + distance: 0, + coneCos: 0, + penumbraCos: 0, + decay: 0 + }; + break; + + case 'PointLight': + uniforms = { + position: new Vector3(), + color: new Color(), + distance: 0, + decay: 0 + }; + break; + + case 'HemisphereLight': + uniforms = { + direction: new Vector3(), + skyColor: new Color(), + groundColor: new Color() + }; + break; + + case 'RectAreaLight': + uniforms = { + color: new Color(), + position: new Vector3(), + halfWidth: new Vector3(), + halfHeight: new Vector3() + }; + break; + + } + + lights[ light.id ] = uniforms; + + return uniforms; + + } + + }; + +} + +function ShadowUniformsCache() { + + var lights = {}; + + return { + + get: function ( light ) { + + if ( lights[ light.id ] !== undefined ) { + + return lights[ light.id ]; + + } + + var uniforms; + + switch ( light.type ) { + + case 'DirectionalLight': + uniforms = { + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + + case 'SpotLight': + uniforms = { + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + + case 'PointLight': + uniforms = { + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2(), + shadowCameraNear: 1, + shadowCameraFar: 1000 + }; + break; + + // TODO (abelnation): set RectAreaLight shadow uniforms + + } + + lights[ light.id ] = uniforms; + + return uniforms; + + } + + }; + +} + + + +var nextVersion = 0; + +function shadowCastingLightsFirst( lightA, lightB ) { + + return ( lightB.castShadow ? 1 : 0 ) - ( lightA.castShadow ? 1 : 0 ); + +} + +function WebGLLights() { + + var cache = new UniformsCache(); + + var shadowCache = ShadowUniformsCache(); + + var state = { + + version: 0, + + hash: { + directionalLength: - 1, + pointLength: - 1, + spotLength: - 1, + rectAreaLength: - 1, + hemiLength: - 1, + + numDirectionalShadows: - 1, + numPointShadows: - 1, + numSpotShadows: - 1 + }, + + ambient: [ 0, 0, 0 ], + probe: [], + directional: [], + directionalShadow: [], + directionalShadowMap: [], + directionalShadowMatrix: [], + spot: [], + spotShadow: [], + spotShadowMap: [], + spotShadowMatrix: [], + rectArea: [], + point: [], + pointShadow: [], + pointShadowMap: [], + pointShadowMatrix: [], + hemi: [] + + }; + + for ( var i = 0; i < 9; i ++ ) state.probe.push( new Vector3() ); + + var vector3 = new Vector3(); + var matrix4 = new Matrix4(); + var matrix42 = new Matrix4(); + + function setup( lights, shadows, camera ) { + + var r = 0, g = 0, b = 0; + + for ( var i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 ); + + var directionalLength = 0; + var pointLength = 0; + var spotLength = 0; + var rectAreaLength = 0; + var hemiLength = 0; + + var numDirectionalShadows = 0; + var numPointShadows = 0; + var numSpotShadows = 0; + + var viewMatrix = camera.matrixWorldInverse; + + lights.sort( shadowCastingLightsFirst ); + + for ( var i = 0, l = lights.length; i < l; i ++ ) { + + var light = lights[ i ]; + + var color = light.color; + var intensity = light.intensity; + var distance = light.distance; + + var shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null; + + if ( light.isAmbientLight ) { + + r += color.r * intensity; + g += color.g * intensity; + b += color.b * intensity; + + } else if ( light.isLightProbe ) { + + for ( var j = 0; j < 9; j ++ ) { + + state.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity ); + + } + + } else if ( light.isDirectionalLight ) { + + var uniforms = cache.get( light ); + + uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( vector3 ); + uniforms.direction.transformDirection( viewMatrix ); + + if ( light.castShadow ) { + + var shadow = light.shadow; + + var shadowUniforms = shadowCache.get( light ); + + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + + state.directionalShadow[ directionalLength ] = shadowUniforms; + state.directionalShadowMap[ directionalLength ] = shadowMap; + state.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix; + + numDirectionalShadows ++; + + } + + state.directional[ directionalLength ] = uniforms; + + directionalLength ++; + + } else if ( light.isSpotLight ) { + + var uniforms = cache.get( light ); + + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); + + uniforms.color.copy( color ).multiplyScalar( intensity ); + uniforms.distance = distance; + + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( vector3 ); + uniforms.direction.transformDirection( viewMatrix ); + + uniforms.coneCos = Math.cos( light.angle ); + uniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) ); + uniforms.decay = light.decay; + + if ( light.castShadow ) { + + var shadow = light.shadow; + + var shadowUniforms = shadowCache.get( light ); + + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + + state.spotShadow[ spotLength ] = shadowUniforms; + state.spotShadowMap[ spotLength ] = shadowMap; + state.spotShadowMatrix[ spotLength ] = light.shadow.matrix; + + numSpotShadows ++; + + } + + state.spot[ spotLength ] = uniforms; + + spotLength ++; + + } else if ( light.isRectAreaLight ) { + + var uniforms = cache.get( light ); + + // (a) intensity is the total visible light emitted + //uniforms.color.copy( color ).multiplyScalar( intensity / ( light.width * light.height * Math.PI ) ); + + // (b) intensity is the brightness of the light + uniforms.color.copy( color ).multiplyScalar( intensity ); + + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); + + // extract local rotation of light to derive width/height half vectors + matrix42.identity(); + matrix4.copy( light.matrixWorld ); + matrix4.premultiply( viewMatrix ); + matrix42.extractRotation( matrix4 ); + + uniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 ); + uniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 ); + + uniforms.halfWidth.applyMatrix4( matrix42 ); + uniforms.halfHeight.applyMatrix4( matrix42 ); + + // TODO (abelnation): RectAreaLight distance? + // uniforms.distance = distance; + + state.rectArea[ rectAreaLength ] = uniforms; + + rectAreaLength ++; + + } else if ( light.isPointLight ) { + + var uniforms = cache.get( light ); + + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); + + uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); + uniforms.distance = light.distance; + uniforms.decay = light.decay; + + if ( light.castShadow ) { + + var shadow = light.shadow; + + var shadowUniforms = shadowCache.get( light ); + + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + shadowUniforms.shadowCameraNear = shadow.camera.near; + shadowUniforms.shadowCameraFar = shadow.camera.far; + + state.pointShadow[ pointLength ] = shadowUniforms; + state.pointShadowMap[ pointLength ] = shadowMap; + state.pointShadowMatrix[ pointLength ] = light.shadow.matrix; + + numPointShadows ++; + + } + + state.point[ pointLength ] = uniforms; + + pointLength ++; + + } else if ( light.isHemisphereLight ) { + + var uniforms = cache.get( light ); + + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + uniforms.direction.transformDirection( viewMatrix ); + uniforms.direction.normalize(); + + uniforms.skyColor.copy( light.color ).multiplyScalar( intensity ); + uniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity ); + + state.hemi[ hemiLength ] = uniforms; + + hemiLength ++; + + } + + } + + state.ambient[ 0 ] = r; + state.ambient[ 1 ] = g; + state.ambient[ 2 ] = b; + + var hash = state.hash; + + if ( hash.directionalLength !== directionalLength || + hash.pointLength !== pointLength || + hash.spotLength !== spotLength || + hash.rectAreaLength !== rectAreaLength || + hash.hemiLength !== hemiLength || + hash.numDirectionalShadows !== numDirectionalShadows || + hash.numPointShadows !== numPointShadows || + hash.numSpotShadows !== numSpotShadows ) { + + state.directional.length = directionalLength; + state.spot.length = spotLength; + state.rectArea.length = rectAreaLength; + state.point.length = pointLength; + state.hemi.length = hemiLength; + + state.directionalShadow.length = numDirectionalShadows; + state.directionalShadowMap.length = numDirectionalShadows; + state.pointShadow.length = numPointShadows; + state.pointShadowMap.length = numPointShadows; + state.spotShadow.length = numSpotShadows; + state.spotShadowMap.length = numSpotShadows; + state.directionalShadowMatrix.length = numDirectionalShadows; + state.pointShadowMatrix.length = numPointShadows; + state.spotShadowMatrix.length = numSpotShadows; + + hash.directionalLength = directionalLength; + hash.pointLength = pointLength; + hash.spotLength = spotLength; + hash.rectAreaLength = rectAreaLength; + hash.hemiLength = hemiLength; + + hash.numDirectionalShadows = numDirectionalShadows; + hash.numPointShadows = numPointShadows; + hash.numSpotShadows = numSpotShadows; + + state.version = nextVersion ++; + + } + + } + + return { + setup: setup, + state: state + }; + +} + +/** + * @author Mugen87 / https://github.com/Mugen87 + */ + +function WebGLRenderState() { + + var lights = new WebGLLights(); + + var lightsArray = []; + var shadowsArray = []; + + function init() { + + lightsArray.length = 0; + shadowsArray.length = 0; + + } + + function pushLight( light ) { + + lightsArray.push( light ); + + } + + function pushShadow( shadowLight ) { + + shadowsArray.push( shadowLight ); + + } + + function setupLights( camera ) { + + lights.setup( lightsArray, shadowsArray, camera ); + + } + + var state = { + lightsArray: lightsArray, + shadowsArray: shadowsArray, + + lights: lights + }; + + return { + init: init, + state: state, + setupLights: setupLights, + + pushLight: pushLight, + pushShadow: pushShadow + }; + +} + +function WebGLRenderStates() { + + var renderStates = new WeakMap(); + + function onSceneDispose( event ) { + + var scene = event.target; + + scene.removeEventListener( 'dispose', onSceneDispose ); + + renderStates.delete( scene ); + + } + + function get( scene, camera ) { + + var renderState; + + if ( renderStates.has( scene ) === false ) { + + renderState = new WebGLRenderState(); + renderStates.set( scene, new WeakMap() ); + renderStates.get( scene ).set( camera, renderState ); + + scene.addEventListener( 'dispose', onSceneDispose ); + + } else { + + if ( renderStates.get( scene ).has( camera ) === false ) { + + renderState = new WebGLRenderState(); + renderStates.get( scene ).set( camera, renderState ); + + } else { + + renderState = renderStates.get( scene ).get( camera ); + + } + + } + + return renderState; + + } + + function dispose() { + + renderStates = new WeakMap(); + + } + + return { + get: get, + dispose: dispose + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author bhouston / https://clara.io + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * + * opacity: , + * + * map: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * wireframe: , + * wireframeLinewidth: + * } + */ + +function MeshDepthMaterial( parameters ) { + + Material.call( this ); + + this.type = 'MeshDepthMaterial'; + + this.depthPacking = BasicDepthPacking; + + this.skinning = false; + this.morphTargets = false; + + this.map = null; + + this.alphaMap = null; + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.fog = false; + + this.setValues( parameters ); + +} + +MeshDepthMaterial.prototype = Object.create( Material.prototype ); +MeshDepthMaterial.prototype.constructor = MeshDepthMaterial; + +MeshDepthMaterial.prototype.isMeshDepthMaterial = true; + +MeshDepthMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.depthPacking = source.depthPacking; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + return this; + +}; + +/** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * + * referencePosition: , + * nearDistance: , + * farDistance: , + * + * skinning: , + * morphTargets: , + * + * map: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: + * + * } + */ + +function MeshDistanceMaterial( parameters ) { + + Material.call( this ); + + this.type = 'MeshDistanceMaterial'; + + this.referencePosition = new Vector3(); + this.nearDistance = 1; + this.farDistance = 1000; + + this.skinning = false; + this.morphTargets = false; + + this.map = null; + + this.alphaMap = null; + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.fog = false; + + this.setValues( parameters ); + +} + +MeshDistanceMaterial.prototype = Object.create( Material.prototype ); +MeshDistanceMaterial.prototype.constructor = MeshDistanceMaterial; + +MeshDistanceMaterial.prototype.isMeshDistanceMaterial = true; + +MeshDistanceMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.referencePosition.copy( source.referencePosition ); + this.nearDistance = source.nearDistance; + this.farDistance = source.farDistance; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + return this; + +}; + +var vsm_frag = "uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n float mean = 0.0;\n float squared_mean = 0.0;\n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n for ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n #ifdef HORIZONAL_PASS\n vec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n mean += distribution.x;\n squared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n #else\n float depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n mean += depth;\n squared_mean += depth * depth;\n #endif\n }\n mean = mean * HALF_SAMPLE_RATE;\n squared_mean = squared_mean * HALF_SAMPLE_RATE;\n float std_dev = sqrt( squared_mean - mean * mean );\n gl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"; + +var vsm_vert = "void main() {\n\tgl_Position = vec4( position, 1.0 );\n}"; + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLShadowMap( _renderer, _objects, maxTextureSize ) { + + var _frustum = new Frustum(), + + _shadowMapSize = new Vector2(), + _viewportSize = new Vector2(), + + _viewport = new Vector4(), + + _depthMaterials = [], + _distanceMaterials = [], + + _materialCache = {}; + + var shadowSide = { 0: BackSide, 1: FrontSide, 2: DoubleSide }; + + var shadowMaterialVertical = new ShaderMaterial( { + + defines: { + SAMPLE_RATE: 2.0 / 8.0, + HALF_SAMPLE_RATE: 1.0 / 8.0 + }, + + uniforms: { + shadow_pass: { value: null }, + resolution: { value: new Vector2() }, + radius: { value: 4.0 } + }, + + vertexShader: vsm_vert, + + fragmentShader: vsm_frag + + } ); + + var shadowMaterialHorizonal = shadowMaterialVertical.clone(); + shadowMaterialHorizonal.defines.HORIZONAL_PASS = 1; + + var fullScreenTri = new BufferGeometry(); + fullScreenTri.setAttribute( + "position", + new BufferAttribute( + new Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ), + 3 + ) + ); + + var fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical ); + + var scope = this; + + this.enabled = false; + + this.autoUpdate = true; + this.needsUpdate = false; + + this.type = PCFShadowMap; + + this.render = function ( lights, scene, camera ) { + + if ( scope.enabled === false ) return; + if ( scope.autoUpdate === false && scope.needsUpdate === false ) return; + + if ( lights.length === 0 ) return; + + var currentRenderTarget = _renderer.getRenderTarget(); + var activeCubeFace = _renderer.getActiveCubeFace(); + var activeMipmapLevel = _renderer.getActiveMipmapLevel(); + + var _state = _renderer.state; + + // Set GL state for depth map. + _state.setBlending( NoBlending ); + _state.buffers.color.setClear( 1, 1, 1, 1 ); + _state.buffers.depth.setTest( true ); + _state.setScissorTest( false ); + + // render depth map + + for ( var i = 0, il = lights.length; i < il; i ++ ) { + + var light = lights[ i ]; + var shadow = light.shadow; + + if ( shadow === undefined ) { + + console.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' ); + continue; + + } + + _shadowMapSize.copy( shadow.mapSize ); + + var shadowFrameExtents = shadow.getFrameExtents(); + + _shadowMapSize.multiply( shadowFrameExtents ); + + _viewportSize.copy( shadow.mapSize ); + + if ( _shadowMapSize.x > maxTextureSize || _shadowMapSize.y > maxTextureSize ) { + + console.warn( 'THREE.WebGLShadowMap:', light, 'has shadow exceeding max texture size, reducing' ); + + if ( _shadowMapSize.x > maxTextureSize ) { + + _viewportSize.x = Math.floor( maxTextureSize / shadowFrameExtents.x ); + _shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x; + shadow.mapSize.x = _viewportSize.x; + + } + + if ( _shadowMapSize.y > maxTextureSize ) { + + _viewportSize.y = Math.floor( maxTextureSize / shadowFrameExtents.y ); + _shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y; + shadow.mapSize.y = _viewportSize.y; + + } + + } + + if ( shadow.map === null && ! shadow.isPointLightShadow && this.type === VSMShadowMap ) { + + var pars = { minFilter: LinearFilter, magFilter: LinearFilter, format: RGBAFormat }; + + shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); + shadow.map.texture.name = light.name + ".shadowMap"; + + shadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); + + shadow.camera.updateProjectionMatrix(); + + } + + if ( shadow.map === null ) { + + var pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat }; + + shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); + shadow.map.texture.name = light.name + ".shadowMap"; + + shadow.camera.updateProjectionMatrix(); + + } + + _renderer.setRenderTarget( shadow.map ); + _renderer.clear(); + + var viewportCount = shadow.getViewportCount(); + + for ( var vp = 0; vp < viewportCount; vp ++ ) { + + var viewport = shadow.getViewport( vp ); + + _viewport.set( + _viewportSize.x * viewport.x, + _viewportSize.y * viewport.y, + _viewportSize.x * viewport.z, + _viewportSize.y * viewport.w + ); + + _state.viewport( _viewport ); + + shadow.updateMatrices( light, vp ); + + _frustum = shadow.getFrustum(); + + renderObject( scene, camera, shadow.camera, light, this.type ); + + } + + // do blur pass for VSM + + if ( ! shadow.isPointLightShadow && this.type === VSMShadowMap ) { + + VSMPass( shadow, camera ); + + } + + } + + scope.needsUpdate = false; + + _renderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel ); + + }; + + function VSMPass( shadow, camera ) { + + var geometry = _objects.update( fullScreenMesh ); + + // vertical pass + + shadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture; + shadowMaterialVertical.uniforms.resolution.value = shadow.mapSize; + shadowMaterialVertical.uniforms.radius.value = shadow.radius; + _renderer.setRenderTarget( shadow.mapPass ); + _renderer.clear(); + _renderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null ); + + // horizonal pass + + shadowMaterialHorizonal.uniforms.shadow_pass.value = shadow.mapPass.texture; + shadowMaterialHorizonal.uniforms.resolution.value = shadow.mapSize; + shadowMaterialHorizonal.uniforms.radius.value = shadow.radius; + _renderer.setRenderTarget( shadow.map ); + _renderer.clear(); + _renderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizonal, fullScreenMesh, null ); + + } + + function getDepthMaterialVariant( useMorphing, useSkinning, useInstancing ) { + + var index = useMorphing << 0 | useSkinning << 1 | useInstancing << 2; + + var material = _depthMaterials[ index ]; + + if ( material === undefined ) { + + material = new MeshDepthMaterial( { + + depthPacking: RGBADepthPacking, + + morphTargets: useMorphing, + skinning: useSkinning + + } ); + + _depthMaterials[ index ] = material; + + } + + return material; + + } + + function getDistanceMaterialVariant( useMorphing, useSkinning, useInstancing ) { + + var index = useMorphing << 0 | useSkinning << 1 | useInstancing << 2; + + var material = _distanceMaterials[ index ]; + + if ( material === undefined ) { + + material = new MeshDistanceMaterial( { + + morphTargets: useMorphing, + skinning: useSkinning + + } ); + + _distanceMaterials[ index ] = material; + + } + + return material; + + } + + function getDepthMaterial( object, material, light, shadowCameraNear, shadowCameraFar, type ) { + + var geometry = object.geometry; + + var result = null; + + var getMaterialVariant = getDepthMaterialVariant; + var customMaterial = object.customDepthMaterial; + + if ( light.isPointLight === true ) { + + getMaterialVariant = getDistanceMaterialVariant; + customMaterial = object.customDistanceMaterial; + + } + + if ( customMaterial === undefined ) { + + var useMorphing = false; + + if ( material.morphTargets === true ) { + + if ( geometry.isBufferGeometry === true ) { + + useMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0; + + } else if ( geometry.isGeometry === true ) { + + useMorphing = geometry.morphTargets && geometry.morphTargets.length > 0; + + } + + } + + var useSkinning = false; + + if ( object.isSkinnedMesh === true ) { + + if ( material.skinning === true ) { + + useSkinning = true; + + } else { + + console.warn( 'THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:', object ); + + } + + } + + var useInstancing = object.isInstancedMesh === true; + + result = getMaterialVariant( useMorphing, useSkinning, useInstancing ); + + } else { + + result = customMaterial; + + } + + if ( _renderer.localClippingEnabled && + material.clipShadows === true && + material.clippingPlanes.length !== 0 ) { + + // in this case we need a unique material instance reflecting the + // appropriate state + + var keyA = result.uuid, keyB = material.uuid; + + var materialsForVariant = _materialCache[ keyA ]; + + if ( materialsForVariant === undefined ) { + + materialsForVariant = {}; + _materialCache[ keyA ] = materialsForVariant; + + } + + var cachedMaterial = materialsForVariant[ keyB ]; + + if ( cachedMaterial === undefined ) { + + cachedMaterial = result.clone(); + materialsForVariant[ keyB ] = cachedMaterial; + + } + + result = cachedMaterial; + + } + + result.visible = material.visible; + result.wireframe = material.wireframe; + + if ( type === VSMShadowMap ) { + + result.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side; + + } else { + + result.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ]; + + } + + result.clipShadows = material.clipShadows; + result.clippingPlanes = material.clippingPlanes; + result.clipIntersection = material.clipIntersection; + + result.wireframeLinewidth = material.wireframeLinewidth; + result.linewidth = material.linewidth; + + if ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) { + + result.referencePosition.setFromMatrixPosition( light.matrixWorld ); + result.nearDistance = shadowCameraNear; + result.farDistance = shadowCameraFar; + + } + + return result; + + } + + function renderObject( object, camera, shadowCamera, light, type ) { + + if ( object.visible === false ) return; + + var visible = object.layers.test( camera.layers ); + + if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) { + + if ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) { + + object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld ); + + var geometry = _objects.update( object ); + var material = object.material; + + if ( Array.isArray( material ) ) { + + var groups = geometry.groups; + + for ( var k = 0, kl = groups.length; k < kl; k ++ ) { + + var group = groups[ k ]; + var groupMaterial = material[ group.materialIndex ]; + + if ( groupMaterial && groupMaterial.visible ) { + + var depthMaterial = getDepthMaterial( object, groupMaterial, light, shadowCamera.near, shadowCamera.far, type ); + + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group ); + + } + + } + + } else if ( material.visible ) { + + var depthMaterial = getDepthMaterial( object, material, light, shadowCamera.near, shadowCamera.far, type ); + + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null ); + + } + + } + + } + + var children = object.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + renderObject( children[ i ], camera, shadowCamera, light, type ); + + } + + } + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLState( gl, extensions, capabilities ) { + + var isWebGL2 = capabilities.isWebGL2; + + function ColorBuffer() { + + var locked = false; + + var color = new Vector4(); + var currentColorMask = null; + var currentColorClear = new Vector4( 0, 0, 0, 0 ); + + return { + + setMask: function ( colorMask ) { + + if ( currentColorMask !== colorMask && ! locked ) { + + gl.colorMask( colorMask, colorMask, colorMask, colorMask ); + currentColorMask = colorMask; + + } + + }, + + setLocked: function ( lock ) { + + locked = lock; + + }, + + setClear: function ( r, g, b, a, premultipliedAlpha ) { + + if ( premultipliedAlpha === true ) { + + r *= a; g *= a; b *= a; + + } + + color.set( r, g, b, a ); + + if ( currentColorClear.equals( color ) === false ) { + + gl.clearColor( r, g, b, a ); + currentColorClear.copy( color ); + + } + + }, + + reset: function () { + + locked = false; + + currentColorMask = null; + currentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state + + } + + }; + + } + + function DepthBuffer() { + + var locked = false; + + var currentDepthMask = null; + var currentDepthFunc = null; + var currentDepthClear = null; + + return { + + setTest: function ( depthTest ) { + + if ( depthTest ) { + + enable( 2929 ); + + } else { + + disable( 2929 ); + + } + + }, + + setMask: function ( depthMask ) { + + if ( currentDepthMask !== depthMask && ! locked ) { + + gl.depthMask( depthMask ); + currentDepthMask = depthMask; + + } + + }, + + setFunc: function ( depthFunc ) { + + if ( currentDepthFunc !== depthFunc ) { + + if ( depthFunc ) { + + switch ( depthFunc ) { + + case NeverDepth: + + gl.depthFunc( 512 ); + break; + + case AlwaysDepth: + + gl.depthFunc( 519 ); + break; + + case LessDepth: + + gl.depthFunc( 513 ); + break; + + case LessEqualDepth: + + gl.depthFunc( 515 ); + break; + + case EqualDepth: + + gl.depthFunc( 514 ); + break; + + case GreaterEqualDepth: + + gl.depthFunc( 518 ); + break; + + case GreaterDepth: + + gl.depthFunc( 516 ); + break; + + case NotEqualDepth: + + gl.depthFunc( 517 ); + break; + + default: + + gl.depthFunc( 515 ); + + } + + } else { + + gl.depthFunc( 515 ); + + } + + currentDepthFunc = depthFunc; + + } + + }, + + setLocked: function ( lock ) { + + locked = lock; + + }, + + setClear: function ( depth ) { + + if ( currentDepthClear !== depth ) { + + gl.clearDepth( depth ); + currentDepthClear = depth; + + } + + }, + + reset: function () { + + locked = false; + + currentDepthMask = null; + currentDepthFunc = null; + currentDepthClear = null; + + } + + }; + + } + + function StencilBuffer() { + + var locked = false; + + var currentStencilMask = null; + var currentStencilFunc = null; + var currentStencilRef = null; + var currentStencilFuncMask = null; + var currentStencilFail = null; + var currentStencilZFail = null; + var currentStencilZPass = null; + var currentStencilClear = null; + + return { + + setTest: function ( stencilTest ) { + + if ( ! locked ) { + + if ( stencilTest ) { + + enable( 2960 ); + + } else { + + disable( 2960 ); + + } + + } + + }, + + setMask: function ( stencilMask ) { + + if ( currentStencilMask !== stencilMask && ! locked ) { + + gl.stencilMask( stencilMask ); + currentStencilMask = stencilMask; + + } + + }, + + setFunc: function ( stencilFunc, stencilRef, stencilMask ) { + + if ( currentStencilFunc !== stencilFunc || + currentStencilRef !== stencilRef || + currentStencilFuncMask !== stencilMask ) { + + gl.stencilFunc( stencilFunc, stencilRef, stencilMask ); + + currentStencilFunc = stencilFunc; + currentStencilRef = stencilRef; + currentStencilFuncMask = stencilMask; + + } + + }, + + setOp: function ( stencilFail, stencilZFail, stencilZPass ) { + + if ( currentStencilFail !== stencilFail || + currentStencilZFail !== stencilZFail || + currentStencilZPass !== stencilZPass ) { + + gl.stencilOp( stencilFail, stencilZFail, stencilZPass ); + + currentStencilFail = stencilFail; + currentStencilZFail = stencilZFail; + currentStencilZPass = stencilZPass; + + } + + }, + + setLocked: function ( lock ) { + + locked = lock; + + }, + + setClear: function ( stencil ) { + + if ( currentStencilClear !== stencil ) { + + gl.clearStencil( stencil ); + currentStencilClear = stencil; + + } + + }, + + reset: function () { + + locked = false; + + currentStencilMask = null; + currentStencilFunc = null; + currentStencilRef = null; + currentStencilFuncMask = null; + currentStencilFail = null; + currentStencilZFail = null; + currentStencilZPass = null; + currentStencilClear = null; + + } + + }; + + } + + // + + var colorBuffer = new ColorBuffer(); + var depthBuffer = new DepthBuffer(); + var stencilBuffer = new StencilBuffer(); + + var maxVertexAttributes = gl.getParameter( 34921 ); + var newAttributes = new Uint8Array( maxVertexAttributes ); + var enabledAttributes = new Uint8Array( maxVertexAttributes ); + var attributeDivisors = new Uint8Array( maxVertexAttributes ); + + var enabledCapabilities = {}; + + var currentProgram = null; + + var currentBlendingEnabled = null; + var currentBlending = null; + var currentBlendEquation = null; + var currentBlendSrc = null; + var currentBlendDst = null; + var currentBlendEquationAlpha = null; + var currentBlendSrcAlpha = null; + var currentBlendDstAlpha = null; + var currentPremultipledAlpha = false; + + var currentFlipSided = null; + var currentCullFace = null; + + var currentLineWidth = null; + + var currentPolygonOffsetFactor = null; + var currentPolygonOffsetUnits = null; + + var maxTextures = gl.getParameter( 35661 ); + + var lineWidthAvailable = false; + var version = 0; + var glVersion = gl.getParameter( 7938 ); + + if ( glVersion.indexOf( 'WebGL' ) !== - 1 ) { + + version = parseFloat( /^WebGL\ ([0-9])/.exec( glVersion )[ 1 ] ); + lineWidthAvailable = ( version >= 1.0 ); + + } else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) { + + version = parseFloat( /^OpenGL\ ES\ ([0-9])/.exec( glVersion )[ 1 ] ); + lineWidthAvailable = ( version >= 2.0 ); + + } + + var currentTextureSlot = null; + var currentBoundTextures = {}; + + var currentScissor = new Vector4(); + var currentViewport = new Vector4(); + + function createTexture( type, target, count ) { + + var data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4. + var texture = gl.createTexture(); + + gl.bindTexture( type, texture ); + gl.texParameteri( type, 10241, 9728 ); + gl.texParameteri( type, 10240, 9728 ); + + for ( var i = 0; i < count; i ++ ) { + + gl.texImage2D( target + i, 0, 6408, 1, 1, 0, 6408, 5121, data ); + + } + + return texture; + + } + + var emptyTextures = {}; + emptyTextures[ 3553 ] = createTexture( 3553, 3553, 1 ); + emptyTextures[ 34067 ] = createTexture( 34067, 34069, 6 ); + + // init + + colorBuffer.setClear( 0, 0, 0, 1 ); + depthBuffer.setClear( 1 ); + stencilBuffer.setClear( 0 ); + + enable( 2929 ); + depthBuffer.setFunc( LessEqualDepth ); + + setFlipSided( false ); + setCullFace( CullFaceBack ); + enable( 2884 ); + + setBlending( NoBlending ); + + // + + function initAttributes() { + + for ( var i = 0, l = newAttributes.length; i < l; i ++ ) { + + newAttributes[ i ] = 0; + + } + + } + + function enableAttribute( attribute ) { + + enableAttributeAndDivisor( attribute, 0 ); + + } + + function enableAttributeAndDivisor( attribute, meshPerAttribute ) { + + newAttributes[ attribute ] = 1; + + if ( enabledAttributes[ attribute ] === 0 ) { + + gl.enableVertexAttribArray( attribute ); + enabledAttributes[ attribute ] = 1; + + } + + if ( attributeDivisors[ attribute ] !== meshPerAttribute ) { + + var extension = isWebGL2 ? gl : extensions.get( 'ANGLE_instanced_arrays' ); + + extension[ isWebGL2 ? 'vertexAttribDivisor' : 'vertexAttribDivisorANGLE' ]( attribute, meshPerAttribute ); + attributeDivisors[ attribute ] = meshPerAttribute; + + } + + } + + function disableUnusedAttributes() { + + for ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) { + + if ( enabledAttributes[ i ] !== newAttributes[ i ] ) { + + gl.disableVertexAttribArray( i ); + enabledAttributes[ i ] = 0; + + } + + } + + } + + function enable( id ) { + + if ( enabledCapabilities[ id ] !== true ) { + + gl.enable( id ); + enabledCapabilities[ id ] = true; + + } + + } + + function disable( id ) { + + if ( enabledCapabilities[ id ] !== false ) { + + gl.disable( id ); + enabledCapabilities[ id ] = false; + + } + + } + + function useProgram( program ) { + + if ( currentProgram !== program ) { + + gl.useProgram( program ); + + currentProgram = program; + + return true; + + } + + return false; + + } + + var equationToGL = { + [ AddEquation ]: 32774, + [ SubtractEquation ]: 32778, + [ ReverseSubtractEquation ]: 32779 + }; + + if ( isWebGL2 ) { + + equationToGL[ MinEquation ] = 32775; + equationToGL[ MaxEquation ] = 32776; + + } else { + + var extension = extensions.get( 'EXT_blend_minmax' ); + + if ( extension !== null ) { + + equationToGL[ MinEquation ] = extension.MIN_EXT; + equationToGL[ MaxEquation ] = extension.MAX_EXT; + + } + + } + + var factorToGL = { + [ ZeroFactor ]: 0, + [ OneFactor ]: 1, + [ SrcColorFactor ]: 768, + [ SrcAlphaFactor ]: 770, + [ SrcAlphaSaturateFactor ]: 776, + [ DstColorFactor ]: 774, + [ DstAlphaFactor ]: 772, + [ OneMinusSrcColorFactor ]: 769, + [ OneMinusSrcAlphaFactor ]: 771, + [ OneMinusDstColorFactor ]: 775, + [ OneMinusDstAlphaFactor ]: 773 + }; + + function setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) { + + if ( blending === NoBlending ) { + + if ( currentBlendingEnabled ) { + + disable( 3042 ); + currentBlendingEnabled = false; + + } + + return; + + } + + if ( ! currentBlendingEnabled ) { + + enable( 3042 ); + currentBlendingEnabled = true; + + } + + if ( blending !== CustomBlending ) { + + if ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) { + + if ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) { + + gl.blendEquation( 32774 ); + + currentBlendEquation = AddEquation; + currentBlendEquationAlpha = AddEquation; + + } + + if ( premultipliedAlpha ) { + + switch ( blending ) { + + case NormalBlending: + gl.blendFuncSeparate( 1, 771, 1, 771 ); + break; + + case AdditiveBlending: + gl.blendFunc( 1, 1 ); + break; + + case SubtractiveBlending: + gl.blendFuncSeparate( 0, 0, 769, 771 ); + break; + + case MultiplyBlending: + gl.blendFuncSeparate( 0, 768, 0, 770 ); + break; + + default: + console.error( 'THREE.WebGLState: Invalid blending: ', blending ); + break; + + } + + } else { + + switch ( blending ) { + + case NormalBlending: + gl.blendFuncSeparate( 770, 771, 1, 771 ); + break; + + case AdditiveBlending: + gl.blendFunc( 770, 1 ); + break; + + case SubtractiveBlending: + gl.blendFunc( 0, 769 ); + break; + + case MultiplyBlending: + gl.blendFunc( 0, 768 ); + break; + + default: + console.error( 'THREE.WebGLState: Invalid blending: ', blending ); + break; + + } + + } + + currentBlendSrc = null; + currentBlendDst = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; + + currentBlending = blending; + currentPremultipledAlpha = premultipliedAlpha; + + } + + return; + + } + + // custom blending + + blendEquationAlpha = blendEquationAlpha || blendEquation; + blendSrcAlpha = blendSrcAlpha || blendSrc; + blendDstAlpha = blendDstAlpha || blendDst; + + if ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) { + + gl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] ); + + currentBlendEquation = blendEquation; + currentBlendEquationAlpha = blendEquationAlpha; + + } + + if ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) { + + gl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] ); + + currentBlendSrc = blendSrc; + currentBlendDst = blendDst; + currentBlendSrcAlpha = blendSrcAlpha; + currentBlendDstAlpha = blendDstAlpha; + + } + + currentBlending = blending; + currentPremultipledAlpha = null; + + } + + function setMaterial( material, frontFaceCW ) { + + material.side === DoubleSide + ? disable( 2884 ) + : enable( 2884 ); + + var flipSided = ( material.side === BackSide ); + if ( frontFaceCW ) flipSided = ! flipSided; + + setFlipSided( flipSided ); + + ( material.blending === NormalBlending && material.transparent === false ) + ? setBlending( NoBlending ) + : setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha ); + + depthBuffer.setFunc( material.depthFunc ); + depthBuffer.setTest( material.depthTest ); + depthBuffer.setMask( material.depthWrite ); + colorBuffer.setMask( material.colorWrite ); + + var stencilWrite = material.stencilWrite; + stencilBuffer.setTest( stencilWrite ); + if ( stencilWrite ) { + + stencilBuffer.setMask( material.stencilWriteMask ); + stencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask ); + stencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass ); + + } + + setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits ); + + } + + // + + function setFlipSided( flipSided ) { + + if ( currentFlipSided !== flipSided ) { + + if ( flipSided ) { + + gl.frontFace( 2304 ); + + } else { + + gl.frontFace( 2305 ); + + } + + currentFlipSided = flipSided; + + } + + } + + function setCullFace( cullFace ) { + + if ( cullFace !== CullFaceNone ) { + + enable( 2884 ); + + if ( cullFace !== currentCullFace ) { + + if ( cullFace === CullFaceBack ) { + + gl.cullFace( 1029 ); + + } else if ( cullFace === CullFaceFront ) { + + gl.cullFace( 1028 ); + + } else { + + gl.cullFace( 1032 ); + + } + + } + + } else { + + disable( 2884 ); + + } + + currentCullFace = cullFace; + + } + + function setLineWidth( width ) { + + if ( width !== currentLineWidth ) { + + if ( lineWidthAvailable ) gl.lineWidth( width ); + + currentLineWidth = width; + + } + + } + + function setPolygonOffset( polygonOffset, factor, units ) { + + if ( polygonOffset ) { + + enable( 32823 ); + + if ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) { + + gl.polygonOffset( factor, units ); + + currentPolygonOffsetFactor = factor; + currentPolygonOffsetUnits = units; + + } + + } else { + + disable( 32823 ); + + } + + } + + function setScissorTest( scissorTest ) { + + if ( scissorTest ) { + + enable( 3089 ); + + } else { + + disable( 3089 ); + + } + + } + + // texture + + function activeTexture( webglSlot ) { + + if ( webglSlot === undefined ) webglSlot = 33984 + maxTextures - 1; + + if ( currentTextureSlot !== webglSlot ) { + + gl.activeTexture( webglSlot ); + currentTextureSlot = webglSlot; + + } + + } + + function bindTexture( webglType, webglTexture ) { + + if ( currentTextureSlot === null ) { + + activeTexture(); + + } + + var boundTexture = currentBoundTextures[ currentTextureSlot ]; + + if ( boundTexture === undefined ) { + + boundTexture = { type: undefined, texture: undefined }; + currentBoundTextures[ currentTextureSlot ] = boundTexture; + + } + + if ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) { + + gl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] ); + + boundTexture.type = webglType; + boundTexture.texture = webglTexture; + + } + + } + + function unbindTexture() { + + var boundTexture = currentBoundTextures[ currentTextureSlot ]; + + if ( boundTexture !== undefined && boundTexture.type !== undefined ) { + + gl.bindTexture( boundTexture.type, null ); + + boundTexture.type = undefined; + boundTexture.texture = undefined; + + } + + } + + function compressedTexImage2D() { + + try { + + gl.compressedTexImage2D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 'THREE.WebGLState:', error ); + + } + + } + + function texImage2D() { + + try { + + gl.texImage2D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 'THREE.WebGLState:', error ); + + } + + } + + function texImage3D() { + + try { + + gl.texImage3D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 'THREE.WebGLState:', error ); + + } + + } + + // + + function scissor( scissor ) { + + if ( currentScissor.equals( scissor ) === false ) { + + gl.scissor( scissor.x, scissor.y, scissor.z, scissor.w ); + currentScissor.copy( scissor ); + + } + + } + + function viewport( viewport ) { + + if ( currentViewport.equals( viewport ) === false ) { + + gl.viewport( viewport.x, viewport.y, viewport.z, viewport.w ); + currentViewport.copy( viewport ); + + } + + } + + // + + function reset() { + + for ( var i = 0; i < enabledAttributes.length; i ++ ) { + + if ( enabledAttributes[ i ] === 1 ) { + + gl.disableVertexAttribArray( i ); + enabledAttributes[ i ] = 0; + + } + + } + + enabledCapabilities = {}; + + currentTextureSlot = null; + currentBoundTextures = {}; + + currentProgram = null; + + currentBlending = null; + + currentFlipSided = null; + currentCullFace = null; + + colorBuffer.reset(); + depthBuffer.reset(); + stencilBuffer.reset(); + + } + + return { + + buffers: { + color: colorBuffer, + depth: depthBuffer, + stencil: stencilBuffer + }, + + initAttributes: initAttributes, + enableAttribute: enableAttribute, + enableAttributeAndDivisor: enableAttributeAndDivisor, + disableUnusedAttributes: disableUnusedAttributes, + enable: enable, + disable: disable, + + useProgram: useProgram, + + setBlending: setBlending, + setMaterial: setMaterial, + + setFlipSided: setFlipSided, + setCullFace: setCullFace, + + setLineWidth: setLineWidth, + setPolygonOffset: setPolygonOffset, + + setScissorTest: setScissorTest, + + activeTexture: activeTexture, + bindTexture: bindTexture, + unbindTexture: unbindTexture, + compressedTexImage2D: compressedTexImage2D, + texImage2D: texImage2D, + texImage3D: texImage3D, + + scissor: scissor, + viewport: viewport, + + reset: reset + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) { + + var isWebGL2 = capabilities.isWebGL2; + var maxTextures = capabilities.maxTextures; + var maxCubemapSize = capabilities.maxCubemapSize; + var maxTextureSize = capabilities.maxTextureSize; + var maxSamples = capabilities.maxSamples; + + var _videoTextures = new WeakMap(); + var _canvas; + + // cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas, + // also OffscreenCanvas.getContext("webgl"), but not OffscreenCanvas.getContext("2d")! + // Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d). + + var useOffscreenCanvas = false; + + try { + + useOffscreenCanvas = typeof OffscreenCanvas !== 'undefined' + && ( new OffscreenCanvas( 1, 1 ).getContext( "2d" ) ) !== null; + + } catch ( err ) { + + // Ignore any errors + + } + + function createCanvas( width, height ) { + + // Use OffscreenCanvas when available. Specially needed in web workers + + return useOffscreenCanvas ? + new OffscreenCanvas( width, height ) : + document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + + } + + function resizeImage( image, needsPowerOfTwo, needsNewCanvas, maxSize ) { + + var scale = 1; + + // handle case if texture exceeds max size + + if ( image.width > maxSize || image.height > maxSize ) { + + scale = maxSize / Math.max( image.width, image.height ); + + } + + // only perform resize if necessary + + if ( scale < 1 || needsPowerOfTwo === true ) { + + // only perform resize for certain image types + + if ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) || + ( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) || + ( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) { + + var floor = needsPowerOfTwo ? MathUtils.floorPowerOfTwo : Math.floor; + + var width = floor( scale * image.width ); + var height = floor( scale * image.height ); + + if ( _canvas === undefined ) _canvas = createCanvas( width, height ); + + // cube textures can't reuse the same canvas + + var canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas; + + canvas.width = width; + canvas.height = height; + + var context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, width, height ); + + console.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + image.width + 'x' + image.height + ') to (' + width + 'x' + height + ').' ); + + return canvas; + + } else { + + if ( 'data' in image ) { + + console.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + image.width + 'x' + image.height + ').' ); + + } + + return image; + + } + + } + + return image; + + } + + function isPowerOfTwo( image ) { + + return MathUtils.isPowerOfTwo( image.width ) && MathUtils.isPowerOfTwo( image.height ); + + } + + function textureNeedsPowerOfTwo( texture ) { + + if ( isWebGL2 ) return false; + + return ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) || + ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ); + + } + + function textureNeedsGenerateMipmaps( texture, supportsMips ) { + + return texture.generateMipmaps && supportsMips && + texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter; + + } + + function generateMipmap( target, texture, width, height ) { + + _gl.generateMipmap( target ); + + var textureProperties = properties.get( texture ); + + // Note: Math.log( x ) * Math.LOG2E used instead of Math.log2( x ) which is not supported by IE11 + textureProperties.__maxMipLevel = Math.log( Math.max( width, height ) ) * Math.LOG2E; + + } + + function getInternalFormat( internalFormatName, glFormat, glType ) { + + if ( isWebGL2 === false ) return glFormat; + + if ( internalFormatName !== null ) { + + if ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ]; + + console.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \'' + internalFormatName + '\'' ); + + } + + var internalFormat = glFormat; + + if ( glFormat === 6403 ) { + + if ( glType === 5126 ) internalFormat = 33326; + if ( glType === 5131 ) internalFormat = 33325; + if ( glType === 5121 ) internalFormat = 33321; + + } + + if ( glFormat === 6407 ) { + + if ( glType === 5126 ) internalFormat = 34837; + if ( glType === 5131 ) internalFormat = 34843; + if ( glType === 5121 ) internalFormat = 32849; + + } + + if ( glFormat === 6408 ) { + + if ( glType === 5126 ) internalFormat = 34836; + if ( glType === 5131 ) internalFormat = 34842; + if ( glType === 5121 ) internalFormat = 32856; + + } + + if ( internalFormat === 33325 || internalFormat === 33326 || + internalFormat === 34842 || internalFormat === 34836 ) { + + extensions.get( 'EXT_color_buffer_float' ); + + } else if ( internalFormat === 34843 || internalFormat === 34837 ) { + + console.warn( 'THREE.WebGLRenderer: Floating point textures with RGB format not supported. Please use RGBA instead.' ); + + } + + return internalFormat; + + } + + // Fallback filters for non-power-of-2 textures + + function filterFallback( f ) { + + if ( f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter ) { + + return 9728; + + } + + return 9729; + + } + + // + + function onTextureDispose( event ) { + + var texture = event.target; + + texture.removeEventListener( 'dispose', onTextureDispose ); + + deallocateTexture( texture ); + + if ( texture.isVideoTexture ) { + + _videoTextures.delete( texture ); + + } + + info.memory.textures --; + + } + + function onRenderTargetDispose( event ) { + + var renderTarget = event.target; + + renderTarget.removeEventListener( 'dispose', onRenderTargetDispose ); + + deallocateRenderTarget( renderTarget ); + + info.memory.textures --; + + } + + // + + function deallocateTexture( texture ) { + + var textureProperties = properties.get( texture ); + + if ( textureProperties.__webglInit === undefined ) return; + + _gl.deleteTexture( textureProperties.__webglTexture ); + + properties.remove( texture ); + + } + + function deallocateRenderTarget( renderTarget ) { + + var renderTargetProperties = properties.get( renderTarget ); + var textureProperties = properties.get( renderTarget.texture ); + + if ( ! renderTarget ) return; + + if ( textureProperties.__webglTexture !== undefined ) { + + _gl.deleteTexture( textureProperties.__webglTexture ); + + } + + if ( renderTarget.depthTexture ) { + + renderTarget.depthTexture.dispose(); + + } + + if ( renderTarget.isWebGLCubeRenderTarget ) { + + for ( var i = 0; i < 6; i ++ ) { + + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] ); + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] ); + + } + + } else { + + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer ); + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer ); + + } + + properties.remove( renderTarget.texture ); + properties.remove( renderTarget ); + + } + + // + + var textureUnits = 0; + + function resetTextureUnits() { + + textureUnits = 0; + + } + + function allocateTextureUnit() { + + var textureUnit = textureUnits; + + if ( textureUnit >= maxTextures ) { + + console.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + maxTextures ); + + } + + textureUnits += 1; + + return textureUnit; + + } + + // + + function setTexture2D( texture, slot ) { + + var textureProperties = properties.get( texture ); + + if ( texture.isVideoTexture ) updateVideoTexture( texture ); + + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + + var image = texture.image; + + if ( image === undefined ) { + + console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined' ); + + } else if ( image.complete === false ) { + + console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' ); + + } else { + + uploadTexture( textureProperties, texture, slot ); + return; + + } + + } + + state.activeTexture( 33984 + slot ); + state.bindTexture( 3553, textureProperties.__webglTexture ); + + } + + function setTexture2DArray( texture, slot ) { + + var textureProperties = properties.get( texture ); + + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + + uploadTexture( textureProperties, texture, slot ); + return; + + } + + state.activeTexture( 33984 + slot ); + state.bindTexture( 35866, textureProperties.__webglTexture ); + + } + + function setTexture3D( texture, slot ) { + + var textureProperties = properties.get( texture ); + + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + + uploadTexture( textureProperties, texture, slot ); + return; + + } + + state.activeTexture( 33984 + slot ); + state.bindTexture( 32879, textureProperties.__webglTexture ); + + } + + function setTextureCube( texture, slot ) { + + if ( texture.image.length !== 6 ) return; + + var textureProperties = properties.get( texture ); + + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + + initTexture( textureProperties, texture ); + + state.activeTexture( 33984 + slot ); + state.bindTexture( 34067, textureProperties.__webglTexture ); + + _gl.pixelStorei( 37440, texture.flipY ); + + var isCompressed = ( texture && ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture ) ); + var isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture ); + + var cubeImage = []; + + for ( var i = 0; i < 6; i ++ ) { + + if ( ! isCompressed && ! isDataTexture ) { + + cubeImage[ i ] = resizeImage( texture.image[ i ], false, true, maxCubemapSize ); + + } else { + + cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ]; + + } + + } + + var image = cubeImage[ 0 ], + supportsMips = isPowerOfTwo( image ) || isWebGL2, + glFormat = utils.convert( texture.format ), + glType = utils.convert( texture.type ), + glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType ); + + setTextureParameters( 34067, texture, supportsMips ); + + var mipmaps; + + if ( isCompressed ) { + + for ( var i = 0; i < 6; i ++ ) { + + mipmaps = cubeImage[ i ].mipmaps; + + for ( var j = 0; j < mipmaps.length; j ++ ) { + + var mipmap = mipmaps[ j ]; + + if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { + + if ( glFormat !== null ) { + + state.compressedTexImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + + } else { + + console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' ); + + } + + } else { + + state.texImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + } + + } + + textureProperties.__maxMipLevel = mipmaps.length - 1; + + } else { + + mipmaps = texture.mipmaps; + + for ( var i = 0; i < 6; i ++ ) { + + if ( isDataTexture ) { + + state.texImage2D( 34069 + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data ); + + for ( var j = 0; j < mipmaps.length; j ++ ) { + + var mipmap = mipmaps[ j ]; + var mipmapImage = mipmap.image[ i ].image; + + state.texImage2D( 34069 + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data ); + + } + + } else { + + state.texImage2D( 34069 + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] ); + + for ( var j = 0; j < mipmaps.length; j ++ ) { + + var mipmap = mipmaps[ j ]; + + state.texImage2D( 34069 + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] ); + + } + + } + + } + + textureProperties.__maxMipLevel = mipmaps.length; + + } + + if ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) { + + // We assume images for cube map have the same size. + generateMipmap( 34067, texture, image.width, image.height ); + + } + + textureProperties.__version = texture.version; + + if ( texture.onUpdate ) texture.onUpdate( texture ); + + } else { + + state.activeTexture( 33984 + slot ); + state.bindTexture( 34067, textureProperties.__webglTexture ); + + } + + } + + function setTextureCubeDynamic( texture, slot ) { + + state.activeTexture( 33984 + slot ); + state.bindTexture( 34067, properties.get( texture ).__webglTexture ); + + } + + var wrappingToGL = { + [ RepeatWrapping ]: 10497, + [ ClampToEdgeWrapping ]: 33071, + [ MirroredRepeatWrapping ]: 33648 + }; + + var filterToGL = { + [ NearestFilter ]: 9728, + [ NearestMipmapNearestFilter ]: 9984, + [ NearestMipmapLinearFilter ]: 9986, + + [ LinearFilter ]: 9729, + [ LinearMipmapNearestFilter ]: 9985, + [ LinearMipmapLinearFilter ]: 9987 + }; + + function setTextureParameters( textureType, texture, supportsMips ) { + + if ( supportsMips ) { + + _gl.texParameteri( textureType, 10242, wrappingToGL[ texture.wrapS ] ); + _gl.texParameteri( textureType, 10243, wrappingToGL[ texture.wrapT ] ); + + if ( textureType === 32879 || textureType === 35866 ) { + + _gl.texParameteri( textureType, 32882, wrappingToGL[ texture.wrapR ] ); + + } + + _gl.texParameteri( textureType, 10240, filterToGL[ texture.magFilter ] ); + _gl.texParameteri( textureType, 10241, filterToGL[ texture.minFilter ] ); + + } else { + + _gl.texParameteri( textureType, 10242, 33071 ); + _gl.texParameteri( textureType, 10243, 33071 ); + + if ( textureType === 32879 || textureType === 35866 ) { + + _gl.texParameteri( textureType, 32882, 33071 ); + + } + + if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) { + + console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.' ); + + } + + _gl.texParameteri( textureType, 10240, filterFallback( texture.magFilter ) ); + _gl.texParameteri( textureType, 10241, filterFallback( texture.minFilter ) ); + + if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) { + + console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.' ); + + } + + } + + var extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + + if ( extension ) { + + if ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return; + if ( texture.type === HalfFloatType && ( isWebGL2 || extensions.get( 'OES_texture_half_float_linear' ) ) === null ) return; + + if ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) { + + _gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) ); + properties.get( texture ).__currentAnisotropy = texture.anisotropy; + + } + + } + + } + + function initTexture( textureProperties, texture ) { + + if ( textureProperties.__webglInit === undefined ) { + + textureProperties.__webglInit = true; + + texture.addEventListener( 'dispose', onTextureDispose ); + + textureProperties.__webglTexture = _gl.createTexture(); + + info.memory.textures ++; + + } + + } + + function uploadTexture( textureProperties, texture, slot ) { + + var textureType = 3553; + + if ( texture.isDataTexture2DArray ) textureType = 35866; + if ( texture.isDataTexture3D ) textureType = 32879; + + initTexture( textureProperties, texture ); + + state.activeTexture( 33984 + slot ); + state.bindTexture( textureType, textureProperties.__webglTexture ); + + _gl.pixelStorei( 37440, texture.flipY ); + _gl.pixelStorei( 37441, texture.premultiplyAlpha ); + _gl.pixelStorei( 3317, texture.unpackAlignment ); + + var needsPowerOfTwo = textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( texture.image ) === false; + var image = resizeImage( texture.image, needsPowerOfTwo, false, maxTextureSize ); + + var supportsMips = isPowerOfTwo( image ) || isWebGL2, + glFormat = utils.convert( texture.format ), + glType = utils.convert( texture.type ), + glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType ); + + setTextureParameters( textureType, texture, supportsMips ); + + var mipmap, mipmaps = texture.mipmaps; + + if ( texture.isDepthTexture ) { + + // populate depth texture with dummy data + + glInternalFormat = 6402; + + if ( texture.type === FloatType ) { + + if ( isWebGL2 === false ) throw new Error( 'Float Depth Texture only supported in WebGL2.0' ); + glInternalFormat = 36012; + + } else if ( isWebGL2 ) { + + // WebGL 2.0 requires signed internalformat for glTexImage2D + glInternalFormat = 33189; + + } + + if ( texture.format === DepthFormat && glInternalFormat === 6402 ) { + + // The error INVALID_OPERATION is generated by texImage2D if format and internalformat are + // DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + if ( texture.type !== UnsignedShortType && texture.type !== UnsignedIntType ) { + + console.warn( 'THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.' ); + + texture.type = UnsignedShortType; + glType = utils.convert( texture.type ); + + } + + } + + // Depth stencil textures need the DEPTH_STENCIL internal format + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + if ( texture.format === DepthStencilFormat ) { + + glInternalFormat = 34041; + + // The error INVALID_OPERATION is generated by texImage2D if format and internalformat are + // DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL. + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + if ( texture.type !== UnsignedInt248Type ) { + + console.warn( 'THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.' ); + + texture.type = UnsignedInt248Type; + glType = utils.convert( texture.type ); + + } + + } + + state.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null ); + + } else if ( texture.isDataTexture ) { + + // use manually created mipmaps if available + // if there are no manual mipmaps + // set 0 level mipmap and then use GL to generate other mipmap levels + + if ( mipmaps.length > 0 && supportsMips ) { + + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + state.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + texture.generateMipmaps = false; + textureProperties.__maxMipLevel = mipmaps.length - 1; + + } else { + + state.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data ); + textureProperties.__maxMipLevel = 0; + + } + + } else if ( texture.isCompressedTexture ) { + + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + + if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { + + if ( glFormat !== null ) { + + state.compressedTexImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + + } else { + + console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' ); + + } + + } else { + + state.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + } + + textureProperties.__maxMipLevel = mipmaps.length - 1; + + } else if ( texture.isDataTexture2DArray ) { + + state.texImage3D( 35866, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data ); + textureProperties.__maxMipLevel = 0; + + } else if ( texture.isDataTexture3D ) { + + state.texImage3D( 32879, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data ); + textureProperties.__maxMipLevel = 0; + + } else { + + // regular Texture (image, video, canvas) + + // use manually created mipmaps if available + // if there are no manual mipmaps + // set 0 level mipmap and then use GL to generate other mipmap levels + + if ( mipmaps.length > 0 && supportsMips ) { + + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + state.texImage2D( 3553, i, glInternalFormat, glFormat, glType, mipmap ); + + } + + texture.generateMipmaps = false; + textureProperties.__maxMipLevel = mipmaps.length - 1; + + } else { + + state.texImage2D( 3553, 0, glInternalFormat, glFormat, glType, image ); + textureProperties.__maxMipLevel = 0; + + } + + } + + if ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) { + + generateMipmap( textureType, texture, image.width, image.height ); + + } + + textureProperties.__version = texture.version; + + if ( texture.onUpdate ) texture.onUpdate( texture ); + + } + + // Render targets + + // Setup storage for target texture and bind it to correct framebuffer + function setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) { + + var glFormat = utils.convert( renderTarget.texture.format ); + var glType = utils.convert( renderTarget.texture.type ); + var glInternalFormat = getInternalFormat( renderTarget.texture.internalFormat, glFormat, glType ); + state.texImage2D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null ); + _gl.bindFramebuffer( 36160, framebuffer ); + _gl.framebufferTexture2D( 36160, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 ); + _gl.bindFramebuffer( 36160, null ); + + } + + // Setup storage for internal depth/stencil buffers and bind to correct framebuffer + function setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) { + + _gl.bindRenderbuffer( 36161, renderbuffer ); + + if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) { + + if ( isMultisample ) { + + var samples = getRenderTargetSamples( renderTarget ); + + _gl.renderbufferStorageMultisample( 36161, samples, 33189, renderTarget.width, renderTarget.height ); + + } else { + + _gl.renderbufferStorage( 36161, 33189, renderTarget.width, renderTarget.height ); + + } + + _gl.framebufferRenderbuffer( 36160, 36096, 36161, renderbuffer ); + + } else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) { + + if ( isMultisample ) { + + var samples = getRenderTargetSamples( renderTarget ); + + _gl.renderbufferStorageMultisample( 36161, samples, 35056, renderTarget.width, renderTarget.height ); + + } else { + + _gl.renderbufferStorage( 36161, 34041, renderTarget.width, renderTarget.height ); + + } + + + _gl.framebufferRenderbuffer( 36160, 33306, 36161, renderbuffer ); + + } else { + + var glFormat = utils.convert( renderTarget.texture.format ); + var glType = utils.convert( renderTarget.texture.type ); + var glInternalFormat = getInternalFormat( renderTarget.texture.internalFormat, glFormat, glType ); + + if ( isMultisample ) { + + var samples = getRenderTargetSamples( renderTarget ); + + _gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + + } else { + + _gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height ); + + } + + } + + _gl.bindRenderbuffer( 36161, null ); + + } + + // Setup resources for a Depth Texture for a FBO (needs an extension) + function setupDepthTexture( framebuffer, renderTarget ) { + + var isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget ); + if ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' ); + + _gl.bindFramebuffer( 36160, framebuffer ); + + if ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) { + + throw new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' ); + + } + + // upload an empty depth texture with framebuffer size + if ( ! properties.get( renderTarget.depthTexture ).__webglTexture || + renderTarget.depthTexture.image.width !== renderTarget.width || + renderTarget.depthTexture.image.height !== renderTarget.height ) { + + renderTarget.depthTexture.image.width = renderTarget.width; + renderTarget.depthTexture.image.height = renderTarget.height; + renderTarget.depthTexture.needsUpdate = true; + + } + + setTexture2D( renderTarget.depthTexture, 0 ); + + var webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture; + + if ( renderTarget.depthTexture.format === DepthFormat ) { + + _gl.framebufferTexture2D( 36160, 36096, 3553, webglDepthTexture, 0 ); + + } else if ( renderTarget.depthTexture.format === DepthStencilFormat ) { + + _gl.framebufferTexture2D( 36160, 33306, 3553, webglDepthTexture, 0 ); + + } else { + + throw new Error( 'Unknown depthTexture format' ); + + } + + } + + // Setup GL resources for a non-texture depth buffer + function setupDepthRenderbuffer( renderTarget ) { + + var renderTargetProperties = properties.get( renderTarget ); + + var isCube = ( renderTarget.isWebGLCubeRenderTarget === true ); + + if ( renderTarget.depthTexture ) { + + if ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' ); + + setupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget ); + + } else { + + if ( isCube ) { + + renderTargetProperties.__webglDepthbuffer = []; + + for ( var i = 0; i < 6; i ++ ) { + + _gl.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer[ i ] ); + renderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget ); + + } + + } else { + + _gl.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer ); + renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget ); + + } + + } + + _gl.bindFramebuffer( 36160, null ); + + } + + // Set up GL resources for the render target + function setupRenderTarget( renderTarget ) { + + var renderTargetProperties = properties.get( renderTarget ); + var textureProperties = properties.get( renderTarget.texture ); + + renderTarget.addEventListener( 'dispose', onRenderTargetDispose ); + + textureProperties.__webglTexture = _gl.createTexture(); + + info.memory.textures ++; + + var isCube = ( renderTarget.isWebGLCubeRenderTarget === true ); + var isMultisample = ( renderTarget.isWebGLMultisampleRenderTarget === true ); + var supportsMips = isPowerOfTwo( renderTarget ) || isWebGL2; + + // Setup framebuffer + + if ( isCube ) { + + renderTargetProperties.__webglFramebuffer = []; + + for ( var i = 0; i < 6; i ++ ) { + + renderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer(); + + } + + } else { + + renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); + + if ( isMultisample ) { + + if ( isWebGL2 ) { + + renderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer(); + renderTargetProperties.__webglColorRenderbuffer = _gl.createRenderbuffer(); + + _gl.bindRenderbuffer( 36161, renderTargetProperties.__webglColorRenderbuffer ); + + var glFormat = utils.convert( renderTarget.texture.format ); + var glType = utils.convert( renderTarget.texture.type ); + var glInternalFormat = getInternalFormat( renderTarget.texture.internalFormat, glFormat, glType ); + var samples = getRenderTargetSamples( renderTarget ); + _gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + + _gl.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer ); + _gl.framebufferRenderbuffer( 36160, 36064, 36161, renderTargetProperties.__webglColorRenderbuffer ); + _gl.bindRenderbuffer( 36161, null ); + + if ( renderTarget.depthBuffer ) { + + renderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true ); + + } + + _gl.bindFramebuffer( 36160, null ); + + + } else { + + console.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' ); + + } + + } + + } + + // Setup color buffer + + if ( isCube ) { + + state.bindTexture( 34067, textureProperties.__webglTexture ); + setTextureParameters( 34067, renderTarget.texture, supportsMips ); + + for ( var i = 0; i < 6; i ++ ) { + + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, 36064, 34069 + i ); + + } + + if ( textureNeedsGenerateMipmaps( renderTarget.texture, supportsMips ) ) { + + generateMipmap( 34067, renderTarget.texture, renderTarget.width, renderTarget.height ); + + } + + state.bindTexture( 34067, null ); + + } else { + + state.bindTexture( 3553, textureProperties.__webglTexture ); + setTextureParameters( 3553, renderTarget.texture, supportsMips ); + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, 36064, 3553 ); + + if ( textureNeedsGenerateMipmaps( renderTarget.texture, supportsMips ) ) { + + generateMipmap( 3553, renderTarget.texture, renderTarget.width, renderTarget.height ); + + } + + state.bindTexture( 3553, null ); + + } + + // Setup depth and stencil buffers + + if ( renderTarget.depthBuffer ) { + + setupDepthRenderbuffer( renderTarget ); + + } + + } + + function updateRenderTargetMipmap( renderTarget ) { + + var texture = renderTarget.texture; + var supportsMips = isPowerOfTwo( renderTarget ) || isWebGL2; + + if ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) { + + var target = renderTarget.isWebGLCubeRenderTarget ? 34067 : 3553; + var webglTexture = properties.get( texture ).__webglTexture; + + state.bindTexture( target, webglTexture ); + generateMipmap( target, texture, renderTarget.width, renderTarget.height ); + state.bindTexture( target, null ); + + } + + } + + function updateMultisampleRenderTarget( renderTarget ) { + + if ( renderTarget.isWebGLMultisampleRenderTarget ) { + + if ( isWebGL2 ) { + + var renderTargetProperties = properties.get( renderTarget ); + + _gl.bindFramebuffer( 36008, renderTargetProperties.__webglMultisampledFramebuffer ); + _gl.bindFramebuffer( 36009, renderTargetProperties.__webglFramebuffer ); + + var width = renderTarget.width; + var height = renderTarget.height; + var mask = 16384; + + if ( renderTarget.depthBuffer ) mask |= 256; + if ( renderTarget.stencilBuffer ) mask |= 1024; + + _gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, 9728 ); + + } else { + + console.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' ); + + } + + } + + } + + function getRenderTargetSamples( renderTarget ) { + + return ( isWebGL2 && renderTarget.isWebGLMultisampleRenderTarget ) ? + Math.min( maxSamples, renderTarget.samples ) : 0; + + } + + function updateVideoTexture( texture ) { + + var frame = info.render.frame; + + // Check the last frame we updated the VideoTexture + + if ( _videoTextures.get( texture ) !== frame ) { + + _videoTextures.set( texture, frame ); + texture.update(); + + } + + } + + // backwards compatibility + + var warnedTexture2D = false; + var warnedTextureCube = false; + + function safeSetTexture2D( texture, slot ) { + + if ( texture && texture.isWebGLRenderTarget ) { + + if ( warnedTexture2D === false ) { + + console.warn( "THREE.WebGLTextures.safeSetTexture2D: don't use render targets as textures. Use their .texture property instead." ); + warnedTexture2D = true; + + } + + texture = texture.texture; + + } + + setTexture2D( texture, slot ); + + } + + function safeSetTextureCube( texture, slot ) { + + if ( texture && texture.isWebGLCubeRenderTarget ) { + + if ( warnedTextureCube === false ) { + + console.warn( "THREE.WebGLTextures.safeSetTextureCube: don't use cube render targets as textures. Use their .texture property instead." ); + warnedTextureCube = true; + + } + + texture = texture.texture; + + } + + // currently relying on the fact that WebGLCubeRenderTarget.texture is a Texture and NOT a CubeTexture + // TODO: unify these code paths + if ( ( texture && texture.isCubeTexture ) || + ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) { + + // CompressedTexture can have Array in image :/ + + // this function alone should take care of cube textures + setTextureCube( texture, slot ); + + } else { + + // assumed: texture property of THREE.WebGLCubeRenderTarget + setTextureCubeDynamic( texture, slot ); + + } + + } + + // + + this.allocateTextureUnit = allocateTextureUnit; + this.resetTextureUnits = resetTextureUnits; + + this.setTexture2D = setTexture2D; + this.setTexture2DArray = setTexture2DArray; + this.setTexture3D = setTexture3D; + this.setTextureCube = setTextureCube; + this.setTextureCubeDynamic = setTextureCubeDynamic; + this.setupRenderTarget = setupRenderTarget; + this.updateRenderTargetMipmap = updateRenderTargetMipmap; + this.updateMultisampleRenderTarget = updateMultisampleRenderTarget; + + this.safeSetTexture2D = safeSetTexture2D; + this.safeSetTextureCube = safeSetTextureCube; + +} + +/** + * @author thespite / http://www.twitter.com/thespite + */ + +function WebGLUtils( gl, extensions, capabilities ) { + + var isWebGL2 = capabilities.isWebGL2; + + function convert( p ) { + + var extension; + + if ( p === UnsignedByteType ) return 5121; + if ( p === UnsignedShort4444Type ) return 32819; + if ( p === UnsignedShort5551Type ) return 32820; + if ( p === UnsignedShort565Type ) return 33635; + + if ( p === ByteType ) return 5120; + if ( p === ShortType ) return 5122; + if ( p === UnsignedShortType ) return 5123; + if ( p === IntType ) return 5124; + if ( p === UnsignedIntType ) return 5125; + if ( p === FloatType ) return 5126; + + if ( p === HalfFloatType ) { + + if ( isWebGL2 ) return 5131; + + extension = extensions.get( 'OES_texture_half_float' ); + + if ( extension !== null ) { + + return extension.HALF_FLOAT_OES; + + } else { + + return null; + + } + + } + + if ( p === AlphaFormat ) return 6406; + if ( p === RGBFormat ) return 6407; + if ( p === RGBAFormat ) return 6408; + if ( p === LuminanceFormat ) return 6409; + if ( p === LuminanceAlphaFormat ) return 6410; + if ( p === DepthFormat ) return 6402; + if ( p === DepthStencilFormat ) return 34041; + if ( p === RedFormat ) return 6403; + + // WebGL2 formats. + + if ( p === RedIntegerFormat ) return 36244; + if ( p === RGFormat ) return 33319; + if ( p === RGIntegerFormat ) return 33320; + if ( p === RGBIntegerFormat ) return 36248; + if ( p === RGBAIntegerFormat ) return 36249; + + if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || + p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_s3tc' ); + + if ( extension !== null ) { + + if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; + if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; + + } else { + + return null; + + } + + } + + if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || + p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' ); + + if ( extension !== null ) { + + if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; + if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; + if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; + if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; + + } else { + + return null; + + } + + } + + if ( p === RGB_ETC1_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_etc1' ); + + if ( extension !== null ) { + + return extension.COMPRESSED_RGB_ETC1_WEBGL; + + } else { + + return null; + + } + + } + + if ( p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_etc' ); + + if ( extension !== null ) { + + if ( p === RGB_ETC2_Format ) return extension.COMPRESSED_RGB8_ETC2; + if ( p === RGBA_ETC2_EAC_Format ) return extension.COMPRESSED_RGBA8_ETC2_EAC; + + } + + } + + if ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format || + p === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format || + p === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format || + p === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format || + p === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format || + p === SRGB8_ALPHA8_ASTC_4x4_Format || p === SRGB8_ALPHA8_ASTC_5x4_Format || p === SRGB8_ALPHA8_ASTC_5x5_Format || + p === SRGB8_ALPHA8_ASTC_6x5_Format || p === SRGB8_ALPHA8_ASTC_6x6_Format || p === SRGB8_ALPHA8_ASTC_8x5_Format || + p === SRGB8_ALPHA8_ASTC_8x6_Format || p === SRGB8_ALPHA8_ASTC_8x8_Format || p === SRGB8_ALPHA8_ASTC_10x5_Format || + p === SRGB8_ALPHA8_ASTC_10x6_Format || p === SRGB8_ALPHA8_ASTC_10x8_Format || p === SRGB8_ALPHA8_ASTC_10x10_Format || + p === SRGB8_ALPHA8_ASTC_12x10_Format || p === SRGB8_ALPHA8_ASTC_12x12_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_astc' ); + + if ( extension !== null ) { + + // TODO Complete? + + return p; + + } else { + + return null; + + } + + } + + if ( p === UnsignedInt248Type ) { + + if ( isWebGL2 ) return 34042; + + extension = extensions.get( 'WEBGL_depth_texture' ); + + if ( extension !== null ) { + + return extension.UNSIGNED_INT_24_8_WEBGL; + + } else { + + return null; + + } + + } + + } + + return { convert: convert }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function ArrayCamera( array ) { + + PerspectiveCamera.call( this ); + + this.cameras = array || []; + +} + +ArrayCamera.prototype = Object.assign( Object.create( PerspectiveCamera.prototype ), { + + constructor: ArrayCamera, + + isArrayCamera: true + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function Group() { + + Object3D.call( this ); + + this.type = 'Group'; + +} + +Group.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Group, + + isGroup: true + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebXRManager( renderer, gl ) { + + var scope = this; + + var session = null; + + var framebufferScaleFactor = 1.0; + + var referenceSpace = null; + var referenceSpaceType = 'local-floor'; + + var pose = null; + + var controllers = []; + var inputSourcesMap = new Map(); + + // + + var cameraL = new PerspectiveCamera(); + cameraL.layers.enable( 1 ); + cameraL.viewport = new Vector4(); + + var cameraR = new PerspectiveCamera(); + cameraR.layers.enable( 2 ); + cameraR.viewport = new Vector4(); + + var cameraVR = new ArrayCamera( [ cameraL, cameraR ] ); + cameraVR.layers.enable( 1 ); + cameraVR.layers.enable( 2 ); + + var _currentDepthNear = null; + var _currentDepthFar = null; + + // + + this.enabled = false; + + this.isPresenting = false; + + this.getController = function ( id ) { + + var controller = controllers[ id ]; + + if ( controller === undefined ) { + + controller = {}; + controllers[ id ] = controller; + + } + + if ( controller.targetRay === undefined ) { + + controller.targetRay = new Group(); + controller.targetRay.matrixAutoUpdate = false; + controller.targetRay.visible = false; + + } + + return controller.targetRay; + + }; + + this.getControllerGrip = function ( id ) { + + var controller = controllers[ id ]; + + if ( controller === undefined ) { + + controller = {}; + controllers[ id ] = controller; + + } + + if ( controller.grip === undefined ) { + + controller.grip = new Group(); + controller.grip.matrixAutoUpdate = false; + controller.grip.visible = false; + + } + + return controller.grip; + + }; + + // + + function onSessionEvent( event ) { + + var controller = inputSourcesMap.get( event.inputSource ); + + if ( controller ) { + + if ( controller.targetRay ) { + + controller.targetRay.dispatchEvent( { type: event.type } ); + + } + + if ( controller.grip ) { + + controller.grip.dispatchEvent( { type: event.type } ); + + } + + } + + } + + function onSessionEnd() { + + inputSourcesMap.forEach( function ( controller, inputSource ) { + + if ( controller.targetRay ) { + + controller.targetRay.dispatchEvent( { type: 'disconnected', data: inputSource } ); + controller.targetRay.visible = false; + + } + + if ( controller.grip ) { + + controller.grip.dispatchEvent( { type: 'disconnected', data: inputSource } ); + controller.grip.visible = false; + + } + + } ); + + inputSourcesMap.clear(); + + // + + renderer.setFramebuffer( null ); + renderer.setRenderTarget( renderer.getRenderTarget() ); // Hack #15830 + animation.stop(); + + scope.isPresenting = false; + + scope.dispatchEvent( { type: 'sessionend' } ); + + } + + function onRequestReferenceSpace( value ) { + + referenceSpace = value; + + animation.setContext( session ); + animation.start(); + + scope.isPresenting = true; + + scope.dispatchEvent( { type: 'sessionstart' } ); + + } + + this.setFramebufferScaleFactor = function ( value ) { + + framebufferScaleFactor = value; + + // Warn if function is used while presenting + if ( scope.isPresenting == true ) { + + console.warn( "WebXRManager: Cannot change framebuffer scale while presenting VR content" ); + + } + + }; + + this.setReferenceSpaceType = function ( value ) { + + referenceSpaceType = value; + + }; + + this.getReferenceSpace = function () { + + return referenceSpace; + + }; + + this.getSession = function () { + + return session; + + }; + + this.setSession = function ( value ) { + + session = value; + + if ( session !== null ) { + + session.addEventListener( 'select', onSessionEvent ); + session.addEventListener( 'selectstart', onSessionEvent ); + session.addEventListener( 'selectend', onSessionEvent ); + session.addEventListener( 'squeeze', onSessionEvent ); + session.addEventListener( 'squeezestart', onSessionEvent ); + session.addEventListener( 'squeezeend', onSessionEvent ); + session.addEventListener( 'end', onSessionEnd ); + + var attributes = gl.getContextAttributes(); + + var layerInit = { + antialias: attributes.antialias, + alpha: attributes.alpha, + depth: attributes.depth, + stencil: attributes.stencil, + framebufferScaleFactor: framebufferScaleFactor + }; + + // eslint-disable-next-line no-undef + var baseLayer = new XRWebGLLayer( session, gl, layerInit ); + + session.updateRenderState( { baseLayer: baseLayer } ); + + session.requestReferenceSpace( referenceSpaceType ).then( onRequestReferenceSpace ); + + // + + session.addEventListener( 'inputsourceschange', updateInputSources ); + + } + + }; + + function updateInputSources( event ) { + + var inputSources = session.inputSources; + + // Assign inputSources to available controllers + + for ( var i = 0; i < controllers.length; i ++ ) { + + inputSourcesMap.set( inputSources[ i ], controllers[ i ] ); + + } + + // Notify disconnected + + for ( var i = 0; i < event.removed.length; i ++ ) { + + var inputSource = event.removed[ i ]; + var controller = inputSourcesMap.get( inputSource ); + + if ( controller ) { + + if ( controller.targetRay ) { + + controller.targetRay.dispatchEvent( { type: 'disconnected', data: inputSource } ); + + } + + if ( controller.grip ) { + + controller.grip.dispatchEvent( { type: 'disconnected', data: inputSource } ); + + } + + inputSourcesMap.delete( inputSource ); + + } + + } + + // Notify connected + + for ( var i = 0; i < event.added.length; i ++ ) { + + var inputSource = event.added[ i ]; + var controller = inputSourcesMap.get( inputSource ); + + if ( controller ) { + + if ( controller.targetRay ) { + + controller.targetRay.dispatchEvent( { type: 'connected', data: inputSource } ); + + } + + if ( controller.grip ) { + + controller.grip.dispatchEvent( { type: 'connected', data: inputSource } ); + + } + + } + + } + + } + + // + + var cameraLPos = new Vector3(); + var cameraRPos = new Vector3(); + + /** + * @author jsantell / https://www.jsantell.com/ + * + * Assumes 2 cameras that are parallel and share an X-axis, and that + * the cameras' projection and world matrices have already been set. + * And that near and far planes are identical for both cameras. + * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765 + */ + function setProjectionFromUnion( camera, cameraL, cameraR ) { + + cameraLPos.setFromMatrixPosition( cameraL.matrixWorld ); + cameraRPos.setFromMatrixPosition( cameraR.matrixWorld ); + + var ipd = cameraLPos.distanceTo( cameraRPos ); + + var projL = cameraL.projectionMatrix.elements; + var projR = cameraR.projectionMatrix.elements; + + // VR systems will have identical far and near planes, and + // most likely identical top and bottom frustum extents. + // Use the left camera for these values. + var near = projL[ 14 ] / ( projL[ 10 ] - 1 ); + var far = projL[ 14 ] / ( projL[ 10 ] + 1 ); + var topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ]; + var bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ]; + + var leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ]; + var rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ]; + var left = near * leftFov; + var right = near * rightFov; + + // Calculate the new camera's position offset from the + // left camera. xOffset should be roughly half `ipd`. + var zOffset = ipd / ( - leftFov + rightFov ); + var xOffset = zOffset * - leftFov; + + // TODO: Better way to apply this offset? + cameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale ); + camera.translateX( xOffset ); + camera.translateZ( zOffset ); + camera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale ); + camera.matrixWorldInverse.getInverse( camera.matrixWorld ); + + // Find the union of the frustum values of the cameras and scale + // the values so that the near plane's position does not change in world space, + // although must now be relative to the new union camera. + var near2 = near + zOffset; + var far2 = far + zOffset; + var left2 = left - xOffset; + var right2 = right + ( ipd - xOffset ); + var top2 = topFov * far / far2 * near2; + var bottom2 = bottomFov * far / far2 * near2; + + camera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 ); + + } + + function updateCamera( camera, parent ) { + + if ( parent === null ) { + + camera.matrixWorld.copy( camera.matrix ); + + } else { + + camera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix ); + + } + + camera.matrixWorldInverse.getInverse( camera.matrixWorld ); + + } + + this.getCamera = function ( camera ) { + + cameraVR.near = cameraR.near = cameraL.near = camera.near; + cameraVR.far = cameraR.far = cameraL.far = camera.far; + + if ( _currentDepthNear !== cameraVR.near || _currentDepthFar !== cameraVR.far ) { + + // Note that the new renderState won't apply until the next frame. See #18320 + + session.updateRenderState( { + depthNear: cameraVR.near, + depthFar: cameraVR.far + } ); + + _currentDepthNear = cameraVR.near; + _currentDepthFar = cameraVR.far; + + } + + var parent = camera.parent; + var cameras = cameraVR.cameras; + + updateCamera( cameraVR, parent ); + + for ( var i = 0; i < cameras.length; i ++ ) { + + updateCamera( cameras[ i ], parent ); + + } + + // update camera and its children + + camera.matrixWorld.copy( cameraVR.matrixWorld ); + + var children = camera.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].updateMatrixWorld( true ); + + } + + setProjectionFromUnion( cameraVR, cameraL, cameraR ); + + return cameraVR; + + }; + + // Animation Loop + + var onAnimationFrameCallback = null; + + function onAnimationFrame( time, frame ) { + + pose = frame.getViewerPose( referenceSpace ); + + if ( pose !== null ) { + + var views = pose.views; + var baseLayer = session.renderState.baseLayer; + + renderer.setFramebuffer( baseLayer.framebuffer ); + + for ( var i = 0; i < views.length; i ++ ) { + + var view = views[ i ]; + var viewport = baseLayer.getViewport( view ); + + var camera = cameraVR.cameras[ i ]; + camera.matrix.fromArray( view.transform.matrix ); + camera.projectionMatrix.fromArray( view.projectionMatrix ); + camera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height ); + + if ( i === 0 ) { + + cameraVR.matrix.copy( camera.matrix ); + + } + + } + + } + + // + + var inputSources = session.inputSources; + + for ( var i = 0; i < controllers.length; i ++ ) { + + var controller = controllers[ i ]; + + var inputSource = inputSources[ i ]; + + var inputPose = null; + var gripPose = null; + + if ( inputSource ) { + + if ( controller.targetRay ) { + + inputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace ); + + if ( inputPose !== null ) { + + controller.targetRay.matrix.fromArray( inputPose.transform.matrix ); + controller.targetRay.matrix.decompose( controller.targetRay.position, controller.targetRay.rotation, controller.targetRay.scale ); + + } + + } + + if ( controller.grip && inputSource.gripSpace ) { + + gripPose = frame.getPose( inputSource.gripSpace, referenceSpace ); + + if ( gripPose !== null ) { + + controller.grip.matrix.fromArray( gripPose.transform.matrix ); + controller.grip.matrix.decompose( controller.grip.position, controller.grip.rotation, controller.grip.scale ); + + } + + } + + } + + if ( controller.targetRay ) { + + controller.targetRay.visible = inputPose !== null; + + } + + if ( controller.grip ) { + + controller.grip.visible = gripPose !== null; + + } + + } + + if ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame ); + + } + + var animation = new WebGLAnimation(); + animation.setAnimationLoop( onAnimationFrame ); + + this.setAnimationLoop = function ( callback ) { + + onAnimationFrameCallback = callback; + + }; + + this.dispose = function () {}; + +} + +Object.assign( WebXRManager.prototype, EventDispatcher.prototype ); + +/** + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author szimek / https://github.com/szimek/ + * @author tschw + */ + +function WebGLRenderer( parameters ) { + + parameters = parameters || {}; + + var _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ), + _context = parameters.context !== undefined ? parameters.context : null, + + _alpha = parameters.alpha !== undefined ? parameters.alpha : false, + _depth = parameters.depth !== undefined ? parameters.depth : true, + _stencil = parameters.stencil !== undefined ? parameters.stencil : true, + _antialias = parameters.antialias !== undefined ? parameters.antialias : false, + _premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true, + _preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false, + _powerPreference = parameters.powerPreference !== undefined ? parameters.powerPreference : 'default', + _failIfMajorPerformanceCaveat = parameters.failIfMajorPerformanceCaveat !== undefined ? parameters.failIfMajorPerformanceCaveat : false; + + var currentRenderList = null; + var currentRenderState = null; + + // public properties + + this.domElement = _canvas; + + // Debug configuration container + this.debug = { + + /** + * Enables error checking and reporting when shader programs are being compiled + * @type {boolean} + */ + checkShaderErrors: true + }; + + // clearing + + this.autoClear = true; + this.autoClearColor = true; + this.autoClearDepth = true; + this.autoClearStencil = true; + + // scene graph + + this.sortObjects = true; + + // user-defined clipping + + this.clippingPlanes = []; + this.localClippingEnabled = false; + + // physically based shading + + this.gammaFactor = 2.0; // for backwards compatibility + this.outputEncoding = LinearEncoding; + + // physical lights + + this.physicallyCorrectLights = false; + + // tone mapping + + this.toneMapping = LinearToneMapping; + this.toneMappingExposure = 1.0; + this.toneMappingWhitePoint = 1.0; + + // morphs + + this.maxMorphTargets = 8; + this.maxMorphNormals = 4; + + // internal properties + + var _this = this, + + _isContextLost = false, + + // internal state cache + + _framebuffer = null, + + _currentActiveCubeFace = 0, + _currentActiveMipmapLevel = 0, + _currentRenderTarget = null, + _currentFramebuffer = null, + _currentMaterialId = - 1, + + // geometry and program caching + + _currentGeometryProgram = { + geometry: null, + program: null, + wireframe: false + }, + + _currentCamera = null, + _currentArrayCamera = null, + + _currentViewport = new Vector4(), + _currentScissor = new Vector4(), + _currentScissorTest = null, + + // + + _width = _canvas.width, + _height = _canvas.height, + + _pixelRatio = 1, + _opaqueSort = null, + _transparentSort = null, + + _viewport = new Vector4( 0, 0, _width, _height ), + _scissor = new Vector4( 0, 0, _width, _height ), + _scissorTest = false, + + // frustum + + _frustum = new Frustum(), + + // clipping + + _clipping = new WebGLClipping(), + _clippingEnabled = false, + _localClippingEnabled = false, + + // camera matrices cache + + _projScreenMatrix = new Matrix4(), + + _vector3 = new Vector3(); + + function getTargetPixelRatio() { + + return _currentRenderTarget === null ? _pixelRatio : 1; + + } + + // initialize + + var _gl; + + try { + + var contextAttributes = { + alpha: _alpha, + depth: _depth, + stencil: _stencil, + antialias: _antialias, + premultipliedAlpha: _premultipliedAlpha, + preserveDrawingBuffer: _preserveDrawingBuffer, + powerPreference: _powerPreference, + failIfMajorPerformanceCaveat: _failIfMajorPerformanceCaveat, + xrCompatible: true + }; + + // event listeners must be registered before WebGL context is created, see #12753 + + _canvas.addEventListener( 'webglcontextlost', onContextLost, false ); + _canvas.addEventListener( 'webglcontextrestored', onContextRestore, false ); + + _gl = _context || _canvas.getContext( 'webgl', contextAttributes ) || _canvas.getContext( 'experimental-webgl', contextAttributes ); + + if ( _gl === null ) { + + if ( _canvas.getContext( 'webgl' ) !== null ) { + + throw new Error( 'Error creating WebGL context with your selected attributes.' ); + + } else { + + throw new Error( 'Error creating WebGL context.' ); + + } + + } + + // Some experimental-webgl implementations do not have getShaderPrecisionFormat + + if ( _gl.getShaderPrecisionFormat === undefined ) { + + _gl.getShaderPrecisionFormat = function () { + + return { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 }; + + }; + + } + + } catch ( error ) { + + console.error( 'THREE.WebGLRenderer: ' + error.message ); + throw error; + + } + + var extensions, capabilities, state, info; + var properties, textures, attributes, geometries, objects; + var programCache, renderLists, renderStates; + + var background, morphtargets, bufferRenderer, indexedBufferRenderer; + + var utils; + + function initGLContext() { + + extensions = new WebGLExtensions( _gl ); + + capabilities = new WebGLCapabilities( _gl, extensions, parameters ); + + if ( capabilities.isWebGL2 === false ) { + + extensions.get( 'WEBGL_depth_texture' ); + extensions.get( 'OES_texture_float' ); + extensions.get( 'OES_texture_half_float' ); + extensions.get( 'OES_texture_half_float_linear' ); + extensions.get( 'OES_standard_derivatives' ); + extensions.get( 'OES_element_index_uint' ); + extensions.get( 'ANGLE_instanced_arrays' ); + + } + + extensions.get( 'OES_texture_float_linear' ); + + utils = new WebGLUtils( _gl, extensions, capabilities ); + + state = new WebGLState( _gl, extensions, capabilities ); + state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor() ); + state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor() ); + + info = new WebGLInfo( _gl ); + properties = new WebGLProperties(); + textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ); + attributes = new WebGLAttributes( _gl, capabilities ); + geometries = new WebGLGeometries( _gl, attributes, info ); + objects = new WebGLObjects( _gl, geometries, attributes, info ); + morphtargets = new WebGLMorphtargets( _gl ); + programCache = new WebGLPrograms( _this, extensions, capabilities ); + renderLists = new WebGLRenderLists(); + renderStates = new WebGLRenderStates(); + + background = new WebGLBackground( _this, state, objects, _premultipliedAlpha ); + + bufferRenderer = new WebGLBufferRenderer( _gl, extensions, info, capabilities ); + indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info, capabilities ); + + info.programs = programCache.programs; + + _this.capabilities = capabilities; + _this.extensions = extensions; + _this.properties = properties; + _this.renderLists = renderLists; + _this.state = state; + _this.info = info; + + } + + initGLContext(); + + // xr + + var xr = new WebXRManager( _this, _gl ); + + this.xr = xr; + + // shadow map + + var shadowMap = new WebGLShadowMap( _this, objects, capabilities.maxTextureSize ); + + this.shadowMap = shadowMap; + + // API + + this.getContext = function () { + + return _gl; + + }; + + this.getContextAttributes = function () { + + return _gl.getContextAttributes(); + + }; + + this.forceContextLoss = function () { + + var extension = extensions.get( 'WEBGL_lose_context' ); + if ( extension ) extension.loseContext(); + + }; + + this.forceContextRestore = function () { + + var extension = extensions.get( 'WEBGL_lose_context' ); + if ( extension ) extension.restoreContext(); + + }; + + this.getPixelRatio = function () { + + return _pixelRatio; + + }; + + this.setPixelRatio = function ( value ) { + + if ( value === undefined ) return; + + _pixelRatio = value; + + this.setSize( _width, _height, false ); + + }; + + this.getSize = function ( target ) { + + if ( target === undefined ) { + + console.warn( 'WebGLRenderer: .getsize() now requires a Vector2 as an argument' ); + + target = new Vector2(); + + } + + return target.set( _width, _height ); + + }; + + this.setSize = function ( width, height, updateStyle ) { + + if ( xr.isPresenting ) { + + console.warn( 'THREE.WebGLRenderer: Can\'t change size while VR device is presenting.' ); + return; + + } + + _width = width; + _height = height; + + _canvas.width = Math.floor( width * _pixelRatio ); + _canvas.height = Math.floor( height * _pixelRatio ); + + if ( updateStyle !== false ) { + + _canvas.style.width = width + 'px'; + _canvas.style.height = height + 'px'; + + } + + this.setViewport( 0, 0, width, height ); + + }; + + this.getDrawingBufferSize = function ( target ) { + + if ( target === undefined ) { + + console.warn( 'WebGLRenderer: .getdrawingBufferSize() now requires a Vector2 as an argument' ); + + target = new Vector2(); + + } + + return target.set( _width * _pixelRatio, _height * _pixelRatio ).floor(); + + }; + + this.setDrawingBufferSize = function ( width, height, pixelRatio ) { + + _width = width; + _height = height; + + _pixelRatio = pixelRatio; + + _canvas.width = Math.floor( width * pixelRatio ); + _canvas.height = Math.floor( height * pixelRatio ); + + this.setViewport( 0, 0, width, height ); + + }; + + this.getCurrentViewport = function ( target ) { + + if ( target === undefined ) { + + console.warn( 'WebGLRenderer: .getCurrentViewport() now requires a Vector4 as an argument' ); + + target = new Vector4(); + + } + + return target.copy( _currentViewport ); + + }; + + this.getViewport = function ( target ) { + + return target.copy( _viewport ); + + }; + + this.setViewport = function ( x, y, width, height ) { + + if ( x.isVector4 ) { + + _viewport.set( x.x, x.y, x.z, x.w ); + + } else { + + _viewport.set( x, y, width, height ); + + } + + state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor() ); + + }; + + this.getScissor = function ( target ) { + + return target.copy( _scissor ); + + }; + + this.setScissor = function ( x, y, width, height ) { + + if ( x.isVector4 ) { + + _scissor.set( x.x, x.y, x.z, x.w ); + + } else { + + _scissor.set( x, y, width, height ); + + } + + state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor() ); + + }; + + this.getScissorTest = function () { + + return _scissorTest; + + }; + + this.setScissorTest = function ( boolean ) { + + state.setScissorTest( _scissorTest = boolean ); + + }; + + this.setOpaqueSort = function ( method ) { + + _opaqueSort = method; + + }; + + this.setTransparentSort = function ( method ) { + + _transparentSort = method; + + }; + + // Clearing + + this.getClearColor = function () { + + return background.getClearColor(); + + }; + + this.setClearColor = function () { + + background.setClearColor.apply( background, arguments ); + + }; + + this.getClearAlpha = function () { + + return background.getClearAlpha(); + + }; + + this.setClearAlpha = function () { + + background.setClearAlpha.apply( background, arguments ); + + }; + + this.clear = function ( color, depth, stencil ) { + + var bits = 0; + + if ( color === undefined || color ) bits |= 16384; + if ( depth === undefined || depth ) bits |= 256; + if ( stencil === undefined || stencil ) bits |= 1024; + + _gl.clear( bits ); + + }; + + this.clearColor = function () { + + this.clear( true, false, false ); + + }; + + this.clearDepth = function () { + + this.clear( false, true, false ); + + }; + + this.clearStencil = function () { + + this.clear( false, false, true ); + + }; + + // + + this.dispose = function () { + + _canvas.removeEventListener( 'webglcontextlost', onContextLost, false ); + _canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false ); + + renderLists.dispose(); + renderStates.dispose(); + properties.dispose(); + objects.dispose(); + + xr.dispose(); + + animation.stop(); + + }; + + // Events + + function onContextLost( event ) { + + event.preventDefault(); + + console.log( 'THREE.WebGLRenderer: Context Lost.' ); + + _isContextLost = true; + + } + + function onContextRestore( /* event */ ) { + + console.log( 'THREE.WebGLRenderer: Context Restored.' ); + + _isContextLost = false; + + initGLContext(); + + } + + function onMaterialDispose( event ) { + + var material = event.target; + + material.removeEventListener( 'dispose', onMaterialDispose ); + + deallocateMaterial( material ); + + } + + // Buffer deallocation + + function deallocateMaterial( material ) { + + releaseMaterialProgramReference( material ); + + properties.remove( material ); + + } + + + function releaseMaterialProgramReference( material ) { + + var programInfo = properties.get( material ).program; + + material.program = undefined; + + if ( programInfo !== undefined ) { + + programCache.releaseProgram( programInfo ); + + } + + } + + // Buffer rendering + + function renderObjectImmediate( object, program ) { + + object.render( function ( object ) { + + _this.renderBufferImmediate( object, program ); + + } ); + + } + + this.renderBufferImmediate = function ( object, program ) { + + state.initAttributes(); + + var buffers = properties.get( object ); + + if ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer(); + if ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer(); + if ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer(); + if ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer(); + + var programAttributes = program.getAttributes(); + + if ( object.hasPositions ) { + + _gl.bindBuffer( 34962, buffers.position ); + _gl.bufferData( 34962, object.positionArray, 35048 ); + + state.enableAttribute( programAttributes.position ); + _gl.vertexAttribPointer( programAttributes.position, 3, 5126, false, 0, 0 ); + + } + + if ( object.hasNormals ) { + + _gl.bindBuffer( 34962, buffers.normal ); + _gl.bufferData( 34962, object.normalArray, 35048 ); + + state.enableAttribute( programAttributes.normal ); + _gl.vertexAttribPointer( programAttributes.normal, 3, 5126, false, 0, 0 ); + + } + + if ( object.hasUvs ) { + + _gl.bindBuffer( 34962, buffers.uv ); + _gl.bufferData( 34962, object.uvArray, 35048 ); + + state.enableAttribute( programAttributes.uv ); + _gl.vertexAttribPointer( programAttributes.uv, 2, 5126, false, 0, 0 ); + + } + + if ( object.hasColors ) { + + _gl.bindBuffer( 34962, buffers.color ); + _gl.bufferData( 34962, object.colorArray, 35048 ); + + state.enableAttribute( programAttributes.color ); + _gl.vertexAttribPointer( programAttributes.color, 3, 5126, false, 0, 0 ); + + } + + state.disableUnusedAttributes(); + + _gl.drawArrays( 4, 0, object.count ); + + object.count = 0; + + }; + + var tempScene = new three_module_Scene(); + + this.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) { + + if ( scene === null ) scene = tempScene; // renderBufferDirect second parameter used to be fog (could be null) + + var frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 ); + + var program = setProgram( camera, scene, material, object ); + + state.setMaterial( material, frontFaceCW ); + + var updateBuffers = false; + + if ( _currentGeometryProgram.geometry !== geometry.id || + _currentGeometryProgram.program !== program.id || + _currentGeometryProgram.wireframe !== ( material.wireframe === true ) ) { + + _currentGeometryProgram.geometry = geometry.id; + _currentGeometryProgram.program = program.id; + _currentGeometryProgram.wireframe = material.wireframe === true; + updateBuffers = true; + + } + + if ( material.morphTargets || material.morphNormals ) { + + morphtargets.update( object, geometry, material, program ); + + updateBuffers = true; + + } + + // + + var index = geometry.index; + var position = geometry.attributes.position; + + // + + if ( index === null ) { + + if ( position === undefined || position.count === 0 ) return; + + } else if ( index.count === 0 ) { + + return; + + } + + // + + var rangeFactor = 1; + + if ( material.wireframe === true ) { + + index = geometries.getWireframeAttribute( geometry ); + rangeFactor = 2; + + } + + var attribute; + var renderer = bufferRenderer; + + if ( index !== null ) { + + attribute = attributes.get( index ); + + renderer = indexedBufferRenderer; + renderer.setIndex( attribute ); + + } + + if ( updateBuffers ) { + + setupVertexAttributes( object, geometry, material, program ); + + if ( index !== null ) { + + _gl.bindBuffer( 34963, attribute.buffer ); + + } + + } + + // + + var dataCount = ( index !== null ) ? index.count : position.count; + + var rangeStart = geometry.drawRange.start * rangeFactor; + var rangeCount = geometry.drawRange.count * rangeFactor; + + var groupStart = group !== null ? group.start * rangeFactor : 0; + var groupCount = group !== null ? group.count * rangeFactor : Infinity; + + var drawStart = Math.max( rangeStart, groupStart ); + var drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1; + + var drawCount = Math.max( 0, drawEnd - drawStart + 1 ); + + if ( drawCount === 0 ) return; + + // + + if ( object.isMesh ) { + + if ( material.wireframe === true ) { + + state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() ); + renderer.setMode( 1 ); + + } else { + + renderer.setMode( 4 ); + + } + + } else if ( object.isLine ) { + + var lineWidth = material.linewidth; + + if ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material + + state.setLineWidth( lineWidth * getTargetPixelRatio() ); + + if ( object.isLineSegments ) { + + renderer.setMode( 1 ); + + } else if ( object.isLineLoop ) { + + renderer.setMode( 2 ); + + } else { + + renderer.setMode( 3 ); + + } + + } else if ( object.isPoints ) { + + renderer.setMode( 0 ); + + } else if ( object.isSprite ) { + + renderer.setMode( 4 ); + + } + + if ( object.isInstancedMesh ) { + + renderer.renderInstances( geometry, drawStart, drawCount, object.count ); + + } else if ( geometry.isInstancedBufferGeometry ) { + + renderer.renderInstances( geometry, drawStart, drawCount, geometry.maxInstancedCount ); + + } else { + + renderer.render( drawStart, drawCount ); + + } + + }; + + function setupVertexAttributes( object, geometry, material, program ) { + + if ( capabilities.isWebGL2 === false && ( object.isInstancedMesh || geometry.isInstancedBufferGeometry ) ) { + + if ( extensions.get( 'ANGLE_instanced_arrays' ) === null ) return; + + } + + state.initAttributes(); + + var geometryAttributes = geometry.attributes; + + var programAttributes = program.getAttributes(); + + var materialDefaultAttributeValues = material.defaultAttributeValues; + + for ( var name in programAttributes ) { + + var programAttribute = programAttributes[ name ]; + + if ( programAttribute >= 0 ) { + + var geometryAttribute = geometryAttributes[ name ]; + + if ( geometryAttribute !== undefined ) { + + var normalized = geometryAttribute.normalized; + var size = geometryAttribute.itemSize; + + var attribute = attributes.get( geometryAttribute ); + + // TODO Attribute may not be available on context restore + + if ( attribute === undefined ) continue; + + var buffer = attribute.buffer; + var type = attribute.type; + var bytesPerElement = attribute.bytesPerElement; + + if ( geometryAttribute.isInterleavedBufferAttribute ) { + + var data = geometryAttribute.data; + var stride = data.stride; + var offset = geometryAttribute.offset; + + if ( data && data.isInstancedInterleavedBuffer ) { + + state.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute ); + + if ( geometry.maxInstancedCount === undefined ) { + + geometry.maxInstancedCount = data.meshPerAttribute * data.count; + + } + + } else { + + state.enableAttribute( programAttribute ); + + } + + _gl.bindBuffer( 34962, buffer ); + _gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * bytesPerElement, offset * bytesPerElement ); + + } else { + + if ( geometryAttribute.isInstancedBufferAttribute ) { + + state.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute ); + + if ( geometry.maxInstancedCount === undefined ) { + + geometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; + + } + + } else { + + state.enableAttribute( programAttribute ); + + } + + _gl.bindBuffer( 34962, buffer ); + _gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, 0 ); + + } + + } else if ( name === 'instanceMatrix' ) { + + var attribute = attributes.get( object.instanceMatrix ); + + // TODO Attribute may not be available on context restore + + if ( attribute === undefined ) continue; + + var buffer = attribute.buffer; + var type = attribute.type; + + state.enableAttributeAndDivisor( programAttribute + 0, 1 ); + state.enableAttributeAndDivisor( programAttribute + 1, 1 ); + state.enableAttributeAndDivisor( programAttribute + 2, 1 ); + state.enableAttributeAndDivisor( programAttribute + 3, 1 ); + + _gl.bindBuffer( 34962, buffer ); + + _gl.vertexAttribPointer( programAttribute + 0, 4, type, false, 64, 0 ); + _gl.vertexAttribPointer( programAttribute + 1, 4, type, false, 64, 16 ); + _gl.vertexAttribPointer( programAttribute + 2, 4, type, false, 64, 32 ); + _gl.vertexAttribPointer( programAttribute + 3, 4, type, false, 64, 48 ); + + } else if ( materialDefaultAttributeValues !== undefined ) { + + var value = materialDefaultAttributeValues[ name ]; + + if ( value !== undefined ) { + + switch ( value.length ) { + + case 2: + _gl.vertexAttrib2fv( programAttribute, value ); + break; + + case 3: + _gl.vertexAttrib3fv( programAttribute, value ); + break; + + case 4: + _gl.vertexAttrib4fv( programAttribute, value ); + break; + + default: + _gl.vertexAttrib1fv( programAttribute, value ); + + } + + } + + } + + } + + } + + state.disableUnusedAttributes(); + + } + + // Compile + + this.compile = function ( scene, camera ) { + + currentRenderState = renderStates.get( scene, camera ); + currentRenderState.init(); + + scene.traverse( function ( object ) { + + if ( object.isLight ) { + + currentRenderState.pushLight( object ); + + if ( object.castShadow ) { + + currentRenderState.pushShadow( object ); + + } + + } + + } ); + + currentRenderState.setupLights( camera ); + + var compiled = {}; + + scene.traverse( function ( object ) { + + if ( object.material ) { + + if ( Array.isArray( object.material ) ) { + + for ( var i = 0; i < object.material.length; i ++ ) { + + if ( object.material[ i ].uuid in compiled === false ) { + + initMaterial( object.material[ i ], scene, object ); + compiled[ object.material[ i ].uuid ] = true; + + } + + } + + } else if ( object.material.uuid in compiled === false ) { + + initMaterial( object.material, scene, object ); + compiled[ object.material.uuid ] = true; + + } + + } + + } ); + + }; + + // Animation Loop + + var onAnimationFrameCallback = null; + + function onAnimationFrame( time ) { + + if ( xr.isPresenting ) return; + if ( onAnimationFrameCallback ) onAnimationFrameCallback( time ); + + } + + var animation = new WebGLAnimation(); + animation.setAnimationLoop( onAnimationFrame ); + + if ( typeof window !== 'undefined' ) animation.setContext( window ); + + this.setAnimationLoop = function ( callback ) { + + onAnimationFrameCallback = callback; + xr.setAnimationLoop( callback ); + + animation.start(); + + }; + + // Rendering + + this.render = function ( scene, camera ) { + + var renderTarget, forceClear; + + if ( arguments[ 2 ] !== undefined ) { + + console.warn( 'THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead.' ); + renderTarget = arguments[ 2 ]; + + } + + if ( arguments[ 3 ] !== undefined ) { + + console.warn( 'THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead.' ); + forceClear = arguments[ 3 ]; + + } + + if ( ! ( camera && camera.isCamera ) ) { + + console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' ); + return; + + } + + if ( _isContextLost ) return; + + // reset caching for this frame + + _currentGeometryProgram.geometry = null; + _currentGeometryProgram.program = null; + _currentGeometryProgram.wireframe = false; + _currentMaterialId = - 1; + _currentCamera = null; + + // update scene graph + + if ( scene.autoUpdate === true ) scene.updateMatrixWorld(); + + // update camera matrices and frustum + + if ( camera.parent === null ) camera.updateMatrixWorld(); + + if ( xr.enabled && xr.isPresenting ) { + + camera = xr.getCamera( camera ); + + } + + // + + currentRenderState = renderStates.get( scene, camera ); + currentRenderState.init(); + + scene.onBeforeRender( _this, scene, camera, renderTarget || _currentRenderTarget ); + + _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + _frustum.setFromProjectionMatrix( _projScreenMatrix ); + + _localClippingEnabled = this.localClippingEnabled; + _clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera ); + + currentRenderList = renderLists.get( scene, camera ); + currentRenderList.init(); + + projectObject( scene, camera, 0, _this.sortObjects ); + + currentRenderList.finish(); + + if ( _this.sortObjects === true ) { + + currentRenderList.sort( _opaqueSort, _transparentSort ); + + } + + // + + if ( _clippingEnabled ) _clipping.beginShadows(); + + var shadowsArray = currentRenderState.state.shadowsArray; + + shadowMap.render( shadowsArray, scene, camera ); + + currentRenderState.setupLights( camera ); + + if ( _clippingEnabled ) _clipping.endShadows(); + + // + + if ( this.info.autoReset ) this.info.reset(); + + if ( renderTarget !== undefined ) { + + this.setRenderTarget( renderTarget ); + + } + + // + + background.render( currentRenderList, scene, camera, forceClear ); + + // render scene + + var opaqueObjects = currentRenderList.opaque; + var transparentObjects = currentRenderList.transparent; + + if ( scene.overrideMaterial ) { + + var overrideMaterial = scene.overrideMaterial; + + if ( opaqueObjects.length ) renderObjects( opaqueObjects, scene, camera, overrideMaterial ); + if ( transparentObjects.length ) renderObjects( transparentObjects, scene, camera, overrideMaterial ); + + } else { + + // opaque pass (front-to-back order) + + if ( opaqueObjects.length ) renderObjects( opaqueObjects, scene, camera ); + + // transparent pass (back-to-front order) + + if ( transparentObjects.length ) renderObjects( transparentObjects, scene, camera ); + + } + + // + + scene.onAfterRender( _this, scene, camera ); + + // + + if ( _currentRenderTarget !== null ) { + + // Generate mipmap if we're using any kind of mipmap filtering + + textures.updateRenderTargetMipmap( _currentRenderTarget ); + + // resolve multisample renderbuffers to a single-sample texture if necessary + + textures.updateMultisampleRenderTarget( _currentRenderTarget ); + + } + + // Ensure depth buffer writing is enabled so it can be cleared on next render + + state.buffers.depth.setTest( true ); + state.buffers.depth.setMask( true ); + state.buffers.color.setMask( true ); + + state.setPolygonOffset( false ); + + // _gl.finish(); + + currentRenderList = null; + currentRenderState = null; + + }; + + function projectObject( object, camera, groupOrder, sortObjects ) { + + if ( object.visible === false ) return; + + var visible = object.layers.test( camera.layers ); + + if ( visible ) { + + if ( object.isGroup ) { + + groupOrder = object.renderOrder; + + } else if ( object.isLOD ) { + + if ( object.autoUpdate === true ) object.update( camera ); + + } else if ( object.isLight ) { + + currentRenderState.pushLight( object ); + + if ( object.castShadow ) { + + currentRenderState.pushShadow( object ); + + } + + } else if ( object.isSprite ) { + + if ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) { + + if ( sortObjects ) { + + _vector3.setFromMatrixPosition( object.matrixWorld ) + .applyMatrix4( _projScreenMatrix ); + + } + + var geometry = objects.update( object ); + var material = object.material; + + if ( material.visible ) { + + currentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null ); + + } + + } + + } else if ( object.isImmediateRenderObject ) { + + if ( sortObjects ) { + + _vector3.setFromMatrixPosition( object.matrixWorld ) + .applyMatrix4( _projScreenMatrix ); + + } + + currentRenderList.push( object, null, object.material, groupOrder, _vector3.z, null ); + + } else if ( object.isMesh || object.isLine || object.isPoints ) { + + if ( object.isSkinnedMesh ) { + + // update skeleton only once in a frame + + if ( object.skeleton.frame !== info.render.frame ) { + + object.skeleton.update(); + object.skeleton.frame = info.render.frame; + + } + + } + + if ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) { + + if ( sortObjects ) { + + _vector3.setFromMatrixPosition( object.matrixWorld ) + .applyMatrix4( _projScreenMatrix ); + + } + + var geometry = objects.update( object ); + var material = object.material; + + if ( Array.isArray( material ) ) { + + var groups = geometry.groups; + + for ( var i = 0, l = groups.length; i < l; i ++ ) { + + var group = groups[ i ]; + var groupMaterial = material[ group.materialIndex ]; + + if ( groupMaterial && groupMaterial.visible ) { + + currentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector3.z, group ); + + } + + } + + } else if ( material.visible ) { + + currentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null ); + + } + + } + + } + + } + + var children = object.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + projectObject( children[ i ], camera, groupOrder, sortObjects ); + + } + + } + + function renderObjects( renderList, scene, camera, overrideMaterial ) { + + for ( var i = 0, l = renderList.length; i < l; i ++ ) { + + var renderItem = renderList[ i ]; + + var object = renderItem.object; + var geometry = renderItem.geometry; + var material = overrideMaterial === undefined ? renderItem.material : overrideMaterial; + var group = renderItem.group; + + if ( camera.isArrayCamera ) { + + _currentArrayCamera = camera; + + var cameras = camera.cameras; + + for ( var j = 0, jl = cameras.length; j < jl; j ++ ) { + + var camera2 = cameras[ j ]; + + if ( object.layers.test( camera2.layers ) ) { + + state.viewport( _currentViewport.copy( camera2.viewport ) ); + + currentRenderState.setupLights( camera2 ); + + renderObject( object, scene, camera2, geometry, material, group ); + + } + + } + + } else { + + _currentArrayCamera = null; + + renderObject( object, scene, camera, geometry, material, group ); + + } + + } + + } + + function renderObject( object, scene, camera, geometry, material, group ) { + + object.onBeforeRender( _this, scene, camera, geometry, material, group ); + currentRenderState = renderStates.get( scene, _currentArrayCamera || camera ); + + object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld ); + object.normalMatrix.getNormalMatrix( object.modelViewMatrix ); + + if ( object.isImmediateRenderObject ) { + + var program = setProgram( camera, scene, material, object ); + + state.setMaterial( material ); + + _currentGeometryProgram.geometry = null; + _currentGeometryProgram.program = null; + _currentGeometryProgram.wireframe = false; + + renderObjectImmediate( object, program ); + + } else { + + _this.renderBufferDirect( camera, scene, geometry, material, object, group ); + + } + + object.onAfterRender( _this, scene, camera, geometry, material, group ); + currentRenderState = renderStates.get( scene, _currentArrayCamera || camera ); + + } + + function initMaterial( material, scene, object ) { + + var materialProperties = properties.get( material ); + + var lights = currentRenderState.state.lights; + var shadowsArray = currentRenderState.state.shadowsArray; + + var lightsStateVersion = lights.state.version; + + var parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, _clipping.numPlanes, _clipping.numIntersection, object ); + var programCacheKey = programCache.getProgramCacheKey( parameters ); + + var program = materialProperties.program; + var programChange = true; + + if ( program === undefined ) { + + // new material + material.addEventListener( 'dispose', onMaterialDispose ); + + } else if ( program.cacheKey !== programCacheKey ) { + + // changed glsl or parameters + releaseMaterialProgramReference( material ); + + } else if ( materialProperties.lightsStateVersion !== lightsStateVersion ) { + + materialProperties.lightsStateVersion = lightsStateVersion; + + programChange = false; + + } else if ( parameters.shaderID !== undefined ) { + + // same glsl and uniform list + return; + + } else { + + // only rebuild uniform list + programChange = false; + + } + + if ( programChange ) { + + program = programCache.acquireProgram( parameters, programCacheKey ); + + materialProperties.program = program; + materialProperties.uniforms = parameters.uniforms; + materialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null; + materialProperties.outputEncoding = _this.outputEncoding; + material.program = program; + + } + + var programAttributes = program.getAttributes(); + + if ( material.morphTargets ) { + + material.numSupportedMorphTargets = 0; + + for ( var i = 0; i < _this.maxMorphTargets; i ++ ) { + + if ( programAttributes[ 'morphTarget' + i ] >= 0 ) { + + material.numSupportedMorphTargets ++; + + } + + } + + } + + if ( material.morphNormals ) { + + material.numSupportedMorphNormals = 0; + + for ( var i = 0; i < _this.maxMorphNormals; i ++ ) { + + if ( programAttributes[ 'morphNormal' + i ] >= 0 ) { + + material.numSupportedMorphNormals ++; + + } + + } + + } + + var uniforms = materialProperties.uniforms; + + if ( ! material.isShaderMaterial && + ! material.isRawShaderMaterial || + material.clipping === true ) { + + materialProperties.numClippingPlanes = _clipping.numPlanes; + materialProperties.numIntersection = _clipping.numIntersection; + uniforms.clippingPlanes = _clipping.uniform; + + } + + materialProperties.fog = scene.fog; + + // store the light setup it was created for + + materialProperties.needsLights = materialNeedsLights( material ); + materialProperties.lightsStateVersion = lightsStateVersion; + + if ( materialProperties.needsLights ) { + + // wire up the material to this renderer's lighting state + + uniforms.ambientLightColor.value = lights.state.ambient; + uniforms.lightProbe.value = lights.state.probe; + uniforms.directionalLights.value = lights.state.directional; + uniforms.directionalLightShadows.value = lights.state.directionalShadow; + uniforms.spotLights.value = lights.state.spot; + uniforms.spotLightShadows.value = lights.state.spotShadow; + uniforms.rectAreaLights.value = lights.state.rectArea; + uniforms.pointLights.value = lights.state.point; + uniforms.pointLightShadows.value = lights.state.pointShadow; + uniforms.hemisphereLights.value = lights.state.hemi; + + uniforms.directionalShadowMap.value = lights.state.directionalShadowMap; + uniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix; + uniforms.spotShadowMap.value = lights.state.spotShadowMap; + uniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix; + uniforms.pointShadowMap.value = lights.state.pointShadowMap; + uniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix; + // TODO (abelnation): add area lights shadow info to uniforms + + } + + var progUniforms = materialProperties.program.getUniforms(), + uniformsList = + WebGLUniforms.seqWithValue( progUniforms.seq, uniforms ); + + materialProperties.uniformsList = uniformsList; + + } + + function setProgram( camera, scene, material, object ) { + + textures.resetTextureUnits(); + + var fog = scene.fog; + var environment = material.isMeshStandardMaterial ? scene.environment : null; + + var materialProperties = properties.get( material ); + var lights = currentRenderState.state.lights; + + if ( _clippingEnabled ) { + + if ( _localClippingEnabled || camera !== _currentCamera ) { + + var useCache = + camera === _currentCamera && + material.id === _currentMaterialId; + + // we might want to call this function with some ClippingGroup + // object instead of the material, once it becomes feasible + // (#8465, #8379) + _clipping.setState( + material.clippingPlanes, material.clipIntersection, material.clipShadows, + camera, materialProperties, useCache ); + + } + + } + + if ( material.version === materialProperties.__version ) { + + if ( materialProperties.program === undefined ) { + + initMaterial( material, scene, object ); + + } else if ( material.fog && materialProperties.fog !== fog ) { + + initMaterial( material, scene, object ); + + } else if ( materialProperties.environment !== environment ) { + + initMaterial( material, scene, object ); + + } else if ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) { + + initMaterial( material, scene, object ); + + } else if ( materialProperties.numClippingPlanes !== undefined && + ( materialProperties.numClippingPlanes !== _clipping.numPlanes || + materialProperties.numIntersection !== _clipping.numIntersection ) ) { + + initMaterial( material, scene, object ); + + } else if ( materialProperties.outputEncoding !== _this.outputEncoding ) { + + initMaterial( material, scene, object ); + + } + + } else { + + initMaterial( material, scene, object ); + materialProperties.__version = material.version; + + } + + var refreshProgram = false; + var refreshMaterial = false; + var refreshLights = false; + + var program = materialProperties.program, + p_uniforms = program.getUniforms(), + m_uniforms = materialProperties.uniforms; + + if ( state.useProgram( program.program ) ) { + + refreshProgram = true; + refreshMaterial = true; + refreshLights = true; + + } + + if ( material.id !== _currentMaterialId ) { + + _currentMaterialId = material.id; + + refreshMaterial = true; + + } + + if ( refreshProgram || _currentCamera !== camera ) { + + p_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix ); + + if ( capabilities.logarithmicDepthBuffer ) { + + p_uniforms.setValue( _gl, 'logDepthBufFC', + 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) ); + + } + + if ( _currentCamera !== camera ) { + + _currentCamera = camera; + + // lighting uniforms depend on the camera so enforce an update + // now, in case this material supports lights - or later, when + // the next material that does gets activated: + + refreshMaterial = true; // set to true on material change + refreshLights = true; // remains set until update done + + } + + // load material specific uniforms + // (shader material also gets them for the sake of genericity) + + if ( material.isShaderMaterial || + material.isMeshPhongMaterial || + material.isMeshToonMaterial || + material.isMeshStandardMaterial || + material.envMap ) { + + var uCamPos = p_uniforms.map.cameraPosition; + + if ( uCamPos !== undefined ) { + + uCamPos.setValue( _gl, + _vector3.setFromMatrixPosition( camera.matrixWorld ) ); + + } + + } + + if ( material.isMeshPhongMaterial || + material.isMeshToonMaterial || + material.isMeshLambertMaterial || + material.isMeshBasicMaterial || + material.isMeshStandardMaterial || + material.isShaderMaterial ) { + + p_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true ); + + } + + if ( material.isMeshPhongMaterial || + material.isMeshToonMaterial || + material.isMeshLambertMaterial || + material.isMeshBasicMaterial || + material.isMeshStandardMaterial || + material.isShaderMaterial || + material.skinning ) { + + p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse ); + + } + + } + + // skinning uniforms must be set even if material didn't change + // auto-setting of texture unit for bone texture must go before other textures + // otherwise textures used for skinning can take over texture units reserved for other material textures + + if ( material.skinning ) { + + p_uniforms.setOptional( _gl, object, 'bindMatrix' ); + p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' ); + + var skeleton = object.skeleton; + + if ( skeleton ) { + + var bones = skeleton.bones; + + if ( capabilities.floatVertexTextures ) { + + if ( skeleton.boneTexture === undefined ) { + + // layout (1 matrix = 4 pixels) + // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4) + // with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8) + // 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16) + // 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32) + // 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64) + + + var size = Math.sqrt( bones.length * 4 ); // 4 pixels needed for 1 matrix + size = MathUtils.ceilPowerOfTwo( size ); + size = Math.max( size, 4 ); + + var boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel + boneMatrices.set( skeleton.boneMatrices ); // copy current values + + var boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType ); + + skeleton.boneMatrices = boneMatrices; + skeleton.boneTexture = boneTexture; + skeleton.boneTextureSize = size; + + } + + p_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures ); + p_uniforms.setValue( _gl, 'boneTextureSize', skeleton.boneTextureSize ); + + } else { + + p_uniforms.setOptional( _gl, skeleton, 'boneMatrices' ); + + } + + } + + } + + if ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) { + + materialProperties.receiveShadow = object.receiveShadow; + p_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow ); + + } + + if ( refreshMaterial ) { + + p_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure ); + p_uniforms.setValue( _gl, 'toneMappingWhitePoint', _this.toneMappingWhitePoint ); + + if ( materialProperties.needsLights ) { + + // the current material requires lighting info + + // note: all lighting uniforms are always set correctly + // they simply reference the renderer's state for their + // values + // + // use the current material's .needsUpdate flags to set + // the GL state when required + + markUniformsLightsNeedsUpdate( m_uniforms, refreshLights ); + + } + + // refresh uniforms common to several materials + + if ( fog && material.fog ) { + + refreshUniformsFog( m_uniforms, fog ); + + } + + if ( material.isMeshBasicMaterial ) { + + refreshUniformsCommon( m_uniforms, material ); + + } else if ( material.isMeshLambertMaterial ) { + + refreshUniformsCommon( m_uniforms, material ); + refreshUniformsLambert( m_uniforms, material ); + + } else if ( material.isMeshToonMaterial ) { + + refreshUniformsCommon( m_uniforms, material ); + refreshUniformsToon( m_uniforms, material ); + + } else if ( material.isMeshPhongMaterial ) { + + refreshUniformsCommon( m_uniforms, material ); + refreshUniformsPhong( m_uniforms, material ); + + } else if ( material.isMeshStandardMaterial ) { + + refreshUniformsCommon( m_uniforms, material, environment ); + + if ( material.isMeshPhysicalMaterial ) { + + refreshUniformsPhysical( m_uniforms, material, environment ); + + } else { + + refreshUniformsStandard( m_uniforms, material, environment ); + + } + + } else if ( material.isMeshMatcapMaterial ) { + + refreshUniformsCommon( m_uniforms, material ); + refreshUniformsMatcap( m_uniforms, material ); + + } else if ( material.isMeshDepthMaterial ) { + + refreshUniformsCommon( m_uniforms, material ); + refreshUniformsDepth( m_uniforms, material ); + + } else if ( material.isMeshDistanceMaterial ) { + + refreshUniformsCommon( m_uniforms, material ); + refreshUniformsDistance( m_uniforms, material ); + + } else if ( material.isMeshNormalMaterial ) { + + refreshUniformsCommon( m_uniforms, material ); + refreshUniformsNormal( m_uniforms, material ); + + } else if ( material.isLineBasicMaterial ) { + + refreshUniformsLine( m_uniforms, material ); + + if ( material.isLineDashedMaterial ) { + + refreshUniformsDash( m_uniforms, material ); + + } + + } else if ( material.isPointsMaterial ) { + + refreshUniformsPoints( m_uniforms, material ); + + } else if ( material.isSpriteMaterial ) { + + refreshUniformsSprites( m_uniforms, material ); + + } else if ( material.isShadowMaterial ) { + + m_uniforms.color.value.copy( material.color ); + m_uniforms.opacity.value = material.opacity; + + } + + // RectAreaLight Texture + // TODO (mrdoob): Find a nicer implementation + + if ( m_uniforms.ltc_1 !== undefined ) m_uniforms.ltc_1.value = UniformsLib.LTC_1; + if ( m_uniforms.ltc_2 !== undefined ) m_uniforms.ltc_2.value = UniformsLib.LTC_2; + + WebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures ); + + if ( material.isShaderMaterial ) { + + material.uniformsNeedUpdate = false; // #15581 + + } + + } + + if ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) { + + WebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures ); + material.uniformsNeedUpdate = false; + + } + + if ( material.isSpriteMaterial ) { + + p_uniforms.setValue( _gl, 'center', object.center ); + + } + + // common matrices + + p_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix ); + p_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix ); + p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld ); + + return program; + + } + + // Uniforms (refresh uniforms objects) + + function refreshUniformsCommon( uniforms, material, environment ) { + + uniforms.opacity.value = material.opacity; + + if ( material.color ) { + + uniforms.diffuse.value.copy( material.color ); + + } + + if ( material.emissive ) { + + uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity ); + + } + + if ( material.map ) { + + uniforms.map.value = material.map; + + } + + if ( material.alphaMap ) { + + uniforms.alphaMap.value = material.alphaMap; + + } + + if ( material.specularMap ) { + + uniforms.specularMap.value = material.specularMap; + + } + + var envMap = material.envMap || environment; + + if ( envMap ) { + + uniforms.envMap.value = envMap; + + uniforms.flipEnvMap.value = envMap.isCubeTexture ? - 1 : 1; + + uniforms.reflectivity.value = material.reflectivity; + uniforms.refractionRatio.value = material.refractionRatio; + + uniforms.maxMipLevel.value = properties.get( envMap ).__maxMipLevel; + + } + + if ( material.lightMap ) { + + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; + + } + + if ( material.aoMap ) { + + uniforms.aoMap.value = material.aoMap; + uniforms.aoMapIntensity.value = material.aoMapIntensity; + + } + + // uv repeat and offset setting priorities + // 1. color map + // 2. specular map + // 3. normal map + // 4. bump map + // 5. alpha map + // 6. emissive map + + var uvScaleMap; + + if ( material.map ) { + + uvScaleMap = material.map; + + } else if ( material.specularMap ) { + + uvScaleMap = material.specularMap; + + } else if ( material.displacementMap ) { + + uvScaleMap = material.displacementMap; + + } else if ( material.normalMap ) { + + uvScaleMap = material.normalMap; + + } else if ( material.bumpMap ) { + + uvScaleMap = material.bumpMap; + + } else if ( material.roughnessMap ) { + + uvScaleMap = material.roughnessMap; + + } else if ( material.metalnessMap ) { + + uvScaleMap = material.metalnessMap; + + } else if ( material.alphaMap ) { + + uvScaleMap = material.alphaMap; + + } else if ( material.emissiveMap ) { + + uvScaleMap = material.emissiveMap; + + } + + if ( uvScaleMap !== undefined ) { + + // backwards compatibility + if ( uvScaleMap.isWebGLRenderTarget ) { + + uvScaleMap = uvScaleMap.texture; + + } + + if ( uvScaleMap.matrixAutoUpdate === true ) { + + uvScaleMap.updateMatrix(); + + } + + uniforms.uvTransform.value.copy( uvScaleMap.matrix ); + + } + + // uv repeat and offset setting priorities for uv2 + // 1. ao map + // 2. light map + + var uv2ScaleMap; + + if ( material.aoMap ) { + + uv2ScaleMap = material.aoMap; + + } else if ( material.lightMap ) { + + uv2ScaleMap = material.lightMap; + + } + + if ( uv2ScaleMap !== undefined ) { + + // backwards compatibility + if ( uv2ScaleMap.isWebGLRenderTarget ) { + + uv2ScaleMap = uv2ScaleMap.texture; + + } + + if ( uv2ScaleMap.matrixAutoUpdate === true ) { + + uv2ScaleMap.updateMatrix(); + + } + + uniforms.uv2Transform.value.copy( uv2ScaleMap.matrix ); + + } + + } + + function refreshUniformsLine( uniforms, material ) { + + uniforms.diffuse.value.copy( material.color ); + uniforms.opacity.value = material.opacity; + + } + + function refreshUniformsDash( uniforms, material ) { + + uniforms.dashSize.value = material.dashSize; + uniforms.totalSize.value = material.dashSize + material.gapSize; + uniforms.scale.value = material.scale; + + } + + function refreshUniformsPoints( uniforms, material ) { + + uniforms.diffuse.value.copy( material.color ); + uniforms.opacity.value = material.opacity; + uniforms.size.value = material.size * _pixelRatio; + uniforms.scale.value = _height * 0.5; + + if ( material.map ) { + + uniforms.map.value = material.map; + + } + + if ( material.alphaMap ) { + + uniforms.alphaMap.value = material.alphaMap; + + } + + // uv repeat and offset setting priorities + // 1. color map + // 2. alpha map + + var uvScaleMap; + + if ( material.map ) { + + uvScaleMap = material.map; + + } else if ( material.alphaMap ) { + + uvScaleMap = material.alphaMap; + + } + + if ( uvScaleMap !== undefined ) { + + if ( uvScaleMap.matrixAutoUpdate === true ) { + + uvScaleMap.updateMatrix(); + + } + + uniforms.uvTransform.value.copy( uvScaleMap.matrix ); + + } + + } + + function refreshUniformsSprites( uniforms, material ) { + + uniforms.diffuse.value.copy( material.color ); + uniforms.opacity.value = material.opacity; + uniforms.rotation.value = material.rotation; + + if ( material.map ) { + + uniforms.map.value = material.map; + + } + + if ( material.alphaMap ) { + + uniforms.alphaMap.value = material.alphaMap; + + } + + // uv repeat and offset setting priorities + // 1. color map + // 2. alpha map + + var uvScaleMap; + + if ( material.map ) { + + uvScaleMap = material.map; + + } else if ( material.alphaMap ) { + + uvScaleMap = material.alphaMap; + + } + + if ( uvScaleMap !== undefined ) { + + if ( uvScaleMap.matrixAutoUpdate === true ) { + + uvScaleMap.updateMatrix(); + + } + + uniforms.uvTransform.value.copy( uvScaleMap.matrix ); + + } + + } + + function refreshUniformsFog( uniforms, fog ) { + + uniforms.fogColor.value.copy( fog.color ); + + if ( fog.isFog ) { + + uniforms.fogNear.value = fog.near; + uniforms.fogFar.value = fog.far; + + } else if ( fog.isFogExp2 ) { + + uniforms.fogDensity.value = fog.density; + + } + + } + + function refreshUniformsLambert( uniforms, material ) { + + if ( material.emissiveMap ) { + + uniforms.emissiveMap.value = material.emissiveMap; + + } + + } + + function refreshUniformsPhong( uniforms, material ) { + + uniforms.specular.value.copy( material.specular ); + uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 ) + + if ( material.emissiveMap ) { + + uniforms.emissiveMap.value = material.emissiveMap; + + } + + if ( material.bumpMap ) { + + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; + if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1; + + } + + if ( material.normalMap ) { + + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); + if ( material.side === BackSide ) uniforms.normalScale.value.negate(); + + } + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + } + + function refreshUniformsToon( uniforms, material ) { + + uniforms.specular.value.copy( material.specular ); + uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 ) + + if ( material.gradientMap ) { + + uniforms.gradientMap.value = material.gradientMap; + + } + + if ( material.emissiveMap ) { + + uniforms.emissiveMap.value = material.emissiveMap; + + } + + if ( material.bumpMap ) { + + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; + if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1; + + } + + if ( material.normalMap ) { + + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); + if ( material.side === BackSide ) uniforms.normalScale.value.negate(); + + } + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + } + + function refreshUniformsStandard( uniforms, material, environment ) { + + uniforms.roughness.value = material.roughness; + uniforms.metalness.value = material.metalness; + + if ( material.roughnessMap ) { + + uniforms.roughnessMap.value = material.roughnessMap; + + } + + if ( material.metalnessMap ) { + + uniforms.metalnessMap.value = material.metalnessMap; + + } + + if ( material.emissiveMap ) { + + uniforms.emissiveMap.value = material.emissiveMap; + + } + + if ( material.bumpMap ) { + + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; + if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1; + + } + + if ( material.normalMap ) { + + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); + if ( material.side === BackSide ) uniforms.normalScale.value.negate(); + + } + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + if ( material.envMap || environment ) { + + //uniforms.envMap.value = material.envMap; // part of uniforms common + uniforms.envMapIntensity.value = material.envMapIntensity; + + } + + } + + function refreshUniformsPhysical( uniforms, material, environment ) { + + refreshUniformsStandard( uniforms, material, environment ); + + uniforms.reflectivity.value = material.reflectivity; // also part of uniforms common + + uniforms.clearcoat.value = material.clearcoat; + uniforms.clearcoatRoughness.value = material.clearcoatRoughness; + if ( material.sheen ) uniforms.sheen.value.copy( material.sheen ); + + if ( material.clearcoatNormalMap ) { + + uniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale ); + uniforms.clearcoatNormalMap.value = material.clearcoatNormalMap; + + if ( material.side === BackSide ) { + + uniforms.clearcoatNormalScale.value.negate(); + + } + + } + + uniforms.transparency.value = material.transparency; + + } + + function refreshUniformsMatcap( uniforms, material ) { + + if ( material.matcap ) { + + uniforms.matcap.value = material.matcap; + + } + + if ( material.bumpMap ) { + + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; + if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1; + + } + + if ( material.normalMap ) { + + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); + if ( material.side === BackSide ) uniforms.normalScale.value.negate(); + + } + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + } + + function refreshUniformsDepth( uniforms, material ) { + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + } + + function refreshUniformsDistance( uniforms, material ) { + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + uniforms.referencePosition.value.copy( material.referencePosition ); + uniforms.nearDistance.value = material.nearDistance; + uniforms.farDistance.value = material.farDistance; + + } + + function refreshUniformsNormal( uniforms, material ) { + + if ( material.bumpMap ) { + + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; + if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1; + + } + + if ( material.normalMap ) { + + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); + if ( material.side === BackSide ) uniforms.normalScale.value.negate(); + + } + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + } + + // If uniforms are marked as clean, they don't need to be loaded to the GPU. + + function markUniformsLightsNeedsUpdate( uniforms, value ) { + + uniforms.ambientLightColor.needsUpdate = value; + uniforms.lightProbe.needsUpdate = value; + + uniforms.directionalLights.needsUpdate = value; + uniforms.directionalLightShadows.needsUpdate = value; + uniforms.pointLights.needsUpdate = value; + uniforms.pointLightShadows.needsUpdate = value; + uniforms.spotLights.needsUpdate = value; + uniforms.spotLightShadows.needsUpdate = value; + uniforms.rectAreaLights.needsUpdate = value; + uniforms.hemisphereLights.needsUpdate = value; + + } + + function materialNeedsLights( material ) { + + return material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial || + material.isMeshStandardMaterial || material.isShadowMaterial || + ( material.isShaderMaterial && material.lights === true ); + + } + + // + this.setFramebuffer = function ( value ) { + + if ( _framebuffer !== value && _currentRenderTarget === null ) _gl.bindFramebuffer( 36160, value ); + + _framebuffer = value; + + }; + + this.getActiveCubeFace = function () { + + return _currentActiveCubeFace; + + }; + + this.getActiveMipmapLevel = function () { + + return _currentActiveMipmapLevel; + + }; + + this.getRenderTarget = function () { + + return _currentRenderTarget; + + }; + + this.setRenderTarget = function ( renderTarget, activeCubeFace, activeMipmapLevel ) { + + _currentRenderTarget = renderTarget; + _currentActiveCubeFace = activeCubeFace; + _currentActiveMipmapLevel = activeMipmapLevel; + + if ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) { + + textures.setupRenderTarget( renderTarget ); + + } + + var framebuffer = _framebuffer; + var isCube = false; + + if ( renderTarget ) { + + var __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer; + + if ( renderTarget.isWebGLCubeRenderTarget ) { + + framebuffer = __webglFramebuffer[ activeCubeFace || 0 ]; + isCube = true; + + } else if ( renderTarget.isWebGLMultisampleRenderTarget ) { + + framebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer; + + } else { + + framebuffer = __webglFramebuffer; + + } + + _currentViewport.copy( renderTarget.viewport ); + _currentScissor.copy( renderTarget.scissor ); + _currentScissorTest = renderTarget.scissorTest; + + } else { + + _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor(); + _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor(); + _currentScissorTest = _scissorTest; + + } + + if ( _currentFramebuffer !== framebuffer ) { + + _gl.bindFramebuffer( 36160, framebuffer ); + _currentFramebuffer = framebuffer; + + } + + state.viewport( _currentViewport ); + state.scissor( _currentScissor ); + state.setScissorTest( _currentScissorTest ); + + if ( isCube ) { + + var textureProperties = properties.get( renderTarget.texture ); + _gl.framebufferTexture2D( 36160, 36064, 34069 + ( activeCubeFace || 0 ), textureProperties.__webglTexture, activeMipmapLevel || 0 ); + + } + + }; + + this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) { + + if ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' ); + return; + + } + + var framebuffer = properties.get( renderTarget ).__webglFramebuffer; + + if ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) { + + framebuffer = framebuffer[ activeCubeFaceIndex ]; + + } + + if ( framebuffer ) { + + var restore = false; + + if ( framebuffer !== _currentFramebuffer ) { + + _gl.bindFramebuffer( 36160, framebuffer ); + + restore = true; + + } + + try { + + var texture = renderTarget.texture; + var textureFormat = texture.format; + var textureType = texture.type; + + if ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== _gl.getParameter( 35739 ) ) { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' ); + return; + + } + + if ( textureType !== UnsignedByteType && utils.convert( textureType ) !== _gl.getParameter( 35738 ) && // IE11, Edge and Chrome Mac < 52 (#9513) + ! ( textureType === FloatType && ( capabilities.isWebGL2 || extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox + ! ( textureType === HalfFloatType && ( capabilities.isWebGL2 ? extensions.get( 'EXT_color_buffer_float' ) : extensions.get( 'EXT_color_buffer_half_float' ) ) ) ) { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' ); + return; + + } + + if ( _gl.checkFramebufferStatus( 36160 ) === 36053 ) { + + // the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604) + + if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) { + + _gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer ); + + } + + } else { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' ); + + } + + } finally { + + if ( restore ) { + + _gl.bindFramebuffer( 36160, _currentFramebuffer ); + + } + + } + + } + + }; + + this.copyFramebufferToTexture = function ( position, texture, level ) { + + if ( level === undefined ) level = 0; + + var levelScale = Math.pow( 2, - level ); + var width = Math.floor( texture.image.width * levelScale ); + var height = Math.floor( texture.image.height * levelScale ); + var glFormat = utils.convert( texture.format ); + + textures.setTexture2D( texture, 0 ); + + _gl.copyTexImage2D( 3553, level, glFormat, position.x, position.y, width, height, 0 ); + + state.unbindTexture(); + + }; + + this.copyTextureToTexture = function ( position, srcTexture, dstTexture, level ) { + + var width = srcTexture.image.width; + var height = srcTexture.image.height; + var glFormat = utils.convert( dstTexture.format ); + var glType = utils.convert( dstTexture.type ); + + textures.setTexture2D( dstTexture, 0 ); + + if ( srcTexture.isDataTexture ) { + + _gl.texSubImage2D( 3553, level || 0, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data ); + + } else { + + _gl.texSubImage2D( 3553, level || 0, position.x, position.y, glFormat, glType, srcTexture.image ); + + } + + state.unbindTexture(); + + }; + + this.initTexture = function ( texture ) { + + textures.setTexture2D( texture, 0 ); + + state.unbindTexture(); + + }; + + if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { + + __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef + + } + +} + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + +function FogExp2( color, density ) { + + this.name = ''; + + this.color = new Color( color ); + this.density = ( density !== undefined ) ? density : 0.00025; + +} + +Object.assign( FogExp2.prototype, { + + isFogExp2: true, + + clone: function () { + + return new FogExp2( this.color, this.density ); + + }, + + toJSON: function ( /* meta */ ) { + + return { + type: 'FogExp2', + color: this.color.getHex(), + density: this.density + }; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + +function Fog( color, near, far ) { + + this.name = ''; + + this.color = new Color( color ); + + this.near = ( near !== undefined ) ? near : 1; + this.far = ( far !== undefined ) ? far : 1000; + +} + +Object.assign( Fog.prototype, { + + isFog: true, + + clone: function () { + + return new Fog( this.color, this.near, this.far ); + + }, + + toJSON: function ( /* meta */ ) { + + return { + type: 'Fog', + color: this.color.getHex(), + near: this.near, + far: this.far + }; + + } + +} ); + +/** + * @author benaadams / https://twitter.com/ben_a_adams + */ + +function InterleavedBuffer( array, stride ) { + + this.array = array; + this.stride = stride; + this.count = array !== undefined ? array.length / stride : 0; + + this.usage = StaticDrawUsage; + this.updateRange = { offset: 0, count: - 1 }; + + this.version = 0; + +} + +Object.defineProperty( InterleavedBuffer.prototype, 'needsUpdate', { + + set: function ( value ) { + + if ( value === true ) this.version ++; + + } + +} ); + +Object.assign( InterleavedBuffer.prototype, { + + isInterleavedBuffer: true, + + onUploadCallback: function () {}, + + setUsage: function ( value ) { + + this.usage = value; + + return this; + + }, + + copy: function ( source ) { + + this.array = new source.array.constructor( source.array ); + this.count = source.count; + this.stride = source.stride; + this.usage = source.usage; + + return this; + + }, + + copyAt: function ( index1, attribute, index2 ) { + + index1 *= this.stride; + index2 *= attribute.stride; + + for ( var i = 0, l = this.stride; i < l; i ++ ) { + + this.array[ index1 + i ] = attribute.array[ index2 + i ]; + + } + + return this; + + }, + + set: function ( value, offset ) { + + if ( offset === undefined ) offset = 0; + + this.array.set( value, offset ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + onUpload: function ( callback ) { + + this.onUploadCallback = callback; + + return this; + + } + +} ); + +/** + * @author benaadams / https://twitter.com/ben_a_adams + */ + +var _vector$6 = new Vector3(); + +function InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) { + + this.data = interleavedBuffer; + this.itemSize = itemSize; + this.offset = offset; + + this.normalized = normalized === true; + +} + +Object.defineProperties( InterleavedBufferAttribute.prototype, { + + count: { + + get: function () { + + return this.data.count; + + } + + }, + + array: { + + get: function () { + + return this.data.array; + + } + + } + +} ); + +Object.assign( InterleavedBufferAttribute.prototype, { + + isInterleavedBufferAttribute: true, + + applyMatrix4: function ( m ) { + + for ( var i = 0, l = this.data.count; i < l; i ++ ) { + + _vector$6.x = this.getX( i ); + _vector$6.y = this.getY( i ); + _vector$6.z = this.getZ( i ); + + _vector$6.applyMatrix4( m ); + + this.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z ); + + } + + return this; + + }, + + setX: function ( index, x ) { + + this.data.array[ index * this.data.stride + this.offset ] = x; + + return this; + + }, + + setY: function ( index, y ) { + + this.data.array[ index * this.data.stride + this.offset + 1 ] = y; + + return this; + + }, + + setZ: function ( index, z ) { + + this.data.array[ index * this.data.stride + this.offset + 2 ] = z; + + return this; + + }, + + setW: function ( index, w ) { + + this.data.array[ index * this.data.stride + this.offset + 3 ] = w; + + return this; + + }, + + getX: function ( index ) { + + return this.data.array[ index * this.data.stride + this.offset ]; + + }, + + getY: function ( index ) { + + return this.data.array[ index * this.data.stride + this.offset + 1 ]; + + }, + + getZ: function ( index ) { + + return this.data.array[ index * this.data.stride + this.offset + 2 ]; + + }, + + getW: function ( index ) { + + return this.data.array[ index * this.data.stride + this.offset + 3 ]; + + }, + + setXY: function ( index, x, y ) { + + index = index * this.data.stride + this.offset; + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + + return this; + + }, + + setXYZ: function ( index, x, y, z ) { + + index = index * this.data.stride + this.offset; + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + + return this; + + }, + + setXYZW: function ( index, x, y, z, w ) { + + index = index * this.data.stride + this.offset; + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + this.data.array[ index + 3 ] = w; + + return this; + + } + +} ); + +/** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * map: new THREE.Texture( ), + * alphaMap: new THREE.Texture( ), + * rotation: , + * sizeAttenuation: + * } + */ + +function SpriteMaterial( parameters ) { + + Material.call( this ); + + this.type = 'SpriteMaterial'; + + this.color = new Color( 0xffffff ); + + this.map = null; + + this.alphaMap = null; + + this.rotation = 0; + + this.sizeAttenuation = true; + + this.transparent = true; + + this.setValues( parameters ); + +} + +SpriteMaterial.prototype = Object.create( Material.prototype ); +SpriteMaterial.prototype.constructor = SpriteMaterial; +SpriteMaterial.prototype.isSpriteMaterial = true; + +SpriteMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.rotation = source.rotation; + + this.sizeAttenuation = source.sizeAttenuation; + + return this; + +}; + +/** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ + +var _geometry; + +var _intersectPoint = new Vector3(); +var _worldScale = new Vector3(); +var _mvPosition = new Vector3(); + +var _alignedPosition = new Vector2(); +var _rotatedPosition = new Vector2(); +var _viewWorldMatrix = new Matrix4(); + +var _vA$1 = new Vector3(); +var _vB$1 = new Vector3(); +var _vC$1 = new Vector3(); + +var _uvA$1 = new Vector2(); +var _uvB$1 = new Vector2(); +var _uvC$1 = new Vector2(); + +function Sprite( material ) { + + Object3D.call( this ); + + this.type = 'Sprite'; + + if ( _geometry === undefined ) { + + _geometry = new BufferGeometry(); + + var float32Array = new Float32Array( [ + - 0.5, - 0.5, 0, 0, 0, + 0.5, - 0.5, 0, 1, 0, + 0.5, 0.5, 0, 1, 1, + - 0.5, 0.5, 0, 0, 1 + ] ); + + var interleavedBuffer = new InterleavedBuffer( float32Array, 5 ); + + _geometry.setIndex( [ 0, 1, 2, 0, 2, 3 ] ); + _geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) ); + _geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) ); + + } + + this.geometry = _geometry; + this.material = ( material !== undefined ) ? material : new SpriteMaterial(); + + this.center = new Vector2( 0.5, 0.5 ); + +} + +Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Sprite, + + isSprite: true, + + raycast: function ( raycaster, intersects ) { + + if ( raycaster.camera === null ) { + + console.error( 'THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.' ); + + } + + _worldScale.setFromMatrixScale( this.matrixWorld ); + + _viewWorldMatrix.copy( raycaster.camera.matrixWorld ); + this.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld ); + + _mvPosition.setFromMatrixPosition( this.modelViewMatrix ); + + if ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) { + + _worldScale.multiplyScalar( - _mvPosition.z ); + + } + + var rotation = this.material.rotation; + var sin, cos; + if ( rotation !== 0 ) { + + cos = Math.cos( rotation ); + sin = Math.sin( rotation ); + + } + + var center = this.center; + + transformVertex( _vA$1.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + transformVertex( _vB$1.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + transformVertex( _vC$1.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + + _uvA$1.set( 0, 0 ); + _uvB$1.set( 1, 0 ); + _uvC$1.set( 1, 1 ); + + // check first triangle + var intersect = raycaster.ray.intersectTriangle( _vA$1, _vB$1, _vC$1, false, _intersectPoint ); + + if ( intersect === null ) { + + // check second triangle + transformVertex( _vB$1.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + _uvB$1.set( 0, 1 ); + + intersect = raycaster.ray.intersectTriangle( _vA$1, _vC$1, _vB$1, false, _intersectPoint ); + if ( intersect === null ) { + + return; + + } + + } + + var distance = raycaster.ray.origin.distanceTo( _intersectPoint ); + + if ( distance < raycaster.near || distance > raycaster.far ) return; + + intersects.push( { + + distance: distance, + point: _intersectPoint.clone(), + uv: Triangle.getUV( _intersectPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() ), + face: null, + object: this + + } ); + + }, + + clone: function () { + + return new this.constructor( this.material ).copy( this ); + + }, + + copy: function ( source ) { + + Object3D.prototype.copy.call( this, source ); + + if ( source.center !== undefined ) this.center.copy( source.center ); + + return this; + + } + + +} ); + +function transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) { + + // compute position in camera space + _alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale ); + + // to check if rotation is not zero + if ( sin !== undefined ) { + + _rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y ); + _rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y ); + + } else { + + _rotatedPosition.copy( _alignedPosition ); + + } + + + vertexPosition.copy( mvPosition ); + vertexPosition.x += _rotatedPosition.x; + vertexPosition.y += _rotatedPosition.y; + + // transform to world space + vertexPosition.applyMatrix4( _viewWorldMatrix ); + +} + +/** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + +var _v1$4 = new Vector3(); +var _v2$2 = new Vector3(); + +function LOD() { + + Object3D.call( this ); + + this._currentLevel = 0; + + this.type = 'LOD'; + + Object.defineProperties( this, { + levels: { + enumerable: true, + value: [] + } + } ); + + this.autoUpdate = true; + +} + +LOD.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: LOD, + + isLOD: true, + + copy: function ( source ) { + + Object3D.prototype.copy.call( this, source, false ); + + var levels = source.levels; + + for ( var i = 0, l = levels.length; i < l; i ++ ) { + + var level = levels[ i ]; + + this.addLevel( level.object.clone(), level.distance ); + + } + + this.autoUpdate = source.autoUpdate; + + return this; + + }, + + addLevel: function ( object, distance ) { + + if ( distance === undefined ) distance = 0; + + distance = Math.abs( distance ); + + var levels = this.levels; + + for ( var l = 0; l < levels.length; l ++ ) { + + if ( distance < levels[ l ].distance ) { + + break; + + } + + } + + levels.splice( l, 0, { distance: distance, object: object } ); + + this.add( object ); + + return this; + + }, + + getCurrentLevel: function () { + + return this._currentLevel; + + }, + + getObjectForDistance: function ( distance ) { + + var levels = this.levels; + + if ( levels.length > 0 ) { + + for ( var i = 1, l = levels.length; i < l; i ++ ) { + + if ( distance < levels[ i ].distance ) { + + break; + + } + + } + + return levels[ i - 1 ].object; + + } + + return null; + + }, + + raycast: function ( raycaster, intersects ) { + + var levels = this.levels; + + if ( levels.length > 0 ) { + + _v1$4.setFromMatrixPosition( this.matrixWorld ); + + var distance = raycaster.ray.origin.distanceTo( _v1$4 ); + + this.getObjectForDistance( distance ).raycast( raycaster, intersects ); + + } + + }, + + update: function ( camera ) { + + var levels = this.levels; + + if ( levels.length > 1 ) { + + _v1$4.setFromMatrixPosition( camera.matrixWorld ); + _v2$2.setFromMatrixPosition( this.matrixWorld ); + + var distance = _v1$4.distanceTo( _v2$2 ) / camera.zoom; + + levels[ 0 ].object.visible = true; + + for ( var i = 1, l = levels.length; i < l; i ++ ) { + + if ( distance >= levels[ i ].distance ) { + + levels[ i - 1 ].object.visible = false; + levels[ i ].object.visible = true; + + } else { + + break; + + } + + } + + this._currentLevel = i - 1; + + for ( ; i < l; i ++ ) { + + levels[ i ].object.visible = false; + + } + + } + + }, + + toJSON: function ( meta ) { + + var data = Object3D.prototype.toJSON.call( this, meta ); + + if ( this.autoUpdate === false ) data.object.autoUpdate = false; + + data.object.levels = []; + + var levels = this.levels; + + for ( var i = 0, l = levels.length; i < l; i ++ ) { + + var level = levels[ i ]; + + data.object.levels.push( { + object: level.object.uuid, + distance: level.distance + } ); + + } + + return data; + + } + +} ); + +/** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author ikerr / http://verold.com + */ + +function SkinnedMesh( geometry, material ) { + + if ( geometry && geometry.isGeometry ) { + + console.error( 'THREE.SkinnedMesh no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' ); + + } + + Mesh.call( this, geometry, material ); + + this.type = 'SkinnedMesh'; + + this.bindMode = 'attached'; + this.bindMatrix = new Matrix4(); + this.bindMatrixInverse = new Matrix4(); + +} + +SkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), { + + constructor: SkinnedMesh, + + isSkinnedMesh: true, + + bind: function ( skeleton, bindMatrix ) { + + this.skeleton = skeleton; + + if ( bindMatrix === undefined ) { + + this.updateMatrixWorld( true ); + + this.skeleton.calculateInverses(); + + bindMatrix = this.matrixWorld; + + } + + this.bindMatrix.copy( bindMatrix ); + this.bindMatrixInverse.getInverse( bindMatrix ); + + }, + + pose: function () { + + this.skeleton.pose(); + + }, + + normalizeSkinWeights: function () { + + var vector = new Vector4(); + + var skinWeight = this.geometry.attributes.skinWeight; + + for ( var i = 0, l = skinWeight.count; i < l; i ++ ) { + + vector.x = skinWeight.getX( i ); + vector.y = skinWeight.getY( i ); + vector.z = skinWeight.getZ( i ); + vector.w = skinWeight.getW( i ); + + var scale = 1.0 / vector.manhattanLength(); + + if ( scale !== Infinity ) { + + vector.multiplyScalar( scale ); + + } else { + + vector.set( 1, 0, 0, 0 ); // do something reasonable + + } + + skinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w ); + + } + + }, + + updateMatrixWorld: function ( force ) { + + Mesh.prototype.updateMatrixWorld.call( this, force ); + + if ( this.bindMode === 'attached' ) { + + this.bindMatrixInverse.getInverse( this.matrixWorld ); + + } else if ( this.bindMode === 'detached' ) { + + this.bindMatrixInverse.getInverse( this.bindMatrix ); + + } else { + + console.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode ); + + } + + }, + + clone: function () { + + return new this.constructor( this.geometry, this.material ).copy( this ); + + } + +} ); + +/** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author michael guerrero / http://realitymeltdown.com + * @author ikerr / http://verold.com + */ + +var _offsetMatrix = new Matrix4(); +var _identityMatrix = new Matrix4(); + +function Skeleton( bones, boneInverses ) { + + // copy the bone array + + bones = bones || []; + + this.bones = bones.slice( 0 ); + this.boneMatrices = new Float32Array( this.bones.length * 16 ); + + this.frame = - 1; + + // use the supplied bone inverses or calculate the inverses + + if ( boneInverses === undefined ) { + + this.calculateInverses(); + + } else { + + if ( this.bones.length === boneInverses.length ) { + + this.boneInverses = boneInverses.slice( 0 ); + + } else { + + console.warn( 'THREE.Skeleton boneInverses is the wrong length.' ); + + this.boneInverses = []; + + for ( var i = 0, il = this.bones.length; i < il; i ++ ) { + + this.boneInverses.push( new Matrix4() ); + + } + + } + + } + +} + +Object.assign( Skeleton.prototype, { + + calculateInverses: function () { + + this.boneInverses = []; + + for ( var i = 0, il = this.bones.length; i < il; i ++ ) { + + var inverse = new Matrix4(); + + if ( this.bones[ i ] ) { + + inverse.getInverse( this.bones[ i ].matrixWorld ); + + } + + this.boneInverses.push( inverse ); + + } + + }, + + pose: function () { + + var bone, i, il; + + // recover the bind-time world matrices + + for ( i = 0, il = this.bones.length; i < il; i ++ ) { + + bone = this.bones[ i ]; + + if ( bone ) { + + bone.matrixWorld.getInverse( this.boneInverses[ i ] ); + + } + + } + + // compute the local matrices, positions, rotations and scales + + for ( i = 0, il = this.bones.length; i < il; i ++ ) { + + bone = this.bones[ i ]; + + if ( bone ) { + + if ( bone.parent && bone.parent.isBone ) { + + bone.matrix.getInverse( bone.parent.matrixWorld ); + bone.matrix.multiply( bone.matrixWorld ); + + } else { + + bone.matrix.copy( bone.matrixWorld ); + + } + + bone.matrix.decompose( bone.position, bone.quaternion, bone.scale ); + + } + + } + + }, + + update: function () { + + var bones = this.bones; + var boneInverses = this.boneInverses; + var boneMatrices = this.boneMatrices; + var boneTexture = this.boneTexture; + + // flatten bone matrices to array + + for ( var i = 0, il = bones.length; i < il; i ++ ) { + + // compute the offset between the current and the original transform + + var matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix; + + _offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] ); + _offsetMatrix.toArray( boneMatrices, i * 16 ); + + } + + if ( boneTexture !== undefined ) { + + boneTexture.needsUpdate = true; + + } + + }, + + clone: function () { + + return new Skeleton( this.bones, this.boneInverses ); + + }, + + getBoneByName: function ( name ) { + + for ( var i = 0, il = this.bones.length; i < il; i ++ ) { + + var bone = this.bones[ i ]; + + if ( bone.name === name ) { + + return bone; + + } + + } + + return undefined; + + } + +} ); + +/** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author ikerr / http://verold.com + */ + +function Bone() { + + Object3D.call( this ); + + this.type = 'Bone'; + +} + +Bone.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Bone, + + isBone: true + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var _instanceLocalMatrix = new Matrix4(); +var _instanceWorldMatrix = new Matrix4(); + +var _instanceIntersects = []; + +var _mesh = new Mesh(); + +function InstancedMesh( geometry, material, count ) { + + Mesh.call( this, geometry, material ); + + this.instanceMatrix = new BufferAttribute( new Float32Array( count * 16 ), 16 ); + + this.count = count; + + this.frustumCulled = false; + +} + +InstancedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), { + + constructor: InstancedMesh, + + isInstancedMesh: true, + + getMatrixAt: function ( index, matrix ) { + + matrix.fromArray( this.instanceMatrix.array, index * 16 ); + + }, + + raycast: function ( raycaster, intersects ) { + + var matrixWorld = this.matrixWorld; + var raycastTimes = this.count; + + _mesh.geometry = this.geometry; + _mesh.material = this.material; + + if ( _mesh.material === undefined ) return; + + for ( var instanceId = 0; instanceId < raycastTimes; instanceId ++ ) { + + // calculate the world matrix for each instance + + this.getMatrixAt( instanceId, _instanceLocalMatrix ); + + _instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix ); + + // the mesh represents this single instance + + _mesh.matrixWorld = _instanceWorldMatrix; + + _mesh.raycast( raycaster, _instanceIntersects ); + + // process the result of raycast + + if ( _instanceIntersects.length > 0 ) { + + _instanceIntersects[ 0 ].instanceId = instanceId; + _instanceIntersects[ 0 ].object = this; + + intersects.push( _instanceIntersects[ 0 ] ); + + _instanceIntersects.length = 0; + + } + + } + + }, + + setMatrixAt: function ( index, matrix ) { + + matrix.toArray( this.instanceMatrix.array, index * 16 ); + + }, + + updateMorphTargets: function () { + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * linewidth: , + * linecap: "round", + * linejoin: "round" + * } + */ + +function LineBasicMaterial( parameters ) { + + Material.call( this ); + + this.type = 'LineBasicMaterial'; + + this.color = new Color( 0xffffff ); + + this.linewidth = 1; + this.linecap = 'round'; + this.linejoin = 'round'; + + this.setValues( parameters ); + +} + +LineBasicMaterial.prototype = Object.create( Material.prototype ); +LineBasicMaterial.prototype.constructor = LineBasicMaterial; + +LineBasicMaterial.prototype.isLineBasicMaterial = true; + +LineBasicMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + + this.linewidth = source.linewidth; + this.linecap = source.linecap; + this.linejoin = source.linejoin; + + return this; + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var _start = new Vector3(); +var _end = new Vector3(); +var _inverseMatrix$1 = new Matrix4(); +var _ray$1 = new Ray(); +var _sphere$2 = new Sphere(); + +function Line( geometry, material, mode ) { + + if ( mode === 1 ) { + + console.error( 'THREE.Line: parameter THREE.LinePieces no longer supported. Use THREE.LineSegments instead.' ); + + } + + Object3D.call( this ); + + this.type = 'Line'; + + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new LineBasicMaterial(); + +} + +Line.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Line, + + isLine: true, + + computeLineDistances: function () { + + var geometry = this.geometry; + + if ( geometry.isBufferGeometry ) { + + // we assume non-indexed geometry + + if ( geometry.index === null ) { + + var positionAttribute = geometry.attributes.position; + var lineDistances = [ 0 ]; + + for ( var i = 1, l = positionAttribute.count; i < l; i ++ ) { + + _start.fromBufferAttribute( positionAttribute, i - 1 ); + _end.fromBufferAttribute( positionAttribute, i ); + + lineDistances[ i ] = lineDistances[ i - 1 ]; + lineDistances[ i ] += _start.distanceTo( _end ); + + } + + geometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) ); + + } else { + + console.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' ); + + } + + } else if ( geometry.isGeometry ) { + + var vertices = geometry.vertices; + var lineDistances = geometry.lineDistances; + + lineDistances[ 0 ] = 0; + + for ( var i = 1, l = vertices.length; i < l; i ++ ) { + + lineDistances[ i ] = lineDistances[ i - 1 ]; + lineDistances[ i ] += vertices[ i - 1 ].distanceTo( vertices[ i ] ); + + } + + } + + return this; + + }, + + raycast: function ( raycaster, intersects ) { + + var geometry = this.geometry; + var matrixWorld = this.matrixWorld; + var threshold = raycaster.params.Line.threshold; + + // Checking boundingSphere distance to ray + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere$2.copy( geometry.boundingSphere ); + _sphere$2.applyMatrix4( matrixWorld ); + _sphere$2.radius += threshold; + + if ( raycaster.ray.intersectsSphere( _sphere$2 ) === false ) return; + + // + + _inverseMatrix$1.getInverse( matrixWorld ); + _ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 ); + + var localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); + var localThresholdSq = localThreshold * localThreshold; + + var vStart = new Vector3(); + var vEnd = new Vector3(); + var interSegment = new Vector3(); + var interRay = new Vector3(); + var step = ( this && this.isLineSegments ) ? 2 : 1; + + if ( geometry.isBufferGeometry ) { + + var index = geometry.index; + var attributes = geometry.attributes; + var positions = attributes.position.array; + + if ( index !== null ) { + + var indices = index.array; + + for ( var i = 0, l = indices.length - 1; i < l; i += step ) { + + var a = indices[ i ]; + var b = indices[ i + 1 ]; + + vStart.fromArray( positions, a * 3 ); + vEnd.fromArray( positions, b * 3 ); + + var distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); + + if ( distSq > localThresholdSq ) continue; + + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + + var distance = raycaster.ray.origin.distanceTo( interRay ); + + if ( distance < raycaster.near || distance > raycaster.far ) continue; + + intersects.push( { + + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this + + } ); + + } + + } else { + + for ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) { + + vStart.fromArray( positions, 3 * i ); + vEnd.fromArray( positions, 3 * i + 3 ); + + var distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); + + if ( distSq > localThresholdSq ) continue; + + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + + var distance = raycaster.ray.origin.distanceTo( interRay ); + + if ( distance < raycaster.near || distance > raycaster.far ) continue; + + intersects.push( { + + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this + + } ); + + } + + } + + } else if ( geometry.isGeometry ) { + + var vertices = geometry.vertices; + var nbVertices = vertices.length; + + for ( var i = 0; i < nbVertices - 1; i += step ) { + + var distSq = _ray$1.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment ); + + if ( distSq > localThresholdSq ) continue; + + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + + var distance = raycaster.ray.origin.distanceTo( interRay ); + + if ( distance < raycaster.near || distance > raycaster.far ) continue; + + intersects.push( { + + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this + + } ); + + } + + } + + }, + + clone: function () { + + return new this.constructor( this.geometry, this.material ).copy( this ); + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var _start$1 = new Vector3(); +var _end$1 = new Vector3(); + +function LineSegments( geometry, material ) { + + Line.call( this, geometry, material ); + + this.type = 'LineSegments'; + +} + +LineSegments.prototype = Object.assign( Object.create( Line.prototype ), { + + constructor: LineSegments, + + isLineSegments: true, + + computeLineDistances: function () { + + var geometry = this.geometry; + + if ( geometry.isBufferGeometry ) { + + // we assume non-indexed geometry + + if ( geometry.index === null ) { + + var positionAttribute = geometry.attributes.position; + var lineDistances = []; + + for ( var i = 0, l = positionAttribute.count; i < l; i += 2 ) { + + _start$1.fromBufferAttribute( positionAttribute, i ); + _end$1.fromBufferAttribute( positionAttribute, i + 1 ); + + lineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ]; + lineDistances[ i + 1 ] = lineDistances[ i ] + _start$1.distanceTo( _end$1 ); + + } + + geometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) ); + + } else { + + console.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' ); + + } + + } else if ( geometry.isGeometry ) { + + var vertices = geometry.vertices; + var lineDistances = geometry.lineDistances; + + for ( var i = 0, l = vertices.length; i < l; i += 2 ) { + + _start$1.copy( vertices[ i ] ); + _end$1.copy( vertices[ i + 1 ] ); + + lineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ]; + lineDistances[ i + 1 ] = lineDistances[ i ] + _start$1.distanceTo( _end$1 ); + + } + + } + + return this; + + } + +} ); + +/** + * @author mgreter / http://github.com/mgreter + */ + +function LineLoop( geometry, material ) { + + Line.call( this, geometry, material ); + + this.type = 'LineLoop'; + +} + +LineLoop.prototype = Object.assign( Object.create( Line.prototype ), { + + constructor: LineLoop, + + isLineLoop: true, + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * alphaMap: new THREE.Texture( ), + * + * size: , + * sizeAttenuation: + * + * morphTargets: + * } + */ + +function PointsMaterial( parameters ) { + + Material.call( this ); + + this.type = 'PointsMaterial'; + + this.color = new Color( 0xffffff ); + + this.map = null; + + this.alphaMap = null; + + this.size = 1; + this.sizeAttenuation = true; + + this.morphTargets = false; + + this.setValues( parameters ); + +} + +PointsMaterial.prototype = Object.create( Material.prototype ); +PointsMaterial.prototype.constructor = PointsMaterial; + +PointsMaterial.prototype.isPointsMaterial = true; + +PointsMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.size = source.size; + this.sizeAttenuation = source.sizeAttenuation; + + this.morphTargets = source.morphTargets; + + return this; + +}; + +/** + * @author alteredq / http://alteredqualia.com/ + */ + +var _inverseMatrix$2 = new Matrix4(); +var _ray$2 = new Ray(); +var _sphere$3 = new Sphere(); +var _position$1 = new Vector3(); + +function Points( geometry, material ) { + + Object3D.call( this ); + + this.type = 'Points'; + + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new PointsMaterial(); + + this.updateMorphTargets(); + +} + +Points.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Points, + + isPoints: true, + + raycast: function ( raycaster, intersects ) { + + var geometry = this.geometry; + var matrixWorld = this.matrixWorld; + var threshold = raycaster.params.Points.threshold; + + // Checking boundingSphere distance to ray + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere$3.copy( geometry.boundingSphere ); + _sphere$3.applyMatrix4( matrixWorld ); + _sphere$3.radius += threshold; + + if ( raycaster.ray.intersectsSphere( _sphere$3 ) === false ) return; + + // + + _inverseMatrix$2.getInverse( matrixWorld ); + _ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 ); + + var localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); + var localThresholdSq = localThreshold * localThreshold; + + if ( geometry.isBufferGeometry ) { + + var index = geometry.index; + var attributes = geometry.attributes; + var positions = attributes.position.array; + + if ( index !== null ) { + + var indices = index.array; + + for ( var i = 0, il = indices.length; i < il; i ++ ) { + + var a = indices[ i ]; + + _position$1.fromArray( positions, a * 3 ); + + testPoint( _position$1, a, localThresholdSq, matrixWorld, raycaster, intersects, this ); + + } + + } else { + + for ( var i = 0, l = positions.length / 3; i < l; i ++ ) { + + _position$1.fromArray( positions, i * 3 ); + + testPoint( _position$1, i, localThresholdSq, matrixWorld, raycaster, intersects, this ); + + } + + } + + } else { + + var vertices = geometry.vertices; + + for ( var i = 0, l = vertices.length; i < l; i ++ ) { + + testPoint( vertices[ i ], i, localThresholdSq, matrixWorld, raycaster, intersects, this ); + + } + + } + + }, + + updateMorphTargets: function () { + + var geometry = this.geometry; + var m, ml, name; + + if ( geometry.isBufferGeometry ) { + + var morphAttributes = geometry.morphAttributes; + var keys = Object.keys( morphAttributes ); + + if ( keys.length > 0 ) { + + var morphAttribute = morphAttributes[ keys[ 0 ] ]; + + if ( morphAttribute !== undefined ) { + + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + + for ( m = 0, ml = morphAttribute.length; m < ml; m ++ ) { + + name = morphAttribute[ m ].name || String( m ); + + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ name ] = m; + + } + + } + + } + + } else { + + var morphTargets = geometry.morphTargets; + + if ( morphTargets !== undefined && morphTargets.length > 0 ) { + + console.error( 'THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' ); + + } + + } + + }, + + clone: function () { + + return new this.constructor( this.geometry, this.material ).copy( this ); + + } + +} ); + +function testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) { + + var rayPointDistanceSq = _ray$2.distanceSqToPoint( point ); + + if ( rayPointDistanceSq < localThresholdSq ) { + + var intersectPoint = new Vector3(); + + _ray$2.closestPointToPoint( point, intersectPoint ); + intersectPoint.applyMatrix4( matrixWorld ); + + var distance = raycaster.ray.origin.distanceTo( intersectPoint ); + + if ( distance < raycaster.near || distance > raycaster.far ) return; + + intersects.push( { + + distance: distance, + distanceToRay: Math.sqrt( rayPointDistanceSq ), + point: intersectPoint, + index: index, + face: null, + object: object + + } ); + + } + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + + Texture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.format = format !== undefined ? format : RGBFormat; + + this.minFilter = minFilter !== undefined ? minFilter : LinearFilter; + this.magFilter = magFilter !== undefined ? magFilter : LinearFilter; + + this.generateMipmaps = false; + +} + +VideoTexture.prototype = Object.assign( Object.create( Texture.prototype ), { + + constructor: VideoTexture, + + isVideoTexture: true, + + update: function () { + + var video = this.image; + + if ( video.readyState >= video.HAVE_CURRENT_DATA ) { + + this.needsUpdate = true; + + } + + } + +} ); + +/** + * @author alteredq / http://alteredqualia.com/ + */ + +function CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { + + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + + this.image = { width: width, height: height }; + this.mipmaps = mipmaps; + + // no flipping for cube textures + // (also flipping doesn't work for compressed textures ) + + this.flipY = false; + + // can't generate mipmaps for compressed textures + // mips must be embedded in DDS files + + this.generateMipmaps = false; + +} + +CompressedTexture.prototype = Object.create( Texture.prototype ); +CompressedTexture.prototype.constructor = CompressedTexture; + +CompressedTexture.prototype.isCompressedTexture = true; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + + Texture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.needsUpdate = true; + +} + +CanvasTexture.prototype = Object.create( Texture.prototype ); +CanvasTexture.prototype.constructor = CanvasTexture; +CanvasTexture.prototype.isCanvasTexture = true; + +/** + * @author Matt DesLauriers / @mattdesl + * @author atix / arthursilber.de + */ + +function DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) { + + format = format !== undefined ? format : DepthFormat; + + if ( format !== DepthFormat && format !== DepthStencilFormat ) { + + throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' ); + + } + + if ( type === undefined && format === DepthFormat ) type = UnsignedShortType; + if ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type; + + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.image = { width: width, height: height }; + + this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; + this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; + + this.flipY = false; + this.generateMipmaps = false; + +} + +DepthTexture.prototype = Object.create( Texture.prototype ); +DepthTexture.prototype.constructor = DepthTexture; +DepthTexture.prototype.isDepthTexture = true; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author Mugen87 / https://github.com/Mugen87 + */ + +function WireframeGeometry( geometry ) { + + BufferGeometry.call( this ); + + this.type = 'WireframeGeometry'; + + // buffer + + var vertices = []; + + // helper variables + + var i, j, l, o, ol; + var edge = [ 0, 0 ], edges = {}, e, edge1, edge2; + var key, keys = [ 'a', 'b', 'c' ]; + var vertex; + + // different logic for Geometry and BufferGeometry + + if ( geometry && geometry.isGeometry ) { + + // create a data structure that contains all edges without duplicates + + var faces = geometry.faces; + + for ( i = 0, l = faces.length; i < l; i ++ ) { + + var face = faces[ i ]; + + for ( j = 0; j < 3; j ++ ) { + + edge1 = face[ keys[ j ] ]; + edge2 = face[ keys[ ( j + 1 ) % 3 ] ]; + edge[ 0 ] = Math.min( edge1, edge2 ); // sorting prevents duplicates + edge[ 1 ] = Math.max( edge1, edge2 ); + + key = edge[ 0 ] + ',' + edge[ 1 ]; + + if ( edges[ key ] === undefined ) { + + edges[ key ] = { index1: edge[ 0 ], index2: edge[ 1 ] }; + + } + + } + + } + + // generate vertices + + for ( key in edges ) { + + e = edges[ key ]; + + vertex = geometry.vertices[ e.index1 ]; + vertices.push( vertex.x, vertex.y, vertex.z ); + + vertex = geometry.vertices[ e.index2 ]; + vertices.push( vertex.x, vertex.y, vertex.z ); + + } + + } else if ( geometry && geometry.isBufferGeometry ) { + + var position, indices, groups; + var group, start, count; + var index1, index2; + + vertex = new Vector3(); + + if ( geometry.index !== null ) { + + // indexed BufferGeometry + + position = geometry.attributes.position; + indices = geometry.index; + groups = geometry.groups; + + if ( groups.length === 0 ) { + + groups = [ { start: 0, count: indices.count, materialIndex: 0 } ]; + + } + + // create a data structure that contains all eges without duplicates + + for ( o = 0, ol = groups.length; o < ol; ++ o ) { + + group = groups[ o ]; + + start = group.start; + count = group.count; + + for ( i = start, l = ( start + count ); i < l; i += 3 ) { + + for ( j = 0; j < 3; j ++ ) { + + edge1 = indices.getX( i + j ); + edge2 = indices.getX( i + ( j + 1 ) % 3 ); + edge[ 0 ] = Math.min( edge1, edge2 ); // sorting prevents duplicates + edge[ 1 ] = Math.max( edge1, edge2 ); + + key = edge[ 0 ] + ',' + edge[ 1 ]; + + if ( edges[ key ] === undefined ) { + + edges[ key ] = { index1: edge[ 0 ], index2: edge[ 1 ] }; + + } + + } + + } + + } + + // generate vertices + + for ( key in edges ) { + + e = edges[ key ]; + + vertex.fromBufferAttribute( position, e.index1 ); + vertices.push( vertex.x, vertex.y, vertex.z ); + + vertex.fromBufferAttribute( position, e.index2 ); + vertices.push( vertex.x, vertex.y, vertex.z ); + + } + + } else { + + // non-indexed BufferGeometry + + position = geometry.attributes.position; + + for ( i = 0, l = ( position.count / 3 ); i < l; i ++ ) { + + for ( j = 0; j < 3; j ++ ) { + + // three edges per triangle, an edge is represented as (index1, index2) + // e.g. the first triangle has the following edges: (0,1),(1,2),(2,0) + + index1 = 3 * i + j; + vertex.fromBufferAttribute( position, index1 ); + vertices.push( vertex.x, vertex.y, vertex.z ); + + index2 = 3 * i + ( ( j + 1 ) % 3 ); + vertex.fromBufferAttribute( position, index2 ); + vertices.push( vertex.x, vertex.y, vertex.z ); + + } + + } + + } + + } + + // build geometry + + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + +} + +WireframeGeometry.prototype = Object.create( BufferGeometry.prototype ); +WireframeGeometry.prototype.constructor = WireframeGeometry; + +/** + * @author zz85 / https://github.com/zz85 + * @author Mugen87 / https://github.com/Mugen87 + * + * Parametric Surfaces Geometry + * based on the brilliant article by @prideout https://prideout.net/blog/old/blog/index.html@p=44.html + */ + +// ParametricGeometry + +function ParametricGeometry( func, slices, stacks ) { + + Geometry.call( this ); + + this.type = 'ParametricGeometry'; + + this.parameters = { + func: func, + slices: slices, + stacks: stacks + }; + + this.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) ); + this.mergeVertices(); + +} + +ParametricGeometry.prototype = Object.create( Geometry.prototype ); +ParametricGeometry.prototype.constructor = ParametricGeometry; + +// ParametricBufferGeometry + +function ParametricBufferGeometry( func, slices, stacks ) { + + BufferGeometry.call( this ); + + this.type = 'ParametricBufferGeometry'; + + this.parameters = { + func: func, + slices: slices, + stacks: stacks + }; + + // buffers + + var indices = []; + var vertices = []; + var normals = []; + var uvs = []; + + var EPS = 0.00001; + + var normal = new Vector3(); + + var p0 = new Vector3(), p1 = new Vector3(); + var pu = new Vector3(), pv = new Vector3(); + + var i, j; + + if ( func.length < 3 ) { + + console.error( 'THREE.ParametricGeometry: Function must now modify a Vector3 as third parameter.' ); + + } + + // generate vertices, normals and uvs + + var sliceCount = slices + 1; + + for ( i = 0; i <= stacks; i ++ ) { + + var v = i / stacks; + + for ( j = 0; j <= slices; j ++ ) { + + var u = j / slices; + + // vertex + + func( u, v, p0 ); + vertices.push( p0.x, p0.y, p0.z ); + + // normal + + // approximate tangent vectors via finite differences + + if ( u - EPS >= 0 ) { + + func( u - EPS, v, p1 ); + pu.subVectors( p0, p1 ); + + } else { + + func( u + EPS, v, p1 ); + pu.subVectors( p1, p0 ); + + } + + if ( v - EPS >= 0 ) { + + func( u, v - EPS, p1 ); + pv.subVectors( p0, p1 ); + + } else { + + func( u, v + EPS, p1 ); + pv.subVectors( p1, p0 ); + + } + + // cross product of tangent vectors returns surface normal + + normal.crossVectors( pu, pv ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( u, v ); + + } + + } + + // generate indices + + for ( i = 0; i < stacks; i ++ ) { + + for ( j = 0; j < slices; j ++ ) { + + var a = i * sliceCount + j; + var b = i * sliceCount + j + 1; + var c = ( i + 1 ) * sliceCount + j + 1; + var d = ( i + 1 ) * sliceCount + j; + + // faces one and two + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + +} + +ParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +ParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry; + +/** + * @author clockworkgeek / https://github.com/clockworkgeek + * @author timothypratley / https://github.com/timothypratley + * @author WestLangley / http://github.com/WestLangley + * @author Mugen87 / https://github.com/Mugen87 + */ + +// PolyhedronGeometry + +function PolyhedronGeometry( vertices, indices, radius, detail ) { + + Geometry.call( this ); + + this.type = 'PolyhedronGeometry'; + + this.parameters = { + vertices: vertices, + indices: indices, + radius: radius, + detail: detail + }; + + this.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) ); + this.mergeVertices(); + +} + +PolyhedronGeometry.prototype = Object.create( Geometry.prototype ); +PolyhedronGeometry.prototype.constructor = PolyhedronGeometry; + +// PolyhedronBufferGeometry + +function PolyhedronBufferGeometry( vertices, indices, radius, detail ) { + + BufferGeometry.call( this ); + + this.type = 'PolyhedronBufferGeometry'; + + this.parameters = { + vertices: vertices, + indices: indices, + radius: radius, + detail: detail + }; + + radius = radius || 1; + detail = detail || 0; + + // default buffer data + + var vertexBuffer = []; + var uvBuffer = []; + + // the subdivision creates the vertex buffer data + + subdivide( detail ); + + // all vertices should lie on a conceptual sphere with a given radius + + applyRadius( radius ); + + // finally, create the uv data + + generateUVs(); + + // build non-indexed geometry + + this.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) ); + + if ( detail === 0 ) { + + this.computeVertexNormals(); // flat normals + + } else { + + this.normalizeNormals(); // smooth normals + + } + + // helper functions + + function subdivide( detail ) { + + var a = new Vector3(); + var b = new Vector3(); + var c = new Vector3(); + + // iterate over all faces and apply a subdivison with the given detail value + + for ( var i = 0; i < indices.length; i += 3 ) { + + // get the vertices of the face + + getVertexByIndex( indices[ i + 0 ], a ); + getVertexByIndex( indices[ i + 1 ], b ); + getVertexByIndex( indices[ i + 2 ], c ); + + // perform subdivision + + subdivideFace( a, b, c, detail ); + + } + + } + + function subdivideFace( a, b, c, detail ) { + + var cols = Math.pow( 2, detail ); + + // we use this multidimensional array as a data structure for creating the subdivision + + var v = []; + + var i, j; + + // construct all of the vertices for this subdivision + + for ( i = 0; i <= cols; i ++ ) { + + v[ i ] = []; + + var aj = a.clone().lerp( c, i / cols ); + var bj = b.clone().lerp( c, i / cols ); + + var rows = cols - i; + + for ( j = 0; j <= rows; j ++ ) { + + if ( j === 0 && i === cols ) { + + v[ i ][ j ] = aj; + + } else { + + v[ i ][ j ] = aj.clone().lerp( bj, j / rows ); + + } + + } + + } + + // construct all of the faces + + for ( i = 0; i < cols; i ++ ) { + + for ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) { + + var k = Math.floor( j / 2 ); + + if ( j % 2 === 0 ) { + + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + pushVertex( v[ i ][ k ] ); + + } else { + + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + + } + + } + + } + + } + + function applyRadius( radius ) { + + var vertex = new Vector3(); + + // iterate over the entire buffer and apply the radius to each vertex + + for ( var i = 0; i < vertexBuffer.length; i += 3 ) { + + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; + + vertex.normalize().multiplyScalar( radius ); + + vertexBuffer[ i + 0 ] = vertex.x; + vertexBuffer[ i + 1 ] = vertex.y; + vertexBuffer[ i + 2 ] = vertex.z; + + } + + } + + function generateUVs() { + + var vertex = new Vector3(); + + for ( var i = 0; i < vertexBuffer.length; i += 3 ) { + + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; + + var u = azimuth( vertex ) / 2 / Math.PI + 0.5; + var v = inclination( vertex ) / Math.PI + 0.5; + uvBuffer.push( u, 1 - v ); + + } + + correctUVs(); + + correctSeam(); + + } + + function correctSeam() { + + // handle case when face straddles the seam, see #3269 + + for ( var i = 0; i < uvBuffer.length; i += 6 ) { + + // uv data of a single face + + var x0 = uvBuffer[ i + 0 ]; + var x1 = uvBuffer[ i + 2 ]; + var x2 = uvBuffer[ i + 4 ]; + + var max = Math.max( x0, x1, x2 ); + var min = Math.min( x0, x1, x2 ); + + // 0.9 is somewhat arbitrary + + if ( max > 0.9 && min < 0.1 ) { + + if ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1; + if ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1; + if ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1; + + } + + } + + } + + function pushVertex( vertex ) { + + vertexBuffer.push( vertex.x, vertex.y, vertex.z ); + + } + + function getVertexByIndex( index, vertex ) { + + var stride = index * 3; + + vertex.x = vertices[ stride + 0 ]; + vertex.y = vertices[ stride + 1 ]; + vertex.z = vertices[ stride + 2 ]; + + } + + function correctUVs() { + + var a = new Vector3(); + var b = new Vector3(); + var c = new Vector3(); + + var centroid = new Vector3(); + + var uvA = new Vector2(); + var uvB = new Vector2(); + var uvC = new Vector2(); + + for ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) { + + a.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] ); + b.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] ); + c.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] ); + + uvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] ); + uvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] ); + uvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] ); + + centroid.copy( a ).add( b ).add( c ).divideScalar( 3 ); + + var azi = azimuth( centroid ); + + correctUV( uvA, j + 0, a, azi ); + correctUV( uvB, j + 2, b, azi ); + correctUV( uvC, j + 4, c, azi ); + + } + + } + + function correctUV( uv, stride, vector, azimuth ) { + + if ( ( azimuth < 0 ) && ( uv.x === 1 ) ) { + + uvBuffer[ stride ] = uv.x - 1; + + } + + if ( ( vector.x === 0 ) && ( vector.z === 0 ) ) { + + uvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5; + + } + + } + + // Angle around the Y axis, counter-clockwise when looking from above. + + function azimuth( vector ) { + + return Math.atan2( vector.z, - vector.x ); + + } + + + // Angle above the XZ plane. + + function inclination( vector ) { + + return Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) ); + + } + +} + +PolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +PolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry; + +/** + * @author timothypratley / https://github.com/timothypratley + * @author Mugen87 / https://github.com/Mugen87 + */ + +// TetrahedronGeometry + +function TetrahedronGeometry( radius, detail ) { + + Geometry.call( this ); + + this.type = 'TetrahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + this.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); + +} + +TetrahedronGeometry.prototype = Object.create( Geometry.prototype ); +TetrahedronGeometry.prototype.constructor = TetrahedronGeometry; + +// TetrahedronBufferGeometry + +function TetrahedronBufferGeometry( radius, detail ) { + + var vertices = [ + 1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1 + ]; + + var indices = [ + 2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1 + ]; + + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + + this.type = 'TetrahedronBufferGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + +} + +TetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); +TetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry; + +/** + * @author timothypratley / https://github.com/timothypratley + * @author Mugen87 / https://github.com/Mugen87 + */ + +// OctahedronGeometry + +function OctahedronGeometry( radius, detail ) { + + Geometry.call( this ); + + this.type = 'OctahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + this.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); + +} + +OctahedronGeometry.prototype = Object.create( Geometry.prototype ); +OctahedronGeometry.prototype.constructor = OctahedronGeometry; + +// OctahedronBufferGeometry + +function OctahedronBufferGeometry( radius, detail ) { + + var vertices = [ + 1, 0, 0, - 1, 0, 0, 0, 1, 0, + 0, - 1, 0, 0, 0, 1, 0, 0, - 1 + ]; + + var indices = [ + 0, 2, 4, 0, 4, 3, 0, 3, 5, + 0, 5, 2, 1, 2, 5, 1, 5, 3, + 1, 3, 4, 1, 4, 2 + ]; + + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + + this.type = 'OctahedronBufferGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + +} + +OctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); +OctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry; + +/** + * @author timothypratley / https://github.com/timothypratley + * @author Mugen87 / https://github.com/Mugen87 + */ + +// IcosahedronGeometry + +function IcosahedronGeometry( radius, detail ) { + + Geometry.call( this ); + + this.type = 'IcosahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + this.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); + +} + +IcosahedronGeometry.prototype = Object.create( Geometry.prototype ); +IcosahedronGeometry.prototype.constructor = IcosahedronGeometry; + +// IcosahedronBufferGeometry + +function IcosahedronBufferGeometry( radius, detail ) { + + var t = ( 1 + Math.sqrt( 5 ) ) / 2; + + var vertices = [ + - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0, + 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, + t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1 + ]; + + var indices = [ + 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, + 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, + 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, + 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1 + ]; + + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + + this.type = 'IcosahedronBufferGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + +} + +IcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); +IcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry; + +/** + * @author Abe Pazos / https://hamoid.com + * @author Mugen87 / https://github.com/Mugen87 + */ + +// DodecahedronGeometry + +function DodecahedronGeometry( radius, detail ) { + + Geometry.call( this ); + + this.type = 'DodecahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + this.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); + +} + +DodecahedronGeometry.prototype = Object.create( Geometry.prototype ); +DodecahedronGeometry.prototype.constructor = DodecahedronGeometry; + +// DodecahedronBufferGeometry + +function DodecahedronBufferGeometry( radius, detail ) { + + var t = ( 1 + Math.sqrt( 5 ) ) / 2; + var r = 1 / t; + + var vertices = [ + + // (±1, ±1, ±1) + - 1, - 1, - 1, - 1, - 1, 1, + - 1, 1, - 1, - 1, 1, 1, + 1, - 1, - 1, 1, - 1, 1, + 1, 1, - 1, 1, 1, 1, + + // (0, ±1/φ, ±φ) + 0, - r, - t, 0, - r, t, + 0, r, - t, 0, r, t, + + // (±1/φ, ±φ, 0) + - r, - t, 0, - r, t, 0, + r, - t, 0, r, t, 0, + + // (±φ, 0, ±1/φ) + - t, 0, - r, t, 0, - r, + - t, 0, r, t, 0, r + ]; + + var indices = [ + 3, 11, 7, 3, 7, 15, 3, 15, 13, + 7, 19, 17, 7, 17, 6, 7, 6, 15, + 17, 4, 8, 17, 8, 10, 17, 10, 6, + 8, 0, 16, 8, 16, 2, 8, 2, 10, + 0, 12, 1, 0, 1, 18, 0, 18, 16, + 6, 10, 2, 6, 2, 13, 6, 13, 15, + 2, 16, 18, 2, 18, 3, 2, 3, 13, + 18, 1, 9, 18, 9, 11, 18, 11, 3, + 4, 14, 12, 4, 12, 0, 4, 0, 8, + 11, 9, 5, 11, 5, 19, 11, 19, 7, + 19, 5, 14, 19, 14, 4, 19, 4, 17, + 1, 12, 14, 1, 14, 5, 1, 5, 9 + ]; + + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + + this.type = 'DodecahedronBufferGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + +} + +DodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); +DodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry; + +/** + * @author oosmoxiecode / https://github.com/oosmoxiecode + * @author WestLangley / https://github.com/WestLangley + * @author zz85 / https://github.com/zz85 + * @author miningold / https://github.com/miningold + * @author jonobr1 / https://github.com/jonobr1 + * @author Mugen87 / https://github.com/Mugen87 + * + */ + +// TubeGeometry + +function TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) { + + Geometry.call( this ); + + this.type = 'TubeGeometry'; + + this.parameters = { + path: path, + tubularSegments: tubularSegments, + radius: radius, + radialSegments: radialSegments, + closed: closed + }; + + if ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' ); + + var bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ); + + // expose internals + + this.tangents = bufferGeometry.tangents; + this.normals = bufferGeometry.normals; + this.binormals = bufferGeometry.binormals; + + // create geometry + + this.fromBufferGeometry( bufferGeometry ); + this.mergeVertices(); + +} + +TubeGeometry.prototype = Object.create( Geometry.prototype ); +TubeGeometry.prototype.constructor = TubeGeometry; + +// TubeBufferGeometry + +function TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) { + + BufferGeometry.call( this ); + + this.type = 'TubeBufferGeometry'; + + this.parameters = { + path: path, + tubularSegments: tubularSegments, + radius: radius, + radialSegments: radialSegments, + closed: closed + }; + + tubularSegments = tubularSegments || 64; + radius = radius || 1; + radialSegments = radialSegments || 8; + closed = closed || false; + + var frames = path.computeFrenetFrames( tubularSegments, closed ); + + // expose internals + + this.tangents = frames.tangents; + this.normals = frames.normals; + this.binormals = frames.binormals; + + // helper variables + + var vertex = new Vector3(); + var normal = new Vector3(); + var uv = new Vector2(); + var P = new Vector3(); + + var i, j; + + // buffer + + var vertices = []; + var normals = []; + var uvs = []; + var indices = []; + + // create buffer data + + generateBufferData(); + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + // functions + + function generateBufferData() { + + for ( i = 0; i < tubularSegments; i ++ ) { + + generateSegment( i ); + + } + + // if the geometry is not closed, generate the last row of vertices and normals + // at the regular position on the given path + // + // if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ) + + generateSegment( ( closed === false ) ? tubularSegments : 0 ); + + // uvs are generated in a separate function. + // this makes it easy compute correct values for closed geometries + + generateUVs(); + + // finally create faces + + generateIndices(); + + } + + function generateSegment( i ) { + + // we use getPointAt to sample evenly distributed points from the given path + + P = path.getPointAt( i / tubularSegments, P ); + + // retrieve corresponding normal and binormal + + var N = frames.normals[ i ]; + var B = frames.binormals[ i ]; + + // generate normals and vertices for the current segment + + for ( j = 0; j <= radialSegments; j ++ ) { + + var v = j / radialSegments * Math.PI * 2; + + var sin = Math.sin( v ); + var cos = - Math.cos( v ); + + // normal + + normal.x = ( cos * N.x + sin * B.x ); + normal.y = ( cos * N.y + sin * B.y ); + normal.z = ( cos * N.z + sin * B.z ); + normal.normalize(); + + normals.push( normal.x, normal.y, normal.z ); + + // vertex + + vertex.x = P.x + radius * normal.x; + vertex.y = P.y + radius * normal.y; + vertex.z = P.z + radius * normal.z; + + vertices.push( vertex.x, vertex.y, vertex.z ); + + } + + } + + function generateIndices() { + + for ( j = 1; j <= tubularSegments; j ++ ) { + + for ( i = 1; i <= radialSegments; i ++ ) { + + var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + var b = ( radialSegments + 1 ) * j + ( i - 1 ); + var c = ( radialSegments + 1 ) * j + i; + var d = ( radialSegments + 1 ) * ( j - 1 ) + i; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + } + + function generateUVs() { + + for ( i = 0; i <= tubularSegments; i ++ ) { + + for ( j = 0; j <= radialSegments; j ++ ) { + + uv.x = i / tubularSegments; + uv.y = j / radialSegments; + + uvs.push( uv.x, uv.y ); + + } + + } + + } + +} + +TubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +TubeBufferGeometry.prototype.constructor = TubeBufferGeometry; + +TubeBufferGeometry.prototype.toJSON = function () { + + var data = BufferGeometry.prototype.toJSON.call( this ); + + data.path = this.parameters.path.toJSON(); + + return data; + +}; + +/** + * @author oosmoxiecode + * @author Mugen87 / https://github.com/Mugen87 + * + * based on http://www.blackpawn.com/texts/pqtorus/ + */ + +// TorusKnotGeometry + +function TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) { + + Geometry.call( this ); + + this.type = 'TorusKnotGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + tubularSegments: tubularSegments, + radialSegments: radialSegments, + p: p, + q: q + }; + + if ( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' ); + + this.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) ); + this.mergeVertices(); + +} + +TorusKnotGeometry.prototype = Object.create( Geometry.prototype ); +TorusKnotGeometry.prototype.constructor = TorusKnotGeometry; + +// TorusKnotBufferGeometry + +function TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) { + + BufferGeometry.call( this ); + + this.type = 'TorusKnotBufferGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + tubularSegments: tubularSegments, + radialSegments: radialSegments, + p: p, + q: q + }; + + radius = radius || 1; + tube = tube || 0.4; + tubularSegments = Math.floor( tubularSegments ) || 64; + radialSegments = Math.floor( radialSegments ) || 8; + p = p || 2; + q = q || 3; + + // buffers + + var indices = []; + var vertices = []; + var normals = []; + var uvs = []; + + // helper variables + + var i, j; + + var vertex = new Vector3(); + var normal = new Vector3(); + + var P1 = new Vector3(); + var P2 = new Vector3(); + + var B = new Vector3(); + var T = new Vector3(); + var N = new Vector3(); + + // generate vertices, normals and uvs + + for ( i = 0; i <= tubularSegments; ++ i ) { + + // the radian "u" is used to calculate the position on the torus curve of the current tubular segement + + var u = i / tubularSegments * p * Math.PI * 2; + + // now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead. + // these points are used to create a special "coordinate space", which is necessary to calculate the correct vertex positions + + calculatePositionOnCurve( u, p, q, radius, P1 ); + calculatePositionOnCurve( u + 0.01, p, q, radius, P2 ); + + // calculate orthonormal basis + + T.subVectors( P2, P1 ); + N.addVectors( P2, P1 ); + B.crossVectors( T, N ); + N.crossVectors( B, T ); + + // normalize B, N. T can be ignored, we don't use it + + B.normalize(); + N.normalize(); + + for ( j = 0; j <= radialSegments; ++ j ) { + + // now calculate the vertices. they are nothing more than an extrusion of the torus curve. + // because we extrude a shape in the xy-plane, there is no need to calculate a z-value. + + var v = j / radialSegments * Math.PI * 2; + var cx = - tube * Math.cos( v ); + var cy = tube * Math.sin( v ); + + // now calculate the final vertex position. + // first we orient the extrusion with our basis vectos, then we add it to the current position on the curve + + vertex.x = P1.x + ( cx * N.x + cy * B.x ); + vertex.y = P1.y + ( cx * N.y + cy * B.y ); + vertex.z = P1.z + ( cx * N.z + cy * B.z ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal) + + normal.subVectors( vertex, P1 ).normalize(); + + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( i / tubularSegments ); + uvs.push( j / radialSegments ); + + } + + } + + // generate indices + + for ( j = 1; j <= tubularSegments; j ++ ) { + + for ( i = 1; i <= radialSegments; i ++ ) { + + // indices + + var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + var b = ( radialSegments + 1 ) * j + ( i - 1 ); + var c = ( radialSegments + 1 ) * j + i; + var d = ( radialSegments + 1 ) * ( j - 1 ) + i; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + // this function calculates the current position on the torus curve + + function calculatePositionOnCurve( u, p, q, radius, position ) { + + var cu = Math.cos( u ); + var su = Math.sin( u ); + var quOverP = q / p * u; + var cs = Math.cos( quOverP ); + + position.x = radius * ( 2 + cs ) * 0.5 * cu; + position.y = radius * ( 2 + cs ) * su * 0.5; + position.z = radius * Math.sin( quOverP ) * 0.5; + + } + +} + +TorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +TorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry; + +/** + * @author oosmoxiecode + * @author mrdoob / http://mrdoob.com/ + * @author Mugen87 / https://github.com/Mugen87 + */ + +// TorusGeometry + +function TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) { + + Geometry.call( this ); + + this.type = 'TorusGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + radialSegments: radialSegments, + tubularSegments: tubularSegments, + arc: arc + }; + + this.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) ); + this.mergeVertices(); + +} + +TorusGeometry.prototype = Object.create( Geometry.prototype ); +TorusGeometry.prototype.constructor = TorusGeometry; + +// TorusBufferGeometry + +function TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) { + + BufferGeometry.call( this ); + + this.type = 'TorusBufferGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + radialSegments: radialSegments, + tubularSegments: tubularSegments, + arc: arc + }; + + radius = radius || 1; + tube = tube || 0.4; + radialSegments = Math.floor( radialSegments ) || 8; + tubularSegments = Math.floor( tubularSegments ) || 6; + arc = arc || Math.PI * 2; + + // buffers + + var indices = []; + var vertices = []; + var normals = []; + var uvs = []; + + // helper variables + + var center = new Vector3(); + var vertex = new Vector3(); + var normal = new Vector3(); + + var j, i; + + // generate vertices, normals and uvs + + for ( j = 0; j <= radialSegments; j ++ ) { + + for ( i = 0; i <= tubularSegments; i ++ ) { + + var u = i / tubularSegments * arc; + var v = j / radialSegments * Math.PI * 2; + + // vertex + + vertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u ); + vertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u ); + vertex.z = tube * Math.sin( v ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + center.x = radius * Math.cos( u ); + center.y = radius * Math.sin( u ); + normal.subVectors( vertex, center ).normalize(); + + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( i / tubularSegments ); + uvs.push( j / radialSegments ); + + } + + } + + // generate indices + + for ( j = 1; j <= radialSegments; j ++ ) { + + for ( i = 1; i <= tubularSegments; i ++ ) { + + // indices + + var a = ( tubularSegments + 1 ) * j + i - 1; + var b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1; + var c = ( tubularSegments + 1 ) * ( j - 1 ) + i; + var d = ( tubularSegments + 1 ) * j + i; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + +} + +TorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +TorusBufferGeometry.prototype.constructor = TorusBufferGeometry; + +/** + * @author Mugen87 / https://github.com/Mugen87 + * Port from https://github.com/mapbox/earcut (v2.1.5) + */ + +var Earcut = { + + triangulate: function ( data, holeIndices, dim ) { + + dim = dim || 2; + + var hasHoles = holeIndices && holeIndices.length, + outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length, + outerNode = linkedList( data, 0, outerLen, dim, true ), + triangles = []; + + if ( ! outerNode || outerNode.next === outerNode.prev ) return triangles; + + var minX, minY, maxX, maxY, x, y, invSize; + + if ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim ); + + // if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox + if ( data.length > 80 * dim ) { + + minX = maxX = data[ 0 ]; + minY = maxY = data[ 1 ]; + + for ( var i = dim; i < outerLen; i += dim ) { + + x = data[ i ]; + y = data[ i + 1 ]; + if ( x < minX ) minX = x; + if ( y < minY ) minY = y; + if ( x > maxX ) maxX = x; + if ( y > maxY ) maxY = y; + + } + + // minX, minY and invSize are later used to transform coords into integers for z-order calculation + invSize = Math.max( maxX - minX, maxY - minY ); + invSize = invSize !== 0 ? 1 / invSize : 0; + + } + + earcutLinked( outerNode, triangles, dim, minX, minY, invSize ); + + return triangles; + + } + +}; + +// create a circular doubly linked list from polygon points in the specified winding order +function linkedList( data, start, end, dim, clockwise ) { + + var i, last; + + if ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) { + + for ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last ); + + } else { + + for ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last ); + + } + + if ( last && equals( last, last.next ) ) { + + removeNode( last ); + last = last.next; + + } + + return last; + +} + +// eliminate colinear or duplicate points +function filterPoints( start, end ) { + + if ( ! start ) return start; + if ( ! end ) end = start; + + var p = start, + again; + do { + + again = false; + + if ( ! p.steiner && ( equals( p, p.next ) || three_module_area( p.prev, p, p.next ) === 0 ) ) { + + removeNode( p ); + p = end = p.prev; + if ( p === p.next ) break; + again = true; + + } else { + + p = p.next; + + } + + } while ( again || p !== end ); + + return end; + +} + +// main ear slicing loop which triangulates a polygon (given as a linked list) +function earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) { + + if ( ! ear ) return; + + // interlink polygon nodes in z-order + if ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize ); + + var stop = ear, + prev, next; + + // iterate through ears, slicing them one by one + while ( ear.prev !== ear.next ) { + + prev = ear.prev; + next = ear.next; + + if ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) { + + // cut off the triangle + triangles.push( prev.i / dim ); + triangles.push( ear.i / dim ); + triangles.push( next.i / dim ); + + removeNode( ear ); + + // skipping the next vertex leads to less sliver triangles + ear = next.next; + stop = next.next; + + continue; + + } + + ear = next; + + // if we looped through the whole remaining polygon and can't find any more ears + if ( ear === stop ) { + + // try filtering points and slicing again + if ( ! pass ) { + + earcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 ); + + // if this didn't work, try curing all small self-intersections locally + + } else if ( pass === 1 ) { + + ear = cureLocalIntersections( ear, triangles, dim ); + earcutLinked( ear, triangles, dim, minX, minY, invSize, 2 ); + + // as a last resort, try splitting the remaining polygon into two + + } else if ( pass === 2 ) { + + splitEarcut( ear, triangles, dim, minX, minY, invSize ); + + } + + break; + + } + + } + +} + +// check whether a polygon node forms a valid ear with adjacent nodes +function isEar( ear ) { + + var a = ear.prev, + b = ear, + c = ear.next; + + if ( three_module_area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear + + // now make sure we don't have other points inside the potential ear + var p = ear.next.next; + + while ( p !== ear.prev ) { + + if ( pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) && + three_module_area( p.prev, p, p.next ) >= 0 ) return false; + p = p.next; + + } + + return true; + +} + +function isEarHashed( ear, minX, minY, invSize ) { + + var a = ear.prev, + b = ear, + c = ear.next; + + if ( three_module_area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear + + // triangle bbox; min & max are calculated like this for speed + var minTX = a.x < b.x ? ( a.x < c.x ? a.x : c.x ) : ( b.x < c.x ? b.x : c.x ), + minTY = a.y < b.y ? ( a.y < c.y ? a.y : c.y ) : ( b.y < c.y ? b.y : c.y ), + maxTX = a.x > b.x ? ( a.x > c.x ? a.x : c.x ) : ( b.x > c.x ? b.x : c.x ), + maxTY = a.y > b.y ? ( a.y > c.y ? a.y : c.y ) : ( b.y > c.y ? b.y : c.y ); + + // z-order range for the current triangle bbox; + var minZ = zOrder( minTX, minTY, minX, minY, invSize ), + maxZ = zOrder( maxTX, maxTY, minX, minY, invSize ); + + var p = ear.prevZ, + n = ear.nextZ; + + // look for points inside the triangle in both directions + while ( p && p.z >= minZ && n && n.z <= maxZ ) { + + if ( p !== ear.prev && p !== ear.next && + pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) && + three_module_area( p.prev, p, p.next ) >= 0 ) return false; + p = p.prevZ; + + if ( n !== ear.prev && n !== ear.next && + pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) && + three_module_area( n.prev, n, n.next ) >= 0 ) return false; + n = n.nextZ; + + } + + // look for remaining points in decreasing z-order + while ( p && p.z >= minZ ) { + + if ( p !== ear.prev && p !== ear.next && + pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) && + three_module_area( p.prev, p, p.next ) >= 0 ) return false; + p = p.prevZ; + + } + + // look for remaining points in increasing z-order + while ( n && n.z <= maxZ ) { + + if ( n !== ear.prev && n !== ear.next && + pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) && + three_module_area( n.prev, n, n.next ) >= 0 ) return false; + n = n.nextZ; + + } + + return true; + +} + +// go through all polygon nodes and cure small local self-intersections +function cureLocalIntersections( start, triangles, dim ) { + + var p = start; + do { + + var a = p.prev, + b = p.next.next; + + if ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) { + + triangles.push( a.i / dim ); + triangles.push( p.i / dim ); + triangles.push( b.i / dim ); + + // remove two nodes involved + removeNode( p ); + removeNode( p.next ); + + p = start = b; + + } + + p = p.next; + + } while ( p !== start ); + + return p; + +} + +// try splitting polygon into two and triangulate them independently +function splitEarcut( start, triangles, dim, minX, minY, invSize ) { + + // look for a valid diagonal that divides the polygon into two + var a = start; + do { + + var b = a.next.next; + while ( b !== a.prev ) { + + if ( a.i !== b.i && isValidDiagonal( a, b ) ) { + + // split the polygon in two by the diagonal + var c = splitPolygon( a, b ); + + // filter colinear points around the cuts + a = filterPoints( a, a.next ); + c = filterPoints( c, c.next ); + + // run earcut on each half + earcutLinked( a, triangles, dim, minX, minY, invSize ); + earcutLinked( c, triangles, dim, minX, minY, invSize ); + return; + + } + + b = b.next; + + } + + a = a.next; + + } while ( a !== start ); + +} + +// link every hole into the outer loop, producing a single-ring polygon without holes +function eliminateHoles( data, holeIndices, outerNode, dim ) { + + var queue = [], + i, len, start, end, list; + + for ( i = 0, len = holeIndices.length; i < len; i ++ ) { + + start = holeIndices[ i ] * dim; + end = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length; + list = linkedList( data, start, end, dim, false ); + if ( list === list.next ) list.steiner = true; + queue.push( getLeftmost( list ) ); + + } + + queue.sort( compareX ); + + // process holes from left to right + for ( i = 0; i < queue.length; i ++ ) { + + eliminateHole( queue[ i ], outerNode ); + outerNode = filterPoints( outerNode, outerNode.next ); + + } + + return outerNode; + +} + +function compareX( a, b ) { + + return a.x - b.x; + +} + +// find a bridge between vertices that connects hole with an outer ring and and link it +function eliminateHole( hole, outerNode ) { + + outerNode = findHoleBridge( hole, outerNode ); + if ( outerNode ) { + + var b = splitPolygon( outerNode, hole ); + filterPoints( b, b.next ); + + } + +} + +// David Eberly's algorithm for finding a bridge between hole and outer polygon +function findHoleBridge( hole, outerNode ) { + + var p = outerNode, + hx = hole.x, + hy = hole.y, + qx = - Infinity, + m; + + // find a segment intersected by a ray from the hole's leftmost point to the left; + // segment's endpoint with lesser x will be potential connection point + do { + + if ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) { + + var x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y ); + if ( x <= hx && x > qx ) { + + qx = x; + if ( x === hx ) { + + if ( hy === p.y ) return p; + if ( hy === p.next.y ) return p.next; + + } + + m = p.x < p.next.x ? p : p.next; + + } + + } + + p = p.next; + + } while ( p !== outerNode ); + + if ( ! m ) return null; + + if ( hx === qx ) return m.prev; // hole touches outer segment; pick lower endpoint + + // look for points inside the triangle of hole point, segment intersection and endpoint; + // if there are no points found, we have a valid connection; + // otherwise choose the point of the minimum angle with the ray as connection point + + var stop = m, + mx = m.x, + my = m.y, + tanMin = Infinity, + tan; + + p = m.next; + + while ( p !== stop ) { + + if ( hx >= p.x && p.x >= mx && hx !== p.x && + pointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) { + + tan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential + + if ( ( tan < tanMin || ( tan === tanMin && p.x > m.x ) ) && locallyInside( p, hole ) ) { + + m = p; + tanMin = tan; + + } + + } + + p = p.next; + + } + + return m; + +} + +// interlink polygon nodes in z-order +function indexCurve( start, minX, minY, invSize ) { + + var p = start; + do { + + if ( p.z === null ) p.z = zOrder( p.x, p.y, minX, minY, invSize ); + p.prevZ = p.prev; + p.nextZ = p.next; + p = p.next; + + } while ( p !== start ); + + p.prevZ.nextZ = null; + p.prevZ = null; + + sortLinked( p ); + +} + +// Simon Tatham's linked list merge sort algorithm +// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html +function sortLinked( list ) { + + var i, p, q, e, tail, numMerges, pSize, qSize, + inSize = 1; + + do { + + p = list; + list = null; + tail = null; + numMerges = 0; + + while ( p ) { + + numMerges ++; + q = p; + pSize = 0; + for ( i = 0; i < inSize; i ++ ) { + + pSize ++; + q = q.nextZ; + if ( ! q ) break; + + } + + qSize = inSize; + + while ( pSize > 0 || ( qSize > 0 && q ) ) { + + if ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) { + + e = p; + p = p.nextZ; + pSize --; + + } else { + + e = q; + q = q.nextZ; + qSize --; + + } + + if ( tail ) tail.nextZ = e; + else list = e; + + e.prevZ = tail; + tail = e; + + } + + p = q; + + } + + tail.nextZ = null; + inSize *= 2; + + } while ( numMerges > 1 ); + + return list; + +} + +// z-order of a point given coords and inverse of the longer side of data bbox +function zOrder( x, y, minX, minY, invSize ) { + + // coords are transformed into non-negative 15-bit integer range + x = 32767 * ( x - minX ) * invSize; + y = 32767 * ( y - minY ) * invSize; + + x = ( x | ( x << 8 ) ) & 0x00FF00FF; + x = ( x | ( x << 4 ) ) & 0x0F0F0F0F; + x = ( x | ( x << 2 ) ) & 0x33333333; + x = ( x | ( x << 1 ) ) & 0x55555555; + + y = ( y | ( y << 8 ) ) & 0x00FF00FF; + y = ( y | ( y << 4 ) ) & 0x0F0F0F0F; + y = ( y | ( y << 2 ) ) & 0x33333333; + y = ( y | ( y << 1 ) ) & 0x55555555; + + return x | ( y << 1 ); + +} + +// find the leftmost node of a polygon ring +function getLeftmost( start ) { + + var p = start, + leftmost = start; + do { + + if ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p; + p = p.next; + + } while ( p !== start ); + + return leftmost; + +} + +// check if a point lies within a convex triangle +function pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) { + + return ( cx - px ) * ( ay - py ) - ( ax - px ) * ( cy - py ) >= 0 && + ( ax - px ) * ( by - py ) - ( bx - px ) * ( ay - py ) >= 0 && + ( bx - px ) * ( cy - py ) - ( cx - px ) * ( by - py ) >= 0; + +} + +// check if a diagonal between two polygon nodes is valid (lies in polygon interior) +function isValidDiagonal( a, b ) { + + return a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && + locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ); + +} + +// signed area of a triangle +function three_module_area( p, q, r ) { + + return ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y ); + +} + +// check if two points are equal +function equals( p1, p2 ) { + + return p1.x === p2.x && p1.y === p2.y; + +} + +// check if two segments intersect +function intersects( p1, q1, p2, q2 ) { + + if ( ( equals( p1, p2 ) && equals( q1, q2 ) ) || + ( equals( p1, q2 ) && equals( p2, q1 ) ) ) return true; + return three_module_area( p1, q1, p2 ) > 0 !== three_module_area( p1, q1, q2 ) > 0 && + three_module_area( p2, q2, p1 ) > 0 !== three_module_area( p2, q2, q1 ) > 0; + +} + +// check if a polygon diagonal intersects any polygon segments +function intersectsPolygon( a, b ) { + + var p = a; + do { + + if ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i && + intersects( p, p.next, a, b ) ) return true; + p = p.next; + + } while ( p !== a ); + + return false; + +} + +// check if a polygon diagonal is locally inside the polygon +function locallyInside( a, b ) { + + return three_module_area( a.prev, a, a.next ) < 0 ? + three_module_area( a, b, a.next ) >= 0 && three_module_area( a, a.prev, b ) >= 0 : + three_module_area( a, b, a.prev ) < 0 || three_module_area( a, a.next, b ) < 0; + +} + +// check if the middle point of a polygon diagonal is inside the polygon +function middleInside( a, b ) { + + var p = a, + inside = false, + px = ( a.x + b.x ) / 2, + py = ( a.y + b.y ) / 2; + do { + + if ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y && + ( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) ) + inside = ! inside; + p = p.next; + + } while ( p !== a ); + + return inside; + +} + +// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two; +// if one belongs to the outer ring and another to a hole, it merges it into a single ring +function splitPolygon( a, b ) { + + var a2 = new Node( a.i, a.x, a.y ), + b2 = new Node( b.i, b.x, b.y ), + an = a.next, + bp = b.prev; + + a.next = b; + b.prev = a; + + a2.next = an; + an.prev = a2; + + b2.next = a2; + a2.prev = b2; + + bp.next = b2; + b2.prev = bp; + + return b2; + +} + +// create a node and optionally link it with previous one (in a circular doubly linked list) +function insertNode( i, x, y, last ) { + + var p = new Node( i, x, y ); + + if ( ! last ) { + + p.prev = p; + p.next = p; + + } else { + + p.next = last.next; + p.prev = last; + last.next.prev = p; + last.next = p; + + } + + return p; + +} + +function removeNode( p ) { + + p.next.prev = p.prev; + p.prev.next = p.next; + + if ( p.prevZ ) p.prevZ.nextZ = p.nextZ; + if ( p.nextZ ) p.nextZ.prevZ = p.prevZ; + +} + +function Node( i, x, y ) { + + // vertex index in coordinates array + this.i = i; + + // vertex coordinates + this.x = x; + this.y = y; + + // previous and next vertex nodes in a polygon ring + this.prev = null; + this.next = null; + + // z-order curve value + this.z = null; + + // previous and next nodes in z-order + this.prevZ = null; + this.nextZ = null; + + // indicates whether this is a steiner point + this.steiner = false; + +} + +function signedArea( data, start, end, dim ) { + + var sum = 0; + for ( var i = start, j = end - dim; i < end; i += dim ) { + + sum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] ); + j = i; + + } + + return sum; + +} + +/** + * @author zz85 / http://www.lab4games.net/zz85/blog + */ + +var ShapeUtils = { + + // calculate area of the contour polygon + + area: function ( contour ) { + + var n = contour.length; + var a = 0.0; + + for ( var p = n - 1, q = 0; q < n; p = q ++ ) { + + a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y; + + } + + return a * 0.5; + + }, + + isClockWise: function ( pts ) { + + return ShapeUtils.area( pts ) < 0; + + }, + + triangulateShape: function ( contour, holes ) { + + var vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ] + var holeIndices = []; // array of hole indices + var faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ] + + removeDupEndPts( contour ); + addContour( vertices, contour ); + + // + + var holeIndex = contour.length; + + holes.forEach( removeDupEndPts ); + + for ( var i = 0; i < holes.length; i ++ ) { + + holeIndices.push( holeIndex ); + holeIndex += holes[ i ].length; + addContour( vertices, holes[ i ] ); + + } + + // + + var triangles = Earcut.triangulate( vertices, holeIndices ); + + // + + for ( var i = 0; i < triangles.length; i += 3 ) { + + faces.push( triangles.slice( i, i + 3 ) ); + + } + + return faces; + + } + +}; + +function removeDupEndPts( points ) { + + var l = points.length; + + if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) { + + points.pop(); + + } + +} + +function addContour( vertices, contour ) { + + for ( var i = 0; i < contour.length; i ++ ) { + + vertices.push( contour[ i ].x ); + vertices.push( contour[ i ].y ); + + } + +} + +/** + * @author zz85 / http://www.lab4games.net/zz85/blog + * + * Creates extruded geometry from a path shape. + * + * parameters = { + * + * curveSegments: , // number of points on the curves + * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too + * depth: , // Depth to extrude the shape + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into the original shape bevel goes + * bevelSize: , // how far from shape outline (including bevelOffset) is bevel + * bevelOffset: , // how far from shape outline does bevel start + * bevelSegments: , // number of bevel layers + * + * extrudePath: // curve to extrude shape along + * + * UVGenerator: // object that provides UV generator functions + * + * } + */ + +// ExtrudeGeometry + +function ExtrudeGeometry( shapes, options ) { + + Geometry.call( this ); + + this.type = 'ExtrudeGeometry'; + + this.parameters = { + shapes: shapes, + options: options + }; + + this.fromBufferGeometry( new ExtrudeBufferGeometry( shapes, options ) ); + this.mergeVertices(); + +} + +ExtrudeGeometry.prototype = Object.create( Geometry.prototype ); +ExtrudeGeometry.prototype.constructor = ExtrudeGeometry; + +ExtrudeGeometry.prototype.toJSON = function () { + + var data = Geometry.prototype.toJSON.call( this ); + + var shapes = this.parameters.shapes; + var options = this.parameters.options; + + return toJSON( shapes, options, data ); + +}; + +// ExtrudeBufferGeometry + +function ExtrudeBufferGeometry( shapes, options ) { + + BufferGeometry.call( this ); + + this.type = 'ExtrudeBufferGeometry'; + + this.parameters = { + shapes: shapes, + options: options + }; + + shapes = Array.isArray( shapes ) ? shapes : [ shapes ]; + + var scope = this; + + var verticesArray = []; + var uvArray = []; + + for ( var i = 0, l = shapes.length; i < l; i ++ ) { + + var shape = shapes[ i ]; + addShape( shape ); + + } + + // build geometry + + this.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) ); + + this.computeVertexNormals(); + + // functions + + function addShape( shape ) { + + var placeholder = []; + + // options + + var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; + var steps = options.steps !== undefined ? options.steps : 1; + var depth = options.depth !== undefined ? options.depth : 100; + + var bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; + var bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; + var bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; + var bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0; + var bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3; + + var extrudePath = options.extrudePath; + + var uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator; + + // deprecated options + + if ( options.amount !== undefined ) { + + console.warn( 'THREE.ExtrudeBufferGeometry: amount has been renamed to depth.' ); + depth = options.amount; + + } + + // + + var extrudePts, extrudeByPath = false; + var splineTube, binormal, normal, position2; + + if ( extrudePath ) { + + extrudePts = extrudePath.getSpacedPoints( steps ); + + extrudeByPath = true; + bevelEnabled = false; // bevels not supported for path extrusion + + // SETUP TNB variables + + // TODO1 - have a .isClosed in spline? + + splineTube = extrudePath.computeFrenetFrames( steps, false ); + + // console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length); + + binormal = new Vector3(); + normal = new Vector3(); + position2 = new Vector3(); + + } + + // Safeguards if bevels are not enabled + + if ( ! bevelEnabled ) { + + bevelSegments = 0; + bevelThickness = 0; + bevelSize = 0; + bevelOffset = 0; + + } + + // Variables initialization + + var ahole, h, hl; // looping of holes + + var shapePoints = shape.extractPoints( curveSegments ); + + var vertices = shapePoints.shape; + var holes = shapePoints.holes; + + var reverse = ! ShapeUtils.isClockWise( vertices ); + + if ( reverse ) { + + vertices = vertices.reverse(); + + // Maybe we should also check if holes are in the opposite direction, just to be safe ... + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + + if ( ShapeUtils.isClockWise( ahole ) ) { + + holes[ h ] = ahole.reverse(); + + } + + } + + } + + + var faces = ShapeUtils.triangulateShape( vertices, holes ); + + /* Vertices */ + + var contour = vertices; // vertices has all points but contour has only points of circumference + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + + vertices = vertices.concat( ahole ); + + } + + + function scalePt2( pt, vec, size ) { + + if ( ! vec ) console.error( "THREE.ExtrudeGeometry: vec does not exist" ); + + return vec.clone().multiplyScalar( size ).add( pt ); + + } + + var b, bs, t, z, + vert, vlen = vertices.length, + face, flen = faces.length; + + + // Find directions for point movement + + + function getBevelVec( inPt, inPrev, inNext ) { + + // computes for inPt the corresponding point inPt' on a new contour + // shifted by 1 unit (length of normalized vector) to the left + // if we walk along contour clockwise, this new contour is outside the old one + // + // inPt' is the intersection of the two lines parallel to the two + // adjacent edges of inPt at a distance of 1 unit on the left side. + + var v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt + + // good reading for geometry algorithms (here: line-line intersection) + // http://geomalgorithms.com/a05-_intersect-1.html + + var v_prev_x = inPt.x - inPrev.x, + v_prev_y = inPt.y - inPrev.y; + var v_next_x = inNext.x - inPt.x, + v_next_y = inNext.y - inPt.y; + + var v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y ); + + // check for collinear edges + var collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + + if ( Math.abs( collinear0 ) > Number.EPSILON ) { + + // not collinear + + // length of vectors for normalizing + + var v_prev_len = Math.sqrt( v_prev_lensq ); + var v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y ); + + // shift adjacent points by unit vectors to the left + + var ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len ); + var ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len ); + + var ptNextShift_x = ( inNext.x - v_next_y / v_next_len ); + var ptNextShift_y = ( inNext.y + v_next_x / v_next_len ); + + // scaling factor for v_prev to intersection point + + var sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y - + ( ptNextShift_y - ptPrevShift_y ) * v_next_x ) / + ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + + // vector from inPt to intersection point + + v_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x ); + v_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y ); + + // Don't normalize!, otherwise sharp corners become ugly + // but prevent crazy spikes + var v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y ); + if ( v_trans_lensq <= 2 ) { + + return new Vector2( v_trans_x, v_trans_y ); + + } else { + + shrink_by = Math.sqrt( v_trans_lensq / 2 ); + + } + + } else { + + // handle special case of collinear edges + + var direction_eq = false; // assumes: opposite + if ( v_prev_x > Number.EPSILON ) { + + if ( v_next_x > Number.EPSILON ) { + + direction_eq = true; + + } + + } else { + + if ( v_prev_x < - Number.EPSILON ) { + + if ( v_next_x < - Number.EPSILON ) { + + direction_eq = true; + + } + + } else { + + if ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) { + + direction_eq = true; + + } + + } + + } + + if ( direction_eq ) { + + // console.log("Warning: lines are a straight sequence"); + v_trans_x = - v_prev_y; + v_trans_y = v_prev_x; + shrink_by = Math.sqrt( v_prev_lensq ); + + } else { + + // console.log("Warning: lines are a straight spike"); + v_trans_x = v_prev_x; + v_trans_y = v_prev_y; + shrink_by = Math.sqrt( v_prev_lensq / 2 ); + + } + + } + + return new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by ); + + } + + + var contourMovements = []; + + for ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + + if ( j === il ) j = 0; + if ( k === il ) k = 0; + + // (j)---(i)---(k) + // console.log('i,j,k', i, j , k) + + contourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] ); + + } + + var holesMovements = [], + oneHoleMovements, verticesMovements = contourMovements.concat(); + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + + oneHoleMovements = []; + + for ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + + if ( j === il ) j = 0; + if ( k === il ) k = 0; + + // (j)---(i)---(k) + oneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] ); + + } + + holesMovements.push( oneHoleMovements ); + verticesMovements = verticesMovements.concat( oneHoleMovements ); + + } + + + // Loop bevelSegments, 1 for the front, 1 for the back + + for ( b = 0; b < bevelSegments; b ++ ) { + + //for ( b = bevelSegments; b > 0; b -- ) { + + t = b / bevelSegments; + z = bevelThickness * Math.cos( t * Math.PI / 2 ); + bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset; + + // contract shape + + for ( i = 0, il = contour.length; i < il; i ++ ) { + + vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + + v( vert.x, vert.y, - z ); + + } + + // expand holes + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; + + for ( i = 0, il = ahole.length; i < il; i ++ ) { + + vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + + v( vert.x, vert.y, - z ); + + } + + } + + } + + bs = bevelSize + bevelOffset; + + // Back facing vertices + + for ( i = 0; i < vlen; i ++ ) { + + vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, 0 ); + + } else { + + // v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x ); + + normal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y ); + + position2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal ); + + v( position2.x, position2.y, position2.z ); + + } + + } + + // Add stepped vertices... + // Including front facing vertices + + var s; + + for ( s = 1; s <= steps; s ++ ) { + + for ( i = 0; i < vlen; i ++ ) { + + vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, depth / steps * s ); + + } else { + + // v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x ); + + normal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y ); + + position2.copy( extrudePts[ s ] ).add( normal ).add( binormal ); + + v( position2.x, position2.y, position2.z ); + + } + + } + + } + + + // Add bevel segments planes + + //for ( b = 1; b <= bevelSegments; b ++ ) { + for ( b = bevelSegments - 1; b >= 0; b -- ) { + + t = b / bevelSegments; + z = bevelThickness * Math.cos( t * Math.PI / 2 ); + bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset; + + // contract shape + + for ( i = 0, il = contour.length; i < il; i ++ ) { + + vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + v( vert.x, vert.y, depth + z ); + + } + + // expand holes + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; + + for ( i = 0, il = ahole.length; i < il; i ++ ) { + + vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, depth + z ); + + } else { + + v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z ); + + } + + } + + } + + } + + /* Faces */ + + // Top and bottom faces + + buildLidFaces(); + + // Sides faces + + buildSideFaces(); + + + ///// Internal functions + + function buildLidFaces() { + + var start = verticesArray.length / 3; + + if ( bevelEnabled ) { + + var layer = 0; // steps + 1 + var offset = vlen * layer; + + // Bottom faces + + for ( i = 0; i < flen; i ++ ) { + + face = faces[ i ]; + f3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset ); + + } + + layer = steps + bevelSegments * 2; + offset = vlen * layer; + + // Top faces + + for ( i = 0; i < flen; i ++ ) { + + face = faces[ i ]; + f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset ); + + } + + } else { + + // Bottom faces + + for ( i = 0; i < flen; i ++ ) { + + face = faces[ i ]; + f3( face[ 2 ], face[ 1 ], face[ 0 ] ); + + } + + // Top faces + + for ( i = 0; i < flen; i ++ ) { + + face = faces[ i ]; + f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps ); + + } + + } + + scope.addGroup( start, verticesArray.length / 3 - start, 0 ); + + } + + // Create faces for the z-sides of the shape + + function buildSideFaces() { + + var start = verticesArray.length / 3; + var layeroffset = 0; + sidewalls( contour, layeroffset ); + layeroffset += contour.length; + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + sidewalls( ahole, layeroffset ); + + //, true + layeroffset += ahole.length; + + } + + + scope.addGroup( start, verticesArray.length / 3 - start, 1 ); + + + } + + function sidewalls( contour, layeroffset ) { + + var j, k; + i = contour.length; + + while ( -- i >= 0 ) { + + j = i; + k = i - 1; + if ( k < 0 ) k = contour.length - 1; + + //console.log('b', i,j, i-1, k,vertices.length); + + var s = 0, + sl = steps + bevelSegments * 2; + + for ( s = 0; s < sl; s ++ ) { + + var slen1 = vlen * s; + var slen2 = vlen * ( s + 1 ); + + var a = layeroffset + j + slen1, + b = layeroffset + k + slen1, + c = layeroffset + k + slen2, + d = layeroffset + j + slen2; + + f4( a, b, c, d ); + + } + + } + + } + + function v( x, y, z ) { + + placeholder.push( x ); + placeholder.push( y ); + placeholder.push( z ); + + } + + + function f3( a, b, c ) { + + addVertex( a ); + addVertex( b ); + addVertex( c ); + + var nextIndex = verticesArray.length / 3; + var uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 ); + + addUV( uvs[ 0 ] ); + addUV( uvs[ 1 ] ); + addUV( uvs[ 2 ] ); + + } + + function f4( a, b, c, d ) { + + addVertex( a ); + addVertex( b ); + addVertex( d ); + + addVertex( b ); + addVertex( c ); + addVertex( d ); + + + var nextIndex = verticesArray.length / 3; + var uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 ); + + addUV( uvs[ 0 ] ); + addUV( uvs[ 1 ] ); + addUV( uvs[ 3 ] ); + + addUV( uvs[ 1 ] ); + addUV( uvs[ 2 ] ); + addUV( uvs[ 3 ] ); + + } + + function addVertex( index ) { + + verticesArray.push( placeholder[ index * 3 + 0 ] ); + verticesArray.push( placeholder[ index * 3 + 1 ] ); + verticesArray.push( placeholder[ index * 3 + 2 ] ); + + } + + + function addUV( vector2 ) { + + uvArray.push( vector2.x ); + uvArray.push( vector2.y ); + + } + + } + +} + +ExtrudeBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +ExtrudeBufferGeometry.prototype.constructor = ExtrudeBufferGeometry; + +ExtrudeBufferGeometry.prototype.toJSON = function () { + + var data = BufferGeometry.prototype.toJSON.call( this ); + + var shapes = this.parameters.shapes; + var options = this.parameters.options; + + return toJSON( shapes, options, data ); + +}; + +// + +var WorldUVGenerator = { + + generateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) { + + var a_x = vertices[ indexA * 3 ]; + var a_y = vertices[ indexA * 3 + 1 ]; + var b_x = vertices[ indexB * 3 ]; + var b_y = vertices[ indexB * 3 + 1 ]; + var c_x = vertices[ indexC * 3 ]; + var c_y = vertices[ indexC * 3 + 1 ]; + + return [ + new Vector2( a_x, a_y ), + new Vector2( b_x, b_y ), + new Vector2( c_x, c_y ) + ]; + + }, + + generateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) { + + var a_x = vertices[ indexA * 3 ]; + var a_y = vertices[ indexA * 3 + 1 ]; + var a_z = vertices[ indexA * 3 + 2 ]; + var b_x = vertices[ indexB * 3 ]; + var b_y = vertices[ indexB * 3 + 1 ]; + var b_z = vertices[ indexB * 3 + 2 ]; + var c_x = vertices[ indexC * 3 ]; + var c_y = vertices[ indexC * 3 + 1 ]; + var c_z = vertices[ indexC * 3 + 2 ]; + var d_x = vertices[ indexD * 3 ]; + var d_y = vertices[ indexD * 3 + 1 ]; + var d_z = vertices[ indexD * 3 + 2 ]; + + if ( Math.abs( a_y - b_y ) < 0.01 ) { + + return [ + new Vector2( a_x, 1 - a_z ), + new Vector2( b_x, 1 - b_z ), + new Vector2( c_x, 1 - c_z ), + new Vector2( d_x, 1 - d_z ) + ]; + + } else { + + return [ + new Vector2( a_y, 1 - a_z ), + new Vector2( b_y, 1 - b_z ), + new Vector2( c_y, 1 - c_z ), + new Vector2( d_y, 1 - d_z ) + ]; + + } + + } +}; + +function toJSON( shapes, options, data ) { + + // + + data.shapes = []; + + if ( Array.isArray( shapes ) ) { + + for ( var i = 0, l = shapes.length; i < l; i ++ ) { + + var shape = shapes[ i ]; + + data.shapes.push( shape.uuid ); + + } + + } else { + + data.shapes.push( shapes.uuid ); + + } + + // + + if ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON(); + + return data; + +} + +/** + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author alteredq / http://alteredqualia.com/ + * + * Text = 3D Text + * + * parameters = { + * font: , // font + * + * size: , // size of the text + * height: , // thickness to extrude text + * curveSegments: , // number of points on the curves + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into text bevel goes + * bevelSize: , // how far from text outline (including bevelOffset) is bevel + * bevelOffset: // how far from text outline does bevel start + * } + */ + +// TextGeometry + +function TextGeometry( text, parameters ) { + + Geometry.call( this ); + + this.type = 'TextGeometry'; + + this.parameters = { + text: text, + parameters: parameters + }; + + this.fromBufferGeometry( new TextBufferGeometry( text, parameters ) ); + this.mergeVertices(); + +} + +TextGeometry.prototype = Object.create( Geometry.prototype ); +TextGeometry.prototype.constructor = TextGeometry; + +// TextBufferGeometry + +function TextBufferGeometry( text, parameters ) { + + parameters = parameters || {}; + + var font = parameters.font; + + if ( ! ( font && font.isFont ) ) { + + console.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' ); + return new Geometry(); + + } + + var shapes = font.generateShapes( text, parameters.size ); + + // translate parameters to ExtrudeGeometry API + + parameters.depth = parameters.height !== undefined ? parameters.height : 50; + + // defaults + + if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10; + if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8; + if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false; + + ExtrudeBufferGeometry.call( this, shapes, parameters ); + + this.type = 'TextBufferGeometry'; + +} + +TextBufferGeometry.prototype = Object.create( ExtrudeBufferGeometry.prototype ); +TextBufferGeometry.prototype.constructor = TextBufferGeometry; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author benaadams / https://twitter.com/ben_a_adams + * @author Mugen87 / https://github.com/Mugen87 + */ + +// SphereGeometry + +function SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { + + Geometry.call( this ); + + this.type = 'SphereGeometry'; + + this.parameters = { + radius: radius, + widthSegments: widthSegments, + heightSegments: heightSegments, + phiStart: phiStart, + phiLength: phiLength, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + this.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) ); + this.mergeVertices(); + +} + +SphereGeometry.prototype = Object.create( Geometry.prototype ); +SphereGeometry.prototype.constructor = SphereGeometry; + +// SphereBufferGeometry + +function SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { + + BufferGeometry.call( this ); + + this.type = 'SphereBufferGeometry'; + + this.parameters = { + radius: radius, + widthSegments: widthSegments, + heightSegments: heightSegments, + phiStart: phiStart, + phiLength: phiLength, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + radius = radius || 1; + + widthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 ); + heightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 ); + + phiStart = phiStart !== undefined ? phiStart : 0; + phiLength = phiLength !== undefined ? phiLength : Math.PI * 2; + + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI; + + var thetaEnd = Math.min( thetaStart + thetaLength, Math.PI ); + + var ix, iy; + + var index = 0; + var grid = []; + + var vertex = new Vector3(); + var normal = new Vector3(); + + // buffers + + var indices = []; + var vertices = []; + var normals = []; + var uvs = []; + + // generate vertices, normals and uvs + + for ( iy = 0; iy <= heightSegments; iy ++ ) { + + var verticesRow = []; + + var v = iy / heightSegments; + + // special case for the poles + + var uOffset = 0; + + if ( iy == 0 && thetaStart == 0 ) { + + uOffset = 0.5 / widthSegments; + + } else if ( iy == heightSegments && thetaEnd == Math.PI ) { + + uOffset = - 0.5 / widthSegments; + + } + + for ( ix = 0; ix <= widthSegments; ix ++ ) { + + var u = ix / widthSegments; + + // vertex + + vertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + vertex.y = radius * Math.cos( thetaStart + v * thetaLength ); + vertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normal.copy( vertex ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( u + uOffset, 1 - v ); + + verticesRow.push( index ++ ); + + } + + grid.push( verticesRow ); + + } + + // indices + + for ( iy = 0; iy < heightSegments; iy ++ ) { + + for ( ix = 0; ix < widthSegments; ix ++ ) { + + var a = grid[ iy ][ ix + 1 ]; + var b = grid[ iy ][ ix ]; + var c = grid[ iy + 1 ][ ix ]; + var d = grid[ iy + 1 ][ ix + 1 ]; + + if ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d ); + if ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + +} + +SphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +SphereBufferGeometry.prototype.constructor = SphereBufferGeometry; + +/** + * @author Kaleb Murphy + * @author Mugen87 / https://github.com/Mugen87 + */ + +// RingGeometry + +function RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { + + Geometry.call( this ); + + this.type = 'RingGeometry'; + + this.parameters = { + innerRadius: innerRadius, + outerRadius: outerRadius, + thetaSegments: thetaSegments, + phiSegments: phiSegments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + this.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) ); + this.mergeVertices(); + +} + +RingGeometry.prototype = Object.create( Geometry.prototype ); +RingGeometry.prototype.constructor = RingGeometry; + +// RingBufferGeometry + +function RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { + + BufferGeometry.call( this ); + + this.type = 'RingBufferGeometry'; + + this.parameters = { + innerRadius: innerRadius, + outerRadius: outerRadius, + thetaSegments: thetaSegments, + phiSegments: phiSegments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + innerRadius = innerRadius || 0.5; + outerRadius = outerRadius || 1; + + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; + + thetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8; + phiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1; + + // buffers + + var indices = []; + var vertices = []; + var normals = []; + var uvs = []; + + // some helper variables + + var segment; + var radius = innerRadius; + var radiusStep = ( ( outerRadius - innerRadius ) / phiSegments ); + var vertex = new Vector3(); + var uv = new Vector2(); + var j, i; + + // generate vertices, normals and uvs + + for ( j = 0; j <= phiSegments; j ++ ) { + + for ( i = 0; i <= thetaSegments; i ++ ) { + + // values are generate from the inside of the ring to the outside + + segment = thetaStart + i / thetaSegments * thetaLength; + + // vertex + + vertex.x = radius * Math.cos( segment ); + vertex.y = radius * Math.sin( segment ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normals.push( 0, 0, 1 ); + + // uv + + uv.x = ( vertex.x / outerRadius + 1 ) / 2; + uv.y = ( vertex.y / outerRadius + 1 ) / 2; + + uvs.push( uv.x, uv.y ); + + } + + // increase the radius for next row of vertices + + radius += radiusStep; + + } + + // indices + + for ( j = 0; j < phiSegments; j ++ ) { + + var thetaSegmentLevel = j * ( thetaSegments + 1 ); + + for ( i = 0; i < thetaSegments; i ++ ) { + + segment = i + thetaSegmentLevel; + + var a = segment; + var b = segment + thetaSegments + 1; + var c = segment + thetaSegments + 2; + var d = segment + 1; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + +} + +RingBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +RingBufferGeometry.prototype.constructor = RingBufferGeometry; + +/** + * @author zz85 / https://github.com/zz85 + * @author bhouston / http://clara.io + * @author Mugen87 / https://github.com/Mugen87 + */ + +// LatheGeometry + +function LatheGeometry( points, segments, phiStart, phiLength ) { + + Geometry.call( this ); + + this.type = 'LatheGeometry'; + + this.parameters = { + points: points, + segments: segments, + phiStart: phiStart, + phiLength: phiLength + }; + + this.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) ); + this.mergeVertices(); + +} + +LatheGeometry.prototype = Object.create( Geometry.prototype ); +LatheGeometry.prototype.constructor = LatheGeometry; + +// LatheBufferGeometry + +function LatheBufferGeometry( points, segments, phiStart, phiLength ) { + + BufferGeometry.call( this ); + + this.type = 'LatheBufferGeometry'; + + this.parameters = { + points: points, + segments: segments, + phiStart: phiStart, + phiLength: phiLength + }; + + segments = Math.floor( segments ) || 12; + phiStart = phiStart || 0; + phiLength = phiLength || Math.PI * 2; + + // clamp phiLength so it's in range of [ 0, 2PI ] + + phiLength = MathUtils.clamp( phiLength, 0, Math.PI * 2 ); + + + // buffers + + var indices = []; + var vertices = []; + var uvs = []; + + // helper variables + + var base; + var inverseSegments = 1.0 / segments; + var vertex = new Vector3(); + var uv = new Vector2(); + var i, j; + + // generate vertices and uvs + + for ( i = 0; i <= segments; i ++ ) { + + var phi = phiStart + i * inverseSegments * phiLength; + + var sin = Math.sin( phi ); + var cos = Math.cos( phi ); + + for ( j = 0; j <= ( points.length - 1 ); j ++ ) { + + // vertex + + vertex.x = points[ j ].x * sin; + vertex.y = points[ j ].y; + vertex.z = points[ j ].x * cos; + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // uv + + uv.x = i / segments; + uv.y = j / ( points.length - 1 ); + + uvs.push( uv.x, uv.y ); + + + } + + } + + // indices + + for ( i = 0; i < segments; i ++ ) { + + for ( j = 0; j < ( points.length - 1 ); j ++ ) { + + base = j + i * points.length; + + var a = base; + var b = base + points.length; + var c = base + points.length + 1; + var d = base + 1; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + // generate normals + + this.computeVertexNormals(); + + // if the geometry is closed, we need to average the normals along the seam. + // because the corresponding vertices are identical (but still have different UVs). + + if ( phiLength === Math.PI * 2 ) { + + var normals = this.attributes.normal.array; + var n1 = new Vector3(); + var n2 = new Vector3(); + var n = new Vector3(); + + // this is the buffer offset for the last line of vertices + + base = segments * points.length * 3; + + for ( i = 0, j = 0; i < points.length; i ++, j += 3 ) { + + // select the normal of the vertex in the first line + + n1.x = normals[ j + 0 ]; + n1.y = normals[ j + 1 ]; + n1.z = normals[ j + 2 ]; + + // select the normal of the vertex in the last line + + n2.x = normals[ base + j + 0 ]; + n2.y = normals[ base + j + 1 ]; + n2.z = normals[ base + j + 2 ]; + + // average normals + + n.addVectors( n1, n2 ).normalize(); + + // assign the new values to both normals + + normals[ j + 0 ] = normals[ base + j + 0 ] = n.x; + normals[ j + 1 ] = normals[ base + j + 1 ] = n.y; + normals[ j + 2 ] = normals[ base + j + 2 ] = n.z; + + } + + } + +} + +LatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +LatheBufferGeometry.prototype.constructor = LatheBufferGeometry; + +/** + * @author jonobr1 / http://jonobr1.com + * @author Mugen87 / https://github.com/Mugen87 + */ + +// ShapeGeometry + +function ShapeGeometry( shapes, curveSegments ) { + + Geometry.call( this ); + + this.type = 'ShapeGeometry'; + + if ( typeof curveSegments === 'object' ) { + + console.warn( 'THREE.ShapeGeometry: Options parameter has been removed.' ); + + curveSegments = curveSegments.curveSegments; + + } + + this.parameters = { + shapes: shapes, + curveSegments: curveSegments + }; + + this.fromBufferGeometry( new ShapeBufferGeometry( shapes, curveSegments ) ); + this.mergeVertices(); + +} + +ShapeGeometry.prototype = Object.create( Geometry.prototype ); +ShapeGeometry.prototype.constructor = ShapeGeometry; + +ShapeGeometry.prototype.toJSON = function () { + + var data = Geometry.prototype.toJSON.call( this ); + + var shapes = this.parameters.shapes; + + return toJSON$1( shapes, data ); + +}; + +// ShapeBufferGeometry + +function ShapeBufferGeometry( shapes, curveSegments ) { + + BufferGeometry.call( this ); + + this.type = 'ShapeBufferGeometry'; + + this.parameters = { + shapes: shapes, + curveSegments: curveSegments + }; + + curveSegments = curveSegments || 12; + + // buffers + + var indices = []; + var vertices = []; + var normals = []; + var uvs = []; + + // helper variables + + var groupStart = 0; + var groupCount = 0; + + // allow single and array values for "shapes" parameter + + if ( Array.isArray( shapes ) === false ) { + + addShape( shapes ); + + } else { + + for ( var i = 0; i < shapes.length; i ++ ) { + + addShape( shapes[ i ] ); + + this.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support + + groupStart += groupCount; + groupCount = 0; + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + + // helper functions + + function addShape( shape ) { + + var i, l, shapeHole; + + var indexOffset = vertices.length / 3; + var points = shape.extractPoints( curveSegments ); + + var shapeVertices = points.shape; + var shapeHoles = points.holes; + + // check direction of vertices + + if ( ShapeUtils.isClockWise( shapeVertices ) === false ) { + + shapeVertices = shapeVertices.reverse(); + + } + + for ( i = 0, l = shapeHoles.length; i < l; i ++ ) { + + shapeHole = shapeHoles[ i ]; + + if ( ShapeUtils.isClockWise( shapeHole ) === true ) { + + shapeHoles[ i ] = shapeHole.reverse(); + + } + + } + + var faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles ); + + // join vertices of inner and outer paths to a single array + + for ( i = 0, l = shapeHoles.length; i < l; i ++ ) { + + shapeHole = shapeHoles[ i ]; + shapeVertices = shapeVertices.concat( shapeHole ); + + } + + // vertices, normals, uvs + + for ( i = 0, l = shapeVertices.length; i < l; i ++ ) { + + var vertex = shapeVertices[ i ]; + + vertices.push( vertex.x, vertex.y, 0 ); + normals.push( 0, 0, 1 ); + uvs.push( vertex.x, vertex.y ); // world uvs + + } + + // incides + + for ( i = 0, l = faces.length; i < l; i ++ ) { + + var face = faces[ i ]; + + var a = face[ 0 ] + indexOffset; + var b = face[ 1 ] + indexOffset; + var c = face[ 2 ] + indexOffset; + + indices.push( a, b, c ); + groupCount += 3; + + } + + } + +} + +ShapeBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +ShapeBufferGeometry.prototype.constructor = ShapeBufferGeometry; + +ShapeBufferGeometry.prototype.toJSON = function () { + + var data = BufferGeometry.prototype.toJSON.call( this ); + + var shapes = this.parameters.shapes; + + return toJSON$1( shapes, data ); + +}; + +// + +function toJSON$1( shapes, data ) { + + data.shapes = []; + + if ( Array.isArray( shapes ) ) { + + for ( var i = 0, l = shapes.length; i < l; i ++ ) { + + var shape = shapes[ i ]; + + data.shapes.push( shape.uuid ); + + } + + } else { + + data.shapes.push( shapes.uuid ); + + } + + return data; + +} + +/** + * @author WestLangley / http://github.com/WestLangley + * @author Mugen87 / https://github.com/Mugen87 + */ + +function EdgesGeometry( geometry, thresholdAngle ) { + + BufferGeometry.call( this ); + + this.type = 'EdgesGeometry'; + + this.parameters = { + thresholdAngle: thresholdAngle + }; + + thresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1; + + // buffer + + var vertices = []; + + // helper variables + + var thresholdDot = Math.cos( MathUtils.DEG2RAD * thresholdAngle ); + var edge = [ 0, 0 ], edges = {}, edge1, edge2; + var key, keys = [ 'a', 'b', 'c' ]; + + // prepare source geometry + + var geometry2; + + if ( geometry.isBufferGeometry ) { + + geometry2 = new Geometry(); + geometry2.fromBufferGeometry( geometry ); + + } else { + + geometry2 = geometry.clone(); + + } + + geometry2.mergeVertices(); + geometry2.computeFaceNormals(); + + var sourceVertices = geometry2.vertices; + var faces = geometry2.faces; + + // now create a data structure where each entry represents an edge with its adjoining faces + + for ( var i = 0, l = faces.length; i < l; i ++ ) { + + var face = faces[ i ]; + + for ( var j = 0; j < 3; j ++ ) { + + edge1 = face[ keys[ j ] ]; + edge2 = face[ keys[ ( j + 1 ) % 3 ] ]; + edge[ 0 ] = Math.min( edge1, edge2 ); + edge[ 1 ] = Math.max( edge1, edge2 ); + + key = edge[ 0 ] + ',' + edge[ 1 ]; + + if ( edges[ key ] === undefined ) { + + edges[ key ] = { index1: edge[ 0 ], index2: edge[ 1 ], face1: i, face2: undefined }; + + } else { + + edges[ key ].face2 = i; + + } + + } + + } + + // generate vertices + + for ( key in edges ) { + + var e = edges[ key ]; + + // an edge is only rendered if the angle (in degrees) between the face normals of the adjoining faces exceeds this value. default = 1 degree. + + if ( e.face2 === undefined || faces[ e.face1 ].normal.dot( faces[ e.face2 ].normal ) <= thresholdDot ) { + + var vertex = sourceVertices[ e.index1 ]; + vertices.push( vertex.x, vertex.y, vertex.z ); + + vertex = sourceVertices[ e.index2 ]; + vertices.push( vertex.x, vertex.y, vertex.z ); + + } + + } + + // build geometry + + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + +} + +EdgesGeometry.prototype = Object.create( BufferGeometry.prototype ); +EdgesGeometry.prototype.constructor = EdgesGeometry; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author Mugen87 / https://github.com/Mugen87 + */ + +// CylinderGeometry + +function CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + + Geometry.call( this ); + + this.type = 'CylinderGeometry'; + + this.parameters = { + radiusTop: radiusTop, + radiusBottom: radiusBottom, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + this.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) ); + this.mergeVertices(); + +} + +CylinderGeometry.prototype = Object.create( Geometry.prototype ); +CylinderGeometry.prototype.constructor = CylinderGeometry; + +// CylinderBufferGeometry + +function CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + + BufferGeometry.call( this ); + + this.type = 'CylinderBufferGeometry'; + + this.parameters = { + radiusTop: radiusTop, + radiusBottom: radiusBottom, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + var scope = this; + + radiusTop = radiusTop !== undefined ? radiusTop : 1; + radiusBottom = radiusBottom !== undefined ? radiusBottom : 1; + height = height || 1; + + radialSegments = Math.floor( radialSegments ) || 8; + heightSegments = Math.floor( heightSegments ) || 1; + + openEnded = openEnded !== undefined ? openEnded : false; + thetaStart = thetaStart !== undefined ? thetaStart : 0.0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; + + // buffers + + var indices = []; + var vertices = []; + var normals = []; + var uvs = []; + + // helper variables + + var index = 0; + var indexArray = []; + var halfHeight = height / 2; + var groupStart = 0; + + // generate geometry + + generateTorso(); + + if ( openEnded === false ) { + + if ( radiusTop > 0 ) generateCap( true ); + if ( radiusBottom > 0 ) generateCap( false ); + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + function generateTorso() { + + var x, y; + var normal = new Vector3(); + var vertex = new Vector3(); + + var groupCount = 0; + + // this will be used to calculate the normal + var slope = ( radiusBottom - radiusTop ) / height; + + // generate vertices, normals and uvs + + for ( y = 0; y <= heightSegments; y ++ ) { + + var indexRow = []; + + var v = y / heightSegments; + + // calculate the radius of the current row + + var radius = v * ( radiusBottom - radiusTop ) + radiusTop; + + for ( x = 0; x <= radialSegments; x ++ ) { + + var u = x / radialSegments; + + var theta = u * thetaLength + thetaStart; + + var sinTheta = Math.sin( theta ); + var cosTheta = Math.cos( theta ); + + // vertex + + vertex.x = radius * sinTheta; + vertex.y = - v * height + halfHeight; + vertex.z = radius * cosTheta; + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normal.set( sinTheta, slope, cosTheta ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( u, 1 - v ); + + // save index of vertex in respective row + + indexRow.push( index ++ ); + + } + + // now save vertices of the row in our index array + + indexArray.push( indexRow ); + + } + + // generate indices + + for ( x = 0; x < radialSegments; x ++ ) { + + for ( y = 0; y < heightSegments; y ++ ) { + + // we use the index array to access the correct indices + + var a = indexArray[ y ][ x ]; + var b = indexArray[ y + 1 ][ x ]; + var c = indexArray[ y + 1 ][ x + 1 ]; + var d = indexArray[ y ][ x + 1 ]; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + // update group counter + + groupCount += 6; + + } + + } + + // add a group to the geometry. this will ensure multi material support + + scope.addGroup( groupStart, groupCount, 0 ); + + // calculate new start value for groups + + groupStart += groupCount; + + } + + function generateCap( top ) { + + var x, centerIndexStart, centerIndexEnd; + + var uv = new Vector2(); + var vertex = new Vector3(); + + var groupCount = 0; + + var radius = ( top === true ) ? radiusTop : radiusBottom; + var sign = ( top === true ) ? 1 : - 1; + + // save the index of the first center vertex + centerIndexStart = index; + + // first we generate the center vertex data of the cap. + // because the geometry needs one set of uvs per face, + // we must generate a center vertex per face/segment + + for ( x = 1; x <= radialSegments; x ++ ) { + + // vertex + + vertices.push( 0, halfHeight * sign, 0 ); + + // normal + + normals.push( 0, sign, 0 ); + + // uv + + uvs.push( 0.5, 0.5 ); + + // increase index + + index ++; + + } + + // save the index of the last center vertex + + centerIndexEnd = index; + + // now we generate the surrounding vertices, normals and uvs + + for ( x = 0; x <= radialSegments; x ++ ) { + + var u = x / radialSegments; + var theta = u * thetaLength + thetaStart; + + var cosTheta = Math.cos( theta ); + var sinTheta = Math.sin( theta ); + + // vertex + + vertex.x = radius * sinTheta; + vertex.y = halfHeight * sign; + vertex.z = radius * cosTheta; + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normals.push( 0, sign, 0 ); + + // uv + + uv.x = ( cosTheta * 0.5 ) + 0.5; + uv.y = ( sinTheta * 0.5 * sign ) + 0.5; + uvs.push( uv.x, uv.y ); + + // increase index + + index ++; + + } + + // generate indices + + for ( x = 0; x < radialSegments; x ++ ) { + + var c = centerIndexStart + x; + var i = centerIndexEnd + x; + + if ( top === true ) { + + // face top + + indices.push( i, i + 1, c ); + + } else { + + // face bottom + + indices.push( i + 1, i, c ); + + } + + groupCount += 3; + + } + + // add a group to the geometry. this will ensure multi material support + + scope.addGroup( groupStart, groupCount, top === true ? 1 : 2 ); + + // calculate new start value for groups + + groupStart += groupCount; + + } + +} + +CylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +CylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry; + +/** + * @author abelnation / http://github.com/abelnation + */ + +// ConeGeometry + +function ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + + CylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); + + this.type = 'ConeGeometry'; + + this.parameters = { + radius: radius, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + +} + +ConeGeometry.prototype = Object.create( CylinderGeometry.prototype ); +ConeGeometry.prototype.constructor = ConeGeometry; + +// ConeBufferGeometry + +function ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + + CylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); + + this.type = 'ConeBufferGeometry'; + + this.parameters = { + radius: radius, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + +} + +ConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype ); +ConeBufferGeometry.prototype.constructor = ConeBufferGeometry; + +/** + * @author benaadams / https://twitter.com/ben_a_adams + * @author Mugen87 / https://github.com/Mugen87 + * @author hughes + */ + +// CircleGeometry + +function CircleGeometry( radius, segments, thetaStart, thetaLength ) { + + Geometry.call( this ); + + this.type = 'CircleGeometry'; + + this.parameters = { + radius: radius, + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + this.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) ); + this.mergeVertices(); + +} + +CircleGeometry.prototype = Object.create( Geometry.prototype ); +CircleGeometry.prototype.constructor = CircleGeometry; + +// CircleBufferGeometry + +function CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) { + + BufferGeometry.call( this ); + + this.type = 'CircleBufferGeometry'; + + this.parameters = { + radius: radius, + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + radius = radius || 1; + segments = segments !== undefined ? Math.max( 3, segments ) : 8; + + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; + + // buffers + + var indices = []; + var vertices = []; + var normals = []; + var uvs = []; + + // helper variables + + var i, s; + var vertex = new Vector3(); + var uv = new Vector2(); + + // center point + + vertices.push( 0, 0, 0 ); + normals.push( 0, 0, 1 ); + uvs.push( 0.5, 0.5 ); + + for ( s = 0, i = 3; s <= segments; s ++, i += 3 ) { + + var segment = thetaStart + s / segments * thetaLength; + + // vertex + + vertex.x = radius * Math.cos( segment ); + vertex.y = radius * Math.sin( segment ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normals.push( 0, 0, 1 ); + + // uvs + + uv.x = ( vertices[ i ] / radius + 1 ) / 2; + uv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2; + + uvs.push( uv.x, uv.y ); + + } + + // indices + + for ( i = 1; i <= segments; i ++ ) { + + indices.push( i, i + 1, 0 ); + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + +} + +CircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +CircleBufferGeometry.prototype.constructor = CircleBufferGeometry; + + + +var Geometries = /*#__PURE__*/Object.freeze({ + __proto__: null, + WireframeGeometry: WireframeGeometry, + ParametricGeometry: ParametricGeometry, + ParametricBufferGeometry: ParametricBufferGeometry, + TetrahedronGeometry: TetrahedronGeometry, + TetrahedronBufferGeometry: TetrahedronBufferGeometry, + OctahedronGeometry: OctahedronGeometry, + OctahedronBufferGeometry: OctahedronBufferGeometry, + IcosahedronGeometry: IcosahedronGeometry, + IcosahedronBufferGeometry: IcosahedronBufferGeometry, + DodecahedronGeometry: DodecahedronGeometry, + DodecahedronBufferGeometry: DodecahedronBufferGeometry, + PolyhedronGeometry: PolyhedronGeometry, + PolyhedronBufferGeometry: PolyhedronBufferGeometry, + TubeGeometry: TubeGeometry, + TubeBufferGeometry: TubeBufferGeometry, + TorusKnotGeometry: TorusKnotGeometry, + TorusKnotBufferGeometry: TorusKnotBufferGeometry, + TorusGeometry: TorusGeometry, + TorusBufferGeometry: TorusBufferGeometry, + TextGeometry: TextGeometry, + TextBufferGeometry: TextBufferGeometry, + SphereGeometry: SphereGeometry, + SphereBufferGeometry: SphereBufferGeometry, + RingGeometry: RingGeometry, + RingBufferGeometry: RingBufferGeometry, + PlaneGeometry: PlaneGeometry, + PlaneBufferGeometry: PlaneBufferGeometry, + LatheGeometry: LatheGeometry, + LatheBufferGeometry: LatheBufferGeometry, + ShapeGeometry: ShapeGeometry, + ShapeBufferGeometry: ShapeBufferGeometry, + ExtrudeGeometry: ExtrudeGeometry, + ExtrudeBufferGeometry: ExtrudeBufferGeometry, + EdgesGeometry: EdgesGeometry, + ConeGeometry: ConeGeometry, + ConeBufferGeometry: ConeBufferGeometry, + CylinderGeometry: CylinderGeometry, + CylinderBufferGeometry: CylinderBufferGeometry, + CircleGeometry: CircleGeometry, + CircleBufferGeometry: CircleBufferGeometry, + BoxGeometry: BoxGeometry, + BoxBufferGeometry: BoxBufferGeometry +}); + +/** + * @author mrdoob / http://mrdoob.com/ + * + * parameters = { + * color: + * } + */ + +function ShadowMaterial( parameters ) { + + Material.call( this ); + + this.type = 'ShadowMaterial'; + + this.color = new Color( 0x000000 ); + this.transparent = true; + + this.setValues( parameters ); + +} + +ShadowMaterial.prototype = Object.create( Material.prototype ); +ShadowMaterial.prototype.constructor = ShadowMaterial; + +ShadowMaterial.prototype.isShadowMaterial = true; + +ShadowMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + + return this; + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function RawShaderMaterial( parameters ) { + + ShaderMaterial.call( this, parameters ); + + this.type = 'RawShaderMaterial'; + +} + +RawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype ); +RawShaderMaterial.prototype.constructor = RawShaderMaterial; + +RawShaderMaterial.prototype.isRawShaderMaterial = true; + +/** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * color: , + * roughness: , + * metalness: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalMapType: THREE.TangentSpaceNormalMap, + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * roughnessMap: new THREE.Texture( ), + * + * metalnessMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), + * envMapIntensity: + * + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ + +function MeshStandardMaterial( parameters ) { + + Material.call( this ); + + this.defines = { 'STANDARD': '' }; + + this.type = 'MeshStandardMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + this.roughness = 1.0; + this.metalness = 0.0; + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.roughnessMap = null; + + this.metalnessMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.envMapIntensity = 1.0; + + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; + + this.vertexTangents = false; + + this.setValues( parameters ); + +} + +MeshStandardMaterial.prototype = Object.create( Material.prototype ); +MeshStandardMaterial.prototype.constructor = MeshStandardMaterial; + +MeshStandardMaterial.prototype.isMeshStandardMaterial = true; + +MeshStandardMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.defines = { 'STANDARD': '' }; + + this.color.copy( source.color ); + this.roughness = source.roughness; + this.metalness = source.metalness; + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.roughnessMap = source.roughnessMap; + + this.metalnessMap = source.metalnessMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.envMapIntensity = source.envMapIntensity; + + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; + + this.vertexTangents = source.vertexTangents; + + return this; + +}; + +/** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * reflectivity: + * clearcoat: + * clearcoatRoughness: + * + * sheen: + * + * clearcoatNormalScale: , + * clearcoatNormalMap: new THREE.Texture( ), + * } + */ + +function MeshPhysicalMaterial( parameters ) { + + MeshStandardMaterial.call( this ); + + this.defines = { + + 'STANDARD': '', + 'PHYSICAL': '' + + }; + + this.type = 'MeshPhysicalMaterial'; + + this.reflectivity = 0.5; // maps to F0 = 0.04 + + this.clearcoat = 0.0; + this.clearcoatRoughness = 0.0; + + this.sheen = null; // null will disable sheen bsdf + + this.clearcoatNormalScale = new Vector2( 1, 1 ); + this.clearcoatNormalMap = null; + + this.transparency = 0.0; + + this.setValues( parameters ); + +} + +MeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype ); +MeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial; + +MeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true; + +MeshPhysicalMaterial.prototype.copy = function ( source ) { + + MeshStandardMaterial.prototype.copy.call( this, source ); + + this.defines = { + + 'STANDARD': '', + 'PHYSICAL': '' + + }; + + this.reflectivity = source.reflectivity; + + this.clearcoat = source.clearcoat; + this.clearcoatRoughness = source.clearcoatRoughness; + + if ( source.sheen ) this.sheen = ( this.sheen || new Color() ).copy( source.sheen ); + else this.sheen = null; + + this.clearcoatNormalMap = source.clearcoatNormalMap; + this.clearcoatNormalScale.copy( source.clearcoatNormalScale ); + + this.transparency = source.transparency; + + return this; + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * specular: , + * shininess: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalMapType: THREE.TangentSpaceNormalMap, + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.MultiplyOperation, + * reflectivity: , + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ + +function MeshPhongMaterial( parameters ) { + + Material.call( this ); + + this.type = 'MeshPhongMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + this.specular = new Color( 0x111111 ); + this.shininess = 30; + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; + + this.setValues( parameters ); + +} + +MeshPhongMaterial.prototype = Object.create( Material.prototype ); +MeshPhongMaterial.prototype.constructor = MeshPhongMaterial; + +MeshPhongMaterial.prototype.isMeshPhongMaterial = true; + +MeshPhongMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + this.specular.copy( source.specular ); + this.shininess = source.shininess; + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; + + return this; + +}; + +/** + * @author takahirox / http://github.com/takahirox + * + * parameters = { + * color: , + * specular: , + * shininess: , + * + * map: new THREE.Texture( ), + * gradientMap: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalMapType: THREE.TangentSpaceNormalMap, + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ + +function MeshToonMaterial( parameters ) { + + Material.call( this ); + + this.defines = { 'TOON': '' }; + + this.type = 'MeshToonMaterial'; + + this.color = new Color( 0xffffff ); + this.specular = new Color( 0x111111 ); + this.shininess = 30; + + this.map = null; + this.gradientMap = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.specularMap = null; + + this.alphaMap = null; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; + + this.setValues( parameters ); + +} + +MeshToonMaterial.prototype = Object.create( Material.prototype ); +MeshToonMaterial.prototype.constructor = MeshToonMaterial; + +MeshToonMaterial.prototype.isMeshToonMaterial = true; + +MeshToonMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + this.specular.copy( source.specular ); + this.shininess = source.shininess; + + this.map = source.map; + this.gradientMap = source.gradientMap; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; + + return this; + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * opacity: , + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalMapType: THREE.TangentSpaceNormalMap, + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * wireframe: , + * wireframeLinewidth: + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ + +function MeshNormalMaterial( parameters ) { + + Material.call( this ); + + this.type = 'MeshNormalMaterial'; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.fog = false; + + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; + + this.setValues( parameters ); + +} + +MeshNormalMaterial.prototype = Object.create( Material.prototype ); +MeshNormalMaterial.prototype.constructor = MeshNormalMaterial; + +MeshNormalMaterial.prototype.isMeshNormalMaterial = true; + +MeshNormalMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; + + return this; + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ + +function MeshLambertMaterial( parameters ) { + + Material.call( this ); + + this.type = 'MeshLambertMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; + + this.setValues( parameters ); + +} + +MeshLambertMaterial.prototype = Object.create( Material.prototype ); +MeshLambertMaterial.prototype.constructor = MeshLambertMaterial; + +MeshLambertMaterial.prototype.isMeshLambertMaterial = true; + +MeshLambertMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; + + return this; + +}; + +/** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * color: , + * opacity: , + * + * matcap: new THREE.Texture( ), + * + * map: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalMapType: THREE.TangentSpaceNormalMap, + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * alphaMap: new THREE.Texture( ), + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ + +function MeshMatcapMaterial( parameters ) { + + Material.call( this ); + + this.defines = { 'MATCAP': '' }; + + this.type = 'MeshMatcapMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + + this.matcap = null; + + this.map = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.alphaMap = null; + + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; + + this.setValues( parameters ); + +} + +MeshMatcapMaterial.prototype = Object.create( Material.prototype ); +MeshMatcapMaterial.prototype.constructor = MeshMatcapMaterial; + +MeshMatcapMaterial.prototype.isMeshMatcapMaterial = true; + +MeshMatcapMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.defines = { 'MATCAP': '' }; + + this.color.copy( source.color ); + + this.matcap = source.matcap; + + this.map = source.map; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.alphaMap = source.alphaMap; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; + + return this; + +}; + +/** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * linewidth: , + * + * scale: , + * dashSize: , + * gapSize: + * } + */ + +function LineDashedMaterial( parameters ) { + + LineBasicMaterial.call( this ); + + this.type = 'LineDashedMaterial'; + + this.scale = 1; + this.dashSize = 3; + this.gapSize = 1; + + this.setValues( parameters ); + +} + +LineDashedMaterial.prototype = Object.create( LineBasicMaterial.prototype ); +LineDashedMaterial.prototype.constructor = LineDashedMaterial; + +LineDashedMaterial.prototype.isLineDashedMaterial = true; + +LineDashedMaterial.prototype.copy = function ( source ) { + + LineBasicMaterial.prototype.copy.call( this, source ); + + this.scale = source.scale; + this.dashSize = source.dashSize; + this.gapSize = source.gapSize; + + return this; + +}; + + + +var Materials = /*#__PURE__*/Object.freeze({ + __proto__: null, + ShadowMaterial: ShadowMaterial, + SpriteMaterial: SpriteMaterial, + RawShaderMaterial: RawShaderMaterial, + ShaderMaterial: ShaderMaterial, + PointsMaterial: PointsMaterial, + MeshPhysicalMaterial: MeshPhysicalMaterial, + MeshStandardMaterial: MeshStandardMaterial, + MeshPhongMaterial: MeshPhongMaterial, + MeshToonMaterial: MeshToonMaterial, + MeshNormalMaterial: MeshNormalMaterial, + MeshLambertMaterial: MeshLambertMaterial, + MeshDepthMaterial: MeshDepthMaterial, + MeshDistanceMaterial: MeshDistanceMaterial, + MeshBasicMaterial: MeshBasicMaterial, + MeshMatcapMaterial: MeshMatcapMaterial, + LineDashedMaterial: LineDashedMaterial, + LineBasicMaterial: LineBasicMaterial, + Material: Material +}); + +/** + * @author tschw + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + */ + +var AnimationUtils = { + + // same as Array.prototype.slice, but also works on typed arrays + arraySlice: function ( array, from, to ) { + + if ( AnimationUtils.isTypedArray( array ) ) { + + // in ios9 array.subarray(from, undefined) will return empty array + // but array.subarray(from) or array.subarray(from, len) is correct + return new array.constructor( array.subarray( from, to !== undefined ? to : array.length ) ); + + } + + return array.slice( from, to ); + + }, + + // converts an array to a specific type + convertArray: function ( array, type, forceClone ) { + + if ( ! array || // let 'undefined' and 'null' pass + ! forceClone && array.constructor === type ) return array; + + if ( typeof type.BYTES_PER_ELEMENT === 'number' ) { + + return new type( array ); // create typed array + + } + + return Array.prototype.slice.call( array ); // create Array + + }, + + isTypedArray: function ( object ) { + + return ArrayBuffer.isView( object ) && + ! ( object instanceof DataView ); + + }, + + // returns an array by which times and values can be sorted + getKeyframeOrder: function ( times ) { + + function compareTime( i, j ) { + + return times[ i ] - times[ j ]; + + } + + var n = times.length; + var result = new Array( n ); + for ( var i = 0; i !== n; ++ i ) result[ i ] = i; + + result.sort( compareTime ); + + return result; + + }, + + // uses the array previously returned by 'getKeyframeOrder' to sort data + sortedArray: function ( values, stride, order ) { + + var nValues = values.length; + var result = new values.constructor( nValues ); + + for ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) { + + var srcOffset = order[ i ] * stride; + + for ( var j = 0; j !== stride; ++ j ) { + + result[ dstOffset ++ ] = values[ srcOffset + j ]; + + } + + } + + return result; + + }, + + // function for parsing AOS keyframe formats + flattenJSON: function ( jsonKeys, times, values, valuePropertyName ) { + + var i = 1, key = jsonKeys[ 0 ]; + + while ( key !== undefined && key[ valuePropertyName ] === undefined ) { + + key = jsonKeys[ i ++ ]; + + } + + if ( key === undefined ) return; // no data + + var value = key[ valuePropertyName ]; + if ( value === undefined ) return; // no data + + if ( Array.isArray( value ) ) { + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + values.push.apply( values, value ); // push all elements + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } else if ( value.toArray !== undefined ) { + + // ...assume THREE.Math-ish + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + value.toArray( values, values.length ); + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } else { + + // otherwise push as-is + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + values.push( value ); + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } + + }, + + subclip: function ( sourceClip, name, startFrame, endFrame, fps ) { + + fps = fps || 30; + + var clip = sourceClip.clone(); + + clip.name = name; + + var tracks = []; + + for ( var i = 0; i < clip.tracks.length; ++ i ) { + + var track = clip.tracks[ i ]; + var valueSize = track.getValueSize(); + + var times = []; + var values = []; + + for ( var j = 0; j < track.times.length; ++ j ) { + + var frame = track.times[ j ] * fps; + + if ( frame < startFrame || frame >= endFrame ) continue; + + times.push( track.times[ j ] ); + + for ( var k = 0; k < valueSize; ++ k ) { + + values.push( track.values[ j * valueSize + k ] ); + + } + + } + + if ( times.length === 0 ) continue; + + track.times = AnimationUtils.convertArray( times, track.times.constructor ); + track.values = AnimationUtils.convertArray( values, track.values.constructor ); + + tracks.push( track ); + + } + + clip.tracks = tracks; + + // find minimum .times value across all tracks in the trimmed clip + + var minStartTime = Infinity; + + for ( var i = 0; i < clip.tracks.length; ++ i ) { + + if ( minStartTime > clip.tracks[ i ].times[ 0 ] ) { + + minStartTime = clip.tracks[ i ].times[ 0 ]; + + } + + } + + // shift all tracks such that clip begins at t=0 + + for ( var i = 0; i < clip.tracks.length; ++ i ) { + + clip.tracks[ i ].shift( - 1 * minStartTime ); + + } + + clip.resetDuration(); + + return clip; + + } + +}; + +/** + * Abstract base class of interpolants over parametric samples. + * + * The parameter domain is one dimensional, typically the time or a path + * along a curve defined by the data. + * + * The sample values can have any dimensionality and derived classes may + * apply special interpretations to the data. + * + * This class provides the interval seek in a Template Method, deferring + * the actual interpolation to derived classes. + * + * Time complexity is O(1) for linear access crossing at most two points + * and O(log N) for random access, where N is the number of positions. + * + * References: + * + * http://www.oodesign.com/template-method-pattern.html + * + * @author tschw + */ + +function Interpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + this.parameterPositions = parameterPositions; + this._cachedIndex = 0; + + this.resultBuffer = resultBuffer !== undefined ? + resultBuffer : new sampleValues.constructor( sampleSize ); + this.sampleValues = sampleValues; + this.valueSize = sampleSize; + +} + +Object.assign( Interpolant.prototype, { + + evaluate: function ( t ) { + + var pp = this.parameterPositions, + i1 = this._cachedIndex, + + t1 = pp[ i1 ], + t0 = pp[ i1 - 1 ]; + + validate_interval: { + + seek: { + + var right; + + linear_scan: { + + //- See http://jsperf.com/comparison-to-undefined/3 + //- slower code: + //- + //- if ( t >= t1 || t1 === undefined ) { + forward_scan: if ( ! ( t < t1 ) ) { + + for ( var giveUpAt = i1 + 2; ; ) { + + if ( t1 === undefined ) { + + if ( t < t0 ) break forward_scan; + + // after end + + i1 = pp.length; + this._cachedIndex = i1; + return this.afterEnd_( i1 - 1, t, t0 ); + + } + + if ( i1 === giveUpAt ) break; // this loop + + t0 = t1; + t1 = pp[ ++ i1 ]; + + if ( t < t1 ) { + + // we have arrived at the sought interval + break seek; + + } + + } + + // prepare binary search on the right side of the index + right = pp.length; + break linear_scan; + + } + + //- slower code: + //- if ( t < t0 || t0 === undefined ) { + if ( ! ( t >= t0 ) ) { + + // looping? + + var t1global = pp[ 1 ]; + + if ( t < t1global ) { + + i1 = 2; // + 1, using the scan for the details + t0 = t1global; + + } + + // linear reverse scan + + for ( var giveUpAt = i1 - 2; ; ) { + + if ( t0 === undefined ) { + + // before start + + this._cachedIndex = 0; + return this.beforeStart_( 0, t, t1 ); + + } + + if ( i1 === giveUpAt ) break; // this loop + + t1 = t0; + t0 = pp[ -- i1 - 1 ]; + + if ( t >= t0 ) { + + // we have arrived at the sought interval + break seek; + + } + + } + + // prepare binary search on the left side of the index + right = i1; + i1 = 0; + break linear_scan; + + } + + // the interval is valid + + break validate_interval; + + } // linear scan + + // binary search + + while ( i1 < right ) { + + var mid = ( i1 + right ) >>> 1; + + if ( t < pp[ mid ] ) { + + right = mid; + + } else { + + i1 = mid + 1; + + } + + } + + t1 = pp[ i1 ]; + t0 = pp[ i1 - 1 ]; + + // check boundary cases, again + + if ( t0 === undefined ) { + + this._cachedIndex = 0; + return this.beforeStart_( 0, t, t1 ); + + } + + if ( t1 === undefined ) { + + i1 = pp.length; + this._cachedIndex = i1; + return this.afterEnd_( i1 - 1, t0, t ); + + } + + } // seek + + this._cachedIndex = i1; + + this.intervalChanged_( i1, t0, t1 ); + + } // validate_interval + + return this.interpolate_( i1, t0, t, t1 ); + + }, + + settings: null, // optional, subclass-specific settings structure + // Note: The indirection allows central control of many interpolants. + + // --- Protected interface + + DefaultSettings_: {}, + + getSettings_: function () { + + return this.settings || this.DefaultSettings_; + + }, + + copySampleValue_: function ( index ) { + + // copies a sample value to the result buffer + + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + offset = index * stride; + + for ( var i = 0; i !== stride; ++ i ) { + + result[ i ] = values[ offset + i ]; + + } + + return result; + + }, + + // Template methods for derived classes: + + interpolate_: function ( /* i1, t0, t, t1 */ ) { + + throw new Error( 'call to abstract method' ); + // implementations shall return this.resultBuffer + + }, + + intervalChanged_: function ( /* i1, t0, t1 */ ) { + + // empty + + } + +} ); + +//!\ DECLARE ALIAS AFTER assign prototype ! +Object.assign( Interpolant.prototype, { + + //( 0, t, t0 ), returns this.resultBuffer + beforeStart_: Interpolant.prototype.copySampleValue_, + + //( N-1, tN-1, t ), returns this.resultBuffer + afterEnd_: Interpolant.prototype.copySampleValue_, + +} ); + +/** + * Fast and simple cubic spline interpolant. + * + * It was derived from a Hermitian construction setting the first derivative + * at each sample position to the linear slope between neighboring positions + * over their parameter interval. + * + * @author tschw + */ + +function CubicInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + + this._weightPrev = - 0; + this._offsetPrev = - 0; + this._weightNext = - 0; + this._offsetNext = - 0; + +} + +CubicInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), { + + constructor: CubicInterpolant, + + DefaultSettings_: { + + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + + }, + + intervalChanged_: function ( i1, t0, t1 ) { + + var pp = this.parameterPositions, + iPrev = i1 - 2, + iNext = i1 + 1, + + tPrev = pp[ iPrev ], + tNext = pp[ iNext ]; + + if ( tPrev === undefined ) { + + switch ( this.getSettings_().endingStart ) { + + case ZeroSlopeEnding: + + // f'(t0) = 0 + iPrev = i1; + tPrev = 2 * t0 - t1; + + break; + + case WrapAroundEnding: + + // use the other end of the curve + iPrev = pp.length - 2; + tPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ]; + + break; + + default: // ZeroCurvatureEnding + + // f''(t0) = 0 a.k.a. Natural Spline + iPrev = i1; + tPrev = t1; + + } + + } + + if ( tNext === undefined ) { + + switch ( this.getSettings_().endingEnd ) { + + case ZeroSlopeEnding: + + // f'(tN) = 0 + iNext = i1; + tNext = 2 * t1 - t0; + + break; + + case WrapAroundEnding: + + // use the other end of the curve + iNext = 1; + tNext = t1 + pp[ 1 ] - pp[ 0 ]; + + break; + + default: // ZeroCurvatureEnding + + // f''(tN) = 0, a.k.a. Natural Spline + iNext = i1 - 1; + tNext = t0; + + } + + } + + var halfDt = ( t1 - t0 ) * 0.5, + stride = this.valueSize; + + this._weightPrev = halfDt / ( t0 - tPrev ); + this._weightNext = halfDt / ( tNext - t1 ); + this._offsetPrev = iPrev * stride; + this._offsetNext = iNext * stride; + + }, + + interpolate_: function ( i1, t0, t, t1 ) { + + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + o1 = i1 * stride, o0 = o1 - stride, + oP = this._offsetPrev, oN = this._offsetNext, + wP = this._weightPrev, wN = this._weightNext, + + p = ( t - t0 ) / ( t1 - t0 ), + pp = p * p, + ppp = pp * p; + + // evaluate polynomials + + var sP = - wP * ppp + 2 * wP * pp - wP * p; + var s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1; + var s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p; + var sN = wN * ppp - wN * pp; + + // combine data linearly + + for ( var i = 0; i !== stride; ++ i ) { + + result[ i ] = + sP * values[ oP + i ] + + s0 * values[ o0 + i ] + + s1 * values[ o1 + i ] + + sN * values[ oN + i ]; + + } + + return result; + + } + +} ); + +/** + * @author tschw + */ + +function LinearInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + +} + +LinearInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), { + + constructor: LinearInterpolant, + + interpolate_: function ( i1, t0, t, t1 ) { + + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + offset1 = i1 * stride, + offset0 = offset1 - stride, + + weight1 = ( t - t0 ) / ( t1 - t0 ), + weight0 = 1 - weight1; + + for ( var i = 0; i !== stride; ++ i ) { + + result[ i ] = + values[ offset0 + i ] * weight0 + + values[ offset1 + i ] * weight1; + + } + + return result; + + } + +} ); + +/** + * + * Interpolant that evaluates to the sample value at the position preceeding + * the parameter. + * + * @author tschw + */ + +function DiscreteInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + +} + +DiscreteInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), { + + constructor: DiscreteInterpolant, + + interpolate_: function ( i1 /*, t0, t, t1 */ ) { + + return this.copySampleValue_( i1 - 1 ); + + } + +} ); + +/** + * + * A timed sequence of keyframes for a specific property. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + +function KeyframeTrack( name, times, values, interpolation ) { + + if ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' ); + if ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name ); + + this.name = name; + + this.times = AnimationUtils.convertArray( times, this.TimeBufferType ); + this.values = AnimationUtils.convertArray( values, this.ValueBufferType ); + + this.setInterpolation( interpolation || this.DefaultInterpolation ); + +} + +// Static methods + +Object.assign( KeyframeTrack, { + + // Serialization (in static context, because of constructor invocation + // and automatic invocation of .toJSON): + + toJSON: function ( track ) { + + var trackType = track.constructor; + + var json; + + // derived classes can define a static toJSON method + if ( trackType.toJSON !== undefined ) { + + json = trackType.toJSON( track ); + + } else { + + // by default, we assume the data can be serialized as-is + json = { + + 'name': track.name, + 'times': AnimationUtils.convertArray( track.times, Array ), + 'values': AnimationUtils.convertArray( track.values, Array ) + + }; + + var interpolation = track.getInterpolation(); + + if ( interpolation !== track.DefaultInterpolation ) { + + json.interpolation = interpolation; + + } + + } + + json.type = track.ValueTypeName; // mandatory + + return json; + + } + +} ); + +Object.assign( KeyframeTrack.prototype, { + + constructor: KeyframeTrack, + + TimeBufferType: Float32Array, + + ValueBufferType: Float32Array, + + DefaultInterpolation: InterpolateLinear, + + InterpolantFactoryMethodDiscrete: function ( result ) { + + return new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result ); + + }, + + InterpolantFactoryMethodLinear: function ( result ) { + + return new LinearInterpolant( this.times, this.values, this.getValueSize(), result ); + + }, + + InterpolantFactoryMethodSmooth: function ( result ) { + + return new CubicInterpolant( this.times, this.values, this.getValueSize(), result ); + + }, + + setInterpolation: function ( interpolation ) { + + var factoryMethod; + + switch ( interpolation ) { + + case InterpolateDiscrete: + + factoryMethod = this.InterpolantFactoryMethodDiscrete; + + break; + + case InterpolateLinear: + + factoryMethod = this.InterpolantFactoryMethodLinear; + + break; + + case InterpolateSmooth: + + factoryMethod = this.InterpolantFactoryMethodSmooth; + + break; + + } + + if ( factoryMethod === undefined ) { + + var message = "unsupported interpolation for " + + this.ValueTypeName + " keyframe track named " + this.name; + + if ( this.createInterpolant === undefined ) { + + // fall back to default, unless the default itself is messed up + if ( interpolation !== this.DefaultInterpolation ) { + + this.setInterpolation( this.DefaultInterpolation ); + + } else { + + throw new Error( message ); // fatal, in this case + + } + + } + + console.warn( 'THREE.KeyframeTrack:', message ); + return this; + + } + + this.createInterpolant = factoryMethod; + + return this; + + }, + + getInterpolation: function () { + + switch ( this.createInterpolant ) { + + case this.InterpolantFactoryMethodDiscrete: + + return InterpolateDiscrete; + + case this.InterpolantFactoryMethodLinear: + + return InterpolateLinear; + + case this.InterpolantFactoryMethodSmooth: + + return InterpolateSmooth; + + } + + }, + + getValueSize: function () { + + return this.values.length / this.times.length; + + }, + + // move all keyframes either forwards or backwards in time + shift: function ( timeOffset ) { + + if ( timeOffset !== 0.0 ) { + + var times = this.times; + + for ( var i = 0, n = times.length; i !== n; ++ i ) { + + times[ i ] += timeOffset; + + } + + } + + return this; + + }, + + // scale all keyframe times by a factor (useful for frame <-> seconds conversions) + scale: function ( timeScale ) { + + if ( timeScale !== 1.0 ) { + + var times = this.times; + + for ( var i = 0, n = times.length; i !== n; ++ i ) { + + times[ i ] *= timeScale; + + } + + } + + return this; + + }, + + // removes keyframes before and after animation without changing any values within the range [startTime, endTime]. + // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values + trim: function ( startTime, endTime ) { + + var times = this.times, + nKeys = times.length, + from = 0, + to = nKeys - 1; + + while ( from !== nKeys && times[ from ] < startTime ) { + + ++ from; + + } + + while ( to !== - 1 && times[ to ] > endTime ) { + + -- to; + + } + + ++ to; // inclusive -> exclusive bound + + if ( from !== 0 || to !== nKeys ) { + + // empty tracks are forbidden, so keep at least one keyframe + if ( from >= to ) { + + to = Math.max( to, 1 ); + from = to - 1; + + } + + var stride = this.getValueSize(); + this.times = AnimationUtils.arraySlice( times, from, to ); + this.values = AnimationUtils.arraySlice( this.values, from * stride, to * stride ); + + } + + return this; + + }, + + // ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable + validate: function () { + + var valid = true; + + var valueSize = this.getValueSize(); + if ( valueSize - Math.floor( valueSize ) !== 0 ) { + + console.error( 'THREE.KeyframeTrack: Invalid value size in track.', this ); + valid = false; + + } + + var times = this.times, + values = this.values, + + nKeys = times.length; + + if ( nKeys === 0 ) { + + console.error( 'THREE.KeyframeTrack: Track is empty.', this ); + valid = false; + + } + + var prevTime = null; + + for ( var i = 0; i !== nKeys; i ++ ) { + + var currTime = times[ i ]; + + if ( typeof currTime === 'number' && isNaN( currTime ) ) { + + console.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime ); + valid = false; + break; + + } + + if ( prevTime !== null && prevTime > currTime ) { + + console.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime ); + valid = false; + break; + + } + + prevTime = currTime; + + } + + if ( values !== undefined ) { + + if ( AnimationUtils.isTypedArray( values ) ) { + + for ( var i = 0, n = values.length; i !== n; ++ i ) { + + var value = values[ i ]; + + if ( isNaN( value ) ) { + + console.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value ); + valid = false; + break; + + } + + } + + } + + } + + return valid; + + }, + + // removes equivalent sequential keys as common in morph target sequences + // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0) + optimize: function () { + + // times or values may be shared with other tracks, so overwriting is unsafe + var times = AnimationUtils.arraySlice( this.times ), + values = AnimationUtils.arraySlice( this.values ), + stride = this.getValueSize(), + + smoothInterpolation = this.getInterpolation() === InterpolateSmooth, + + writeIndex = 1, + lastIndex = times.length - 1; + + for ( var i = 1; i < lastIndex; ++ i ) { + + var keep = false; + + var time = times[ i ]; + var timeNext = times[ i + 1 ]; + + // remove adjacent keyframes scheduled at the same time + + if ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) { + + if ( ! smoothInterpolation ) { + + // remove unnecessary keyframes same as their neighbors + + var offset = i * stride, + offsetP = offset - stride, + offsetN = offset + stride; + + for ( var j = 0; j !== stride; ++ j ) { + + var value = values[ offset + j ]; + + if ( value !== values[ offsetP + j ] || + value !== values[ offsetN + j ] ) { + + keep = true; + break; + + } + + } + + } else { + + keep = true; + + } + + } + + // in-place compaction + + if ( keep ) { + + if ( i !== writeIndex ) { + + times[ writeIndex ] = times[ i ]; + + var readOffset = i * stride, + writeOffset = writeIndex * stride; + + for ( var j = 0; j !== stride; ++ j ) { + + values[ writeOffset + j ] = values[ readOffset + j ]; + + } + + } + + ++ writeIndex; + + } + + } + + // flush last keyframe (compaction looks ahead) + + if ( lastIndex > 0 ) { + + times[ writeIndex ] = times[ lastIndex ]; + + for ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) { + + values[ writeOffset + j ] = values[ readOffset + j ]; + + } + + ++ writeIndex; + + } + + if ( writeIndex !== times.length ) { + + this.times = AnimationUtils.arraySlice( times, 0, writeIndex ); + this.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride ); + + } else { + + this.times = times; + this.values = values; + + } + + return this; + + }, + + clone: function () { + + var times = AnimationUtils.arraySlice( this.times, 0 ); + var values = AnimationUtils.arraySlice( this.values, 0 ); + + var TypedKeyframeTrack = this.constructor; + var track = new TypedKeyframeTrack( this.name, times, values ); + + // Interpolant argument to constructor is not saved, so copy the factory method directly. + track.createInterpolant = this.createInterpolant; + + return track; + + } + +} ); + +/** + * + * A Track of Boolean keyframe values. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + +function BooleanKeyframeTrack( name, times, values ) { + + KeyframeTrack.call( this, name, times, values ); + +} + +BooleanKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { + + constructor: BooleanKeyframeTrack, + + ValueTypeName: 'bool', + ValueBufferType: Array, + + DefaultInterpolation: InterpolateDiscrete, + + InterpolantFactoryMethodLinear: undefined, + InterpolantFactoryMethodSmooth: undefined + + // Note: Actually this track could have a optimized / compressed + // representation of a single value and a custom interpolant that + // computes "firstValue ^ isOdd( index )". + +} ); + +/** + * + * A Track of keyframe values that represent color. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + +function ColorKeyframeTrack( name, times, values, interpolation ) { + + KeyframeTrack.call( this, name, times, values, interpolation ); + +} + +ColorKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { + + constructor: ColorKeyframeTrack, + + ValueTypeName: 'color' + + // ValueBufferType is inherited + + // DefaultInterpolation is inherited + + // Note: Very basic implementation and nothing special yet. + // However, this is the place for color space parameterization. + +} ); + +/** + * + * A Track of numeric keyframe values. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + +function NumberKeyframeTrack( name, times, values, interpolation ) { + + KeyframeTrack.call( this, name, times, values, interpolation ); + +} + +NumberKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { + + constructor: NumberKeyframeTrack, + + ValueTypeName: 'number' + + // ValueBufferType is inherited + + // DefaultInterpolation is inherited + +} ); + +/** + * Spherical linear unit quaternion interpolant. + * + * @author tschw + */ + +function QuaternionLinearInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + +} + +QuaternionLinearInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), { + + constructor: QuaternionLinearInterpolant, + + interpolate_: function ( i1, t0, t, t1 ) { + + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + offset = i1 * stride, + + alpha = ( t - t0 ) / ( t1 - t0 ); + + for ( var end = offset + stride; offset !== end; offset += 4 ) { + + Quaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha ); + + } + + return result; + + } + +} ); + +/** + * + * A Track of quaternion keyframe values. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + +function QuaternionKeyframeTrack( name, times, values, interpolation ) { + + KeyframeTrack.call( this, name, times, values, interpolation ); + +} + +QuaternionKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { + + constructor: QuaternionKeyframeTrack, + + ValueTypeName: 'quaternion', + + // ValueBufferType is inherited + + DefaultInterpolation: InterpolateLinear, + + InterpolantFactoryMethodLinear: function ( result ) { + + return new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result ); + + }, + + InterpolantFactoryMethodSmooth: undefined // not yet implemented + +} ); + +/** + * + * A Track that interpolates Strings + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + +function StringKeyframeTrack( name, times, values, interpolation ) { + + KeyframeTrack.call( this, name, times, values, interpolation ); + +} + +StringKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { + + constructor: StringKeyframeTrack, + + ValueTypeName: 'string', + ValueBufferType: Array, + + DefaultInterpolation: InterpolateDiscrete, + + InterpolantFactoryMethodLinear: undefined, + + InterpolantFactoryMethodSmooth: undefined + +} ); + +/** + * + * A Track of vectored keyframe values. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + +function VectorKeyframeTrack( name, times, values, interpolation ) { + + KeyframeTrack.call( this, name, times, values, interpolation ); + +} + +VectorKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { + + constructor: VectorKeyframeTrack, + + ValueTypeName: 'vector' + + // ValueBufferType is inherited + + // DefaultInterpolation is inherited + +} ); + +/** + * + * Reusable set of Tracks that represent an animation. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + */ + +function AnimationClip( name, duration, tracks ) { + + this.name = name; + this.tracks = tracks; + this.duration = ( duration !== undefined ) ? duration : - 1; + + this.uuid = MathUtils.generateUUID(); + + // this means it should figure out its duration by scanning the tracks + if ( this.duration < 0 ) { + + this.resetDuration(); + + } + +} + +function getTrackTypeForValueTypeName( typeName ) { + + switch ( typeName.toLowerCase() ) { + + case 'scalar': + case 'double': + case 'float': + case 'number': + case 'integer': + + return NumberKeyframeTrack; + + case 'vector': + case 'vector2': + case 'vector3': + case 'vector4': + + return VectorKeyframeTrack; + + case 'color': + + return ColorKeyframeTrack; + + case 'quaternion': + + return QuaternionKeyframeTrack; + + case 'bool': + case 'boolean': + + return BooleanKeyframeTrack; + + case 'string': + + return StringKeyframeTrack; + + } + + throw new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName ); + +} + +function parseKeyframeTrack( json ) { + + if ( json.type === undefined ) { + + throw new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' ); + + } + + var trackType = getTrackTypeForValueTypeName( json.type ); + + if ( json.times === undefined ) { + + var times = [], values = []; + + AnimationUtils.flattenJSON( json.keys, times, values, 'value' ); + + json.times = times; + json.values = values; + + } + + // derived classes can define a static parse method + if ( trackType.parse !== undefined ) { + + return trackType.parse( json ); + + } else { + + // by default, we assume a constructor compatible with the base + return new trackType( json.name, json.times, json.values, json.interpolation ); + + } + +} + +Object.assign( AnimationClip, { + + parse: function ( json ) { + + var tracks = [], + jsonTracks = json.tracks, + frameTime = 1.0 / ( json.fps || 1.0 ); + + for ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) { + + tracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) ); + + } + + return new AnimationClip( json.name, json.duration, tracks ); + + }, + + toJSON: function ( clip ) { + + var tracks = [], + clipTracks = clip.tracks; + + var json = { + + 'name': clip.name, + 'duration': clip.duration, + 'tracks': tracks, + 'uuid': clip.uuid + + }; + + for ( var i = 0, n = clipTracks.length; i !== n; ++ i ) { + + tracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) ); + + } + + return json; + + }, + + CreateFromMorphTargetSequence: function ( name, morphTargetSequence, fps, noLoop ) { + + var numMorphTargets = morphTargetSequence.length; + var tracks = []; + + for ( var i = 0; i < numMorphTargets; i ++ ) { + + var times = []; + var values = []; + + times.push( + ( i + numMorphTargets - 1 ) % numMorphTargets, + i, + ( i + 1 ) % numMorphTargets ); + + values.push( 0, 1, 0 ); + + var order = AnimationUtils.getKeyframeOrder( times ); + times = AnimationUtils.sortedArray( times, 1, order ); + values = AnimationUtils.sortedArray( values, 1, order ); + + // if there is a key at the first frame, duplicate it as the + // last frame as well for perfect loop. + if ( ! noLoop && times[ 0 ] === 0 ) { + + times.push( numMorphTargets ); + values.push( values[ 0 ] ); + + } + + tracks.push( + new NumberKeyframeTrack( + '.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']', + times, values + ).scale( 1.0 / fps ) ); + + } + + return new AnimationClip( name, - 1, tracks ); + + }, + + findByName: function ( objectOrClipArray, name ) { + + var clipArray = objectOrClipArray; + + if ( ! Array.isArray( objectOrClipArray ) ) { + + var o = objectOrClipArray; + clipArray = o.geometry && o.geometry.animations || o.animations; + + } + + for ( var i = 0; i < clipArray.length; i ++ ) { + + if ( clipArray[ i ].name === name ) { + + return clipArray[ i ]; + + } + + } + + return null; + + }, + + CreateClipsFromMorphTargetSequences: function ( morphTargets, fps, noLoop ) { + + var animationToMorphTargets = {}; + + // tested with https://regex101.com/ on trick sequences + // such flamingo_flyA_003, flamingo_run1_003, crdeath0059 + var pattern = /^([\w-]*?)([\d]+)$/; + + // sort morph target names into animation groups based + // patterns like Walk_001, Walk_002, Run_001, Run_002 + for ( var i = 0, il = morphTargets.length; i < il; i ++ ) { + + var morphTarget = morphTargets[ i ]; + var parts = morphTarget.name.match( pattern ); + + if ( parts && parts.length > 1 ) { + + var name = parts[ 1 ]; + + var animationMorphTargets = animationToMorphTargets[ name ]; + if ( ! animationMorphTargets ) { + + animationToMorphTargets[ name ] = animationMorphTargets = []; + + } + + animationMorphTargets.push( morphTarget ); + + } + + } + + var clips = []; + + for ( var name in animationToMorphTargets ) { + + clips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) ); + + } + + return clips; + + }, + + // parse the animation.hierarchy format + parseAnimation: function ( animation, bones ) { + + if ( ! animation ) { + + console.error( 'THREE.AnimationClip: No animation in JSONLoader data.' ); + return null; + + } + + var addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) { + + // only return track if there are actually keys. + if ( animationKeys.length !== 0 ) { + + var times = []; + var values = []; + + AnimationUtils.flattenJSON( animationKeys, times, values, propertyName ); + + // empty keys are filtered out, so check again + if ( times.length !== 0 ) { + + destTracks.push( new trackType( trackName, times, values ) ); + + } + + } + + }; + + var tracks = []; + + var clipName = animation.name || 'default'; + // automatic length determination in AnimationClip. + var duration = animation.length || - 1; + var fps = animation.fps || 30; + + var hierarchyTracks = animation.hierarchy || []; + + for ( var h = 0; h < hierarchyTracks.length; h ++ ) { + + var animationKeys = hierarchyTracks[ h ].keys; + + // skip empty tracks + if ( ! animationKeys || animationKeys.length === 0 ) continue; + + // process morph targets + if ( animationKeys[ 0 ].morphTargets ) { + + // figure out all morph targets used in this track + var morphTargetNames = {}; + + for ( var k = 0; k < animationKeys.length; k ++ ) { + + if ( animationKeys[ k ].morphTargets ) { + + for ( var m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) { + + morphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1; + + } + + } + + } + + // create a track for each morph target with all zero + // morphTargetInfluences except for the keys in which + // the morphTarget is named. + for ( var morphTargetName in morphTargetNames ) { + + var times = []; + var values = []; + + for ( var m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) { + + var animationKey = animationKeys[ k ]; + + times.push( animationKey.time ); + values.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 ); + + } + + tracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) ); + + } + + duration = morphTargetNames.length * ( fps || 1.0 ); + + } else { + + // ...assume skeletal animation + + var boneName = '.bones[' + bones[ h ].name + ']'; + + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.position', + animationKeys, 'pos', tracks ); + + addNonemptyTrack( + QuaternionKeyframeTrack, boneName + '.quaternion', + animationKeys, 'rot', tracks ); + + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.scale', + animationKeys, 'scl', tracks ); + + } + + } + + if ( tracks.length === 0 ) { + + return null; + + } + + var clip = new AnimationClip( clipName, duration, tracks ); + + return clip; + + } + +} ); + +Object.assign( AnimationClip.prototype, { + + resetDuration: function () { + + var tracks = this.tracks, duration = 0; + + for ( var i = 0, n = tracks.length; i !== n; ++ i ) { + + var track = this.tracks[ i ]; + + duration = Math.max( duration, track.times[ track.times.length - 1 ] ); + + } + + this.duration = duration; + + return this; + + }, + + trim: function () { + + for ( var i = 0; i < this.tracks.length; i ++ ) { + + this.tracks[ i ].trim( 0, this.duration ); + + } + + return this; + + }, + + validate: function () { + + var valid = true; + + for ( var i = 0; i < this.tracks.length; i ++ ) { + + valid = valid && this.tracks[ i ].validate(); + + } + + return valid; + + }, + + optimize: function () { + + for ( var i = 0; i < this.tracks.length; i ++ ) { + + this.tracks[ i ].optimize(); + + } + + return this; + + }, + + clone: function () { + + var tracks = []; + + for ( var i = 0; i < this.tracks.length; i ++ ) { + + tracks.push( this.tracks[ i ].clone() ); + + } + + return new AnimationClip( this.name, this.duration, tracks ); + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var Cache = { + + enabled: false, + + files: {}, + + add: function ( key, file ) { + + if ( this.enabled === false ) return; + + // console.log( 'THREE.Cache', 'Adding key:', key ); + + this.files[ key ] = file; + + }, + + get: function ( key ) { + + if ( this.enabled === false ) return; + + // console.log( 'THREE.Cache', 'Checking key:', key ); + + return this.files[ key ]; + + }, + + remove: function ( key ) { + + delete this.files[ key ]; + + }, + + clear: function () { + + this.files = {}; + + } + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function LoadingManager( onLoad, onProgress, onError ) { + + var scope = this; + + var isLoading = false; + var itemsLoaded = 0; + var itemsTotal = 0; + var urlModifier = undefined; + var handlers = []; + + // Refer to #5689 for the reason why we don't set .onStart + // in the constructor + + this.onStart = undefined; + this.onLoad = onLoad; + this.onProgress = onProgress; + this.onError = onError; + + this.itemStart = function ( url ) { + + itemsTotal ++; + + if ( isLoading === false ) { + + if ( scope.onStart !== undefined ) { + + scope.onStart( url, itemsLoaded, itemsTotal ); + + } + + } + + isLoading = true; + + }; + + this.itemEnd = function ( url ) { + + itemsLoaded ++; + + if ( scope.onProgress !== undefined ) { + + scope.onProgress( url, itemsLoaded, itemsTotal ); + + } + + if ( itemsLoaded === itemsTotal ) { + + isLoading = false; + + if ( scope.onLoad !== undefined ) { + + scope.onLoad(); + + } + + } + + }; + + this.itemError = function ( url ) { + + if ( scope.onError !== undefined ) { + + scope.onError( url ); + + } + + }; + + this.resolveURL = function ( url ) { + + if ( urlModifier ) { + + return urlModifier( url ); + + } + + return url; + + }; + + this.setURLModifier = function ( transform ) { + + urlModifier = transform; + + return this; + + }; + + this.addHandler = function ( regex, loader ) { + + handlers.push( regex, loader ); + + return this; + + }; + + this.removeHandler = function ( regex ) { + + var index = handlers.indexOf( regex ); + + if ( index !== - 1 ) { + + handlers.splice( index, 2 ); + + } + + return this; + + }; + + this.getHandler = function ( file ) { + + for ( var i = 0, l = handlers.length; i < l; i += 2 ) { + + var regex = handlers[ i ]; + var loader = handlers[ i + 1 ]; + + if ( regex.global ) regex.lastIndex = 0; // see #17920 + + if ( regex.test( file ) ) { + + return loader; + + } + + } + + return null; + + }; + +} + +var DefaultLoadingManager = new LoadingManager(); + +/** + * @author alteredq / http://alteredqualia.com/ + */ + +function Loader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + this.crossOrigin = 'anonymous'; + this.path = ''; + this.resourcePath = ''; + +} + +Object.assign( Loader.prototype, { + + load: function ( /* url, onLoad, onProgress, onError */ ) {}, + + parse: function ( /* data */ ) {}, + + setCrossOrigin: function ( crossOrigin ) { + + this.crossOrigin = crossOrigin; + return this; + + }, + + setPath: function ( path ) { + + this.path = path; + return this; + + }, + + setResourcePath: function ( resourcePath ) { + + this.resourcePath = resourcePath; + return this; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var loading = {}; + +function FileLoader( manager ) { + + Loader.call( this, manager ); + +} + +FileLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: FileLoader, + + load: function ( url, onLoad, onProgress, onError ) { + + if ( url === undefined ) url = ''; + + if ( this.path !== undefined ) url = this.path + url; + + url = this.manager.resolveURL( url ); + + var scope = this; + + var cached = Cache.get( url ); + + if ( cached !== undefined ) { + + scope.manager.itemStart( url ); + + setTimeout( function () { + + if ( onLoad ) onLoad( cached ); + + scope.manager.itemEnd( url ); + + }, 0 ); + + return cached; + + } + + // Check if request is duplicate + + if ( loading[ url ] !== undefined ) { + + loading[ url ].push( { + + onLoad: onLoad, + onProgress: onProgress, + onError: onError + + } ); + + return; + + } + + // Check for data: URI + var dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/; + var dataUriRegexResult = url.match( dataUriRegex ); + + // Safari can not handle Data URIs through XMLHttpRequest so process manually + if ( dataUriRegexResult ) { + + var mimeType = dataUriRegexResult[ 1 ]; + var isBase64 = !! dataUriRegexResult[ 2 ]; + var data = dataUriRegexResult[ 3 ]; + + data = decodeURIComponent( data ); + + if ( isBase64 ) data = atob( data ); + + try { + + var response; + var responseType = ( this.responseType || '' ).toLowerCase(); + + switch ( responseType ) { + + case 'arraybuffer': + case 'blob': + + var view = new Uint8Array( data.length ); + + for ( var i = 0; i < data.length; i ++ ) { + + view[ i ] = data.charCodeAt( i ); + + } + + if ( responseType === 'blob' ) { + + response = new Blob( [ view.buffer ], { type: mimeType } ); + + } else { + + response = view.buffer; + + } + + break; + + case 'document': + + var parser = new DOMParser(); + response = parser.parseFromString( data, mimeType ); + + break; + + case 'json': + + response = JSON.parse( data ); + + break; + + default: // 'text' or other + + response = data; + + break; + + } + + // Wait for next browser tick like standard XMLHttpRequest event dispatching does + setTimeout( function () { + + if ( onLoad ) onLoad( response ); + + scope.manager.itemEnd( url ); + + }, 0 ); + + } catch ( error ) { + + // Wait for next browser tick like standard XMLHttpRequest event dispatching does + setTimeout( function () { + + if ( onError ) onError( error ); + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + }, 0 ); + + } + + } else { + + // Initialise array for duplicate requests + + loading[ url ] = []; + + loading[ url ].push( { + + onLoad: onLoad, + onProgress: onProgress, + onError: onError + + } ); + + var request = new XMLHttpRequest(); + + request.open( 'GET', url, true ); + + request.addEventListener( 'load', function ( event ) { + + var response = this.response; + + var callbacks = loading[ url ]; + + delete loading[ url ]; + + if ( this.status === 200 || this.status === 0 ) { + + // Some browsers return HTTP Status 0 when using non-http protocol + // e.g. 'file://' or 'data://'. Handle as success. + + if ( this.status === 0 ) console.warn( 'THREE.FileLoader: HTTP Status 0 received.' ); + + // Add to cache only on HTTP success, so that we do not cache + // error response bodies as proper responses to requests. + Cache.add( url, response ); + + for ( var i = 0, il = callbacks.length; i < il; i ++ ) { + + var callback = callbacks[ i ]; + if ( callback.onLoad ) callback.onLoad( response ); + + } + + scope.manager.itemEnd( url ); + + } else { + + for ( var i = 0, il = callbacks.length; i < il; i ++ ) { + + var callback = callbacks[ i ]; + if ( callback.onError ) callback.onError( event ); + + } + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + } + + }, false ); + + request.addEventListener( 'progress', function ( event ) { + + var callbacks = loading[ url ]; + + for ( var i = 0, il = callbacks.length; i < il; i ++ ) { + + var callback = callbacks[ i ]; + if ( callback.onProgress ) callback.onProgress( event ); + + } + + }, false ); + + request.addEventListener( 'error', function ( event ) { + + var callbacks = loading[ url ]; + + delete loading[ url ]; + + for ( var i = 0, il = callbacks.length; i < il; i ++ ) { + + var callback = callbacks[ i ]; + if ( callback.onError ) callback.onError( event ); + + } + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + }, false ); + + request.addEventListener( 'abort', function ( event ) { + + var callbacks = loading[ url ]; + + delete loading[ url ]; + + for ( var i = 0, il = callbacks.length; i < il; i ++ ) { + + var callback = callbacks[ i ]; + if ( callback.onError ) callback.onError( event ); + + } + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + }, false ); + + if ( this.responseType !== undefined ) request.responseType = this.responseType; + if ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials; + + if ( request.overrideMimeType ) request.overrideMimeType( this.mimeType !== undefined ? this.mimeType : 'text/plain' ); + + for ( var header in this.requestHeader ) { + + request.setRequestHeader( header, this.requestHeader[ header ] ); + + } + + request.send( null ); + + } + + scope.manager.itemStart( url ); + + return request; + + }, + + setResponseType: function ( value ) { + + this.responseType = value; + return this; + + }, + + setWithCredentials: function ( value ) { + + this.withCredentials = value; + return this; + + }, + + setMimeType: function ( value ) { + + this.mimeType = value; + return this; + + }, + + setRequestHeader: function ( value ) { + + this.requestHeader = value; + return this; + + } + +} ); + +/** + * @author bhouston / http://clara.io/ + */ + +function AnimationLoader( manager ) { + + Loader.call( this, manager ); + +} + +AnimationLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: AnimationLoader, + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.load( url, function ( text ) { + + onLoad( scope.parse( JSON.parse( text ) ) ); + + }, onProgress, onError ); + + }, + + parse: function ( json ) { + + var animations = []; + + for ( var i = 0; i < json.length; i ++ ) { + + var clip = AnimationClip.parse( json[ i ] ); + + animations.push( clip ); + + } + + return animations; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * + * Abstract Base class to block based textures loader (dds, pvr, ...) + * + * Sub classes have to implement the parse() method which will be used in load(). + */ + +function CompressedTextureLoader( manager ) { + + Loader.call( this, manager ); + +} + +CompressedTextureLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: CompressedTextureLoader, + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var images = []; + + var texture = new CompressedTexture(); + texture.image = images; + + var loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); + + function loadTexture( i ) { + + loader.load( url[ i ], function ( buffer ) { + + var texDatas = scope.parse( buffer, true ); + + images[ i ] = { + width: texDatas.width, + height: texDatas.height, + format: texDatas.format, + mipmaps: texDatas.mipmaps + }; + + loaded += 1; + + if ( loaded === 6 ) { + + if ( texDatas.mipmapCount === 1 ) + texture.minFilter = LinearFilter; + + texture.format = texDatas.format; + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + } + + }, onProgress, onError ); + + } + + if ( Array.isArray( url ) ) { + + var loaded = 0; + + for ( var i = 0, il = url.length; i < il; ++ i ) { + + loadTexture( i ); + + } + + } else { + + // compressed cubemap texture stored in a single DDS file + + loader.load( url, function ( buffer ) { + + var texDatas = scope.parse( buffer, true ); + + if ( texDatas.isCubemap ) { + + var faces = texDatas.mipmaps.length / texDatas.mipmapCount; + + for ( var f = 0; f < faces; f ++ ) { + + images[ f ] = { mipmaps: [] }; + + for ( var i = 0; i < texDatas.mipmapCount; i ++ ) { + + images[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] ); + images[ f ].format = texDatas.format; + images[ f ].width = texDatas.width; + images[ f ].height = texDatas.height; + + } + + } + + } else { + + texture.image.width = texDatas.width; + texture.image.height = texDatas.height; + texture.mipmaps = texDatas.mipmaps; + + } + + if ( texDatas.mipmapCount === 1 ) { + + texture.minFilter = LinearFilter; + + } + + texture.format = texDatas.format; + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + }, onProgress, onError ); + + } + + return texture; + + } + +} ); + +/** + * @author Nikos M. / https://github.com/foo123/ + * + * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...) + * + * Sub classes have to implement the parse() method which will be used in load(). + */ + +function DataTextureLoader( manager ) { + + Loader.call( this, manager ); + +} + +DataTextureLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: DataTextureLoader, + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var texture = new DataTexture(); + + var loader = new FileLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + loader.setPath( this.path ); + loader.load( url, function ( buffer ) { + + var texData = scope.parse( buffer ); + + if ( ! texData ) return; + + if ( texData.image !== undefined ) { + + texture.image = texData.image; + + } else if ( texData.data !== undefined ) { + + texture.image.width = texData.width; + texture.image.height = texData.height; + texture.image.data = texData.data; + + } + + texture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping; + texture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping; + + texture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter; + texture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter; + + texture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1; + + if ( texData.format !== undefined ) { + + texture.format = texData.format; + + } + if ( texData.type !== undefined ) { + + texture.type = texData.type; + + } + + if ( texData.mipmaps !== undefined ) { + + texture.mipmaps = texData.mipmaps; + texture.minFilter = LinearMipmapLinearFilter; // presumably... + + } + + if ( texData.mipmapCount === 1 ) { + + texture.minFilter = LinearFilter; + + } + + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture, texData ); + + }, onProgress, onError ); + + + return texture; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function ImageLoader( manager ) { + + Loader.call( this, manager ); + +} + +ImageLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: ImageLoader, + + load: function ( url, onLoad, onProgress, onError ) { + + if ( this.path !== undefined ) url = this.path + url; + + url = this.manager.resolveURL( url ); + + var scope = this; + + var cached = Cache.get( url ); + + if ( cached !== undefined ) { + + scope.manager.itemStart( url ); + + setTimeout( function () { + + if ( onLoad ) onLoad( cached ); + + scope.manager.itemEnd( url ); + + }, 0 ); + + return cached; + + } + + var image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' ); + + function onImageLoad() { + + image.removeEventListener( 'load', onImageLoad, false ); + image.removeEventListener( 'error', onImageError, false ); + + Cache.add( url, this ); + + if ( onLoad ) onLoad( this ); + + scope.manager.itemEnd( url ); + + } + + function onImageError( event ) { + + image.removeEventListener( 'load', onImageLoad, false ); + image.removeEventListener( 'error', onImageError, false ); + + if ( onError ) onError( event ); + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + } + + image.addEventListener( 'load', onImageLoad, false ); + image.addEventListener( 'error', onImageError, false ); + + if ( url.substr( 0, 5 ) !== 'data:' ) { + + if ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin; + + } + + scope.manager.itemStart( url ); + + image.src = url; + + return image; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + + +function CubeTextureLoader( manager ) { + + Loader.call( this, manager ); + +} + +CubeTextureLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: CubeTextureLoader, + + load: function ( urls, onLoad, onProgress, onError ) { + + var texture = new CubeTexture(); + + var loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setPath( this.path ); + + var loaded = 0; + + function loadTexture( i ) { + + loader.load( urls[ i ], function ( image ) { + + texture.images[ i ] = image; + + loaded ++; + + if ( loaded === 6 ) { + + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + } + + }, undefined, onError ); + + } + + for ( var i = 0; i < urls.length; ++ i ) { + + loadTexture( i ); + + } + + return texture; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function TextureLoader( manager ) { + + Loader.call( this, manager ); + +} + +TextureLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: TextureLoader, + + load: function ( url, onLoad, onProgress, onError ) { + + var texture = new Texture(); + + var loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setPath( this.path ); + + loader.load( url, function ( image ) { + + texture.image = image; + + // JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB. + var isJPEG = url.search( /\.jpe?g($|\?)/i ) > 0 || url.search( /^data\:image\/jpeg/ ) === 0; + + texture.format = isJPEG ? RGBFormat : RGBAFormat; + texture.needsUpdate = true; + + if ( onLoad !== undefined ) { + + onLoad( texture ); + + } + + }, onProgress, onError ); + + return texture; + + } + +} ); + +/** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Extensible curve object + * + * Some common of curve methods: + * .getPoint( t, optionalTarget ), .getTangent( t ) + * .getPointAt( u, optionalTarget ), .getTangentAt( u ) + * .getPoints(), .getSpacedPoints() + * .getLength() + * .updateArcLengths() + * + * This following curves inherit from THREE.Curve: + * + * -- 2D curves -- + * THREE.ArcCurve + * THREE.CubicBezierCurve + * THREE.EllipseCurve + * THREE.LineCurve + * THREE.QuadraticBezierCurve + * THREE.SplineCurve + * + * -- 3D curves -- + * THREE.CatmullRomCurve3 + * THREE.CubicBezierCurve3 + * THREE.LineCurve3 + * THREE.QuadraticBezierCurve3 + * + * A series of curves can be represented as a THREE.CurvePath. + * + **/ + +/************************************************************** + * Abstract Curve base class + **************************************************************/ + +function Curve() { + + this.type = 'Curve'; + + this.arcLengthDivisions = 200; + +} + +Object.assign( Curve.prototype, { + + // Virtual base class method to overwrite and implement in subclasses + // - t [0 .. 1] + + getPoint: function ( /* t, optionalTarget */ ) { + + console.warn( 'THREE.Curve: .getPoint() not implemented.' ); + return null; + + }, + + // Get point at relative position in curve according to arc length + // - u [0 .. 1] + + getPointAt: function ( u, optionalTarget ) { + + var t = this.getUtoTmapping( u ); + return this.getPoint( t, optionalTarget ); + + }, + + // Get sequence of points using getPoint( t ) + + getPoints: function ( divisions ) { + + if ( divisions === undefined ) divisions = 5; + + var points = []; + + for ( var d = 0; d <= divisions; d ++ ) { + + points.push( this.getPoint( d / divisions ) ); + + } + + return points; + + }, + + // Get sequence of points using getPointAt( u ) + + getSpacedPoints: function ( divisions ) { + + if ( divisions === undefined ) divisions = 5; + + var points = []; + + for ( var d = 0; d <= divisions; d ++ ) { + + points.push( this.getPointAt( d / divisions ) ); + + } + + return points; + + }, + + // Get total curve arc length + + getLength: function () { + + var lengths = this.getLengths(); + return lengths[ lengths.length - 1 ]; + + }, + + // Get list of cumulative segment lengths + + getLengths: function ( divisions ) { + + if ( divisions === undefined ) divisions = this.arcLengthDivisions; + + if ( this.cacheArcLengths && + ( this.cacheArcLengths.length === divisions + 1 ) && + ! this.needsUpdate ) { + + return this.cacheArcLengths; + + } + + this.needsUpdate = false; + + var cache = []; + var current, last = this.getPoint( 0 ); + var p, sum = 0; + + cache.push( 0 ); + + for ( p = 1; p <= divisions; p ++ ) { + + current = this.getPoint( p / divisions ); + sum += current.distanceTo( last ); + cache.push( sum ); + last = current; + + } + + this.cacheArcLengths = cache; + + return cache; // { sums: cache, sum: sum }; Sum is in the last element. + + }, + + updateArcLengths: function () { + + this.needsUpdate = true; + this.getLengths(); + + }, + + // Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant + + getUtoTmapping: function ( u, distance ) { + + var arcLengths = this.getLengths(); + + var i = 0, il = arcLengths.length; + + var targetArcLength; // The targeted u distance value to get + + if ( distance ) { + + targetArcLength = distance; + + } else { + + targetArcLength = u * arcLengths[ il - 1 ]; + + } + + // binary search for the index with largest value smaller than target u distance + + var low = 0, high = il - 1, comparison; + + while ( low <= high ) { + + i = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats + + comparison = arcLengths[ i ] - targetArcLength; + + if ( comparison < 0 ) { + + low = i + 1; + + } else if ( comparison > 0 ) { + + high = i - 1; + + } else { + + high = i; + break; + + // DONE + + } + + } + + i = high; + + if ( arcLengths[ i ] === targetArcLength ) { + + return i / ( il - 1 ); + + } + + // we could get finer grain at lengths, or use simple interpolation between two points + + var lengthBefore = arcLengths[ i ]; + var lengthAfter = arcLengths[ i + 1 ]; + + var segmentLength = lengthAfter - lengthBefore; + + // determine where we are between the 'before' and 'after' points + + var segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength; + + // add that fractional amount to t + + var t = ( i + segmentFraction ) / ( il - 1 ); + + return t; + + }, + + // Returns a unit vector tangent at t + // In case any sub curve does not implement its tangent derivation, + // 2 points a small delta apart will be used to find its gradient + // which seems to give a reasonable approximation + + getTangent: function ( t ) { + + var delta = 0.0001; + var t1 = t - delta; + var t2 = t + delta; + + // Capping in case of danger + + if ( t1 < 0 ) t1 = 0; + if ( t2 > 1 ) t2 = 1; + + var pt1 = this.getPoint( t1 ); + var pt2 = this.getPoint( t2 ); + + var vec = pt2.clone().sub( pt1 ); + return vec.normalize(); + + }, + + getTangentAt: function ( u ) { + + var t = this.getUtoTmapping( u ); + return this.getTangent( t ); + + }, + + computeFrenetFrames: function ( segments, closed ) { + + // see http://www.cs.indiana.edu/pub/techreports/TR425.pdf + + var normal = new Vector3(); + + var tangents = []; + var normals = []; + var binormals = []; + + var vec = new Vector3(); + var mat = new Matrix4(); + + var i, u, theta; + + // compute the tangent vectors for each segment on the curve + + for ( i = 0; i <= segments; i ++ ) { + + u = i / segments; + + tangents[ i ] = this.getTangentAt( u ); + tangents[ i ].normalize(); + + } + + // select an initial normal vector perpendicular to the first tangent vector, + // and in the direction of the minimum tangent xyz component + + normals[ 0 ] = new Vector3(); + binormals[ 0 ] = new Vector3(); + var min = Number.MAX_VALUE; + var tx = Math.abs( tangents[ 0 ].x ); + var ty = Math.abs( tangents[ 0 ].y ); + var tz = Math.abs( tangents[ 0 ].z ); + + if ( tx <= min ) { + + min = tx; + normal.set( 1, 0, 0 ); + + } + + if ( ty <= min ) { + + min = ty; + normal.set( 0, 1, 0 ); + + } + + if ( tz <= min ) { + + normal.set( 0, 0, 1 ); + + } + + vec.crossVectors( tangents[ 0 ], normal ).normalize(); + + normals[ 0 ].crossVectors( tangents[ 0 ], vec ); + binormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] ); + + + // compute the slowly-varying normal and binormal vectors for each segment on the curve + + for ( i = 1; i <= segments; i ++ ) { + + normals[ i ] = normals[ i - 1 ].clone(); + + binormals[ i ] = binormals[ i - 1 ].clone(); + + vec.crossVectors( tangents[ i - 1 ], tangents[ i ] ); + + if ( vec.length() > Number.EPSILON ) { + + vec.normalize(); + + theta = Math.acos( MathUtils.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors + + normals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) ); + + } + + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + + } + + // if the curve is closed, postprocess the vectors so the first and last normal vectors are the same + + if ( closed === true ) { + + theta = Math.acos( MathUtils.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) ); + theta /= segments; + + if ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) { + + theta = - theta; + + } + + for ( i = 1; i <= segments; i ++ ) { + + // twist a little... + normals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) ); + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + + } + + } + + return { + tangents: tangents, + normals: normals, + binormals: binormals + }; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( source ) { + + this.arcLengthDivisions = source.arcLengthDivisions; + + return this; + + }, + + toJSON: function () { + + var data = { + metadata: { + version: 4.5, + type: 'Curve', + generator: 'Curve.toJSON' + } + }; + + data.arcLengthDivisions = this.arcLengthDivisions; + data.type = this.type; + + return data; + + }, + + fromJSON: function ( json ) { + + this.arcLengthDivisions = json.arcLengthDivisions; + + return this; + + } + +} ); + +function EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + + Curve.call( this ); + + this.type = 'EllipseCurve'; + + this.aX = aX || 0; + this.aY = aY || 0; + + this.xRadius = xRadius || 1; + this.yRadius = yRadius || 1; + + this.aStartAngle = aStartAngle || 0; + this.aEndAngle = aEndAngle || 2 * Math.PI; + + this.aClockwise = aClockwise || false; + + this.aRotation = aRotation || 0; + +} + +EllipseCurve.prototype = Object.create( Curve.prototype ); +EllipseCurve.prototype.constructor = EllipseCurve; + +EllipseCurve.prototype.isEllipseCurve = true; + +EllipseCurve.prototype.getPoint = function ( t, optionalTarget ) { + + var point = optionalTarget || new Vector2(); + + var twoPi = Math.PI * 2; + var deltaAngle = this.aEndAngle - this.aStartAngle; + var samePoints = Math.abs( deltaAngle ) < Number.EPSILON; + + // ensures that deltaAngle is 0 .. 2 PI + while ( deltaAngle < 0 ) deltaAngle += twoPi; + while ( deltaAngle > twoPi ) deltaAngle -= twoPi; + + if ( deltaAngle < Number.EPSILON ) { + + if ( samePoints ) { + + deltaAngle = 0; + + } else { + + deltaAngle = twoPi; + + } + + } + + if ( this.aClockwise === true && ! samePoints ) { + + if ( deltaAngle === twoPi ) { + + deltaAngle = - twoPi; + + } else { + + deltaAngle = deltaAngle - twoPi; + + } + + } + + var angle = this.aStartAngle + t * deltaAngle; + var x = this.aX + this.xRadius * Math.cos( angle ); + var y = this.aY + this.yRadius * Math.sin( angle ); + + if ( this.aRotation !== 0 ) { + + var cos = Math.cos( this.aRotation ); + var sin = Math.sin( this.aRotation ); + + var tx = x - this.aX; + var ty = y - this.aY; + + // Rotate the point about the center of the ellipse. + x = tx * cos - ty * sin + this.aX; + y = tx * sin + ty * cos + this.aY; + + } + + return point.set( x, y ); + +}; + +EllipseCurve.prototype.copy = function ( source ) { + + Curve.prototype.copy.call( this, source ); + + this.aX = source.aX; + this.aY = source.aY; + + this.xRadius = source.xRadius; + this.yRadius = source.yRadius; + + this.aStartAngle = source.aStartAngle; + this.aEndAngle = source.aEndAngle; + + this.aClockwise = source.aClockwise; + + this.aRotation = source.aRotation; + + return this; + +}; + + +EllipseCurve.prototype.toJSON = function () { + + var data = Curve.prototype.toJSON.call( this ); + + data.aX = this.aX; + data.aY = this.aY; + + data.xRadius = this.xRadius; + data.yRadius = this.yRadius; + + data.aStartAngle = this.aStartAngle; + data.aEndAngle = this.aEndAngle; + + data.aClockwise = this.aClockwise; + + data.aRotation = this.aRotation; + + return data; + +}; + +EllipseCurve.prototype.fromJSON = function ( json ) { + + Curve.prototype.fromJSON.call( this, json ); + + this.aX = json.aX; + this.aY = json.aY; + + this.xRadius = json.xRadius; + this.yRadius = json.yRadius; + + this.aStartAngle = json.aStartAngle; + this.aEndAngle = json.aEndAngle; + + this.aClockwise = json.aClockwise; + + this.aRotation = json.aRotation; + + return this; + +}; + +function ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + EllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + + this.type = 'ArcCurve'; + +} + +ArcCurve.prototype = Object.create( EllipseCurve.prototype ); +ArcCurve.prototype.constructor = ArcCurve; + +ArcCurve.prototype.isArcCurve = true; + +/** + * @author zz85 https://github.com/zz85 + * + * Centripetal CatmullRom Curve - which is useful for avoiding + * cusps and self-intersections in non-uniform catmull rom curves. + * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf + * + * curve.type accepts centripetal(default), chordal and catmullrom + * curve.tension is used for catmullrom which defaults to 0.5 + */ + + +/* +Based on an optimized c++ solution in + - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/ + - http://ideone.com/NoEbVM + +This CubicPoly class could be used for reusing some variables and calculations, +but for three.js curve use, it could be possible inlined and flatten into a single function call +which can be placed in CurveUtils. +*/ + +function CubicPoly() { + + var c0 = 0, c1 = 0, c2 = 0, c3 = 0; + + /* + * Compute coefficients for a cubic polynomial + * p(s) = c0 + c1*s + c2*s^2 + c3*s^3 + * such that + * p(0) = x0, p(1) = x1 + * and + * p'(0) = t0, p'(1) = t1. + */ + function init( x0, x1, t0, t1 ) { + + c0 = x0; + c1 = t0; + c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1; + c3 = 2 * x0 - 2 * x1 + t0 + t1; + + } + + return { + + initCatmullRom: function ( x0, x1, x2, x3, tension ) { + + init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) ); + + }, + + initNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) { + + // compute tangents when parameterized in [t1,t2] + var t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1; + var t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2; + + // rescale tangents for parametrization in [0,1] + t1 *= dt1; + t2 *= dt1; + + init( x1, x2, t1, t2 ); + + }, + + calc: function ( t ) { + + var t2 = t * t; + var t3 = t2 * t; + return c0 + c1 * t + c2 * t2 + c3 * t3; + + } + + }; + +} + +// + +var tmp = new Vector3(); +var px = new CubicPoly(), py = new CubicPoly(), pz = new CubicPoly(); + +function CatmullRomCurve3( points, closed, curveType, tension ) { + + Curve.call( this ); + + this.type = 'CatmullRomCurve3'; + + this.points = points || []; + this.closed = closed || false; + this.curveType = curveType || 'centripetal'; + this.tension = tension || 0.5; + +} + +CatmullRomCurve3.prototype = Object.create( Curve.prototype ); +CatmullRomCurve3.prototype.constructor = CatmullRomCurve3; + +CatmullRomCurve3.prototype.isCatmullRomCurve3 = true; + +CatmullRomCurve3.prototype.getPoint = function ( t, optionalTarget ) { + + var point = optionalTarget || new Vector3(); + + var points = this.points; + var l = points.length; + + var p = ( l - ( this.closed ? 0 : 1 ) ) * t; + var intPoint = Math.floor( p ); + var weight = p - intPoint; + + if ( this.closed ) { + + intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l; + + } else if ( weight === 0 && intPoint === l - 1 ) { + + intPoint = l - 2; + weight = 1; + + } + + var p0, p1, p2, p3; // 4 points + + if ( this.closed || intPoint > 0 ) { + + p0 = points[ ( intPoint - 1 ) % l ]; + + } else { + + // extrapolate first point + tmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] ); + p0 = tmp; + + } + + p1 = points[ intPoint % l ]; + p2 = points[ ( intPoint + 1 ) % l ]; + + if ( this.closed || intPoint + 2 < l ) { + + p3 = points[ ( intPoint + 2 ) % l ]; + + } else { + + // extrapolate last point + tmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] ); + p3 = tmp; + + } + + if ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) { + + // init Centripetal / Chordal Catmull-Rom + var pow = this.curveType === 'chordal' ? 0.5 : 0.25; + var dt0 = Math.pow( p0.distanceToSquared( p1 ), pow ); + var dt1 = Math.pow( p1.distanceToSquared( p2 ), pow ); + var dt2 = Math.pow( p2.distanceToSquared( p3 ), pow ); + + // safety check for repeated points + if ( dt1 < 1e-4 ) dt1 = 1.0; + if ( dt0 < 1e-4 ) dt0 = dt1; + if ( dt2 < 1e-4 ) dt2 = dt1; + + px.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 ); + py.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 ); + pz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 ); + + } else if ( this.curveType === 'catmullrom' ) { + + px.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension ); + py.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension ); + pz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension ); + + } + + point.set( + px.calc( weight ), + py.calc( weight ), + pz.calc( weight ) + ); + + return point; + +}; + +CatmullRomCurve3.prototype.copy = function ( source ) { + + Curve.prototype.copy.call( this, source ); + + this.points = []; + + for ( var i = 0, l = source.points.length; i < l; i ++ ) { + + var point = source.points[ i ]; + + this.points.push( point.clone() ); + + } + + this.closed = source.closed; + this.curveType = source.curveType; + this.tension = source.tension; + + return this; + +}; + +CatmullRomCurve3.prototype.toJSON = function () { + + var data = Curve.prototype.toJSON.call( this ); + + data.points = []; + + for ( var i = 0, l = this.points.length; i < l; i ++ ) { + + var point = this.points[ i ]; + data.points.push( point.toArray() ); + + } + + data.closed = this.closed; + data.curveType = this.curveType; + data.tension = this.tension; + + return data; + +}; + +CatmullRomCurve3.prototype.fromJSON = function ( json ) { + + Curve.prototype.fromJSON.call( this, json ); + + this.points = []; + + for ( var i = 0, l = json.points.length; i < l; i ++ ) { + + var point = json.points[ i ]; + this.points.push( new Vector3().fromArray( point ) ); + + } + + this.closed = json.closed; + this.curveType = json.curveType; + this.tension = json.tension; + + return this; + +}; + +/** + * @author zz85 / http://www.lab4games.net/zz85/blog + * + * Bezier Curves formulas obtained from + * http://en.wikipedia.org/wiki/Bézier_curve + */ + +function CatmullRom( t, p0, p1, p2, p3 ) { + + var v0 = ( p2 - p0 ) * 0.5; + var v1 = ( p3 - p1 ) * 0.5; + var t2 = t * t; + var t3 = t * t2; + return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1; + +} + +// + +function QuadraticBezierP0( t, p ) { + + var k = 1 - t; + return k * k * p; + +} + +function QuadraticBezierP1( t, p ) { + + return 2 * ( 1 - t ) * t * p; + +} + +function QuadraticBezierP2( t, p ) { + + return t * t * p; + +} + +function QuadraticBezier( t, p0, p1, p2 ) { + + return QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) + + QuadraticBezierP2( t, p2 ); + +} + +// + +function CubicBezierP0( t, p ) { + + var k = 1 - t; + return k * k * k * p; + +} + +function CubicBezierP1( t, p ) { + + var k = 1 - t; + return 3 * k * k * t * p; + +} + +function CubicBezierP2( t, p ) { + + return 3 * ( 1 - t ) * t * t * p; + +} + +function CubicBezierP3( t, p ) { + + return t * t * t * p; + +} + +function CubicBezier( t, p0, p1, p2, p3 ) { + + return CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) + + CubicBezierP3( t, p3 ); + +} + +function CubicBezierCurve( v0, v1, v2, v3 ) { + + Curve.call( this ); + + this.type = 'CubicBezierCurve'; + + this.v0 = v0 || new Vector2(); + this.v1 = v1 || new Vector2(); + this.v2 = v2 || new Vector2(); + this.v3 = v3 || new Vector2(); + +} + +CubicBezierCurve.prototype = Object.create( Curve.prototype ); +CubicBezierCurve.prototype.constructor = CubicBezierCurve; + +CubicBezierCurve.prototype.isCubicBezierCurve = true; + +CubicBezierCurve.prototype.getPoint = function ( t, optionalTarget ) { + + var point = optionalTarget || new Vector2(); + + var v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; + + point.set( + CubicBezier( t, v0.x, v1.x, v2.x, v3.x ), + CubicBezier( t, v0.y, v1.y, v2.y, v3.y ) + ); + + return point; + +}; + +CubicBezierCurve.prototype.copy = function ( source ) { + + Curve.prototype.copy.call( this, source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + this.v3.copy( source.v3 ); + + return this; + +}; + +CubicBezierCurve.prototype.toJSON = function () { + + var data = Curve.prototype.toJSON.call( this ); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + + return data; + +}; + +CubicBezierCurve.prototype.fromJSON = function ( json ) { + + Curve.prototype.fromJSON.call( this, json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + this.v3.fromArray( json.v3 ); + + return this; + +}; + +function CubicBezierCurve3( v0, v1, v2, v3 ) { + + Curve.call( this ); + + this.type = 'CubicBezierCurve3'; + + this.v0 = v0 || new Vector3(); + this.v1 = v1 || new Vector3(); + this.v2 = v2 || new Vector3(); + this.v3 = v3 || new Vector3(); + +} + +CubicBezierCurve3.prototype = Object.create( Curve.prototype ); +CubicBezierCurve3.prototype.constructor = CubicBezierCurve3; + +CubicBezierCurve3.prototype.isCubicBezierCurve3 = true; + +CubicBezierCurve3.prototype.getPoint = function ( t, optionalTarget ) { + + var point = optionalTarget || new Vector3(); + + var v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; + + point.set( + CubicBezier( t, v0.x, v1.x, v2.x, v3.x ), + CubicBezier( t, v0.y, v1.y, v2.y, v3.y ), + CubicBezier( t, v0.z, v1.z, v2.z, v3.z ) + ); + + return point; + +}; + +CubicBezierCurve3.prototype.copy = function ( source ) { + + Curve.prototype.copy.call( this, source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + this.v3.copy( source.v3 ); + + return this; + +}; + +CubicBezierCurve3.prototype.toJSON = function () { + + var data = Curve.prototype.toJSON.call( this ); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + + return data; + +}; + +CubicBezierCurve3.prototype.fromJSON = function ( json ) { + + Curve.prototype.fromJSON.call( this, json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + this.v3.fromArray( json.v3 ); + + return this; + +}; + +function LineCurve( v1, v2 ) { + + Curve.call( this ); + + this.type = 'LineCurve'; + + this.v1 = v1 || new Vector2(); + this.v2 = v2 || new Vector2(); + +} + +LineCurve.prototype = Object.create( Curve.prototype ); +LineCurve.prototype.constructor = LineCurve; + +LineCurve.prototype.isLineCurve = true; + +LineCurve.prototype.getPoint = function ( t, optionalTarget ) { + + var point = optionalTarget || new Vector2(); + + if ( t === 1 ) { + + point.copy( this.v2 ); + + } else { + + point.copy( this.v2 ).sub( this.v1 ); + point.multiplyScalar( t ).add( this.v1 ); + + } + + return point; + +}; + +// Line curve is linear, so we can overwrite default getPointAt + +LineCurve.prototype.getPointAt = function ( u, optionalTarget ) { + + return this.getPoint( u, optionalTarget ); + +}; + +LineCurve.prototype.getTangent = function ( /* t */ ) { + + var tangent = this.v2.clone().sub( this.v1 ); + + return tangent.normalize(); + +}; + +LineCurve.prototype.copy = function ( source ) { + + Curve.prototype.copy.call( this, source ); + + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + +}; + +LineCurve.prototype.toJSON = function () { + + var data = Curve.prototype.toJSON.call( this ); + + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + +}; + +LineCurve.prototype.fromJSON = function ( json ) { + + Curve.prototype.fromJSON.call( this, json ); + + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + +}; + +function LineCurve3( v1, v2 ) { + + Curve.call( this ); + + this.type = 'LineCurve3'; + + this.v1 = v1 || new Vector3(); + this.v2 = v2 || new Vector3(); + +} + +LineCurve3.prototype = Object.create( Curve.prototype ); +LineCurve3.prototype.constructor = LineCurve3; + +LineCurve3.prototype.isLineCurve3 = true; + +LineCurve3.prototype.getPoint = function ( t, optionalTarget ) { + + var point = optionalTarget || new Vector3(); + + if ( t === 1 ) { + + point.copy( this.v2 ); + + } else { + + point.copy( this.v2 ).sub( this.v1 ); + point.multiplyScalar( t ).add( this.v1 ); + + } + + return point; + +}; + +// Line curve is linear, so we can overwrite default getPointAt + +LineCurve3.prototype.getPointAt = function ( u, optionalTarget ) { + + return this.getPoint( u, optionalTarget ); + +}; + +LineCurve3.prototype.copy = function ( source ) { + + Curve.prototype.copy.call( this, source ); + + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + +}; + +LineCurve3.prototype.toJSON = function () { + + var data = Curve.prototype.toJSON.call( this ); + + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + +}; + +LineCurve3.prototype.fromJSON = function ( json ) { + + Curve.prototype.fromJSON.call( this, json ); + + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + +}; + +function QuadraticBezierCurve( v0, v1, v2 ) { + + Curve.call( this ); + + this.type = 'QuadraticBezierCurve'; + + this.v0 = v0 || new Vector2(); + this.v1 = v1 || new Vector2(); + this.v2 = v2 || new Vector2(); + +} + +QuadraticBezierCurve.prototype = Object.create( Curve.prototype ); +QuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve; + +QuadraticBezierCurve.prototype.isQuadraticBezierCurve = true; + +QuadraticBezierCurve.prototype.getPoint = function ( t, optionalTarget ) { + + var point = optionalTarget || new Vector2(); + + var v0 = this.v0, v1 = this.v1, v2 = this.v2; + + point.set( + QuadraticBezier( t, v0.x, v1.x, v2.x ), + QuadraticBezier( t, v0.y, v1.y, v2.y ) + ); + + return point; + +}; + +QuadraticBezierCurve.prototype.copy = function ( source ) { + + Curve.prototype.copy.call( this, source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + +}; + +QuadraticBezierCurve.prototype.toJSON = function () { + + var data = Curve.prototype.toJSON.call( this ); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + +}; + +QuadraticBezierCurve.prototype.fromJSON = function ( json ) { + + Curve.prototype.fromJSON.call( this, json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + +}; + +function QuadraticBezierCurve3( v0, v1, v2 ) { + + Curve.call( this ); + + this.type = 'QuadraticBezierCurve3'; + + this.v0 = v0 || new Vector3(); + this.v1 = v1 || new Vector3(); + this.v2 = v2 || new Vector3(); + +} + +QuadraticBezierCurve3.prototype = Object.create( Curve.prototype ); +QuadraticBezierCurve3.prototype.constructor = QuadraticBezierCurve3; + +QuadraticBezierCurve3.prototype.isQuadraticBezierCurve3 = true; + +QuadraticBezierCurve3.prototype.getPoint = function ( t, optionalTarget ) { + + var point = optionalTarget || new Vector3(); + + var v0 = this.v0, v1 = this.v1, v2 = this.v2; + + point.set( + QuadraticBezier( t, v0.x, v1.x, v2.x ), + QuadraticBezier( t, v0.y, v1.y, v2.y ), + QuadraticBezier( t, v0.z, v1.z, v2.z ) + ); + + return point; + +}; + +QuadraticBezierCurve3.prototype.copy = function ( source ) { + + Curve.prototype.copy.call( this, source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + +}; + +QuadraticBezierCurve3.prototype.toJSON = function () { + + var data = Curve.prototype.toJSON.call( this ); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + +}; + +QuadraticBezierCurve3.prototype.fromJSON = function ( json ) { + + Curve.prototype.fromJSON.call( this, json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + +}; + +function SplineCurve( points /* array of Vector2 */ ) { + + Curve.call( this ); + + this.type = 'SplineCurve'; + + this.points = points || []; + +} + +SplineCurve.prototype = Object.create( Curve.prototype ); +SplineCurve.prototype.constructor = SplineCurve; + +SplineCurve.prototype.isSplineCurve = true; + +SplineCurve.prototype.getPoint = function ( t, optionalTarget ) { + + var point = optionalTarget || new Vector2(); + + var points = this.points; + var p = ( points.length - 1 ) * t; + + var intPoint = Math.floor( p ); + var weight = p - intPoint; + + var p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ]; + var p1 = points[ intPoint ]; + var p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; + var p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; + + point.set( + CatmullRom( weight, p0.x, p1.x, p2.x, p3.x ), + CatmullRom( weight, p0.y, p1.y, p2.y, p3.y ) + ); + + return point; + +}; + +SplineCurve.prototype.copy = function ( source ) { + + Curve.prototype.copy.call( this, source ); + + this.points = []; + + for ( var i = 0, l = source.points.length; i < l; i ++ ) { + + var point = source.points[ i ]; + + this.points.push( point.clone() ); + + } + + return this; + +}; + +SplineCurve.prototype.toJSON = function () { + + var data = Curve.prototype.toJSON.call( this ); + + data.points = []; + + for ( var i = 0, l = this.points.length; i < l; i ++ ) { + + var point = this.points[ i ]; + data.points.push( point.toArray() ); + + } + + return data; + +}; + +SplineCurve.prototype.fromJSON = function ( json ) { + + Curve.prototype.fromJSON.call( this, json ); + + this.points = []; + + for ( var i = 0, l = json.points.length; i < l; i ++ ) { + + var point = json.points[ i ]; + this.points.push( new Vector2().fromArray( point ) ); + + } + + return this; + +}; + + + +var Curves = /*#__PURE__*/Object.freeze({ + __proto__: null, + ArcCurve: ArcCurve, + CatmullRomCurve3: CatmullRomCurve3, + CubicBezierCurve: CubicBezierCurve, + CubicBezierCurve3: CubicBezierCurve3, + EllipseCurve: EllipseCurve, + LineCurve: LineCurve, + LineCurve3: LineCurve3, + QuadraticBezierCurve: QuadraticBezierCurve, + QuadraticBezierCurve3: QuadraticBezierCurve3, + SplineCurve: SplineCurve +}); + +/** + * @author zz85 / http://www.lab4games.net/zz85/blog + * + **/ + +/************************************************************** + * Curved Path - a curve path is simply a array of connected + * curves, but retains the api of a curve + **************************************************************/ + +function CurvePath() { + + Curve.call( this ); + + this.type = 'CurvePath'; + + this.curves = []; + this.autoClose = false; // Automatically closes the path + +} + +CurvePath.prototype = Object.assign( Object.create( Curve.prototype ), { + + constructor: CurvePath, + + add: function ( curve ) { + + this.curves.push( curve ); + + }, + + closePath: function () { + + // Add a line curve if start and end of lines are not connected + var startPoint = this.curves[ 0 ].getPoint( 0 ); + var endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 ); + + if ( ! startPoint.equals( endPoint ) ) { + + this.curves.push( new LineCurve( endPoint, startPoint ) ); + + } + + }, + + // To get accurate point with reference to + // entire path distance at time t, + // following has to be done: + + // 1. Length of each sub path have to be known + // 2. Locate and identify type of curve + // 3. Get t for the curve + // 4. Return curve.getPointAt(t') + + getPoint: function ( t ) { + + var d = t * this.getLength(); + var curveLengths = this.getCurveLengths(); + var i = 0; + + // To think about boundaries points. + + while ( i < curveLengths.length ) { + + if ( curveLengths[ i ] >= d ) { + + var diff = curveLengths[ i ] - d; + var curve = this.curves[ i ]; + + var segmentLength = curve.getLength(); + var u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; + + return curve.getPointAt( u ); + + } + + i ++; + + } + + return null; + + // loop where sum != 0, sum > d , sum+1 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) { + + points.push( points[ 0 ] ); + + } + + return points; + + }, + + copy: function ( source ) { + + Curve.prototype.copy.call( this, source ); + + this.curves = []; + + for ( var i = 0, l = source.curves.length; i < l; i ++ ) { + + var curve = source.curves[ i ]; + + this.curves.push( curve.clone() ); + + } + + this.autoClose = source.autoClose; + + return this; + + }, + + toJSON: function () { + + var data = Curve.prototype.toJSON.call( this ); + + data.autoClose = this.autoClose; + data.curves = []; + + for ( var i = 0, l = this.curves.length; i < l; i ++ ) { + + var curve = this.curves[ i ]; + data.curves.push( curve.toJSON() ); + + } + + return data; + + }, + + fromJSON: function ( json ) { + + Curve.prototype.fromJSON.call( this, json ); + + this.autoClose = json.autoClose; + this.curves = []; + + for ( var i = 0, l = json.curves.length; i < l; i ++ ) { + + var curve = json.curves[ i ]; + this.curves.push( new Curves[ curve.type ]().fromJSON( curve ) ); + + } + + return this; + + } + +} ); + +/** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Creates free form 2d path using series of points, lines or curves. + **/ + +function Path( points ) { + + CurvePath.call( this ); + + this.type = 'Path'; + + this.currentPoint = new Vector2(); + + if ( points ) { + + this.setFromPoints( points ); + + } + +} + +Path.prototype = Object.assign( Object.create( CurvePath.prototype ), { + + constructor: Path, + + setFromPoints: function ( points ) { + + this.moveTo( points[ 0 ].x, points[ 0 ].y ); + + for ( var i = 1, l = points.length; i < l; i ++ ) { + + this.lineTo( points[ i ].x, points[ i ].y ); + + } + + return this; + + }, + + moveTo: function ( x, y ) { + + this.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying? + + return this; + + }, + + lineTo: function ( x, y ) { + + var curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) ); + this.curves.push( curve ); + + this.currentPoint.set( x, y ); + + return this; + + }, + + quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { + + var curve = new QuadraticBezierCurve( + this.currentPoint.clone(), + new Vector2( aCPx, aCPy ), + new Vector2( aX, aY ) + ); + + this.curves.push( curve ); + + this.currentPoint.set( aX, aY ); + + return this; + + }, + + bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + + var curve = new CubicBezierCurve( + this.currentPoint.clone(), + new Vector2( aCP1x, aCP1y ), + new Vector2( aCP2x, aCP2y ), + new Vector2( aX, aY ) + ); + + this.curves.push( curve ); + + this.currentPoint.set( aX, aY ); + + return this; + + }, + + splineThru: function ( pts /*Array of Vector*/ ) { + + var npts = [ this.currentPoint.clone() ].concat( pts ); + + var curve = new SplineCurve( npts ); + this.curves.push( curve ); + + this.currentPoint.copy( pts[ pts.length - 1 ] ); + + return this; + + }, + + arc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + var x0 = this.currentPoint.x; + var y0 = this.currentPoint.y; + + this.absarc( aX + x0, aY + y0, aRadius, + aStartAngle, aEndAngle, aClockwise ); + + return this; + + }, + + absarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + this.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + + return this; + + }, + + ellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + + var x0 = this.currentPoint.x; + var y0 = this.currentPoint.y; + + this.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + + return this; + + }, + + absellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + + var curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + + if ( this.curves.length > 0 ) { + + // if a previous curve is present, attempt to join + var firstPoint = curve.getPoint( 0 ); + + if ( ! firstPoint.equals( this.currentPoint ) ) { + + this.lineTo( firstPoint.x, firstPoint.y ); + + } + + } + + this.curves.push( curve ); + + var lastPoint = curve.getPoint( 1 ); + this.currentPoint.copy( lastPoint ); + + return this; + + }, + + copy: function ( source ) { + + CurvePath.prototype.copy.call( this, source ); + + this.currentPoint.copy( source.currentPoint ); + + return this; + + }, + + toJSON: function () { + + var data = CurvePath.prototype.toJSON.call( this ); + + data.currentPoint = this.currentPoint.toArray(); + + return data; + + }, + + fromJSON: function ( json ) { + + CurvePath.prototype.fromJSON.call( this, json ); + + this.currentPoint.fromArray( json.currentPoint ); + + return this; + + } + +} ); + +/** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Defines a 2d shape plane using paths. + **/ + +// STEP 1 Create a path. +// STEP 2 Turn path into shape. +// STEP 3 ExtrudeGeometry takes in Shape/Shapes +// STEP 3a - Extract points from each shape, turn to vertices +// STEP 3b - Triangulate each shape, add faces. + +function Shape( points ) { + + Path.call( this, points ); + + this.uuid = MathUtils.generateUUID(); + + this.type = 'Shape'; + + this.holes = []; + +} + +Shape.prototype = Object.assign( Object.create( Path.prototype ), { + + constructor: Shape, + + getPointsHoles: function ( divisions ) { + + var holesPts = []; + + for ( var i = 0, l = this.holes.length; i < l; i ++ ) { + + holesPts[ i ] = this.holes[ i ].getPoints( divisions ); + + } + + return holesPts; + + }, + + // get points of shape and holes (keypoints based on segments parameter) + + extractPoints: function ( divisions ) { + + return { + + shape: this.getPoints( divisions ), + holes: this.getPointsHoles( divisions ) + + }; + + }, + + copy: function ( source ) { + + Path.prototype.copy.call( this, source ); + + this.holes = []; + + for ( var i = 0, l = source.holes.length; i < l; i ++ ) { + + var hole = source.holes[ i ]; + + this.holes.push( hole.clone() ); + + } + + return this; + + }, + + toJSON: function () { + + var data = Path.prototype.toJSON.call( this ); + + data.uuid = this.uuid; + data.holes = []; + + for ( var i = 0, l = this.holes.length; i < l; i ++ ) { + + var hole = this.holes[ i ]; + data.holes.push( hole.toJSON() ); + + } + + return data; + + }, + + fromJSON: function ( json ) { + + Path.prototype.fromJSON.call( this, json ); + + this.uuid = json.uuid; + this.holes = []; + + for ( var i = 0, l = json.holes.length; i < l; i ++ ) { + + var hole = json.holes[ i ]; + this.holes.push( new Path().fromJSON( hole ) ); + + } + + return this; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + +function Light( color, intensity ) { + + Object3D.call( this ); + + this.type = 'Light'; + + this.color = new Color( color ); + this.intensity = intensity !== undefined ? intensity : 1; + + this.receiveShadow = undefined; + +} + +Light.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Light, + + isLight: true, + + copy: function ( source ) { + + Object3D.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + this.intensity = source.intensity; + + return this; + + }, + + toJSON: function ( meta ) { + + var data = Object3D.prototype.toJSON.call( this, meta ); + + data.object.color = this.color.getHex(); + data.object.intensity = this.intensity; + + if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex(); + + if ( this.distance !== undefined ) data.object.distance = this.distance; + if ( this.angle !== undefined ) data.object.angle = this.angle; + if ( this.decay !== undefined ) data.object.decay = this.decay; + if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra; + + if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON(); + + return data; + + } + +} ); + +/** + * @author alteredq / http://alteredqualia.com/ + */ + +function HemisphereLight( skyColor, groundColor, intensity ) { + + Light.call( this, skyColor, intensity ); + + this.type = 'HemisphereLight'; + + this.castShadow = undefined; + + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); + + this.groundColor = new Color( groundColor ); + +} + +HemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: HemisphereLight, + + isHemisphereLight: true, + + copy: function ( source ) { + + Light.prototype.copy.call( this, source ); + + this.groundColor.copy( source.groundColor ); + + return this; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function LightShadow( camera ) { + + this.camera = camera; + + this.bias = 0; + this.radius = 1; + + this.mapSize = new Vector2( 512, 512 ); + + this.map = null; + this.mapPass = null; + this.matrix = new Matrix4(); + + this._frustum = new Frustum(); + this._frameExtents = new Vector2( 1, 1 ); + + this._viewportCount = 1; + + this._viewports = [ + + new Vector4( 0, 0, 1, 1 ) + + ]; + +} + +Object.assign( LightShadow.prototype, { + + _projScreenMatrix: new Matrix4(), + + _lightPositionWorld: new Vector3(), + + _lookTarget: new Vector3(), + + getViewportCount: function () { + + return this._viewportCount; + + }, + + getFrustum: function () { + + return this._frustum; + + }, + + updateMatrices: function ( light ) { + + var shadowCamera = this.camera, + shadowMatrix = this.matrix, + projScreenMatrix = this._projScreenMatrix, + lookTarget = this._lookTarget, + lightPositionWorld = this._lightPositionWorld; + + lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); + shadowCamera.position.copy( lightPositionWorld ); + + lookTarget.setFromMatrixPosition( light.target.matrixWorld ); + shadowCamera.lookAt( lookTarget ); + shadowCamera.updateMatrixWorld(); + + projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse ); + this._frustum.setFromProjectionMatrix( projScreenMatrix ); + + shadowMatrix.set( + 0.5, 0.0, 0.0, 0.5, + 0.0, 0.5, 0.0, 0.5, + 0.0, 0.0, 0.5, 0.5, + 0.0, 0.0, 0.0, 1.0 + ); + + shadowMatrix.multiply( shadowCamera.projectionMatrix ); + shadowMatrix.multiply( shadowCamera.matrixWorldInverse ); + + }, + + getViewport: function ( viewportIndex ) { + + return this._viewports[ viewportIndex ]; + + }, + + getFrameExtents: function () { + + return this._frameExtents; + + }, + + copy: function ( source ) { + + this.camera = source.camera.clone(); + + this.bias = source.bias; + this.radius = source.radius; + + this.mapSize.copy( source.mapSize ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + toJSON: function () { + + var object = {}; + + if ( this.bias !== 0 ) object.bias = this.bias; + if ( this.radius !== 1 ) object.radius = this.radius; + if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray(); + + object.camera = this.camera.toJSON( false ).object; + delete object.camera.matrix; + + return object; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function SpotLightShadow() { + + LightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) ); + +} + +SpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { + + constructor: SpotLightShadow, + + isSpotLightShadow: true, + + updateMatrices: function ( light ) { + + var camera = this.camera; + + var fov = MathUtils.RAD2DEG * 2 * light.angle; + var aspect = this.mapSize.width / this.mapSize.height; + var far = light.distance || camera.far; + + if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) { + + camera.fov = fov; + camera.aspect = aspect; + camera.far = far; + camera.updateProjectionMatrix(); + + } + + LightShadow.prototype.updateMatrices.call( this, light ); + + } + +} ); + +/** + * @author alteredq / http://alteredqualia.com/ + */ + +function SpotLight( color, intensity, distance, angle, penumbra, decay ) { + + Light.call( this, color, intensity ); + + this.type = 'SpotLight'; + + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); + + this.target = new Object3D(); + + Object.defineProperty( this, 'power', { + get: function () { + + // intensity = power per solid angle. + // ref: equation (17) from https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf + return this.intensity * Math.PI; + + }, + set: function ( power ) { + + // intensity = power per solid angle. + // ref: equation (17) from https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf + this.intensity = power / Math.PI; + + } + } ); + + this.distance = ( distance !== undefined ) ? distance : 0; + this.angle = ( angle !== undefined ) ? angle : Math.PI / 3; + this.penumbra = ( penumbra !== undefined ) ? penumbra : 0; + this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. + + this.shadow = new SpotLightShadow(); + +} + +SpotLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: SpotLight, + + isSpotLight: true, + + copy: function ( source ) { + + Light.prototype.copy.call( this, source ); + + this.distance = source.distance; + this.angle = source.angle; + this.penumbra = source.penumbra; + this.decay = source.decay; + + this.target = source.target.clone(); + + this.shadow = source.shadow.clone(); + + return this; + + } + +} ); + +function PointLightShadow() { + + LightShadow.call( this, new PerspectiveCamera( 90, 1, 0.5, 500 ) ); + + this._frameExtents = new Vector2( 4, 2 ); + + this._viewportCount = 6; + + this._viewports = [ + // These viewports map a cube-map onto a 2D texture with the + // following orientation: + // + // xzXZ + // y Y + // + // X - Positive x direction + // x - Negative x direction + // Y - Positive y direction + // y - Negative y direction + // Z - Positive z direction + // z - Negative z direction + + // positive X + new Vector4( 2, 1, 1, 1 ), + // negative X + new Vector4( 0, 1, 1, 1 ), + // positive Z + new Vector4( 3, 1, 1, 1 ), + // negative Z + new Vector4( 1, 1, 1, 1 ), + // positive Y + new Vector4( 3, 0, 1, 1 ), + // negative Y + new Vector4( 1, 0, 1, 1 ) + ]; + + this._cubeDirections = [ + new Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ), + new Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 ) + ]; + + this._cubeUps = [ + new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), + new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ), new Vector3( 0, 0, - 1 ) + ]; + +} + +PointLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { + + constructor: PointLightShadow, + + isPointLightShadow: true, + + updateMatrices: function ( light, viewportIndex ) { + + if ( viewportIndex === undefined ) viewportIndex = 0; + + var camera = this.camera, + shadowMatrix = this.matrix, + lightPositionWorld = this._lightPositionWorld, + lookTarget = this._lookTarget, + projScreenMatrix = this._projScreenMatrix; + + lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); + camera.position.copy( lightPositionWorld ); + + lookTarget.copy( camera.position ); + lookTarget.add( this._cubeDirections[ viewportIndex ] ); + camera.up.copy( this._cubeUps[ viewportIndex ] ); + camera.lookAt( lookTarget ); + camera.updateMatrixWorld(); + + shadowMatrix.makeTranslation( - lightPositionWorld.x, - lightPositionWorld.y, - lightPositionWorld.z ); + + projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + this._frustum.setFromProjectionMatrix( projScreenMatrix ); + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + + +function PointLight( color, intensity, distance, decay ) { + + Light.call( this, color, intensity ); + + this.type = 'PointLight'; + + Object.defineProperty( this, 'power', { + get: function () { + + // intensity = power per solid angle. + // ref: equation (15) from https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf + return this.intensity * 4 * Math.PI; + + }, + set: function ( power ) { + + // intensity = power per solid angle. + // ref: equation (15) from https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf + this.intensity = power / ( 4 * Math.PI ); + + } + } ); + + this.distance = ( distance !== undefined ) ? distance : 0; + this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. + + this.shadow = new PointLightShadow(); + +} + +PointLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: PointLight, + + isPointLight: true, + + copy: function ( source ) { + + Light.prototype.copy.call( this, source ); + + this.distance = source.distance; + this.decay = source.decay; + + this.shadow = source.shadow.clone(); + + return this; + + } + +} ); + +/** + * @author alteredq / http://alteredqualia.com/ + * @author arose / http://github.com/arose + */ + +function OrthographicCamera( left, right, top, bottom, near, far ) { + + Camera.call( this ); + + this.type = 'OrthographicCamera'; + + this.zoom = 1; + this.view = null; + + this.left = ( left !== undefined ) ? left : - 1; + this.right = ( right !== undefined ) ? right : 1; + this.top = ( top !== undefined ) ? top : 1; + this.bottom = ( bottom !== undefined ) ? bottom : - 1; + + this.near = ( near !== undefined ) ? near : 0.1; + this.far = ( far !== undefined ) ? far : 2000; + + this.updateProjectionMatrix(); + +} + +OrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), { + + constructor: OrthographicCamera, + + isOrthographicCamera: true, + + copy: function ( source, recursive ) { + + Camera.prototype.copy.call( this, source, recursive ); + + this.left = source.left; + this.right = source.right; + this.top = source.top; + this.bottom = source.bottom; + this.near = source.near; + this.far = source.far; + + this.zoom = source.zoom; + this.view = source.view === null ? null : Object.assign( {}, source.view ); + + return this; + + }, + + setViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) { + + if ( this.view === null ) { + + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + + } + + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + + this.updateProjectionMatrix(); + + }, + + clearViewOffset: function () { + + if ( this.view !== null ) { + + this.view.enabled = false; + + } + + this.updateProjectionMatrix(); + + }, + + updateProjectionMatrix: function () { + + var dx = ( this.right - this.left ) / ( 2 * this.zoom ); + var dy = ( this.top - this.bottom ) / ( 2 * this.zoom ); + var cx = ( this.right + this.left ) / 2; + var cy = ( this.top + this.bottom ) / 2; + + var left = cx - dx; + var right = cx + dx; + var top = cy + dy; + var bottom = cy - dy; + + if ( this.view !== null && this.view.enabled ) { + + var scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom; + var scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom; + + left += scaleW * this.view.offsetX; + right = left + scaleW * this.view.width; + top -= scaleH * this.view.offsetY; + bottom = top - scaleH * this.view.height; + + } + + this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far ); + + this.projectionMatrixInverse.getInverse( this.projectionMatrix ); + + }, + + toJSON: function ( meta ) { + + var data = Object3D.prototype.toJSON.call( this, meta ); + + data.object.zoom = this.zoom; + data.object.left = this.left; + data.object.right = this.right; + data.object.top = this.top; + data.object.bottom = this.bottom; + data.object.near = this.near; + data.object.far = this.far; + + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + + return data; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function DirectionalLightShadow() { + + LightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) ); + +} + +DirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { + + constructor: DirectionalLightShadow, + + isDirectionalLightShadow: true, + + updateMatrices: function ( light ) { + + LightShadow.prototype.updateMatrices.call( this, light ); + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + +function DirectionalLight( color, intensity ) { + + Light.call( this, color, intensity ); + + this.type = 'DirectionalLight'; + + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); + + this.target = new Object3D(); + + this.shadow = new DirectionalLightShadow(); + +} + +DirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: DirectionalLight, + + isDirectionalLight: true, + + copy: function ( source ) { + + Light.prototype.copy.call( this, source ); + + this.target = source.target.clone(); + + this.shadow = source.shadow.clone(); + + return this; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function AmbientLight( color, intensity ) { + + Light.call( this, color, intensity ); + + this.type = 'AmbientLight'; + + this.castShadow = undefined; + +} + +AmbientLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: AmbientLight, + + isAmbientLight: true + +} ); + +/** + * @author abelnation / http://github.com/abelnation + */ + +function RectAreaLight( color, intensity, width, height ) { + + Light.call( this, color, intensity ); + + this.type = 'RectAreaLight'; + + this.width = ( width !== undefined ) ? width : 10; + this.height = ( height !== undefined ) ? height : 10; + +} + +RectAreaLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: RectAreaLight, + + isRectAreaLight: true, + + copy: function ( source ) { + + Light.prototype.copy.call( this, source ); + + this.width = source.width; + this.height = source.height; + + return this; + + }, + + toJSON: function ( meta ) { + + var data = Light.prototype.toJSON.call( this, meta ); + + data.object.width = this.width; + data.object.height = this.height; + + return data; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function MaterialLoader( manager ) { + + Loader.call( this, manager ); + + this.textures = {}; + +} + +MaterialLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: MaterialLoader, + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.load( url, function ( text ) { + + onLoad( scope.parse( JSON.parse( text ) ) ); + + }, onProgress, onError ); + + }, + + parse: function ( json ) { + + var textures = this.textures; + + function getTexture( name ) { + + if ( textures[ name ] === undefined ) { + + console.warn( 'THREE.MaterialLoader: Undefined texture', name ); + + } + + return textures[ name ]; + + } + + var material = new Materials[ json.type ](); + + if ( json.uuid !== undefined ) material.uuid = json.uuid; + if ( json.name !== undefined ) material.name = json.name; + if ( json.color !== undefined ) material.color.setHex( json.color ); + if ( json.roughness !== undefined ) material.roughness = json.roughness; + if ( json.metalness !== undefined ) material.metalness = json.metalness; + if ( json.sheen !== undefined ) material.sheen = new Color().setHex( json.sheen ); + if ( json.emissive !== undefined ) material.emissive.setHex( json.emissive ); + if ( json.specular !== undefined ) material.specular.setHex( json.specular ); + if ( json.shininess !== undefined ) material.shininess = json.shininess; + if ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat; + if ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness; + if ( json.fog !== undefined ) material.fog = json.fog; + if ( json.flatShading !== undefined ) material.flatShading = json.flatShading; + if ( json.blending !== undefined ) material.blending = json.blending; + if ( json.combine !== undefined ) material.combine = json.combine; + if ( json.side !== undefined ) material.side = json.side; + if ( json.opacity !== undefined ) material.opacity = json.opacity; + if ( json.transparent !== undefined ) material.transparent = json.transparent; + if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest; + if ( json.depthTest !== undefined ) material.depthTest = json.depthTest; + if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite; + if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite; + + if ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite; + if ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask; + if ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc; + if ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef; + if ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask; + if ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail; + if ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail; + if ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass; + + if ( json.wireframe !== undefined ) material.wireframe = json.wireframe; + if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth; + if ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap; + if ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin; + + if ( json.rotation !== undefined ) material.rotation = json.rotation; + + if ( json.linewidth !== 1 ) material.linewidth = json.linewidth; + if ( json.dashSize !== undefined ) material.dashSize = json.dashSize; + if ( json.gapSize !== undefined ) material.gapSize = json.gapSize; + if ( json.scale !== undefined ) material.scale = json.scale; + + if ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset; + if ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor; + if ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits; + + if ( json.skinning !== undefined ) material.skinning = json.skinning; + if ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets; + if ( json.morphNormals !== undefined ) material.morphNormals = json.morphNormals; + if ( json.dithering !== undefined ) material.dithering = json.dithering; + + if ( json.vertexTangents !== undefined ) material.vertexTangents = json.vertexTangents; + + if ( json.visible !== undefined ) material.visible = json.visible; + + if ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped; + + if ( json.userData !== undefined ) material.userData = json.userData; + + if ( json.vertexColors !== undefined ) { + + if ( typeof json.vertexColors === 'number' ) { + + material.vertexColors = ( json.vertexColors > 0 ) ? true : false; + + } else { + + material.vertexColors = json.vertexColors; + + } + + } + + // Shader Material + + if ( json.uniforms !== undefined ) { + + for ( var name in json.uniforms ) { + + var uniform = json.uniforms[ name ]; + + material.uniforms[ name ] = {}; + + switch ( uniform.type ) { + + case 't': + material.uniforms[ name ].value = getTexture( uniform.value ); + break; + + case 'c': + material.uniforms[ name ].value = new Color().setHex( uniform.value ); + break; + + case 'v2': + material.uniforms[ name ].value = new Vector2().fromArray( uniform.value ); + break; + + case 'v3': + material.uniforms[ name ].value = new Vector3().fromArray( uniform.value ); + break; + + case 'v4': + material.uniforms[ name ].value = new Vector4().fromArray( uniform.value ); + break; + + case 'm3': + material.uniforms[ name ].value = new Matrix3().fromArray( uniform.value ); + + case 'm4': + material.uniforms[ name ].value = new Matrix4().fromArray( uniform.value ); + break; + + default: + material.uniforms[ name ].value = uniform.value; + + } + + } + + } + + if ( json.defines !== undefined ) material.defines = json.defines; + if ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader; + if ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader; + + if ( json.extensions !== undefined ) { + + for ( var key in json.extensions ) { + + material.extensions[ key ] = json.extensions[ key ]; + + } + + } + + // Deprecated + + if ( json.shading !== undefined ) material.flatShading = json.shading === 1; // THREE.FlatShading + + // for PointsMaterial + + if ( json.size !== undefined ) material.size = json.size; + if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation; + + // maps + + if ( json.map !== undefined ) material.map = getTexture( json.map ); + if ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap ); + + if ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap ); + + if ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap ); + if ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale; + + if ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap ); + if ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType; + if ( json.normalScale !== undefined ) { + + var normalScale = json.normalScale; + + if ( Array.isArray( normalScale ) === false ) { + + // Blender exporter used to export a scalar. See #7459 + + normalScale = [ normalScale, normalScale ]; + + } + + material.normalScale = new Vector2().fromArray( normalScale ); + + } + + if ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap ); + if ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale; + if ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias; + + if ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap ); + if ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap ); + + if ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap ); + if ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity; + + if ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap ); + + if ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap ); + if ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity; + + if ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity; + if ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio; + + if ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap ); + if ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity; + + if ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap ); + if ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity; + + if ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap ); + + if ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap ); + if ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale ); + + return material; + + }, + + setTextures: function ( value ) { + + this.textures = value; + return this; + + } + +} ); + +/** + * @author Don McCurdy / https://www.donmccurdy.com + */ + +var LoaderUtils = { + + decodeText: function ( array ) { + + if ( typeof TextDecoder !== 'undefined' ) { + + return new TextDecoder().decode( array ); + + } + + // Avoid the String.fromCharCode.apply(null, array) shortcut, which + // throws a "maximum call stack size exceeded" error for large arrays. + + var s = ''; + + for ( var i = 0, il = array.length; i < il; i ++ ) { + + // Implicitly assumes little-endian. + s += String.fromCharCode( array[ i ] ); + + } + + try { + + // merges multi-byte utf-8 characters. + + return decodeURIComponent( escape( s ) ); + + } catch ( e ) { // see #16358 + + return s; + + } + + }, + + extractUrlBase: function ( url ) { + + var index = url.lastIndexOf( '/' ); + + if ( index === - 1 ) return './'; + + return url.substr( 0, index + 1 ); + + } + +}; + +/** + * @author benaadams / https://twitter.com/ben_a_adams + */ + +function InstancedBufferGeometry() { + + BufferGeometry.call( this ); + + this.type = 'InstancedBufferGeometry'; + this.maxInstancedCount = undefined; + +} + +InstancedBufferGeometry.prototype = Object.assign( Object.create( BufferGeometry.prototype ), { + + constructor: InstancedBufferGeometry, + + isInstancedBufferGeometry: true, + + copy: function ( source ) { + + BufferGeometry.prototype.copy.call( this, source ); + + this.maxInstancedCount = source.maxInstancedCount; + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + toJSON: function () { + + var data = BufferGeometry.prototype.toJSON.call( this ); + + data.maxInstancedCount = this.maxInstancedCount; + + data.isInstancedBufferGeometry = true; + + return data; + + } + +} ); + +/** + * @author benaadams / https://twitter.com/ben_a_adams + */ + +function InstancedBufferAttribute( array, itemSize, normalized, meshPerAttribute ) { + + if ( typeof ( normalized ) === 'number' ) { + + meshPerAttribute = normalized; + + normalized = false; + + console.error( 'THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.' ); + + } + + BufferAttribute.call( this, array, itemSize, normalized ); + + this.meshPerAttribute = meshPerAttribute || 1; + +} + +InstancedBufferAttribute.prototype = Object.assign( Object.create( BufferAttribute.prototype ), { + + constructor: InstancedBufferAttribute, + + isInstancedBufferAttribute: true, + + copy: function ( source ) { + + BufferAttribute.prototype.copy.call( this, source ); + + this.meshPerAttribute = source.meshPerAttribute; + + return this; + + }, + + toJSON: function () { + + var data = BufferAttribute.prototype.toJSON.call( this ); + + data.meshPerAttribute = this.meshPerAttribute; + + data.isInstancedBufferAttribute = true; + + return data; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function BufferGeometryLoader( manager ) { + + Loader.call( this, manager ); + +} + +BufferGeometryLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: BufferGeometryLoader, + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.load( url, function ( text ) { + + onLoad( scope.parse( JSON.parse( text ) ) ); + + }, onProgress, onError ); + + }, + + parse: function ( json ) { + + var geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry(); + + var index = json.data.index; + + if ( index !== undefined ) { + + var typedArray = new TYPED_ARRAYS[ index.type ]( index.array ); + geometry.setIndex( new BufferAttribute( typedArray, 1 ) ); + + } + + var attributes = json.data.attributes; + + for ( var key in attributes ) { + + var attribute = attributes[ key ]; + var typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array ); + var bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute; + var bufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized ); + if ( attribute.name !== undefined ) bufferAttribute.name = attribute.name; + geometry.setAttribute( key, bufferAttribute ); + + } + + var morphAttributes = json.data.morphAttributes; + + if ( morphAttributes ) { + + for ( var key in morphAttributes ) { + + var attributeArray = morphAttributes[ key ]; + + var array = []; + + for ( var i = 0, il = attributeArray.length; i < il; i ++ ) { + + var attribute = attributeArray[ i ]; + var typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array ); + + var bufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ); + if ( attribute.name !== undefined ) bufferAttribute.name = attribute.name; + array.push( bufferAttribute ); + + } + + geometry.morphAttributes[ key ] = array; + + } + + } + + var morphTargetsRelative = json.data.morphTargetsRelative; + + if ( morphTargetsRelative ) { + + geometry.morphTargetsRelative = true; + + } + + var groups = json.data.groups || json.data.drawcalls || json.data.offsets; + + if ( groups !== undefined ) { + + for ( var i = 0, n = groups.length; i !== n; ++ i ) { + + var group = groups[ i ]; + + geometry.addGroup( group.start, group.count, group.materialIndex ); + + } + + } + + var boundingSphere = json.data.boundingSphere; + + if ( boundingSphere !== undefined ) { + + var center = new Vector3(); + + if ( boundingSphere.center !== undefined ) { + + center.fromArray( boundingSphere.center ); + + } + + geometry.boundingSphere = new Sphere( center, boundingSphere.radius ); + + } + + if ( json.name ) geometry.name = json.name; + if ( json.userData ) geometry.userData = json.userData; + + return geometry; + + } + +} ); + +var TYPED_ARRAYS = { + Int8Array: Int8Array, + Uint8Array: Uint8Array, + // Workaround for IE11 pre KB2929437. See #11440 + Uint8ClampedArray: typeof Uint8ClampedArray !== 'undefined' ? Uint8ClampedArray : Uint8Array, + Int16Array: Int16Array, + Uint16Array: Uint16Array, + Int32Array: Int32Array, + Uint32Array: Uint32Array, + Float32Array: Float32Array, + Float64Array: Float64Array +}; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function ObjectLoader( manager ) { + + Loader.call( this, manager ); + +} + +ObjectLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: ObjectLoader, + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path; + this.resourcePath = this.resourcePath || path; + + var loader = new FileLoader( scope.manager ); + loader.setPath( this.path ); + loader.load( url, function ( text ) { + + var json = null; + + try { + + json = JSON.parse( text ); + + } catch ( error ) { + + if ( onError !== undefined ) onError( error ); + + console.error( 'THREE:ObjectLoader: Can\'t parse ' + url + '.', error.message ); + + return; + + } + + var metadata = json.metadata; + + if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) { + + console.error( 'THREE.ObjectLoader: Can\'t load ' + url ); + return; + + } + + scope.parse( json, onLoad ); + + }, onProgress, onError ); + + }, + + parse: function ( json, onLoad ) { + + var shapes = this.parseShape( json.shapes ); + var geometries = this.parseGeometries( json.geometries, shapes ); + + var images = this.parseImages( json.images, function () { + + if ( onLoad !== undefined ) onLoad( object ); + + } ); + + var textures = this.parseTextures( json.textures, images ); + var materials = this.parseMaterials( json.materials, textures ); + + var object = this.parseObject( json.object, geometries, materials ); + + if ( json.animations ) { + + object.animations = this.parseAnimations( json.animations ); + + } + + if ( json.images === undefined || json.images.length === 0 ) { + + if ( onLoad !== undefined ) onLoad( object ); + + } + + return object; + + }, + + parseShape: function ( json ) { + + var shapes = {}; + + if ( json !== undefined ) { + + for ( var i = 0, l = json.length; i < l; i ++ ) { + + var shape = new Shape().fromJSON( json[ i ] ); + + shapes[ shape.uuid ] = shape; + + } + + } + + return shapes; + + }, + + parseGeometries: function ( json, shapes ) { + + var geometries = {}; + + if ( json !== undefined ) { + + var bufferGeometryLoader = new BufferGeometryLoader(); + + for ( var i = 0, l = json.length; i < l; i ++ ) { + + var geometry; + var data = json[ i ]; + + switch ( data.type ) { + + case 'PlaneGeometry': + case 'PlaneBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.width, + data.height, + data.widthSegments, + data.heightSegments + ); + + break; + + case 'BoxGeometry': + case 'BoxBufferGeometry': + case 'CubeGeometry': // backwards compatible + + geometry = new Geometries[ data.type ]( + data.width, + data.height, + data.depth, + data.widthSegments, + data.heightSegments, + data.depthSegments + ); + + break; + + case 'CircleGeometry': + case 'CircleBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.segments, + data.thetaStart, + data.thetaLength + ); + + break; + + case 'CylinderGeometry': + case 'CylinderBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radiusTop, + data.radiusBottom, + data.height, + data.radialSegments, + data.heightSegments, + data.openEnded, + data.thetaStart, + data.thetaLength + ); + + break; + + case 'ConeGeometry': + case 'ConeBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.height, + data.radialSegments, + data.heightSegments, + data.openEnded, + data.thetaStart, + data.thetaLength + ); + + break; + + case 'SphereGeometry': + case 'SphereBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.widthSegments, + data.heightSegments, + data.phiStart, + data.phiLength, + data.thetaStart, + data.thetaLength + ); + + break; + + case 'DodecahedronGeometry': + case 'DodecahedronBufferGeometry': + case 'IcosahedronGeometry': + case 'IcosahedronBufferGeometry': + case 'OctahedronGeometry': + case 'OctahedronBufferGeometry': + case 'TetrahedronGeometry': + case 'TetrahedronBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.detail + ); + + break; + + case 'RingGeometry': + case 'RingBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.innerRadius, + data.outerRadius, + data.thetaSegments, + data.phiSegments, + data.thetaStart, + data.thetaLength + ); + + break; + + case 'TorusGeometry': + case 'TorusBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.tube, + data.radialSegments, + data.tubularSegments, + data.arc + ); + + break; + + case 'TorusKnotGeometry': + case 'TorusKnotBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.tube, + data.tubularSegments, + data.radialSegments, + data.p, + data.q + ); + + break; + + case 'TubeGeometry': + case 'TubeBufferGeometry': + + // This only works for built-in curves (e.g. CatmullRomCurve3). + // User defined curves or instances of CurvePath will not be deserialized. + geometry = new Geometries[ data.type ]( + new Curves[ data.path.type ]().fromJSON( data.path ), + data.tubularSegments, + data.radius, + data.radialSegments, + data.closed + ); + + break; + + case 'LatheGeometry': + case 'LatheBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.points, + data.segments, + data.phiStart, + data.phiLength + ); + + break; + + case 'PolyhedronGeometry': + case 'PolyhedronBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.vertices, + data.indices, + data.radius, + data.details + ); + + break; + + case 'ShapeGeometry': + case 'ShapeBufferGeometry': + + var geometryShapes = []; + + for ( var j = 0, jl = data.shapes.length; j < jl; j ++ ) { + + var shape = shapes[ data.shapes[ j ] ]; + + geometryShapes.push( shape ); + + } + + geometry = new Geometries[ data.type ]( + geometryShapes, + data.curveSegments + ); + + break; + + + case 'ExtrudeGeometry': + case 'ExtrudeBufferGeometry': + + var geometryShapes = []; + + for ( var j = 0, jl = data.shapes.length; j < jl; j ++ ) { + + var shape = shapes[ data.shapes[ j ] ]; + + geometryShapes.push( shape ); + + } + + var extrudePath = data.options.extrudePath; + + if ( extrudePath !== undefined ) { + + data.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath ); + + } + + geometry = new Geometries[ data.type ]( + geometryShapes, + data.options + ); + + break; + + case 'BufferGeometry': + case 'InstancedBufferGeometry': + + geometry = bufferGeometryLoader.parse( data ); + + break; + + case 'Geometry': + + console.error( 'THREE.ObjectLoader: Loading "Geometry" is not supported anymore.' ); + + break; + + default: + + console.warn( 'THREE.ObjectLoader: Unsupported geometry type "' + data.type + '"' ); + + continue; + + } + + geometry.uuid = data.uuid; + + if ( data.name !== undefined ) geometry.name = data.name; + if ( geometry.isBufferGeometry === true && data.userData !== undefined ) geometry.userData = data.userData; + + geometries[ data.uuid ] = geometry; + + } + + } + + return geometries; + + }, + + parseMaterials: function ( json, textures ) { + + var cache = {}; // MultiMaterial + var materials = {}; + + if ( json !== undefined ) { + + var loader = new MaterialLoader(); + loader.setTextures( textures ); + + for ( var i = 0, l = json.length; i < l; i ++ ) { + + var data = json[ i ]; + + if ( data.type === 'MultiMaterial' ) { + + // Deprecated + + var array = []; + + for ( var j = 0; j < data.materials.length; j ++ ) { + + var material = data.materials[ j ]; + + if ( cache[ material.uuid ] === undefined ) { + + cache[ material.uuid ] = loader.parse( material ); + + } + + array.push( cache[ material.uuid ] ); + + } + + materials[ data.uuid ] = array; + + } else { + + if ( cache[ data.uuid ] === undefined ) { + + cache[ data.uuid ] = loader.parse( data ); + + } + + materials[ data.uuid ] = cache[ data.uuid ]; + + } + + } + + } + + return materials; + + }, + + parseAnimations: function ( json ) { + + var animations = []; + + for ( var i = 0; i < json.length; i ++ ) { + + var data = json[ i ]; + + var clip = AnimationClip.parse( data ); + + if ( data.uuid !== undefined ) clip.uuid = data.uuid; + + animations.push( clip ); + + } + + return animations; + + }, + + parseImages: function ( json, onLoad ) { + + var scope = this; + var images = {}; + + function loadImage( url ) { + + scope.manager.itemStart( url ); + + return loader.load( url, function () { + + scope.manager.itemEnd( url ); + + }, undefined, function () { + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + } ); + + } + + if ( json !== undefined && json.length > 0 ) { + + var manager = new LoadingManager( onLoad ); + + var loader = new ImageLoader( manager ); + loader.setCrossOrigin( this.crossOrigin ); + + for ( var i = 0, il = json.length; i < il; i ++ ) { + + var image = json[ i ]; + var url = image.url; + + if ( Array.isArray( url ) ) { + + // load array of images e.g CubeTexture + + images[ image.uuid ] = []; + + for ( var j = 0, jl = url.length; j < jl; j ++ ) { + + var currentUrl = url[ j ]; + + var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( currentUrl ) ? currentUrl : scope.resourcePath + currentUrl; + + images[ image.uuid ].push( loadImage( path ) ); + + } + + } else { + + // load single image + + var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( image.url ) ? image.url : scope.resourcePath + image.url; + + images[ image.uuid ] = loadImage( path ); + + } + + } + + } + + return images; + + }, + + parseTextures: function ( json, images ) { + + function parseConstant( value, type ) { + + if ( typeof value === 'number' ) return value; + + console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value ); + + return type[ value ]; + + } + + var textures = {}; + + if ( json !== undefined ) { + + for ( var i = 0, l = json.length; i < l; i ++ ) { + + var data = json[ i ]; + + if ( data.image === undefined ) { + + console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid ); + + } + + if ( images[ data.image ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined image', data.image ); + + } + + var texture; + + if ( Array.isArray( images[ data.image ] ) ) { + + texture = new CubeTexture( images[ data.image ] ); + + } else { + + texture = new Texture( images[ data.image ] ); + + } + + texture.needsUpdate = true; + + texture.uuid = data.uuid; + + if ( data.name !== undefined ) texture.name = data.name; + + if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING ); + + if ( data.offset !== undefined ) texture.offset.fromArray( data.offset ); + if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat ); + if ( data.center !== undefined ) texture.center.fromArray( data.center ); + if ( data.rotation !== undefined ) texture.rotation = data.rotation; + + if ( data.wrap !== undefined ) { + + texture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING ); + texture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING ); + + } + + if ( data.format !== undefined ) texture.format = data.format; + if ( data.type !== undefined ) texture.type = data.type; + if ( data.encoding !== undefined ) texture.encoding = data.encoding; + + if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER ); + if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER ); + if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy; + + if ( data.flipY !== undefined ) texture.flipY = data.flipY; + + if ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha; + if ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment; + + textures[ data.uuid ] = texture; + + } + + } + + return textures; + + }, + + parseObject: function ( data, geometries, materials ) { + + var object; + + function getGeometry( name ) { + + if ( geometries[ name ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined geometry', name ); + + } + + return geometries[ name ]; + + } + + function getMaterial( name ) { + + if ( name === undefined ) return undefined; + + if ( Array.isArray( name ) ) { + + var array = []; + + for ( var i = 0, l = name.length; i < l; i ++ ) { + + var uuid = name[ i ]; + + if ( materials[ uuid ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined material', uuid ); + + } + + array.push( materials[ uuid ] ); + + } + + return array; + + } + + if ( materials[ name ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined material', name ); + + } + + return materials[ name ]; + + } + + switch ( data.type ) { + + case 'Scene': + + object = new three_module_Scene(); + + if ( data.background !== undefined ) { + + if ( Number.isInteger( data.background ) ) { + + object.background = new Color( data.background ); + + } + + } + + if ( data.fog !== undefined ) { + + if ( data.fog.type === 'Fog' ) { + + object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far ); + + } else if ( data.fog.type === 'FogExp2' ) { + + object.fog = new FogExp2( data.fog.color, data.fog.density ); + + } + + } + + break; + + case 'PerspectiveCamera': + + object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far ); + + if ( data.focus !== undefined ) object.focus = data.focus; + if ( data.zoom !== undefined ) object.zoom = data.zoom; + if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge; + if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset; + if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); + + break; + + case 'OrthographicCamera': + + object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far ); + + if ( data.zoom !== undefined ) object.zoom = data.zoom; + if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); + + break; + + case 'AmbientLight': + + object = new AmbientLight( data.color, data.intensity ); + + break; + + case 'DirectionalLight': + + object = new DirectionalLight( data.color, data.intensity ); + + break; + + case 'PointLight': + + object = new PointLight( data.color, data.intensity, data.distance, data.decay ); + + break; + + case 'RectAreaLight': + + object = new RectAreaLight( data.color, data.intensity, data.width, data.height ); + + break; + + case 'SpotLight': + + object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay ); + + break; + + case 'HemisphereLight': + + object = new HemisphereLight( data.color, data.groundColor, data.intensity ); + + break; + + case 'SkinnedMesh': + + console.warn( 'THREE.ObjectLoader.parseObject() does not support SkinnedMesh yet.' ); + + case 'Mesh': + + var geometry = getGeometry( data.geometry ); + var material = getMaterial( data.material ); + + if ( geometry.bones && geometry.bones.length > 0 ) { + + object = new SkinnedMesh( geometry, material ); + + } else { + + object = new Mesh( geometry, material ); + + } + + break; + + case 'InstancedMesh': + + var geometry = getGeometry( data.geometry ); + var material = getMaterial( data.material ); + var count = data.count; + var instanceMatrix = data.instanceMatrix; + + object = new InstancedMesh( geometry, material, count ); + object.instanceMatrix = new BufferAttribute( new Float32Array( instanceMatrix.array ), 16 ); + + break; + + case 'LOD': + + object = new LOD(); + + break; + + case 'Line': + + object = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode ); + + break; + + case 'LineLoop': + + object = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'LineSegments': + + object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'PointCloud': + case 'Points': + + object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'Sprite': + + object = new Sprite( getMaterial( data.material ) ); + + break; + + case 'Group': + + object = new Group(); + + break; + + default: + + object = new Object3D(); + + } + + object.uuid = data.uuid; + + if ( data.name !== undefined ) object.name = data.name; + + if ( data.matrix !== undefined ) { + + object.matrix.fromArray( data.matrix ); + + if ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate; + if ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale ); + + } else { + + if ( data.position !== undefined ) object.position.fromArray( data.position ); + if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation ); + if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion ); + if ( data.scale !== undefined ) object.scale.fromArray( data.scale ); + + } + + if ( data.castShadow !== undefined ) object.castShadow = data.castShadow; + if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow; + + if ( data.shadow ) { + + if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias; + if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius; + if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize ); + if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera ); + + } + + if ( data.visible !== undefined ) object.visible = data.visible; + if ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled; + if ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder; + if ( data.userData !== undefined ) object.userData = data.userData; + if ( data.layers !== undefined ) object.layers.mask = data.layers; + + if ( data.children !== undefined ) { + + var children = data.children; + + for ( var i = 0; i < children.length; i ++ ) { + + object.add( this.parseObject( children[ i ], geometries, materials ) ); + + } + + } + + if ( data.type === 'LOD' ) { + + if ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate; + + var levels = data.levels; + + for ( var l = 0; l < levels.length; l ++ ) { + + var level = levels[ l ]; + var child = object.getObjectByProperty( 'uuid', level.object ); + + if ( child !== undefined ) { + + object.addLevel( child, level.distance ); + + } + + } + + } + + return object; + + } + +} ); + +var TEXTURE_MAPPING = { + UVMapping: UVMapping, + CubeReflectionMapping: CubeReflectionMapping, + CubeRefractionMapping: CubeRefractionMapping, + EquirectangularReflectionMapping: EquirectangularReflectionMapping, + EquirectangularRefractionMapping: EquirectangularRefractionMapping, + SphericalReflectionMapping: SphericalReflectionMapping, + CubeUVReflectionMapping: CubeUVReflectionMapping, + CubeUVRefractionMapping: CubeUVRefractionMapping +}; + +var TEXTURE_WRAPPING = { + RepeatWrapping: RepeatWrapping, + ClampToEdgeWrapping: ClampToEdgeWrapping, + MirroredRepeatWrapping: MirroredRepeatWrapping +}; + +var TEXTURE_FILTER = { + NearestFilter: NearestFilter, + NearestMipmapNearestFilter: NearestMipmapNearestFilter, + NearestMipmapLinearFilter: NearestMipmapLinearFilter, + LinearFilter: LinearFilter, + LinearMipmapNearestFilter: LinearMipmapNearestFilter, + LinearMipmapLinearFilter: LinearMipmapLinearFilter +}; + +/** + * @author thespite / http://clicktorelease.com/ + */ + + +function ImageBitmapLoader( manager ) { + + if ( typeof createImageBitmap === 'undefined' ) { + + console.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' ); + + } + + if ( typeof fetch === 'undefined' ) { + + console.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' ); + + } + + Loader.call( this, manager ); + + this.options = undefined; + +} + +ImageBitmapLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: ImageBitmapLoader, + + setOptions: function setOptions( options ) { + + this.options = options; + + return this; + + }, + + load: function ( url, onLoad, onProgress, onError ) { + + if ( url === undefined ) url = ''; + + if ( this.path !== undefined ) url = this.path + url; + + url = this.manager.resolveURL( url ); + + var scope = this; + + var cached = Cache.get( url ); + + if ( cached !== undefined ) { + + scope.manager.itemStart( url ); + + setTimeout( function () { + + if ( onLoad ) onLoad( cached ); + + scope.manager.itemEnd( url ); + + }, 0 ); + + return cached; + + } + + fetch( url ).then( function ( res ) { + + return res.blob(); + + } ).then( function ( blob ) { + + if ( scope.options === undefined ) { + + // Workaround for FireFox. It causes an error if you pass options. + return createImageBitmap( blob ); + + } else { + + return createImageBitmap( blob, scope.options ); + + } + + } ).then( function ( imageBitmap ) { + + Cache.add( url, imageBitmap ); + + if ( onLoad ) onLoad( imageBitmap ); + + scope.manager.itemEnd( url ); + + } ).catch( function ( e ) { + + if ( onError ) onError( e ); + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + } ); + + scope.manager.itemStart( url ); + + } + +} ); + +/** + * @author zz85 / http://www.lab4games.net/zz85/blog + * minimal class for proxing functions to Path. Replaces old "extractSubpaths()" + **/ + +function ShapePath() { + + this.type = 'ShapePath'; + + this.color = new Color(); + + this.subPaths = []; + this.currentPath = null; + +} + +Object.assign( ShapePath.prototype, { + + moveTo: function ( x, y ) { + + this.currentPath = new Path(); + this.subPaths.push( this.currentPath ); + this.currentPath.moveTo( x, y ); + + return this; + + }, + + lineTo: function ( x, y ) { + + this.currentPath.lineTo( x, y ); + + return this; + + }, + + quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { + + this.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY ); + + return this; + + }, + + bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + + this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ); + + return this; + + }, + + splineThru: function ( pts ) { + + this.currentPath.splineThru( pts ); + + return this; + + }, + + toShapes: function ( isCCW, noHoles ) { + + function toShapesNoHoles( inSubpaths ) { + + var shapes = []; + + for ( var i = 0, l = inSubpaths.length; i < l; i ++ ) { + + var tmpPath = inSubpaths[ i ]; + + var tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + + shapes.push( tmpShape ); + + } + + return shapes; + + } + + function isPointInsidePolygon( inPt, inPolygon ) { + + var polyLen = inPolygon.length; + + // inPt on polygon contour => immediate success or + // toggling of inside/outside at every single! intersection point of an edge + // with the horizontal line through inPt, left of inPt + // not counting lowerY endpoints of edges and whole edges on that line + var inside = false; + for ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) { + + var edgeLowPt = inPolygon[ p ]; + var edgeHighPt = inPolygon[ q ]; + + var edgeDx = edgeHighPt.x - edgeLowPt.x; + var edgeDy = edgeHighPt.y - edgeLowPt.y; + + if ( Math.abs( edgeDy ) > Number.EPSILON ) { + + // not parallel + if ( edgeDy < 0 ) { + + edgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx; + edgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy; + + } + if ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) continue; + + if ( inPt.y === edgeLowPt.y ) { + + if ( inPt.x === edgeLowPt.x ) return true; // inPt is on contour ? + // continue; // no intersection or edgeLowPt => doesn't count !!! + + } else { + + var perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y ); + if ( perpEdge === 0 ) return true; // inPt is on contour ? + if ( perpEdge < 0 ) continue; + inside = ! inside; // true intersection left of inPt + + } + + } else { + + // parallel or collinear + if ( inPt.y !== edgeLowPt.y ) continue; // parallel + // edge lies on the same horizontal line as inPt + if ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) || + ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) ) return true; // inPt: Point on contour ! + // continue; + + } + + } + + return inside; + + } + + var isClockWise = ShapeUtils.isClockWise; + + var subPaths = this.subPaths; + if ( subPaths.length === 0 ) return []; + + if ( noHoles === true ) return toShapesNoHoles( subPaths ); + + + var solid, tmpPath, tmpShape, shapes = []; + + if ( subPaths.length === 1 ) { + + tmpPath = subPaths[ 0 ]; + tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + shapes.push( tmpShape ); + return shapes; + + } + + var holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() ); + holesFirst = isCCW ? ! holesFirst : holesFirst; + + // console.log("Holes first", holesFirst); + + var betterShapeHoles = []; + var newShapes = []; + var newShapeHoles = []; + var mainIdx = 0; + var tmpPoints; + + newShapes[ mainIdx ] = undefined; + newShapeHoles[ mainIdx ] = []; + + for ( var i = 0, l = subPaths.length; i < l; i ++ ) { + + tmpPath = subPaths[ i ]; + tmpPoints = tmpPath.getPoints(); + solid = isClockWise( tmpPoints ); + solid = isCCW ? ! solid : solid; + + if ( solid ) { + + if ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) ) mainIdx ++; + + newShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints }; + newShapes[ mainIdx ].s.curves = tmpPath.curves; + + if ( holesFirst ) mainIdx ++; + newShapeHoles[ mainIdx ] = []; + + //console.log('cw', i); + + } else { + + newShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } ); + + //console.log('ccw', i); + + } + + } + + // only Holes? -> probably all Shapes with wrong orientation + if ( ! newShapes[ 0 ] ) return toShapesNoHoles( subPaths ); + + + if ( newShapes.length > 1 ) { + + var ambiguous = false; + var toChange = []; + + for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + + betterShapeHoles[ sIdx ] = []; + + } + + for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + + var sho = newShapeHoles[ sIdx ]; + + for ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) { + + var ho = sho[ hIdx ]; + var hole_unassigned = true; + + for ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) { + + if ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) { + + if ( sIdx !== s2Idx ) toChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } ); + if ( hole_unassigned ) { + + hole_unassigned = false; + betterShapeHoles[ s2Idx ].push( ho ); + + } else { + + ambiguous = true; + + } + + } + + } + if ( hole_unassigned ) { + + betterShapeHoles[ sIdx ].push( ho ); + + } + + } + + } + // console.log("ambiguous: ", ambiguous); + if ( toChange.length > 0 ) { + + // console.log("to change: ", toChange); + if ( ! ambiguous ) newShapeHoles = betterShapeHoles; + + } + + } + + var tmpHoles; + + for ( var i = 0, il = newShapes.length; i < il; i ++ ) { + + tmpShape = newShapes[ i ].s; + shapes.push( tmpShape ); + tmpHoles = newShapeHoles[ i ]; + + for ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) { + + tmpShape.holes.push( tmpHoles[ j ].h ); + + } + + } + + //console.log("shape", shapes); + + return shapes; + + } + +} ); + +/** + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author mrdoob / http://mrdoob.com/ + */ + + +function Font( data ) { + + this.type = 'Font'; + + this.data = data; + +} + +Object.assign( Font.prototype, { + + isFont: true, + + generateShapes: function ( text, size ) { + + if ( size === undefined ) size = 100; + + var shapes = []; + var paths = createPaths( text, size, this.data ); + + for ( var p = 0, pl = paths.length; p < pl; p ++ ) { + + Array.prototype.push.apply( shapes, paths[ p ].toShapes() ); + + } + + return shapes; + + } + +} ); + +function createPaths( text, size, data ) { + + var chars = Array.from ? Array.from( text ) : String( text ).split( '' ); // workaround for IE11, see #13988 + var scale = size / data.resolution; + var line_height = ( data.boundingBox.yMax - data.boundingBox.yMin + data.underlineThickness ) * scale; + + var paths = []; + + var offsetX = 0, offsetY = 0; + + for ( var i = 0; i < chars.length; i ++ ) { + + var char = chars[ i ]; + + if ( char === '\n' ) { + + offsetX = 0; + offsetY -= line_height; + + } else { + + var ret = createPath( char, scale, offsetX, offsetY, data ); + offsetX += ret.offsetX; + paths.push( ret.path ); + + } + + } + + return paths; + +} + +function createPath( char, scale, offsetX, offsetY, data ) { + + var glyph = data.glyphs[ char ] || data.glyphs[ '?' ]; + + if ( ! glyph ) { + + console.error( 'THREE.Font: character "' + char + '" does not exists in font family ' + data.familyName + '.' ); + + return; + + } + + var path = new ShapePath(); + + var x, y, cpx, cpy, cpx1, cpy1, cpx2, cpy2; + + if ( glyph.o ) { + + var outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) ); + + for ( var i = 0, l = outline.length; i < l; ) { + + var action = outline[ i ++ ]; + + switch ( action ) { + + case 'm': // moveTo + + x = outline[ i ++ ] * scale + offsetX; + y = outline[ i ++ ] * scale + offsetY; + + path.moveTo( x, y ); + + break; + + case 'l': // lineTo + + x = outline[ i ++ ] * scale + offsetX; + y = outline[ i ++ ] * scale + offsetY; + + path.lineTo( x, y ); + + break; + + case 'q': // quadraticCurveTo + + cpx = outline[ i ++ ] * scale + offsetX; + cpy = outline[ i ++ ] * scale + offsetY; + cpx1 = outline[ i ++ ] * scale + offsetX; + cpy1 = outline[ i ++ ] * scale + offsetY; + + path.quadraticCurveTo( cpx1, cpy1, cpx, cpy ); + + break; + + case 'b': // bezierCurveTo + + cpx = outline[ i ++ ] * scale + offsetX; + cpy = outline[ i ++ ] * scale + offsetY; + cpx1 = outline[ i ++ ] * scale + offsetX; + cpy1 = outline[ i ++ ] * scale + offsetY; + cpx2 = outline[ i ++ ] * scale + offsetX; + cpy2 = outline[ i ++ ] * scale + offsetY; + + path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy ); + + break; + + } + + } + + } + + return { offsetX: glyph.ha * scale, path: path }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function FontLoader( manager ) { + + Loader.call( this, manager ); + +} + +FontLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: FontLoader, + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.load( url, function ( text ) { + + var json; + + try { + + json = JSON.parse( text ); + + } catch ( e ) { + + console.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' ); + json = JSON.parse( text.substring( 65, text.length - 2 ) ); + + } + + var font = scope.parse( json ); + + if ( onLoad ) onLoad( font ); + + }, onProgress, onError ); + + }, + + parse: function ( json ) { + + return new Font( json ); + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var _context; + +var three_module_AudioContext = { + + getContext: function () { + + if ( _context === undefined ) { + + _context = new ( window.AudioContext || window.webkitAudioContext )(); + + } + + return _context; + + }, + + setContext: function ( value ) { + + _context = value; + + } + +}; + +/** + * @author Reece Aaron Lecrivain / http://reecenotes.com/ + */ + +function AudioLoader( manager ) { + + Loader.call( this, manager ); + +} + +AudioLoader.prototype = Object.assign( Object.create( Loader.prototype ), { + + constructor: AudioLoader, + + load: function ( url, onLoad, onProgress, onError ) { + + var loader = new FileLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + loader.setPath( this.path ); + loader.load( url, function ( buffer ) { + + // Create a copy of the buffer. The `decodeAudioData` method + // detaches the buffer when complete, preventing reuse. + var bufferCopy = buffer.slice( 0 ); + + var context = three_module_AudioContext.getContext(); + context.decodeAudioData( bufferCopy, function ( audioBuffer ) { + + onLoad( audioBuffer ); + + } ); + + }, onProgress, onError ); + + } + +} ); + +/** + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + * + * Primary reference: + * https://graphics.stanford.edu/papers/envmap/envmap.pdf + * + * Secondary reference: + * https://www.ppsloan.org/publications/StupidSH36.pdf + */ + +// 3-band SH defined by 9 coefficients + +function SphericalHarmonics3() { + + this.coefficients = []; + + for ( var i = 0; i < 9; i ++ ) { + + this.coefficients.push( new Vector3() ); + + } + +} + +Object.assign( SphericalHarmonics3.prototype, { + + isSphericalHarmonics3: true, + + set: function ( coefficients ) { + + for ( var i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].copy( coefficients[ i ] ); + + } + + return this; + + }, + + zero: function () { + + for ( var i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].set( 0, 0, 0 ); + + } + + return this; + + }, + + // get the radiance in the direction of the normal + // target is a Vector3 + getAt: function ( normal, target ) { + + // normal is assumed to be unit length + + var x = normal.x, y = normal.y, z = normal.z; + + var coeff = this.coefficients; + + // band 0 + target.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 ); + + // band 1 + target.addScale( coeff[ 1 ], 0.488603 * y ); + target.addScale( coeff[ 2 ], 0.488603 * z ); + target.addScale( coeff[ 3 ], 0.488603 * x ); + + // band 2 + target.addScale( coeff[ 4 ], 1.092548 * ( x * y ) ); + target.addScale( coeff[ 5 ], 1.092548 * ( y * z ) ); + target.addScale( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) ); + target.addScale( coeff[ 7 ], 1.092548 * ( x * z ) ); + target.addScale( coeff[ 8 ], 0.546274 * ( x * x - y * y ) ); + + return target; + + }, + + // get the irradiance (radiance convolved with cosine lobe) in the direction of the normal + // target is a Vector3 + // https://graphics.stanford.edu/papers/envmap/envmap.pdf + getIrradianceAt: function ( normal, target ) { + + // normal is assumed to be unit length + + var x = normal.x, y = normal.y, z = normal.z; + + var coeff = this.coefficients; + + // band 0 + target.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // π * 0.282095 + + // band 1 + target.addScale( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * π / 3 ) * 0.488603 + target.addScale( coeff[ 2 ], 2.0 * 0.511664 * z ); + target.addScale( coeff[ 3 ], 2.0 * 0.511664 * x ); + + // band 2 + target.addScale( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( π / 4 ) * 1.092548 + target.addScale( coeff[ 5 ], 2.0 * 0.429043 * y * z ); + target.addScale( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( π / 4 ) * 0.315392 * 3 + target.addScale( coeff[ 7 ], 2.0 * 0.429043 * x * z ); + target.addScale( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( π / 4 ) * 0.546274 + + return target; + + }, + + add: function ( sh ) { + + for ( var i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].add( sh.coefficients[ i ] ); + + } + + return this; + + }, + + + scale: function ( s ) { + + for ( var i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].multiplyScalar( s ); + + } + + return this; + + }, + + lerp: function ( sh, alpha ) { + + for ( var i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].lerp( sh.coefficients[ i ], alpha ); + + } + + return this; + + }, + + equals: function ( sh ) { + + for ( var i = 0; i < 9; i ++ ) { + + if ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) { + + return false; + + } + + } + + return true; + + }, + + copy: function ( sh ) { + + return this.set( sh.coefficients ); + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + var coefficients = this.coefficients; + + for ( var i = 0; i < 9; i ++ ) { + + coefficients[ i ].fromArray( array, offset + ( i * 3 ) ); + + } + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + var coefficients = this.coefficients; + + for ( var i = 0; i < 9; i ++ ) { + + coefficients[ i ].toArray( array, offset + ( i * 3 ) ); + + } + + return array; + + } + +} ); + +Object.assign( SphericalHarmonics3, { + + // evaluate the basis functions + // shBasis is an Array[ 9 ] + getBasisAt: function ( normal, shBasis ) { + + // normal is assumed to be unit length + + var x = normal.x, y = normal.y, z = normal.z; + + // band 0 + shBasis[ 0 ] = 0.282095; + + // band 1 + shBasis[ 1 ] = 0.488603 * y; + shBasis[ 2 ] = 0.488603 * z; + shBasis[ 3 ] = 0.488603 * x; + + // band 2 + shBasis[ 4 ] = 1.092548 * x * y; + shBasis[ 5 ] = 1.092548 * y * z; + shBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 ); + shBasis[ 7 ] = 1.092548 * x * z; + shBasis[ 8 ] = 0.546274 * ( x * x - y * y ); + + } + +} ); + +/** + * @author WestLangley / http://github.com/WestLangley + * + * A LightProbe is a source of indirect-diffuse light + */ + +function LightProbe( sh, intensity ) { + + Light.call( this, undefined, intensity ); + + this.sh = ( sh !== undefined ) ? sh : new SphericalHarmonics3(); + +} + +LightProbe.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: LightProbe, + + isLightProbe: true, + + copy: function ( source ) { + + Light.prototype.copy.call( this, source ); + + this.sh.copy( source.sh ); + this.intensity = source.intensity; + + return this; + + }, + + toJSON: function ( meta ) { + + var data = Light.prototype.toJSON.call( this, meta ); + + // data.sh = this.sh.toArray(); // todo + + return data; + + } + +} ); + +/** + * @author WestLangley / http://github.com/WestLangley + */ + +function HemisphereLightProbe( skyColor, groundColor, intensity ) { + + LightProbe.call( this, undefined, intensity ); + + var color1 = new Color().set( skyColor ); + var color2 = new Color().set( groundColor ); + + var sky = new Vector3( color1.r, color1.g, color1.b ); + var ground = new Vector3( color2.r, color2.g, color2.b ); + + // without extra factor of PI in the shader, should = 1 / Math.sqrt( Math.PI ); + var c0 = Math.sqrt( Math.PI ); + var c1 = c0 * Math.sqrt( 0.75 ); + + this.sh.coefficients[ 0 ].copy( sky ).add( ground ).multiplyScalar( c0 ); + this.sh.coefficients[ 1 ].copy( sky ).sub( ground ).multiplyScalar( c1 ); + +} + +HemisphereLightProbe.prototype = Object.assign( Object.create( LightProbe.prototype ), { + + constructor: HemisphereLightProbe, + + isHemisphereLightProbe: true, + + copy: function ( source ) { // modifying colors not currently supported + + LightProbe.prototype.copy.call( this, source ); + + return this; + + }, + + toJSON: function ( meta ) { + + var data = LightProbe.prototype.toJSON.call( this, meta ); + + // data.sh = this.sh.toArray(); // todo + + return data; + + } + +} ); + +/** + * @author WestLangley / http://github.com/WestLangley + */ + +function AmbientLightProbe( color, intensity ) { + + LightProbe.call( this, undefined, intensity ); + + var color1 = new Color().set( color ); + + // without extra factor of PI in the shader, would be 2 / Math.sqrt( Math.PI ); + this.sh.coefficients[ 0 ].set( color1.r, color1.g, color1.b ).multiplyScalar( 2 * Math.sqrt( Math.PI ) ); + +} + +AmbientLightProbe.prototype = Object.assign( Object.create( LightProbe.prototype ), { + + constructor: AmbientLightProbe, + + isAmbientLightProbe: true, + + copy: function ( source ) { // modifying color not currently supported + + LightProbe.prototype.copy.call( this, source ); + + return this; + + }, + + toJSON: function ( meta ) { + + var data = LightProbe.prototype.toJSON.call( this, meta ); + + // data.sh = this.sh.toArray(); // todo + + return data; + + } + +} ); + +var _eyeRight = new Matrix4(); +var _eyeLeft = new Matrix4(); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function StereoCamera() { + + this.type = 'StereoCamera'; + + this.aspect = 1; + + this.eyeSep = 0.064; + + this.cameraL = new PerspectiveCamera(); + this.cameraL.layers.enable( 1 ); + this.cameraL.matrixAutoUpdate = false; + + this.cameraR = new PerspectiveCamera(); + this.cameraR.layers.enable( 2 ); + this.cameraR.matrixAutoUpdate = false; + + this._cache = { + focus: null, + fov: null, + aspect: null, + near: null, + far: null, + zoom: null, + eyeSep: null + }; + +} + +Object.assign( StereoCamera.prototype, { + + update: function ( camera ) { + + var cache = this._cache; + + var needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov || + cache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near || + cache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep; + + if ( needsUpdate ) { + + cache.focus = camera.focus; + cache.fov = camera.fov; + cache.aspect = camera.aspect * this.aspect; + cache.near = camera.near; + cache.far = camera.far; + cache.zoom = camera.zoom; + cache.eyeSep = this.eyeSep; + + // Off-axis stereoscopic effect based on + // http://paulbourke.net/stereographics/stereorender/ + + var projectionMatrix = camera.projectionMatrix.clone(); + var eyeSepHalf = cache.eyeSep / 2; + var eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus; + var ymax = ( cache.near * Math.tan( MathUtils.DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom; + var xmin, xmax; + + // translate xOffset + + _eyeLeft.elements[ 12 ] = - eyeSepHalf; + _eyeRight.elements[ 12 ] = eyeSepHalf; + + // for left eye + + xmin = - ymax * cache.aspect + eyeSepOnProjection; + xmax = ymax * cache.aspect + eyeSepOnProjection; + + projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin ); + projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + + this.cameraL.projectionMatrix.copy( projectionMatrix ); + + // for right eye + + xmin = - ymax * cache.aspect - eyeSepOnProjection; + xmax = ymax * cache.aspect - eyeSepOnProjection; + + projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin ); + projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + + this.cameraR.projectionMatrix.copy( projectionMatrix ); + + } + + this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft ); + this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight ); + + } + +} ); + +/** + * @author alteredq / http://alteredqualia.com/ + */ + +function Clock( autoStart ) { + + this.autoStart = ( autoStart !== undefined ) ? autoStart : true; + + this.startTime = 0; + this.oldTime = 0; + this.elapsedTime = 0; + + this.running = false; + +} + +Object.assign( Clock.prototype, { + + start: function () { + + this.startTime = ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732 + + this.oldTime = this.startTime; + this.elapsedTime = 0; + this.running = true; + + }, + + stop: function () { + + this.getElapsedTime(); + this.running = false; + this.autoStart = false; + + }, + + getElapsedTime: function () { + + this.getDelta(); + return this.elapsedTime; + + }, + + getDelta: function () { + + var diff = 0; + + if ( this.autoStart && ! this.running ) { + + this.start(); + return 0; + + } + + if ( this.running ) { + + var newTime = ( typeof performance === 'undefined' ? Date : performance ).now(); + + diff = ( newTime - this.oldTime ) / 1000; + this.oldTime = newTime; + + this.elapsedTime += diff; + + } + + return diff; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var _position$2 = new Vector3(); +var _quaternion$3 = new Quaternion(); +var _scale$1 = new Vector3(); +var _orientation = new Vector3(); + +function AudioListener() { + + Object3D.call( this ); + + this.type = 'AudioListener'; + + this.context = three_module_AudioContext.getContext(); + + this.gain = this.context.createGain(); + this.gain.connect( this.context.destination ); + + this.filter = null; + + this.timeDelta = 0; + + // private + + this._clock = new Clock(); + +} + +AudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: AudioListener, + + getInput: function () { + + return this.gain; + + }, + + removeFilter: function ( ) { + + if ( this.filter !== null ) { + + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + this.gain.connect( this.context.destination ); + this.filter = null; + + } + + return this; + + }, + + getFilter: function () { + + return this.filter; + + }, + + setFilter: function ( value ) { + + if ( this.filter !== null ) { + + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + + } else { + + this.gain.disconnect( this.context.destination ); + + } + + this.filter = value; + this.gain.connect( this.filter ); + this.filter.connect( this.context.destination ); + + return this; + + }, + + getMasterVolume: function () { + + return this.gain.gain.value; + + }, + + setMasterVolume: function ( value ) { + + this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 ); + + return this; + + }, + + updateMatrixWorld: function ( force ) { + + Object3D.prototype.updateMatrixWorld.call( this, force ); + + var listener = this.context.listener; + var up = this.up; + + this.timeDelta = this._clock.getDelta(); + + this.matrixWorld.decompose( _position$2, _quaternion$3, _scale$1 ); + + _orientation.set( 0, 0, - 1 ).applyQuaternion( _quaternion$3 ); + + if ( listener.positionX ) { + + // code path for Chrome (see #14393) + + var endTime = this.context.currentTime + this.timeDelta; + + listener.positionX.linearRampToValueAtTime( _position$2.x, endTime ); + listener.positionY.linearRampToValueAtTime( _position$2.y, endTime ); + listener.positionZ.linearRampToValueAtTime( _position$2.z, endTime ); + listener.forwardX.linearRampToValueAtTime( _orientation.x, endTime ); + listener.forwardY.linearRampToValueAtTime( _orientation.y, endTime ); + listener.forwardZ.linearRampToValueAtTime( _orientation.z, endTime ); + listener.upX.linearRampToValueAtTime( up.x, endTime ); + listener.upY.linearRampToValueAtTime( up.y, endTime ); + listener.upZ.linearRampToValueAtTime( up.z, endTime ); + + } else { + + listener.setPosition( _position$2.x, _position$2.y, _position$2.z ); + listener.setOrientation( _orientation.x, _orientation.y, _orientation.z, up.x, up.y, up.z ); + + } + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author Reece Aaron Lecrivain / http://reecenotes.com/ + */ + +function Audio( listener ) { + + Object3D.call( this ); + + this.type = 'Audio'; + + this.listener = listener; + this.context = listener.context; + + this.gain = this.context.createGain(); + this.gain.connect( listener.getInput() ); + + this.autoplay = false; + + this.buffer = null; + this.detune = 0; + this.loop = false; + this.loopStart = 0; + this.loopEnd = 0; + this.offset = 0; + this.duration = undefined; + this.playbackRate = 1; + this.isPlaying = false; + this.hasPlaybackControl = true; + this.sourceType = 'empty'; + + this._startedAt = 0; + this._pausedAt = 0; + + this.filters = []; + +} + +Audio.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Audio, + + getOutput: function () { + + return this.gain; + + }, + + setNodeSource: function ( audioNode ) { + + this.hasPlaybackControl = false; + this.sourceType = 'audioNode'; + this.source = audioNode; + this.connect(); + + return this; + + }, + + setMediaElementSource: function ( mediaElement ) { + + this.hasPlaybackControl = false; + this.sourceType = 'mediaNode'; + this.source = this.context.createMediaElementSource( mediaElement ); + this.connect(); + + return this; + + }, + + setMediaStreamSource: function ( mediaStream ) { + + this.hasPlaybackControl = false; + this.sourceType = 'mediaStreamNode'; + this.source = this.context.createMediaStreamSource( mediaStream ); + this.connect(); + + return this; + + }, + + setBuffer: function ( audioBuffer ) { + + this.buffer = audioBuffer; + this.sourceType = 'buffer'; + + if ( this.autoplay ) this.play(); + + return this; + + }, + + play: function ( delay ) { + + if ( delay === undefined ) delay = 0; + + if ( this.isPlaying === true ) { + + console.warn( 'THREE.Audio: Audio is already playing.' ); + return; + + } + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this._startedAt = this.context.currentTime + delay; + + var source = this.context.createBufferSource(); + source.buffer = this.buffer; + source.loop = this.loop; + source.loopStart = this.loopStart; + source.loopEnd = this.loopEnd; + source.onended = this.onEnded.bind( this ); + source.start( this._startedAt, this._pausedAt + this.offset, this.duration ); + + this.isPlaying = true; + + this.source = source; + + this.setDetune( this.detune ); + this.setPlaybackRate( this.playbackRate ); + + return this.connect(); + + }, + + pause: function () { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + if ( this.isPlaying === true ) { + + this._pausedAt += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate; + + this.source.stop(); + this.source.onended = null; + + this.isPlaying = false; + + } + + return this; + + }, + + stop: function () { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this._pausedAt = 0; + + this.source.stop(); + this.source.onended = null; + this.isPlaying = false; + + return this; + + }, + + connect: function () { + + if ( this.filters.length > 0 ) { + + this.source.connect( this.filters[ 0 ] ); + + for ( var i = 1, l = this.filters.length; i < l; i ++ ) { + + this.filters[ i - 1 ].connect( this.filters[ i ] ); + + } + + this.filters[ this.filters.length - 1 ].connect( this.getOutput() ); + + } else { + + this.source.connect( this.getOutput() ); + + } + + return this; + + }, + + disconnect: function () { + + if ( this.filters.length > 0 ) { + + this.source.disconnect( this.filters[ 0 ] ); + + for ( var i = 1, l = this.filters.length; i < l; i ++ ) { + + this.filters[ i - 1 ].disconnect( this.filters[ i ] ); + + } + + this.filters[ this.filters.length - 1 ].disconnect( this.getOutput() ); + + } else { + + this.source.disconnect( this.getOutput() ); + + } + + return this; + + }, + + getFilters: function () { + + return this.filters; + + }, + + setFilters: function ( value ) { + + if ( ! value ) value = []; + + if ( this.isPlaying === true ) { + + this.disconnect(); + this.filters = value; + this.connect(); + + } else { + + this.filters = value; + + } + + return this; + + }, + + setDetune: function ( value ) { + + this.detune = value; + + if ( this.source.detune === undefined ) return; // only set detune when available + + if ( this.isPlaying === true ) { + + this.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 ); + + } + + return this; + + }, + + getDetune: function () { + + return this.detune; + + }, + + getFilter: function () { + + return this.getFilters()[ 0 ]; + + }, + + setFilter: function ( filter ) { + + return this.setFilters( filter ? [ filter ] : [] ); + + }, + + setPlaybackRate: function ( value ) { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this.playbackRate = value; + + if ( this.isPlaying === true ) { + + this.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 ); + + } + + return this; + + }, + + getPlaybackRate: function () { + + return this.playbackRate; + + }, + + onEnded: function () { + + this.isPlaying = false; + + }, + + getLoop: function () { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return false; + + } + + return this.loop; + + }, + + setLoop: function ( value ) { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this.loop = value; + + if ( this.isPlaying === true ) { + + this.source.loop = this.loop; + + } + + return this; + + }, + + setLoopStart: function ( value ) { + + this.loopStart = value; + + return this; + + }, + + setLoopEnd: function ( value ) { + + this.loopEnd = value; + + return this; + + }, + + getVolume: function () { + + return this.gain.gain.value; + + }, + + setVolume: function ( value ) { + + this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 ); + + return this; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var _position$3 = new Vector3(); +var _quaternion$4 = new Quaternion(); +var _scale$2 = new Vector3(); +var _orientation$1 = new Vector3(); + +function PositionalAudio( listener ) { + + Audio.call( this, listener ); + + this.panner = this.context.createPanner(); + this.panner.panningModel = 'HRTF'; + this.panner.connect( this.gain ); + +} + +PositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), { + + constructor: PositionalAudio, + + getOutput: function () { + + return this.panner; + + }, + + getRefDistance: function () { + + return this.panner.refDistance; + + }, + + setRefDistance: function ( value ) { + + this.panner.refDistance = value; + + return this; + + }, + + getRolloffFactor: function () { + + return this.panner.rolloffFactor; + + }, + + setRolloffFactor: function ( value ) { + + this.panner.rolloffFactor = value; + + return this; + + }, + + getDistanceModel: function () { + + return this.panner.distanceModel; + + }, + + setDistanceModel: function ( value ) { + + this.panner.distanceModel = value; + + return this; + + }, + + getMaxDistance: function () { + + return this.panner.maxDistance; + + }, + + setMaxDistance: function ( value ) { + + this.panner.maxDistance = value; + + return this; + + }, + + setDirectionalCone: function ( coneInnerAngle, coneOuterAngle, coneOuterGain ) { + + this.panner.coneInnerAngle = coneInnerAngle; + this.panner.coneOuterAngle = coneOuterAngle; + this.panner.coneOuterGain = coneOuterGain; + + return this; + + }, + + updateMatrixWorld: function ( force ) { + + Object3D.prototype.updateMatrixWorld.call( this, force ); + + if ( this.hasPlaybackControl === true && this.isPlaying === false ) return; + + this.matrixWorld.decompose( _position$3, _quaternion$4, _scale$2 ); + + _orientation$1.set( 0, 0, 1 ).applyQuaternion( _quaternion$4 ); + + var panner = this.panner; + + if ( panner.positionX ) { + + // code path for Chrome and Firefox (see #14393) + + var endTime = this.context.currentTime + this.listener.timeDelta; + + panner.positionX.linearRampToValueAtTime( _position$3.x, endTime ); + panner.positionY.linearRampToValueAtTime( _position$3.y, endTime ); + panner.positionZ.linearRampToValueAtTime( _position$3.z, endTime ); + panner.orientationX.linearRampToValueAtTime( _orientation$1.x, endTime ); + panner.orientationY.linearRampToValueAtTime( _orientation$1.y, endTime ); + panner.orientationZ.linearRampToValueAtTime( _orientation$1.z, endTime ); + + } else { + + panner.setPosition( _position$3.x, _position$3.y, _position$3.z ); + panner.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z ); + + } + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function AudioAnalyser( audio, fftSize ) { + + this.analyser = audio.context.createAnalyser(); + this.analyser.fftSize = fftSize !== undefined ? fftSize : 2048; + + this.data = new Uint8Array( this.analyser.frequencyBinCount ); + + audio.getOutput().connect( this.analyser ); + +} + +Object.assign( AudioAnalyser.prototype, { + + getFrequencyData: function () { + + this.analyser.getByteFrequencyData( this.data ); + + return this.data; + + }, + + getAverageFrequency: function () { + + var value = 0, data = this.getFrequencyData(); + + for ( var i = 0; i < data.length; i ++ ) { + + value += data[ i ]; + + } + + return value / data.length; + + } + +} ); + +/** + * + * Buffered scene graph property that allows weighted accumulation. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + +function PropertyMixer( binding, typeName, valueSize ) { + + this.binding = binding; + this.valueSize = valueSize; + + var bufferType = Float64Array, + mixFunction; + + switch ( typeName ) { + + case 'quaternion': + mixFunction = this._slerp; + break; + + case 'string': + case 'bool': + bufferType = Array; + mixFunction = this._select; + break; + + default: + mixFunction = this._lerp; + + } + + this.buffer = new bufferType( valueSize * 4 ); + // layout: [ incoming | accu0 | accu1 | orig ] + // + // interpolators can use .buffer as their .result + // the data then goes to 'incoming' + // + // 'accu0' and 'accu1' are used frame-interleaved for + // the cumulative result and are compared to detect + // changes + // + // 'orig' stores the original state of the property + + this._mixBufferRegion = mixFunction; + + this.cumulativeWeight = 0; + + this.useCount = 0; + this.referenceCount = 0; + +} + +Object.assign( PropertyMixer.prototype, { + + // accumulate data in the 'incoming' region into 'accu' + accumulate: function ( accuIndex, weight ) { + + // note: happily accumulating nothing when weight = 0, the caller knows + // the weight and shouldn't have made the call in the first place + + var buffer = this.buffer, + stride = this.valueSize, + offset = accuIndex * stride + stride, + + currentWeight = this.cumulativeWeight; + + if ( currentWeight === 0 ) { + + // accuN := incoming * weight + + for ( var i = 0; i !== stride; ++ i ) { + + buffer[ offset + i ] = buffer[ i ]; + + } + + currentWeight = weight; + + } else { + + // accuN := accuN + incoming * weight + + currentWeight += weight; + var mix = weight / currentWeight; + this._mixBufferRegion( buffer, offset, 0, mix, stride ); + + } + + this.cumulativeWeight = currentWeight; + + }, + + // apply the state of 'accu' to the binding when accus differ + apply: function ( accuIndex ) { + + var stride = this.valueSize, + buffer = this.buffer, + offset = accuIndex * stride + stride, + + weight = this.cumulativeWeight, + + binding = this.binding; + + this.cumulativeWeight = 0; + + if ( weight < 1 ) { + + // accuN := accuN + original * ( 1 - cumulativeWeight ) + + var originalValueOffset = stride * 3; + + this._mixBufferRegion( + buffer, offset, originalValueOffset, 1 - weight, stride ); + + } + + for ( var i = stride, e = stride + stride; i !== e; ++ i ) { + + if ( buffer[ i ] !== buffer[ i + stride ] ) { + + // value has changed -> update scene graph + + binding.setValue( buffer, offset ); + break; + + } + + } + + }, + + // remember the state of the bound property and copy it to both accus + saveOriginalState: function () { + + var binding = this.binding; + + var buffer = this.buffer, + stride = this.valueSize, + + originalValueOffset = stride * 3; + + binding.getValue( buffer, originalValueOffset ); + + // accu[0..1] := orig -- initially detect changes against the original + for ( var i = stride, e = originalValueOffset; i !== e; ++ i ) { + + buffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ]; + + } + + this.cumulativeWeight = 0; + + }, + + // apply the state previously taken via 'saveOriginalState' to the binding + restoreOriginalState: function () { + + var originalValueOffset = this.valueSize * 3; + this.binding.setValue( this.buffer, originalValueOffset ); + + }, + + + // mix functions + + _select: function ( buffer, dstOffset, srcOffset, t, stride ) { + + if ( t >= 0.5 ) { + + for ( var i = 0; i !== stride; ++ i ) { + + buffer[ dstOffset + i ] = buffer[ srcOffset + i ]; + + } + + } + + }, + + _slerp: function ( buffer, dstOffset, srcOffset, t ) { + + Quaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t ); + + }, + + _lerp: function ( buffer, dstOffset, srcOffset, t, stride ) { + + var s = 1 - t; + + for ( var i = 0; i !== stride; ++ i ) { + + var j = dstOffset + i; + + buffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t; + + } + + } + +} ); + +/** + * + * A reference to a real property in the scene graph. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + +// Characters [].:/ are reserved for track binding syntax. +var _RESERVED_CHARS_RE = '\\[\\]\\.:\\/'; +var _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' ); + +// Attempts to allow node names from any language. ES5's `\w` regexp matches +// only latin characters, and the unicode \p{L} is not yet supported. So +// instead, we exclude reserved characters and match everything else. +var _wordChar = '[^' + _RESERVED_CHARS_RE + ']'; +var _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\.', '' ) + ']'; + +// Parent directories, delimited by '/' or ':'. Currently unused, but must +// be matched to parse the rest of the track name. +var _directoryRe = /((?:WC+[\/:])*)/.source.replace( 'WC', _wordChar ); + +// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'. +var _nodeRe = /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot ); + +// Object on target node, and accessor. May not contain reserved +// characters. Accessor may contain any character except closing bracket. +var _objectRe = /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace( 'WC', _wordChar ); + +// Property and accessor. May not contain reserved characters. Accessor may +// contain any non-bracket characters. +var _propertyRe = /\.(WC+)(?:\[(.+)\])?/.source.replace( 'WC', _wordChar ); + +var _trackRe = new RegExp( '' + + '^' + + _directoryRe + + _nodeRe + + _objectRe + + _propertyRe + + '$' +); + +var _supportedObjectNames = [ 'material', 'materials', 'bones' ]; + +function Composite( targetGroup, path, optionalParsedPath ) { + + var parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path ); + + this._targetGroup = targetGroup; + this._bindings = targetGroup.subscribe_( path, parsedPath ); + +} + +Object.assign( Composite.prototype, { + + getValue: function ( array, offset ) { + + this.bind(); // bind all binding + + var firstValidIndex = this._targetGroup.nCachedObjects_, + binding = this._bindings[ firstValidIndex ]; + + // and only call .getValue on the first + if ( binding !== undefined ) binding.getValue( array, offset ); + + }, + + setValue: function ( array, offset ) { + + var bindings = this._bindings; + + for ( var i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].setValue( array, offset ); + + } + + }, + + bind: function () { + + var bindings = this._bindings; + + for ( var i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].bind(); + + } + + }, + + unbind: function () { + + var bindings = this._bindings; + + for ( var i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].unbind(); + + } + + } + +} ); + + +function PropertyBinding( rootNode, path, parsedPath ) { + + this.path = path; + this.parsedPath = parsedPath || PropertyBinding.parseTrackName( path ); + + this.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ) || rootNode; + + this.rootNode = rootNode; + +} + +Object.assign( PropertyBinding, { + + Composite: Composite, + + create: function ( root, path, parsedPath ) { + + if ( ! ( root && root.isAnimationObjectGroup ) ) { + + return new PropertyBinding( root, path, parsedPath ); + + } else { + + return new PropertyBinding.Composite( root, path, parsedPath ); + + } + + }, + + /** + * Replaces spaces with underscores and removes unsupported characters from + * node names, to ensure compatibility with parseTrackName(). + * + * @param {string} name Node name to be sanitized. + * @return {string} + */ + sanitizeNodeName: function ( name ) { + + return name.replace( /\s/g, '_' ).replace( _reservedRe, '' ); + + }, + + parseTrackName: function ( trackName ) { + + var matches = _trackRe.exec( trackName ); + + if ( ! matches ) { + + throw new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName ); + + } + + var results = { + // directoryName: matches[ 1 ], // (tschw) currently unused + nodeName: matches[ 2 ], + objectName: matches[ 3 ], + objectIndex: matches[ 4 ], + propertyName: matches[ 5 ], // required + propertyIndex: matches[ 6 ] + }; + + var lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' ); + + if ( lastDot !== undefined && lastDot !== - 1 ) { + + var objectName = results.nodeName.substring( lastDot + 1 ); + + // Object names must be checked against a whitelist. Otherwise, there + // is no way to parse 'foo.bar.baz': 'baz' must be a property, but + // 'bar' could be the objectName, or part of a nodeName (which can + // include '.' characters). + if ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) { + + results.nodeName = results.nodeName.substring( 0, lastDot ); + results.objectName = objectName; + + } + + } + + if ( results.propertyName === null || results.propertyName.length === 0 ) { + + throw new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName ); + + } + + return results; + + }, + + findNode: function ( root, nodeName ) { + + if ( ! nodeName || nodeName === "" || nodeName === "." || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) { + + return root; + + } + + // search into skeleton bones. + if ( root.skeleton ) { + + var bone = root.skeleton.getBoneByName( nodeName ); + + if ( bone !== undefined ) { + + return bone; + + } + + } + + // search into node subtree. + if ( root.children ) { + + var searchNodeSubtree = function ( children ) { + + for ( var i = 0; i < children.length; i ++ ) { + + var childNode = children[ i ]; + + if ( childNode.name === nodeName || childNode.uuid === nodeName ) { + + return childNode; + + } + + var result = searchNodeSubtree( childNode.children ); + + if ( result ) return result; + + } + + return null; + + }; + + var subTreeNode = searchNodeSubtree( root.children ); + + if ( subTreeNode ) { + + return subTreeNode; + + } + + } + + return null; + + } + +} ); + +Object.assign( PropertyBinding.prototype, { // prototype, continued + + // these are used to "bind" a nonexistent property + _getValue_unavailable: function () {}, + _setValue_unavailable: function () {}, + + BindingType: { + Direct: 0, + EntireArray: 1, + ArrayElement: 2, + HasFromToArray: 3 + }, + + Versioning: { + None: 0, + NeedsUpdate: 1, + MatrixWorldNeedsUpdate: 2 + }, + + GetterByBindingType: [ + + function getValue_direct( buffer, offset ) { + + buffer[ offset ] = this.node[ this.propertyName ]; + + }, + + function getValue_array( buffer, offset ) { + + var source = this.resolvedProperty; + + for ( var i = 0, n = source.length; i !== n; ++ i ) { + + buffer[ offset ++ ] = source[ i ]; + + } + + }, + + function getValue_arrayElement( buffer, offset ) { + + buffer[ offset ] = this.resolvedProperty[ this.propertyIndex ]; + + }, + + function getValue_toArray( buffer, offset ) { + + this.resolvedProperty.toArray( buffer, offset ); + + } + + ], + + SetterByBindingTypeAndVersioning: [ + + [ + // Direct + + function setValue_direct( buffer, offset ) { + + this.targetObject[ this.propertyName ] = buffer[ offset ]; + + }, + + function setValue_direct_setNeedsUpdate( buffer, offset ) { + + this.targetObject[ this.propertyName ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; + + }, + + function setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.targetObject[ this.propertyName ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + ], [ + + // EntireArray + + function setValue_array( buffer, offset ) { + + var dest = this.resolvedProperty; + + for ( var i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + }, + + function setValue_array_setNeedsUpdate( buffer, offset ) { + + var dest = this.resolvedProperty; + + for ( var i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + this.targetObject.needsUpdate = true; + + }, + + function setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) { + + var dest = this.resolvedProperty; + + for ( var i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + ], [ + + // ArrayElement + + function setValue_arrayElement( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + + }, + + function setValue_arrayElement_setNeedsUpdate( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; + + }, + + function setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + ], [ + + // HasToFromArray + + function setValue_fromArray( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + + }, + + function setValue_fromArray_setNeedsUpdate( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.needsUpdate = true; + + }, + + function setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + ] + + ], + + getValue: function getValue_unbound( targetArray, offset ) { + + this.bind(); + this.getValue( targetArray, offset ); + + // Note: This class uses a State pattern on a per-method basis: + // 'bind' sets 'this.getValue' / 'setValue' and shadows the + // prototype version of these methods with one that represents + // the bound state. When the property is not found, the methods + // become no-ops. + + }, + + setValue: function getValue_unbound( sourceArray, offset ) { + + this.bind(); + this.setValue( sourceArray, offset ); + + }, + + // create getter / setter pair for a property in the scene graph + bind: function () { + + var targetObject = this.node, + parsedPath = this.parsedPath, + + objectName = parsedPath.objectName, + propertyName = parsedPath.propertyName, + propertyIndex = parsedPath.propertyIndex; + + if ( ! targetObject ) { + + targetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ) || this.rootNode; + + this.node = targetObject; + + } + + // set fail state so we can just 'return' on error + this.getValue = this._getValue_unavailable; + this.setValue = this._setValue_unavailable; + + // ensure there is a value node + if ( ! targetObject ) { + + console.error( 'THREE.PropertyBinding: Trying to update node for track: ' + this.path + ' but it wasn\'t found.' ); + return; + + } + + if ( objectName ) { + + var objectIndex = parsedPath.objectIndex; + + // special cases were we need to reach deeper into the hierarchy to get the face materials.... + switch ( objectName ) { + + case 'materials': + + if ( ! targetObject.material ) { + + console.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this ); + return; + + } + + if ( ! targetObject.material.materials ) { + + console.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this ); + return; + + } + + targetObject = targetObject.material.materials; + + break; + + case 'bones': + + if ( ! targetObject.skeleton ) { + + console.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this ); + return; + + } + + // potential future optimization: skip this if propertyIndex is already an integer + // and convert the integer string to a true integer. + + targetObject = targetObject.skeleton.bones; + + // support resolving morphTarget names into indices. + for ( var i = 0; i < targetObject.length; i ++ ) { + + if ( targetObject[ i ].name === objectIndex ) { + + objectIndex = i; + break; + + } + + } + + break; + + default: + + if ( targetObject[ objectName ] === undefined ) { + + console.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this ); + return; + + } + + targetObject = targetObject[ objectName ]; + + } + + + if ( objectIndex !== undefined ) { + + if ( targetObject[ objectIndex ] === undefined ) { + + console.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject ); + return; + + } + + targetObject = targetObject[ objectIndex ]; + + } + + } + + // resolve property + var nodeProperty = targetObject[ propertyName ]; + + if ( nodeProperty === undefined ) { + + var nodeName = parsedPath.nodeName; + + console.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName + + '.' + propertyName + ' but it wasn\'t found.', targetObject ); + return; + + } + + // determine versioning scheme + var versioning = this.Versioning.None; + + this.targetObject = targetObject; + + if ( targetObject.needsUpdate !== undefined ) { // material + + versioning = this.Versioning.NeedsUpdate; + + } else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform + + versioning = this.Versioning.MatrixWorldNeedsUpdate; + + } + + // determine how the property gets bound + var bindingType = this.BindingType.Direct; + + if ( propertyIndex !== undefined ) { + + // access a sub element of the property array (only primitives are supported right now) + + if ( propertyName === "morphTargetInfluences" ) { + + // potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer. + + // support resolving morphTarget names into indices. + if ( ! targetObject.geometry ) { + + console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this ); + return; + + } + + if ( targetObject.geometry.isBufferGeometry ) { + + if ( ! targetObject.geometry.morphAttributes ) { + + console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this ); + return; + + } + + for ( var i = 0; i < this.node.geometry.morphAttributes.position.length; i ++ ) { + + if ( targetObject.geometry.morphAttributes.position[ i ].name === propertyIndex ) { + + propertyIndex = i; + break; + + } + + } + + + } else { + + if ( ! targetObject.geometry.morphTargets ) { + + console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphTargets.', this ); + return; + + } + + for ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) { + + if ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) { + + propertyIndex = i; + break; + + } + + } + + } + + } + + bindingType = this.BindingType.ArrayElement; + + this.resolvedProperty = nodeProperty; + this.propertyIndex = propertyIndex; + + } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) { + + // must use copy for Object3D.Euler/Quaternion + + bindingType = this.BindingType.HasFromToArray; + + this.resolvedProperty = nodeProperty; + + } else if ( Array.isArray( nodeProperty ) ) { + + bindingType = this.BindingType.EntireArray; + + this.resolvedProperty = nodeProperty; + + } else { + + this.propertyName = propertyName; + + } + + // select getter / setter + this.getValue = this.GetterByBindingType[ bindingType ]; + this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ]; + + }, + + unbind: function () { + + this.node = null; + + // back to the prototype version of getValue / setValue + // note: avoiding to mutate the shape of 'this' via 'delete' + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + + } + +} ); + +//!\ DECLARE ALIAS AFTER assign prototype ! +Object.assign( PropertyBinding.prototype, { + + // initial state of these methods that calls 'bind' + _getValue_unbound: PropertyBinding.prototype.getValue, + _setValue_unbound: PropertyBinding.prototype.setValue, + +} ); + +/** + * + * A group of objects that receives a shared animation state. + * + * Usage: + * + * - Add objects you would otherwise pass as 'root' to the + * constructor or the .clipAction method of AnimationMixer. + * + * - Instead pass this object as 'root'. + * + * - You can also add and remove objects later when the mixer + * is running. + * + * Note: + * + * Objects of this class appear as one object to the mixer, + * so cache control of the individual objects must be done + * on the group. + * + * Limitation: + * + * - The animated properties must be compatible among the + * all objects in the group. + * + * - A single property can either be controlled through a + * target group or directly, but not both. + * + * @author tschw + */ + +function AnimationObjectGroup() { + + this.uuid = MathUtils.generateUUID(); + + // cached objects followed by the active ones + this._objects = Array.prototype.slice.call( arguments ); + + this.nCachedObjects_ = 0; // threshold + // note: read by PropertyBinding.Composite + + var indices = {}; + this._indicesByUUID = indices; // for bookkeeping + + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + + indices[ arguments[ i ].uuid ] = i; + + } + + this._paths = []; // inside: string + this._parsedPaths = []; // inside: { we don't care, here } + this._bindings = []; // inside: Array< PropertyBinding > + this._bindingsIndicesByPath = {}; // inside: indices in these arrays + + var scope = this; + + this.stats = { + + objects: { + get total() { + + return scope._objects.length; + + }, + get inUse() { + + return this.total - scope.nCachedObjects_; + + } + }, + get bindingsPerObject() { + + return scope._bindings.length; + + } + + }; + +} + +Object.assign( AnimationObjectGroup.prototype, { + + isAnimationObjectGroup: true, + + add: function () { + + var objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + nBindings = bindings.length, + knownObject = undefined; + + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + + if ( index === undefined ) { + + // unknown object -> add it to the ACTIVE region + + index = nObjects ++; + indicesByUUID[ uuid ] = index; + objects.push( object ); + + // accounting is done, now do the same for all bindings + + for ( var j = 0, m = nBindings; j !== m; ++ j ) { + + bindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) ); + + } + + } else if ( index < nCachedObjects ) { + + knownObject = objects[ index ]; + + // move existing object to the ACTIVE region + + var firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ]; + + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; + + indicesByUUID[ uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = object; + + // accounting is done, now do the same for all bindings + + for ( var j = 0, m = nBindings; j !== m; ++ j ) { + + var bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ], + binding = bindingsForPath[ index ]; + + bindingsForPath[ index ] = lastCached; + + if ( binding === undefined ) { + + // since we do not bother to create new bindings + // for objects that are cached, the binding may + // or may not exist + + binding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ); + + } + + bindingsForPath[ firstActiveIndex ] = binding; + + } + + } else if ( objects[ index ] !== knownObject ) { + + console.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' + + 'detected. Clean the caches or recreate your infrastructure when reloading scenes.' ); + + } // else the object is already where we want it to be + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + }, + + remove: function () { + + var objects = this._objects, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; + + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + + if ( index !== undefined && index >= nCachedObjects ) { + + // move existing object into the CACHED region + + var lastCachedIndex = nCachedObjects ++, + firstActiveObject = objects[ lastCachedIndex ]; + + indicesByUUID[ firstActiveObject.uuid ] = index; + objects[ index ] = firstActiveObject; + + indicesByUUID[ uuid ] = lastCachedIndex; + objects[ lastCachedIndex ] = object; + + // accounting is done, now do the same for all bindings + + for ( var j = 0, m = nBindings; j !== m; ++ j ) { + + var bindingsForPath = bindings[ j ], + firstActive = bindingsForPath[ lastCachedIndex ], + binding = bindingsForPath[ index ]; + + bindingsForPath[ index ] = firstActive; + bindingsForPath[ lastCachedIndex ] = binding; + + } + + } + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + }, + + // remove & forget + uncache: function () { + + var objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; + + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + + if ( index !== undefined ) { + + delete indicesByUUID[ uuid ]; + + if ( index < nCachedObjects ) { + + // object is cached, shrink the CACHED region + + var firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ], + lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; + + // last cached object takes this object's place + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; + + // last object goes to the activated slot and pop + indicesByUUID[ lastObject.uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = lastObject; + objects.pop(); + + // accounting is done, now do the same for all bindings + + for ( var j = 0, m = nBindings; j !== m; ++ j ) { + + var bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ], + last = bindingsForPath[ lastIndex ]; + + bindingsForPath[ index ] = lastCached; + bindingsForPath[ firstActiveIndex ] = last; + bindingsForPath.pop(); + + } + + } else { + + // object is active, just swap with the last and pop + + var lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; + + indicesByUUID[ lastObject.uuid ] = index; + objects[ index ] = lastObject; + objects.pop(); + + // accounting is done, now do the same for all bindings + + for ( var j = 0, m = nBindings; j !== m; ++ j ) { + + var bindingsForPath = bindings[ j ]; + + bindingsForPath[ index ] = bindingsForPath[ lastIndex ]; + bindingsForPath.pop(); + + } + + } // cached or active + + } // if object is known + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + }, + + // Internal interface used by befriended PropertyBinding.Composite: + + subscribe_: function ( path, parsedPath ) { + + // returns an array of bindings for the given path that is changed + // according to the contained objects in the group + + var indicesByPath = this._bindingsIndicesByPath, + index = indicesByPath[ path ], + bindings = this._bindings; + + if ( index !== undefined ) return bindings[ index ]; + + var paths = this._paths, + parsedPaths = this._parsedPaths, + objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + bindingsForPath = new Array( nObjects ); + + index = bindings.length; + + indicesByPath[ path ] = index; + + paths.push( path ); + parsedPaths.push( parsedPath ); + bindings.push( bindingsForPath ); + + for ( var i = nCachedObjects, n = objects.length; i !== n; ++ i ) { + + var object = objects[ i ]; + bindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath ); + + } + + return bindingsForPath; + + }, + + unsubscribe_: function ( path ) { + + // tells the group to forget about a property path and no longer + // update the array previously obtained with 'subscribe_' + + var indicesByPath = this._bindingsIndicesByPath, + index = indicesByPath[ path ]; + + if ( index !== undefined ) { + + var paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + lastBindingsIndex = bindings.length - 1, + lastBindings = bindings[ lastBindingsIndex ], + lastBindingsPath = path[ lastBindingsIndex ]; + + indicesByPath[ lastBindingsPath ] = index; + + bindings[ index ] = lastBindings; + bindings.pop(); + + parsedPaths[ index ] = parsedPaths[ lastBindingsIndex ]; + parsedPaths.pop(); + + paths[ index ] = paths[ lastBindingsIndex ]; + paths.pop(); + + } + + } + +} ); + +/** + * + * Action provided by AnimationMixer for scheduling clip playback on specific + * objects. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + * + */ + +function AnimationAction( mixer, clip, localRoot ) { + + this._mixer = mixer; + this._clip = clip; + this._localRoot = localRoot || null; + + var tracks = clip.tracks, + nTracks = tracks.length, + interpolants = new Array( nTracks ); + + var interpolantSettings = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; + + for ( var i = 0; i !== nTracks; ++ i ) { + + var interpolant = tracks[ i ].createInterpolant( null ); + interpolants[ i ] = interpolant; + interpolant.settings = interpolantSettings; + + } + + this._interpolantSettings = interpolantSettings; + + this._interpolants = interpolants; // bound by the mixer + + // inside: PropertyMixer (managed by the mixer) + this._propertyBindings = new Array( nTracks ); + + this._cacheIndex = null; // for the memory manager + this._byClipCacheIndex = null; // for the memory manager + + this._timeScaleInterpolant = null; + this._weightInterpolant = null; + + this.loop = LoopRepeat; + this._loopCount = - 1; + + // global mixer time when the action is to be started + // it's set back to 'null' upon start of the action + this._startTime = null; + + // scaled local time of the action + // gets clamped or wrapped to 0..clip.duration according to loop + this.time = 0; + + this.timeScale = 1; + this._effectiveTimeScale = 1; + + this.weight = 1; + this._effectiveWeight = 1; + + this.repetitions = Infinity; // no. of repetitions when looping + + this.paused = false; // true -> zero effective time scale + this.enabled = true; // false -> zero effective weight + + this.clampWhenFinished = false;// keep feeding the last frame? + + this.zeroSlopeAtStart = true;// for smooth interpolation w/o separate + this.zeroSlopeAtEnd = true;// clips for start, loop and end + +} + +Object.assign( AnimationAction.prototype, { + + // State & Scheduling + + play: function () { + + this._mixer._activateAction( this ); + + return this; + + }, + + stop: function () { + + this._mixer._deactivateAction( this ); + + return this.reset(); + + }, + + reset: function () { + + this.paused = false; + this.enabled = true; + + this.time = 0; // restart clip + this._loopCount = - 1;// forget previous loops + this._startTime = null;// forget scheduling + + return this.stopFading().stopWarping(); + + }, + + isRunning: function () { + + return this.enabled && ! this.paused && this.timeScale !== 0 && + this._startTime === null && this._mixer._isActiveAction( this ); + + }, + + // return true when play has been called + isScheduled: function () { + + return this._mixer._isActiveAction( this ); + + }, + + startAt: function ( time ) { + + this._startTime = time; + + return this; + + }, + + setLoop: function ( mode, repetitions ) { + + this.loop = mode; + this.repetitions = repetitions; + + return this; + + }, + + // Weight + + // set the weight stopping any scheduled fading + // although .enabled = false yields an effective weight of zero, this + // method does *not* change .enabled, because it would be confusing + setEffectiveWeight: function ( weight ) { + + this.weight = weight; + + // note: same logic as when updated at runtime + this._effectiveWeight = this.enabled ? weight : 0; + + return this.stopFading(); + + }, + + // return the weight considering fading and .enabled + getEffectiveWeight: function () { + + return this._effectiveWeight; + + }, + + fadeIn: function ( duration ) { + + return this._scheduleFading( duration, 0, 1 ); + + }, + + fadeOut: function ( duration ) { + + return this._scheduleFading( duration, 1, 0 ); + + }, + + crossFadeFrom: function ( fadeOutAction, duration, warp ) { + + fadeOutAction.fadeOut( duration ); + this.fadeIn( duration ); + + if ( warp ) { + + var fadeInDuration = this._clip.duration, + fadeOutDuration = fadeOutAction._clip.duration, + + startEndRatio = fadeOutDuration / fadeInDuration, + endStartRatio = fadeInDuration / fadeOutDuration; + + fadeOutAction.warp( 1.0, startEndRatio, duration ); + this.warp( endStartRatio, 1.0, duration ); + + } + + return this; + + }, + + crossFadeTo: function ( fadeInAction, duration, warp ) { + + return fadeInAction.crossFadeFrom( this, duration, warp ); + + }, + + stopFading: function () { + + var weightInterpolant = this._weightInterpolant; + + if ( weightInterpolant !== null ) { + + this._weightInterpolant = null; + this._mixer._takeBackControlInterpolant( weightInterpolant ); + + } + + return this; + + }, + + // Time Scale Control + + // set the time scale stopping any scheduled warping + // although .paused = true yields an effective time scale of zero, this + // method does *not* change .paused, because it would be confusing + setEffectiveTimeScale: function ( timeScale ) { + + this.timeScale = timeScale; + this._effectiveTimeScale = this.paused ? 0 : timeScale; + + return this.stopWarping(); + + }, + + // return the time scale considering warping and .paused + getEffectiveTimeScale: function () { + + return this._effectiveTimeScale; + + }, + + setDuration: function ( duration ) { + + this.timeScale = this._clip.duration / duration; + + return this.stopWarping(); + + }, + + syncWith: function ( action ) { + + this.time = action.time; + this.timeScale = action.timeScale; + + return this.stopWarping(); + + }, + + halt: function ( duration ) { + + return this.warp( this._effectiveTimeScale, 0, duration ); + + }, + + warp: function ( startTimeScale, endTimeScale, duration ) { + + var mixer = this._mixer, now = mixer.time, + interpolant = this._timeScaleInterpolant, + + timeScale = this.timeScale; + + if ( interpolant === null ) { + + interpolant = mixer._lendControlInterpolant(); + this._timeScaleInterpolant = interpolant; + + } + + var times = interpolant.parameterPositions, + values = interpolant.sampleValues; + + times[ 0 ] = now; + times[ 1 ] = now + duration; + + values[ 0 ] = startTimeScale / timeScale; + values[ 1 ] = endTimeScale / timeScale; + + return this; + + }, + + stopWarping: function () { + + var timeScaleInterpolant = this._timeScaleInterpolant; + + if ( timeScaleInterpolant !== null ) { + + this._timeScaleInterpolant = null; + this._mixer._takeBackControlInterpolant( timeScaleInterpolant ); + + } + + return this; + + }, + + // Object Accessors + + getMixer: function () { + + return this._mixer; + + }, + + getClip: function () { + + return this._clip; + + }, + + getRoot: function () { + + return this._localRoot || this._mixer._root; + + }, + + // Interna + + _update: function ( time, deltaTime, timeDirection, accuIndex ) { + + // called by the mixer + + if ( ! this.enabled ) { + + // call ._updateWeight() to update ._effectiveWeight + + this._updateWeight( time ); + return; + + } + + var startTime = this._startTime; + + if ( startTime !== null ) { + + // check for scheduled start of action + + var timeRunning = ( time - startTime ) * timeDirection; + if ( timeRunning < 0 || timeDirection === 0 ) { + + return; // yet to come / don't decide when delta = 0 + + } + + // start + + this._startTime = null; // unschedule + deltaTime = timeDirection * timeRunning; + + } + + // apply time scale and advance time + + deltaTime *= this._updateTimeScale( time ); + var clipTime = this._updateTime( deltaTime ); + + // note: _updateTime may disable the action resulting in + // an effective weight of 0 + + var weight = this._updateWeight( time ); + + if ( weight > 0 ) { + + var interpolants = this._interpolants; + var propertyMixers = this._propertyBindings; + + for ( var j = 0, m = interpolants.length; j !== m; ++ j ) { + + interpolants[ j ].evaluate( clipTime ); + propertyMixers[ j ].accumulate( accuIndex, weight ); + + } + + } + + }, + + _updateWeight: function ( time ) { + + var weight = 0; + + if ( this.enabled ) { + + weight = this.weight; + var interpolant = this._weightInterpolant; + + if ( interpolant !== null ) { + + var interpolantValue = interpolant.evaluate( time )[ 0 ]; + + weight *= interpolantValue; + + if ( time > interpolant.parameterPositions[ 1 ] ) { + + this.stopFading(); + + if ( interpolantValue === 0 ) { + + // faded out, disable + this.enabled = false; + + } + + } + + } + + } + + this._effectiveWeight = weight; + return weight; + + }, + + _updateTimeScale: function ( time ) { + + var timeScale = 0; + + if ( ! this.paused ) { + + timeScale = this.timeScale; + + var interpolant = this._timeScaleInterpolant; + + if ( interpolant !== null ) { + + var interpolantValue = interpolant.evaluate( time )[ 0 ]; + + timeScale *= interpolantValue; + + if ( time > interpolant.parameterPositions[ 1 ] ) { + + this.stopWarping(); + + if ( timeScale === 0 ) { + + // motion has halted, pause + this.paused = true; + + } else { + + // warp done - apply final time scale + this.timeScale = timeScale; + + } + + } + + } + + } + + this._effectiveTimeScale = timeScale; + return timeScale; + + }, + + _updateTime: function ( deltaTime ) { + + var time = this.time + deltaTime; + var duration = this._clip.duration; + var loop = this.loop; + var loopCount = this._loopCount; + + var pingPong = ( loop === LoopPingPong ); + + if ( deltaTime === 0 ) { + + if ( loopCount === - 1 ) return time; + + return ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time; + + } + + if ( loop === LoopOnce ) { + + if ( loopCount === - 1 ) { + + // just started + + this._loopCount = 0; + this._setEndings( true, true, false ); + + } + + handle_stop: { + + if ( time >= duration ) { + + time = duration; + + } else if ( time < 0 ) { + + time = 0; + + } else { + + this.time = time; + + break handle_stop; + + } + + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; + + this.time = time; + + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime < 0 ? - 1 : 1 + } ); + + } + + } else { // repetitive Repeat or PingPong + + if ( loopCount === - 1 ) { + + // just started + + if ( deltaTime >= 0 ) { + + loopCount = 0; + + this._setEndings( true, this.repetitions === 0, pingPong ); + + } else { + + // when looping in reverse direction, the initial + // transition through zero counts as a repetition, + // so leave loopCount at -1 + + this._setEndings( this.repetitions === 0, true, pingPong ); + + } + + } + + if ( time >= duration || time < 0 ) { + + // wrap around + + var loopDelta = Math.floor( time / duration ); // signed + time -= duration * loopDelta; + + loopCount += Math.abs( loopDelta ); + + var pending = this.repetitions - loopCount; + + if ( pending <= 0 ) { + + // have to stop (switch state, clamp time, fire event) + + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; + + time = deltaTime > 0 ? duration : 0; + + this.time = time; + + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime > 0 ? 1 : - 1 + } ); + + } else { + + // keep running + + if ( pending === 1 ) { + + // entering the last round + + var atStart = deltaTime < 0; + this._setEndings( atStart, ! atStart, pingPong ); + + } else { + + this._setEndings( false, false, pingPong ); + + } + + this._loopCount = loopCount; + + this.time = time; + + this._mixer.dispatchEvent( { + type: 'loop', action: this, loopDelta: loopDelta + } ); + + } + + } else { + + this.time = time; + + } + + if ( pingPong && ( loopCount & 1 ) === 1 ) { + + // invert time for the "pong round" + + return duration - time; + + } + + } + + return time; + + }, + + _setEndings: function ( atStart, atEnd, pingPong ) { + + var settings = this._interpolantSettings; + + if ( pingPong ) { + + settings.endingStart = ZeroSlopeEnding; + settings.endingEnd = ZeroSlopeEnding; + + } else { + + // assuming for LoopOnce atStart == atEnd == true + + if ( atStart ) { + + settings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding; + + } else { + + settings.endingStart = WrapAroundEnding; + + } + + if ( atEnd ) { + + settings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding; + + } else { + + settings.endingEnd = WrapAroundEnding; + + } + + } + + }, + + _scheduleFading: function ( duration, weightNow, weightThen ) { + + var mixer = this._mixer, now = mixer.time, + interpolant = this._weightInterpolant; + + if ( interpolant === null ) { + + interpolant = mixer._lendControlInterpolant(); + this._weightInterpolant = interpolant; + + } + + var times = interpolant.parameterPositions, + values = interpolant.sampleValues; + + times[ 0 ] = now; + values[ 0 ] = weightNow; + times[ 1 ] = now + duration; + values[ 1 ] = weightThen; + + return this; + + } + +} ); + +/** + * + * Player for AnimationClips. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + +function AnimationMixer( root ) { + + this._root = root; + this._initMemoryManager(); + this._accuIndex = 0; + + this.time = 0; + + this.timeScale = 1.0; + +} + +AnimationMixer.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { + + constructor: AnimationMixer, + + _bindAction: function ( action, prototypeAction ) { + + var root = action._localRoot || this._root, + tracks = action._clip.tracks, + nTracks = tracks.length, + bindings = action._propertyBindings, + interpolants = action._interpolants, + rootUuid = root.uuid, + bindingsByRoot = this._bindingsByRootAndName, + bindingsByName = bindingsByRoot[ rootUuid ]; + + if ( bindingsByName === undefined ) { + + bindingsByName = {}; + bindingsByRoot[ rootUuid ] = bindingsByName; + + } + + for ( var i = 0; i !== nTracks; ++ i ) { + + var track = tracks[ i ], + trackName = track.name, + binding = bindingsByName[ trackName ]; + + if ( binding !== undefined ) { + + bindings[ i ] = binding; + + } else { + + binding = bindings[ i ]; + + if ( binding !== undefined ) { + + // existing binding, make sure the cache knows + + if ( binding._cacheIndex === null ) { + + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); + + } + + continue; + + } + + var path = prototypeAction && prototypeAction. + _propertyBindings[ i ].binding.parsedPath; + + binding = new PropertyMixer( + PropertyBinding.create( root, trackName, path ), + track.ValueTypeName, track.getValueSize() ); + + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); + + bindings[ i ] = binding; + + } + + interpolants[ i ].resultBuffer = binding.buffer; + + } + + }, + + _activateAction: function ( action ) { + + if ( ! this._isActiveAction( action ) ) { + + if ( action._cacheIndex === null ) { + + // this action has been forgotten by the cache, but the user + // appears to be still using it -> rebind + + var rootUuid = ( action._localRoot || this._root ).uuid, + clipUuid = action._clip.uuid, + actionsForClip = this._actionsByClip[ clipUuid ]; + + this._bindAction( action, + actionsForClip && actionsForClip.knownActions[ 0 ] ); + + this._addInactiveAction( action, clipUuid, rootUuid ); + + } + + var bindings = action._propertyBindings; + + // increment reference counts / sort out state + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + + var binding = bindings[ i ]; + + if ( binding.useCount ++ === 0 ) { + + this._lendBinding( binding ); + binding.saveOriginalState(); + + } + + } + + this._lendAction( action ); + + } + + }, + + _deactivateAction: function ( action ) { + + if ( this._isActiveAction( action ) ) { + + var bindings = action._propertyBindings; + + // decrement reference counts / sort out state + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + + var binding = bindings[ i ]; + + if ( -- binding.useCount === 0 ) { + + binding.restoreOriginalState(); + this._takeBackBinding( binding ); + + } + + } + + this._takeBackAction( action ); + + } + + }, + + // Memory manager + + _initMemoryManager: function () { + + this._actions = []; // 'nActiveActions' followed by inactive ones + this._nActiveActions = 0; + + this._actionsByClip = {}; + // inside: + // { + // knownActions: Array< AnimationAction > - used as prototypes + // actionByRoot: AnimationAction - lookup + // } + + + this._bindings = []; // 'nActiveBindings' followed by inactive ones + this._nActiveBindings = 0; + + this._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer > + + + this._controlInterpolants = []; // same game as above + this._nActiveControlInterpolants = 0; + + var scope = this; + + this.stats = { + + actions: { + get total() { + + return scope._actions.length; + + }, + get inUse() { + + return scope._nActiveActions; + + } + }, + bindings: { + get total() { + + return scope._bindings.length; + + }, + get inUse() { + + return scope._nActiveBindings; + + } + }, + controlInterpolants: { + get total() { + + return scope._controlInterpolants.length; + + }, + get inUse() { + + return scope._nActiveControlInterpolants; + + } + } + + }; + + }, + + // Memory management for AnimationAction objects + + _isActiveAction: function ( action ) { + + var index = action._cacheIndex; + return index !== null && index < this._nActiveActions; + + }, + + _addInactiveAction: function ( action, clipUuid, rootUuid ) { + + var actions = this._actions, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ]; + + if ( actionsForClip === undefined ) { + + actionsForClip = { + + knownActions: [ action ], + actionByRoot: {} + + }; + + action._byClipCacheIndex = 0; + + actionsByClip[ clipUuid ] = actionsForClip; + + } else { + + var knownActions = actionsForClip.knownActions; + + action._byClipCacheIndex = knownActions.length; + knownActions.push( action ); + + } + + action._cacheIndex = actions.length; + actions.push( action ); + + actionsForClip.actionByRoot[ rootUuid ] = action; + + }, + + _removeInactiveAction: function ( action ) { + + var actions = this._actions, + lastInactiveAction = actions[ actions.length - 1 ], + cacheIndex = action._cacheIndex; + + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); + + action._cacheIndex = null; + + + var clipUuid = action._clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ], + knownActionsForClip = actionsForClip.knownActions, + + lastKnownAction = + knownActionsForClip[ knownActionsForClip.length - 1 ], + + byClipCacheIndex = action._byClipCacheIndex; + + lastKnownAction._byClipCacheIndex = byClipCacheIndex; + knownActionsForClip[ byClipCacheIndex ] = lastKnownAction; + knownActionsForClip.pop(); + + action._byClipCacheIndex = null; + + + var actionByRoot = actionsForClip.actionByRoot, + rootUuid = ( action._localRoot || this._root ).uuid; + + delete actionByRoot[ rootUuid ]; + + if ( knownActionsForClip.length === 0 ) { + + delete actionsByClip[ clipUuid ]; + + } + + this._removeInactiveBindingsForAction( action ); + + }, + + _removeInactiveBindingsForAction: function ( action ) { + + var bindings = action._propertyBindings; + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + + var binding = bindings[ i ]; + + if ( -- binding.referenceCount === 0 ) { + + this._removeInactiveBinding( binding ); + + } + + } + + }, + + _lendAction: function ( action ) { + + // [ active actions | inactive actions ] + // [ active actions >| inactive actions ] + // s a + // <-swap-> + // a s + + var actions = this._actions, + prevIndex = action._cacheIndex, + + lastActiveIndex = this._nActiveActions ++, + + firstInactiveAction = actions[ lastActiveIndex ]; + + action._cacheIndex = lastActiveIndex; + actions[ lastActiveIndex ] = action; + + firstInactiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = firstInactiveAction; + + }, + + _takeBackAction: function ( action ) { + + // [ active actions | inactive actions ] + // [ active actions |< inactive actions ] + // a s + // <-swap-> + // s a + + var actions = this._actions, + prevIndex = action._cacheIndex, + + firstInactiveIndex = -- this._nActiveActions, + + lastActiveAction = actions[ firstInactiveIndex ]; + + action._cacheIndex = firstInactiveIndex; + actions[ firstInactiveIndex ] = action; + + lastActiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = lastActiveAction; + + }, + + // Memory management for PropertyMixer objects + + _addInactiveBinding: function ( binding, rootUuid, trackName ) { + + var bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ], + + bindings = this._bindings; + + if ( bindingByName === undefined ) { + + bindingByName = {}; + bindingsByRoot[ rootUuid ] = bindingByName; + + } + + bindingByName[ trackName ] = binding; + + binding._cacheIndex = bindings.length; + bindings.push( binding ); + + }, + + _removeInactiveBinding: function ( binding ) { + + var bindings = this._bindings, + propBinding = binding.binding, + rootUuid = propBinding.rootNode.uuid, + trackName = propBinding.path, + bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ], + + lastInactiveBinding = bindings[ bindings.length - 1 ], + cacheIndex = binding._cacheIndex; + + lastInactiveBinding._cacheIndex = cacheIndex; + bindings[ cacheIndex ] = lastInactiveBinding; + bindings.pop(); + + delete bindingByName[ trackName ]; + + if ( Object.keys( bindingByName ).length === 0 ) { + + delete bindingsByRoot[ rootUuid ]; + + } + + }, + + _lendBinding: function ( binding ) { + + var bindings = this._bindings, + prevIndex = binding._cacheIndex, + + lastActiveIndex = this._nActiveBindings ++, + + firstInactiveBinding = bindings[ lastActiveIndex ]; + + binding._cacheIndex = lastActiveIndex; + bindings[ lastActiveIndex ] = binding; + + firstInactiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = firstInactiveBinding; + + }, + + _takeBackBinding: function ( binding ) { + + var bindings = this._bindings, + prevIndex = binding._cacheIndex, + + firstInactiveIndex = -- this._nActiveBindings, + + lastActiveBinding = bindings[ firstInactiveIndex ]; + + binding._cacheIndex = firstInactiveIndex; + bindings[ firstInactiveIndex ] = binding; + + lastActiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = lastActiveBinding; + + }, + + + // Memory management of Interpolants for weight and time scale + + _lendControlInterpolant: function () { + + var interpolants = this._controlInterpolants, + lastActiveIndex = this._nActiveControlInterpolants ++, + interpolant = interpolants[ lastActiveIndex ]; + + if ( interpolant === undefined ) { + + interpolant = new LinearInterpolant( + new Float32Array( 2 ), new Float32Array( 2 ), + 1, this._controlInterpolantsResultBuffer ); + + interpolant.__cacheIndex = lastActiveIndex; + interpolants[ lastActiveIndex ] = interpolant; + + } + + return interpolant; + + }, + + _takeBackControlInterpolant: function ( interpolant ) { + + var interpolants = this._controlInterpolants, + prevIndex = interpolant.__cacheIndex, + + firstInactiveIndex = -- this._nActiveControlInterpolants, + + lastActiveInterpolant = interpolants[ firstInactiveIndex ]; + + interpolant.__cacheIndex = firstInactiveIndex; + interpolants[ firstInactiveIndex ] = interpolant; + + lastActiveInterpolant.__cacheIndex = prevIndex; + interpolants[ prevIndex ] = lastActiveInterpolant; + + }, + + _controlInterpolantsResultBuffer: new Float32Array( 1 ), + + // return an action for a clip optionally using a custom root target + // object (this method allocates a lot of dynamic memory in case a + // previously unknown clip/root combination is specified) + clipAction: function ( clip, optionalRoot ) { + + var root = optionalRoot || this._root, + rootUuid = root.uuid, + + clipObject = typeof clip === 'string' ? + AnimationClip.findByName( root, clip ) : clip, + + clipUuid = clipObject !== null ? clipObject.uuid : clip, + + actionsForClip = this._actionsByClip[ clipUuid ], + prototypeAction = null; + + if ( actionsForClip !== undefined ) { + + var existingAction = + actionsForClip.actionByRoot[ rootUuid ]; + + if ( existingAction !== undefined ) { + + return existingAction; + + } + + // we know the clip, so we don't have to parse all + // the bindings again but can just copy + prototypeAction = actionsForClip.knownActions[ 0 ]; + + // also, take the clip from the prototype action + if ( clipObject === null ) + clipObject = prototypeAction._clip; + + } + + // clip must be known when specified via string + if ( clipObject === null ) return null; + + // allocate all resources required to run it + var newAction = new AnimationAction( this, clipObject, optionalRoot ); + + this._bindAction( newAction, prototypeAction ); + + // and make the action known to the memory manager + this._addInactiveAction( newAction, clipUuid, rootUuid ); + + return newAction; + + }, + + // get an existing action + existingAction: function ( clip, optionalRoot ) { + + var root = optionalRoot || this._root, + rootUuid = root.uuid, + + clipObject = typeof clip === 'string' ? + AnimationClip.findByName( root, clip ) : clip, + + clipUuid = clipObject ? clipObject.uuid : clip, + + actionsForClip = this._actionsByClip[ clipUuid ]; + + if ( actionsForClip !== undefined ) { + + return actionsForClip.actionByRoot[ rootUuid ] || null; + + } + + return null; + + }, + + // deactivates all previously scheduled actions + stopAllAction: function () { + + var actions = this._actions, + nActions = this._nActiveActions, + bindings = this._bindings, + nBindings = this._nActiveBindings; + + this._nActiveActions = 0; + this._nActiveBindings = 0; + + for ( var i = 0; i !== nActions; ++ i ) { + + actions[ i ].reset(); + + } + + for ( var i = 0; i !== nBindings; ++ i ) { + + bindings[ i ].useCount = 0; + + } + + return this; + + }, + + // advance the time and update apply the animation + update: function ( deltaTime ) { + + deltaTime *= this.timeScale; + + var actions = this._actions, + nActions = this._nActiveActions, + + time = this.time += deltaTime, + timeDirection = Math.sign( deltaTime ), + + accuIndex = this._accuIndex ^= 1; + + // run active actions + + for ( var i = 0; i !== nActions; ++ i ) { + + var action = actions[ i ]; + + action._update( time, deltaTime, timeDirection, accuIndex ); + + } + + // update scene graph + + var bindings = this._bindings, + nBindings = this._nActiveBindings; + + for ( var i = 0; i !== nBindings; ++ i ) { + + bindings[ i ].apply( accuIndex ); + + } + + return this; + + }, + + // Allows you to seek to a specific time in an animation. + setTime: function ( timeInSeconds ) { + + this.time = 0; // Zero out time attribute for AnimationMixer object; + for ( var i = 0; i < this._actions.length; i ++ ) { + + this._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects. + + } + + return this.update( timeInSeconds ); // Update used to set exact time. Returns "this" AnimationMixer object. + + }, + + // return this mixer's root target object + getRoot: function () { + + return this._root; + + }, + + // free all resources specific to a particular clip + uncacheClip: function ( clip ) { + + var actions = this._actions, + clipUuid = clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ]; + + if ( actionsForClip !== undefined ) { + + // note: just calling _removeInactiveAction would mess up the + // iteration state and also require updating the state we can + // just throw away + + var actionsToRemove = actionsForClip.knownActions; + + for ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) { + + var action = actionsToRemove[ i ]; + + this._deactivateAction( action ); + + var cacheIndex = action._cacheIndex, + lastInactiveAction = actions[ actions.length - 1 ]; + + action._cacheIndex = null; + action._byClipCacheIndex = null; + + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); + + this._removeInactiveBindingsForAction( action ); + + } + + delete actionsByClip[ clipUuid ]; + + } + + }, + + // free all resources specific to a particular root target object + uncacheRoot: function ( root ) { + + var rootUuid = root.uuid, + actionsByClip = this._actionsByClip; + + for ( var clipUuid in actionsByClip ) { + + var actionByRoot = actionsByClip[ clipUuid ].actionByRoot, + action = actionByRoot[ rootUuid ]; + + if ( action !== undefined ) { + + this._deactivateAction( action ); + this._removeInactiveAction( action ); + + } + + } + + var bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ]; + + if ( bindingByName !== undefined ) { + + for ( var trackName in bindingByName ) { + + var binding = bindingByName[ trackName ]; + binding.restoreOriginalState(); + this._removeInactiveBinding( binding ); + + } + + } + + }, + + // remove a targeted clip from the cache + uncacheAction: function ( clip, optionalRoot ) { + + var action = this.existingAction( clip, optionalRoot ); + + if ( action !== null ) { + + this._deactivateAction( action ); + this._removeInactiveAction( action ); + + } + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function Uniform( value ) { + + if ( typeof value === 'string' ) { + + console.warn( 'THREE.Uniform: Type parameter is no longer needed.' ); + value = arguments[ 1 ]; + + } + + this.value = value; + +} + +Uniform.prototype.clone = function () { + + return new Uniform( this.value.clone === undefined ? this.value : this.value.clone() ); + +}; + +/** + * @author benaadams / https://twitter.com/ben_a_adams + */ + +function InstancedInterleavedBuffer( array, stride, meshPerAttribute ) { + + InterleavedBuffer.call( this, array, stride ); + + this.meshPerAttribute = meshPerAttribute || 1; + +} + +InstancedInterleavedBuffer.prototype = Object.assign( Object.create( InterleavedBuffer.prototype ), { + + constructor: InstancedInterleavedBuffer, + + isInstancedInterleavedBuffer: true, + + copy: function ( source ) { + + InterleavedBuffer.prototype.copy.call( this, source ); + + this.meshPerAttribute = source.meshPerAttribute; + + return this; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author bhouston / http://clara.io/ + * @author stephomi / http://stephaneginier.com/ + */ + +function Raycaster( origin, direction, near, far ) { + + this.ray = new Ray( origin, direction ); + // direction is assumed to be normalized (for accurate distance calculations) + + this.near = near || 0; + this.far = far || Infinity; + this.camera = null; + this.layers = new Layers(); + + this.params = { + Mesh: {}, + Line: { threshold: 1 }, + LOD: {}, + Points: { threshold: 1 }, + Sprite: {} + }; + + Object.defineProperties( this.params, { + PointCloud: { + get: function () { + + console.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' ); + return this.Points; + + } + } + } ); + +} + +function ascSort( a, b ) { + + return a.distance - b.distance; + +} + +function intersectObject( object, raycaster, intersects, recursive ) { + + if ( object.layers.test( raycaster.layers ) ) { + + object.raycast( raycaster, intersects ); + + } + + if ( recursive === true ) { + + var children = object.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + intersectObject( children[ i ], raycaster, intersects, true ); + + } + + } + +} + +Object.assign( Raycaster.prototype, { + + set: function ( origin, direction ) { + + // direction is assumed to be normalized (for accurate distance calculations) + + this.ray.set( origin, direction ); + + }, + + setFromCamera: function ( coords, camera ) { + + if ( ( camera && camera.isPerspectiveCamera ) ) { + + this.ray.origin.setFromMatrixPosition( camera.matrixWorld ); + this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize(); + this.camera = camera; + + } else if ( ( camera && camera.isOrthographicCamera ) ) { + + this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera + this.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ); + this.camera = camera; + + } else { + + console.error( 'THREE.Raycaster: Unsupported camera type.' ); + + } + + }, + + intersectObject: function ( object, recursive, optionalTarget ) { + + var intersects = optionalTarget || []; + + intersectObject( object, this, intersects, recursive ); + + intersects.sort( ascSort ); + + return intersects; + + }, + + intersectObjects: function ( objects, recursive, optionalTarget ) { + + var intersects = optionalTarget || []; + + if ( Array.isArray( objects ) === false ) { + + console.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' ); + return intersects; + + } + + for ( var i = 0, l = objects.length; i < l; i ++ ) { + + intersectObject( objects[ i ], this, intersects, recursive ); + + } + + intersects.sort( ascSort ); + + return intersects; + + } + +} ); + +/** + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + * + * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system + * + * The polar angle (phi) is measured from the positive y-axis. The positive y-axis is up. + * The azimuthal angle (theta) is measured from the positive z-axis. + */ + +function Spherical( radius, phi, theta ) { + + this.radius = ( radius !== undefined ) ? radius : 1.0; + this.phi = ( phi !== undefined ) ? phi : 0; // polar angle + this.theta = ( theta !== undefined ) ? theta : 0; // azimuthal angle + + return this; + +} + +Object.assign( Spherical.prototype, { + + set: function ( radius, phi, theta ) { + + this.radius = radius; + this.phi = phi; + this.theta = theta; + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( other ) { + + this.radius = other.radius; + this.phi = other.phi; + this.theta = other.theta; + + return this; + + }, + + // restrict phi to be betwee EPS and PI-EPS + makeSafe: function () { + + var EPS = 0.000001; + this.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) ); + + return this; + + }, + + setFromVector3: function ( v ) { + + return this.setFromCartesianCoords( v.x, v.y, v.z ); + + }, + + setFromCartesianCoords: function ( x, y, z ) { + + this.radius = Math.sqrt( x * x + y * y + z * z ); + + if ( this.radius === 0 ) { + + this.theta = 0; + this.phi = 0; + + } else { + + this.theta = Math.atan2( x, z ); + this.phi = Math.acos( MathUtils.clamp( y / this.radius, - 1, 1 ) ); + + } + + return this; + + } + +} ); + +/** + * @author Mugen87 / https://github.com/Mugen87 + * + * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system + * + */ + +function Cylindrical( radius, theta, y ) { + + this.radius = ( radius !== undefined ) ? radius : 1.0; // distance from the origin to a point in the x-z plane + this.theta = ( theta !== undefined ) ? theta : 0; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis + this.y = ( y !== undefined ) ? y : 0; // height above the x-z plane + + return this; + +} + +Object.assign( Cylindrical.prototype, { + + set: function ( radius, theta, y ) { + + this.radius = radius; + this.theta = theta; + this.y = y; + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( other ) { + + this.radius = other.radius; + this.theta = other.theta; + this.y = other.y; + + return this; + + }, + + setFromVector3: function ( v ) { + + return this.setFromCartesianCoords( v.x, v.y, v.z ); + + }, + + setFromCartesianCoords: function ( x, y, z ) { + + this.radius = Math.sqrt( x * x + z * z ); + this.theta = Math.atan2( x, z ); + this.y = y; + + return this; + + } + +} ); + +/** + * @author bhouston / http://clara.io + */ + +var _vector$7 = new Vector2(); + +function Box2( min, max ) { + + this.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity ); + this.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity ); + +} + +Object.assign( Box2.prototype, { + + set: function ( min, max ) { + + this.min.copy( min ); + this.max.copy( max ); + + return this; + + }, + + setFromPoints: function ( points ) { + + this.makeEmpty(); + + for ( var i = 0, il = points.length; i < il; i ++ ) { + + this.expandByPoint( points[ i ] ); + + } + + return this; + + }, + + setFromCenterAndSize: function ( center, size ) { + + var halfSize = _vector$7.copy( size ).multiplyScalar( 0.5 ); + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( box ) { + + this.min.copy( box.min ); + this.max.copy( box.max ); + + return this; + + }, + + makeEmpty: function () { + + this.min.x = this.min.y = + Infinity; + this.max.x = this.max.y = - Infinity; + + return this; + + }, + + isEmpty: function () { + + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ); + + }, + + getCenter: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Box2: .getCenter() target is now required' ); + target = new Vector2(); + + } + + return this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + + }, + + getSize: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Box2: .getSize() target is now required' ); + target = new Vector2(); + + } + + return this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min ); + + }, + + expandByPoint: function ( point ) { + + this.min.min( point ); + this.max.max( point ); + + return this; + + }, + + expandByVector: function ( vector ) { + + this.min.sub( vector ); + this.max.add( vector ); + + return this; + + }, + + expandByScalar: function ( scalar ) { + + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); + + return this; + + }, + + containsPoint: function ( point ) { + + return point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y ? false : true; + + }, + + containsBox: function ( box ) { + + return this.min.x <= box.min.x && box.max.x <= this.max.x && + this.min.y <= box.min.y && box.max.y <= this.max.y; + + }, + + getParameter: function ( point, target ) { + + // This can potentially have a divide by zero if the box + // has a size dimension of 0. + + if ( target === undefined ) { + + console.warn( 'THREE.Box2: .getParameter() target is now required' ); + target = new Vector2(); + + } + + return target.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ) + ); + + }, + + intersectsBox: function ( box ) { + + // using 4 splitting planes to rule out intersections + + return box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y ? false : true; + + }, + + clampPoint: function ( point, target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Box2: .clampPoint() target is now required' ); + target = new Vector2(); + + } + + return target.copy( point ).clamp( this.min, this.max ); + + }, + + distanceToPoint: function ( point ) { + + var clampedPoint = _vector$7.copy( point ).clamp( this.min, this.max ); + return clampedPoint.sub( point ).length(); + + }, + + intersect: function ( box ) { + + this.min.max( box.min ); + this.max.min( box.max ); + + return this; + + }, + + union: function ( box ) { + + this.min.min( box.min ); + this.max.max( box.max ); + + return this; + + }, + + translate: function ( offset ) { + + this.min.add( offset ); + this.max.add( offset ); + + return this; + + }, + + equals: function ( box ) { + + return box.min.equals( this.min ) && box.max.equals( this.max ); + + } + +} ); + +/** + * @author bhouston / http://clara.io + */ + +var _startP = new Vector3(); +var _startEnd = new Vector3(); + +function Line3( start, end ) { + + this.start = ( start !== undefined ) ? start : new Vector3(); + this.end = ( end !== undefined ) ? end : new Vector3(); + +} + +Object.assign( Line3.prototype, { + + set: function ( start, end ) { + + this.start.copy( start ); + this.end.copy( end ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( line ) { + + this.start.copy( line.start ); + this.end.copy( line.end ); + + return this; + + }, + + getCenter: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Line3: .getCenter() target is now required' ); + target = new Vector3(); + + } + + return target.addVectors( this.start, this.end ).multiplyScalar( 0.5 ); + + }, + + delta: function ( target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Line3: .delta() target is now required' ); + target = new Vector3(); + + } + + return target.subVectors( this.end, this.start ); + + }, + + distanceSq: function () { + + return this.start.distanceToSquared( this.end ); + + }, + + distance: function () { + + return this.start.distanceTo( this.end ); + + }, + + at: function ( t, target ) { + + if ( target === undefined ) { + + console.warn( 'THREE.Line3: .at() target is now required' ); + target = new Vector3(); + + } + + return this.delta( target ).multiplyScalar( t ).add( this.start ); + + }, + + closestPointToPointParameter: function ( point, clampToLine ) { + + _startP.subVectors( point, this.start ); + _startEnd.subVectors( this.end, this.start ); + + var startEnd2 = _startEnd.dot( _startEnd ); + var startEnd_startP = _startEnd.dot( _startP ); + + var t = startEnd_startP / startEnd2; + + if ( clampToLine ) { + + t = MathUtils.clamp( t, 0, 1 ); + + } + + return t; + + }, + + closestPointToPoint: function ( point, clampToLine, target ) { + + var t = this.closestPointToPointParameter( point, clampToLine ); + + if ( target === undefined ) { + + console.warn( 'THREE.Line3: .closestPointToPoint() target is now required' ); + target = new Vector3(); + + } + + return this.delta( target ).multiplyScalar( t ).add( this.start ); + + }, + + applyMatrix4: function ( matrix ) { + + this.start.applyMatrix4( matrix ); + this.end.applyMatrix4( matrix ); + + return this; + + }, + + equals: function ( line ) { + + return line.start.equals( this.start ) && line.end.equals( this.end ); + + } + +} ); + +/** + * @author alteredq / http://alteredqualia.com/ + */ + +function ImmediateRenderObject( material ) { + + Object3D.call( this ); + + this.material = material; + this.render = function ( /* renderCallback */ ) {}; + +} + +ImmediateRenderObject.prototype = Object.create( Object3D.prototype ); +ImmediateRenderObject.prototype.constructor = ImmediateRenderObject; + +ImmediateRenderObject.prototype.isImmediateRenderObject = true; + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ + +var _vector$8 = new Vector3(); + +function SpotLightHelper( light, color ) { + + Object3D.call( this ); + + this.light = light; + this.light.updateMatrixWorld(); + + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + + this.color = color; + + var geometry = new BufferGeometry(); + + var positions = [ + 0, 0, 0, 0, 0, 1, + 0, 0, 0, 1, 0, 1, + 0, 0, 0, - 1, 0, 1, + 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, - 1, 1 + ]; + + for ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) { + + var p1 = ( i / l ) * Math.PI * 2; + var p2 = ( j / l ) * Math.PI * 2; + + positions.push( + Math.cos( p1 ), Math.sin( p1 ), 1, + Math.cos( p2 ), Math.sin( p2 ), 1 + ); + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + + var material = new LineBasicMaterial( { fog: false } ); + + this.cone = new LineSegments( geometry, material ); + this.add( this.cone ); + + this.update(); + +} + +SpotLightHelper.prototype = Object.create( Object3D.prototype ); +SpotLightHelper.prototype.constructor = SpotLightHelper; + +SpotLightHelper.prototype.dispose = function () { + + this.cone.geometry.dispose(); + this.cone.material.dispose(); + +}; + +SpotLightHelper.prototype.update = function () { + + this.light.updateMatrixWorld(); + + var coneLength = this.light.distance ? this.light.distance : 1000; + var coneWidth = coneLength * Math.tan( this.light.angle ); + + this.cone.scale.set( coneWidth, coneWidth, coneLength ); + + _vector$8.setFromMatrixPosition( this.light.target.matrixWorld ); + + this.cone.lookAt( _vector$8 ); + + if ( this.color !== undefined ) { + + this.cone.material.color.set( this.color ); + + } else { + + this.cone.material.color.copy( this.light.color ); + + } + +}; + +/** + * @author Sean Griffin / http://twitter.com/sgrif + * @author Michael Guerrero / http://realitymeltdown.com + * @author mrdoob / http://mrdoob.com/ + * @author ikerr / http://verold.com + * @author Mugen87 / https://github.com/Mugen87 + */ + +var _vector$9 = new Vector3(); +var _boneMatrix = new Matrix4(); +var _matrixWorldInv = new Matrix4(); + +function getBoneList( object ) { + + var boneList = []; + + if ( object && object.isBone ) { + + boneList.push( object ); + + } + + for ( var i = 0; i < object.children.length; i ++ ) { + + boneList.push.apply( boneList, getBoneList( object.children[ i ] ) ); + + } + + return boneList; + +} + +function SkeletonHelper( object ) { + + var bones = getBoneList( object ); + + var geometry = new BufferGeometry(); + + var vertices = []; + var colors = []; + + var color1 = new Color( 0, 0, 1 ); + var color2 = new Color( 0, 1, 0 ); + + for ( var i = 0; i < bones.length; i ++ ) { + + var bone = bones[ i ]; + + if ( bone.parent && bone.parent.isBone ) { + + vertices.push( 0, 0, 0 ); + vertices.push( 0, 0, 0 ); + colors.push( color1.r, color1.g, color1.b ); + colors.push( color2.r, color2.g, color2.b ); + + } + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + var material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, transparent: true } ); + + LineSegments.call( this, geometry, material ); + + this.root = object; + this.bones = bones; + + this.matrix = object.matrixWorld; + this.matrixAutoUpdate = false; + +} + +SkeletonHelper.prototype = Object.create( LineSegments.prototype ); +SkeletonHelper.prototype.constructor = SkeletonHelper; + +SkeletonHelper.prototype.isSkeletonHelper = true; + +SkeletonHelper.prototype.updateMatrixWorld = function ( force ) { + + var bones = this.bones; + + var geometry = this.geometry; + var position = geometry.getAttribute( 'position' ); + + _matrixWorldInv.getInverse( this.root.matrixWorld ); + + for ( var i = 0, j = 0; i < bones.length; i ++ ) { + + var bone = bones[ i ]; + + if ( bone.parent && bone.parent.isBone ) { + + _boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld ); + _vector$9.setFromMatrixPosition( _boneMatrix ); + position.setXYZ( j, _vector$9.x, _vector$9.y, _vector$9.z ); + + _boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld ); + _vector$9.setFromMatrixPosition( _boneMatrix ); + position.setXYZ( j + 1, _vector$9.x, _vector$9.y, _vector$9.z ); + + j += 2; + + } + + } + + geometry.getAttribute( 'position' ).needsUpdate = true; + + Object3D.prototype.updateMatrixWorld.call( this, force ); + +}; + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + +function PointLightHelper( light, sphereSize, color ) { + + this.light = light; + this.light.updateMatrixWorld(); + + this.color = color; + + var geometry = new SphereBufferGeometry( sphereSize, 4, 2 ); + var material = new MeshBasicMaterial( { wireframe: true, fog: false } ); + + Mesh.call( this, geometry, material ); + + this.matrix = this.light.matrixWorld; + this.matrixAutoUpdate = false; + + this.update(); + + + /* + var distanceGeometry = new THREE.IcosahedronBufferGeometry( 1, 2 ); + var distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } ); + + this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial ); + this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial ); + + var d = light.distance; + + if ( d === 0.0 ) { + + this.lightDistance.visible = false; + + } else { + + this.lightDistance.scale.set( d, d, d ); + + } + + this.add( this.lightDistance ); + */ + +} + +PointLightHelper.prototype = Object.create( Mesh.prototype ); +PointLightHelper.prototype.constructor = PointLightHelper; + +PointLightHelper.prototype.dispose = function () { + + this.geometry.dispose(); + this.material.dispose(); + +}; + +PointLightHelper.prototype.update = function () { + + if ( this.color !== undefined ) { + + this.material.color.set( this.color ); + + } else { + + this.material.color.copy( this.light.color ); + + } + + /* + var d = this.light.distance; + + if ( d === 0.0 ) { + + this.lightDistance.visible = false; + + } else { + + this.lightDistance.visible = true; + this.lightDistance.scale.set( d, d, d ); + + } + */ + +}; + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author Mugen87 / https://github.com/Mugen87 + */ + +var _vector$a = new Vector3(); +var _color1 = new Color(); +var _color2 = new Color(); + +function HemisphereLightHelper( light, size, color ) { + + Object3D.call( this ); + + this.light = light; + this.light.updateMatrixWorld(); + + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + + this.color = color; + + var geometry = new OctahedronBufferGeometry( size ); + geometry.rotateY( Math.PI * 0.5 ); + + this.material = new MeshBasicMaterial( { wireframe: true, fog: false } ); + if ( this.color === undefined ) this.material.vertexColors = true; + + var position = geometry.getAttribute( 'position' ); + var colors = new Float32Array( position.count * 3 ); + + geometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) ); + + this.add( new Mesh( geometry, this.material ) ); + + this.update(); + +} + +HemisphereLightHelper.prototype = Object.create( Object3D.prototype ); +HemisphereLightHelper.prototype.constructor = HemisphereLightHelper; + +HemisphereLightHelper.prototype.dispose = function () { + + this.children[ 0 ].geometry.dispose(); + this.children[ 0 ].material.dispose(); + +}; + +HemisphereLightHelper.prototype.update = function () { + + var mesh = this.children[ 0 ]; + + if ( this.color !== undefined ) { + + this.material.color.set( this.color ); + + } else { + + var colors = mesh.geometry.getAttribute( 'color' ); + + _color1.copy( this.light.color ); + _color2.copy( this.light.groundColor ); + + for ( var i = 0, l = colors.count; i < l; i ++ ) { + + var color = ( i < ( l / 2 ) ) ? _color1 : _color2; + + colors.setXYZ( i, color.r, color.g, color.b ); + + } + + colors.needsUpdate = true; + + } + + mesh.lookAt( _vector$a.setFromMatrixPosition( this.light.matrixWorld ).negate() ); + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function GridHelper( size, divisions, color1, color2 ) { + + size = size || 10; + divisions = divisions || 10; + color1 = new Color( color1 !== undefined ? color1 : 0x444444 ); + color2 = new Color( color2 !== undefined ? color2 : 0x888888 ); + + var center = divisions / 2; + var step = size / divisions; + var halfSize = size / 2; + + var vertices = [], colors = []; + + for ( var i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) { + + vertices.push( - halfSize, 0, k, halfSize, 0, k ); + vertices.push( k, 0, - halfSize, k, 0, halfSize ); + + var color = i === center ? color1 : color2; + + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + + } + + var geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + var material = new LineBasicMaterial( { vertexColors: true } ); + + LineSegments.call( this, geometry, material ); + +} + +GridHelper.prototype = Object.assign( Object.create( LineSegments.prototype ), { + + constructor: GridHelper, + + copy: function ( source ) { + + LineSegments.prototype.copy.call( this, source ); + + this.geometry.copy( source.geometry ); + this.material.copy( source.material ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author Mugen87 / http://github.com/Mugen87 + * @author Hectate / http://www.github.com/Hectate + */ + +function PolarGridHelper( radius, radials, circles, divisions, color1, color2 ) { + + radius = radius || 10; + radials = radials || 16; + circles = circles || 8; + divisions = divisions || 64; + color1 = new Color( color1 !== undefined ? color1 : 0x444444 ); + color2 = new Color( color2 !== undefined ? color2 : 0x888888 ); + + var vertices = []; + var colors = []; + + var x, z; + var v, i, j, r, color; + + // create the radials + + for ( i = 0; i <= radials; i ++ ) { + + v = ( i / radials ) * ( Math.PI * 2 ); + + x = Math.sin( v ) * radius; + z = Math.cos( v ) * radius; + + vertices.push( 0, 0, 0 ); + vertices.push( x, 0, z ); + + color = ( i & 1 ) ? color1 : color2; + + colors.push( color.r, color.g, color.b ); + colors.push( color.r, color.g, color.b ); + + } + + // create the circles + + for ( i = 0; i <= circles; i ++ ) { + + color = ( i & 1 ) ? color1 : color2; + + r = radius - ( radius / circles * i ); + + for ( j = 0; j < divisions; j ++ ) { + + // first vertex + + v = ( j / divisions ) * ( Math.PI * 2 ); + + x = Math.sin( v ) * r; + z = Math.cos( v ) * r; + + vertices.push( x, 0, z ); + colors.push( color.r, color.g, color.b ); + + // second vertex + + v = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 ); + + x = Math.sin( v ) * r; + z = Math.cos( v ) * r; + + vertices.push( x, 0, z ); + colors.push( color.r, color.g, color.b ); + + } + + } + + var geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + var material = new LineBasicMaterial( { vertexColors: true } ); + + LineSegments.call( this, geometry, material ); + +} + +PolarGridHelper.prototype = Object.create( LineSegments.prototype ); +PolarGridHelper.prototype.constructor = PolarGridHelper; + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ + +var _v1$5 = new Vector3(); +var _v2$3 = new Vector3(); +var _v3$1 = new Vector3(); + +function DirectionalLightHelper( light, size, color ) { + + Object3D.call( this ); + + this.light = light; + this.light.updateMatrixWorld(); + + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + + this.color = color; + + if ( size === undefined ) size = 1; + + var geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( [ + - size, size, 0, + size, size, 0, + size, - size, 0, + - size, - size, 0, + - size, size, 0 + ], 3 ) ); + + var material = new LineBasicMaterial( { fog: false } ); + + this.lightPlane = new Line( geometry, material ); + this.add( this.lightPlane ); + + geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) ); + + this.targetLine = new Line( geometry, material ); + this.add( this.targetLine ); + + this.update(); + +} + +DirectionalLightHelper.prototype = Object.create( Object3D.prototype ); +DirectionalLightHelper.prototype.constructor = DirectionalLightHelper; + +DirectionalLightHelper.prototype.dispose = function () { + + this.lightPlane.geometry.dispose(); + this.lightPlane.material.dispose(); + this.targetLine.geometry.dispose(); + this.targetLine.material.dispose(); + +}; + +DirectionalLightHelper.prototype.update = function () { + + _v1$5.setFromMatrixPosition( this.light.matrixWorld ); + _v2$3.setFromMatrixPosition( this.light.target.matrixWorld ); + _v3$1.subVectors( _v2$3, _v1$5 ); + + this.lightPlane.lookAt( _v2$3 ); + + if ( this.color !== undefined ) { + + this.lightPlane.material.color.set( this.color ); + this.targetLine.material.color.set( this.color ); + + } else { + + this.lightPlane.material.color.copy( this.light.color ); + this.targetLine.material.color.copy( this.light.color ); + + } + + this.targetLine.lookAt( _v2$3 ); + this.targetLine.scale.z = _v3$1.length(); + +}; + +/** + * @author alteredq / http://alteredqualia.com/ + * @author Mugen87 / https://github.com/Mugen87 + * + * - shows frustum, line of sight and up of the camera + * - suitable for fast updates + * - based on frustum visualization in lightgl.js shadowmap example + * http://evanw.github.com/lightgl.js/tests/shadowmap.html + */ + +var _vector$b = new Vector3(); +var _camera = new Camera(); + +function CameraHelper( camera ) { + + var geometry = new BufferGeometry(); + var material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true } ); + + var vertices = []; + var colors = []; + + var pointMap = {}; + + // colors + + var colorFrustum = new Color( 0xffaa00 ); + var colorCone = new Color( 0xff0000 ); + var colorUp = new Color( 0x00aaff ); + var colorTarget = new Color( 0xffffff ); + var colorCross = new Color( 0x333333 ); + + // near + + addLine( 'n1', 'n2', colorFrustum ); + addLine( 'n2', 'n4', colorFrustum ); + addLine( 'n4', 'n3', colorFrustum ); + addLine( 'n3', 'n1', colorFrustum ); + + // far + + addLine( 'f1', 'f2', colorFrustum ); + addLine( 'f2', 'f4', colorFrustum ); + addLine( 'f4', 'f3', colorFrustum ); + addLine( 'f3', 'f1', colorFrustum ); + + // sides + + addLine( 'n1', 'f1', colorFrustum ); + addLine( 'n2', 'f2', colorFrustum ); + addLine( 'n3', 'f3', colorFrustum ); + addLine( 'n4', 'f4', colorFrustum ); + + // cone + + addLine( 'p', 'n1', colorCone ); + addLine( 'p', 'n2', colorCone ); + addLine( 'p', 'n3', colorCone ); + addLine( 'p', 'n4', colorCone ); + + // up + + addLine( 'u1', 'u2', colorUp ); + addLine( 'u2', 'u3', colorUp ); + addLine( 'u3', 'u1', colorUp ); + + // target + + addLine( 'c', 't', colorTarget ); + addLine( 'p', 'c', colorCross ); + + // cross + + addLine( 'cn1', 'cn2', colorCross ); + addLine( 'cn3', 'cn4', colorCross ); + + addLine( 'cf1', 'cf2', colorCross ); + addLine( 'cf3', 'cf4', colorCross ); + + function addLine( a, b, color ) { + + addPoint( a, color ); + addPoint( b, color ); + + } + + function addPoint( id, color ) { + + vertices.push( 0, 0, 0 ); + colors.push( color.r, color.g, color.b ); + + if ( pointMap[ id ] === undefined ) { + + pointMap[ id ] = []; + + } + + pointMap[ id ].push( ( vertices.length / 3 ) - 1 ); + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + LineSegments.call( this, geometry, material ); + + this.camera = camera; + if ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix(); + + this.matrix = camera.matrixWorld; + this.matrixAutoUpdate = false; + + this.pointMap = pointMap; + + this.update(); + +} + +CameraHelper.prototype = Object.create( LineSegments.prototype ); +CameraHelper.prototype.constructor = CameraHelper; + +CameraHelper.prototype.update = function () { + + var geometry = this.geometry; + var pointMap = this.pointMap; + + var w = 1, h = 1; + + // we need just camera projection matrix inverse + // world matrix must be identity + + _camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse ); + + // center / target + + setPoint( 'c', pointMap, geometry, _camera, 0, 0, - 1 ); + setPoint( 't', pointMap, geometry, _camera, 0, 0, 1 ); + + // near + + setPoint( 'n1', pointMap, geometry, _camera, - w, - h, - 1 ); + setPoint( 'n2', pointMap, geometry, _camera, w, - h, - 1 ); + setPoint( 'n3', pointMap, geometry, _camera, - w, h, - 1 ); + setPoint( 'n4', pointMap, geometry, _camera, w, h, - 1 ); + + // far + + setPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 ); + setPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 ); + setPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 ); + setPoint( 'f4', pointMap, geometry, _camera, w, h, 1 ); + + // up + + setPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, - 1 ); + setPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, - 1 ); + setPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, - 1 ); + + // cross + + setPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 ); + setPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 ); + setPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 ); + setPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 ); + + setPoint( 'cn1', pointMap, geometry, _camera, - w, 0, - 1 ); + setPoint( 'cn2', pointMap, geometry, _camera, w, 0, - 1 ); + setPoint( 'cn3', pointMap, geometry, _camera, 0, - h, - 1 ); + setPoint( 'cn4', pointMap, geometry, _camera, 0, h, - 1 ); + + geometry.getAttribute( 'position' ).needsUpdate = true; + +}; + +function setPoint( point, pointMap, geometry, camera, x, y, z ) { + + _vector$b.set( x, y, z ).unproject( camera ); + + var points = pointMap[ point ]; + + if ( points !== undefined ) { + + var position = geometry.getAttribute( 'position' ); + + for ( var i = 0, l = points.length; i < l; i ++ ) { + + position.setXYZ( points[ i ], _vector$b.x, _vector$b.y, _vector$b.z ); + + } + + } + +} + +/** + * @author mrdoob / http://mrdoob.com/ + * @author Mugen87 / http://github.com/Mugen87 + */ + +var _box$3 = new Box3(); + +function BoxHelper( object, color ) { + + this.object = object; + + if ( color === undefined ) color = 0xffff00; + + var indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); + var positions = new Float32Array( 8 * 3 ); + + var geometry = new BufferGeometry(); + geometry.setIndex( new BufferAttribute( indices, 1 ) ); + geometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) ); + + LineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) ); + + this.matrixAutoUpdate = false; + + this.update(); + +} + +BoxHelper.prototype = Object.create( LineSegments.prototype ); +BoxHelper.prototype.constructor = BoxHelper; + +BoxHelper.prototype.update = function ( object ) { + + if ( object !== undefined ) { + + console.warn( 'THREE.BoxHelper: .update() has no longer arguments.' ); + + } + + if ( this.object !== undefined ) { + + _box$3.setFromObject( this.object ); + + } + + if ( _box$3.isEmpty() ) return; + + var min = _box$3.min; + var max = _box$3.max; + + /* + 5____4 + 1/___0/| + | 6__|_7 + 2/___3/ + + 0: max.x, max.y, max.z + 1: min.x, max.y, max.z + 2: min.x, min.y, max.z + 3: max.x, min.y, max.z + 4: max.x, max.y, min.z + 5: min.x, max.y, min.z + 6: min.x, min.y, min.z + 7: max.x, min.y, min.z + */ + + var position = this.geometry.attributes.position; + var array = position.array; + + array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z; + array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z; + array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z; + array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z; + array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z; + array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z; + array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z; + array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z; + + position.needsUpdate = true; + + this.geometry.computeBoundingSphere(); + + +}; + +BoxHelper.prototype.setFromObject = function ( object ) { + + this.object = object; + this.update(); + + return this; + +}; + +BoxHelper.prototype.copy = function ( source ) { + + LineSegments.prototype.copy.call( this, source ); + + this.object = source.object; + + return this; + +}; + +BoxHelper.prototype.clone = function () { + + return new this.constructor().copy( this ); + +}; + +/** + * @author WestLangley / http://github.com/WestLangley + */ + +function Box3Helper( box, color ) { + + this.type = 'Box3Helper'; + + this.box = box; + + color = color || 0xffff00; + + var indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); + + var positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ]; + + var geometry = new BufferGeometry(); + + geometry.setIndex( new BufferAttribute( indices, 1 ) ); + + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + + LineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) ); + + this.geometry.computeBoundingSphere(); + +} + +Box3Helper.prototype = Object.create( LineSegments.prototype ); +Box3Helper.prototype.constructor = Box3Helper; + +Box3Helper.prototype.updateMatrixWorld = function ( force ) { + + var box = this.box; + + if ( box.isEmpty() ) return; + + box.getCenter( this.position ); + + box.getSize( this.scale ); + + this.scale.multiplyScalar( 0.5 ); + + Object3D.prototype.updateMatrixWorld.call( this, force ); + +}; + +/** + * @author WestLangley / http://github.com/WestLangley + */ + +function PlaneHelper( plane, size, hex ) { + + this.type = 'PlaneHelper'; + + this.plane = plane; + + this.size = ( size === undefined ) ? 1 : size; + + var color = ( hex !== undefined ) ? hex : 0xffff00; + + var positions = [ 1, - 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0 ]; + + var geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + geometry.computeBoundingSphere(); + + Line.call( this, geometry, new LineBasicMaterial( { color: color } ) ); + + // + + var positions2 = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, - 1, 1, 1, - 1, 1 ]; + + var geometry2 = new BufferGeometry(); + geometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) ); + geometry2.computeBoundingSphere(); + + this.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false } ) ) ); + +} + +PlaneHelper.prototype = Object.create( Line.prototype ); +PlaneHelper.prototype.constructor = PlaneHelper; + +PlaneHelper.prototype.updateMatrixWorld = function ( force ) { + + var scale = - this.plane.constant; + + if ( Math.abs( scale ) < 1e-8 ) scale = 1e-8; // sign does not matter + + this.scale.set( 0.5 * this.size, 0.5 * this.size, scale ); + + this.children[ 0 ].material.side = ( scale < 0 ) ? BackSide : FrontSide; // renderer flips side when determinant < 0; flipping not wanted here + + this.lookAt( this.plane.normal ); + + Object3D.prototype.updateMatrixWorld.call( this, force ); + +}; + +/** + * @author WestLangley / http://github.com/WestLangley + * @author zz85 / http://github.com/zz85 + * @author bhouston / http://clara.io + * + * Creates an arrow for visualizing directions + * + * Parameters: + * dir - Vector3 + * origin - Vector3 + * length - Number + * color - color in hex value + * headLength - Number + * headWidth - Number + */ + +var _axis = new Vector3(); +var _lineGeometry, _coneGeometry; + +function ArrowHelper( dir, origin, length, color, headLength, headWidth ) { + + // dir is assumed to be normalized + + Object3D.call( this ); + + if ( dir === undefined ) dir = new Vector3( 0, 0, 1 ); + if ( origin === undefined ) origin = new Vector3( 0, 0, 0 ); + if ( length === undefined ) length = 1; + if ( color === undefined ) color = 0xffff00; + if ( headLength === undefined ) headLength = 0.2 * length; + if ( headWidth === undefined ) headWidth = 0.2 * headLength; + + if ( _lineGeometry === undefined ) { + + _lineGeometry = new BufferGeometry(); + _lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) ); + + _coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 ); + _coneGeometry.translate( 0, - 0.5, 0 ); + + } + + this.position.copy( origin ); + + this.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color } ) ); + this.line.matrixAutoUpdate = false; + this.add( this.line ); + + this.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color } ) ); + this.cone.matrixAutoUpdate = false; + this.add( this.cone ); + + this.setDirection( dir ); + this.setLength( length, headLength, headWidth ); + +} + +ArrowHelper.prototype = Object.create( Object3D.prototype ); +ArrowHelper.prototype.constructor = ArrowHelper; + +ArrowHelper.prototype.setDirection = function ( dir ) { + + // dir is assumed to be normalized + + if ( dir.y > 0.99999 ) { + + this.quaternion.set( 0, 0, 0, 1 ); + + } else if ( dir.y < - 0.99999 ) { + + this.quaternion.set( 1, 0, 0, 0 ); + + } else { + + _axis.set( dir.z, 0, - dir.x ).normalize(); + + var radians = Math.acos( dir.y ); + + this.quaternion.setFromAxisAngle( _axis, radians ); + + } + +}; + +ArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) { + + if ( headLength === undefined ) headLength = 0.2 * length; + if ( headWidth === undefined ) headWidth = 0.2 * headLength; + + this.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458 + this.line.updateMatrix(); + + this.cone.scale.set( headWidth, headLength, headWidth ); + this.cone.position.y = length; + this.cone.updateMatrix(); + +}; + +ArrowHelper.prototype.setColor = function ( color ) { + + this.line.material.color.set( color ); + this.cone.material.color.set( color ); + +}; + +ArrowHelper.prototype.copy = function ( source ) { + + Object3D.prototype.copy.call( this, source, false ); + + this.line.copy( source.line ); + this.cone.copy( source.cone ); + + return this; + +}; + +ArrowHelper.prototype.clone = function () { + + return new this.constructor().copy( this ); + +}; + +/** + * @author sroucheray / http://sroucheray.org/ + * @author mrdoob / http://mrdoob.com/ + */ + +function AxesHelper( size ) { + + size = size || 1; + + var vertices = [ + 0, 0, 0, size, 0, 0, + 0, 0, 0, 0, size, 0, + 0, 0, 0, 0, 0, size + ]; + + var colors = [ + 1, 0, 0, 1, 0.6, 0, + 0, 1, 0, 0.6, 1, 0, + 0, 0, 1, 0, 0.6, 1 + ]; + + var geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + var material = new LineBasicMaterial( { vertexColors: true } ); + + LineSegments.call( this, geometry, material ); + +} + +AxesHelper.prototype = Object.create( LineSegments.prototype ); +AxesHelper.prototype.constructor = AxesHelper; + +/** + * @author Emmett Lalish / elalish + * + * This class generates a Prefiltered, Mipmapped Radiance Environment Map + * (PMREM) from a cubeMap environment texture. This allows different levels of + * blur to be quickly accessed based on material roughness. It is packed into a + * special CubeUV format that allows us to perform custom interpolation so that + * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap + * chain, it only goes down to the LOD_MIN level (above), and then creates extra + * even more filtered 'mips' at the same LOD_MIN resolution, associated with + * higher roughness levels. In this way we maintain resolution to smoothly + * interpolate diffuse lighting while limiting sampling computation. + */ + +var LOD_MIN = 4; +var LOD_MAX = 8; +var SIZE_MAX = Math.pow( 2, LOD_MAX ); +// The standard deviations (radians) associated with the extra mips. These are +// chosen to approximate a Trowbridge-Reitz distribution function times the +// geometric shadowing function. These sigma values squared must match the +// variance #defines in cube_uv_reflection_fragment.glsl.js. +var EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ]; +var TOTAL_LODS = LOD_MAX - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length; +// The maximum length of the blur for loop. Smaller sigmas will use fewer +// samples and exit early, but not recompile the shader. +var MAX_SAMPLES = 20; +var ENCODINGS = { + [ LinearEncoding ]: 0, + [ sRGBEncoding ]: 1, + [ RGBEEncoding ]: 2, + [ RGBM7Encoding ]: 3, + [ RGBM16Encoding ]: 4, + [ RGBDEncoding ]: 5, + [ GammaEncoding ]: 6 +}; + +var _flatCamera = new OrthographicCamera(); +var _blurMaterial = _getBlurShader( MAX_SAMPLES ); +var _equirectShader = null; +var _cubemapShader = null; + +var { _lodPlanes, _sizeLods, _sigmas } = _createPlanes(); +var _pingPongRenderTarget = null; +var _renderer = null; + +var _oldTarget = null; + +// Golden Ratio +var PHI = ( 1 + Math.sqrt( 5 ) ) / 2; +var INV_PHI = 1 / PHI; +// Vertices of a dodecahedron (except the opposites, which represent the +// same axis), used as axis directions evenly spread on a sphere. +var _axisDirections = [ + new Vector3( 1, 1, 1 ), + new Vector3( - 1, 1, 1 ), + new Vector3( 1, 1, - 1 ), + new Vector3( - 1, 1, - 1 ), + new Vector3( 0, PHI, INV_PHI ), + new Vector3( 0, PHI, - INV_PHI ), + new Vector3( INV_PHI, 0, PHI ), + new Vector3( - INV_PHI, 0, PHI ), + new Vector3( PHI, INV_PHI, 0 ), + new Vector3( - PHI, INV_PHI, 0 ) ]; + +function PMREMGenerator( renderer ) { + + _renderer = renderer; + _compileMaterial( _blurMaterial ); + +} + +PMREMGenerator.prototype = { + + constructor: PMREMGenerator, + + /** + * Generates a PMREM from a supplied Scene, which can be faster than using an + * image if networking bandwidth is low. Optional sigma specifies a blur radius + * in radians to be applied to the scene before PMREM generation. Optional near + * and far planes ensure the scene is rendered in its entirety (the cubeCamera + * is placed at the origin). + */ + fromScene: function ( scene, sigma = 0, near = 0.1, far = 100 ) { + + _oldTarget = _renderer.getRenderTarget(); + var cubeUVRenderTarget = _allocateTargets(); + _sceneToCubeUV( scene, near, far, cubeUVRenderTarget ); + if ( sigma > 0 ) { + + _blur( cubeUVRenderTarget, 0, 0, sigma ); + + } + _applyPMREM( cubeUVRenderTarget ); + _cleanup( cubeUVRenderTarget ); + + return cubeUVRenderTarget; + + }, + + /** + * Generates a PMREM from an equirectangular texture, which can be either LDR + * (RGBFormat) or HDR (RGBEFormat). The ideal input image size is 1k (1024 x 512), + * as this matches best with the 256 x 256 cubemap output. + */ + fromEquirectangular: function ( equirectangular ) { + + equirectangular.magFilter = NearestFilter; + equirectangular.minFilter = NearestFilter; + equirectangular.generateMipmaps = false; + + return this.fromCubemap( equirectangular ); + + }, + + /** + * Generates a PMREM from an cubemap texture, which can be either LDR + * (RGBFormat) or HDR (RGBEFormat). The ideal input cube size is 256 x 256, + * as this matches best with the 256 x 256 cubemap output. + */ + fromCubemap: function ( cubemap ) { + + _oldTarget = _renderer.getRenderTarget(); + var cubeUVRenderTarget = _allocateTargets( cubemap ); + _textureToCubeUV( cubemap, cubeUVRenderTarget ); + _applyPMREM( cubeUVRenderTarget ); + _cleanup( cubeUVRenderTarget ); + + return cubeUVRenderTarget; + + }, + + /** + * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during + * your texture's network fetch for increased concurrency. + */ + compileCubemapShader: function () { + + if ( _cubemapShader == null ) { + + _cubemapShader = _getCubemapShader(); + _compileMaterial( _cubemapShader ); + + } + + }, + + /** + * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during + * your texture's network fetch for increased concurrency. + */ + compileEquirectangularShader: function () { + + if ( _equirectShader == null ) { + + _equirectShader = _getEquirectShader(); + _compileMaterial( _equirectShader ); + + } + + }, + + /** + * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class, + * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on + * one of them will cause any others to also become unusable. + */ + dispose: function () { + + _blurMaterial.dispose(); + + if ( _cubemapShader != null ) _cubemapShader.dispose(); + if ( _equirectShader != null ) _equirectShader.dispose(); + + for ( var i = 0; i < _lodPlanes.length; i ++ ) { + + _lodPlanes[ i ].dispose(); + + } + + }, + +}; + +function _createPlanes() { + + var _lodPlanes = []; + var _sizeLods = []; + var _sigmas = []; + + var lod = LOD_MAX; + for ( var i = 0; i < TOTAL_LODS; i ++ ) { + + var sizeLod = Math.pow( 2, lod ); + _sizeLods.push( sizeLod ); + var sigma = 1.0 / sizeLod; + if ( i > LOD_MAX - LOD_MIN ) { + + sigma = EXTRA_LOD_SIGMA[ i - LOD_MAX + LOD_MIN - 1 ]; + + } else if ( i == 0 ) { + + sigma = 0; + + } + _sigmas.push( sigma ); + + var texelSize = 1.0 / ( sizeLod - 1 ); + var min = - texelSize / 2; + var max = 1 + texelSize / 2; + var uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ]; + + var cubeFaces = 6; + var vertices = 6; + var positionSize = 3; + var uvSize = 2; + var faceIndexSize = 1; + + var position = new Float32Array( positionSize * vertices * cubeFaces ); + var uv = new Float32Array( uvSize * vertices * cubeFaces ); + var faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces ); + + for ( var face = 0; face < cubeFaces; face ++ ) { + + var x = ( face % 3 ) * 2 / 3 - 1; + var y = face > 2 ? 0 : - 1; + var coordinates = [ + x, y, 0, + x + 2 / 3, y, 0, + x + 2 / 3, y + 1, 0, + x, y, 0, + x + 2 / 3, y + 1, 0, + x, y + 1, 0 + ]; + position.set( coordinates, positionSize * vertices * face ); + uv.set( uv1, uvSize * vertices * face ); + var fill = [ face, face, face, face, face, face ]; + faceIndex.set( fill, faceIndexSize * vertices * face ); + + } + var planes = new BufferGeometry(); + planes.setAttribute( 'position', new BufferAttribute( position, positionSize ) ); + planes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) ); + planes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) ); + _lodPlanes.push( planes ); + + if ( lod > LOD_MIN ) { + + lod --; + + } + + } + return { _lodPlanes, _sizeLods, _sigmas }; + +} + +function _allocateTargets( equirectangular ) { + + var params = { + magFilter: NearestFilter, + minFilter: NearestFilter, + generateMipmaps: false, + type: equirectangular ? equirectangular.type : UnsignedByteType, + format: equirectangular ? equirectangular.format : RGBEFormat, + encoding: equirectangular ? equirectangular.encoding : RGBEEncoding, + depthBuffer: false, + stencilBuffer: false + }; + var cubeUVRenderTarget = _createRenderTarget( params ); + cubeUVRenderTarget.depthBuffer = equirectangular ? false : true; + _pingPongRenderTarget = _createRenderTarget( params ); + return cubeUVRenderTarget; + +} + +function _cleanup( outputTarget ) { + + _pingPongRenderTarget.dispose(); + _renderer.setRenderTarget( _oldTarget ); + outputTarget.scissorTest = false; + // reset viewport and scissor + outputTarget.setSize( outputTarget.width, outputTarget.height ); + +} + +function _sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) { + + var fov = 90; + var aspect = 1; + var cubeCamera = new PerspectiveCamera( fov, aspect, near, far ); + var upSign = [ 1, 1, 1, 1, - 1, 1 ]; + var forwardSign = [ 1, 1, - 1, - 1, - 1, 1 ]; + + var outputEncoding = _renderer.outputEncoding; + var toneMapping = _renderer.toneMapping; + var toneMappingExposure = _renderer.toneMappingExposure; + var clearColor = _renderer.getClearColor(); + var clearAlpha = _renderer.getClearAlpha(); + + _renderer.toneMapping = LinearToneMapping; + _renderer.toneMappingExposure = 1.0; + _renderer.outputEncoding = LinearEncoding; + scene.scale.z *= - 1; + + var background = scene.background; + if ( background && background.isColor ) { + + background.convertSRGBToLinear(); + // Convert linear to RGBE + var maxComponent = Math.max( background.r, background.g, background.b ); + var fExp = Math.min( Math.max( Math.ceil( Math.log2( maxComponent ) ), - 128.0 ), 127.0 ); + background = background.multiplyScalar( Math.pow( 2.0, - fExp ) ); + var alpha = ( fExp + 128.0 ) / 255.0; + _renderer.setClearColor( background, alpha ); + scene.background = null; + + } + + for ( var i = 0; i < 6; i ++ ) { + + var col = i % 3; + if ( col == 0 ) { + + cubeCamera.up.set( 0, upSign[ i ], 0 ); + cubeCamera.lookAt( forwardSign[ i ], 0, 0 ); + + } else if ( col == 1 ) { + + cubeCamera.up.set( 0, 0, upSign[ i ] ); + cubeCamera.lookAt( 0, forwardSign[ i ], 0 ); + + } else { + + cubeCamera.up.set( 0, upSign[ i ], 0 ); + cubeCamera.lookAt( 0, 0, forwardSign[ i ] ); + + } + _setViewport( cubeUVRenderTarget, + col * SIZE_MAX, i > 2 ? SIZE_MAX : 0, SIZE_MAX, SIZE_MAX ); + _renderer.setRenderTarget( cubeUVRenderTarget ); + _renderer.render( scene, cubeCamera ); + + } + + _renderer.toneMapping = toneMapping; + _renderer.toneMappingExposure = toneMappingExposure; + _renderer.outputEncoding = outputEncoding; + _renderer.setClearColor( clearColor, clearAlpha ); + scene.scale.z *= - 1; + +} + +function _textureToCubeUV( texture, cubeUVRenderTarget ) { + + var scene = new three_module_Scene(); + if ( texture.isCubeTexture ) { + + if ( _cubemapShader == null ) { + + _cubemapShader = _getCubemapShader(); + + } + + } else { + + if ( _equirectShader == null ) { + + _equirectShader = _getEquirectShader(); + + } + + } + var material = texture.isCubeTexture ? _cubemapShader : _equirectShader; + scene.add( new Mesh( _lodPlanes[ 0 ], material ) ); + var uniforms = material.uniforms; + + uniforms[ 'envMap' ].value = texture; + if ( ! texture.isCubeTexture ) { + + uniforms[ 'texelSize' ].value.set( 1.0 / texture.image.width, 1.0 / texture.image.height ); + + } + uniforms[ 'inputEncoding' ].value = ENCODINGS[ texture.encoding ]; + uniforms[ 'outputEncoding' ].value = ENCODINGS[ texture.encoding ]; + + _setViewport( cubeUVRenderTarget, 0, 0, 3 * SIZE_MAX, 2 * SIZE_MAX ); + _renderer.setRenderTarget( cubeUVRenderTarget ); + _renderer.render( scene, _flatCamera ); + +} + +function _compileMaterial( material ) { + + var tmpScene = new three_module_Scene(); + tmpScene.add( new Mesh( _lodPlanes[ 0 ], material ) ); + _renderer.compile( tmpScene, _flatCamera ); + +} + +function _createRenderTarget( params ) { + + var cubeUVRenderTarget = new WebGLRenderTarget( 3 * SIZE_MAX, 3 * SIZE_MAX, params ); + cubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping; + cubeUVRenderTarget.texture.name = 'PMREM.cubeUv'; + cubeUVRenderTarget.scissorTest = true; + return cubeUVRenderTarget; + +} + +function _setViewport( target, x, y, width, height ) { + + target.viewport.set( x, y, width, height ); + target.scissor.set( x, y, width, height ); + +} + +function _applyPMREM( cubeUVRenderTarget ) { + + var autoClear = _renderer.autoClear; + _renderer.autoClear = false; + + for ( var i = 1; i < TOTAL_LODS; i ++ ) { + + var sigma = Math.sqrt( + _sigmas[ i ] * _sigmas[ i ] - + _sigmas[ i - 1 ] * _sigmas[ i - 1 ] ); + var poleAxis = + _axisDirections[ ( i - 1 ) % _axisDirections.length ]; + _blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis ); + + } + + _renderer.autoClear = autoClear; + +} + +/** + * This is a two-pass Gaussian blur for a cubemap. Normally this is done + * vertically and horizontally, but this breaks down on a cube. Here we apply + * the blur latitudinally (around the poles), and then longitudinally (towards + * the poles) to approximate the orthogonally-separable blur. It is least + * accurate at the poles, but still does a decent job. + */ +function _blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) { + + _halfBlur( + cubeUVRenderTarget, + _pingPongRenderTarget, + lodIn, + lodOut, + sigma, + 'latitudinal', + poleAxis ); + + _halfBlur( + _pingPongRenderTarget, + cubeUVRenderTarget, + lodOut, + lodOut, + sigma, + 'longitudinal', + poleAxis ); + +} + +function _halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) { + + if ( direction !== 'latitudinal' && direction !== 'longitudinal' ) { + + console.error( + 'blur direction must be either latitudinal or longitudinal!' ); + + } + + // Number of standard deviations at which to cut off the discrete approximation. + var STANDARD_DEVIATIONS = 3; + + var blurScene = new three_module_Scene(); + blurScene.add( new Mesh( _lodPlanes[ lodOut ], _blurMaterial ) ); + var blurUniforms = _blurMaterial.uniforms; + + var pixels = _sizeLods[ lodIn ] - 1; + var radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 ); + var sigmaPixels = sigmaRadians / radiansPerPixel; + var samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES; + + if ( samples > MAX_SAMPLES ) { + + console.warn( `sigmaRadians, ${ + sigmaRadians}, is too large and will clip, as it requested ${ + samples} samples when the maximum is set to ${MAX_SAMPLES}` ); + + } + + var weights = []; + var sum = 0; + + for ( var i = 0; i < MAX_SAMPLES; ++ i ) { + + var x = i / sigmaPixels; + var weight = Math.exp( - x * x / 2 ); + weights.push( weight ); + + if ( i == 0 ) { + + sum += weight; + + } else if ( i < samples ) { + + sum += 2 * weight; + + } + + } + + for ( var i = 0; i < weights.length; i ++ ) { + + weights[ i ] = weights[ i ] / sum; + + } + + blurUniforms[ 'envMap' ].value = targetIn.texture; + blurUniforms[ 'samples' ].value = samples; + blurUniforms[ 'weights' ].value = weights; + blurUniforms[ 'latitudinal' ].value = direction === 'latitudinal'; + if ( poleAxis ) { + + blurUniforms[ 'poleAxis' ].value = poleAxis; + + } + blurUniforms[ 'dTheta' ].value = radiansPerPixel; + blurUniforms[ 'mipInt' ].value = LOD_MAX - lodIn; + blurUniforms[ 'inputEncoding' ].value = ENCODINGS[ targetIn.texture.encoding ]; + blurUniforms[ 'outputEncoding' ].value = ENCODINGS[ targetIn.texture.encoding ]; + + var outputSize = _sizeLods[ lodOut ]; + var x = 3 * Math.max( 0, SIZE_MAX - 2 * outputSize ); + var y = ( lodOut === 0 ? 0 : 2 * SIZE_MAX ) + + 2 * outputSize * + ( lodOut > LOD_MAX - LOD_MIN ? lodOut - LOD_MAX + LOD_MIN : 0 ); + + _setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize ); + _renderer.setRenderTarget( targetOut ); + _renderer.render( blurScene, _flatCamera ); + +} + +function _getBlurShader( maxSamples ) { + + var weights = new Float32Array( maxSamples ); + var poleAxis = new Vector3( 0, 1, 0 ); + var shaderMaterial = new RawShaderMaterial( { + + defines: { 'n': maxSamples }, + + uniforms: { + 'envMap': { value: null }, + 'samples': { value: 1 }, + 'weights': { value: weights }, + 'latitudinal': { value: false }, + 'dTheta': { value: 0 }, + 'mipInt': { value: 0 }, + 'poleAxis': { value: poleAxis }, + 'inputEncoding': { value: ENCODINGS[ LinearEncoding ] }, + 'outputEncoding': { value: ENCODINGS[ LinearEncoding ] } + }, + + vertexShader: _getCommonVertexShader(), + + fragmentShader: ` +precision mediump float; +precision mediump int; +varying vec3 vOutputDirection; +uniform sampler2D envMap; +uniform int samples; +uniform float weights[n]; +uniform bool latitudinal; +uniform float dTheta; +uniform float mipInt; +uniform vec3 poleAxis; + +${_getEncodings()} + +#define ENVMAP_TYPE_CUBE_UV +#include + +void main() { + gl_FragColor = vec4(0.0); + for (int i = 0; i < n; i++) { + if (i >= samples) + break; + for (int dir = -1; dir < 2; dir += 2) { + if (i == 0 && dir == 1) + continue; + vec3 axis = latitudinal ? poleAxis : cross(poleAxis, vOutputDirection); + if (all(equal(axis, vec3(0.0)))) + axis = cross(vec3(0.0, 1.0, 0.0), vOutputDirection); + axis = normalize(axis); + float theta = dTheta * float(dir * i); + float cosTheta = cos(theta); + // Rodrigues' axis-angle rotation + vec3 sampleDirection = vOutputDirection * cosTheta + + cross(axis, vOutputDirection) * sin(theta) + + axis * dot(axis, vOutputDirection) * (1.0 - cosTheta); + gl_FragColor.rgb += + weights[i] * bilinearCubeUV(envMap, sampleDirection, mipInt); + } + } + gl_FragColor = linearToOutputTexel(gl_FragColor); +} + `, + + blending: NoBlending, + depthTest: false, + depthWrite: false + + } ); + + shaderMaterial.type = 'SphericalGaussianBlur'; + + return shaderMaterial; + +} + +function _getEquirectShader() { + + var texelSize = new Vector2( 1, 1 ); + var shaderMaterial = new RawShaderMaterial( { + + uniforms: { + 'envMap': { value: null }, + 'texelSize': { value: texelSize }, + 'inputEncoding': { value: ENCODINGS[ LinearEncoding ] }, + 'outputEncoding': { value: ENCODINGS[ LinearEncoding ] } + }, + + vertexShader: _getCommonVertexShader(), + + fragmentShader: ` +precision mediump float; +precision mediump int; +varying vec3 vOutputDirection; +uniform sampler2D envMap; +uniform vec2 texelSize; + +${_getEncodings()} + +#define RECIPROCAL_PI 0.31830988618 +#define RECIPROCAL_PI2 0.15915494 + +void main() { + gl_FragColor = vec4(0.0); + vec3 outputDirection = normalize(vOutputDirection); + vec2 uv; + uv.y = asin(clamp(outputDirection.y, -1.0, 1.0)) * RECIPROCAL_PI + 0.5; + uv.x = atan(outputDirection.z, outputDirection.x) * RECIPROCAL_PI2 + 0.5; + vec2 f = fract(uv / texelSize - 0.5); + uv -= f * texelSize; + vec3 tl = envMapTexelToLinear(texture2D(envMap, uv)).rgb; + uv.x += texelSize.x; + vec3 tr = envMapTexelToLinear(texture2D(envMap, uv)).rgb; + uv.y += texelSize.y; + vec3 br = envMapTexelToLinear(texture2D(envMap, uv)).rgb; + uv.x -= texelSize.x; + vec3 bl = envMapTexelToLinear(texture2D(envMap, uv)).rgb; + vec3 tm = mix(tl, tr, f.x); + vec3 bm = mix(bl, br, f.x); + gl_FragColor.rgb = mix(tm, bm, f.y); + gl_FragColor = linearToOutputTexel(gl_FragColor); +} + `, + + blending: NoBlending, + depthTest: false, + depthWrite: false + + } ); + + shaderMaterial.type = 'EquirectangularToCubeUV'; + + return shaderMaterial; + +} + +function _getCubemapShader() { + + var shaderMaterial = new RawShaderMaterial( { + + uniforms: { + 'envMap': { value: null }, + 'inputEncoding': { value: ENCODINGS[ LinearEncoding ] }, + 'outputEncoding': { value: ENCODINGS[ LinearEncoding ] } + }, + + vertexShader: _getCommonVertexShader(), + + fragmentShader: ` +precision mediump float; +precision mediump int; +varying vec3 vOutputDirection; +uniform samplerCube envMap; + +${_getEncodings()} + +void main() { + gl_FragColor = vec4(0.0); + gl_FragColor.rgb = envMapTexelToLinear(textureCube(envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ))).rgb; + gl_FragColor = linearToOutputTexel(gl_FragColor); +} + `, + + blending: NoBlending, + depthTest: false, + depthWrite: false + + } ); + + shaderMaterial.type = 'CubemapToCubeUV'; + + return shaderMaterial; + +} + +function _getCommonVertexShader() { + + return ` +precision mediump float; +precision mediump int; +attribute vec3 position; +attribute vec2 uv; +attribute float faceIndex; +varying vec3 vOutputDirection; +vec3 getDirection(vec2 uv, float face) { + uv = 2.0 * uv - 1.0; + vec3 direction = vec3(uv, 1.0); + if (face == 0.0) { + direction = direction.zyx; + direction.z *= -1.0; + } else if (face == 1.0) { + direction = direction.xzy; + direction.z *= -1.0; + } else if (face == 3.0) { + direction = direction.zyx; + direction.x *= -1.0; + } else if (face == 4.0) { + direction = direction.xzy; + direction.y *= -1.0; + } else if (face == 5.0) { + direction.xz *= -1.0; + } + return direction; +} +void main() { + vOutputDirection = getDirection(uv, faceIndex); + gl_Position = vec4( position, 1.0 ); +} + `; + +} + +function _getEncodings() { + + return ` +uniform int inputEncoding; +uniform int outputEncoding; + +#include + +vec4 inputTexelToLinear(vec4 value){ + if(inputEncoding == 0){ + return value; + }else if(inputEncoding == 1){ + return sRGBToLinear(value); + }else if(inputEncoding == 2){ + return RGBEToLinear(value); + }else if(inputEncoding == 3){ + return RGBMToLinear(value, 7.0); + }else if(inputEncoding == 4){ + return RGBMToLinear(value, 16.0); + }else if(inputEncoding == 5){ + return RGBDToLinear(value, 256.0); + }else{ + return GammaToLinear(value, 2.2); + } +} + +vec4 linearToOutputTexel(vec4 value){ + if(outputEncoding == 0){ + return value; + }else if(outputEncoding == 1){ + return LinearTosRGB(value); + }else if(outputEncoding == 2){ + return LinearToRGBE(value); + }else if(outputEncoding == 3){ + return LinearToRGBM(value, 7.0); + }else if(outputEncoding == 4){ + return LinearToRGBM(value, 16.0); + }else if(outputEncoding == 5){ + return LinearToRGBD(value, 256.0); + }else{ + return LinearToGamma(value, 2.2); + } +} + +vec4 envMapTexelToLinear(vec4 color) { + return inputTexelToLinear(color); +} + `; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function Face4( a, b, c, d, normal, color, materialIndex ) { + + console.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' ); + return new Face3( a, b, c, normal, color, materialIndex ); + +} + +var LineStrip = 0; +var LinePieces = 1; +var NoColors = 0; +var FaceColors = 1; +var VertexColors = 2; + +function MeshFaceMaterial( materials ) { + + console.warn( 'THREE.MeshFaceMaterial has been removed. Use an Array instead.' ); + return materials; + +} + +function MultiMaterial( materials ) { + + if ( materials === undefined ) materials = []; + + console.warn( 'THREE.MultiMaterial has been removed. Use an Array instead.' ); + materials.isMultiMaterial = true; + materials.materials = materials; + materials.clone = function () { + + return materials.slice(); + + }; + return materials; + +} + +function PointCloud( geometry, material ) { + + console.warn( 'THREE.PointCloud has been renamed to THREE.Points.' ); + return new Points( geometry, material ); + +} + +function Particle( material ) { + + console.warn( 'THREE.Particle has been renamed to THREE.Sprite.' ); + return new Sprite( material ); + +} + +function ParticleSystem( geometry, material ) { + + console.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' ); + return new Points( geometry, material ); + +} + +function PointCloudMaterial( parameters ) { + + console.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); + +} + +function ParticleBasicMaterial( parameters ) { + + console.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); + +} + +function ParticleSystemMaterial( parameters ) { + + console.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); + +} + +function Vertex( x, y, z ) { + + console.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' ); + return new Vector3( x, y, z ); + +} + +// + +function DynamicBufferAttribute( array, itemSize ) { + + console.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setUsage( THREE.DynamicDrawUsage ) instead.' ); + return new BufferAttribute( array, itemSize ).setUsage( DynamicDrawUsage ); + +} + +function Int8Attribute( array, itemSize ) { + + console.warn( 'THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead.' ); + return new Int8BufferAttribute( array, itemSize ); + +} + +function Uint8Attribute( array, itemSize ) { + + console.warn( 'THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead.' ); + return new Uint8BufferAttribute( array, itemSize ); + +} + +function Uint8ClampedAttribute( array, itemSize ) { + + console.warn( 'THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead.' ); + return new Uint8ClampedBufferAttribute( array, itemSize ); + +} + +function Int16Attribute( array, itemSize ) { + + console.warn( 'THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead.' ); + return new Int16BufferAttribute( array, itemSize ); + +} + +function Uint16Attribute( array, itemSize ) { + + console.warn( 'THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead.' ); + return new Uint16BufferAttribute( array, itemSize ); + +} + +function Int32Attribute( array, itemSize ) { + + console.warn( 'THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead.' ); + return new Int32BufferAttribute( array, itemSize ); + +} + +function Uint32Attribute( array, itemSize ) { + + console.warn( 'THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead.' ); + return new Uint32BufferAttribute( array, itemSize ); + +} + +function Float32Attribute( array, itemSize ) { + + console.warn( 'THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead.' ); + return new Float32BufferAttribute( array, itemSize ); + +} + +function Float64Attribute( array, itemSize ) { + + console.warn( 'THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead.' ); + return new Float64BufferAttribute( array, itemSize ); + +} + +// + +Curve.create = function ( construct, getPoint ) { + + console.log( 'THREE.Curve.create() has been deprecated' ); + + construct.prototype = Object.create( Curve.prototype ); + construct.prototype.constructor = construct; + construct.prototype.getPoint = getPoint; + + return construct; + +}; + +// + +Object.assign( CurvePath.prototype, { + + createPointsGeometry: function ( divisions ) { + + console.warn( 'THREE.CurvePath: .createPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.' ); + + // generate geometry from path points (for Line or Points objects) + + var pts = this.getPoints( divisions ); + return this.createGeometry( pts ); + + }, + + createSpacedPointsGeometry: function ( divisions ) { + + console.warn( 'THREE.CurvePath: .createSpacedPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.' ); + + // generate geometry from equidistant sampling along the path + + var pts = this.getSpacedPoints( divisions ); + return this.createGeometry( pts ); + + }, + + createGeometry: function ( points ) { + + console.warn( 'THREE.CurvePath: .createGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.' ); + + var geometry = new Geometry(); + + for ( var i = 0, l = points.length; i < l; i ++ ) { + + var point = points[ i ]; + geometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) ); + + } + + return geometry; + + } + +} ); + +// + +Object.assign( Path.prototype, { + + fromPoints: function ( points ) { + + console.warn( 'THREE.Path: .fromPoints() has been renamed to .setFromPoints().' ); + return this.setFromPoints( points ); + + } + +} ); + +// + +function ClosedSplineCurve3( points ) { + + console.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.' ); + + CatmullRomCurve3.call( this, points ); + this.type = 'catmullrom'; + this.closed = true; + +} + +ClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype ); + +// + +function SplineCurve3( points ) { + + console.warn( 'THREE.SplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.' ); + + CatmullRomCurve3.call( this, points ); + this.type = 'catmullrom'; + +} + +SplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype ); + +// + +function Spline( points ) { + + console.warn( 'THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead.' ); + + CatmullRomCurve3.call( this, points ); + this.type = 'catmullrom'; + +} + +Spline.prototype = Object.create( CatmullRomCurve3.prototype ); + +Object.assign( Spline.prototype, { + + initFromArray: function ( /* a */ ) { + + console.error( 'THREE.Spline: .initFromArray() has been removed.' ); + + }, + getControlPointsArray: function ( /* optionalTarget */ ) { + + console.error( 'THREE.Spline: .getControlPointsArray() has been removed.' ); + + }, + reparametrizeByArcLength: function ( /* samplingCoef */ ) { + + console.error( 'THREE.Spline: .reparametrizeByArcLength() has been removed.' ); + + } + +} ); + +// + +function AxisHelper( size ) { + + console.warn( 'THREE.AxisHelper has been renamed to THREE.AxesHelper.' ); + return new AxesHelper( size ); + +} + +function BoundingBoxHelper( object, color ) { + + console.warn( 'THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead.' ); + return new BoxHelper( object, color ); + +} + +function EdgesHelper( object, hex ) { + + console.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' ); + return new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); + +} + +GridHelper.prototype.setColors = function () { + + console.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' ); + +}; + +SkeletonHelper.prototype.update = function () { + + console.error( 'THREE.SkeletonHelper: update() no longer needs to be called.' ); + +}; + +function WireframeHelper( object, hex ) { + + console.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' ); + return new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); + +} + +// + +Object.assign( Loader.prototype, { + + extractUrlBase: function ( url ) { + + console.warn( 'THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead.' ); + return LoaderUtils.extractUrlBase( url ); + + } + +} ); + +Loader.Handlers = { + + add: function ( /* regex, loader */ ) { + + console.error( 'THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.' ); + + }, + + get: function ( /* file */ ) { + + console.error( 'THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.' ); + + } + +}; + +function XHRLoader( manager ) { + + console.warn( 'THREE.XHRLoader has been renamed to THREE.FileLoader.' ); + return new FileLoader( manager ); + +} + +function BinaryTextureLoader( manager ) { + + console.warn( 'THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader.' ); + return new DataTextureLoader( manager ); + +} + +Object.assign( ObjectLoader.prototype, { + + setTexturePath: function ( value ) { + + console.warn( 'THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath().' ); + return this.setResourcePath( value ); + + } + +} ); + +// + +Object.assign( Box2.prototype, { + + center: function ( optionalTarget ) { + + console.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + + }, + empty: function () { + + console.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' ); + return this.isEmpty(); + + }, + isIntersectionBox: function ( box ) { + + console.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + + }, + size: function ( optionalTarget ) { + + console.warn( 'THREE.Box2: .size() has been renamed to .getSize().' ); + return this.getSize( optionalTarget ); + + } +} ); + +Object.assign( Box3.prototype, { + + center: function ( optionalTarget ) { + + console.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + + }, + empty: function () { + + console.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' ); + return this.isEmpty(); + + }, + isIntersectionBox: function ( box ) { + + console.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + + }, + isIntersectionSphere: function ( sphere ) { + + console.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); + return this.intersectsSphere( sphere ); + + }, + size: function ( optionalTarget ) { + + console.warn( 'THREE.Box3: .size() has been renamed to .getSize().' ); + return this.getSize( optionalTarget ); + + } +} ); + +Frustum.prototype.setFromMatrix = function ( m ) { + + console.warn( 'THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix().' ); + return this.setFromProjectionMatrix( m ); + +}; + +Line3.prototype.center = function ( optionalTarget ) { + + console.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + +}; + +Object.assign( MathUtils, { + + random16: function () { + + console.warn( 'THREE.Math: .random16() has been deprecated. Use Math.random() instead.' ); + return Math.random(); + + }, + + nearestPowerOfTwo: function ( value ) { + + console.warn( 'THREE.Math: .nearestPowerOfTwo() has been renamed to .floorPowerOfTwo().' ); + return MathUtils.floorPowerOfTwo( value ); + + }, + + nextPowerOfTwo: function ( value ) { + + console.warn( 'THREE.Math: .nextPowerOfTwo() has been renamed to .ceilPowerOfTwo().' ); + return MathUtils.ceilPowerOfTwo( value ); + + } + +} ); + +Object.assign( Matrix3.prototype, { + + flattenToArrayOffset: function ( array, offset ) { + + console.warn( "THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead." ); + return this.toArray( array, offset ); + + }, + multiplyVector3: function ( vector ) { + + console.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' ); + return vector.applyMatrix3( this ); + + }, + multiplyVector3Array: function ( /* a */ ) { + + console.error( 'THREE.Matrix3: .multiplyVector3Array() has been removed.' ); + + }, + applyToBufferAttribute: function ( attribute ) { + + console.warn( 'THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead.' ); + return attribute.applyMatrix3( this ); + + }, + applyToVector3Array: function ( /* array, offset, length */ ) { + + console.error( 'THREE.Matrix3: .applyToVector3Array() has been removed.' ); + + } + +} ); + +Object.assign( Matrix4.prototype, { + + extractPosition: function ( m ) { + + console.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' ); + return this.copyPosition( m ); + + }, + flattenToArrayOffset: function ( array, offset ) { + + console.warn( "THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead." ); + return this.toArray( array, offset ); + + }, + getPosition: function () { + + console.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' ); + return new Vector3().setFromMatrixColumn( this, 3 ); + + }, + setRotationFromQuaternion: function ( q ) { + + console.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' ); + return this.makeRotationFromQuaternion( q ); + + }, + multiplyToArray: function () { + + console.warn( 'THREE.Matrix4: .multiplyToArray() has been removed.' ); + + }, + multiplyVector3: function ( vector ) { + + console.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); + return vector.applyMatrix4( this ); + + }, + multiplyVector4: function ( vector ) { + + console.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); + return vector.applyMatrix4( this ); + + }, + multiplyVector3Array: function ( /* a */ ) { + + console.error( 'THREE.Matrix4: .multiplyVector3Array() has been removed.' ); + + }, + rotateAxis: function ( v ) { + + console.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' ); + v.transformDirection( this ); + + }, + crossVector: function ( vector ) { + + console.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); + return vector.applyMatrix4( this ); + + }, + translate: function () { + + console.error( 'THREE.Matrix4: .translate() has been removed.' ); + + }, + rotateX: function () { + + console.error( 'THREE.Matrix4: .rotateX() has been removed.' ); + + }, + rotateY: function () { + + console.error( 'THREE.Matrix4: .rotateY() has been removed.' ); + + }, + rotateZ: function () { + + console.error( 'THREE.Matrix4: .rotateZ() has been removed.' ); + + }, + rotateByAxis: function () { + + console.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' ); + + }, + applyToBufferAttribute: function ( attribute ) { + + console.warn( 'THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead.' ); + return attribute.applyMatrix4( this ); + + }, + applyToVector3Array: function ( /* array, offset, length */ ) { + + console.error( 'THREE.Matrix4: .applyToVector3Array() has been removed.' ); + + }, + makeFrustum: function ( left, right, bottom, top, near, far ) { + + console.warn( 'THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead.' ); + return this.makePerspective( left, right, top, bottom, near, far ); + + } + +} ); + +Plane.prototype.isIntersectionLine = function ( line ) { + + console.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' ); + return this.intersectsLine( line ); + +}; + +Quaternion.prototype.multiplyVector3 = function ( vector ) { + + console.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' ); + return vector.applyQuaternion( this ); + +}; + +Object.assign( Ray.prototype, { + + isIntersectionBox: function ( box ) { + + console.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + + }, + isIntersectionPlane: function ( plane ) { + + console.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' ); + return this.intersectsPlane( plane ); + + }, + isIntersectionSphere: function ( sphere ) { + + console.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); + return this.intersectsSphere( sphere ); + + } + +} ); + +Object.assign( Triangle.prototype, { + + area: function () { + + console.warn( 'THREE.Triangle: .area() has been renamed to .getArea().' ); + return this.getArea(); + + }, + barycoordFromPoint: function ( point, target ) { + + console.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' ); + return this.getBarycoord( point, target ); + + }, + midpoint: function ( target ) { + + console.warn( 'THREE.Triangle: .midpoint() has been renamed to .getMidpoint().' ); + return this.getMidpoint( target ); + + }, + normal: function ( target ) { + + console.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' ); + return this.getNormal( target ); + + }, + plane: function ( target ) { + + console.warn( 'THREE.Triangle: .plane() has been renamed to .getPlane().' ); + return this.getPlane( target ); + + } + +} ); + +Object.assign( Triangle, { + + barycoordFromPoint: function ( point, a, b, c, target ) { + + console.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' ); + return Triangle.getBarycoord( point, a, b, c, target ); + + }, + normal: function ( a, b, c, target ) { + + console.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' ); + return Triangle.getNormal( a, b, c, target ); + + } + +} ); + +Object.assign( Shape.prototype, { + + extractAllPoints: function ( divisions ) { + + console.warn( 'THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead.' ); + return this.extractPoints( divisions ); + + }, + extrude: function ( options ) { + + console.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' ); + return new ExtrudeGeometry( this, options ); + + }, + makeGeometry: function ( options ) { + + console.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' ); + return new ShapeGeometry( this, options ); + + } + +} ); + +Object.assign( Vector2.prototype, { + + fromAttribute: function ( attribute, index, offset ) { + + console.warn( 'THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute().' ); + return this.fromBufferAttribute( attribute, index, offset ); + + }, + distanceToManhattan: function ( v ) { + + console.warn( 'THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' ); + return this.manhattanDistanceTo( v ); + + }, + lengthManhattan: function () { + + console.warn( 'THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength().' ); + return this.manhattanLength(); + + } + +} ); + +Object.assign( Vector3.prototype, { + + setEulerFromRotationMatrix: function () { + + console.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' ); + + }, + setEulerFromQuaternion: function () { + + console.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' ); + + }, + getPositionFromMatrix: function ( m ) { + + console.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' ); + return this.setFromMatrixPosition( m ); + + }, + getScaleFromMatrix: function ( m ) { + + console.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' ); + return this.setFromMatrixScale( m ); + + }, + getColumnFromMatrix: function ( index, matrix ) { + + console.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' ); + return this.setFromMatrixColumn( matrix, index ); + + }, + applyProjection: function ( m ) { + + console.warn( 'THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead.' ); + return this.applyMatrix4( m ); + + }, + fromAttribute: function ( attribute, index, offset ) { + + console.warn( 'THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute().' ); + return this.fromBufferAttribute( attribute, index, offset ); + + }, + distanceToManhattan: function ( v ) { + + console.warn( 'THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' ); + return this.manhattanDistanceTo( v ); + + }, + lengthManhattan: function () { + + console.warn( 'THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength().' ); + return this.manhattanLength(); + + } + +} ); + +Object.assign( Vector4.prototype, { + + fromAttribute: function ( attribute, index, offset ) { + + console.warn( 'THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute().' ); + return this.fromBufferAttribute( attribute, index, offset ); + + }, + lengthManhattan: function () { + + console.warn( 'THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength().' ); + return this.manhattanLength(); + + } + +} ); + +// + +Object.assign( Geometry.prototype, { + + computeTangents: function () { + + console.error( 'THREE.Geometry: .computeTangents() has been removed.' ); + + }, + computeLineDistances: function () { + + console.error( 'THREE.Geometry: .computeLineDistances() has been removed. Use THREE.Line.computeLineDistances() instead.' ); + + }, + applyMatrix: function ( matrix ) { + + console.warn( 'THREE.Geometry: .applyMatrix() has been renamed to .applyMatrix4().' ); + return this.applyMatrix4( matrix ); + + } + +} ); + +Object.assign( Object3D.prototype, { + + getChildByName: function ( name ) { + + console.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' ); + return this.getObjectByName( name ); + + }, + renderDepth: function () { + + console.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' ); + + }, + translate: function ( distance, axis ) { + + console.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' ); + return this.translateOnAxis( axis, distance ); + + }, + getWorldRotation: function () { + + console.error( 'THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.' ); + + }, + applyMatrix: function ( matrix ) { + + console.warn( 'THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4().' ); + return this.applyMatrix4( matrix ); + + } + +} ); + +Object.defineProperties( Object3D.prototype, { + + eulerOrder: { + get: function () { + + console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); + return this.rotation.order; + + }, + set: function ( value ) { + + console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); + this.rotation.order = value; + + } + }, + useQuaternion: { + get: function () { + + console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); + + }, + set: function () { + + console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); + + } + } + +} ); + +Object.assign( Mesh.prototype, { + + setDrawMode: function () { + + console.error( 'THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' ); + + }, + +} ); + +Object.defineProperties( Mesh.prototype, { + + drawMode: { + get: function () { + + console.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode.' ); + return TrianglesDrawMode; + + }, + set: function () { + + console.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' ); + + } + } + +} ); + +Object.defineProperties( LOD.prototype, { + + objects: { + get: function () { + + console.warn( 'THREE.LOD: .objects has been renamed to .levels.' ); + return this.levels; + + } + } + +} ); + +Object.defineProperty( Skeleton.prototype, 'useVertexTexture', { + + get: function () { + + console.warn( 'THREE.Skeleton: useVertexTexture has been removed.' ); + + }, + set: function () { + + console.warn( 'THREE.Skeleton: useVertexTexture has been removed.' ); + + } + +} ); + +SkinnedMesh.prototype.initBones = function () { + + console.error( 'THREE.SkinnedMesh: initBones() has been removed.' ); + +}; + +Object.defineProperty( Curve.prototype, '__arcLengthDivisions', { + + get: function () { + + console.warn( 'THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions.' ); + return this.arcLengthDivisions; + + }, + set: function ( value ) { + + console.warn( 'THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions.' ); + this.arcLengthDivisions = value; + + } + +} ); + +// + +PerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) { + + console.warn( "THREE.PerspectiveCamera.setLens is deprecated. " + + "Use .setFocalLength and .filmGauge for a photographic setup." ); + + if ( filmGauge !== undefined ) this.filmGauge = filmGauge; + this.setFocalLength( focalLength ); + +}; + +// + +Object.defineProperties( Light.prototype, { + onlyShadow: { + set: function () { + + console.warn( 'THREE.Light: .onlyShadow has been removed.' ); + + } + }, + shadowCameraFov: { + set: function ( value ) { + + console.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' ); + this.shadow.camera.fov = value; + + } + }, + shadowCameraLeft: { + set: function ( value ) { + + console.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' ); + this.shadow.camera.left = value; + + } + }, + shadowCameraRight: { + set: function ( value ) { + + console.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' ); + this.shadow.camera.right = value; + + } + }, + shadowCameraTop: { + set: function ( value ) { + + console.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' ); + this.shadow.camera.top = value; + + } + }, + shadowCameraBottom: { + set: function ( value ) { + + console.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' ); + this.shadow.camera.bottom = value; + + } + }, + shadowCameraNear: { + set: function ( value ) { + + console.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' ); + this.shadow.camera.near = value; + + } + }, + shadowCameraFar: { + set: function ( value ) { + + console.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' ); + this.shadow.camera.far = value; + + } + }, + shadowCameraVisible: { + set: function () { + + console.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' ); + + } + }, + shadowBias: { + set: function ( value ) { + + console.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' ); + this.shadow.bias = value; + + } + }, + shadowDarkness: { + set: function () { + + console.warn( 'THREE.Light: .shadowDarkness has been removed.' ); + + } + }, + shadowMapWidth: { + set: function ( value ) { + + console.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' ); + this.shadow.mapSize.width = value; + + } + }, + shadowMapHeight: { + set: function ( value ) { + + console.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' ); + this.shadow.mapSize.height = value; + + } + } +} ); + +// + +Object.defineProperties( BufferAttribute.prototype, { + + length: { + get: function () { + + console.warn( 'THREE.BufferAttribute: .length has been deprecated. Use .count instead.' ); + return this.array.length; + + } + }, + dynamic: { + get: function () { + + console.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' ); + return this.usage === DynamicDrawUsage; + + }, + set: function ( /* value */ ) { + + console.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' ); + this.setUsage( DynamicDrawUsage ); + + } + } + +} ); + +Object.assign( BufferAttribute.prototype, { + setDynamic: function ( value ) { + + console.warn( 'THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead.' ); + this.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage ); + return this; + + }, + copyIndicesArray: function ( /* indices */ ) { + + console.error( 'THREE.BufferAttribute: .copyIndicesArray() has been removed.' ); + + }, + setArray: function ( /* array */ ) { + + console.error( 'THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' ); + + } +} ); + +Object.assign( BufferGeometry.prototype, { + + addIndex: function ( index ) { + + console.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' ); + this.setIndex( index ); + + }, + addAttribute: function ( name, attribute ) { + + console.warn( 'THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute().' ); + + if ( ! ( attribute && attribute.isBufferAttribute ) && ! ( attribute && attribute.isInterleavedBufferAttribute ) ) { + + console.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' ); + + return this.setAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) ); + + } + + if ( name === 'index' ) { + + console.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' ); + this.setIndex( attribute ); + + return this; + + } + + return this.setAttribute( name, attribute ); + + }, + addDrawCall: function ( start, count, indexOffset ) { + + if ( indexOffset !== undefined ) { + + console.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' ); + + } + console.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' ); + this.addGroup( start, count ); + + }, + clearDrawCalls: function () { + + console.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' ); + this.clearGroups(); + + }, + computeTangents: function () { + + console.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' ); + + }, + computeOffsets: function () { + + console.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' ); + + }, + removeAttribute: function ( name ) { + + console.warn( 'THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute().' ); + + return this.deleteAttribute( name ); + + }, + applyMatrix: function ( matrix ) { + + console.warn( 'THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4().' ); + return this.applyMatrix4( matrix ); + + } + +} ); + +Object.defineProperties( BufferGeometry.prototype, { + + drawcalls: { + get: function () { + + console.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' ); + return this.groups; + + } + }, + offsets: { + get: function () { + + console.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' ); + return this.groups; + + } + } + +} ); + +Object.defineProperties( Raycaster.prototype, { + + linePrecision: { + get: function () { + + console.warn( 'THREE.Raycaster: .linePrecision has been deprecated. Use .params.Line.threshold instead.' ); + return this.params.Line.threshold; + + }, + set: function ( value ) { + + console.warn( 'THREE.Raycaster: .linePrecision has been deprecated. Use .params.Line.threshold instead.' ); + this.params.Line.threshold = value; + + } + } + +} ); + +Object.defineProperties( InterleavedBuffer.prototype, { + + dynamic: { + get: function () { + + console.warn( 'THREE.InterleavedBuffer: .length has been deprecated. Use .usage instead.' ); + return this.usage === DynamicDrawUsage; + + }, + set: function ( value ) { + + console.warn( 'THREE.InterleavedBuffer: .length has been deprecated. Use .usage instead.' ); + this.setUsage( value ); + + } + } + +} ); + +Object.assign( InterleavedBuffer.prototype, { + setDynamic: function ( value ) { + + console.warn( 'THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead.' ); + this.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage ); + return this; + + }, + setArray: function ( /* array */ ) { + + console.error( 'THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' ); + + } +} ); + +// + +Object.assign( ExtrudeBufferGeometry.prototype, { + + getArrays: function () { + + console.error( 'THREE.ExtrudeBufferGeometry: .getArrays() has been removed.' ); + + }, + + addShapeList: function () { + + console.error( 'THREE.ExtrudeBufferGeometry: .addShapeList() has been removed.' ); + + }, + + addShape: function () { + + console.error( 'THREE.ExtrudeBufferGeometry: .addShape() has been removed.' ); + + } + +} ); + +// + +Object.defineProperties( Uniform.prototype, { + + dynamic: { + set: function () { + + console.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' ); + + } + }, + onUpdate: { + value: function () { + + console.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' ); + return this; + + } + } + +} ); + +// + +Object.defineProperties( Material.prototype, { + + wrapAround: { + get: function () { + + console.warn( 'THREE.Material: .wrapAround has been removed.' ); + + }, + set: function () { + + console.warn( 'THREE.Material: .wrapAround has been removed.' ); + + } + }, + + overdraw: { + get: function () { + + console.warn( 'THREE.Material: .overdraw has been removed.' ); + + }, + set: function () { + + console.warn( 'THREE.Material: .overdraw has been removed.' ); + + } + }, + + wrapRGB: { + get: function () { + + console.warn( 'THREE.Material: .wrapRGB has been removed.' ); + return new Color(); + + } + }, + + shading: { + get: function () { + + console.error( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' ); + + }, + set: function ( value ) { + + console.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' ); + this.flatShading = ( value === FlatShading ); + + } + }, + + stencilMask: { + get: function () { + + console.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' ); + return this.stencilFuncMask; + + }, + set: function ( value ) { + + console.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' ); + this.stencilFuncMask = value; + + } + } + +} ); + +Object.defineProperties( MeshPhongMaterial.prototype, { + + metal: { + get: function () { + + console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' ); + return false; + + }, + set: function () { + + console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' ); + + } + } + +} ); + +Object.defineProperties( ShaderMaterial.prototype, { + + derivatives: { + get: function () { + + console.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); + return this.extensions.derivatives; + + }, + set: function ( value ) { + + console.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); + this.extensions.derivatives = value; + + } + } + +} ); + +// + +Object.assign( WebGLRenderer.prototype, { + + clearTarget: function ( renderTarget, color, depth, stencil ) { + + console.warn( 'THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead.' ); + this.setRenderTarget( renderTarget ); + this.clear( color, depth, stencil ); + + }, + animate: function ( callback ) { + + console.warn( 'THREE.WebGLRenderer: .animate() is now .setAnimationLoop().' ); + this.setAnimationLoop( callback ); + + }, + getCurrentRenderTarget: function () { + + console.warn( 'THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget().' ); + return this.getRenderTarget(); + + }, + getMaxAnisotropy: function () { + + console.warn( 'THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy().' ); + return this.capabilities.getMaxAnisotropy(); + + }, + getPrecision: function () { + + console.warn( 'THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision.' ); + return this.capabilities.precision; + + }, + resetGLState: function () { + + console.warn( 'THREE.WebGLRenderer: .resetGLState() is now .state.reset().' ); + return this.state.reset(); + + }, + supportsFloatTextures: function () { + + console.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \'OES_texture_float\' ).' ); + return this.extensions.get( 'OES_texture_float' ); + + }, + supportsHalfFloatTextures: function () { + + console.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \'OES_texture_half_float\' ).' ); + return this.extensions.get( 'OES_texture_half_float' ); + + }, + supportsStandardDerivatives: function () { + + console.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \'OES_standard_derivatives\' ).' ); + return this.extensions.get( 'OES_standard_derivatives' ); + + }, + supportsCompressedTextureS3TC: function () { + + console.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \'WEBGL_compressed_texture_s3tc\' ).' ); + return this.extensions.get( 'WEBGL_compressed_texture_s3tc' ); + + }, + supportsCompressedTexturePVRTC: function () { + + console.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \'WEBGL_compressed_texture_pvrtc\' ).' ); + return this.extensions.get( 'WEBGL_compressed_texture_pvrtc' ); + + }, + supportsBlendMinMax: function () { + + console.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \'EXT_blend_minmax\' ).' ); + return this.extensions.get( 'EXT_blend_minmax' ); + + }, + supportsVertexTextures: function () { + + console.warn( 'THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures.' ); + return this.capabilities.vertexTextures; + + }, + supportsInstancedArrays: function () { + + console.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \'ANGLE_instanced_arrays\' ).' ); + return this.extensions.get( 'ANGLE_instanced_arrays' ); + + }, + enableScissorTest: function ( boolean ) { + + console.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' ); + this.setScissorTest( boolean ); + + }, + initMaterial: function () { + + console.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' ); + + }, + addPrePlugin: function () { + + console.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' ); + + }, + addPostPlugin: function () { + + console.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' ); + + }, + updateShadowMap: function () { + + console.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' ); + + }, + setFaceCulling: function () { + + console.warn( 'THREE.WebGLRenderer: .setFaceCulling() has been removed.' ); + + }, + allocTextureUnit: function () { + + console.warn( 'THREE.WebGLRenderer: .allocTextureUnit() has been removed.' ); + + }, + setTexture: function () { + + console.warn( 'THREE.WebGLRenderer: .setTexture() has been removed.' ); + + }, + setTexture2D: function () { + + console.warn( 'THREE.WebGLRenderer: .setTexture2D() has been removed.' ); + + }, + setTextureCube: function () { + + console.warn( 'THREE.WebGLRenderer: .setTextureCube() has been removed.' ); + + }, + getActiveMipMapLevel: function () { + + console.warn( 'THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel().' ); + return this.getActiveMipmapLevel(); + + } + +} ); + +Object.defineProperties( WebGLRenderer.prototype, { + + shadowMapEnabled: { + get: function () { + + return this.shadowMap.enabled; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' ); + this.shadowMap.enabled = value; + + } + }, + shadowMapType: { + get: function () { + + return this.shadowMap.type; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' ); + this.shadowMap.type = value; + + } + }, + shadowMapCullFace: { + get: function () { + + console.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' ); + return undefined; + + }, + set: function ( /* value */ ) { + + console.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' ); + + } + }, + context: { + get: function () { + + console.warn( 'THREE.WebGLRenderer: .context has been removed. Use .getContext() instead.' ); + return this.getContext(); + + } + }, + vr: { + get: function () { + + console.warn( 'THREE.WebGLRenderer: .vr has been renamed to .xr' ); + return this.xr; + + } + }, + gammaInput: { + get: function () { + + console.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' ); + return false; + + }, + set: function () { + + console.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' ); + + } + }, + gammaOutput: { + get: function () { + + console.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' ); + return false; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' ); + this.outputEncoding = ( value === true ) ? sRGBEncoding : LinearEncoding; + + } + } + +} ); + +Object.defineProperties( WebGLShadowMap.prototype, { + + cullFace: { + get: function () { + + console.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' ); + return undefined; + + }, + set: function ( /* cullFace */ ) { + + console.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' ); + + } + }, + renderReverseSided: { + get: function () { + + console.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' ); + return undefined; + + }, + set: function () { + + console.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' ); + + } + }, + renderSingleSided: { + get: function () { + + console.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' ); + return undefined; + + }, + set: function () { + + console.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' ); + + } + } + +} ); + +function WebGLRenderTargetCube( width, height, options ) { + + console.warn( 'THREE.WebGLRenderTargetCube( width, height, options ) is now WebGLCubeRenderTarget( size, options ).' ); + return new WebGLCubeRenderTarget( width, options ); + +} + +// + +Object.defineProperties( WebGLRenderTarget.prototype, { + + wrapS: { + get: function () { + + console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); + return this.texture.wrapS; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); + this.texture.wrapS = value; + + } + }, + wrapT: { + get: function () { + + console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); + return this.texture.wrapT; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); + this.texture.wrapT = value; + + } + }, + magFilter: { + get: function () { + + console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); + return this.texture.magFilter; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); + this.texture.magFilter = value; + + } + }, + minFilter: { + get: function () { + + console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); + return this.texture.minFilter; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); + this.texture.minFilter = value; + + } + }, + anisotropy: { + get: function () { + + console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); + return this.texture.anisotropy; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); + this.texture.anisotropy = value; + + } + }, + offset: { + get: function () { + + console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); + return this.texture.offset; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); + this.texture.offset = value; + + } + }, + repeat: { + get: function () { + + console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); + return this.texture.repeat; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); + this.texture.repeat = value; + + } + }, + format: { + get: function () { + + console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); + return this.texture.format; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); + this.texture.format = value; + + } + }, + type: { + get: function () { + + console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); + return this.texture.type; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); + this.texture.type = value; + + } + }, + generateMipmaps: { + get: function () { + + console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); + return this.texture.generateMipmaps; + + }, + set: function ( value ) { + + console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); + this.texture.generateMipmaps = value; + + } + } + +} ); + +// + +Object.defineProperties( Audio.prototype, { + + load: { + value: function ( file ) { + + console.warn( 'THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.' ); + var scope = this; + var audioLoader = new AudioLoader(); + audioLoader.load( file, function ( buffer ) { + + scope.setBuffer( buffer ); + + } ); + return this; + + } + }, + startTime: { + set: function () { + + console.warn( 'THREE.Audio: .startTime is now .play( delay ).' ); + + } + } + +} ); + +AudioAnalyser.prototype.getData = function () { + + console.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' ); + return this.getFrequencyData(); + +}; + +// + +CubeCamera.prototype.updateCubeMap = function ( renderer, scene ) { + + console.warn( 'THREE.CubeCamera: .updateCubeMap() is now .update().' ); + return this.update( renderer, scene ); + +}; + +// + +var GeometryUtils = { + + merge: function ( geometry1, geometry2, materialIndexOffset ) { + + console.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' ); + var matrix; + + if ( geometry2.isMesh ) { + + geometry2.matrixAutoUpdate && geometry2.updateMatrix(); + + matrix = geometry2.matrix; + geometry2 = geometry2.geometry; + + } + + geometry1.merge( geometry2, matrix, materialIndexOffset ); + + }, + + center: function ( geometry ) { + + console.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' ); + return geometry.center(); + + } + +}; + +ImageUtils.crossOrigin = undefined; + +ImageUtils.loadTexture = function ( url, mapping, onLoad, onError ) { + + console.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' ); + + var loader = new TextureLoader(); + loader.setCrossOrigin( this.crossOrigin ); + + var texture = loader.load( url, onLoad, undefined, onError ); + + if ( mapping ) texture.mapping = mapping; + + return texture; + +}; + +ImageUtils.loadTextureCube = function ( urls, mapping, onLoad, onError ) { + + console.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' ); + + var loader = new CubeTextureLoader(); + loader.setCrossOrigin( this.crossOrigin ); + + var texture = loader.load( urls, onLoad, undefined, onError ); + + if ( mapping ) texture.mapping = mapping; + + return texture; + +}; + +ImageUtils.loadCompressedTexture = function () { + + console.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' ); + +}; + +ImageUtils.loadCompressedTextureCube = function () { + + console.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' ); + +}; + +// + +function CanvasRenderer() { + + console.error( 'THREE.CanvasRenderer has been removed' ); + +} + +// + +function JSONLoader() { + + console.error( 'THREE.JSONLoader has been removed.' ); + +} + +// + +var SceneUtils = { + + createMultiMaterialObject: function ( /* geometry, materials */ ) { + + console.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' ); + + }, + + detach: function ( /* child, parent, scene */ ) { + + console.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' ); + + }, + + attach: function ( /* child, scene, parent */ ) { + + console.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' ); + + } + +}; + +// + +function LensFlare() { + + console.error( 'THREE.LensFlare has been moved to /examples/jsm/objects/Lensflare.js' ); + +} + +if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { + + /* eslint-disable no-undef */ + __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: { + revision: REVISION, + } } ) ); + /* eslint-enable no-undef */ + +} + + + +;// CONCATENATED MODULE: ./src/assets/media/shake.mp3 +const media_shake_namespaceObject = __webpack_require__.p + "assets/media/shake.7e5ba731e6ea3bfe5f96.mp3"; +;// CONCATENATED MODULE: ./src/enums/DiceType.js +/* harmony default export */ const DiceType = ({ + D6: 'd6', + D8: 'd8', + D10: 'd10', + D12: 'd12', + D20: 'd20' +}); +;// CONCATENATED MODULE: ./src/core/geoms/createGeom.js +function _createForOfIteratorHelper(o, allowArrayLike) {var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];if (!it) {if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {if (it) o = it;var i = 0;var F = function F() {};return { s: F, n: function n() {if (i >= o.length) return { done: true };return { done: false, value: o[i++] };}, e: function e(_e) {throw _e;}, f: F };}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");}var normalCompletion = true,didErr = false,err;return { s: function s() {it = it.call(o);}, n: function n() {var step = it.next();normalCompletion = step.done;return step;}, e: function e(_e2) {didErr = true;err = _e2;}, f: function f() {try {if (!normalCompletion && it.return != null) it.return();} finally {if (didErr) throw err;}} };}function _unsupportedIterableToArray(o, minLen) {if (!o) return;if (typeof o === "string") return _arrayLikeToArray(o, minLen);var n = Object.prototype.toString.call(o).slice(8, -1);if (n === "Object" && o.constructor) n = o.constructor.name;if (n === "Map" || n === "Set") return Array.from(o);if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);}function _arrayLikeToArray(arr, len) {if (len == null || len > arr.length) len = arr.length;for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];return arr2;} + + +function createGeom(vectors, faces, radius, tab, af, chamferMod) { + var vertices = vectors.map(function (t) {return new Vector3().fromArray(t).normalize();}); + var _chamferGeom = chamferGeom(vertices, faces, chamferMod),newVectors = _chamferGeom.vectors,newFaces = _chamferGeom.faces; + var geom = makeGeom(newVectors, newFaces, radius, tab, af); + geom.cannonShape = createShape(vertices, faces, radius); + + return geom; +} + +function chamferGeom(vectors, faceDescriptors, mod) { + var tmp = vectors.map(function (t) {return [];}); + var newVectors = []; + var newFaces = [];var _iterator = _createForOfIteratorHelper( + + faceDescriptors),_step;try {for (_iterator.s(); !(_step = _iterator.n()).done;) {var _face = _step.value; + var _n = _face.length - 1; + var mat = _face[_n]; + + var newFace = new Array(_n); + + for (var _i2 = 0; _i2 < _n; _i2++) { + var vecIdx = _face[_i2]; + var vec = vectors[vecIdx].clone(); + newVectors.push(vec); + + newFace[_i2] = newVectors.length - 1; + tmp[vecIdx].push(newFace[_i2]); + } + + newFace.push(mat); + newFaces.push(newFace); + }} catch (err) {_iterator.e(err);} finally {_iterator.f();} + + for (var i = 0; i < faceDescriptors.length - 1; i++) { + for (var j = i + 1; j < faceDescriptors.length; j++) { + var pairs = []; + var mLast = -1; + + for (var m = 0; m < faceDescriptors[i].length - 1; m++) { + var n = faceDescriptors[j].indexOf(faceDescriptors[i][m]); + + if (n >= 0 && n < faceDescriptors[j].length - 1) { + if (mLast >= 0 && m != mLast + 1) { + pairs.unshift([i, m], [j, n]); + } else + { + pairs.push([i, m], [j, n]); + } + + mLast = m; + } + } + + if (pairs.length != 4) continue; + + newFaces.push([ + newFaces[pairs[0][0]][pairs[0][1]], + newFaces[pairs[1][0]][pairs[1][1]], + newFaces[pairs[3][0]][pairs[3][1]], + newFaces[pairs[2][0]][pairs[2][1]], + -1] + ); + } + } + + for (var _i = 0; _i < tmp.length; _i++) { + var cf = tmp[_i]; + var face = [cf[0]]; + var count = cf.length - 1; + + while (count) { + for (var _m = faceDescriptors.length; _m < newFaces.length; _m++) { + var index = newFaces[_m].indexOf(face[face.length - 1]); + + if (index >= 0 && index < 4) { + if (--index == -1) index = 3; + + var nextVertex = newFaces[_m][index]; + + if (cf.indexOf(nextVertex) >= 0) { + face.push(nextVertex); + break; + } + } + } + + --count; + } + + face.push(-1); + newFaces.push(face); + } + + return { + vectors: newVectors, + faces: newFaces + }; +} + +function makeGeom(vectors, faceDescriptors, radius, tab, af) { + var geom = new Geometry(); + var vertices = vectors.map(function (t) {return t.multiplyScalar(radius);});var _iterator2 = _createForOfIteratorHelper( + + faceDescriptors),_step2;try {for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {var descriptor = _step2.value; + var face = descriptor.slice(0, -1); + var mat = descriptor.at(-1) + 1; + var n = face.length; + var aa = Math.PI * 2 / n; + + for (var i = 0; i < n - 2; i++) { + var a = face[0]; + var b = face[i + 1]; + var c = face[i + 2]; + + geom.faces.push(new Face3(a, b, c, [vertices[a], vertices[b], vertices[c]], 0, mat)); + geom.faceVertexUvs[0].push([ + new Vector2((Math.cos(af) + 1 + tab) / 2 / (1 + tab), (Math.sin(af) + 1 + tab) / 2 / (1 + tab)), + new Vector2((Math.cos(aa * (i + 1) + af) + 1 + tab) / 2 / (1 + tab), (Math.sin(aa * (i + 1) + af) + 1 + tab) / 2 / (1 + tab)), + new Vector2((Math.cos(aa * (i + 2) + af) + 1 + tab) / 2 / (1 + tab), (Math.sin(aa * (i + 2) + af) + 1 + tab) / 2 / (1 + tab))] + ); + } + }} catch (err) {_iterator2.e(err);} finally {_iterator2.f();} + + geom.boundingSphere = new Sphere(new Vector3(), radius); + geom.vertices = vertices; + geom.computeFaceNormals(); + + return geom; +} + +function createShape(vectors, faceDescriptors, radius) { + var faces = faceDescriptors.map(function (t) {return t.slice(0, -1);}); + var points = vectors.map(function (t) {return new (cannon_default()).Vec3(t.x * radius, t.y * radius, t.z * radius);}); + + return new (cannon_default()).ConvexPolyhedron(points, faces); +} +;// CONCATENATED MODULE: ./src/core/geoms/createD10Geom.js + + +function createD10Geom(radius) { + var a = Math.PI * 2 / 10; + var h = 0.105,v = -1; + + var vertices = []; + + for (var i = 0, b = 0; i < 10; i++, b += a) { + vertices.push([Math.cos(b), Math.sin(b), h * (i % 2 ? 1 : -1)]); + } + + vertices.push([0, 0, -1]);vertices.push([0, 0, 1]); + + var faces = [ + [5, 7, 11, 0], [4, 2, 10, 1], [1, 3, 11, 2], [0, 8, 10, 3], [7, 9, 11, 4], + [8, 6, 10, 5], [9, 1, 11, 6], [2, 0, 10, 7], [3, 5, 11, 8], [6, 4, 10, 9], + [1, 0, 2, v], [1, 2, 3, v], [3, 2, 4, v], [3, 4, 5, v], [5, 4, 6, v], + [5, 6, 7, v], [7, 6, 8, v], [7, 8, 9, v], [9, 8, 0, v], [9, 0, 1, v]]; + + + return createGeom(vertices, faces, radius, 0, Math.PI * 6 / 5, 0.945); +} +;// CONCATENATED MODULE: ./src/core/geoms/createD12Geom.js + + +function createD12Geom(radius) { + var p = (1 + Math.sqrt(5)) / 2,q = 1 / p; + var vertices = [ + [0, q, p], [0, q, -p], [0, -q, p], [0, -q, -p], + [p, 0, q], [p, 0, -q], [-p, 0, q], [-p, 0, -q], + [q, p, 0], [q, -p, 0], [-q, p, 0], [-q, -p, 0], + [1, 1, 1], [1, 1, -1], [1, -1, 1], [1, -1, -1], + [-1, 1, 1], [-1, 1, -1], [-1, -1, 1], [-1, -1, -1]]; + + + var faces = [ + [2, 14, 4, 12, 0, 1], [15, 9, 11, 19, 3, 2], [16, 10, 17, 7, 6, 3], + [6, 7, 19, 11, 18, 4], [6, 18, 2, 0, 16, 5], [18, 11, 9, 14, 2, 6], + [1, 17, 10, 8, 13, 7], [1, 13, 5, 15, 3, 8], [13, 8, 12, 4, 5, 9], + [5, 4, 14, 9, 15, 10], [0, 12, 8, 10, 16, 11], [3, 19, 7, 17, 1, 12]]; + + + return createGeom(vertices, faces, radius, 0.2, -Math.PI / 4 / 2, 0.968); +} +;// CONCATENATED MODULE: ./src/core/geoms/createD20Geom.js + + +function createD20Geom(radius) { + var t = (1 + Math.sqrt(5)) / 2; + + var vertices = [ + [-1, t, 0], [1, t, 0], [-1, -t, 0], [1, -t, 0], + [0, -1, t], [0, 1, t], [0, -1, -t], [0, 1, -t], + [t, 0, -1], [t, 0, 1], [-t, 0, -1], [-t, 0, 1]]; + + + var faces = [ + [0, 11, 5, 1], [0, 5, 1, 2], [0, 1, 7, 3], [0, 7, 10, 4], [0, 10, 11, 5], + [1, 5, 9, 6], [5, 11, 4, 7], [11, 10, 2, 8], [10, 7, 6, 9], [7, 1, 8, 10], + [3, 9, 4, 11], [3, 4, 2, 12], [3, 2, 6, 13], [3, 6, 8, 14], [3, 8, 9, 15], + [4, 9, 5, 16], [2, 4, 11, 17], [6, 2, 10, 18], [8, 6, 7, 19], [9, 8, 1, 20]]; + + + return createGeom(vertices, faces, radius, -0.2, -Math.PI / 4 / 2, 0.955); +} +;// CONCATENATED MODULE: ./src/core/geoms/createD6Geom.js + + +function createD6Geom(radius) { + var vertices = [ + [-1, -1, -1], [1, -1, -1], [1, 1, -1], [-1, 1, -1], + [-1, -1, 1], [1, -1, 1], [1, 1, 1], [-1, 1, 1]]; + + + var faces = [ + [0, 3, 2, 1, 1], [1, 2, 6, 5, 2], [0, 1, 5, 4, 3], + [3, 7, 6, 2, 4], [0, 4, 7, 3, 5], [4, 5, 6, 7, 6]]; + + + return createGeom(vertices, faces, radius, 0.1, Math.PI / 4, 0.96); +} +;// CONCATENATED MODULE: ./src/core/geoms/createD8Geom.js + + +function createD8Geom(radius) { + var vertices = [ + [1, 0, 0], [-1, 0, 0], [0, 1, 0], + [0, -1, 0], [0, 0, 1], [0, 0, -1]]; + + + var faces = [ + [0, 2, 4, 1], [0, 4, 3, 2], [0, 3, 5, 3], [0, 5, 2, 4], + [1, 3, 4, 5], [1, 4, 2, 6], [1, 2, 5, 7], [1, 5, 3, 8]]; + + + return createGeom(vertices, faces, radius, 0, -Math.PI / 4 / 2, 0.965); +} +;// CONCATENATED MODULE: ./src/core/geoms/index.js + + + + + +;// CONCATENATED MODULE: ./src/utils/palette.js +function toHexString(number) { + return "0x".concat(number.toString(16)); +} + +function toWebHexString(number) { + return "#".concat(number.toString(16)); +} +;// CONCATENATED MODULE: ./src/utils/texture.js +function calculateTextureSize(approx) { + return Math.pow(2, Math.floor(Math.log(approx) / Math.log(2))); +} +;// CONCATENATED MODULE: ./src/core/materials/createD6Materials.js + + + + +function createD6Materials(scale, diceColor, labelColor) { + var materials = []; + + for (var i = 0; i < 8; i++) { + materials.push(new MeshPhongMaterial({ + map: createTexture(scale, i - 1, diceColor, labelColor), + shininess: 6, + flatShading: true + })); + } + + return materials; +} + +function createTexture(scale, value, diceColor, labelColor) { + var canvas = document.createElement('canvas'); + var ctx = canvas.getContext('2d'); + var s = calculateTextureSize(scale + scale * 2) * 2; + var r = scale * 0.25; + var p = scale * 1.3; + + canvas.width = s; + canvas.height = s; + + ctx.fillStyle = toWebHexString(diceColor); + ctx.fillRect(0, 0, canvas.width, canvas.height); + ctx.fillStyle = toWebHexString(labelColor); + + switch (value) { + case 6: + ctx.beginPath(); + ctx.arc(p + r, p + r, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(p + r, s / 2, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(s - p - r, p + r, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(p + r, s - p - r, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(s - p - r, s / 2, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(s - p - r, s - p - r, r, 0, 2 * Math.PI); + ctx.fill(); + break; + case 5: + ctx.beginPath(); + ctx.arc(s / 2, s / 2, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(p + r, p + r, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(s - p - r, p + r, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(p + r, s - p - r, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(s - p - r, s - p - r, r, 0, 2 * Math.PI); + ctx.fill(); + break; + case 4: + ctx.beginPath(); + ctx.arc(p + r, p + r, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(s - p - r, p + r, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(p + r, s - p - r, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(s - p - r, s - p - r, r, 0, 2 * Math.PI); + ctx.fill(); + break; + case 3: + ctx.beginPath(); + ctx.arc(s - p - r, p + r, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(s / 2, s / 2, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(p + r, s - p - r, r, 0, 2 * Math.PI); + ctx.fill(); + break; + case 2: + ctx.beginPath(); + ctx.arc(s - p - r, p + r, r, 0, 2 * Math.PI); + ctx.fill(); + ctx.beginPath(); + ctx.arc(p + r, s - p - r, r, 0, 2 * Math.PI); + ctx.fill(); + break; + case 1: + ctx.beginPath(); + ctx.arc(s / 2, s / 2, r, 0, 2 * Math.PI); + ctx.fill(); + break; + default: + // Do nothing. + } + + var texture = new Texture(canvas); + texture.needsUpdate = true; + + return texture; +} +;// CONCATENATED MODULE: ./src/core/materials/createDXMaterials.js + + + + +var FACE_LABELS = [' ', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20']; + +function createDXMaterials(scale, diceColor, labelColor) { + var materials = []; + + for (var i = 0; i < FACE_LABELS.length; i++) { + materials.push(new MeshPhongMaterial({ + map: createTextTexture(scale, FACE_LABELS[i], diceColor, labelColor), + shininess: 6, + flatShading: true + })); + } + + return materials; +} + +function createTextTexture(scale, text, diceColor, labelColor) { + if (text === undefined) return null; + + var canvas = document.createElement('canvas'); + var ctx = canvas.getContext('2d'); + var s = calculateTextureSize(scale + scale * 2) * 2; + + canvas.width = s; + canvas.height = s; + + ctx.font = s / 3.6 + 'pt monospace'; + ctx.fillStyle = toWebHexString(diceColor); + ctx.fillRect(0, 0, canvas.width, canvas.height); + ctx.textAlign = 'center'; + ctx.textBaseline = 'middle'; + ctx.fillStyle = toWebHexString(labelColor); + ctx.fillText(text, canvas.width / 2, canvas.height / 2); + + if (text === '6' || text === '9') { + ctx.fillText(' .', canvas.width / 2, canvas.height / 2); + } + + var texture = new Texture(canvas); + texture.needsUpdate = true; + + return texture; +} +;// CONCATENATED MODULE: ./src/core/materials/index.js + + +;// CONCATENATED MODULE: ./src/core/createDiceByType.js + + + + + +var DICE_COLOR = 0x202020; +var LABEL_COLOR = 0xffffff; + +function createDiceByType(type, scale) {var diceColor = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : DICE_COLOR;var labelColor = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : LABEL_COLOR; + switch (type) { + case DiceType.D8:return createD8(scale, diceColor, labelColor); + case DiceType.D10:return createD10(scale, diceColor, labelColor); + case DiceType.D12:return createD12(scale, diceColor, labelColor); + case DiceType.D20:return createD20(scale, diceColor, labelColor); + default:return createD6(scale, diceColor, labelColor); + } +} + +function createD6(scale, diceColor, labelColor) { + var geoms = createD6Geom(scale); + var materials = createD6Materials(scale / 2, diceColor, labelColor); + return new Mesh(geoms, materials); +} + +function createD8(scale, diceColor, labelColor) { + var geoms = createD8Geom(scale); + var materials = createDXMaterials(scale / 2, diceColor, labelColor); + return new Mesh(geoms, materials); +} + +function createD10(scale, diceColor, labelColor) { + var geoms = createD10Geom(scale); + var materials = createDXMaterials(scale / 2, diceColor, labelColor); + return new Mesh(geoms, materials); +} + +function createD12(scale, diceColor, labelColor) { + var geoms = createD12Geom(scale); + var materials = createDXMaterials(scale / 2, diceColor, labelColor); + return new Mesh(geoms, materials); +} + +function createD20(scale, diceColor, labelColor) { + var geoms = createD20Geom(scale); + var materials = createDXMaterials(scale / 2, diceColor, labelColor); + return new Mesh(geoms, materials); +} +;// CONCATENATED MODULE: ./src/decorators/logging.js +function _createSuper(Derived) {var hasNativeReflectConstruct = _isNativeReflectConstruct();return function _createSuperInternal() {var Super = _getPrototypeOf(Derived),result;if (hasNativeReflectConstruct) {var NewTarget = _getPrototypeOf(this).constructor;result = Reflect.construct(Super, arguments, NewTarget);} else {result = Super.apply(this, arguments);}return _possibleConstructorReturn(this, result);};}function _isNativeReflectConstruct() {if (typeof Reflect === "undefined" || !Reflect.construct) return false;if (Reflect.construct.sham) return false;if (typeof Proxy === "function") return true;try {Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));return true;} catch (e) {return false;}}function logging(label) { + if (!window.localStorage.debug) { + window.localStorage.debug = "".concat(label); + } else + { + window.localStorage.debug += ",".concat(label); + } + + return function (constructor) { + return /*#__PURE__*/function (_constructor) {_inherits(_class, _constructor);var _super = _createSuper(_class);function _class() {_classCallCheck(this, _class);return _super.apply(this, arguments);}_createClass(_class, [{ key: "log", value: + function log() { + if (false) { var debug; } + } }]);return _class;}(constructor); + + }; +} +;// CONCATENATED MODULE: ./src/utils/random.js +function rng() {var positiveOnly = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true; + if (positiveOnly) { + return Math.random(); + } else + { + return Math.random() * 2 - 1; + } +} + +function randomVectorFromVector(vector) { + var angle = rng() * Math.PI / 5 - Math.PI / 5 / 2; + var out = { + x: vector.x * Math.cos(angle) - vector.x * Math.sin(angle), + y: vector.x * Math.sin(angle) + vector.y * Math.cos(angle) + }; + + return out; +} + +function randomVector3FromVector3(vector3) { + var angle = rng() * Math.PI / 5 - Math.PI / 5 / 2; + var out = { + x: vector3.x * Math.cos(angle) - vector3.x * Math.sin(angle), + y: vector3.x * Math.sin(angle) + vector3.y * Math.cos(angle), + z: vector3.z * Math.sin(angle) + vector3.z * Math.cos(angle) + }; + + return out; +} +;// CONCATENATED MODULE: ./src/components/Scene.pcss +// extracted by mini-css-extract-plugin +/* harmony default export */ const components_Scene = ({"root":"ac5ae8"}); +;// CONCATENATED MODULE: ./src/components/Scene.jsx +var _DICE_FACE_RANGE, _DICE_MASS, _DICE_INERTIA, _dec, _class, _class2;function Scene_createSuper(Derived) {var hasNativeReflectConstruct = Scene_isNativeReflectConstruct();return function _createSuperInternal() {var Super = _getPrototypeOf(Derived),result;if (hasNativeReflectConstruct) {var NewTarget = _getPrototypeOf(this).constructor;result = Reflect.construct(Super, arguments, NewTarget);} else {result = Super.apply(this, arguments);}return _possibleConstructorReturn(this, result);};}function Scene_isNativeReflectConstruct() {if (typeof Reflect === "undefined" || !Reflect.construct) return false;if (Reflect.construct.sham) return false;if (typeof Proxy === "function") return true;try {Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));return true;} catch (e) {return false;}} + + + + + + + + + + + + +var BOUNDS_SCALE_X = 0.95; +var BOUNDS_SCALE_Y = 0.95; + +var DICE_FACE_RANGE = (_DICE_FACE_RANGE = {}, _defineProperty(_DICE_FACE_RANGE, +DiceType.D6, [1, 6]), _defineProperty(_DICE_FACE_RANGE, +DiceType.D8, [1, 8]), _defineProperty(_DICE_FACE_RANGE, +DiceType.D10, [0, 9]), _defineProperty(_DICE_FACE_RANGE, +DiceType.D12, [1, 12]), _defineProperty(_DICE_FACE_RANGE, +DiceType.D20, [1, 20]), _DICE_FACE_RANGE); + + +var DICE_MASS = (_DICE_MASS = {}, _defineProperty(_DICE_MASS, +DiceType.D6, 300), _defineProperty(_DICE_MASS, +DiceType.D8, 350), _defineProperty(_DICE_MASS, +DiceType.D10, 350), _defineProperty(_DICE_MASS, +DiceType.D12, 350), _defineProperty(_DICE_MASS, +DiceType.D20, 400), _DICE_MASS); + + +var DICE_INERTIA = (_DICE_INERTIA = {}, _defineProperty(_DICE_INERTIA, +DiceType.D6, 6), _defineProperty(_DICE_INERTIA, +DiceType.D8, 6), _defineProperty(_DICE_INERTIA, +DiceType.D10, 9), _defineProperty(_DICE_INERTIA, +DiceType.D12, 8), _defineProperty(_DICE_INERTIA, +DiceType.D20, 6), _DICE_INERTIA);var + + + +Scene = (_dec = logging('Scene'), _dec(_class = (_class2 = /*#__PURE__*/function (_PureComponent) {_inherits(Scene, _PureComponent);var _super = Scene_createSuper(Scene); + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + function Scene(props) {var _this;_classCallCheck(this, Scene); + _this = _super.call(this, props);_defineProperty(_assertThisInitialized(_this), "nodeRefs", { root: /*#__PURE__*/(0,react.createRef)() });_defineProperty(_assertThisInitialized(_this), "audioContext", null);_defineProperty(_assertThisInitialized(_this), "audioSource", null);_defineProperty(_assertThisInitialized(_this), "audioData", null);_defineProperty(_assertThisInitialized(_this), "audioBuffer", null); // Timeout object for animation loop. + _defineProperty(_assertThisInitialized(_this), "animateTimeout", null); // Light instance. + _defineProperty(_assertThisInitialized(_this), "light", null); // Camera instance. + _defineProperty(_assertThisInitialized(_this), "camera", null); // Desk instance. + _defineProperty(_assertThisInitialized(_this), "plane", null); // References to all generated dice. + _defineProperty(_assertThisInitialized(_this), "diceCollection", []); // References to all walls. + _defineProperty(_assertThisInitialized(_this), "walls", []);_this.state = { isRolling: false };return _this;}_createClass(Scene, [{ key: "rect", get: function get() {if (!this.nodeRefs.root.current) return new build.Rect();return build.Rect.from(this.nodeRefs.root.current);} }, { key: "scene", get: function get() {if (this._scene) return this._scene;this._scene = new three_module_Scene();this._scene.add(new AmbientLight(this.props.ambientLightColor));return this._scene;} }, { key: "timeStep", get: function get() {return 1 / this.props.frameRate;} }, { key: "planeMaterial", get: function get() {if (this._planeMaterial) return this._planeMaterial;this._planeMaterial = new (cannon_default()).Material();return this._planeMaterial;} }, { key: "wallMaterial", get: function get() {if (this._wallMaterial) return this._wallMaterial;this._wallMaterial = new (cannon_default()).Material();return this._wallMaterial;} }, { key: "diceMaterial", get: function get() {if (this._diceMaterial) return this._diceMaterial;this._diceMaterial = new (cannon_default()).Material();return this._diceMaterial;} }, { key: "world", get: function get() {if (this._world) return this._world;this._world = new (cannon_default()).World();this._world.gravity.set(0, 0, -9.82 * 1000);this._world.broadphase = new (cannon_default()).NaiveBroadphase();this._world.solver.step = 20;this._world.addContactMaterial(new (cannon_default()).ContactMaterial(this.planeMaterial, this.diceMaterial, 0, 1.0));this._world.addContactMaterial(new (cannon_default()).ContactMaterial(this.wallMaterial, this.diceMaterial, 0, 1.0));this._world.addContactMaterial(new (cannon_default()).ContactMaterial(this.diceMaterial, this.diceMaterial, 0, 0.5));this._world.add(new (cannon_default()).Body({ mass: 0, shape: new (cannon_default()).Plane(), material: this.planeMaterial }));return this._world;} }, { key: "renderer", get: function get() {if (this._renderer) return this._renderer;this._renderer = new WebGLRenderer({ antialias: true });this._renderer.shadowMap.enabled = true;this._renderer.shadowMap.type = PCFSoftShadowMap;this._renderer.setClearColor(0xffffff, 1);return this._renderer;} }, { key: "componentDidMount", value: + function componentDidMount() {var _this$nodeRefs$root$c; + (_this$nodeRefs$root$c = this.nodeRefs.root.current) === null || _this$nodeRefs$root$c === void 0 ? void 0 : _this$nodeRefs$root$c.appendChild(this.renderer.domElement); + this.prepareSound(); + this.reset(); + } }, { key: "createTimestamp", value: + + function createTimestamp() { + return new Date().getTime(); + } }, { key: "prepareSound", value: function () {var _prepareSound = _asyncToGenerator( /*#__PURE__*/regenerator_default().mark( + + function _callee() {return regenerator_default().wrap(function _callee$(_context) {while (1) switch (_context.prev = _context.next) {case 0:if (! + this.audioData) {_context.next = 2;break;}return _context.abrupt("return");case 2:_context.next = 4;return ( + + fetch(media_shake_namespaceObject).then(function (t) {return t.arrayBuffer();}));case 4:this.audioData = _context.sent;case 5:case "end":return _context.stop();}}, _callee, this);}));function prepareSound() {return _prepareSound.apply(this, arguments);}return prepareSound;}() }, { key: "playSound", value: function () {var _playSound = _asyncToGenerator( /*#__PURE__*/regenerator_default().mark( + + + function _callee2() {var _this$audioSource,_this2 = this;var source;return regenerator_default().wrap(function _callee2$(_context2) {while (1) switch (_context2.prev = _context2.next) {case 0:if ( + this.audioData) {_context2.next = 2;break;}return _context2.abrupt("return");case 2: + + (_this$audioSource = this.audioSource) === null || _this$audioSource === void 0 ? void 0 : _this$audioSource.stop(); + + if (!this.audioContext) this.audioContext = new AudioContext();if ( + this.audioBuffer) {_context2.next = 8;break;}_context2.next = 7;return this.audioContext.decodeAudioData(this.audioData);case 7:this.audioBuffer = _context2.sent;case 8: + + source = this.audioContext.createBufferSource(); + source.buffer = this.audioBuffer; + source.connect(this.audioContext.destination); + source.start(); + source.onended = function () {return _this2.audioSource = undefined;}; + + this.audioSource = source;case 14:case "end":return _context2.stop();}}, _callee2, this);}));function playSound() {return _playSound.apply(this, arguments);}return playSound;}() }, { key: "createLight", value: + + + function createLight() { + var w = this.rect.width / 2; + var h = this.rect.height / 2; + var t = Math.max(w, h); + + var light = new SpotLight(this.props.spotLightColor, 1.5); + light.position.set(-t / 2, t / 2, t * 3); + light.target.position.set(0, 0, 0); + light.distance = t * 5; + light.castShadow = true; + light.shadow.camera.near = t / 10; + light.shadow.camera.far = t * 5; + light.shadow.camera.space = 20; + light.shadow.bias = 0.002; + light.shadow.mapSize.width = 512; + light.shadow.mapSize.height = 512; + + return light; + } }, { key: "createCamera", value: + + function createCamera() { + var w = this.rect.width / 2; + var h = this.rect.height / 2; + var wh = h / Math.tan(10 * Math.PI / 180); + + var camera = new PerspectiveCamera(20, w / h, 1, wh * 1.3); + camera.position.z = wh; + + return camera; + } }, { key: "createPlane", value: + + function createPlane() { + var plane = new Mesh(new PlaneGeometry(this.rect.width, this.rect.height, 1, 1), new MeshPhongMaterial({ color: this.props.planeColor })); + plane.receiveShadow = true; + + return plane; + } }, { key: "createDie", value: + + function createDie(_ref) {var position = _ref.position,velocity = _ref.velocity,angle = _ref.angle,axis = _ref.axis; + var die = createDiceByType(this.props.diceType, this.props.diceScale, this.props.diceColor, this.props.diceLabelColor); + die.castShadow = true; + die.body = new (cannon_default()).Body({ mass: DICE_MASS[this.props.diceType], shape: die.geometry.cannonShape, material: this.diceMaterial }); + die.body.position.set(position.x, position.y, position.z); + die.body.quaternion.setFromAxisAngle(new (cannon_default()).Vec3(axis.x, axis.y, axis.z), axis.a * Math.PI * 2); + die.body.angularVelocity.set(angle.x, angle.y, angle.z); + die.body.velocity.set(velocity.x, velocity.y, velocity.z); + die.body.linearDamping = 0.1; + die.body.angularDamping = 0.1; + this.diceCollection.push(die); + this.scene.add(die); + this.world.add(die.body); + } }, { key: "createDice", value: + + function createDice(diceProps) { + for (var i in diceProps) { + var diceProp = diceProps[i]; + this.createDie(diceProp); + } + } }, { key: "hasDice", value: + + function hasDice() { + return this.diceCollection.length > 0; + } }, { key: "generateDiceProps", value: + + function generateDiceProps(position, acceleration) { + var w = this.rect.width / 2; + var h = this.rect.height / 2; + + // this.log(`Generating dice props with ${JSON.stringify(position)} and acceleration ${acceleration}`); + + var vector = Object.assign({}, position); + var distance = Math.sqrt(vector.x * vector.x + vector.y * vector.y); + acceleration *= distance; + vector.x /= distance; + vector.y /= distance; + + var o = []; + + for (var i = 0; i < this.props.diceCount; i++) { + var v1 = randomVectorFromVector(vector); + var _position = { + x: w * (v1.x > 0 ? -1 : 1) * 0.9, + y: h * (v1.y > 0 ? -1 : 1) * 0.9, + z: rng() * 200 + 200 + }; + + var projector = Math.abs(v1.x / v1.y); + + if (projector > 1.0) { + _position.y /= projector; + } else + { + _position.x *= projector; + } + + var v2 = randomVectorFromVector(vector); + var velocity = { x: v2.x * acceleration, y: v2.y * acceleration, z: -10 }; + var inertia = DICE_INERTIA[this.props.diceType]; + var angle = { x: -(rng() * v1.y * 5 + inertia * v1.y), y: rng() * v1.x * 5 + inertia * v1.x, z: 0 }; + var axis = { x: rng(), y: rng(), z: rng(), a: rng() }; + + o.push({ position: _position, velocity: velocity, angle: angle, axis: axis }); + } + + return o; + } }, { key: "getDieValue", value: + + function getDieValue(die) { + var vector = new Vector3(0, 0, 1); + var closestFace = null; + var closestAngle = Math.PI * 2; + + for (var i = 0, n = die.geometry.faces.length; i < n; i++) { + var face = die.geometry.faces[i]; + + if (face.materialIndex === 0) continue; + + var angle = face.normal.clone().applyQuaternion(die.body.quaternion).angleTo(vector); + + if (angle < closestAngle) { + closestAngle = angle; + closestFace = face; + } + } + + var materialIndex = closestFace.materialIndex - 1; + return materialIndex; + } }, { key: "getResults", value: + + function getResults() { + var values = []; + + for (var i = 0, n = this.diceCollection.length; i < n; i++) { + values.push(this.getDieValue(this.diceCollection[i])); + } + + return values; + } }, { key: "reset", value: + + function reset() { + var w = this.rect.width; + var h = this.rect.height; + + this.log('Resetting the scene...', w, h); + + this.renderer.setSize(this.rect.width, this.rect.height); + + if (this.camera) this.scene.remove(this.camera); + this.camera = this.createCamera(); + + if (this.light) this.scene.remove(this.light); + this.light = this.createLight(); + this.scene.add(this.light); + + if (this.plane) this.scene.remove(this.plane); + this.plane = this.createPlane(); + this.scene.add(this.plane); + + while (this.walls.length > 0) { + var wall = this.walls.pop(); + this.world.remove(wall); + } + + var w1 = new (cannon_default()).Body({ mass: 0, shape: new (cannon_default()).Plane(), material: this.wallMaterial }); + w1.quaternion.setFromAxisAngle(new (cannon_default()).Vec3(1, 0, 0), Math.PI / 2); + w1.position.set(0, h / 2 * BOUNDS_SCALE_Y, 0); + this.world.add(w1); + this.walls.push(w1); + + var w2 = new (cannon_default()).Body({ mass: 0, shape: new (cannon_default()).Plane(), material: this.wallMaterial }); + w2.quaternion.setFromAxisAngle(new (cannon_default()).Vec3(1, 0, 0), -Math.PI / 2); + w2.position.set(0, -h / 2 * BOUNDS_SCALE_Y, 0); + this.world.add(w2); + this.walls.push(w2); + + var w3 = new (cannon_default()).Body({ mass: 0, shape: new (cannon_default()).Plane(), material: this.wallMaterial }); + w3.quaternion.setFromAxisAngle(new (cannon_default()).Vec3(0, 1, 0), -Math.PI / 2); + w3.position.set(w / 2 * BOUNDS_SCALE_X, 0, 0); + this.world.add(w3); + this.walls.push(w3); + + var w4 = new (cannon_default()).Body({ mass: 0, shape: new (cannon_default()).Plane(), material: this.wallMaterial }); + w4.quaternion.setFromAxisAngle(new (cannon_default()).Vec3(0, 1, 0), Math.PI / 2); + w4.position.set(-w / 2 * BOUNDS_SCALE_X, 0, 0); + this.world.add(w4); + this.walls.push(w4); + + this.renderer.render(this.scene, this.camera); + } }, { key: "clear", value: + + function clear() { + this.log('Clearing the scene'); + + clearTimeout(this.animateTimeout); + this.animateTimeout = null; + + var die; + + while (this.diceCollection.length > 0) { + die = this.diceCollection.pop(); + this.scene.remove(die); + if (die.body) this.world.remove(die.body); + } + + if (this.pane) this.scene.remove(this.pane); + + this.renderer.render(this.scene, this.camera); + } }, { key: "simulateRoll", value: + + function simulateRoll() { + this.log('Simulating dice roll...'); + + while (this.isRolling()) { + this.world.step(this.timeStep); + } + } }, { key: "roll", value: + + function roll(position, acceleration, fixedResults) {var soundEnabled = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false; + var w = this.rect.width / 2; + var h = this.rect.height / 2; + + if (!position) position = { x: (rng() * 2 - 1) * w, y: -(rng() * 2 - 1) * h }; + if (!acceleration) acceleration = rng() + 3; + + this.setState({ isRolling: true }); + + if (soundEnabled && this.props.soundEnabled) { + this.playSound(); + } + + if (this.hasDice()) { + this.log('Shake shake shake...'); + + for (var i = 0, n = this.diceCollection.length; i < n; i++) { + var die = this.diceCollection[i]; + var intensity = acceleration * this.props.shakeIntensity; + var _die$body$velocity = die.body.velocity,vx = _die$body$velocity.x,vy = _die$body$velocity.y,vz = _die$body$velocity.z; + var _die$body$angularVelo = die.body.angularVelocity,avx = _die$body$angularVelo.x,avy = _die$body$angularVelo.y,avz = _die$body$angularVelo.z; + die.body.velocity = new (cannon_default()).Vec3(vx, vy, vz); + die.body.angularVelocity = new (cannon_default()).Vec3(avx + 300 + intensity / 2 * rng(false), avy + 300 + intensity / 2 * rng(false), avz + 400 + intensity / 2 * rng(false)); + } + + return; + } + + var diceProps = this.generateDiceProps(position, acceleration); + + this.clear(); + this.createDice(diceProps); + + this.log('Rolling dice...'); + + if (fixedResults && fixedResults.length === this.props.diceCount) { + this.simulateRoll(); + var expectedResults = this.getResults(); + this.clear(); + this.createDice(diceProps); + for (var _i in expectedResults) { + this.playGameboy(this.diceCollection[_i], expectedResults[_i], fixedResults[_i]); + } + } + + this.animate(this.createTimestamp()); + } }, { key: "isRolling", value: + + function isRolling() { + for (var i = 0, n = this.diceCollection.length; i < n; i++) { + var threshold = 1; + var die = this.diceCollection[i]; + var a = die.body.angularVelocity; + var v = die.body.velocity; + + if (Math.abs(a.x) > threshold) return true; + if (Math.abs(a.y) > threshold) return true; + if (Math.abs(a.z) > threshold) return true; + if (Math.abs(v.x) > threshold) return true; + if (Math.abs(v.y) > threshold) return true; + if (Math.abs(v.z) > threshold) return true; + } + + return false; + } }, { key: "onRollComplete", value: + + function onRollComplete() { + var result = this.getResults(); + this.log('Done rolling, showing result:', result); + this.setState({ isRolling: false }); + } }, { key: "playGameboy", value: + + function playGameboy(die, oldValue, newValue) { + var range = DICE_FACE_RANGE[this.props.diceType]; + + if (!(newValue >= range[0] && newValue <= range[1])) return; + + var diff = newValue - oldValue; + var geom = die.geometry.clone(); + + for (var i = 0, n = geom.faces.length; i < n; i++) { + var materialIndex = geom.faces[i].materialIndex; + if (materialIndex === 0) continue; + materialIndex += diff - 1; + while (materialIndex > range[1]) materialIndex -= range[1]; + while (materialIndex < range[0]) materialIndex += range[1]; + geom.faces[i].materialIndex = materialIndex + 1; + } + + die.geometry = geom; + } }, { key: "animate", value: + + function animate() {var _this3 = this;var timestamp = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.createTimestamp(); + var newTimestamp = this.createTimestamp(); + var delta = (newTimestamp - timestamp) / 1000; + + this.world.step(this.timeStep); + + for (var i in this.scene.children) { + var child = this.scene.children[i]; + + if (child.body) { + child.position.copy(child.body.position); + child.quaternion.copy(child.body.quaternion); + } + } + + this.renderer.render(this.scene, this.camera); + + if (!this.isRolling() && this.state.isRolling) this.onRollComplete(); + + this.animateTimeout = setTimeout(function () { + window.requestAnimationFrame(function () {return _this3.animate(timestamp > 0 ? newTimestamp : _this3.createTimestamp());}); + clearTimeout(_this3.animateTimeout); + _this3.animateTimeout = null; + }, delta < this.timeStep ? (this.timeStep - delta) * 1000 : 0); + } }, { key: "render", value: + + function render() { + var className = this.props.className; + + return /*#__PURE__*/( + react.createElement("div", { className: classnames_default()(components_Scene['root'], className), ref: this.nodeRefs.root })); + + } }]);return Scene;}(react.PureComponent), _defineProperty(_class2, "propTypes", { className: (prop_types_default()).string, frameRate: (prop_types_default()).number.isRequired, diceType: (prop_types_default()).string.isRequired, diceScale: (prop_types_default()).number.isRequired, diceCount: (prop_types_default()).number.isRequired, diceColor: (prop_types_default()).number.isRequired, soundEnabled: (prop_types_default()).bool.isRequired, diceLabelColor: (prop_types_default()).number.isRequired, shakeIntensity: (prop_types_default()).number.isRequired, ambientLightColor: (prop_types_default()).number.isRequired, spotLightColor: (prop_types_default()).number.isRequired, planeColor: (prop_types_default()).number.isRequired }), _class2)) || _class); +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayWithHoles.js +function _arrayWithHoles(arr) { + if (Array.isArray(arr)) return arr; +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/iterableToArrayLimit.js +function _iterableToArrayLimit(arr, i) { + var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; + if (null != _i) { + var _s, + _e, + _x, + _r, + _arr = [], + _n = !0, + _d = !1; + try { + if (_x = (_i = _i.call(arr)).next, 0 === i) { + if (Object(_i) !== _i) return; + _n = !1; + } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); + } catch (err) { + _d = !0, _e = err; + } finally { + try { + if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return; + } finally { + if (_d) throw _e; + } + } + return _arr; + } +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayLikeToArray.js +function arrayLikeToArray_arrayLikeToArray(arr, len) { + if (len == null || len > arr.length) len = arr.length; + for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; + return arr2; +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/unsupportedIterableToArray.js + +function unsupportedIterableToArray_unsupportedIterableToArray(o, minLen) { + if (!o) return; + if (typeof o === "string") return arrayLikeToArray_arrayLikeToArray(o, minLen); + var n = Object.prototype.toString.call(o).slice(8, -1); + if (n === "Object" && o.constructor) n = o.constructor.name; + if (n === "Map" || n === "Set") return Array.from(o); + if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return arrayLikeToArray_arrayLikeToArray(o, minLen); +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/nonIterableRest.js +function _nonIterableRest() { + throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); +} +;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/slicedToArray.js + + + + +function _slicedToArray(arr, i) { + return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || unsupportedIterableToArray_unsupportedIterableToArray(arr, i) || _nonIterableRest(); +} +;// CONCATENATED MODULE: ./src/assets/svgs/github-icon.svg +const github_icon_namespaceObject = "\n\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\n\n"; +;// CONCATENATED MODULE: ./src/assets/svgs/mu.svg +const mu_namespaceObject = "mu@3x"; +;// CONCATENATED MODULE: ./src/enums/RollMethod.js +/* harmony default export */ const RollMethod = ({ + TAP: 'tap', + SHAKE: 'shake', + TAP_AND_SHAKE: 'tapAndShake' +}); +;// CONCATENATED MODULE: ./src/components/Settings.pcss +// extracted by mini-css-extract-plugin +/* harmony default export */ const Settings = ({"root":"ed332a","background":"b76aba","title":"ea34cd","option":"be1cb5","columns":"c8b7fa","row":"cba10c","select":"d2e49a","actions":"dce4c4","footer":"cb7f45","monogram":"eb0755","button":"af2cec","request-button":"be6a5e","request-status":"d7bbeb"}); +;// CONCATENATED MODULE: ./src/components/Settings.jsx + + + + + + + + + + +var DICE_TYPE = { + d6: 'D6', + d8: 'D8', + d10: 'D10', + d12: 'D12', + d20: 'D20' +}; + +var ROLL_METHOD = { + tap: 'Tap Only', + shake: 'Shake Only', + tapAndShake: 'Tap & Shake' +}; + +function Settings_Settings(_ref) + + + + + + + + + +{var className = _ref.className,defaultDiceCount = _ref.diceCount,defaultDiceType = _ref.diceType,isActive = _ref.isActive,maxDiceCount = _ref.maxDiceCount,defaultRollMethod = _ref.rollMethod,defaultSoundEnabled = _ref.soundEnabled,onChange = _ref.onChange,onDismiss = _ref.onDismiss; + var _useState = (0,react.useState)(defaultDiceType),_useState2 = _slicedToArray(_useState, 2),diceType = _useState2[0],setDiceType = _useState2[1]; + var _useState3 = (0,react.useState)(defaultDiceCount),_useState4 = _slicedToArray(_useState3, 2),diceCount = _useState4[0],setDiceCount = _useState4[1]; + var _useState5 = (0,react.useState)(defaultRollMethod),_useState6 = _slicedToArray(_useState5, 2),rollMethod = _useState6[0],setRollMethod = _useState6[1]; + var _useState7 = (0,react.useState)(defaultSoundEnabled),_useState8 = _slicedToArray(_useState7, 2),soundEnabled = _useState8[0],setSoundEnabled = _useState8[1]; + var _useState9 = (0,react.useState)(getDeviceMotionPermission()),_useState10 = _slicedToArray(_useState9, 2),deviceMotionStatus = _useState10[0],setDeviceMotionStatus = _useState10[1]; + + (0,react.useEffect)(function () { + onChange === null || onChange === void 0 ? void 0 : onChange({ diceType: diceType, diceCount: diceCount, rollMethod: rollMethod, soundEnabled: soundEnabled }); + }, [diceType, diceCount, rollMethod, soundEnabled]); + + (0,react.useEffect)(function () { + setDeviceMotionStatus(getDeviceMotionPermission()); + }, [isActive]); + + var onReset = function onReset() { + setDiceType({"version":"v0.28.0+build.1b60d79","preferences":{"defaultDiceType":"d6","defaultDiceCount":5,"defaultRollMethod":"tapAndShake","defaultSoundEnabled":true,"maxDiceCount":23},"meta":{"title":"Dice","description":"Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20","url":"https://dice.andr.mu"},"dev":{"port":8080},"build":{"publicPath":"/"}}.preferences.defaultDiceType); + setDiceCount({"version":"v0.28.0+build.1b60d79","preferences":{"defaultDiceType":"d6","defaultDiceCount":5,"defaultRollMethod":"tapAndShake","defaultSoundEnabled":true,"maxDiceCount":23},"meta":{"title":"Dice","description":"Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20","url":"https://dice.andr.mu"},"dev":{"port":8080},"build":{"publicPath":"/"}}.preferences.defaultDiceCount); + setRollMethod({"version":"v0.28.0+build.1b60d79","preferences":{"defaultDiceType":"d6","defaultDiceCount":5,"defaultRollMethod":"tapAndShake","defaultSoundEnabled":true,"maxDiceCount":23},"meta":{"title":"Dice","description":"Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20","url":"https://dice.andr.mu"},"dev":{"port":8080},"build":{"publicPath":"/"}}.preferences.defaultRollMethod); + setSoundEnabled({"version":"v0.28.0+build.1b60d79","preferences":{"defaultDiceType":"d6","defaultDiceCount":5,"defaultRollMethod":"tapAndShake","defaultSoundEnabled":true,"maxDiceCount":23},"meta":{"title":"Dice","description":"Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20","url":"https://dice.andr.mu"},"dev":{"port":8080},"build":{"publicPath":"/"}}.preferences.defaultSoundEnabled); + }; + + var renderDeviceMotionStatus = function renderDeviceMotionStatus() { + if (rollMethod === 'tap') return /*#__PURE__*/react.createElement(react.Fragment, null); + + switch (deviceMotionStatus) { + case 'denied':return /*#__PURE__*/react.createElement("p", { className: Settings['request-status'] }, "\u26A0 You have previously denied access to the device motion, please restart the browser to retry."); + case 'notDetermined':return /*#__PURE__*/react.createElement("button", { className: Settings['request-button'], onClick: function onClick() {return requestDeviceMotionPermission().then(setDeviceMotionStatus);} }, "\u26A0 Request device motion access"); + default:return /*#__PURE__*/react.createElement(react.Fragment, null); + } + }; + + return /*#__PURE__*/( + react.createElement("div", { className: classnames_default()(Settings['root'], className, { active: isActive }) }, /*#__PURE__*/ + react.createElement("div", { className: Settings['background'], onClick: function onClick() {return onDismiss();} }), /*#__PURE__*/ + react.createElement("main", null, /*#__PURE__*/ + react.createElement("div", { className: Settings['title'] }, /*#__PURE__*/ + react.createElement("h1", null, "Settings"), /*#__PURE__*/ + react.createElement("span", null, {"version":"v0.28.0+build.1b60d79","preferences":{"defaultDiceType":"d6","defaultDiceCount":5,"defaultRollMethod":"tapAndShake","defaultSoundEnabled":true,"maxDiceCount":23},"meta":{"title":"Dice","description":"Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20","url":"https://dice.andr.mu"},"dev":{"port":8080},"build":{"publicPath":"/"}}.version) + ), /*#__PURE__*/ + react.createElement("div", { className: Settings['columns'] }, /*#__PURE__*/ + react.createElement("div", null, /*#__PURE__*/ + react.createElement("div", { className: Settings['row'] }, /*#__PURE__*/ + react.createElement("h2", { className: Settings['option'] }, "Dice type"), /*#__PURE__*/ + react.createElement("select", { className: Settings['select'], onChange: function onChange(e) {return setDiceType(e.target.value);}, value: diceType }, + Object.keys(DiceType).map(function (v) {return /*#__PURE__*/( + react.createElement("option", { value: DiceType[v], key: v }, DICE_TYPE[DiceType[v]]));} + ) + ) + ), /*#__PURE__*/ + react.createElement("div", { className: Settings['row'] }, /*#__PURE__*/ + react.createElement("h2", { className: Settings['option'] }, "No. of dice"), /*#__PURE__*/ + react.createElement("select", { className: Settings['select'], onChange: function onChange(e) {return setDiceCount(Number(e.target.value));}, value: diceCount }, /*#__PURE__*/ + react.createElement("option", { value: 0, key: 0 }, 0), + Array.apply(null, { length: maxDiceCount }).map(function (v, i) {return /*#__PURE__*/( + react.createElement("option", { value: i + 1, key: i + 1 }, i + 1));} + ) + ) + ) + ), /*#__PURE__*/ + react.createElement("div", null, /*#__PURE__*/ + react.createElement("div", { className: Settings['row'] }, /*#__PURE__*/ + react.createElement("h2", { className: Settings['option'] }, "Roll By"), /*#__PURE__*/ + react.createElement("select", { className: Settings['select'], onChange: function onChange(e) {return setRollMethod(e.target.value);}, value: rollMethod }, + Object.keys(RollMethod).map(function (v) {return /*#__PURE__*/( + react.createElement("option", { value: RollMethod[v], key: v }, ROLL_METHOD[RollMethod[v]]));} + ) + ), + needsDeviceMotionPermission() && deviceMotionStatus !== 'granted' && rollMethod !== 'tap' && /*#__PURE__*/react.createElement("figure", null, "\u26A0") + ), /*#__PURE__*/ + react.createElement("div", { className: Settings['row'] }, /*#__PURE__*/ + react.createElement("h2", { className: Settings['option'] }, "Sound"), /*#__PURE__*/ + react.createElement("select", { className: Settings['select'], onChange: function onChange(e) {return setSoundEnabled(e.target.value === 'Yes');}, value: soundEnabled ? 'Yes' : 'No' }, /*#__PURE__*/ + react.createElement("option", { value: "Yes" }, "Yes"), /*#__PURE__*/ + react.createElement("option", { value: "No" }, "No") + ) + ) + ) + ), /*#__PURE__*/ + react.createElement("div", { className: Settings['actions'] }, /*#__PURE__*/ + react.createElement("button", { onClick: function onClick() {return onReset();} }, "Reset"), /*#__PURE__*/ + react.createElement("button", { onClick: function onClick() {return onDismiss();} }, "Done") + ), + renderDeviceMotionStatus() + ), /*#__PURE__*/ + react.createElement("div", { className: Settings['footer'] }, /*#__PURE__*/ + react.createElement("a", { className: Settings['monogram'], href: "https://andr.mu", dangerouslySetInnerHTML: { __html: mu_namespaceObject } }), /*#__PURE__*/ + react.createElement("a", { className: Settings['button'], dangerouslySetInnerHTML: { __html: github_icon_namespaceObject }, href: "https://github.com/andrewscwei/dice" }) + ) + )); + +} + +Settings_Settings.propTypes = { + className: (prop_types_default()).string, + diceCount: (prop_types_default()).number.isRequired, + diceType: (prop_types_default()).string.isRequired, + isActive: (prop_types_default()).bool.isRequired, + maxDiceCount: (prop_types_default()).number.isRequired, + rollMethod: (prop_types_default()).string.isRequired, + soundEnabled: (prop_types_default()).bool.isRequired, + onChange: (prop_types_default()).func.isRequired, + onDismiss: (prop_types_default()).func.isRequired +}; +;// CONCATENATED MODULE: ./src/App.jsx +var App_dec, App_class, App_class2;function ownKeys(object, enumerableOnly) {var keys = Object.keys(object);if (Object.getOwnPropertySymbols) {var symbols = Object.getOwnPropertySymbols(object);enumerableOnly && (symbols = symbols.filter(function (sym) {return Object.getOwnPropertyDescriptor(object, sym).enumerable;})), keys.push.apply(keys, symbols);}return keys;}function _objectSpread(target) {for (var i = 1; i < arguments.length; i++) {var source = null != arguments[i] ? arguments[i] : {};i % 2 ? ownKeys(Object(source), !0).forEach(function (key) {_defineProperty(target, key, source[key]);}) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) {Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));});}return target;}function App_createSuper(Derived) {var hasNativeReflectConstruct = App_isNativeReflectConstruct();return function _createSuperInternal() {var Super = _getPrototypeOf(Derived),result;if (hasNativeReflectConstruct) {var NewTarget = _getPrototypeOf(this).constructor;result = Reflect.construct(Super, arguments, NewTarget);} else {result = Super.apply(this, arguments);}return _possibleConstructorReturn(this, result);};}function App_isNativeReflectConstruct() {if (typeof Reflect === "undefined" || !Reflect.construct) return false;if (Reflect.construct.sham) return false;if (typeof Proxy === "function") return true;try {Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));return true;} catch (e) {return false;}} + + + + + + + + + + + + +var CACHE_KEY_SETTINGS = 'settings';var + + +App = (App_dec = logging('App'), App_dec(App_class = (App_class2 = /*#__PURE__*/function (_PureComponent) {_inherits(App, _PureComponent);var _super = App_createSuper(App); + + + + + + + function App(props) {var _localStorage$getItem;var _this;_classCallCheck(this, App); + _this = _super.call(this, props);_defineProperty(_assertThisInitialized(_this), "nodeRefs", { scene: /*#__PURE__*/(0,react.createRef)() });_defineProperty(_assertThisInitialized(_this), "onOpenSettings", + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + function () { + _this.setState({ areSettingsVisible: true }); + });_defineProperty(_assertThisInitialized(_this), "onDismissSettings", + + function () { + _this.setState({ areSettingsVisible: false }); + });_defineProperty(_assertThisInitialized(_this), "onChangeSettings", + + function (_ref) {var diceType = _ref.diceType,diceCount = _ref.diceCount,rollMethod = _ref.rollMethod,soundEnabled = _ref.soundEnabled; + var newSettings = { diceType: diceType, diceCount: diceCount, rollMethod: rollMethod, soundEnabled: soundEnabled }; + + localStorage.setItem(CACHE_KEY_SETTINGS, JSON.stringify(newSettings)); + + _this.setState(_objectSpread({}, newSettings)); + });_defineProperty(_assertThisInitialized(_this), "onDismissPermissionModal", + + function () { + _this.setState({ isDeviceMotionAlertVisible: false }); + });_defineProperty(_assertThisInitialized(_this), "onResize", + + function () {var _this$nodeRefs$scene$; + (_this$nodeRefs$scene$ = _this.nodeRefs.scene.current) === null || _this$nodeRefs$scene$ === void 0 ? void 0 : _this$nodeRefs$scene$.reset(); + });_defineProperty(_assertThisInitialized(_this), "onTouchMove", + + function (event) { + event.preventDefault(); + });_defineProperty(_assertThisInitialized(_this), "onShake", + + function (event) {var _this$nodeRefs$scene$2; + if (_this.state.areSettingsVisible === true) return; + if (_this.state.rollMethod === RollMethod.TAP) return; + (_this$nodeRefs$scene$2 = _this.nodeRefs.scene.current) === null || _this$nodeRefs$scene$2 === void 0 ? void 0 : _this$nodeRefs$scene$2.roll(undefined, undefined, window.__GAMEBOY__, true); + });_defineProperty(_assertThisInitialized(_this), "onTap", + + function (event) {var _this$nodeRefs$scene$3; + if (_this.state.areSettingsVisible === true) return; + if (_this.state.rollMethod === RollMethod.SHAKE) return; + (_this$nodeRefs$scene$3 = _this.nodeRefs.scene.current) === null || _this$nodeRefs$scene$3 === void 0 ? void 0 : _this$nodeRefs$scene$3.roll(undefined, undefined, window.__GAMEBOY__, true); + });var defaultSettings = JSON.parse((_localStorage$getItem = localStorage.getItem(CACHE_KEY_SETTINGS)) !== null && _localStorage$getItem !== void 0 ? _localStorage$getItem : '{}');var defaultDiceType = defaultSettings.diceType,defaultDiceCount = defaultSettings.diceCount,defaultRollMethod = defaultSettings.rollMethod,defaultSoundEnabled = defaultSettings.soundEnabled;_this.state = { areSettingsVisible: false, diceCount: defaultDiceCount !== null && defaultDiceCount !== void 0 ? defaultDiceCount : {"version":"v0.28.0+build.1b60d79","preferences":{"defaultDiceType":"d6","defaultDiceCount":5,"defaultRollMethod":"tapAndShake","defaultSoundEnabled":true,"maxDiceCount":23},"meta":{"title":"Dice","description":"Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20","url":"https://dice.andr.mu"},"dev":{"port":8080},"build":{"publicPath":"/"}}.preferences.defaultDiceCount, diceType: defaultDiceType !== null && defaultDiceType !== void 0 ? defaultDiceType : {"version":"v0.28.0+build.1b60d79","preferences":{"defaultDiceType":"d6","defaultDiceCount":5,"defaultRollMethod":"tapAndShake","defaultSoundEnabled":true,"maxDiceCount":23},"meta":{"title":"Dice","description":"Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20","url":"https://dice.andr.mu"},"dev":{"port":8080},"build":{"publicPath":"/"}}.preferences.defaultDiceType, isDeviceMotionAlertVisible: false, rollMethod: defaultRollMethod !== null && defaultRollMethod !== void 0 ? defaultRollMethod : {"version":"v0.28.0+build.1b60d79","preferences":{"defaultDiceType":"d6","defaultDiceCount":5,"defaultRollMethod":"tapAndShake","defaultSoundEnabled":true,"maxDiceCount":23},"meta":{"title":"Dice","description":"Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20","url":"https://dice.andr.mu"},"dev":{"port":8080},"build":{"publicPath":"/"}}.preferences.defaultRollMethod, soundEnabled: defaultSoundEnabled !== null && defaultSoundEnabled !== void 0 ? defaultSoundEnabled : {"version":"v0.28.0+build.1b60d79","preferences":{"defaultDiceType":"d6","defaultDiceCount":5,"defaultRollMethod":"tapAndShake","defaultSoundEnabled":true,"maxDiceCount":23},"meta":{"title":"Dice","description":"Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20","url":"https://dice.andr.mu"},"dev":{"port":8080},"build":{"publicPath":"/"}}.preferences.defaultSoundEnabled };return _this;}_createClass(App, [{ key: "componentDidMount", value: function componentDidMount() {var _this$nodeRefs$scene$4,_this2 = this,_this$nodeRefs$scene$5;this.touchHandler = new (hammer_default())((_this$nodeRefs$scene$4 = this.nodeRefs.scene.current) === null || _this$nodeRefs$scene$4 === void 0 ? void 0 : _this$nodeRefs$scene$4.nodeRefs.root.current);this.touchHandler.on('tap', this.onTap);document.body.addEventListener('touchmove', this.onTouchMove);this.resizeObserver = new ResizeObserver(function () {return _this2.onResize();});this.resizeObserver.observe(document.documentElement);this.shakeHandler = new (shake_default())({ threshold: 5, timeout: 200 });this.shakeHandler.start();window.addEventListener('shake', this.onShake);(_this$nodeRefs$scene$5 = this.nodeRefs.scene.current) === null || _this$nodeRefs$scene$5 === void 0 ? void 0 : _this$nodeRefs$scene$5.roll(undefined, undefined, window.__GAMEBOY__);requestDeviceMotionPermission().then(function (status) {if (status !== 'notDetermined') return;_this2.setState({ isDeviceMotionAlertVisible: !hasRequestedDeviceMotionPermission() });});} }, { key: "componentWillUnmount", value: function componentWillUnmount() {var _this$shakeHandler;document.body.removeEventListener('touchmove', this.onTouchMove);window.removeEventListener('shake', this.onShake);this.resizeObserver.unobserve(document.documentElement);this.resizeObserver = undefined;(_this$shakeHandler = this.shakeHandler) === null || _this$shakeHandler === void 0 ? void 0 : _this$shakeHandler.stop();this.shakeHandler = undefined;this.touchHandler.remove('tap');this.touchHandler = undefined;} }, { key: "componentDidUpdate", value: function componentDidUpdate(prevProps, prevState) {if (this.state.diceType !== prevState.diceType || this.state.diceCount !== prevState.diceCount) {var _this$nodeRefs$scene$6, _this$nodeRefs$scene$7;this.log('Dice changed');(_this$nodeRefs$scene$6 = this.nodeRefs.scene.current) === null || _this$nodeRefs$scene$6 === void 0 ? void 0 : _this$nodeRefs$scene$6.clear();(_this$nodeRefs$scene$7 = this.nodeRefs.scene.current) === null || _this$nodeRefs$scene$7 === void 0 ? void 0 : _this$nodeRefs$scene$7.roll(undefined, undefined, window.__GAMEBOY__);}} }, { key: "render", value: + + function render() { + return /*#__PURE__*/( + react.createElement("div", { className: src_App['root'] }, /*#__PURE__*/ + react.createElement(Scene, { + className: src_App['scene'], + ambientLightColor: 0xf0f5fb, + diceColor: 0x202020, + diceCount: this.state.diceCount, + diceLabelColor: 0xffffff, + diceScale: 54, + diceType: this.state.diceType, + frameRate: 60, + planeColor: 0x111111, + ref: this.nodeRefs.scene, + shakeIntensity: 500, + soundEnabled: this.state.soundEnabled, + spotLightColor: 0xefdfd5 } + ), /*#__PURE__*/ + react.createElement(Footer_Footer, { + className: src_App['footer'], + onOpenSettings: this.onOpenSettings } + ), /*#__PURE__*/ + react.createElement(Settings_Settings, { + className: src_App['settings'], + isActive: this.state.areSettingsVisible, + diceCount: this.state.diceCount, + diceType: this.state.diceType, + maxDiceCount: {"version":"v0.28.0+build.1b60d79","preferences":{"defaultDiceType":"d6","defaultDiceCount":5,"defaultRollMethod":"tapAndShake","defaultSoundEnabled":true,"maxDiceCount":23},"meta":{"title":"Dice","description":"Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20","url":"https://dice.andr.mu"},"dev":{"port":8080},"build":{"publicPath":"/"}}.preferences.maxDiceCount, + rollMethod: this.state.rollMethod, + soundEnabled: this.state.soundEnabled, + onChange: this.onChangeSettings, + onDismiss: this.onDismissSettings } + ), /*#__PURE__*/ + react.createElement(DeviceMotionAlert_DeviceMotionAlert, { + className: classnames_default()(src_App['permission'], { active: this.state.isDeviceMotionAlertVisible }), + onDismiss: this.onDismissPermissionModal } + ) + )); + + } }]);return App;}(react.PureComponent), _defineProperty(App_class2, "propTypes", {}), App_class2)) || App_class); +;// CONCATENATED MODULE: ./src/index.jsx + + + + +window.__VERSION__ = {"version":"v0.28.0+build.1b60d79","preferences":{"defaultDiceType":"d6","defaultDiceCount":5,"defaultRollMethod":"tapAndShake","defaultSoundEnabled":true,"maxDiceCount":23},"meta":{"title":"Dice","description":"Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20","url":"https://dice.andr.mu"},"dev":{"port":8080},"build":{"publicPath":"/"}}.version; + +(0,client/* createRoot */.s)(document.getElementById('app')).render( /*#__PURE__*/react.createElement(App, null)); +})(); + +/******/ })() +; \ No newline at end of file diff --git a/config/app.conf.js b/config/app.conf.js deleted file mode 100644 index bdd89c1..0000000 --- a/config/app.conf.js +++ /dev/null @@ -1,53 +0,0 @@ -/** - * @file Configuration for both client and server environments. - */ - -module.exports = { - // App version. - version: `v${require('../package.json').version}+build.${process.env.BUILD_NUMBER || '0'}`, - - // App preferences. - preferences: { - // Default dice type. - defaultDiceType: 'd6', - - // Default number of dice. - defaultDiceCount: 5, - - // Default roll method. - defaultRollMethod: 'tapAndShake', - - // Default sound enabled. - defaultSoundEnabled: true, - - // Maximum number of dice allowed. - maxDiceCount: 23, - }, - - // HTML metadata. - meta: { - // Title of the app. - title: 'Dice', - - // Short description of the app. - description: 'Web-based dice rolling app supporting 5 different dice types including D6, D8, D10, D12 and D20', - - // App URL. - url: 'https://dice.andr.mu', - }, - - // Google Analytics ID (i.e. UA-XXXXXXXX-1) - ga: process.env.GOOGLE_ANALYTICS_ID, - - // Config for 'dev' task. - dev: { - // Dev server port. - port: process.env.PORT || 8080, - }, - - // Config for `build` task. - build: { - // Public path of all loaded assets. - publicPath: process.env.PUBLIC_PATH || '/', - }, -}; diff --git a/config/build.conf.js b/config/build.conf.js deleted file mode 100644 index f1a94c7..0000000 --- a/config/build.conf.js +++ /dev/null @@ -1,141 +0,0 @@ -/** - * @file This is the Webpack config for compiling client assets in both - * `development` and `production` environments. - */ - -const config = require('./app.conf'); -const path = require('path'); -const CopyPlugin = require('copy-webpack-plugin'); -const HTMLPlugin = require('html-webpack-plugin'); -const MiniCSSExtractPlugin = require('mini-css-extract-plugin'); -const CSSMinimizerPlugin = require('css-minimizer-webpack-plugin'); -const { EnvironmentPlugin, DefinePlugin, IgnorePlugin } = require('webpack'); - -const isDev = process.env.NODE_ENV === 'development'; -const cwd = path.join(__dirname, '../'); -const inputDir = path.join(cwd, 'src'); -const outputDir = path.join(cwd, 'public'); - - -module.exports = { - devtool: isDev ? 'source-map' : false, - entry: { - bundle: path.join(inputDir, 'index.jsx'), - }, - infrastructureLogging: { - level: 'error', - }, - mode: isDev ? 'development' : 'production', - module: { - rules: [{ - test: /\.jsx?$/, - use: 'babel-loader', - exclude: /node_modules/, - }, { - test: /\.p?css$/, - use: (function() { - const t = [{ - loader: 'css-loader', - options: { - modules: { - localIdentName: '[hash:6]', - }, - sourceMap: isDev, - importLoaders: 1, - }, - }, { - loader: 'postcss-loader', - options: { - sourceMap: isDev, - postcssOptions: { - ident: 'postcss', - plugins: [ - ['postcss-preset-env', { - features: { - 'nesting-rules': true, - }, - }], - 'postlude', - ], - }, - }, - }]; - - return [isDev ? 'style-loader' : MiniCSSExtractPlugin.loader].concat(t); - })(), - }, { - test: /\.svg$/, - include: /assets\/svgs/, - type: 'asset/source', - }, { - test: /\.(jpe?g|png|gif|svg)(\?.*)?$/, - include: /assets\/images/, - type: 'asset', - generator: { - filename: `assets/images/${isDev ? '[name]' : '[name].[hash:base64]'}[ext]`, - }, - }, { - test: /\.(mp4|webm|ogg|mp3|wav|flac|aac)(\?.*)?$/, - include: /assets\/media/, - type: 'asset', - generator: { - filename: `assets/media/${isDev ? '[name]' : '[name].[hash:base64]'}[ext]`, - }, - }, { - test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/, - include: /assets\/fonts/, - type: 'asset', - generator: { - filename: `assets/fonts/${isDev ? '[name]' : '[name].[hash:base64]'}[ext]`, - }, - }], - }, - optimization: { - minimizer: [new CSSMinimizerPlugin()], - }, - output: { - filename: isDev ? '[name].js' : '[name].[chunkhash].js', - path: outputDir, - publicPath: config.build.publicPath, - sourceMapFilename: '[file].map', - }, - resolve: { - extensions: ['.js', '.jsx'], - }, - plugins: [ - new CopyPlugin({ - patterns: [{ - from: path.join(inputDir, 'static'), - to: outputDir, - }], - }), - new EnvironmentPlugin({ NODE_ENV: 'production' }), - new DefinePlugin({ $APP_CONFIG: JSON.stringify(config) }), - new HTMLPlugin({ - appConfig: config, - filename: 'index.html', - inject: true, - minify: { - collapseWhitespace: true, - removeAttributeQuotes: true, - removeComments: true, - }, - template: path.join(inputDir, 'templates', 'index.html'), - }), - ...isDev ? [] : [ - new IgnorePlugin({ resourceRegExp: /^.*\/config\/.*$/ }), - new MiniCSSExtractPlugin({ filename: 'bundle.[chunkhash:8].css' }), - ], - ], - target: 'web', - ...isDev ? { - devServer: { - host: '0.0.0.0', - hot: true, - port: config.dev.port, - static: { - publicPath: config.build.publicPath, - }, - }, - } : {}, -}; diff --git a/src/static/favicon.svg b/favicon.svg similarity index 100% rename from src/static/favicon.svg rename to favicon.svg diff --git a/index.html b/index.html new file mode 100644 index 0000000..fc26f2e --- /dev/null +++ b/index.html @@ -0,0 +1 @@ +Dice
\ No newline at end of file diff --git a/jsconfig.json b/jsconfig.json deleted file mode 100644 index 9f74c59..0000000 --- a/jsconfig.json +++ /dev/null @@ -1,10 +0,0 @@ -{ - "compilerOptions": { - "baseUrl": "./", - "experimentalDecorators": true, - "jsx": "react", - }, - "include": [ - "src/*", - ] -} diff --git a/src/static/manifest.json b/manifest.json old mode 100755 new mode 100644 similarity index 100% rename from src/static/manifest.json rename to manifest.json diff --git a/res/og-image/og-image.png b/og-image.png similarity index 100% rename from res/og-image/og-image.png rename to og-image.png diff --git a/package-lock.json b/package-lock.json deleted file mode 100644 index 26504fd..0000000 --- a/package-lock.json +++ /dev/null @@ -1,12893 +0,0 @@ -{ - "name": "dice", - "version": "0.28.0", - "lockfileVersion": 3, - "requires": true, - "packages": { - "": { - "name": "dice", - "version": "0.28.0", - "license": "MIT", - "dependencies": { - "cannon": "^0.6.2", - "classnames": 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font-weight: 800; - src: url('./assets/fonts/Roboto-Bold.ttf') format('truetype'); -} - -html { - height: calc(100% + env(safe-area-inset-top)); -} - -body { - background: #111; - font-family: Roboto, sans-serif; - overflow: hidden; -} - -:global(#app) { - -post-size: 100%; -} - -.root { - @post flex(vertical, center); - - -post-align: top left; - -post-size: 100%; - cursor: default; - user-select: none; - overflow: hidden; -} - -.scene { - -post-align: top left; - -post-size: 100%; - cursor: default; -} - -.settings { - -post-align: top left fixed; - -post-size: 100%; - -post-transition: all 160ms ease-out; - opacity: 0; - pointer-events: none; - transform: scale3d(1.2, 1.2, 1.2); - z-index: 20; - - &:global(.active) { - opacity: 1; - pointer-events: auto; - transform: scale3d(1, 1, 1); - } -} - -.permission { - -post-align: top left fixed; - -post-size: 100%; - -post-transition: all 160ms ease-out; - opacity: 0; - pointer-events: none; - transform: scale3d(1.2, 1.2, 1.2); - z-index: 30; - - &:global(.active) { - opacity: 1; - pointer-events: auto; - transform: scale3d(1, 1, 1); - } -} - -.footer { - -post-align: bottom left fixed; - -post-size: 100% auto; - z-index: 10; -} diff --git a/src/assets/svgs/github-icon.svg b/src/assets/svgs/github-icon.svg deleted file mode 100644 index ed80043..0000000 --- a/src/assets/svgs/github-icon.svg +++ /dev/null @@ -1,27 +0,0 @@ - - - - - - - - - - - - - diff --git a/src/assets/svgs/mu.svg b/src/assets/svgs/mu.svg deleted file mode 100644 index 30bcbc5..0000000 --- a/src/assets/svgs/mu.svg +++ /dev/null @@ -1 +0,0 @@ -mu@3x \ No newline at end of file diff --git a/src/assets/svgs/settings-icon.svg b/src/assets/svgs/settings-icon.svg deleted file mode 100644 index 62c1975..0000000 --- a/src/assets/svgs/settings-icon.svg +++ /dev/null @@ -1 +0,0 @@ -settings \ No newline at end of file diff --git a/src/components/DeviceMotionAlert.jsx b/src/components/DeviceMotionAlert.jsx deleted file mode 100644 index a2504dc..0000000 --- a/src/components/DeviceMotionAlert.jsx +++ /dev/null @@ -1,37 +0,0 @@ -import classNames from 'classnames'; -import PropTypes from 'prop-types'; -import React from 'react'; -import { rememberDeviceMotionRequestDate, requestDeviceMotionPermission } from '../utils/deviceMotion'; -import styles from './DeviceMotionAlert.pcss'; - -export default function DeviceMotionAlert({ className, onDismiss }) { - const request = async () => { - rememberDeviceMotionRequestDate(); - await requestDeviceMotionPermission(); - onDismiss(); - }; - - const dismiss = async () => { - rememberDeviceMotionRequestDate(); - onDismiss(); - }; - - return ( -
-
-
-

Shake?

-
To support dice shaking, the app requires permission to access your device motion.
-
- - -
-
-
- ); -} - -DeviceMotionAlert.propTypes = { - className: PropTypes.string, - onDismiss: PropTypes.func.isRequired, -}; diff --git a/src/components/DeviceMotionAlert.pcss b/src/components/DeviceMotionAlert.pcss deleted file mode 100644 index 5448b53..0000000 --- a/src/components/DeviceMotionAlert.pcss +++ /dev/null @@ -1,72 +0,0 @@ -.root { - @post flex(center); - - -post-padding: 10px 20px; - -post-align: top left; - -post-size: 100%; -} - -.modal { - border-radius: 8px; - color: #fff; - line-height: 150%; - max-width: 500px; - padding: 2em; - text-align: center; - width: 100%; -} - -.background { - -post-align: top left; - -post-size: 100%; - background: #111; - opacity: .9; -} - -.title { - -post-margin: _ _ 30px; - color: #fff; - font-size: 40px; - font-weight: 800; - letter-spacing: 2px; - text-align: center; - text-transform: uppercase; -} - -.actions { - @post flex(vertical, center, top); - margin-top: 1em; - - button { - -post-margin: 1em _; - font-size: 14px; - letter-spacing: 2px; - text-transform: uppercase; - } -} - -.request-button { - -post-padding: 10px 20px; - -post-margin: .5em _; - -post-transition: background 160ms ease-out; - background: #fff; - border-radius: 8px; - color: #000; - - @media (hover: hover) { - &:hover { - background: #ccc; - } - } -} - -.dismiss-button { - -post-transition: opacity 160ms ease-out; - color: #fff; - - @media (hover: hover) { - &:hover { - opacity: .8; - } - } -} \ No newline at end of file diff --git a/src/components/Footer.jsx b/src/components/Footer.jsx deleted file mode 100644 index 7131cb0..0000000 --- a/src/components/Footer.jsx +++ /dev/null @@ -1,20 +0,0 @@ -import classNames from 'classnames'; -import PropTypes from 'prop-types'; -import React from 'react'; -import $$SettingsIcon from '../assets/svgs/settings-icon.svg'; -import styles from './Footer.pcss'; - -export default function Footer({ className, onOpenSettings }) { - return ( -
- -
- ); -} - -Footer.propTypes = { - className: PropTypes.string, - onOpenSettings: PropTypes.func.isRequired, -}; diff --git a/src/components/Footer.pcss b/src/components/Footer.pcss deleted file mode 100644 index d564718..0000000 --- a/src/components/Footer.pcss +++ /dev/null @@ -1,29 +0,0 @@ -.root { - -post-padding: 24px; - padding-right: max(24px, env(safe-area-inset-right)); - padding-bottom: max(24px, env(safe-area-inset-bottom)); - pointer-events: none; -} - -.nav { - @post flex(right, center); -} - -.button { - -post-size: 20px; - -post-transition: all 160ms ease-out; - pointer-events: auto; - - @media (hover: hover) { - &:hover { - opacity: .8; - } - } - - &:after { - -post-size: 40px; - -post-align: top left; - content: ''; - transform: translate3d(calc(-50% + 10px), calc(-50% + 10px), 0); - } -} diff --git a/src/components/Scene.jsx b/src/components/Scene.jsx deleted file mode 100644 index fcf2d54..0000000 --- a/src/components/Scene.jsx +++ /dev/null @@ -1,530 +0,0 @@ -import CANNON from 'cannon'; -import classNames from 'classnames'; -import PropTypes from 'prop-types'; -import React, { PureComponent, createRef } from 'react'; -import { Rect } from 'spase'; -import * as THREE from 'three'; -import $$ShakeSound from '../assets/media/shake.mp3'; -import createDiceByType from '../core/createDiceByType'; -import logging from '../decorators/logging'; -import DiceType from '../enums/DiceType'; -import { randomVectorFromVector, rng } from '../utils/random'; -import styles from './Scene.pcss'; - -const BOUNDS_SCALE_X = 0.95; -const BOUNDS_SCALE_Y = 0.95; - -const DICE_FACE_RANGE = { - [DiceType.D6]: [1, 6], - [DiceType.D8]: [1, 8], - [DiceType.D10]: [0, 9], - [DiceType.D12]: [1, 12], - [DiceType.D20]: [1, 20], -}; - -const DICE_MASS = { - [DiceType.D6]: 300, - [DiceType.D8]: 350, - [DiceType.D10]: 350, - [DiceType.D12]: 350, - [DiceType.D20]: 400, -}; - -const DICE_INERTIA = { - [DiceType.D6]: 6, - [DiceType.D8]: 6, - [DiceType.D10]: 9, - [DiceType.D12]: 8, - [DiceType.D20]: 6, -}; - -@logging('Scene') -export default class Scene extends PureComponent { - static propTypes = { - className: PropTypes.string, - frameRate: PropTypes.number.isRequired, - diceType: PropTypes.string.isRequired, - diceScale: PropTypes.number.isRequired, - diceCount: PropTypes.number.isRequired, - diceColor: PropTypes.number.isRequired, - soundEnabled: PropTypes.bool.isRequired, - diceLabelColor: PropTypes.number.isRequired, - shakeIntensity: PropTypes.number.isRequired, - ambientLightColor: PropTypes.number.isRequired, - spotLightColor: PropTypes.number.isRequired, - planeColor: PropTypes.number.isRequired, - }; - - nodeRefs = { - root: createRef(), - }; - - audioContext = null; - - audioSource = null; - - audioData = null; - - audioBuffer = null; - - // Timeout object for animation loop. - animateTimeout = null; - - // Light instance. - light = null; - - // Camera instance. - camera = null; - - // Desk instance. - plane = null; - - // References to all generated dice. - diceCollection = []; - - // References to all walls. - walls = []; - - get rect() { - if (!this.nodeRefs.root.current) return new Rect(); - return Rect.from(this.nodeRefs.root.current); - } - - get scene() { - if (this._scene) return this._scene; - this._scene = new THREE.Scene(); - this._scene.add(new THREE.AmbientLight(this.props.ambientLightColor)); - return this._scene; - } - - get timeStep() { - return 1 / this.props.frameRate; - } - - get planeMaterial() { - if (this._planeMaterial) return this._planeMaterial; - this._planeMaterial = new CANNON.Material(); - return this._planeMaterial; - } - - get wallMaterial() { - if (this._wallMaterial) return this._wallMaterial; - this._wallMaterial = new CANNON.Material(); - return this._wallMaterial; - } - - get diceMaterial() { - if (this._diceMaterial) return this._diceMaterial; - this._diceMaterial = new CANNON.Material(); - return this._diceMaterial; - } - - get world() { - if (this._world) return this._world; - - this._world = new CANNON.World(); - this._world.gravity.set(0, 0, -9.82 * 1000); - this._world.broadphase = new CANNON.NaiveBroadphase(); - this._world.solver.step = 20; - - this._world.addContactMaterial(new CANNON.ContactMaterial(this.planeMaterial, this.diceMaterial, 0, 1.0)); - this._world.addContactMaterial(new CANNON.ContactMaterial(this.wallMaterial, this.diceMaterial, 0, 1.0)); - this._world.addContactMaterial(new CANNON.ContactMaterial(this.diceMaterial, this.diceMaterial, 0, 0.5)); - this._world.add(new CANNON.Body({ mass: 0, shape: new CANNON.Plane(), material: this.planeMaterial })); - - return this._world; - } - - get renderer() { - if (this._renderer) return this._renderer; - this._renderer = new THREE.WebGLRenderer({ antialias: true }); - this._renderer.shadowMap.enabled = true; - this._renderer.shadowMap.type = THREE.PCFSoftShadowMap; - this._renderer.setClearColor(0xffffff, 1); - return this._renderer; - } - - constructor(props) { - super(props); - - this.state = { - isRolling: false, - }; - } - - componentDidMount() { - this.nodeRefs.root.current?.appendChild(this.renderer.domElement); - this.prepareSound(); - this.reset(); - } - - createTimestamp() { - return (new Date()).getTime(); - } - - async prepareSound() { - if (this.audioData) return; - - this.audioData = await fetch($$ShakeSound).then(t => t.arrayBuffer()); - } - - async playSound() { - if (!this.audioData) return; - - this.audioSource?.stop(); - - if (!this.audioContext) this.audioContext = new AudioContext(); - if (!this.audioBuffer) this.audioBuffer = await this.audioContext.decodeAudioData(this.audioData); - - const source = this.audioContext.createBufferSource(); - source.buffer = this.audioBuffer; - source.connect(this.audioContext.destination); - source.start(); - source.onended = () => (this.audioSource = undefined); - - this.audioSource = source; - } - - createLight() { - const w = this.rect.width / 2; - const h = this.rect.height / 2; - const t = Math.max(w, h); - - const light = new THREE.SpotLight(this.props.spotLightColor, 1.5); - light.position.set(-t / 2, t / 2, t * 3); - light.target.position.set(0, 0, 0); - light.distance = t * 5; - light.castShadow = true; - light.shadow.camera.near = t / 10; - light.shadow.camera.far = t * 5; - light.shadow.camera.space = 20; - light.shadow.bias = 0.002; - light.shadow.mapSize.width = 512; - light.shadow.mapSize.height = 512; - - return light; - } - - createCamera() { - const w = this.rect.width / 2; - const h = this.rect.height / 2; - const wh = h / Math.tan(10 * Math.PI / 180); - - const camera = new THREE.PerspectiveCamera(20, w / h, 1, wh * 1.3); - camera.position.z = wh; - - return camera; - } - - createPlane() { - const plane = new THREE.Mesh(new THREE.PlaneGeometry(this.rect.width, this.rect.height, 1, 1), new THREE.MeshPhongMaterial({ color: this.props.planeColor })); - plane.receiveShadow = true; - - return plane; - } - - createDie({ position, velocity, angle, axis }) { - const die = createDiceByType(this.props.diceType, this.props.diceScale, this.props.diceColor, this.props.diceLabelColor); - die.castShadow = true; - die.body = new CANNON.Body({ mass: DICE_MASS[this.props.diceType], shape: die.geometry.cannonShape, material: this.diceMaterial }); - die.body.position.set(position.x, position.y, position.z); - die.body.quaternion.setFromAxisAngle(new CANNON.Vec3(axis.x, axis.y, axis.z), axis.a * Math.PI * 2); - die.body.angularVelocity.set(angle.x, angle.y, angle.z); - die.body.velocity.set(velocity.x, velocity.y, velocity.z); - die.body.linearDamping = 0.1; - die.body.angularDamping = 0.1; - this.diceCollection.push(die); - this.scene.add(die); - this.world.add(die.body); - } - - createDice(diceProps) { - for (let i in diceProps) { - const diceProp = diceProps[i]; - this.createDie(diceProp); - } - } - - hasDice() { - return this.diceCollection.length > 0; - } - - generateDiceProps(position, acceleration) { - const w = this.rect.width / 2; - const h = this.rect.height / 2; - - // this.log(`Generating dice props with ${JSON.stringify(position)} and acceleration ${acceleration}`); - - const vector = Object.assign({}, position); - const distance = Math.sqrt(vector.x * vector.x + vector.y * vector.y); - acceleration *= distance; - vector.x /= distance; - vector.y /= distance; - - let o = []; - - for (let i = 0; i < this.props.diceCount; i++) { - const v1 = randomVectorFromVector(vector); - const position = { - x: w * (v1.x > 0 ? -1 : 1) * 0.9, - y: h * (v1.y > 0 ? -1 : 1) * 0.9, - z: rng() * 200 + 200, - }; - - const projector = Math.abs(v1.x / v1.y); - - if (projector > 1.0) { - position.y /= projector; - } - else { - position.x *= projector; - } - - const v2 = randomVectorFromVector(vector); - const velocity = { x: v2.x * acceleration, y: v2.y * acceleration, z: -10 }; - const inertia = DICE_INERTIA[this.props.diceType]; - const angle = { x: -(rng() * v1.y * 5 + inertia * v1.y), y: rng() * v1.x * 5 + inertia * v1.x, z: 0 }; - const axis = { x: rng(), y: rng(), z: rng(), a: rng() }; - - o.push({ position, velocity, angle, axis }); - } - - return o; - } - - getDieValue(die) { - let vector = new THREE.Vector3(0, 0, 1); - let closestFace = null; - let closestAngle = Math.PI * 2; - - for (let i = 0, n = die.geometry.faces.length; i < n; i++) { - const face = die.geometry.faces[i]; - - if (face.materialIndex === 0) continue; - - const angle = face.normal.clone().applyQuaternion(die.body.quaternion).angleTo(vector); - - if (angle < closestAngle) { - closestAngle = angle; - closestFace = face; - } - } - - const materialIndex = closestFace.materialIndex - 1; - return materialIndex; - } - - getResults() { - let values = []; - - for (let i = 0, n = this.diceCollection.length; i < n; i++) { - values.push(this.getDieValue(this.diceCollection[i])); - } - - return values; - } - - reset() { - const w = this.rect.width; - const h = this.rect.height; - - this.log('Resetting the scene...', w, h); - - this.renderer.setSize(this.rect.width, this.rect.height); - - if (this.camera) this.scene.remove(this.camera); - this.camera = this.createCamera(); - - if (this.light) this.scene.remove(this.light); - this.light = this.createLight(); - this.scene.add(this.light); - - if (this.plane) this.scene.remove(this.plane); - this.plane = this.createPlane(); - this.scene.add(this.plane); - - while (this.walls.length > 0) { - const wall = this.walls.pop(); - this.world.remove(wall); - } - - const w1 = new CANNON.Body({ mass: 0, shape: new CANNON.Plane(), material: this.wallMaterial }); - w1.quaternion.setFromAxisAngle(new CANNON.Vec3(1, 0, 0), Math.PI / 2); - w1.position.set(0, h/2 * BOUNDS_SCALE_Y, 0); - this.world.add(w1); - this.walls.push(w1); - - const w2 = new CANNON.Body({ mass: 0, shape: new CANNON.Plane(), material: this.wallMaterial }); - w2.quaternion.setFromAxisAngle(new CANNON.Vec3(1, 0, 0), -Math.PI / 2); - w2.position.set(0, -h/2 * BOUNDS_SCALE_Y, 0); - this.world.add(w2); - this.walls.push(w2); - - const w3 = new CANNON.Body({ mass: 0, shape: new CANNON.Plane(), material: this.wallMaterial }); - w3.quaternion.setFromAxisAngle(new CANNON.Vec3(0, 1, 0), -Math.PI / 2); - w3.position.set(w/2 * BOUNDS_SCALE_X, 0, 0); - this.world.add(w3); - this.walls.push(w3); - - const w4 = new CANNON.Body({ mass: 0, shape: new CANNON.Plane(), material: this.wallMaterial }); - w4.quaternion.setFromAxisAngle(new CANNON.Vec3(0, 1, 0), Math.PI / 2); - w4.position.set(-w/2 * BOUNDS_SCALE_X, 0, 0); - this.world.add(w4); - this.walls.push(w4); - - this.renderer.render(this.scene, this.camera); - } - - clear() { - this.log('Clearing the scene'); - - clearTimeout(this.animateTimeout); - this.animateTimeout = null; - - let die; - - while (this.diceCollection.length > 0) { - die = this.diceCollection.pop(); - this.scene.remove(die); - if (die.body) this.world.remove(die.body); - } - - if (this.pane) this.scene.remove(this.pane); - - this.renderer.render(this.scene, this.camera); - } - - simulateRoll() { - this.log('Simulating dice roll...'); - - while (this.isRolling()) { - this.world.step(this.timeStep); - } - } - - roll(position, acceleration, fixedResults, soundEnabled = false) { - const w = this.rect.width / 2; - const h = this.rect.height / 2; - - if (!position) position = { x: (rng() * 2 - 1) * w, y: -(rng() * 2 - 1) * h }; - if (!acceleration) acceleration = (rng() + 3); - - this.setState({ isRolling: true }); - - if (soundEnabled && this.props.soundEnabled) { - this.playSound(); - } - - if (this.hasDice()) { - this.log('Shake shake shake...'); - - for (let i = 0, n = this.diceCollection.length; i < n; i++) { - const die = this.diceCollection[i]; - const intensity = acceleration * this.props.shakeIntensity; - const { x: vx, y: vy, z: vz } = die.body.velocity; - const { x: avx, y: avy, z: avz } = die.body.angularVelocity; - die.body.velocity = new CANNON.Vec3(vx, vy, vz); - die.body.angularVelocity = new CANNON.Vec3(avx + 300 + intensity / 2 * rng(false), avy + 300 + intensity / 2 * rng(false), avz + 400 + intensity / 2 * rng(false)); - } - - return; - } - - const diceProps = this.generateDiceProps(position, acceleration); - - this.clear(); - this.createDice(diceProps); - - this.log('Rolling dice...'); - - if (fixedResults && (fixedResults.length === this.props.diceCount)) { - this.simulateRoll(); - const expectedResults = this.getResults(); - this.clear(); - this.createDice(diceProps); - for (let i in expectedResults) { - this.playGameboy(this.diceCollection[i], expectedResults[i], fixedResults[i]); - } - } - - this.animate(this.createTimestamp()); - } - - isRolling() { - for (let i = 0, n = this.diceCollection.length; i < n; i++) { - const threshold = 1; - const die = this.diceCollection[i]; - const a = die.body.angularVelocity; - const v = die.body.velocity; - - if (Math.abs(a.x) > threshold) return true; - if (Math.abs(a.y) > threshold) return true; - if (Math.abs(a.z) > threshold) return true; - if (Math.abs(v.x) > threshold) return true; - if (Math.abs(v.y) > threshold) return true; - if (Math.abs(v.z) > threshold) return true; - } - - return false; - } - - onRollComplete() { - const result = this.getResults(); - this.log('Done rolling, showing result:', result); - this.setState({ isRolling: false }); - } - - playGameboy(die, oldValue, newValue) { - const range = DICE_FACE_RANGE[this.props.diceType]; - - if (!(newValue >= range[0] && newValue <= range[1])) return; - - const diff = newValue - oldValue; - const geom = die.geometry.clone(); - - for (let i = 0, n = geom.faces.length; i < n; i++) { - let materialIndex = geom.faces[i].materialIndex; - if (materialIndex === 0) continue; - materialIndex += diff - 1; - while (materialIndex > range[1]) materialIndex -= range[1]; - while (materialIndex < range[0]) materialIndex += range[1]; - geom.faces[i].materialIndex = materialIndex + 1; - } - - die.geometry = geom; - } - - animate(timestamp = this.createTimestamp()) { - const newTimestamp = this.createTimestamp(); - const delta = (newTimestamp - timestamp) / 1000; - - this.world.step(this.timeStep); - - for (let i in this.scene.children) { - const child = this.scene.children[i]; - - if (child.body) { - child.position.copy(child.body.position); - child.quaternion.copy(child.body.quaternion); - } - } - - this.renderer.render(this.scene, this.camera); - - if (!this.isRolling() && this.state.isRolling) this.onRollComplete(); - - this.animateTimeout = setTimeout(() => { - window.requestAnimationFrame(() => this.animate(timestamp > 0 ? newTimestamp : this.createTimestamp())); - clearTimeout(this.animateTimeout); - this.animateTimeout = null; - }, (delta < (this.timeStep)) ? (this.timeStep - delta) * 1000 : 0); - } - - render() { - const { className } = this.props; - - return ( -
- ); - } -} \ No newline at end of file diff --git a/src/components/Scene.pcss b/src/components/Scene.pcss deleted file mode 100644 index c3a2af6..0000000 --- a/src/components/Scene.pcss +++ /dev/null @@ -1,2 +0,0 @@ -.root { -} diff --git a/src/components/Settings.jsx b/src/components/Settings.jsx deleted file mode 100644 index 5dad79c..0000000 --- a/src/components/Settings.jsx +++ /dev/null @@ -1,138 +0,0 @@ -import classNames from 'classnames'; -import PropTypes from 'prop-types'; -import React, { useEffect, useState } from 'react'; -import $$GitHubIcon from '../assets/svgs/github-icon.svg'; -import $$Logo from '../assets/svgs/mu.svg'; -import DiceType from '../enums/DiceType'; -import RollMethod from '../enums/RollMethod'; -import { getDeviceMotionPermission, needsDeviceMotionPermission, requestDeviceMotionPermission } from '../utils/deviceMotion'; -import styles from './Settings.pcss'; - -const DICE_TYPE = { - d6: 'D6', - d8: 'D8', - d10: 'D10', - d12: 'D12', - d20: 'D20', -}; - -const ROLL_METHOD = { - tap: 'Tap Only', - shake: 'Shake Only', - tapAndShake: 'Tap & Shake', -}; - -export default function Settings({ - className, - diceCount: defaultDiceCount, - diceType: defaultDiceType, - isActive, - maxDiceCount, - rollMethod: defaultRollMethod, - soundEnabled: defaultSoundEnabled, - onChange, - onDismiss, -}) { - const [diceType, setDiceType] = useState(defaultDiceType); - const [diceCount, setDiceCount] = useState(defaultDiceCount); - const [rollMethod, setRollMethod] = useState(defaultRollMethod); - const [soundEnabled, setSoundEnabled] = useState(defaultSoundEnabled); - const [deviceMotionStatus, setDeviceMotionStatus] = useState(getDeviceMotionPermission()); - - useEffect(() => { - onChange?.({ diceType, diceCount, rollMethod, soundEnabled }); - }, [diceType, diceCount, rollMethod, soundEnabled]); - - useEffect(() => { - setDeviceMotionStatus(getDeviceMotionPermission()); - }, [isActive]); - - const onReset = () => { - setDiceType($APP_CONFIG.preferences.defaultDiceType); - setDiceCount($APP_CONFIG.preferences.defaultDiceCount); - setRollMethod($APP_CONFIG.preferences.defaultRollMethod); - setSoundEnabled($APP_CONFIG.preferences.defaultSoundEnabled); - }; - - const renderDeviceMotionStatus = () => { - if (rollMethod === 'tap') return <>; - - switch (deviceMotionStatus) { - case 'denied': return

âš  You have previously denied access to the device motion, please restart the browser to retry.

; - case 'notDetermined': return ; - default: return <>; - } - }; - - return ( -
-
onDismiss()}/> -
-
-

Settings

- {$APP_CONFIG.version} -
-
-
-
-

Dice type

- -
-
-

No. of dice

- -
-
-
-
-

Roll By

- - {needsDeviceMotionPermission() && deviceMotionStatus !== 'granted' && rollMethod !== 'tap' &&
âš 
} -
-
-

Sound

- -
-
-
-
- - -
- {renderDeviceMotionStatus()} -
- -
- ); -} - -Settings.propTypes = { - className: PropTypes.string, - diceCount: PropTypes.number.isRequired, - diceType: PropTypes.string.isRequired, - isActive: PropTypes.bool.isRequired, - maxDiceCount: PropTypes.number.isRequired, - rollMethod: PropTypes.string.isRequired, - soundEnabled: PropTypes.bool.isRequired, - onChange: PropTypes.func.isRequired, - onDismiss: PropTypes.func.isRequired, -}; diff --git a/src/components/Settings.pcss b/src/components/Settings.pcss deleted file mode 100644 index 8da8377..0000000 --- a/src/components/Settings.pcss +++ /dev/null @@ -1,203 +0,0 @@ -.root { - @post flex; - - -post-padding: 10%; - - & main { - @post flex(vertical); - - -post-size: 100% auto; - -post-max-size: 700px _; - } -} - -.background { - -post-align: top left; - -post-size: 100%; - background: #111; - opacity: .9; -} - -.title { - -post-margin: _ _ 30px; - text-align: center; - - h1 { - color: #fff; - font-size: 40px; - font-weight: 800; - letter-spacing: 2px; - text-transform: uppercase; - } - - span { - color: #999; - font-family: monospace; - font-size: 14px; - font-weight: 400; - } -} - -.option { - -post-size: 100px auto; - font-size: 18px; - color: #fff; - text-align: right; - letter-spacing: 0; - text-transform: uppercase; -} - -.columns { - @post flex(vertical, center); - - @media (min-width: 640px) { - @post flex(center); - } -} - -.row { - @post flex(left, center); - - -post-margin: 0 _; - - &:not(:first-child) { - -post-margin: 10px _; - } -} - -.select { - @post flex; - - -post-size: 130px 36px; - -post-margin: _ _ _ 20px; - -post-padding: _ 10px; - -post-transition: background 160ms ease-out; - appearance: none; - background: #000; - color: #fff; - border-radius: 8px; - font-size: 18px; - text-align: center; - - @media (hover: hover) { - &:hover { - background: #ccc; - color: #000; - } - } - - + figure { - @post flex; - - -post-align: left center; - color: #fff; - font-size: 12px; - margin-left: 5px; - left: 100%; - } -} - -.actions { - @post flex; - - button { - -post-padding: 10px 20px; - -post-margin: 2em .5em _; - -post-transition: background 160ms ease-out; - background: #fff; - border-radius: 8px; - color: #000; - font-size: 14px; - letter-spacing: 2px; - text-transform: uppercase; - - @media (hover: hover) { - &:hover { - background: #ccc; - } - } - } -} - -.footer { - @post flex(left, center); - - -post-align: bottom left; - -post-padding: 24px; - justify-content: space-between; - width: 100%; - padding-left: max(24px, env(safe-area-inset-left)); - padding-right: max(24px, env(safe-area-inset-right)); - padding-bottom: max(24px, env(safe-area-inset-bottom)); -} - -.monogram { - @post flex; - - -post-size: auto 20px; - -post-transition: opacity 160ms ease-out; - position: relative; - - & svg { - -post-size: auto 100%; - } - - @media (hover: hover) { - &:hover { - opacity: .8; - } - } - - &:after { - -post-size: 60px 40px; - -post-align: top left; - content: ''; - transform: translate3d(calc(-50% + 17px), calc(-50% + 10px), 0); - } -} - -.button { - -post-size: 20px; - -post-transition: all 160ms ease-out; - position: relative; - - & svg { - -post-size: 100%; - } - - @media (hover: hover) { - &:hover { - opacity: .8; - } - } - - &:after { - -post-size: 40px; - -post-align: top left; - content: ''; - transform: translate3d(calc(-50% + 10px), calc(-50% + 10px), 0); - } -} - -.request-button { - -post-margin: 2em _ _; - -post-transition: opacity 160ms ease-out; - font-size: 14px; - color: #fff; - height: 40px; - - @media (hover: hover) { - &:hover { - opacity: .8; - } - } -} - -.request-status { - -post-margin: 2em _ _; - font-size: 14px; - color: #fff; - max-width: 400px; - text-align: center; - line-height: 150%; -} diff --git a/src/core/createDiceByType.js b/src/core/createDiceByType.js deleted file mode 100644 index 270ccaa..0000000 --- a/src/core/createDiceByType.js +++ /dev/null @@ -1,47 +0,0 @@ -import { Mesh } from 'three'; -import DiceType from '../enums/DiceType'; -import { createD10Geom, createD12Geom, createD20Geom, createD6Geom, createD8Geom } from './geoms'; -import { createD6Materials, createDXMaterials } from './materials'; - -const DICE_COLOR = 0x202020; -const LABEL_COLOR = 0xffffff; - -export default function createDiceByType(type, scale, diceColor = DICE_COLOR, labelColor = LABEL_COLOR) { - switch (type) { - case DiceType.D8: return createD8(scale, diceColor, labelColor); - case DiceType.D10: return createD10(scale, diceColor, labelColor); - case DiceType.D12: return createD12(scale, diceColor, labelColor); - case DiceType.D20: return createD20(scale, diceColor, labelColor); - default: return createD6(scale, diceColor, labelColor); - } -} - -function createD6(scale, diceColor, labelColor) { - const geoms = createD6Geom(scale); - const materials = createD6Materials(scale / 2, diceColor, labelColor); - return new Mesh(geoms, materials); -} - -function createD8(scale, diceColor, labelColor) { - const geoms = createD8Geom(scale); - const materials = createDXMaterials(scale / 2, diceColor, labelColor); - return new Mesh(geoms, materials); -} - -function createD10(scale, diceColor, labelColor) { - const geoms = createD10Geom(scale); - const materials = createDXMaterials(scale / 2, diceColor, labelColor); - return new Mesh(geoms, materials); -} - -function createD12(scale, diceColor, labelColor) { - const geoms = createD12Geom(scale); - const materials = createDXMaterials(scale / 2, diceColor, labelColor); - return new Mesh(geoms, materials); -} - -function createD20(scale, diceColor, labelColor) { - const geoms = createD20Geom(scale); - const materials = createDXMaterials(scale / 2, diceColor, labelColor); - return new Mesh(geoms, materials); -} diff --git a/src/core/geoms/createD10Geom.js b/src/core/geoms/createD10Geom.js deleted file mode 100644 index 2d5cbbe..0000000 --- a/src/core/geoms/createD10Geom.js +++ /dev/null @@ -1,23 +0,0 @@ -import createGeom from './createGeom'; - -export default function createD10Geom(radius) { - const a = Math.PI * 2 / 10; - const h = 0.105, v = -1; - - let vertices = []; - - for (let i = 0, b = 0; i < 10; i++, b += a) { - vertices.push([Math.cos(b), Math.sin(b), h * (i % 2 ? 1 : -1)]); - } - - vertices.push([0, 0, -1]); vertices.push([0, 0, 1]); - - const faces = [ - [5, 7, 11, 0], [4, 2, 10, 1], [1, 3, 11, 2], [0, 8, 10, 3], [7, 9, 11, 4], - [8, 6, 10, 5], [9, 1, 11, 6], [2, 0, 10, 7], [3, 5, 11, 8], [6, 4, 10, 9], - [1, 0, 2, v], [1, 2, 3, v], [3, 2, 4, v], [3, 4, 5, v], [5, 4, 6, v], - [5, 6, 7, v], [7, 6, 8, v], [7, 8, 9, v], [9, 8, 0, v], [9, 0, 1, v], - ]; - - return createGeom(vertices, faces, radius, 0, Math.PI * 6 / 5, 0.945); -} diff --git a/src/core/geoms/createD12Geom.js b/src/core/geoms/createD12Geom.js deleted file mode 100644 index a1ac4c9..0000000 --- a/src/core/geoms/createD12Geom.js +++ /dev/null @@ -1,21 +0,0 @@ -import createGeom from './createGeom'; - -export default function createD12Geom(radius) { - const p = (1 + Math.sqrt(5)) / 2, q = 1 / p; - const vertices = [ - [0, q, p], [0, q, -p], [0, -q, p], [0, -q, -p], - [p, 0, q], [p, 0, -q], [-p, 0, q], [-p, 0, -q], - [q, p, 0], [q, -p, 0], [-q, p, 0], [-q, -p, 0], - [1, 1, 1], [1, 1, -1], [1, -1, 1], [1, -1, -1], - [-1, 1, 1], [-1, 1, -1], [-1, -1, 1], [-1, -1, -1], - ]; - - const faces = [ - [2, 14, 4, 12, 0, 1], [15, 9, 11, 19, 3, 2], [16, 10, 17, 7, 6, 3], - [6, 7, 19, 11, 18, 4], [6, 18, 2, 0, 16, 5], [18, 11, 9, 14, 2, 6], - [1, 17, 10, 8, 13, 7], [1, 13, 5, 15, 3, 8], [13, 8, 12, 4, 5, 9], - [5, 4, 14, 9, 15, 10], [0, 12, 8, 10, 16, 11], [3, 19, 7, 17, 1, 12], - ]; - - return createGeom(vertices, faces, radius, 0.2, -Math.PI / 4 / 2, 0.968); -} diff --git a/src/core/geoms/createD20Geom.js b/src/core/geoms/createD20Geom.js deleted file mode 100644 index 53d31c4..0000000 --- a/src/core/geoms/createD20Geom.js +++ /dev/null @@ -1,20 +0,0 @@ -import createGeom from './createGeom'; - -export default function createD20Geom(radius) { - const t = (1 + Math.sqrt(5)) / 2; - - const vertices = [ - [-1, t, 0], [1, t, 0], [-1, -t, 0], [1, -t, 0], - [0, -1, t], [0, 1, t], [0, -1, -t], [0, 1, -t], - [t, 0, -1], [t, 0, 1], [-t, 0, -1], [-t, 0, 1], - ]; - - var faces = [ - [0, 11, 5, 1], [0, 5, 1, 2], [0, 1, 7, 3], [0, 7, 10, 4], [0, 10, 11, 5], - [1, 5, 9, 6], [5, 11, 4, 7], [11, 10, 2, 8], [10, 7, 6, 9], [7, 1, 8, 10], - [3, 9, 4, 11], [3, 4, 2, 12], [3, 2, 6, 13], [3, 6, 8, 14], [3, 8, 9, 15], - [4, 9, 5, 16], [2, 4, 11, 17], [6, 2, 10, 18], [8, 6, 7, 19], [9, 8, 1, 20], - ]; - - return createGeom(vertices, faces, radius, -0.2, -Math.PI / 4 / 2, 0.955); -} diff --git a/src/core/geoms/createD6Geom.js b/src/core/geoms/createD6Geom.js deleted file mode 100644 index e914537..0000000 --- a/src/core/geoms/createD6Geom.js +++ /dev/null @@ -1,15 +0,0 @@ -import createGeom from './createGeom'; - -export default function createD6Geom(radius) { - const vertices = [ - [-1, -1, -1], [1, -1, -1], [1, 1, -1], [-1, 1, -1], - [-1, -1, 1], [1, -1, 1], [1, 1, 1], [-1, 1, 1], - ]; - - const faces = [ - [0, 3, 2, 1, 1], [1, 2, 6, 5, 2], [0, 1, 5, 4, 3], - [3, 7, 6, 2, 4], [0, 4, 7, 3, 5], [4, 5, 6, 7, 6], - ]; - - return createGeom(vertices, faces, radius, 0.1, Math.PI / 4, 0.96); -} diff --git a/src/core/geoms/createD8Geom.js b/src/core/geoms/createD8Geom.js deleted file mode 100644 index 536f13e..0000000 --- a/src/core/geoms/createD8Geom.js +++ /dev/null @@ -1,15 +0,0 @@ -import createGeom from './createGeom'; - -export default function createD8Geom(radius) { - const vertices = [ - [1, 0, 0], [-1, 0, 0], [0, 1, 0], - [0, -1, 0], [0, 0, 1], [0, 0, -1], - ]; - - const faces = [ - [0, 2, 4, 1], [0, 4, 3, 2], [0, 3, 5, 3], [0, 5, 2, 4], - [1, 3, 4, 5], [1, 4, 2, 6], [1, 2, 5, 7], [1, 5, 3, 8], - ]; - - return createGeom(vertices, faces, radius, 0, -Math.PI / 4 / 2, 0.965); -} diff --git a/src/core/geoms/createGeom.js b/src/core/geoms/createGeom.js deleted file mode 100644 index e6add16..0000000 --- a/src/core/geoms/createGeom.js +++ /dev/null @@ -1,139 +0,0 @@ -import CANNON from 'cannon'; -import { Face3, Geometry, Sphere, Vector2, Vector3 } from 'three'; - -export default function createGeom(vectors, faces, radius, tab, af, chamferMod) { - const vertices = vectors.map(t => (new Vector3()).fromArray(t).normalize()); - const { vectors: newVectors, faces: newFaces } = chamferGeom(vertices, faces, chamferMod); - const geom = makeGeom(newVectors, newFaces, radius, tab, af); - geom.cannonShape = createShape(vertices, faces, radius); - - return geom; -} - -function chamferGeom(vectors, faceDescriptors, mod) { - const tmp = vectors.map(t => []); - const newVectors = []; - const newFaces = []; - - for (const face of faceDescriptors) { - const n = face.length - 1; - const mat = face[n]; - - let newFace = new Array(n); - - for (let i = 0; i < n; i++) { - const vecIdx = face[i]; - const vec = vectors[vecIdx].clone(); - newVectors.push(vec); - - newFace[i] = newVectors.length - 1; - tmp[vecIdx].push(newFace[i]); - } - - newFace.push(mat); - newFaces.push(newFace); - } - - for (let i = 0; i < faceDescriptors.length - 1; i++) { - for (let j = i + 1; j < faceDescriptors.length; j++) { - let pairs = []; - let mLast = -1; - - for (let m = 0; m < faceDescriptors[i].length - 1; m++) { - const n = faceDescriptors[j].indexOf(faceDescriptors[i][m]); - - if (n >= 0 && n < faceDescriptors[j].length - 1) { - if (mLast >= 0 && m != mLast + 1) { - pairs.unshift([i, m], [j, n]); - } - else { - pairs.push([i, m], [j, n]); - } - - mLast = m; - } - } - - if (pairs.length != 4) continue; - - newFaces.push([ - newFaces[pairs[0][0]][pairs[0][1]], - newFaces[pairs[1][0]][pairs[1][1]], - newFaces[pairs[3][0]][pairs[3][1]], - newFaces[pairs[2][0]][pairs[2][1]], - -1, - ]); - } - } - - for (let i = 0; i < tmp.length; i++) { - let cf = tmp[i]; - let face = [cf[0]]; - let count = cf.length - 1; - - while (count) { - for (let m = faceDescriptors.length; m < newFaces.length; m++) { - let index = newFaces[m].indexOf(face[face.length - 1]); - - if (index >= 0 && index < 4) { - if (--index == -1) index = 3; - - const nextVertex = newFaces[m][index]; - - if (cf.indexOf(nextVertex) >= 0) { - face.push(nextVertex); - break; - } - } - } - - --count; - } - - face.push(-1); - newFaces.push(face); - } - - return { - vectors: newVectors, - faces: newFaces, - }; -} - -function makeGeom(vectors, faceDescriptors, radius, tab, af) { - const geom = new Geometry(); - const vertices = vectors.map(t => t.multiplyScalar(radius)); - - for (const descriptor of faceDescriptors) { - const face = descriptor.slice(0, -1); - const mat = descriptor.at(-1) + 1; - const n = face.length; - const aa = Math.PI * 2 / n; - - for (let i = 0; i < n - 2; i++) { - const a = face[0]; - const b = face[i + 1]; - const c = face[i + 2]; - - geom.faces.push(new Face3(a, b, c, [vertices[a], vertices[b], vertices[c]], 0, mat)); - geom.faceVertexUvs[0].push([ - new Vector2((Math.cos(af) + 1 + tab) / 2 / (1 + tab), (Math.sin(af) + 1 + tab) / 2 / (1 + tab)), - new Vector2((Math.cos(aa * (i + 1) + af) + 1 + tab) / 2 / (1 + tab), (Math.sin(aa * (i + 1) + af) + 1 + tab) / 2 / (1 + tab)), - new Vector2((Math.cos(aa * (i + 2) + af) + 1 + tab) / 2 / (1 + tab), (Math.sin(aa * (i + 2) + af) + 1 + tab) / 2 / (1 + tab)), - ]); - } - } - - geom.boundingSphere = new Sphere(new Vector3(), radius); - geom.vertices = vertices; - geom.computeFaceNormals(); - - return geom; -} - -function createShape(vectors, faceDescriptors, radius) { - const faces = faceDescriptors.map(t => t.slice(0, -1)); - const points = vectors.map(t => new CANNON.Vec3(t.x * radius, t.y * radius, t.z * radius)); - - return new CANNON.ConvexPolyhedron(points, faces); -} diff --git a/src/core/geoms/index.js b/src/core/geoms/index.js deleted file mode 100644 index e1ede9a..0000000 --- a/src/core/geoms/index.js +++ /dev/null @@ -1,5 +0,0 @@ -export { default as createD10Geom } from './createD10Geom'; -export { default as createD12Geom } from './createD12Geom'; -export { default as createD20Geom } from './createD20Geom'; -export { default as createD6Geom } from './createD6Geom'; -export { default as createD8Geom } from './createD8Geom'; diff --git a/src/core/materials/createD6Materials.js b/src/core/materials/createD6Materials.js deleted file mode 100644 index 3a34349..0000000 --- a/src/core/materials/createD6Materials.js +++ /dev/null @@ -1,117 +0,0 @@ -import { MeshPhongMaterial, Texture } from 'three'; -import { toWebHexString } from '../../utils/palette'; -import { calculateTextureSize } from '../../utils/texture'; - -export default function createD6Materials(scale, diceColor, labelColor) { - let materials = []; - - for (let i = 0; i < 8; i++) { - materials.push(new MeshPhongMaterial({ - map: createTexture(scale, i-1, diceColor, labelColor), - shininess: 6, - flatShading: true, - })); - } - - return materials; -} - -function createTexture(scale, value, diceColor, labelColor) { - const canvas = document.createElement('canvas'); - const ctx = canvas.getContext('2d'); - const s = calculateTextureSize(scale + scale * 2) * 2; - const r = scale * 0.25; - const p = scale * 1.3; - - canvas.width = s; - canvas.height = s; - - ctx.fillStyle = toWebHexString(diceColor); - ctx.fillRect(0, 0, canvas.width, canvas.height); - ctx.fillStyle = toWebHexString(labelColor); - - switch (value) { - case 6: - ctx.beginPath(); - ctx.arc(p + r, p + r, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(p + r, s/2, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(s - p - r, p + r, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(p + r, s - p - r, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(s - p - r, s/2, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(s - p - r, s - p - r, r, 0, 2 * Math.PI); - ctx.fill(); - break; - case 5: - ctx.beginPath(); - ctx.arc(s/2, s/2, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(p + r, p + r, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(s - p - r, p + r, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(p + r, s - p - r, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(s - p - r, s - p - r, r, 0, 2 * Math.PI); - ctx.fill(); - break; - case 4: - ctx.beginPath(); - ctx.arc(p + r, p + r, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(s - p - r, p + r, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(p + r, s - p - r, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(s - p - r, s - p - r, r, 0, 2 * Math.PI); - ctx.fill(); - break; - case 3: - ctx.beginPath(); - ctx.arc(s - p - r, p + r, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(s/2, s/2, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(p + r, s - p - r, r, 0, 2 * Math.PI); - ctx.fill(); - break; - case 2: - ctx.beginPath(); - ctx.arc(s - p - r, p + r, r, 0, 2 * Math.PI); - ctx.fill(); - ctx.beginPath(); - ctx.arc(p + r, s - p - r, r, 0, 2 * Math.PI); - ctx.fill(); - break; - case 1: - ctx.beginPath(); - ctx.arc(s/2, s/2, r, 0, 2 * Math.PI); - ctx.fill(); - break; - default: - // Do nothing. - } - - const texture = new Texture(canvas); - texture.needsUpdate = true; - - return texture; -} diff --git a/src/core/materials/createDXMaterials.js b/src/core/materials/createDXMaterials.js deleted file mode 100644 index df3e332..0000000 --- a/src/core/materials/createDXMaterials.js +++ /dev/null @@ -1,47 +0,0 @@ -import { MeshPhongMaterial, Texture } from 'three'; -import { toWebHexString } from '../../utils/palette'; -import { calculateTextureSize } from '../../utils/texture'; - -const FACE_LABELS = [' ', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20']; - -export default function createDXMaterials(scale, diceColor, labelColor) { - let materials = []; - - for (let i = 0; i < FACE_LABELS.length; i++) { - materials.push(new MeshPhongMaterial({ - map: createTextTexture(scale, FACE_LABELS[i], diceColor, labelColor), - shininess: 6, - flatShading: true, - })); - } - - return materials; -} - -function createTextTexture(scale, text, diceColor, labelColor) { - if (text === undefined) return null; - - const canvas = document.createElement('canvas'); - const ctx = canvas.getContext('2d'); - const s = calculateTextureSize(scale + scale * 2) * 2; - - canvas.width = s; - canvas.height = s; - - ctx.font = s / (3.6) + 'pt monospace'; - ctx.fillStyle = toWebHexString(diceColor); - ctx.fillRect(0, 0, canvas.width, canvas.height); - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = toWebHexString(labelColor); - ctx.fillText(text, canvas.width / 2, canvas.height / 2); - - if (text === '6' || text === '9') { - ctx.fillText(' .', canvas.width / 2, canvas.height / 2); - } - - const texture = new Texture(canvas); - texture.needsUpdate = true; - - return texture; -} diff --git a/src/core/materials/index.js b/src/core/materials/index.js deleted file mode 100644 index 792568e..0000000 --- a/src/core/materials/index.js +++ /dev/null @@ -1,2 +0,0 @@ -export { default as createD6Materials } from './createD6Materials'; -export { default as createDXMaterials } from './createDXMaterials'; diff --git a/src/decorators/logging.js b/src/decorators/logging.js deleted file mode 100644 index 276bfdc..0000000 --- a/src/decorators/logging.js +++ /dev/null @@ -1,19 +0,0 @@ -export default function logging(label) { - if (!window.localStorage.debug) { - window.localStorage.debug = `${label}`; - } - else { - window.localStorage.debug += `,${label}`; - } - - return function(constructor) { - return class extends constructor { - log() { - if (process.env.NODE_ENV === 'development') { - const debug = require('debug'); - debug(label).apply(undefined, arguments); - } - } - }; - }; -} diff --git a/src/enums/DiceType.js b/src/enums/DiceType.js deleted file mode 100644 index cf2762a..0000000 --- a/src/enums/DiceType.js +++ /dev/null @@ -1,7 +0,0 @@ -export default { - D6: 'd6', - D8: 'd8', - D10: 'd10', - D12: 'd12', - D20: 'd20', -}; \ No newline at end of file diff --git a/src/enums/RollMethod.js b/src/enums/RollMethod.js deleted file mode 100644 index 32d7435..0000000 --- a/src/enums/RollMethod.js +++ /dev/null @@ -1,5 +0,0 @@ -export default { - TAP: 'tap', - SHAKE: 'shake', - TAP_AND_SHAKE: 'tapAndShake', -}; \ No newline at end of file diff --git a/src/index.jsx b/src/index.jsx deleted file mode 100644 index 4e59ade..0000000 --- a/src/index.jsx +++ /dev/null @@ -1,7 +0,0 @@ -import React from 'react'; -import { createRoot } from 'react-dom/client'; -import App from './App'; - -window.__VERSION__ = $APP_CONFIG.version; - -createRoot(document.getElementById('app')).render(); diff --git a/src/static/app-icon-114.png b/src/static/app-icon-114.png deleted file mode 100644 index e03ccae3313bb3e58bb8beb358099b49d7a500a3..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 2883 zcmai0d0bNY7N?h%T3MN;AIE2e*_b1XIFTaMm|$9w8yc>KaKRhMMYtv|qm`LCJ}a}y 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- - diff --git a/src/utils/deviceMotion.js b/src/utils/deviceMotion.js deleted file mode 100644 index 40d4f7c..0000000 --- a/src/utils/deviceMotion.js +++ /dev/null @@ -1,37 +0,0 @@ -const CACHE_KEY_DEVICE_MOTION = 'device-motion'; -const CACHE_KEY_DEVICE_MOTION_REQUEST_DATE = 'device-motion-request-date'; - -export function needsDeviceMotionPermission() { - return typeof DeviceMotionEvent !== 'undefined' && typeof DeviceMotionEvent.requestPermission === 'function'; -} - -export async function requestDeviceMotionPermission() { - if (!needsDeviceMotionPermission()) return 'notSupported'; - - let status; - - try { - status = await DeviceMotionEvent.requestPermission(); // either 'granted' or 'denied' - } - catch (err) { - status = 'notDetermined'; - } - - sessionStorage.setItem(CACHE_KEY_DEVICE_MOTION, status); - - return status; -} - -export function getDeviceMotionPermission() { - if (!needsDeviceMotionPermission()) return 'notSupported'; - - return sessionStorage.getItem(CACHE_KEY_DEVICE_MOTION) ?? 'notDetermined'; -} - -export function rememberDeviceMotionRequestDate() { - sessionStorage.setItem(CACHE_KEY_DEVICE_MOTION_REQUEST_DATE, String(Date.now())); -} - -export function hasRequestedDeviceMotionPermission() { - return typeof sessionStorage.getItem(CACHE_KEY_DEVICE_MOTION_REQUEST_DATE) === 'string'; -} diff --git a/src/utils/palette.js b/src/utils/palette.js deleted file mode 100644 index c0700f3..0000000 --- a/src/utils/palette.js +++ /dev/null @@ -1,7 +0,0 @@ -export function toHexString(number) { - return `0x${number.toString(16)}`; -} - -export function toWebHexString(number) { - return `#${number.toString(16)}`; -} diff --git a/src/utils/random.js b/src/utils/random.js deleted file mode 100644 index 36fd16a..0000000 --- a/src/utils/random.js +++ /dev/null @@ -1,29 +0,0 @@ -export function rng(positiveOnly = true) { - if (positiveOnly) { - return Math.random(); - } - else { - return Math.random() * 2 - 1; - } -} - -export function randomVectorFromVector(vector) { - const angle = rng() * Math.PI / 5 - Math.PI / 5 / 2; - const out = { - x: vector.x * Math.cos(angle) - vector.x * Math.sin(angle), - y: vector.x * Math.sin(angle) + vector.y * Math.cos(angle), - }; - - return out; -} - -export function randomVector3FromVector3(vector3) { - const angle = rng() * Math.PI / 5 - Math.PI / 5 / 2; - const out = { - x: vector3.x * Math.cos(angle) - vector3.x * Math.sin(angle), - y: vector3.x * Math.sin(angle) + vector3.y * Math.cos(angle), - z: vector3.z * Math.sin(angle) + vector3.z * Math.cos(angle), - }; - - return out; -} \ No newline at end of file diff --git a/src/utils/texture.js b/src/utils/texture.js deleted file mode 100644 index 379bef1..0000000 --- a/src/utils/texture.js +++ /dev/null @@ -1,3 +0,0 @@ -export function calculateTextureSize(approx) { - return Math.pow(2, Math.floor(Math.log(approx) / Math.log(2))); -} diff --git a/res/twitter-card/twitter-card.png b/twitter-card.png similarity index 100% rename from res/twitter-card/twitter-card.png rename to twitter-card.png

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!hasRequestedDeviceMotionPermission() }); - }); - } - - componentWillUnmount() { - document.body.removeEventListener('touchmove', this.onTouchMove); - window.removeEventListener('shake', this.onShake); - - this.resizeObserver.unobserve(document.documentElement); - this.resizeObserver = undefined; - - this.shakeHandler?.stop(); - this.shakeHandler = undefined; - - this.touchHandler.remove('tap'); - this.touchHandler = undefined; - } - - componentDidUpdate(prevProps, prevState) { - if (this.state.diceType !== prevState.diceType || this.state.diceCount !== prevState.diceCount) { - this.log('Dice changed'); - this.nodeRefs.scene.current?.clear(); - this.nodeRefs.scene.current?.roll(undefined, undefined, window.__GAMEBOY__); - } - } - - onOpenSettings = () => { - this.setState({ areSettingsVisible: true }); - }; - - onDismissSettings = () => { - this.setState({ areSettingsVisible: false }); - }; - - onChangeSettings = ({ diceType, diceCount, rollMethod, soundEnabled }) => { - const newSettings = { diceType, diceCount, rollMethod, soundEnabled }; - - localStorage.setItem(CACHE_KEY_SETTINGS, JSON.stringify(newSettings)); - - this.setState({ ...newSettings }); - }; - - onDismissPermissionModal = () => { - this.setState({ isDeviceMotionAlertVisible: false }); - }; - - onResize = () => { - this.nodeRefs.scene.current?.reset(); - }; - - onTouchMove = (event) => { - event.preventDefault(); - }; - - onShake = (event) => { - if (this.state.areSettingsVisible === true) return; - if (this.state.rollMethod === RollMethod.TAP) return; - this.nodeRefs.scene.current?.roll(undefined, undefined, window.__GAMEBOY__, true); - }; - - onTap = (event) => { - if (this.state.areSettingsVisible === true) return; - if (this.state.rollMethod === RollMethod.SHAKE) return; - this.nodeRefs.scene.current?.roll(undefined, undefined, window.__GAMEBOY__, true); - }; - - render() { - return ( -