diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 00000000..4a7ea303 --- /dev/null +++ b/.editorconfig @@ -0,0 +1,12 @@ +root = true + +[*] +indent_style = space +indent_size = 2 +end_of_line = lf +charset = utf-8 +trim_trailing_whitespace = true +insert_final_newline = true + +[*.md] +trim_trailing_whitespace = false diff --git a/.eslintrc.js b/.eslintrc.js new file mode 100644 index 00000000..f2ddd9ce --- /dev/null +++ b/.eslintrc.js @@ -0,0 +1,3 @@ +module.exports = { + "extends": "google" +}; \ No newline at end of file diff --git a/.gitignore b/.gitignore index 482e34b1..6c2602c8 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,65 @@ +# Project custom ignores .DS_Store *.swp *.swo +.idea +*.iml + +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* + +# Runtime data +pids +*.pid +*.seed +*.pid.lock + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage + +# nyc test coverage +.nyc_output + +# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# Bower dependency directory (https://bower.io/) +bower_components + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (http://nodejs.org/api/addons.html) +build/Release + +# Dependency directories +node_modules/ +jspm_packages/ + +# Typescript v1 declaration files +typings/ + +# Optional npm cache directory +.npm + +# Optional eslint cache +.eslintcache + +# Optional REPL history +.node_repl_history + +# Output of 'npm pack' +*.tgz + +# Yarn Integrity file +.yarn-integrity + +# dotenv environment variables file +.env \ No newline at end of file diff --git a/.travis.yml b/.travis.yml new file mode 100644 index 00000000..587bd3e0 --- /dev/null +++ b/.travis.yml @@ -0,0 +1 @@ +language: node_js diff --git a/README.md b/README.md index edc4d8a4..0718f120 100644 --- a/README.md +++ b/README.md @@ -1,28 +1,73 @@ -VR View -======= +# VR View + +[![Build Status](https://travis-ci.org/googlevr/vrview.svg?branch=master)](https://travis-ci.org/googlevr/vrview) +[![dependencies Status](https://david-dm.org/googlevr/vrview/status.svg)](https://david-dm.org/googlevr/vrview) +[![devDependencies Status](https://david-dm.org/googlevr/vrview/dev-status.svg)](https://david-dm.org/googlevr/vrview?type=dev) VR View allows you to embed 360 degree VR media into websites on desktop and mobile. For more information, please read the documentation available at . +# Configuration + +A complete list of VR View parameters can be found in the table below. + +Name | Type | Parameter description +---- | ---- | --------------------- +`video` | String | URL to a 360° video file or an adaptive streaming manifest file (.mpd or .m3u8). Exactly one of video or image is required. +`image` | String | URL to a 360° image file. Exactly one of video or image is required. +`width` | String | String value for the iframe's width attribute. +`height` | String | String value for the iframe's height attribute. +`preview` | String | (Optional) URL to a preview image for a 360° image file. +`is_stereo` | Boolean | (Optional) Indicates whether the content at the image or video URL is stereo or not. +`is_debug` | Boolean | (Optional) When true, turns on debug features like rendering hotspots ad showing the FPS meter. +`is_vr_off` | Boolean | (Optional) When true, disables the VR mode button. +`is_autopan_off` | Boolean | (Optional) When true, disables the autopan introduction on desktop. +`default_yaw` | Number | (Optional) Numeric angle in degrees of the initial heading for the 360° content. By default, the camera points at the center of the underlying image. +`is_yaw_only` | Boolean | (Optional) When true, prevents roll and pitch. This is intended for stereo panoramas. +`loop` | Boolean | (Optional) When false, stops the loop in the video. +`hide_fullscreen_button` | Boolean | (Optional) When true, the fullscreen button contained inside the VR View iframe will be hidden. This parameter is useful if the user wants to use VR View's fullscreen workflow (via `vrView.setFullscreen()` callback) with an element outside the iframe. +`volume` | Number | (Optional) The initial volume of the media; it ranges between 0 and 1; zero equals muted. +`muted` | Boolean | (Optional) When true, mutes the sound of the video. + +# Downloading files + +The `gh-pages` branch hosts the built files. Download these instead of linking to these +locations, since the directory structure of the repo may change in the future. + +* [https://googlevr.github.io/vrview/build/vrview.js](https://googlevr.github.io/vrview/build/vrview.js) +* [https://googlevr.github.io/vrview/build/vrview.min.js](https://googlevr.github.io/vrview/build/vrview.min.js) +* [https://googlevr.github.io/vrview/build/embed.js](https://googlevr.github.io/vrview/build/embed.js) +* [https://googlevr.github.io/vrview/build/embed.min.js](https://googlevr.github.io/vrview/build/embed.min.js) +* [https://googlevr.github.io/vrview/build/three.js](https://googlevr.github.io/vrview/build/three.js) +* [https://googlevr.github.io/vrview/build/three.min.js](https://googlevr.github.io/vrview/build/three.min.js) +* [https://googlevr.github.io/vrview/build/device-motion-sender.min.js](https://googlevr.github.io/vrview/build/device-motion-sender.min.js) + # Building -This project uses browserify to manage dependencies and build. Watchify is +This project uses `browserify` to manage dependencies and build. `watchify` is especially convenient to preserve the write-and-reload model of development. This package lives in the npm index. -Relevant commands: +**Current builds are not working on Windows ([#261](https://github.com/googlevr/vrview/issues/261))** - npm build - builds the module. - npm build-analytics - builds the module with analytics support. - npm watch - auto-builds the module whenever any source changes. +Relevant commands: +```shell +$ npm run build # builds the iframe embed and JS API (full and minified versions). +$ npm run build-api # builds the JS API (full and minified versions). +$ npm run build-min # builds the minified iframe embed. +$ npm run build-dev # builds the full iframe embed. -# Updating the npm entry +$ npm run build-api-min # builds the minified JS API. +$ npm run build-api-dev # builds the full JS API. -Once changes are made, a new version can be published to the index using the -following commands: +$ npm run watch # auto-builds the iframe embed whenever any source changes. +$ npm run watch-api # auto-builds the JS API code whenever any source changes. +``` +As of 2017/06/13, the pre-built js artifacts have been removed from source +control. You must run `npm run build` prior to trying any of the examples. - npm version - npm publish - git push +# Release Notes +## 2.0.2 +Close vulnerability with unsanitized user strings being injected into DOM diff --git a/build/device-motion-sender.min.js b/build/device-motion-sender.min.js new file mode 100644 index 00000000..d43248e9 --- /dev/null +++ b/build/device-motion-sender.min.js @@ -0,0 +1 @@ +function DeviceMotionSender(){if(!this.isIOS_()){return}window.addEventListener("devicemotion",this.onDeviceMotion_.bind(this),false);this.iframes=document.querySelectorAll("iframe.vrview")}DeviceMotionSender.prototype.onDeviceMotion_=function(e){var message={type:"DeviceMotion",deviceMotionEvent:this.cloneDeviceMotionEvent_(e)};for(var i=0;i 1 ? 1 : elapsed; + + value = _easingFunction(elapsed); + + for (property in _valuesEnd) { + + // Don't update properties that do not exist in the source object + if (_valuesStart[property] === undefined) { + continue; + } + + var start = _valuesStart[property] || 0; + var end = _valuesEnd[property]; + + if (end instanceof Array) { + + _object[property] = _interpolationFunction(end, value); + + } else { + + // Parses relative end values with start as base (e.g.: +10, -3) + if (typeof (end) === 'string') { + + if (end.charAt(0) === '+' || end.charAt(0) === '-') { + end = start + parseFloat(end); + } else { + end = parseFloat(end); + } + } + + // Protect against non numeric properties. + if (typeof (end) === 'number') { + _object[property] = start + (end - start) * value; + } + + } + + } + + if (_onUpdateCallback !== null) { + _onUpdateCallback.call(_object, value); + } + + if (elapsed === 1) { + + if (_repeat > 0) { + + if (isFinite(_repeat)) { + _repeat--; + } + + // Reassign starting values, restart by making startTime = now + for (property in _valuesStartRepeat) { + + if (typeof (_valuesEnd[property]) === 'string') { + _valuesStartRepeat[property] = _valuesStartRepeat[property] + parseFloat(_valuesEnd[property]); + } + + if (_yoyo) { + var tmp = _valuesStartRepeat[property]; + + _valuesStartRepeat[property] = _valuesEnd[property]; + _valuesEnd[property] = tmp; + } + + _valuesStart[property] = _valuesStartRepeat[property]; + + } + + if (_yoyo) { + _reversed = !_reversed; + } + + if (_repeatDelayTime !== undefined) { + _startTime = time + _repeatDelayTime; + } else { + _startTime = time + _delayTime; + } + + return true; + + } else { + + if (_onCompleteCallback !== null) { + + _onCompleteCallback.call(_object, _object); + } + + for (var i = 0, numChainedTweens = _chainedTweens.length; i < numChainedTweens; i++) { + // Make the chained tweens start exactly at the time they should, + // even if the `update()` method was called way past the duration of the tween + _chainedTweens[i].start(_startTime + _duration); + } + + return false; + + } + + } + + return true; + + }; + +}; + + +TWEEN.Easing = { + + Linear: { + + None: function (k) { + + return k; + + } + + }, + + Quadratic: { + + In: function (k) { + + return k * k; + + }, + + Out: function (k) { + + return k * (2 - k); + + }, + + InOut: function (k) { + + if ((k *= 2) < 1) { + return 0.5 * k * k; + } + + return - 0.5 * (--k * (k - 2) - 1); + + } + + }, + + Cubic: { + + In: function (k) { + + return k * k * k; + + }, + + Out: function (k) { + + return --k * k * k + 1; + + }, + + InOut: function (k) { + + if ((k *= 2) < 1) { + return 0.5 * k * k * k; + } + + return 0.5 * ((k -= 2) * k * k + 2); + + } + + }, + + Quartic: { + + In: function (k) { + + return k * k * k * k; + + }, + + Out: function (k) { + + return 1 - (--k * k * k * k); + + }, + + InOut: function (k) { + + if ((k *= 2) < 1) { + return 0.5 * k * k * k * k; + } + + return - 0.5 * ((k -= 2) * k * k * k - 2); + + } + + }, + + Quintic: { + + In: function (k) { + + return k * k * k * k * k; + + }, + + Out: function (k) { + + return --k * k * k * k * k + 1; + + }, + + InOut: function (k) { + + if ((k *= 2) < 1) { + return 0.5 * k * k * k * k * k; + } + + return 0.5 * ((k -= 2) * k * k * k * k + 2); + + } + + }, + + Sinusoidal: { + + In: function (k) { + + return 1 - Math.cos(k * Math.PI / 2); + + }, + + Out: function (k) { + + return Math.sin(k * Math.PI / 2); + + }, + + InOut: function (k) { + + return 0.5 * (1 - Math.cos(Math.PI * k)); + + } + + }, + + Exponential: { + + In: function (k) { + + return k === 0 ? 0 : Math.pow(1024, k - 1); + + }, + + Out: function (k) { + + return k === 1 ? 1 : 1 - Math.pow(2, - 10 * k); + + }, + + InOut: function (k) { + + if (k === 0) { + return 0; + } + + if (k === 1) { + return 1; + } + + if ((k *= 2) < 1) { + return 0.5 * Math.pow(1024, k - 1); + } + + return 0.5 * (- Math.pow(2, - 10 * (k - 1)) + 2); + + } + + }, + + Circular: { + + In: function (k) { + + return 1 - Math.sqrt(1 - k * k); + + }, + + Out: function (k) { + + return Math.sqrt(1 - (--k * k)); + + }, + + InOut: function (k) { + + if ((k *= 2) < 1) { + return - 0.5 * (Math.sqrt(1 - k * k) - 1); + } + + return 0.5 * (Math.sqrt(1 - (k -= 2) * k) + 1); + + } + + }, + + Elastic: { + + In: function (k) { + + if (k === 0) { + return 0; + } + + if (k === 1) { + return 1; + } + + return -Math.pow(2, 10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI); + + }, + + Out: function (k) { + + if (k === 0) { + return 0; + } + + if (k === 1) { + return 1; + } + + return Math.pow(2, -10 * k) * Math.sin((k - 0.1) * 5 * Math.PI) + 1; + + }, + + InOut: function (k) { + + if (k === 0) { + return 0; + } + + if (k === 1) { + return 1; + } + + k *= 2; + + if (k < 1) { + return -0.5 * Math.pow(2, 10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI); + } + + return 0.5 * Math.pow(2, -10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI) + 1; + + } + + }, + + Back: { + + In: function (k) { + + var s = 1.70158; + + return k * k * ((s + 1) * k - s); + + }, + + Out: function (k) { + + var s = 1.70158; + + return --k * k * ((s + 1) * k + s) + 1; + + }, + + InOut: function (k) { + + var s = 1.70158 * 1.525; + + if ((k *= 2) < 1) { + return 0.5 * (k * k * ((s + 1) * k - s)); + } + + return 0.5 * ((k -= 2) * k * ((s + 1) * k + s) + 2); + + } + + }, + + Bounce: { + + In: function (k) { + + return 1 - TWEEN.Easing.Bounce.Out(1 - k); + + }, + + Out: function (k) { + + if (k < (1 / 2.75)) { + return 7.5625 * k * k; + } else if (k < (2 / 2.75)) { + return 7.5625 * (k -= (1.5 / 2.75)) * k + 0.75; + } else if (k < (2.5 / 2.75)) { + return 7.5625 * (k -= (2.25 / 2.75)) * k + 0.9375; + } else { + return 7.5625 * (k -= (2.625 / 2.75)) * k + 0.984375; + } + + }, + + InOut: function (k) { + + if (k < 0.5) { + return TWEEN.Easing.Bounce.In(k * 2) * 0.5; + } + + return TWEEN.Easing.Bounce.Out(k * 2 - 1) * 0.5 + 0.5; + + } + + } + +}; + +TWEEN.Interpolation = { + + Linear: function (v, k) { + + var m = v.length - 1; + var f = m * k; + var i = Math.floor(f); + var fn = TWEEN.Interpolation.Utils.Linear; + + if (k < 0) { + return fn(v[0], v[1], f); + } + + if (k > 1) { + return fn(v[m], v[m - 1], m - f); + } + + return fn(v[i], v[i + 1 > m ? m : i + 1], f - i); + + }, + + Bezier: function (v, k) { + + var b = 0; + var n = v.length - 1; + var pw = Math.pow; + var bn = TWEEN.Interpolation.Utils.Bernstein; + + for (var i = 0; i <= n; i++) { + b += pw(1 - k, n - i) * pw(k, i) * v[i] * bn(n, i); + } + + return b; + + }, + + CatmullRom: function (v, k) { + + var m = v.length - 1; + var f = m * k; + var i = Math.floor(f); + var fn = TWEEN.Interpolation.Utils.CatmullRom; + + if (v[0] === v[m]) { + + if (k < 0) { + i = Math.floor(f = m * (1 + k)); + } + + return fn(v[(i - 1 + m) % m], v[i], v[(i + 1) % m], v[(i + 2) % m], f - i); + + } else { + + if (k < 0) { + return v[0] - (fn(v[0], v[0], v[1], v[1], -f) - v[0]); + } + + if (k > 1) { + return v[m] - (fn(v[m], v[m], v[m - 1], v[m - 1], f - m) - v[m]); + } + + return fn(v[i ? i - 1 : 0], v[i], v[m < i + 1 ? m : i + 1], v[m < i + 2 ? m : i + 2], f - i); + + } + + }, + + Utils: { + + Linear: function (p0, p1, t) { + + return (p1 - p0) * t + p0; + + }, + + Bernstein: function (n, i) { + + var fc = TWEEN.Interpolation.Utils.Factorial; + + return fc(n) / fc(i) / fc(n - i); + + }, + + Factorial: (function () { + + var a = [1]; + + return function (n) { + + var s = 1; + + if (a[n]) { + return a[n]; + } + + for (var i = n; i > 1; i--) { + s *= i; + } + + a[n] = s; + return s; + + }; + + })(), + + CatmullRom: function (p0, p1, p2, p3, t) { + + 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; + + } + + } + +}; + +// UMD (Universal Module Definition) +(function (root) { + + if (typeof define === 'function' && define.amd) { + + // AMD + define([], function () { + return TWEEN; + }); + + } else if (typeof module !== 'undefined' && typeof exports === 'object') { + + // Node.js + module.exports = TWEEN; + + } else if (root !== undefined) { + + // Global variable + root.TWEEN = TWEEN; + + } + +})(this); + +}).call(this,_dereq_('_process')) +},{"_process":4}],2:[function(_dereq_,module,exports){ +(function (process,global){ +/*! + * @overview es6-promise - a tiny implementation of Promises/A+. + * @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors (Conversion to ES6 API by Jake Archibald) + * @license Licensed under MIT license + * See https://raw.githubusercontent.com/stefanpenner/es6-promise/master/LICENSE + * @version 3.3.1 + */ + +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global.ES6Promise = factory()); +}(this, (function () { 'use strict'; + +function objectOrFunction(x) { + return typeof x === 'function' || typeof x === 'object' && x !== null; +} + +function isFunction(x) { + return typeof x === 'function'; +} + +var _isArray = undefined; +if (!Array.isArray) { + _isArray = function (x) { + return Object.prototype.toString.call(x) === '[object Array]'; + }; +} else { + _isArray = Array.isArray; +} + +var isArray = _isArray; + +var len = 0; +var vertxNext = undefined; +var customSchedulerFn = undefined; + +var asap = function asap(callback, arg) { + queue[len] = callback; + queue[len + 1] = arg; + len += 2; + if (len === 2) { + // If len is 2, that means that we need to schedule an async flush. + // If additional callbacks are queued before the queue is flushed, they + // will be processed by this flush that we are scheduling. + if (customSchedulerFn) { + customSchedulerFn(flush); + } else { + scheduleFlush(); + } + } +}; + +function setScheduler(scheduleFn) { + customSchedulerFn = scheduleFn; +} + +function setAsap(asapFn) { + asap = asapFn; +} + +var browserWindow = typeof window !== 'undefined' ? window : undefined; +var browserGlobal = browserWindow || {}; +var BrowserMutationObserver = browserGlobal.MutationObserver || browserGlobal.WebKitMutationObserver; +var isNode = typeof self === 'undefined' && typeof process !== 'undefined' && ({}).toString.call(process) === '[object process]'; + +// test for web worker but not in IE10 +var isWorker = typeof Uint8ClampedArray !== 'undefined' && typeof importScripts !== 'undefined' && typeof MessageChannel !== 'undefined'; + +// node +function useNextTick() { + // node version 0.10.x displays a deprecation warning when nextTick is used recursively + // see https://github.com/cujojs/when/issues/410 for details + return function () { + return process.nextTick(flush); + }; +} + +// vertx +function useVertxTimer() { + return function () { + vertxNext(flush); + }; +} + +function useMutationObserver() { + var iterations = 0; + var observer = new BrowserMutationObserver(flush); + var node = document.createTextNode(''); + observer.observe(node, { characterData: true }); + + return function () { + node.data = iterations = ++iterations % 2; + }; +} + +// web worker +function useMessageChannel() { + var channel = new MessageChannel(); + channel.port1.onmessage = flush; + return function () { + return channel.port2.postMessage(0); + }; +} + +function useSetTimeout() { + // Store setTimeout reference so es6-promise will be unaffected by + // other code modifying setTimeout (like sinon.useFakeTimers()) + var globalSetTimeout = setTimeout; + return function () { + return globalSetTimeout(flush, 1); + }; +} + +var queue = new Array(1000); +function flush() { + for (var i = 0; i < len; i += 2) { + var callback = queue[i]; + var arg = queue[i + 1]; + + callback(arg); + + queue[i] = undefined; + queue[i + 1] = undefined; + } + + len = 0; +} + +function attemptVertx() { + try { + var r = _dereq_; + var vertx = r('vertx'); + vertxNext = vertx.runOnLoop || vertx.runOnContext; + return useVertxTimer(); + } catch (e) { + return useSetTimeout(); + } +} + +var scheduleFlush = undefined; +// Decide what async method to use to triggering processing of queued callbacks: +if (isNode) { + scheduleFlush = useNextTick(); +} else if (BrowserMutationObserver) { + scheduleFlush = useMutationObserver(); +} else if (isWorker) { + scheduleFlush = useMessageChannel(); +} else if (browserWindow === undefined && typeof _dereq_ === 'function') { + scheduleFlush = attemptVertx(); +} else { + scheduleFlush = useSetTimeout(); +} + +function then(onFulfillment, onRejection) { + var _arguments = arguments; + + var parent = this; + + var child = new this.constructor(noop); + + if (child[PROMISE_ID] === undefined) { + makePromise(child); + } + + var _state = parent._state; + + if (_state) { + (function () { + var callback = _arguments[_state - 1]; + asap(function () { + return invokeCallback(_state, child, callback, parent._result); + }); + })(); + } else { + subscribe(parent, child, onFulfillment, onRejection); + } + + return child; +} + +/** + `Promise.resolve` returns a promise that will become resolved with the + passed `value`. It is shorthand for the following: + + ```javascript + let promise = new Promise(function(resolve, reject){ + resolve(1); + }); + + promise.then(function(value){ + // value === 1 + }); + ``` + + Instead of writing the above, your code now simply becomes the following: + + ```javascript + let promise = Promise.resolve(1); + + promise.then(function(value){ + // value === 1 + }); + ``` + + @method resolve + @static + @param {Any} value value that the returned promise will be resolved with + Useful for tooling. + @return {Promise} a promise that will become fulfilled with the given + `value` +*/ +function resolve(object) { + /*jshint validthis:true */ + var Constructor = this; + + if (object && typeof object === 'object' && object.constructor === Constructor) { + return object; + } + + var promise = new Constructor(noop); + _resolve(promise, object); + return promise; +} + +var PROMISE_ID = Math.random().toString(36).substring(16); + +function noop() {} + +var PENDING = void 0; +var FULFILLED = 1; +var REJECTED = 2; + +var GET_THEN_ERROR = new ErrorObject(); + +function selfFulfillment() { + return new TypeError("You cannot resolve a promise with itself"); +} + +function cannotReturnOwn() { + return new TypeError('A promises callback cannot return that same promise.'); +} + +function getThen(promise) { + try { + return promise.then; + } catch (error) { + GET_THEN_ERROR.error = error; + return GET_THEN_ERROR; + } +} + +function tryThen(then, value, fulfillmentHandler, rejectionHandler) { + try { + then.call(value, fulfillmentHandler, rejectionHandler); + } catch (e) { + return e; + } +} + +function handleForeignThenable(promise, thenable, then) { + asap(function (promise) { + var sealed = false; + var error = tryThen(then, thenable, function (value) { + if (sealed) { + return; + } + sealed = true; + if (thenable !== value) { + _resolve(promise, value); + } else { + fulfill(promise, value); + } + }, function (reason) { + if (sealed) { + return; + } + sealed = true; + + _reject(promise, reason); + }, 'Settle: ' + (promise._label || ' unknown promise')); + + if (!sealed && error) { + sealed = true; + _reject(promise, error); + } + }, promise); +} + +function handleOwnThenable(promise, thenable) { + if (thenable._state === FULFILLED) { + fulfill(promise, thenable._result); + } else if (thenable._state === REJECTED) { + _reject(promise, thenable._result); + } else { + subscribe(thenable, undefined, function (value) { + return _resolve(promise, value); + }, function (reason) { + return _reject(promise, reason); + }); + } +} + +function handleMaybeThenable(promise, maybeThenable, then$$) { + if (maybeThenable.constructor === promise.constructor && then$$ === then && maybeThenable.constructor.resolve === resolve) { + handleOwnThenable(promise, maybeThenable); + } else { + if (then$$ === GET_THEN_ERROR) { + _reject(promise, GET_THEN_ERROR.error); + } else if (then$$ === undefined) { + fulfill(promise, maybeThenable); + } else if (isFunction(then$$)) { + handleForeignThenable(promise, maybeThenable, then$$); + } else { + fulfill(promise, maybeThenable); + } + } +} + +function _resolve(promise, value) { + if (promise === value) { + _reject(promise, selfFulfillment()); + } else if (objectOrFunction(value)) { + handleMaybeThenable(promise, value, getThen(value)); + } else { + fulfill(promise, value); + } +} + +function publishRejection(promise) { + if (promise._onerror) { + promise._onerror(promise._result); + } + + publish(promise); +} + +function fulfill(promise, value) { + if (promise._state !== PENDING) { + return; + } + + promise._result = value; + promise._state = FULFILLED; + + if (promise._subscribers.length !== 0) { + asap(publish, promise); + } +} + +function _reject(promise, reason) { + if (promise._state !== PENDING) { + return; + } + promise._state = REJECTED; + promise._result = reason; + + asap(publishRejection, promise); +} + +function subscribe(parent, child, onFulfillment, onRejection) { + var _subscribers = parent._subscribers; + var length = _subscribers.length; + + parent._onerror = null; + + _subscribers[length] = child; + _subscribers[length + FULFILLED] = onFulfillment; + _subscribers[length + REJECTED] = onRejection; + + if (length === 0 && parent._state) { + asap(publish, parent); + } +} + +function publish(promise) { + var subscribers = promise._subscribers; + var settled = promise._state; + + if (subscribers.length === 0) { + return; + } + + var child = undefined, + callback = undefined, + detail = promise._result; + + for (var i = 0; i < subscribers.length; i += 3) { + child = subscribers[i]; + callback = subscribers[i + settled]; + + if (child) { + invokeCallback(settled, child, callback, detail); + } else { + callback(detail); + } + } + + promise._subscribers.length = 0; +} + +function ErrorObject() { + this.error = null; +} + +var TRY_CATCH_ERROR = new ErrorObject(); + +function tryCatch(callback, detail) { + try { + return callback(detail); + } catch (e) { + TRY_CATCH_ERROR.error = e; + return TRY_CATCH_ERROR; + } +} + +function invokeCallback(settled, promise, callback, detail) { + var hasCallback = isFunction(callback), + value = undefined, + error = undefined, + succeeded = undefined, + failed = undefined; + + if (hasCallback) { + value = tryCatch(callback, detail); + + if (value === TRY_CATCH_ERROR) { + failed = true; + error = value.error; + value = null; + } else { + succeeded = true; + } + + if (promise === value) { + _reject(promise, cannotReturnOwn()); + return; + } + } else { + value = detail; + succeeded = true; + } + + if (promise._state !== PENDING) { + // noop + } else if (hasCallback && succeeded) { + _resolve(promise, value); + } else if (failed) { + _reject(promise, error); + } else if (settled === FULFILLED) { + fulfill(promise, value); + } else if (settled === REJECTED) { + _reject(promise, value); + } +} + +function initializePromise(promise, resolver) { + try { + resolver(function resolvePromise(value) { + _resolve(promise, value); + }, function rejectPromise(reason) { + _reject(promise, reason); + }); + } catch (e) { + _reject(promise, e); + } +} + +var id = 0; +function nextId() { + return id++; +} + +function makePromise(promise) { + promise[PROMISE_ID] = id++; + promise._state = undefined; + promise._result = undefined; + promise._subscribers = []; +} + +function Enumerator(Constructor, input) { + this._instanceConstructor = Constructor; + this.promise = new Constructor(noop); + + if (!this.promise[PROMISE_ID]) { + makePromise(this.promise); + } + + if (isArray(input)) { + this._input = input; + this.length = input.length; + this._remaining = input.length; + + this._result = new Array(this.length); + + if (this.length === 0) { + fulfill(this.promise, this._result); + } else { + this.length = this.length || 0; + this._enumerate(); + if (this._remaining === 0) { + fulfill(this.promise, this._result); + } + } + } else { + _reject(this.promise, validationError()); + } +} + +function validationError() { + return new Error('Array Methods must be provided an Array'); +}; + +Enumerator.prototype._enumerate = function () { + var length = this.length; + var _input = this._input; + + for (var i = 0; this._state === PENDING && i < length; i++) { + this._eachEntry(_input[i], i); + } +}; + +Enumerator.prototype._eachEntry = function (entry, i) { + var c = this._instanceConstructor; + var resolve$$ = c.resolve; + + if (resolve$$ === resolve) { + var _then = getThen(entry); + + if (_then === then && entry._state !== PENDING) { + this._settledAt(entry._state, i, entry._result); + } else if (typeof _then !== 'function') { + this._remaining--; + this._result[i] = entry; + } else if (c === Promise) { + var promise = new c(noop); + handleMaybeThenable(promise, entry, _then); + this._willSettleAt(promise, i); + } else { + this._willSettleAt(new c(function (resolve$$) { + return resolve$$(entry); + }), i); + } + } else { + this._willSettleAt(resolve$$(entry), i); + } +}; + +Enumerator.prototype._settledAt = function (state, i, value) { + var promise = this.promise; + + if (promise._state === PENDING) { + this._remaining--; + + if (state === REJECTED) { + _reject(promise, value); + } else { + this._result[i] = value; + } + } + + if (this._remaining === 0) { + fulfill(promise, this._result); + } +}; + +Enumerator.prototype._willSettleAt = function (promise, i) { + var enumerator = this; + + subscribe(promise, undefined, function (value) { + return enumerator._settledAt(FULFILLED, i, value); + }, function (reason) { + return enumerator._settledAt(REJECTED, i, reason); + }); +}; + +/** + `Promise.all` accepts an array of promises, and returns a new promise which + is fulfilled with an array of fulfillment values for the passed promises, or + rejected with the reason of the first passed promise to be rejected. It casts all + elements of the passed iterable to promises as it runs this algorithm. + + Example: + + ```javascript + let promise1 = resolve(1); + let promise2 = resolve(2); + let promise3 = resolve(3); + let promises = [ promise1, promise2, promise3 ]; + + Promise.all(promises).then(function(array){ + // The array here would be [ 1, 2, 3 ]; + }); + ``` + + If any of the `promises` given to `all` are rejected, the first promise + that is rejected will be given as an argument to the returned promises's + rejection handler. For example: + + Example: + + ```javascript + let promise1 = resolve(1); + let promise2 = reject(new Error("2")); + let promise3 = reject(new Error("3")); + let promises = [ promise1, promise2, promise3 ]; + + Promise.all(promises).then(function(array){ + // Code here never runs because there are rejected promises! + }, function(error) { + // error.message === "2" + }); + ``` + + @method all + @static + @param {Array} entries array of promises + @param {String} label optional string for labeling the promise. + Useful for tooling. + @return {Promise} promise that is fulfilled when all `promises` have been + fulfilled, or rejected if any of them become rejected. + @static +*/ +function all(entries) { + return new Enumerator(this, entries).promise; +} + +/** + `Promise.race` returns a new promise which is settled in the same way as the + first passed promise to settle. + + Example: + + ```javascript + let promise1 = new Promise(function(resolve, reject){ + setTimeout(function(){ + resolve('promise 1'); + }, 200); + }); + + let promise2 = new Promise(function(resolve, reject){ + setTimeout(function(){ + resolve('promise 2'); + }, 100); + }); + + Promise.race([promise1, promise2]).then(function(result){ + // result === 'promise 2' because it was resolved before promise1 + // was resolved. + }); + ``` + + `Promise.race` is deterministic in that only the state of the first + settled promise matters. For example, even if other promises given to the + `promises` array argument are resolved, but the first settled promise has + become rejected before the other promises became fulfilled, the returned + promise will become rejected: + + ```javascript + let promise1 = new Promise(function(resolve, reject){ + setTimeout(function(){ + resolve('promise 1'); + }, 200); + }); + + let promise2 = new Promise(function(resolve, reject){ + setTimeout(function(){ + reject(new Error('promise 2')); + }, 100); + }); + + Promise.race([promise1, promise2]).then(function(result){ + // Code here never runs + }, function(reason){ + // reason.message === 'promise 2' because promise 2 became rejected before + // promise 1 became fulfilled + }); + ``` + + An example real-world use case is implementing timeouts: + + ```javascript + Promise.race([ajax('foo.json'), timeout(5000)]) + ``` + + @method race + @static + @param {Array} promises array of promises to observe + Useful for tooling. + @return {Promise} a promise which settles in the same way as the first passed + promise to settle. +*/ +function race(entries) { + /*jshint validthis:true */ + var Constructor = this; + + if (!isArray(entries)) { + return new Constructor(function (_, reject) { + return reject(new TypeError('You must pass an array to race.')); + }); + } else { + return new Constructor(function (resolve, reject) { + var length = entries.length; + for (var i = 0; i < length; i++) { + Constructor.resolve(entries[i]).then(resolve, reject); + } + }); + } +} + +/** + `Promise.reject` returns a promise rejected with the passed `reason`. + It is shorthand for the following: + + ```javascript + let promise = new Promise(function(resolve, reject){ + reject(new Error('WHOOPS')); + }); + + promise.then(function(value){ + // Code here doesn't run because the promise is rejected! + }, function(reason){ + // reason.message === 'WHOOPS' + }); + ``` + + Instead of writing the above, your code now simply becomes the following: + + ```javascript + let promise = Promise.reject(new Error('WHOOPS')); + + promise.then(function(value){ + // Code here doesn't run because the promise is rejected! + }, function(reason){ + // reason.message === 'WHOOPS' + }); + ``` + + @method reject + @static + @param {Any} reason value that the returned promise will be rejected with. + Useful for tooling. + @return {Promise} a promise rejected with the given `reason`. +*/ +function reject(reason) { + /*jshint validthis:true */ + var Constructor = this; + var promise = new Constructor(noop); + _reject(promise, reason); + return promise; +} + +function needsResolver() { + throw new TypeError('You must pass a resolver function as the first argument to the promise constructor'); +} + +function needsNew() { + throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function."); +} + +/** + Promise objects represent the eventual result of an asynchronous operation. The + primary way of interacting with a promise is through its `then` method, which + registers callbacks to receive either a promise's eventual value or the reason + why the promise cannot be fulfilled. + + Terminology + ----------- + + - `promise` is an object or function with a `then` method whose behavior conforms to this specification. + - `thenable` is an object or function that defines a `then` method. + - `value` is any legal JavaScript value (including undefined, a thenable, or a promise). + - `exception` is a value that is thrown using the throw statement. + - `reason` is a value that indicates why a promise was rejected. + - `settled` the final resting state of a promise, fulfilled or rejected. + + A promise can be in one of three states: pending, fulfilled, or rejected. + + Promises that are fulfilled have a fulfillment value and are in the fulfilled + state. Promises that are rejected have a rejection reason and are in the + rejected state. A fulfillment value is never a thenable. + + Promises can also be said to *resolve* a value. If this value is also a + promise, then the original promise's settled state will match the value's + settled state. So a promise that *resolves* a promise that rejects will + itself reject, and a promise that *resolves* a promise that fulfills will + itself fulfill. + + + Basic Usage: + ------------ + + ```js + let promise = new Promise(function(resolve, reject) { + // on success + resolve(value); + + // on failure + reject(reason); + }); + + promise.then(function(value) { + // on fulfillment + }, function(reason) { + // on rejection + }); + ``` + + Advanced Usage: + --------------- + + Promises shine when abstracting away asynchronous interactions such as + `XMLHttpRequest`s. + + ```js + function getJSON(url) { + return new Promise(function(resolve, reject){ + let xhr = new XMLHttpRequest(); + + xhr.open('GET', url); + xhr.onreadystatechange = handler; + xhr.responseType = 'json'; + xhr.setRequestHeader('Accept', 'application/json'); + xhr.send(); + + function handler() { + if (this.readyState === this.DONE) { + if (this.status === 200) { + resolve(this.response); + } else { + reject(new Error('getJSON: `' + url + '` failed with status: [' + this.status + ']')); + } + } + }; + }); + } + + getJSON('/posts.json').then(function(json) { + // on fulfillment + }, function(reason) { + // on rejection + }); + ``` + + Unlike callbacks, promises are great composable primitives. + + ```js + Promise.all([ + getJSON('/posts'), + getJSON('/comments') + ]).then(function(values){ + values[0] // => postsJSON + values[1] // => commentsJSON + + return values; + }); + ``` + + @class Promise + @param {function} resolver + Useful for tooling. + @constructor +*/ +function Promise(resolver) { + this[PROMISE_ID] = nextId(); + this._result = this._state = undefined; + this._subscribers = []; + + if (noop !== resolver) { + typeof resolver !== 'function' && needsResolver(); + this instanceof Promise ? initializePromise(this, resolver) : needsNew(); + } +} + +Promise.all = all; +Promise.race = race; +Promise.resolve = resolve; +Promise.reject = reject; +Promise._setScheduler = setScheduler; +Promise._setAsap = setAsap; +Promise._asap = asap; + +Promise.prototype = { + constructor: Promise, + + /** + The primary way of interacting with a promise is through its `then` method, + which registers callbacks to receive either a promise's eventual value or the + reason why the promise cannot be fulfilled. + + ```js + findUser().then(function(user){ + // user is available + }, function(reason){ + // user is unavailable, and you are given the reason why + }); + ``` + + Chaining + -------- + + The return value of `then` is itself a promise. This second, 'downstream' + promise is resolved with the return value of the first promise's fulfillment + or rejection handler, or rejected if the handler throws an exception. + + ```js + findUser().then(function (user) { + return user.name; + }, function (reason) { + return 'default name'; + }).then(function (userName) { + // If `findUser` fulfilled, `userName` will be the user's name, otherwise it + // will be `'default name'` + }); + + findUser().then(function (user) { + throw new Error('Found user, but still unhappy'); + }, function (reason) { + throw new Error('`findUser` rejected and we're unhappy'); + }).then(function (value) { + // never reached + }, function (reason) { + // if `findUser` fulfilled, `reason` will be 'Found user, but still unhappy'. + // If `findUser` rejected, `reason` will be '`findUser` rejected and we're unhappy'. + }); + ``` + If the downstream promise does not specify a rejection handler, rejection reasons will be propagated further downstream. + + ```js + findUser().then(function (user) { + throw new PedagogicalException('Upstream error'); + }).then(function (value) { + // never reached + }).then(function (value) { + // never reached + }, function (reason) { + // The `PedgagocialException` is propagated all the way down to here + }); + ``` + + Assimilation + ------------ + + Sometimes the value you want to propagate to a downstream promise can only be + retrieved asynchronously. This can be achieved by returning a promise in the + fulfillment or rejection handler. The downstream promise will then be pending + until the returned promise is settled. This is called *assimilation*. + + ```js + findUser().then(function (user) { + return findCommentsByAuthor(user); + }).then(function (comments) { + // The user's comments are now available + }); + ``` + + If the assimliated promise rejects, then the downstream promise will also reject. + + ```js + findUser().then(function (user) { + return findCommentsByAuthor(user); + }).then(function (comments) { + // If `findCommentsByAuthor` fulfills, we'll have the value here + }, function (reason) { + // If `findCommentsByAuthor` rejects, we'll have the reason here + }); + ``` + + Simple Example + -------------- + + Synchronous Example + + ```javascript + let result; + + try { + result = findResult(); + // success + } catch(reason) { + // failure + } + ``` + + Errback Example + + ```js + findResult(function(result, err){ + if (err) { + // failure + } else { + // success + } + }); + ``` + + Promise Example; + + ```javascript + findResult().then(function(result){ + // success + }, function(reason){ + // failure + }); + ``` + + Advanced Example + -------------- + + Synchronous Example + + ```javascript + let author, books; + + try { + author = findAuthor(); + books = findBooksByAuthor(author); + // success + } catch(reason) { + // failure + } + ``` + + Errback Example + + ```js + + function foundBooks(books) { + + } + + function failure(reason) { + + } + + findAuthor(function(author, err){ + if (err) { + failure(err); + // failure + } else { + try { + findBoooksByAuthor(author, function(books, err) { + if (err) { + failure(err); + } else { + try { + foundBooks(books); + } catch(reason) { + failure(reason); + } + } + }); + } catch(error) { + failure(err); + } + // success + } + }); + ``` + + Promise Example; + + ```javascript + findAuthor(). + then(findBooksByAuthor). + then(function(books){ + // found books + }).catch(function(reason){ + // something went wrong + }); + ``` + + @method then + @param {Function} onFulfilled + @param {Function} onRejected + Useful for tooling. + @return {Promise} + */ + then: then, + + /** + `catch` is simply sugar for `then(undefined, onRejection)` which makes it the same + as the catch block of a try/catch statement. + + ```js + function findAuthor(){ + throw new Error('couldn't find that author'); + } + + // synchronous + try { + findAuthor(); + } catch(reason) { + // something went wrong + } + + // async with promises + findAuthor().catch(function(reason){ + // something went wrong + }); + ``` + + @method catch + @param {Function} onRejection + Useful for tooling. + @return {Promise} + */ + 'catch': function _catch(onRejection) { + return this.then(null, onRejection); + } +}; + +function polyfill() { + var local = undefined; + + if (typeof global !== 'undefined') { + local = global; + } else if (typeof self !== 'undefined') { + local = self; + } else { + try { + local = Function('return this')(); + } catch (e) { + throw new Error('polyfill failed because global object is unavailable in this environment'); + } + } + + var P = local.Promise; + + if (P) { + var promiseToString = null; + try { + promiseToString = Object.prototype.toString.call(P.resolve()); + } catch (e) { + // silently ignored + } + + if (promiseToString === '[object Promise]' && !P.cast) { + return; + } + } + + local.Promise = Promise; +} + +polyfill(); +// Strange compat.. +Promise.polyfill = polyfill; +Promise.Promise = Promise; + +return Promise; + +}))); + +}).call(this,_dereq_('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"_process":4}],3:[function(_dereq_,module,exports){ +'use strict'; + +var has = Object.prototype.hasOwnProperty; + +// +// We store our EE objects in a plain object whose properties are event names. +// If `Object.create(null)` is not supported we prefix the event names with a +// `~` to make sure that the built-in object properties are not overridden or +// used as an attack vector. +// We also assume that `Object.create(null)` is available when the event name +// is an ES6 Symbol. +// +var prefix = typeof Object.create !== 'function' ? '~' : false; + +/** + * Representation of a single EventEmitter function. + * + * @param {Function} fn Event handler to be called. + * @param {Mixed} context Context for function execution. + * @param {Boolean} [once=false] Only emit once + * @api private + */ +function EE(fn, context, once) { + this.fn = fn; + this.context = context; + this.once = once || false; +} + +/** + * Minimal EventEmitter interface that is molded against the Node.js + * EventEmitter interface. + * + * @constructor + * @api public + */ +function EventEmitter() { /* Nothing to set */ } + +/** + * Hold the assigned EventEmitters by name. + * + * @type {Object} + * @private + */ +EventEmitter.prototype._events = undefined; + +/** + * Return an array listing the events for which the emitter has registered + * listeners. + * + * @returns {Array} + * @api public + */ +EventEmitter.prototype.eventNames = function eventNames() { + var events = this._events + , names = [] + , name; + + if (!events) return names; + + for (name in events) { + if (has.call(events, name)) names.push(prefix ? name.slice(1) : name); + } + + if (Object.getOwnPropertySymbols) { + return names.concat(Object.getOwnPropertySymbols(events)); + } + + return names; +}; + +/** + * Return a list of assigned event listeners. + * + * @param {String} event The events that should be listed. + * @param {Boolean} exists We only need to know if there are listeners. + * @returns {Array|Boolean} + * @api public + */ +EventEmitter.prototype.listeners = function listeners(event, exists) { + var evt = prefix ? prefix + event : event + , available = this._events && this._events[evt]; + + if (exists) return !!available; + if (!available) return []; + if (available.fn) return [available.fn]; + + for (var i = 0, l = available.length, ee = new Array(l); i < l; i++) { + ee[i] = available[i].fn; + } + + return ee; +}; + +/** + * Emit an event to all registered event listeners. + * + * @param {String} event The name of the event. + * @returns {Boolean} Indication if we've emitted an event. + * @api public + */ +EventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) { + var evt = prefix ? prefix + event : event; + + if (!this._events || !this._events[evt]) return false; + + var listeners = this._events[evt] + , len = arguments.length + , args + , i; + + if ('function' === typeof listeners.fn) { + if (listeners.once) this.removeListener(event, listeners.fn, undefined, true); + + switch (len) { + case 1: return listeners.fn.call(listeners.context), true; + case 2: return listeners.fn.call(listeners.context, a1), true; + case 3: return listeners.fn.call(listeners.context, a1, a2), true; + case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true; + case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true; + case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true; + } + + for (i = 1, args = new Array(len -1); i < len; i++) { + args[i - 1] = arguments[i]; + } + + listeners.fn.apply(listeners.context, args); + } else { + var length = listeners.length + , j; + + for (i = 0; i < length; i++) { + if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true); + + switch (len) { + case 1: listeners[i].fn.call(listeners[i].context); break; + case 2: listeners[i].fn.call(listeners[i].context, a1); break; + case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break; + default: + if (!args) for (j = 1, args = new Array(len -1); j < len; j++) { + args[j - 1] = arguments[j]; + } + + listeners[i].fn.apply(listeners[i].context, args); + } + } + } + + return true; +}; + +/** + * Register a new EventListener for the given event. + * + * @param {String} event Name of the event. + * @param {Function} fn Callback function. + * @param {Mixed} [context=this] The context of the function. + * @api public + */ +EventEmitter.prototype.on = function on(event, fn, context) { + var listener = new EE(fn, context || this) + , evt = prefix ? prefix + event : event; + + if (!this._events) this._events = prefix ? {} : Object.create(null); + if (!this._events[evt]) this._events[evt] = listener; + else { + if (!this._events[evt].fn) this._events[evt].push(listener); + else this._events[evt] = [ + this._events[evt], listener + ]; + } + + return this; +}; + +/** + * Add an EventListener that's only called once. + * + * @param {String} event Name of the event. + * @param {Function} fn Callback function. + * @param {Mixed} [context=this] The context of the function. + * @api public + */ +EventEmitter.prototype.once = function once(event, fn, context) { + var listener = new EE(fn, context || this, true) + , evt = prefix ? prefix + event : event; + + if (!this._events) this._events = prefix ? {} : Object.create(null); + if (!this._events[evt]) this._events[evt] = listener; + else { + if (!this._events[evt].fn) this._events[evt].push(listener); + else this._events[evt] = [ + this._events[evt], listener + ]; + } + + return this; +}; + +/** + * Remove event listeners. + * + * @param {String} event The event we want to remove. + * @param {Function} fn The listener that we need to find. + * @param {Mixed} context Only remove listeners matching this context. + * @param {Boolean} once Only remove once listeners. + * @api public + */ +EventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) { + var evt = prefix ? prefix + event : event; + + if (!this._events || !this._events[evt]) return this; + + var listeners = this._events[evt] + , events = []; + + if (fn) { + if (listeners.fn) { + if ( + listeners.fn !== fn + || (once && !listeners.once) + || (context && listeners.context !== context) + ) { + events.push(listeners); + } + } else { + for (var i = 0, length = listeners.length; i < length; i++) { + if ( + listeners[i].fn !== fn + || (once && !listeners[i].once) + || (context && listeners[i].context !== context) + ) { + events.push(listeners[i]); + } + } + } + } + + // + // Reset the array, or remove it completely if we have no more listeners. + // + if (events.length) { + this._events[evt] = events.length === 1 ? events[0] : events; + } else { + delete this._events[evt]; + } + + return this; +}; + +/** + * Remove all listeners or only the listeners for the specified event. + * + * @param {String} event The event want to remove all listeners for. + * @api public + */ +EventEmitter.prototype.removeAllListeners = function removeAllListeners(event) { + if (!this._events) return this; + + if (event) delete this._events[prefix ? prefix + event : event]; + else this._events = prefix ? {} : Object.create(null); + + return this; +}; + +// +// Alias methods names because people roll like that. +// +EventEmitter.prototype.off = EventEmitter.prototype.removeListener; +EventEmitter.prototype.addListener = EventEmitter.prototype.on; + +// +// This function doesn't apply anymore. +// +EventEmitter.prototype.setMaxListeners = function setMaxListeners() { + return this; +}; + +// +// Expose the prefix. +// +EventEmitter.prefixed = prefix; + +// +// Expose the module. +// +if ('undefined' !== typeof module) { + module.exports = EventEmitter; +} + +},{}],4:[function(_dereq_,module,exports){ +// shim for using process in browser +var process = module.exports = {}; + +// cached from whatever global is present so that test runners that stub it +// don't break things. But we need to wrap it in a try catch in case it is +// wrapped in strict mode code which doesn't define any globals. It's inside a +// function because try/catches deoptimize in certain engines. + +var cachedSetTimeout; +var cachedClearTimeout; + +function defaultSetTimout() { + throw new Error('setTimeout has not been defined'); +} +function defaultClearTimeout () { + throw new Error('clearTimeout has not been defined'); +} +(function () { + try { + if (typeof setTimeout === 'function') { + cachedSetTimeout = setTimeout; + } else { + cachedSetTimeout = defaultSetTimout; + } + } catch (e) { + cachedSetTimeout = defaultSetTimout; + } + try { + if (typeof clearTimeout === 'function') { + cachedClearTimeout = clearTimeout; + } else { + cachedClearTimeout = defaultClearTimeout; + } + } catch (e) { + cachedClearTimeout = defaultClearTimeout; + } +} ()) +function runTimeout(fun) { + if (cachedSetTimeout === setTimeout) { + //normal enviroments in sane situations + return setTimeout(fun, 0); + } + // if setTimeout wasn't available but was latter defined + if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { + cachedSetTimeout = setTimeout; + return setTimeout(fun, 0); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedSetTimeout(fun, 0); + } catch(e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedSetTimeout.call(null, fun, 0); + } catch(e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error + return cachedSetTimeout.call(this, fun, 0); + } + } + + +} +function runClearTimeout(marker) { + if (cachedClearTimeout === clearTimeout) { + //normal enviroments in sane situations + return clearTimeout(marker); + } + // if clearTimeout wasn't available but was latter defined + if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { + cachedClearTimeout = clearTimeout; + return clearTimeout(marker); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedClearTimeout(marker); + } catch (e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedClearTimeout.call(null, marker); + } catch (e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. + // Some versions of I.E. have different rules for clearTimeout vs setTimeout + return cachedClearTimeout.call(this, marker); + } + } + + + +} +var queue = []; +var draining = false; +var currentQueue; +var queueIndex = -1; + +function cleanUpNextTick() { + if (!draining || !currentQueue) { + return; + } + draining = false; + if (currentQueue.length) { + queue = currentQueue.concat(queue); + } else { + queueIndex = -1; + } + if (queue.length) { + drainQueue(); + } +} + +function drainQueue() { + if (draining) { + return; + } + var timeout = runTimeout(cleanUpNextTick); + draining = true; + + var len = queue.length; + while(len) { + currentQueue = queue; + queue = []; + while (++queueIndex < len) { + if (currentQueue) { + currentQueue[queueIndex].run(); + } + } + queueIndex = -1; + len = queue.length; + } + currentQueue = null; + draining = false; + runClearTimeout(timeout); +} + +process.nextTick = function (fun) { + var args = new Array(arguments.length - 1); + if (arguments.length > 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } +}; + +// v8 likes predictible objects +function Item(fun, array) { + this.fun = fun; + this.array = array; +} +Item.prototype.run = function () { + this.fun.apply(null, this.array); +}; +process.title = 'browser'; +process.browser = true; +process.env = {}; +process.argv = []; +process.version = ''; // empty string to avoid regexp issues +process.versions = {}; + +function noop() {} + +process.on = noop; +process.addListener = noop; +process.once = noop; +process.off = noop; +process.removeListener = noop; +process.removeAllListeners = noop; +process.emit = noop; +process.prependListener = noop; +process.prependOnceListener = noop; + +process.listeners = function (name) { return [] } + +process.binding = function (name) { + throw new Error('process.binding is not supported'); +}; + +process.cwd = function () { return '/' }; +process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); +}; +process.umask = function() { return 0; }; + +},{}],5:[function(_dereq_,module,exports){ +(function(){var g={}; +(function(window){var k,aa=this;aa.we=!0;function n(a,b){var c=a.split("."),d=aa;c[0]in d||!d.execScript||d.execScript("var "+c[0]);for(var e;c.length&&(e=c.shift());)c.length||void 0===b?d[e]?d=d[e]:d=d[e]={}:d[e]=b}function ba(a){var 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function(e) { + // If we leave full-screen, go back to normal mode. + if (document.webkitFullscreenElement === null || + document.mozFullScreenElement === null) { + this.setMode_(Modes.NORMAL); + } +}; + +module.exports = WebVRManager; + +},{"./button-manager.js":1,"./emitter.js":2,"./modes.js":3,"./util.js":4}]},{},[5])(5) +}); +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{}],8:[function(_dereq_,module,exports){ +module.exports={ + "_args": [ + [ + "webvr-polyfill@^0.9.38", + "/Users/lincolnfrog/daydream/vrview" + ] + ], + "_from": "webvr-polyfill@>=0.9.38 <0.10.0", + "_id": "webvr-polyfill@0.9.40", + "_inCache": true, + "_installable": true, + "_location": "/webvr-polyfill", + "_nodeVersion": "8.6.0", + "_npmOperationalInternal": { + "host": "s3://npm-registry-packages", + "tmp": "tmp/webvr-polyfill-0.9.40.tgz_1507657755590_0.00047161197289824486" + }, + "_npmUser": { + "email": "jsantell@gmail.com", + "name": "jsantell" + }, + "_npmVersion": "5.3.0", + "_phantomChildren": {}, + "_requested": { + "name": "webvr-polyfill", + "raw": "webvr-polyfill@^0.9.38", + "rawSpec": "^0.9.38", + "scope": null, + "spec": ">=0.9.38 <0.10.0", + "type": "range" + }, + "_requiredBy": [ + "/", + "/webvr-boilerplate" + ], + "_resolved": "https://registry.npmjs.org/webvr-polyfill/-/webvr-polyfill-0.9.40.tgz", + "_shasum": "2cfa0ec0e0cc6ba7238c73a09cba4952fff59a63", + "_shrinkwrap": null, + "_spec": "webvr-polyfill@^0.9.38", + "_where": "/Users/lincolnfrog/daydream/vrview", + "authors": [ + "Boris Smus ", + "Brandon Jones ", + "Jordan Santell " + ], + "bugs": { + "url": "https://github.com/googlevr/webvr-polyfill/issues" + }, + "dependencies": {}, + "description": "Use WebVR today, on mobile or desktop, without requiring a special browser build.", + "devDependencies": { + "chai": "^3.5.0", + "jsdom": "^9.12.0", + "mocha": "^3.2.0", + "semver": "^5.3.0", + "webpack": "^2.6.1", + "webpack-dev-server": "2.7.1" + }, + "directories": {}, + "dist": { + "integrity": "sha512-m7jhJHjFcUYPyPSNeGmly7a2h/cP7bARz0OZMoUn5SueVXEKeZ4P7bzbAUDBDvvqCsa5gHgM3PFIhYe13bqaWw==", + "shasum": "2cfa0ec0e0cc6ba7238c73a09cba4952fff59a63", + "tarball": "https://registry.npmjs.org/webvr-polyfill/-/webvr-polyfill-0.9.40.tgz" + }, + "gitHead": "45828ffdb8c3e0f9bb90296d6039d3cc7909ba8e", + "homepage": "https://github.com/googlevr/webvr-polyfill", + "keywords": [ + "vr", + "webvr" + ], + "license": "Apache-2.0", + "main": "src/node-entry", + "maintainers": [ + { + "email": "jsantell@gmail.com", + "name": "jsantell" + }, + { + "email": "tojiro@gmail.com", + "name": "toji" + }, + { + "email": "boris@smus.com", + "name": "smus" + } + ], + "name": "webvr-polyfill", + "optionalDependencies": {}, + "readme": "ERROR: No README data found!", + "repository": { + "type": "git", + "url": "git+https://github.com/googlevr/webvr-polyfill.git" + }, + "scripts": { + "build": "webpack", + "start": "npm run watch", + "test": "mocha", + "watch": "webpack-dev-server" + }, + "version": "0.9.40" +} + +},{}],9:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Util = _dereq_('./util.js'); +var WakeLock = _dereq_('./wakelock.js'); + +// Start at a higher number to reduce chance of conflict. +var nextDisplayId = 1000; +var hasShowDeprecationWarning = false; + +var defaultLeftBounds = [0, 0, 0.5, 1]; +var defaultRightBounds = [0.5, 0, 0.5, 1]; + +/** + * The base class for all VR frame data. + */ + +function VRFrameData() { + this.leftProjectionMatrix = new Float32Array(16); + this.leftViewMatrix = new Float32Array(16); + this.rightProjectionMatrix = new Float32Array(16); + this.rightViewMatrix = new Float32Array(16); + this.pose = null; +}; + +/** + * The base class for all VR displays. + */ +function VRDisplay() { + this.isPolyfilled = true; + this.displayId = nextDisplayId++; + this.displayName = 'webvr-polyfill displayName'; + + this.depthNear = 0.01; + this.depthFar = 10000.0; + + this.isConnected = true; + this.isPresenting = false; + this.capabilities = { + hasPosition: false, + hasOrientation: false, + hasExternalDisplay: false, + canPresent: false, + maxLayers: 1 + }; + this.stageParameters = null; + + // "Private" members. + this.waitingForPresent_ = false; + this.layer_ = null; + + this.fullscreenElement_ = null; + this.fullscreenWrapper_ = null; + this.fullscreenElementCachedStyle_ = null; + + this.fullscreenEventTarget_ = null; + this.fullscreenChangeHandler_ = null; + this.fullscreenErrorHandler_ = null; + + this.wakelock_ = new WakeLock(); +} + +VRDisplay.prototype.getFrameData = function(frameData) { + // TODO: Technically this should retain it's value for the duration of a frame + // but I doubt that's practical to do in javascript. + return Util.frameDataFromPose(frameData, this.getPose(), this); +}; + +VRDisplay.prototype.getPose = function() { + // TODO: Technically this should retain it's value for the duration of a frame + // but I doubt that's practical to do in javascript. + return this.getImmediatePose(); +}; + +VRDisplay.prototype.requestAnimationFrame = function(callback) { + return window.requestAnimationFrame(callback); +}; + +VRDisplay.prototype.cancelAnimationFrame = function(id) { + return window.cancelAnimationFrame(id); +}; + +VRDisplay.prototype.wrapForFullscreen = function(element) { + // Don't wrap in iOS. + if (Util.isIOS()) { + return element; + } + if (!this.fullscreenWrapper_) { + this.fullscreenWrapper_ = document.createElement('div'); + var cssProperties = [ + 'height: ' + Math.min(screen.height, screen.width) + 'px !important', + 'top: 0 !important', + 'left: 0 !important', + 'right: 0 !important', + 'border: 0', + 'margin: 0', + 'padding: 0', + 'z-index: 999999 !important', + 'position: fixed', + ]; + this.fullscreenWrapper_.setAttribute('style', cssProperties.join('; ') + ';'); + this.fullscreenWrapper_.classList.add('webvr-polyfill-fullscreen-wrapper'); + } + + if (this.fullscreenElement_ == element) { + return this.fullscreenWrapper_; + } + + // Remove any previously applied wrappers + this.removeFullscreenWrapper(); + + this.fullscreenElement_ = element; + var parent = this.fullscreenElement_.parentElement; + parent.insertBefore(this.fullscreenWrapper_, this.fullscreenElement_); + parent.removeChild(this.fullscreenElement_); + this.fullscreenWrapper_.insertBefore(this.fullscreenElement_, this.fullscreenWrapper_.firstChild); + this.fullscreenElementCachedStyle_ = this.fullscreenElement_.getAttribute('style'); + + var self = this; + function applyFullscreenElementStyle() { + if (!self.fullscreenElement_) { + return; + } + + var cssProperties = [ + 'position: absolute', + 'top: 0', + 'left: 0', + 'width: ' + Math.max(screen.width, screen.height) + 'px', + 'height: ' + Math.min(screen.height, screen.width) + 'px', + 'border: 0', + 'margin: 0', + 'padding: 0', + ]; + self.fullscreenElement_.setAttribute('style', cssProperties.join('; ') + ';'); + } + + applyFullscreenElementStyle(); + + return this.fullscreenWrapper_; +}; + +VRDisplay.prototype.removeFullscreenWrapper = function() { + if (!this.fullscreenElement_) { + return; + } + + var element = this.fullscreenElement_; + if (this.fullscreenElementCachedStyle_) { + element.setAttribute('style', this.fullscreenElementCachedStyle_); + } else { + element.removeAttribute('style'); + } + this.fullscreenElement_ = null; + this.fullscreenElementCachedStyle_ = null; + + var parent = this.fullscreenWrapper_.parentElement; + this.fullscreenWrapper_.removeChild(element); + parent.insertBefore(element, this.fullscreenWrapper_); + parent.removeChild(this.fullscreenWrapper_); + + return element; +}; + +VRDisplay.prototype.requestPresent = function(layers) { + var wasPresenting = this.isPresenting; + var self = this; + + if (!(layers instanceof Array)) { + if (!hasShowDeprecationWarning) { + console.warn("Using a deprecated form of requestPresent. Should pass in an array of VRLayers."); + hasShowDeprecationWarning = true; + } + layers = [layers]; + } + + return new Promise(function(resolve, reject) { + if (!self.capabilities.canPresent) { + reject(new Error('VRDisplay is not capable of presenting.')); + return; + } + + if (layers.length == 0 || layers.length > self.capabilities.maxLayers) { + reject(new Error('Invalid number of layers.')); + return; + } + + var incomingLayer = layers[0]; + if (!incomingLayer.source) { + /* + todo: figure out the correct behavior if the source is not provided. + see https://github.com/w3c/webvr/issues/58 + */ + resolve(); + return; + } + + var leftBounds = incomingLayer.leftBounds || defaultLeftBounds; + var rightBounds = incomingLayer.rightBounds || defaultRightBounds; + if (wasPresenting) { + // Already presenting, just changing configuration + var layer = self.layer_; + if (layer.source !== incomingLayer.source) { + layer.source = incomingLayer.source; + } + + for (var i = 0; i < 4; i++) { + layer.leftBounds[i] = leftBounds[i]; + layer.rightBounds[i] = rightBounds[i]; + } + + resolve(); + return; + } + + // Was not already presenting. + self.layer_ = { + predistorted: incomingLayer.predistorted, + source: incomingLayer.source, + leftBounds: leftBounds.slice(0), + rightBounds: rightBounds.slice(0) + }; + + self.waitingForPresent_ = false; + if (self.layer_ && self.layer_.source) { + var fullscreenElement = self.wrapForFullscreen(self.layer_.source); + + var onFullscreenChange = function() { + var actualFullscreenElement = Util.getFullscreenElement(); + + self.isPresenting = (fullscreenElement === actualFullscreenElement); + if (self.isPresenting) { + if (screen.orientation && screen.orientation.lock) { + screen.orientation.lock('landscape-primary').catch(function(error){ + console.error('screen.orientation.lock() failed due to', error.message) + }); + } + self.waitingForPresent_ = false; + self.beginPresent_(); + resolve(); + } else { + if (screen.orientation && screen.orientation.unlock) { + screen.orientation.unlock(); + } + self.removeFullscreenWrapper(); + self.wakelock_.release(); + self.endPresent_(); + self.removeFullscreenListeners_(); + } + self.fireVRDisplayPresentChange_(); + } + var onFullscreenError = function() { + if (!self.waitingForPresent_) { + return; + } + + self.removeFullscreenWrapper(); + self.removeFullscreenListeners_(); + + self.wakelock_.release(); + self.waitingForPresent_ = false; + self.isPresenting = false; + + reject(new Error('Unable to present.')); + } + + self.addFullscreenListeners_(fullscreenElement, + onFullscreenChange, onFullscreenError); + + if (Util.requestFullscreen(fullscreenElement)) { + self.wakelock_.request(); + self.waitingForPresent_ = true; + } else if (Util.isIOS() || Util.isWebViewAndroid()) { + // *sigh* Just fake it. + self.wakelock_.request(); + self.isPresenting = true; + self.beginPresent_(); + self.fireVRDisplayPresentChange_(); + resolve(); + } + } + + if (!self.waitingForPresent_ && !Util.isIOS()) { + Util.exitFullscreen(); + reject(new Error('Unable to present.')); + } + }); +}; + +VRDisplay.prototype.exitPresent = function() { + var wasPresenting = this.isPresenting; + var self = this; + this.isPresenting = false; + this.layer_ = null; + this.wakelock_.release(); + + return new Promise(function(resolve, reject) { + if (wasPresenting) { + if (!Util.exitFullscreen() && Util.isIOS()) { + self.endPresent_(); + self.fireVRDisplayPresentChange_(); + } + + if (Util.isWebViewAndroid()) { + self.removeFullscreenWrapper(); + self.removeFullscreenListeners_(); + self.endPresent_(); + self.fireVRDisplayPresentChange_(); + } + + resolve(); + } else { + reject(new Error('Was not presenting to VRDisplay.')); + } + }); +}; + +VRDisplay.prototype.getLayers = function() { + if (this.layer_) { + return [this.layer_]; + } + return []; +}; + +VRDisplay.prototype.fireVRDisplayPresentChange_ = function() { + // Important: unfortunately we cannot have full spec compliance here. + // CustomEvent custom fields all go under e.detail (so the VRDisplay ends up + // being e.detail.display, instead of e.display as per WebVR spec). + var event = new CustomEvent('vrdisplaypresentchange', {detail: {display: this}}); + window.dispatchEvent(event); +}; + +VRDisplay.prototype.fireVRDisplayConnect_ = function() { + // Important: unfortunately we cannot have full spec compliance here. + // CustomEvent custom fields all go under e.detail (so the VRDisplay ends up + // being e.detail.display, instead of e.display as per WebVR spec). + var event = new CustomEvent('vrdisplayconnect', {detail: {display: this}}); + window.dispatchEvent(event); +}; + +VRDisplay.prototype.addFullscreenListeners_ = function(element, changeHandler, errorHandler) { + this.removeFullscreenListeners_(); + + this.fullscreenEventTarget_ = element; + this.fullscreenChangeHandler_ = changeHandler; + this.fullscreenErrorHandler_ = errorHandler; + + if (changeHandler) { + if (document.fullscreenEnabled) { + element.addEventListener('fullscreenchange', changeHandler, false); + } else if (document.webkitFullscreenEnabled) { + element.addEventListener('webkitfullscreenchange', changeHandler, false); + } else if (document.mozFullScreenEnabled) { + document.addEventListener('mozfullscreenchange', changeHandler, false); + } else if (document.msFullscreenEnabled) { + element.addEventListener('msfullscreenchange', changeHandler, false); + } + } + + if (errorHandler) { + if (document.fullscreenEnabled) { + element.addEventListener('fullscreenerror', errorHandler, false); + } else if (document.webkitFullscreenEnabled) { + element.addEventListener('webkitfullscreenerror', errorHandler, false); + } else if (document.mozFullScreenEnabled) { + document.addEventListener('mozfullscreenerror', errorHandler, false); + } else if (document.msFullscreenEnabled) { + element.addEventListener('msfullscreenerror', errorHandler, false); + } + } +}; + +VRDisplay.prototype.removeFullscreenListeners_ = function() { + if (!this.fullscreenEventTarget_) + return; + + var element = this.fullscreenEventTarget_; + + if (this.fullscreenChangeHandler_) { + var changeHandler = this.fullscreenChangeHandler_; + element.removeEventListener('fullscreenchange', changeHandler, false); + element.removeEventListener('webkitfullscreenchange', changeHandler, false); + document.removeEventListener('mozfullscreenchange', changeHandler, false); + element.removeEventListener('msfullscreenchange', changeHandler, false); + } + + if (this.fullscreenErrorHandler_) { + var errorHandler = this.fullscreenErrorHandler_; + element.removeEventListener('fullscreenerror', errorHandler, false); + element.removeEventListener('webkitfullscreenerror', errorHandler, false); + document.removeEventListener('mozfullscreenerror', errorHandler, false); + element.removeEventListener('msfullscreenerror', errorHandler, false); + } + + this.fullscreenEventTarget_ = null; + this.fullscreenChangeHandler_ = null; + this.fullscreenErrorHandler_ = null; +}; + +VRDisplay.prototype.beginPresent_ = function() { + // Override to add custom behavior when presentation begins. +}; + +VRDisplay.prototype.endPresent_ = function() { + // Override to add custom behavior when presentation ends. +}; + +VRDisplay.prototype.submitFrame = function(pose) { + // Override to add custom behavior for frame submission. +}; + +VRDisplay.prototype.getEyeParameters = function(whichEye) { + // Override to return accurate eye parameters if canPresent is true. + return null; +}; + +/* + * Deprecated classes + */ + +/** + * The base class for all VR devices. (Deprecated) + */ +function VRDevice() { + this.isPolyfilled = true; + this.hardwareUnitId = 'webvr-polyfill hardwareUnitId'; + this.deviceId = 'webvr-polyfill deviceId'; + this.deviceName = 'webvr-polyfill deviceName'; +} + +/** + * The base class for all VR HMD devices. (Deprecated) + */ +function HMDVRDevice() { +} +HMDVRDevice.prototype = new VRDevice(); + +/** + * The base class for all VR position sensor devices. (Deprecated) + */ +function PositionSensorVRDevice() { +} +PositionSensorVRDevice.prototype = new VRDevice(); + +module.exports.VRFrameData = VRFrameData; +module.exports.VRDisplay = VRDisplay; +module.exports.VRDevice = VRDevice; +module.exports.HMDVRDevice = HMDVRDevice; +module.exports.PositionSensorVRDevice = PositionSensorVRDevice; + +},{"./util.js":29,"./wakelock.js":31}],10:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var CardboardUI = _dereq_('./cardboard-ui.js'); +var Util = _dereq_('./util.js'); +var WGLUPreserveGLState = _dereq_('./deps/wglu-preserve-state.js'); + +var distortionVS = [ + 'attribute vec2 position;', + 'attribute vec3 texCoord;', + + 'varying vec2 vTexCoord;', + + 'uniform vec4 viewportOffsetScale[2];', + + 'void main() {', + ' vec4 viewport = viewportOffsetScale[int(texCoord.z)];', + ' vTexCoord = (texCoord.xy * viewport.zw) + viewport.xy;', + ' gl_Position = vec4( position, 1.0, 1.0 );', + '}', +].join('\n'); + +var distortionFS = [ + 'precision mediump float;', + 'uniform sampler2D diffuse;', + + 'varying vec2 vTexCoord;', + + 'void main() {', + ' gl_FragColor = texture2D(diffuse, vTexCoord);', + '}', +].join('\n'); + +/** + * A mesh-based distorter. + */ +function CardboardDistorter(gl) { + this.gl = gl; + this.ctxAttribs = gl.getContextAttributes(); + + this.meshWidth = 20; + this.meshHeight = 20; + + this.bufferScale = window.WebVRConfig.BUFFER_SCALE; + + this.bufferWidth = gl.drawingBufferWidth; + this.bufferHeight = gl.drawingBufferHeight; + + // Patching support + this.realBindFramebuffer = gl.bindFramebuffer; + this.realEnable = gl.enable; + this.realDisable = gl.disable; + this.realColorMask = gl.colorMask; + this.realClearColor = gl.clearColor; + this.realViewport = gl.viewport; + + if (!Util.isIOS()) { + this.realCanvasWidth = Object.getOwnPropertyDescriptor(gl.canvas.__proto__, 'width'); + this.realCanvasHeight = Object.getOwnPropertyDescriptor(gl.canvas.__proto__, 'height'); + } + + this.isPatched = false; + + // State tracking + this.lastBoundFramebuffer = null; + this.cullFace = false; + this.depthTest = false; + this.blend = false; + this.scissorTest = false; + this.stencilTest = false; + this.viewport = [0, 0, 0, 0]; + this.colorMask = [true, true, true, true]; + this.clearColor = [0, 0, 0, 0]; + + this.attribs = { + position: 0, + texCoord: 1 + }; + this.program = Util.linkProgram(gl, distortionVS, distortionFS, this.attribs); + this.uniforms = Util.getProgramUniforms(gl, this.program); + + this.viewportOffsetScale = new Float32Array(8); + this.setTextureBounds(); + + this.vertexBuffer = gl.createBuffer(); + this.indexBuffer = gl.createBuffer(); + this.indexCount = 0; + + this.renderTarget = gl.createTexture(); + this.framebuffer = gl.createFramebuffer(); + + this.depthStencilBuffer = null; + this.depthBuffer = null; + this.stencilBuffer = null; + + if (this.ctxAttribs.depth && this.ctxAttribs.stencil) { + this.depthStencilBuffer = gl.createRenderbuffer(); + } else if (this.ctxAttribs.depth) { + this.depthBuffer = gl.createRenderbuffer(); + } else if (this.ctxAttribs.stencil) { + this.stencilBuffer = gl.createRenderbuffer(); + } + + this.patch(); + + this.onResize(); + + if (!window.WebVRConfig.CARDBOARD_UI_DISABLED) { + this.cardboardUI = new CardboardUI(gl); + } +}; + +/** + * Tears down all the resources created by the distorter and removes any + * patches. + */ +CardboardDistorter.prototype.destroy = function() { + var gl = this.gl; + + this.unpatch(); + + gl.deleteProgram(this.program); + gl.deleteBuffer(this.vertexBuffer); + gl.deleteBuffer(this.indexBuffer); + gl.deleteTexture(this.renderTarget); + gl.deleteFramebuffer(this.framebuffer); + if (this.depthStencilBuffer) { + gl.deleteRenderbuffer(this.depthStencilBuffer); + } + if (this.depthBuffer) { + gl.deleteRenderbuffer(this.depthBuffer); + } + if (this.stencilBuffer) { + gl.deleteRenderbuffer(this.stencilBuffer); + } + + if (this.cardboardUI) { + this.cardboardUI.destroy(); + } +}; + + +/** + * Resizes the backbuffer to match the canvas width and height. + */ +CardboardDistorter.prototype.onResize = function() { + var gl = this.gl; + var self = this; + + var glState = [ + gl.RENDERBUFFER_BINDING, + gl.TEXTURE_BINDING_2D, gl.TEXTURE0 + ]; + + WGLUPreserveGLState(gl, glState, function(gl) { + // Bind real backbuffer and clear it once. We don't need to clear it again + // after that because we're overwriting the same area every frame. + self.realBindFramebuffer.call(gl, gl.FRAMEBUFFER, null); + + // Put things in a good state + if (self.scissorTest) { self.realDisable.call(gl, gl.SCISSOR_TEST); } + self.realColorMask.call(gl, true, true, true, true); + self.realViewport.call(gl, 0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + self.realClearColor.call(gl, 0, 0, 0, 1); + + gl.clear(gl.COLOR_BUFFER_BIT); + + // Now bind and resize the fake backbuffer + self.realBindFramebuffer.call(gl, gl.FRAMEBUFFER, self.framebuffer); + + gl.bindTexture(gl.TEXTURE_2D, self.renderTarget); + gl.texImage2D(gl.TEXTURE_2D, 0, self.ctxAttribs.alpha ? gl.RGBA : gl.RGB, + self.bufferWidth, self.bufferHeight, 0, + self.ctxAttribs.alpha ? gl.RGBA : gl.RGB, gl.UNSIGNED_BYTE, null); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, self.renderTarget, 0); + + if (self.ctxAttribs.depth && self.ctxAttribs.stencil) { + gl.bindRenderbuffer(gl.RENDERBUFFER, self.depthStencilBuffer); + gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_STENCIL, + self.bufferWidth, self.bufferHeight); + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_STENCIL_ATTACHMENT, + gl.RENDERBUFFER, self.depthStencilBuffer); + } else if (self.ctxAttribs.depth) { + gl.bindRenderbuffer(gl.RENDERBUFFER, self.depthBuffer); + gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, + self.bufferWidth, self.bufferHeight); + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, + gl.RENDERBUFFER, self.depthBuffer); + } else if (self.ctxAttribs.stencil) { + gl.bindRenderbuffer(gl.RENDERBUFFER, self.stencilBuffer); + gl.renderbufferStorage(gl.RENDERBUFFER, gl.STENCIL_INDEX8, + self.bufferWidth, self.bufferHeight); + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.STENCIL_ATTACHMENT, + gl.RENDERBUFFER, self.stencilBuffer); + } + + if (!gl.checkFramebufferStatus(gl.FRAMEBUFFER) === gl.FRAMEBUFFER_COMPLETE) { + console.error('Framebuffer incomplete!'); + } + + self.realBindFramebuffer.call(gl, gl.FRAMEBUFFER, self.lastBoundFramebuffer); + + if (self.scissorTest) { self.realEnable.call(gl, gl.SCISSOR_TEST); } + + self.realColorMask.apply(gl, self.colorMask); + self.realViewport.apply(gl, self.viewport); + self.realClearColor.apply(gl, self.clearColor); + }); + + if (this.cardboardUI) { + this.cardboardUI.onResize(); + } +}; + +CardboardDistorter.prototype.patch = function() { + if (this.isPatched) { + return; + } + + var self = this; + var canvas = this.gl.canvas; + var gl = this.gl; + + if (!Util.isIOS()) { + canvas.width = Util.getScreenWidth() * this.bufferScale; + canvas.height = Util.getScreenHeight() * this.bufferScale; + + Object.defineProperty(canvas, 'width', { + configurable: true, + enumerable: true, + get: function() { + return self.bufferWidth; + }, + set: function(value) { + self.bufferWidth = value; + self.realCanvasWidth.set.call(canvas, value); + self.onResize(); + } + }); + + Object.defineProperty(canvas, 'height', { + configurable: true, + enumerable: true, + get: function() { + return self.bufferHeight; + }, + set: function(value) { + self.bufferHeight = value; + self.realCanvasHeight.set.call(canvas, value); + self.onResize(); + } + }); + } + + this.lastBoundFramebuffer = gl.getParameter(gl.FRAMEBUFFER_BINDING); + + if (this.lastBoundFramebuffer == null) { + this.lastBoundFramebuffer = this.framebuffer; + this.gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer); + } + + this.gl.bindFramebuffer = function(target, framebuffer) { + self.lastBoundFramebuffer = framebuffer ? framebuffer : self.framebuffer; + // Silently make calls to bind the default framebuffer bind ours instead. + self.realBindFramebuffer.call(gl, target, self.lastBoundFramebuffer); + }; + + this.cullFace = gl.getParameter(gl.CULL_FACE); + this.depthTest = gl.getParameter(gl.DEPTH_TEST); + this.blend = gl.getParameter(gl.BLEND); + this.scissorTest = gl.getParameter(gl.SCISSOR_TEST); + this.stencilTest = gl.getParameter(gl.STENCIL_TEST); + + gl.enable = function(pname) { + switch (pname) { + case gl.CULL_FACE: self.cullFace = true; break; + case gl.DEPTH_TEST: self.depthTest = true; break; + case gl.BLEND: self.blend = true; break; + case gl.SCISSOR_TEST: self.scissorTest = true; break; + case gl.STENCIL_TEST: self.stencilTest = true; break; + } + self.realEnable.call(gl, pname); + }; + + gl.disable = function(pname) { + switch (pname) { + case gl.CULL_FACE: self.cullFace = false; break; + case gl.DEPTH_TEST: self.depthTest = false; break; + case gl.BLEND: self.blend = false; break; + case gl.SCISSOR_TEST: self.scissorTest = false; break; + case gl.STENCIL_TEST: self.stencilTest = false; break; + } + self.realDisable.call(gl, pname); + }; + + this.colorMask = gl.getParameter(gl.COLOR_WRITEMASK); + gl.colorMask = function(r, g, b, a) { + self.colorMask[0] = r; + self.colorMask[1] = g; + self.colorMask[2] = b; + self.colorMask[3] = a; + self.realColorMask.call(gl, r, g, b, a); + }; + + this.clearColor = gl.getParameter(gl.COLOR_CLEAR_VALUE); + gl.clearColor = function(r, g, b, a) { + self.clearColor[0] = r; + self.clearColor[1] = g; + self.clearColor[2] = b; + self.clearColor[3] = a; + self.realClearColor.call(gl, r, g, b, a); + }; + + this.viewport = gl.getParameter(gl.VIEWPORT); + gl.viewport = function(x, y, w, h) { + self.viewport[0] = x; + self.viewport[1] = y; + self.viewport[2] = w; + self.viewport[3] = h; + self.realViewport.call(gl, x, y, w, h); + }; + + this.isPatched = true; + Util.safariCssSizeWorkaround(canvas); +}; + +CardboardDistorter.prototype.unpatch = function() { + if (!this.isPatched) { + return; + } + + var gl = this.gl; + var canvas = this.gl.canvas; + + if (!Util.isIOS()) { + Object.defineProperty(canvas, 'width', this.realCanvasWidth); + Object.defineProperty(canvas, 'height', this.realCanvasHeight); + } + canvas.width = this.bufferWidth; + canvas.height = this.bufferHeight; + + gl.bindFramebuffer = this.realBindFramebuffer; + gl.enable = this.realEnable; + gl.disable = this.realDisable; + gl.colorMask = this.realColorMask; + gl.clearColor = this.realClearColor; + gl.viewport = this.realViewport; + + // Check to see if our fake backbuffer is bound and bind the real backbuffer + // if that's the case. + if (this.lastBoundFramebuffer == this.framebuffer) { + gl.bindFramebuffer(gl.FRAMEBUFFER, null); + } + + this.isPatched = false; + + setTimeout(function() { + Util.safariCssSizeWorkaround(canvas); + }, 1); +}; + +CardboardDistorter.prototype.setTextureBounds = function(leftBounds, rightBounds) { + if (!leftBounds) { + leftBounds = [0, 0, 0.5, 1]; + } + + if (!rightBounds) { + rightBounds = [0.5, 0, 0.5, 1]; + } + + // Left eye + this.viewportOffsetScale[0] = leftBounds[0]; // X + this.viewportOffsetScale[1] = leftBounds[1]; // Y + this.viewportOffsetScale[2] = leftBounds[2]; // Width + this.viewportOffsetScale[3] = leftBounds[3]; // Height + + // Right eye + this.viewportOffsetScale[4] = rightBounds[0]; // X + this.viewportOffsetScale[5] = rightBounds[1]; // Y + this.viewportOffsetScale[6] = rightBounds[2]; // Width + this.viewportOffsetScale[7] = rightBounds[3]; // Height +}; + +/** + * Performs distortion pass on the injected backbuffer, rendering it to the real + * backbuffer. + */ +CardboardDistorter.prototype.submitFrame = function() { + var gl = this.gl; + var self = this; + + var glState = []; + + if (!window.WebVRConfig.DIRTY_SUBMIT_FRAME_BINDINGS) { + glState.push( + gl.CURRENT_PROGRAM, + gl.ARRAY_BUFFER_BINDING, + gl.ELEMENT_ARRAY_BUFFER_BINDING, + gl.TEXTURE_BINDING_2D, gl.TEXTURE0 + ); + } + + WGLUPreserveGLState(gl, glState, function(gl) { + // Bind the real default framebuffer + self.realBindFramebuffer.call(gl, gl.FRAMEBUFFER, null); + + // Make sure the GL state is in a good place + if (self.cullFace) { self.realDisable.call(gl, gl.CULL_FACE); } + if (self.depthTest) { self.realDisable.call(gl, gl.DEPTH_TEST); } + if (self.blend) { self.realDisable.call(gl, gl.BLEND); } + if (self.scissorTest) { self.realDisable.call(gl, gl.SCISSOR_TEST); } + if (self.stencilTest) { self.realDisable.call(gl, gl.STENCIL_TEST); } + self.realColorMask.call(gl, true, true, true, true); + self.realViewport.call(gl, 0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + + // If the backbuffer has an alpha channel clear every frame so the page + // doesn't show through. + if (self.ctxAttribs.alpha || Util.isIOS()) { + self.realClearColor.call(gl, 0, 0, 0, 1); + gl.clear(gl.COLOR_BUFFER_BIT); + } + + // Bind distortion program and mesh + gl.useProgram(self.program); + + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, self.indexBuffer); + + gl.bindBuffer(gl.ARRAY_BUFFER, self.vertexBuffer); + gl.enableVertexAttribArray(self.attribs.position); + gl.enableVertexAttribArray(self.attribs.texCoord); + gl.vertexAttribPointer(self.attribs.position, 2, gl.FLOAT, false, 20, 0); + gl.vertexAttribPointer(self.attribs.texCoord, 3, gl.FLOAT, false, 20, 8); + + gl.activeTexture(gl.TEXTURE0); + gl.uniform1i(self.uniforms.diffuse, 0); + gl.bindTexture(gl.TEXTURE_2D, self.renderTarget); + + gl.uniform4fv(self.uniforms.viewportOffsetScale, self.viewportOffsetScale); + + // Draws both eyes + gl.drawElements(gl.TRIANGLES, self.indexCount, gl.UNSIGNED_SHORT, 0); + + if (self.cardboardUI) { + self.cardboardUI.renderNoState(); + } + + // Bind the fake default framebuffer again + self.realBindFramebuffer.call(self.gl, gl.FRAMEBUFFER, self.framebuffer); + + // If preserveDrawingBuffer == false clear the framebuffer + if (!self.ctxAttribs.preserveDrawingBuffer) { + self.realClearColor.call(gl, 0, 0, 0, 0); + gl.clear(gl.COLOR_BUFFER_BIT); + } + + if (!window.WebVRConfig.DIRTY_SUBMIT_FRAME_BINDINGS) { + self.realBindFramebuffer.call(gl, gl.FRAMEBUFFER, self.lastBoundFramebuffer); + } + + // Restore state + if (self.cullFace) { self.realEnable.call(gl, gl.CULL_FACE); } + if (self.depthTest) { self.realEnable.call(gl, gl.DEPTH_TEST); } + if (self.blend) { self.realEnable.call(gl, gl.BLEND); } + if (self.scissorTest) { self.realEnable.call(gl, gl.SCISSOR_TEST); } + if (self.stencilTest) { self.realEnable.call(gl, gl.STENCIL_TEST); } + + self.realColorMask.apply(gl, self.colorMask); + self.realViewport.apply(gl, self.viewport); + if (self.ctxAttribs.alpha || !self.ctxAttribs.preserveDrawingBuffer) { + self.realClearColor.apply(gl, self.clearColor); + } + }); + + // Workaround for the fact that Safari doesn't allow us to patch the canvas + // width and height correctly. After each submit frame check to see what the + // real backbuffer size has been set to and resize the fake backbuffer size + // to match. + if (Util.isIOS()) { + var canvas = gl.canvas; + if (canvas.width != self.bufferWidth || canvas.height != self.bufferHeight) { + self.bufferWidth = canvas.width; + self.bufferHeight = canvas.height; + self.onResize(); + } + } +}; + +/** + * Call when the deviceInfo has changed. At this point we need + * to re-calculate the distortion mesh. + */ +CardboardDistorter.prototype.updateDeviceInfo = function(deviceInfo) { + var gl = this.gl; + var self = this; + + var glState = [gl.ARRAY_BUFFER_BINDING, gl.ELEMENT_ARRAY_BUFFER_BINDING]; + WGLUPreserveGLState(gl, glState, function(gl) { + var vertices = self.computeMeshVertices_(self.meshWidth, self.meshHeight, deviceInfo); + gl.bindBuffer(gl.ARRAY_BUFFER, self.vertexBuffer); + gl.bufferData(gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW); + + // Indices don't change based on device parameters, so only compute once. + if (!self.indexCount) { + var indices = self.computeMeshIndices_(self.meshWidth, self.meshHeight); + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, self.indexBuffer); + gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW); + self.indexCount = indices.length; + } + }); +}; + +/** + * Build the distortion mesh vertices. + * Based on code from the Unity cardboard plugin. + */ +CardboardDistorter.prototype.computeMeshVertices_ = function(width, height, deviceInfo) { + var vertices = new Float32Array(2 * width * height * 5); + + var lensFrustum = deviceInfo.getLeftEyeVisibleTanAngles(); + var noLensFrustum = deviceInfo.getLeftEyeNoLensTanAngles(); + var viewport = deviceInfo.getLeftEyeVisibleScreenRect(noLensFrustum); + var vidx = 0; + var iidx = 0; + for (var e = 0; e < 2; e++) { + for (var j = 0; j < height; j++) { + for (var i = 0; i < width; i++, vidx++) { + var u = i / (width - 1); + var v = j / (height - 1); + + // Grid points regularly spaced in StreoScreen, and barrel distorted in + // the mesh. + var s = u; + var t = v; + var x = Util.lerp(lensFrustum[0], lensFrustum[2], u); + var y = Util.lerp(lensFrustum[3], lensFrustum[1], v); + var d = Math.sqrt(x * x + y * y); + var r = deviceInfo.distortion.distortInverse(d); + var p = x * r / d; + var q = y * r / d; + u = (p - noLensFrustum[0]) / (noLensFrustum[2] - noLensFrustum[0]); + v = (q - noLensFrustum[3]) / (noLensFrustum[1] - noLensFrustum[3]); + + // Convert u,v to mesh screen coordinates. + var aspect = deviceInfo.device.widthMeters / deviceInfo.device.heightMeters; + + // FIXME: The original Unity plugin multiplied U by the aspect ratio + // and didn't multiply either value by 2, but that seems to get it + // really close to correct looking for me. I hate this kind of "Don't + // know why it works" code though, and wold love a more logical + // explanation of what needs to happen here. + u = (viewport.x + u * viewport.width - 0.5) * 2.0; //* aspect; + v = (viewport.y + v * viewport.height - 0.5) * 2.0; + + vertices[(vidx * 5) + 0] = u; // position.x + vertices[(vidx * 5) + 1] = v; // position.y + vertices[(vidx * 5) + 2] = s; // texCoord.x + vertices[(vidx * 5) + 3] = t; // texCoord.y + vertices[(vidx * 5) + 4] = e; // texCoord.z (viewport index) + } + } + var w = lensFrustum[2] - lensFrustum[0]; + lensFrustum[0] = -(w + lensFrustum[0]); + lensFrustum[2] = w - lensFrustum[2]; + w = noLensFrustum[2] - noLensFrustum[0]; + noLensFrustum[0] = -(w + noLensFrustum[0]); + noLensFrustum[2] = w - noLensFrustum[2]; + viewport.x = 1 - (viewport.x + viewport.width); + } + return vertices; +} + +/** + * Build the distortion mesh indices. + * Based on code from the Unity cardboard plugin. + */ +CardboardDistorter.prototype.computeMeshIndices_ = function(width, height) { + var indices = new Uint16Array(2 * (width - 1) * (height - 1) * 6); + var halfwidth = width / 2; + var halfheight = height / 2; + var vidx = 0; + var iidx = 0; + for (var e = 0; e < 2; e++) { + for (var j = 0; j < height; j++) { + for (var i = 0; i < width; i++, vidx++) { + if (i == 0 || j == 0) + continue; + // Build a quad. Lower right and upper left quadrants have quads with + // the triangle diagonal flipped to get the vignette to interpolate + // correctly. + if ((i <= halfwidth) == (j <= halfheight)) { + // Quad diagonal lower left to upper right. + indices[iidx++] = vidx; + indices[iidx++] = vidx - width - 1; + indices[iidx++] = vidx - width; + indices[iidx++] = vidx - width - 1; + indices[iidx++] = vidx; + indices[iidx++] = vidx - 1; + } else { + // Quad diagonal upper left to lower right. + indices[iidx++] = vidx - 1; + indices[iidx++] = vidx - width; + indices[iidx++] = vidx; + indices[iidx++] = vidx - width; + indices[iidx++] = vidx - 1; + indices[iidx++] = vidx - width - 1; + } + } + } + } + return indices; +}; + +CardboardDistorter.prototype.getOwnPropertyDescriptor_ = function(proto, attrName) { + var descriptor = Object.getOwnPropertyDescriptor(proto, attrName); + // In some cases (ahem... Safari), the descriptor returns undefined get and + // set fields. In this case, we need to create a synthetic property + // descriptor. This works around some of the issues in + // https://github.com/borismus/webvr-polyfill/issues/46 + if (descriptor.get === undefined || descriptor.set === undefined) { + descriptor.configurable = true; + descriptor.enumerable = true; + descriptor.get = function() { + return this.getAttribute(attrName); + }; + descriptor.set = function(val) { + this.setAttribute(attrName, val); + }; + } + return descriptor; +}; + +module.exports = CardboardDistorter; + +},{"./cardboard-ui.js":11,"./deps/wglu-preserve-state.js":13,"./util.js":29}],11:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Util = _dereq_('./util.js'); +var WGLUPreserveGLState = _dereq_('./deps/wglu-preserve-state.js'); + +var uiVS = [ + 'attribute vec2 position;', + + 'uniform mat4 projectionMat;', + + 'void main() {', + ' gl_Position = projectionMat * vec4( position, -1.0, 1.0 );', + '}', +].join('\n'); + +var uiFS = [ + 'precision mediump float;', + + 'uniform vec4 color;', + + 'void main() {', + ' gl_FragColor = color;', + '}', +].join('\n'); + +var DEG2RAD = Math.PI/180.0; + +// The gear has 6 identical sections, each spanning 60 degrees. +var kAnglePerGearSection = 60; + +// Half-angle of the span of the outer rim. +var kOuterRimEndAngle = 12; + +// Angle between the middle of the outer rim and the start of the inner rim. +var kInnerRimBeginAngle = 20; + +// Distance from center to outer rim, normalized so that the entire model +// fits in a [-1, 1] x [-1, 1] square. +var kOuterRadius = 1; + +// Distance from center to depressed rim, in model units. +var kMiddleRadius = 0.75; + +// Radius of the inner hollow circle, in model units. +var kInnerRadius = 0.3125; + +// Center line thickness in DP. +var kCenterLineThicknessDp = 4; + +// Button width in DP. +var kButtonWidthDp = 28; + +// Factor to scale the touch area that responds to the touch. +var kTouchSlopFactor = 1.5; + +var Angles = [ + 0, kOuterRimEndAngle, kInnerRimBeginAngle, + kAnglePerGearSection - kInnerRimBeginAngle, + kAnglePerGearSection - kOuterRimEndAngle +]; + +/** + * Renders the alignment line and "options" gear. It is assumed that the canvas + * this is rendered into covers the entire screen (or close to it.) + */ +function CardboardUI(gl) { + this.gl = gl; + + this.attribs = { + position: 0 + }; + this.program = Util.linkProgram(gl, uiVS, uiFS, this.attribs); + this.uniforms = Util.getProgramUniforms(gl, this.program); + + this.vertexBuffer = gl.createBuffer(); + this.gearOffset = 0; + this.gearVertexCount = 0; + this.arrowOffset = 0; + this.arrowVertexCount = 0; + + this.projMat = new Float32Array(16); + + this.listener = null; + + this.onResize(); +}; + +/** + * Tears down all the resources created by the UI renderer. + */ +CardboardUI.prototype.destroy = function() { + var gl = this.gl; + + if (this.listener) { + gl.canvas.removeEventListener('click', this.listener, false); + } + + gl.deleteProgram(this.program); + gl.deleteBuffer(this.vertexBuffer); +}; + +/** + * Adds a listener to clicks on the gear and back icons + */ +CardboardUI.prototype.listen = function(optionsCallback, backCallback) { + var canvas = this.gl.canvas; + this.listener = function(event) { + var midline = canvas.clientWidth / 2; + var buttonSize = kButtonWidthDp * kTouchSlopFactor; + // Check to see if the user clicked on (or around) the gear icon + if (event.clientX > midline - buttonSize && + event.clientX < midline + buttonSize && + event.clientY > canvas.clientHeight - buttonSize) { + optionsCallback(event); + } + // Check to see if the user clicked on (or around) the back icon + else if (event.clientX < buttonSize && event.clientY < buttonSize) { + backCallback(event); + } + }; + canvas.addEventListener('click', this.listener, false); +}; + +/** + * Builds the UI mesh. + */ +CardboardUI.prototype.onResize = function() { + var gl = this.gl; + var self = this; + + var glState = [ + gl.ARRAY_BUFFER_BINDING + ]; + + WGLUPreserveGLState(gl, glState, function(gl) { + var vertices = []; + + var midline = gl.drawingBufferWidth / 2; + + // The gl buffer size will likely be smaller than the physical pixel count. + // So we need to scale the dps down based on the actual buffer size vs physical pixel count. + // This will properly size the ui elements no matter what the gl buffer resolution is + var physicalPixels = Math.max(screen.width, screen.height) * window.devicePixelRatio; + var scalingRatio = gl.drawingBufferWidth / physicalPixels; + var dps = scalingRatio * window.devicePixelRatio; + + var lineWidth = kCenterLineThicknessDp * dps / 2; + var buttonSize = kButtonWidthDp * kTouchSlopFactor * dps; + var buttonScale = kButtonWidthDp * dps / 2; + var buttonBorder = ((kButtonWidthDp * kTouchSlopFactor) - kButtonWidthDp) * dps; + + // Build centerline + vertices.push(midline - lineWidth, buttonSize); + vertices.push(midline - lineWidth, gl.drawingBufferHeight); + vertices.push(midline + lineWidth, buttonSize); + vertices.push(midline + lineWidth, gl.drawingBufferHeight); + + // Build gear + self.gearOffset = (vertices.length / 2); + + function addGearSegment(theta, r) { + var angle = (90 - theta) * DEG2RAD; + var x = Math.cos(angle); + var y = Math.sin(angle); + vertices.push(kInnerRadius * x * buttonScale + midline, kInnerRadius * y * buttonScale + buttonScale); + vertices.push(r * x * buttonScale + midline, r * y * buttonScale + buttonScale); + } + + for (var i = 0; i <= 6; i++) { + var segmentTheta = i * kAnglePerGearSection; + + addGearSegment(segmentTheta, kOuterRadius); + addGearSegment(segmentTheta + kOuterRimEndAngle, kOuterRadius); + addGearSegment(segmentTheta + kInnerRimBeginAngle, kMiddleRadius); + addGearSegment(segmentTheta + (kAnglePerGearSection - kInnerRimBeginAngle), kMiddleRadius); + addGearSegment(segmentTheta + (kAnglePerGearSection - kOuterRimEndAngle), kOuterRadius); + } + + self.gearVertexCount = (vertices.length / 2) - self.gearOffset; + + // Build back arrow + self.arrowOffset = (vertices.length / 2); + + function addArrowVertex(x, y) { + vertices.push(buttonBorder + x, gl.drawingBufferHeight - buttonBorder - y); + } + + var angledLineWidth = lineWidth / Math.sin(45 * DEG2RAD); + + addArrowVertex(0, buttonScale); + addArrowVertex(buttonScale, 0); + addArrowVertex(buttonScale + angledLineWidth, angledLineWidth); + addArrowVertex(angledLineWidth, buttonScale + angledLineWidth); + + addArrowVertex(angledLineWidth, buttonScale - angledLineWidth); + addArrowVertex(0, buttonScale); + addArrowVertex(buttonScale, buttonScale * 2); + addArrowVertex(buttonScale + angledLineWidth, (buttonScale * 2) - angledLineWidth); + + addArrowVertex(angledLineWidth, buttonScale - angledLineWidth); + addArrowVertex(0, buttonScale); + + addArrowVertex(angledLineWidth, buttonScale - lineWidth); + addArrowVertex(kButtonWidthDp * dps, buttonScale - lineWidth); + addArrowVertex(angledLineWidth, buttonScale + lineWidth); + addArrowVertex(kButtonWidthDp * dps, buttonScale + lineWidth); + + self.arrowVertexCount = (vertices.length / 2) - self.arrowOffset; + + // Buffer data + gl.bindBuffer(gl.ARRAY_BUFFER, self.vertexBuffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW); + }); +}; + +/** + * Performs distortion pass on the injected backbuffer, rendering it to the real + * backbuffer. + */ +CardboardUI.prototype.render = function() { + var gl = this.gl; + var self = this; + + var glState = [ + gl.CULL_FACE, + gl.DEPTH_TEST, + gl.BLEND, + gl.SCISSOR_TEST, + gl.STENCIL_TEST, + gl.COLOR_WRITEMASK, + gl.VIEWPORT, + + gl.CURRENT_PROGRAM, + gl.ARRAY_BUFFER_BINDING + ]; + + WGLUPreserveGLState(gl, glState, function(gl) { + // Make sure the GL state is in a good place + gl.disable(gl.CULL_FACE); + gl.disable(gl.DEPTH_TEST); + gl.disable(gl.BLEND); + gl.disable(gl.SCISSOR_TEST); + gl.disable(gl.STENCIL_TEST); + gl.colorMask(true, true, true, true); + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + + self.renderNoState(); + }); +}; + +CardboardUI.prototype.renderNoState = function() { + var gl = this.gl; + + // Bind distortion program and mesh + gl.useProgram(this.program); + + gl.bindBuffer(gl.ARRAY_BUFFER, this.vertexBuffer); + gl.enableVertexAttribArray(this.attribs.position); + gl.vertexAttribPointer(this.attribs.position, 2, gl.FLOAT, false, 8, 0); + + gl.uniform4f(this.uniforms.color, 1.0, 1.0, 1.0, 1.0); + + Util.orthoMatrix(this.projMat, 0, gl.drawingBufferWidth, 0, gl.drawingBufferHeight, 0.1, 1024.0); + gl.uniformMatrix4fv(this.uniforms.projectionMat, false, this.projMat); + + // Draws UI element + gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4); + gl.drawArrays(gl.TRIANGLE_STRIP, this.gearOffset, this.gearVertexCount); + gl.drawArrays(gl.TRIANGLE_STRIP, this.arrowOffset, this.arrowVertexCount); +}; + +module.exports = CardboardUI; + +},{"./deps/wglu-preserve-state.js":13,"./util.js":29}],12:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var CardboardDistorter = _dereq_('./cardboard-distorter.js'); +var CardboardUI = _dereq_('./cardboard-ui.js'); +var DeviceInfo = _dereq_('./device-info.js'); +var Dpdb = _dereq_('./dpdb/dpdb.js'); +var FusionPoseSensor = _dereq_('./sensor-fusion/fusion-pose-sensor.js'); +var RotateInstructions = _dereq_('./rotate-instructions.js'); +var ViewerSelector = _dereq_('./viewer-selector.js'); +var VRDisplay = _dereq_('./base.js').VRDisplay; +var Util = _dereq_('./util.js'); + +var Eye = { + LEFT: 'left', + RIGHT: 'right' +}; + +/** + * VRDisplay based on mobile device parameters and DeviceMotion APIs. + */ +function CardboardVRDisplay() { + this.displayName = 'Cardboard VRDisplay (webvr-polyfill)'; + + this.capabilities.hasOrientation = true; + this.capabilities.canPresent = true; + + // "Private" members. + this.bufferScale_ = window.WebVRConfig.BUFFER_SCALE; + this.poseSensor_ = new FusionPoseSensor(); + this.distorter_ = null; + this.cardboardUI_ = null; + + this.dpdb_ = new Dpdb(true, this.onDeviceParamsUpdated_.bind(this)); + this.deviceInfo_ = new DeviceInfo(this.dpdb_.getDeviceParams()); + + this.viewerSelector_ = new ViewerSelector(); + this.viewerSelector_.onChange(this.onViewerChanged_.bind(this)); + + // Set the correct initial viewer. + this.deviceInfo_.setViewer(this.viewerSelector_.getCurrentViewer()); + + if (!window.WebVRConfig.ROTATE_INSTRUCTIONS_DISABLED) { + this.rotateInstructions_ = new RotateInstructions(); + } + + if (Util.isIOS()) { + // Listen for resize events to workaround this awful Safari bug. + window.addEventListener('resize', this.onResize_.bind(this)); + } +} +CardboardVRDisplay.prototype = new VRDisplay(); + +CardboardVRDisplay.prototype.getImmediatePose = function() { + return { + position: this.poseSensor_.getPosition(), + orientation: this.poseSensor_.getOrientation(), + linearVelocity: null, + linearAcceleration: null, + angularVelocity: null, + angularAcceleration: null + }; +}; + +CardboardVRDisplay.prototype.resetPose = function() { + this.poseSensor_.resetPose(); +}; + +CardboardVRDisplay.prototype.getEyeParameters = function(whichEye) { + var offset = [this.deviceInfo_.viewer.interLensDistance * 0.5, 0.0, 0.0]; + var fieldOfView; + + // TODO: FoV can be a little expensive to compute. Cache when device params change. + if (whichEye == Eye.LEFT) { + offset[0] *= -1.0; + fieldOfView = this.deviceInfo_.getFieldOfViewLeftEye(); + } else if (whichEye == Eye.RIGHT) { + fieldOfView = this.deviceInfo_.getFieldOfViewRightEye(); + } else { + console.error('Invalid eye provided: %s', whichEye); + return null; + } + + return { + fieldOfView: fieldOfView, + offset: offset, + // TODO: Should be able to provide better values than these. + renderWidth: this.deviceInfo_.device.width * 0.5 * this.bufferScale_, + renderHeight: this.deviceInfo_.device.height * this.bufferScale_, + }; +}; + +CardboardVRDisplay.prototype.onDeviceParamsUpdated_ = function(newParams) { + if (Util.isDebug()) { + console.log('DPDB reported that device params were updated.'); + } + this.deviceInfo_.updateDeviceParams(newParams); + + if (this.distorter_) { + this.distorter_.updateDeviceInfo(this.deviceInfo_); + } +}; + +CardboardVRDisplay.prototype.updateBounds_ = function () { + if (this.layer_ && this.distorter_ && (this.layer_.leftBounds || this.layer_.rightBounds)) { + this.distorter_.setTextureBounds(this.layer_.leftBounds, this.layer_.rightBounds); + } +}; + +CardboardVRDisplay.prototype.beginPresent_ = function() { + var gl = this.layer_.source.getContext('webgl'); + if (!gl) + gl = this.layer_.source.getContext('experimental-webgl'); + if (!gl) + gl = this.layer_.source.getContext('webgl2'); + + if (!gl) + return; // Can't do distortion without a WebGL context. + + // Provides a way to opt out of distortion + if (this.layer_.predistorted) { + if (!window.WebVRConfig.CARDBOARD_UI_DISABLED) { + gl.canvas.width = Util.getScreenWidth() * this.bufferScale_; + gl.canvas.height = Util.getScreenHeight() * this.bufferScale_; + this.cardboardUI_ = new CardboardUI(gl); + } + } else { + // Create a new distorter for the target context + this.distorter_ = new CardboardDistorter(gl); + this.distorter_.updateDeviceInfo(this.deviceInfo_); + this.cardboardUI_ = this.distorter_.cardboardUI; + } + + if (this.cardboardUI_) { + this.cardboardUI_.listen(function(e) { + // Options clicked. + this.viewerSelector_.show(this.layer_.source.parentElement); + e.stopPropagation(); + e.preventDefault(); + }.bind(this), function(e) { + // Back clicked. + this.exitPresent(); + e.stopPropagation(); + e.preventDefault(); + }.bind(this)); + } + + if (this.rotateInstructions_) { + if (Util.isLandscapeMode() && Util.isMobile()) { + // In landscape mode, temporarily show the "put into Cardboard" + // interstitial. Otherwise, do the default thing. + this.rotateInstructions_.showTemporarily(3000, this.layer_.source.parentElement); + } else { + this.rotateInstructions_.update(); + } + } + + // Listen for orientation change events in order to show interstitial. + this.orientationHandler = this.onOrientationChange_.bind(this); + window.addEventListener('orientationchange', this.orientationHandler); + + // Listen for present display change events in order to update distorter dimensions + this.vrdisplaypresentchangeHandler = this.updateBounds_.bind(this); + window.addEventListener('vrdisplaypresentchange', this.vrdisplaypresentchangeHandler); + + // Fire this event initially, to give geometry-distortion clients the chance + // to do something custom. + this.fireVRDisplayDeviceParamsChange_(); +}; + +CardboardVRDisplay.prototype.endPresent_ = function() { + if (this.distorter_) { + this.distorter_.destroy(); + this.distorter_ = null; + } + if (this.cardboardUI_) { + this.cardboardUI_.destroy(); + this.cardboardUI_ = null; + } + + if (this.rotateInstructions_) { + this.rotateInstructions_.hide(); + } + this.viewerSelector_.hide(); + + window.removeEventListener('orientationchange', this.orientationHandler); + window.removeEventListener('vrdisplaypresentchange', this.vrdisplaypresentchangeHandler); +}; + +CardboardVRDisplay.prototype.submitFrame = function(pose) { + if (this.distorter_) { + this.updateBounds_(); + this.distorter_.submitFrame(); + } else if (this.cardboardUI_ && this.layer_) { + // Hack for predistorted: true. + var canvas = this.layer_.source.getContext('webgl').canvas; + if (canvas.width != this.lastWidth || canvas.height != this.lastHeight) { + this.cardboardUI_.onResize(); + } + this.lastWidth = canvas.width; + this.lastHeight = canvas.height; + + // Render the Cardboard UI. + this.cardboardUI_.render(); + } +}; + +CardboardVRDisplay.prototype.onOrientationChange_ = function(e) { + // Hide the viewer selector. + this.viewerSelector_.hide(); + + // Update the rotate instructions. + if (this.rotateInstructions_) { + this.rotateInstructions_.update(); + } + + this.onResize_(); +}; + +CardboardVRDisplay.prototype.onResize_ = function(e) { + if (this.layer_) { + var gl = this.layer_.source.getContext('webgl'); + // Size the CSS canvas. + // Added padding on right and bottom because iPhone 5 will not + // hide the URL bar unless content is bigger than the screen. + // This will not be visible as long as the container element (e.g. body) + // is set to 'overflow: hidden'. + // Additionally, 'box-sizing: content-box' ensures renderWidth = width + padding. + // This is required when 'box-sizing: border-box' is used elsewhere in the page. + var cssProperties = [ + 'position: absolute', + 'top: 0', + 'left: 0', + // Use vw/vh to handle implicitly devicePixelRatio; issue #282 + 'width: 100vw', + 'height: 100vh', + 'border: 0', + 'margin: 0', + // Set no padding in the case where you don't have control over + // the content injection, like in Unity WebGL; issue #282 + 'padding: 0px', + 'box-sizing: content-box', + ]; + gl.canvas.setAttribute('style', cssProperties.join('; ') + ';'); + + Util.safariCssSizeWorkaround(gl.canvas); + } +}; + +CardboardVRDisplay.prototype.onViewerChanged_ = function(viewer) { + this.deviceInfo_.setViewer(viewer); + + if (this.distorter_) { + // Update the distortion appropriately. + this.distorter_.updateDeviceInfo(this.deviceInfo_); + } + + // Fire a new event containing viewer and device parameters for clients that + // want to implement their own geometry-based distortion. + this.fireVRDisplayDeviceParamsChange_(); +}; + +CardboardVRDisplay.prototype.fireVRDisplayDeviceParamsChange_ = function() { + var event = new CustomEvent('vrdisplaydeviceparamschange', { + detail: { + vrdisplay: this, + deviceInfo: this.deviceInfo_, + } + }); + window.dispatchEvent(event); +}; + +module.exports = CardboardVRDisplay; + +},{"./base.js":9,"./cardboard-distorter.js":10,"./cardboard-ui.js":11,"./device-info.js":14,"./dpdb/dpdb.js":18,"./rotate-instructions.js":23,"./sensor-fusion/fusion-pose-sensor.js":25,"./util.js":29,"./viewer-selector.js":30}],13:[function(_dereq_,module,exports){ +/** + * Copyright (c) 2016, Brandon Jones. + * https://github.com/toji/webgl-utils/blob/master/src/wglu-preserve-state.js + * LICENSE: https://github.com/toji/webgl-utils/blob/master/LICENSE.md + */ + +function WGLUPreserveGLState(gl, bindings, callback) { + if (!bindings) { + callback(gl); + return; + } + + var boundValues = []; + + var activeTexture = null; + for (var i = 0; i < bindings.length; ++i) { + var binding = bindings[i]; + switch (binding) { + case gl.TEXTURE_BINDING_2D: + case gl.TEXTURE_BINDING_CUBE_MAP: + var textureUnit = bindings[++i]; + if (textureUnit < gl.TEXTURE0 || textureUnit > gl.TEXTURE31) { + console.error("TEXTURE_BINDING_2D or TEXTURE_BINDING_CUBE_MAP must be followed by a valid texture unit"); + boundValues.push(null, null); + break; + } + if (!activeTexture) { + activeTexture = gl.getParameter(gl.ACTIVE_TEXTURE); + } + gl.activeTexture(textureUnit); + boundValues.push(gl.getParameter(binding), null); + break; + case gl.ACTIVE_TEXTURE: + activeTexture = gl.getParameter(gl.ACTIVE_TEXTURE); + boundValues.push(null); + break; + default: + boundValues.push(gl.getParameter(binding)); + break; + } + } + + callback(gl); + + for (var i = 0; i < bindings.length; ++i) { + var binding = bindings[i]; + var boundValue = boundValues[i]; + switch (binding) { + case gl.ACTIVE_TEXTURE: + break; // Ignore this binding, since we special-case it to happen last. + case gl.ARRAY_BUFFER_BINDING: + gl.bindBuffer(gl.ARRAY_BUFFER, boundValue); + break; + case gl.COLOR_CLEAR_VALUE: + gl.clearColor(boundValue[0], boundValue[1], boundValue[2], boundValue[3]); + break; + case gl.COLOR_WRITEMASK: + gl.colorMask(boundValue[0], boundValue[1], boundValue[2], boundValue[3]); + break; + case gl.CURRENT_PROGRAM: + gl.useProgram(boundValue); + break; + case gl.ELEMENT_ARRAY_BUFFER_BINDING: + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, boundValue); + break; + case gl.FRAMEBUFFER_BINDING: + gl.bindFramebuffer(gl.FRAMEBUFFER, boundValue); + break; + case gl.RENDERBUFFER_BINDING: + gl.bindRenderbuffer(gl.RENDERBUFFER, boundValue); + break; + case gl.TEXTURE_BINDING_2D: + var textureUnit = bindings[++i]; + if (textureUnit < gl.TEXTURE0 || textureUnit > gl.TEXTURE31) + break; + gl.activeTexture(textureUnit); + gl.bindTexture(gl.TEXTURE_2D, boundValue); + break; + case gl.TEXTURE_BINDING_CUBE_MAP: + var textureUnit = bindings[++i]; + if (textureUnit < gl.TEXTURE0 || textureUnit > gl.TEXTURE31) + break; + gl.activeTexture(textureUnit); + gl.bindTexture(gl.TEXTURE_CUBE_MAP, boundValue); + break; + case gl.VIEWPORT: + gl.viewport(boundValue[0], boundValue[1], boundValue[2], boundValue[3]); + break; + case gl.BLEND: + case gl.CULL_FACE: + case gl.DEPTH_TEST: + case gl.SCISSOR_TEST: + case gl.STENCIL_TEST: + if (boundValue) { + gl.enable(binding); + } else { + gl.disable(binding); + } + break; + default: + console.log("No GL restore behavior for 0x" + binding.toString(16)); + break; + } + + if (activeTexture) { + gl.activeTexture(activeTexture); + } + } +} + +module.exports = WGLUPreserveGLState; + +},{}],14:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Distortion = _dereq_('./distortion/distortion.js'); +var MathUtil = _dereq_('./math-util.js'); +var Util = _dereq_('./util.js'); + +function Device(params) { + this.width = params.width || Util.getScreenWidth(); + this.height = params.height || Util.getScreenHeight(); + this.widthMeters = params.widthMeters; + this.heightMeters = params.heightMeters; + this.bevelMeters = params.bevelMeters; +} + + +// Fallback Android device (based on Nexus 5 measurements) for use when +// we can't recognize an Android device. +var DEFAULT_ANDROID = new Device({ + widthMeters: 0.110, + heightMeters: 0.062, + bevelMeters: 0.004 +}); + +// Fallback iOS device (based on iPhone6) for use when +// we can't recognize an Android device. +var DEFAULT_IOS = new Device({ + widthMeters: 0.1038, + heightMeters: 0.0584, + bevelMeters: 0.004 +}); + + +var Viewers = { + CardboardV1: new CardboardViewer({ + id: 'CardboardV1', + label: 'Cardboard I/O 2014', + fov: 40, + interLensDistance: 0.060, + baselineLensDistance: 0.035, + screenLensDistance: 0.042, + distortionCoefficients: [0.441, 0.156], + inverseCoefficients: [-0.4410035, 0.42756155, -0.4804439, 0.5460139, + -0.58821183, 0.5733938, -0.48303202, 0.33299083, -0.17573841, + 0.0651772, -0.01488963, 0.001559834] + }), + CardboardV2: new CardboardViewer({ + id: 'CardboardV2', + label: 'Cardboard I/O 2015', + fov: 60, + interLensDistance: 0.064, + baselineLensDistance: 0.035, + screenLensDistance: 0.039, + distortionCoefficients: [0.34, 0.55], + inverseCoefficients: [-0.33836704, -0.18162185, 0.862655, -1.2462051, + 1.0560602, -0.58208317, 0.21609078, -0.05444823, 0.009177956, + -9.904169E-4, 6.183535E-5, -1.6981803E-6] + }) +}; + + +var DEFAULT_LEFT_CENTER = {x: 0.5, y: 0.5}; +var DEFAULT_RIGHT_CENTER = {x: 0.5, y: 0.5}; + +/** + * Manages information about the device and the viewer. + * + * deviceParams indicates the parameters of the device to use (generally + * obtained from dpdb.getDeviceParams()). Can be null to mean no device + * params were found. + */ +function DeviceInfo(deviceParams) { + this.viewer = Viewers.CardboardV2; + this.updateDeviceParams(deviceParams); + this.distortion = new Distortion(this.viewer.distortionCoefficients); +} + +DeviceInfo.prototype.updateDeviceParams = function(deviceParams) { + this.device = this.determineDevice_(deviceParams) || this.device; +}; + +DeviceInfo.prototype.getDevice = function() { + return this.device; +}; + +DeviceInfo.prototype.setViewer = function(viewer) { + this.viewer = viewer; + this.distortion = new Distortion(this.viewer.distortionCoefficients); +}; + +DeviceInfo.prototype.determineDevice_ = function(deviceParams) { + if (!deviceParams) { + // No parameters, so use a default. + if (Util.isIOS()) { + console.warn('Using fallback iOS device measurements.'); + return DEFAULT_IOS; + } else { + console.warn('Using fallback Android device measurements.'); + return DEFAULT_ANDROID; + } + } + + // Compute device screen dimensions based on deviceParams. + var METERS_PER_INCH = 0.0254; + var metersPerPixelX = METERS_PER_INCH / deviceParams.xdpi; + var metersPerPixelY = METERS_PER_INCH / deviceParams.ydpi; + var width = Util.getScreenWidth(); + var height = Util.getScreenHeight(); + return new Device({ + widthMeters: metersPerPixelX * width, + heightMeters: metersPerPixelY * height, + bevelMeters: deviceParams.bevelMm * 0.001, + }); +}; + +/** + * Calculates field of view for the left eye. + */ +DeviceInfo.prototype.getDistortedFieldOfViewLeftEye = function() { + var viewer = this.viewer; + var device = this.device; + var distortion = this.distortion; + + // Device.height and device.width for device in portrait mode, so transpose. + var eyeToScreenDistance = viewer.screenLensDistance; + + var outerDist = (device.widthMeters - viewer.interLensDistance) / 2; + var innerDist = viewer.interLensDistance / 2; + var bottomDist = viewer.baselineLensDistance - device.bevelMeters; + var topDist = device.heightMeters - bottomDist; + + var outerAngle = MathUtil.radToDeg * Math.atan( + distortion.distort(outerDist / eyeToScreenDistance)); + var innerAngle = MathUtil.radToDeg * Math.atan( + distortion.distort(innerDist / eyeToScreenDistance)); + var bottomAngle = MathUtil.radToDeg * Math.atan( + distortion.distort(bottomDist / eyeToScreenDistance)); + var topAngle = MathUtil.radToDeg * Math.atan( + distortion.distort(topDist / eyeToScreenDistance)); + + return { + leftDegrees: Math.min(outerAngle, viewer.fov), + rightDegrees: Math.min(innerAngle, viewer.fov), + downDegrees: Math.min(bottomAngle, viewer.fov), + upDegrees: Math.min(topAngle, viewer.fov) + }; +}; + +/** + * Calculates the tan-angles from the maximum FOV for the left eye for the + * current device and screen parameters. + */ +DeviceInfo.prototype.getLeftEyeVisibleTanAngles = function() { + var viewer = this.viewer; + var device = this.device; + var distortion = this.distortion; + + // Tan-angles from the max FOV. + var fovLeft = Math.tan(-MathUtil.degToRad * viewer.fov); + var fovTop = Math.tan(MathUtil.degToRad * viewer.fov); + var fovRight = Math.tan(MathUtil.degToRad * viewer.fov); + var fovBottom = Math.tan(-MathUtil.degToRad * viewer.fov); + // Viewport size. + var halfWidth = device.widthMeters / 4; + var halfHeight = device.heightMeters / 2; + // Viewport center, measured from left lens position. + var verticalLensOffset = (viewer.baselineLensDistance - device.bevelMeters - halfHeight); + var centerX = viewer.interLensDistance / 2 - halfWidth; + var centerY = -verticalLensOffset; + var centerZ = viewer.screenLensDistance; + // Tan-angles of the viewport edges, as seen through the lens. + var screenLeft = distortion.distort((centerX - halfWidth) / centerZ); + var screenTop = distortion.distort((centerY + halfHeight) / centerZ); + var screenRight = distortion.distort((centerX + halfWidth) / centerZ); + var screenBottom = distortion.distort((centerY - halfHeight) / centerZ); + // Compare the two sets of tan-angles and take the value closer to zero on each side. + var result = new Float32Array(4); + result[0] = Math.max(fovLeft, screenLeft); + result[1] = Math.min(fovTop, screenTop); + result[2] = Math.min(fovRight, screenRight); + result[3] = Math.max(fovBottom, screenBottom); + return result; +}; + +/** + * Calculates the tan-angles from the maximum FOV for the left eye for the + * current device and screen parameters, assuming no lenses. + */ +DeviceInfo.prototype.getLeftEyeNoLensTanAngles = function() { + var viewer = this.viewer; + var device = this.device; + var distortion = this.distortion; + + var result = new Float32Array(4); + // Tan-angles from the max FOV. + var fovLeft = distortion.distortInverse(Math.tan(-MathUtil.degToRad * viewer.fov)); + var fovTop = distortion.distortInverse(Math.tan(MathUtil.degToRad * viewer.fov)); + var fovRight = distortion.distortInverse(Math.tan(MathUtil.degToRad * viewer.fov)); + var fovBottom = distortion.distortInverse(Math.tan(-MathUtil.degToRad * viewer.fov)); + // Viewport size. + var halfWidth = device.widthMeters / 4; + var halfHeight = device.heightMeters / 2; + // Viewport center, measured from left lens position. + var verticalLensOffset = (viewer.baselineLensDistance - device.bevelMeters - halfHeight); + var centerX = viewer.interLensDistance / 2 - halfWidth; + var centerY = -verticalLensOffset; + var centerZ = viewer.screenLensDistance; + // Tan-angles of the viewport edges, as seen through the lens. + var screenLeft = (centerX - halfWidth) / centerZ; + var screenTop = (centerY + halfHeight) / centerZ; + var screenRight = (centerX + halfWidth) / centerZ; + var screenBottom = (centerY - halfHeight) / centerZ; + // Compare the two sets of tan-angles and take the value closer to zero on each side. + result[0] = Math.max(fovLeft, screenLeft); + result[1] = Math.min(fovTop, screenTop); + result[2] = Math.min(fovRight, screenRight); + result[3] = Math.max(fovBottom, screenBottom); + return result; +}; + +/** + * Calculates the screen rectangle visible from the left eye for the + * current device and screen parameters. + */ +DeviceInfo.prototype.getLeftEyeVisibleScreenRect = function(undistortedFrustum) { + var viewer = this.viewer; + var device = this.device; + + var dist = viewer.screenLensDistance; + var eyeX = (device.widthMeters - viewer.interLensDistance) / 2; + var eyeY = viewer.baselineLensDistance - device.bevelMeters; + var left = (undistortedFrustum[0] * dist + eyeX) / device.widthMeters; + var top = (undistortedFrustum[1] * dist + eyeY) / device.heightMeters; + var right = (undistortedFrustum[2] * dist + eyeX) / device.widthMeters; + var bottom = (undistortedFrustum[3] * dist + eyeY) / device.heightMeters; + return { + x: left, + y: bottom, + width: right - left, + height: top - bottom + }; +}; + +DeviceInfo.prototype.getFieldOfViewLeftEye = function(opt_isUndistorted) { + return opt_isUndistorted ? this.getUndistortedFieldOfViewLeftEye() : + this.getDistortedFieldOfViewLeftEye(); +}; + +DeviceInfo.prototype.getFieldOfViewRightEye = function(opt_isUndistorted) { + var fov = this.getFieldOfViewLeftEye(opt_isUndistorted); + return { + leftDegrees: fov.rightDegrees, + rightDegrees: fov.leftDegrees, + upDegrees: fov.upDegrees, + downDegrees: fov.downDegrees + }; +}; + +/** + * Calculates undistorted field of view for the left eye. + */ +DeviceInfo.prototype.getUndistortedFieldOfViewLeftEye = function() { + var p = this.getUndistortedParams_(); + + return { + leftDegrees: MathUtil.radToDeg * Math.atan(p.outerDist), + rightDegrees: MathUtil.radToDeg * Math.atan(p.innerDist), + downDegrees: MathUtil.radToDeg * Math.atan(p.bottomDist), + upDegrees: MathUtil.radToDeg * Math.atan(p.topDist) + }; +}; + +DeviceInfo.prototype.getUndistortedViewportLeftEye = function() { + var p = this.getUndistortedParams_(); + var viewer = this.viewer; + var device = this.device; + + // Distances stored in local variables are in tan-angle units unless otherwise + // noted. + var eyeToScreenDistance = viewer.screenLensDistance; + var screenWidth = device.widthMeters / eyeToScreenDistance; + var screenHeight = device.heightMeters / eyeToScreenDistance; + var xPxPerTanAngle = device.width / screenWidth; + var yPxPerTanAngle = device.height / screenHeight; + + var x = Math.round((p.eyePosX - p.outerDist) * xPxPerTanAngle); + var y = Math.round((p.eyePosY - p.bottomDist) * yPxPerTanAngle); + return { + x: x, + y: y, + width: Math.round((p.eyePosX + p.innerDist) * xPxPerTanAngle) - x, + height: Math.round((p.eyePosY + p.topDist) * yPxPerTanAngle) - y + }; +}; + +DeviceInfo.prototype.getUndistortedParams_ = function() { + var viewer = this.viewer; + var device = this.device; + var distortion = this.distortion; + + // Most of these variables in tan-angle units. + var eyeToScreenDistance = viewer.screenLensDistance; + var halfLensDistance = viewer.interLensDistance / 2 / eyeToScreenDistance; + var screenWidth = device.widthMeters / eyeToScreenDistance; + var screenHeight = device.heightMeters / eyeToScreenDistance; + + var eyePosX = screenWidth / 2 - halfLensDistance; + var eyePosY = (viewer.baselineLensDistance - device.bevelMeters) / eyeToScreenDistance; + + var maxFov = viewer.fov; + var viewerMax = distortion.distortInverse(Math.tan(MathUtil.degToRad * maxFov)); + var outerDist = Math.min(eyePosX, viewerMax); + var innerDist = Math.min(halfLensDistance, viewerMax); + var bottomDist = Math.min(eyePosY, viewerMax); + var topDist = Math.min(screenHeight - eyePosY, viewerMax); + + return { + outerDist: outerDist, + innerDist: innerDist, + topDist: topDist, + bottomDist: bottomDist, + eyePosX: eyePosX, + eyePosY: eyePosY + }; +}; + + +function CardboardViewer(params) { + // A machine readable ID. + this.id = params.id; + // A human readable label. + this.label = params.label; + + // Field of view in degrees (per side). + this.fov = params.fov; + + // Distance between lens centers in meters. + this.interLensDistance = params.interLensDistance; + // Distance between viewer baseline and lens center in meters. + this.baselineLensDistance = params.baselineLensDistance; + // Screen-to-lens distance in meters. + this.screenLensDistance = params.screenLensDistance; + + // Distortion coefficients. + this.distortionCoefficients = params.distortionCoefficients; + // Inverse distortion coefficients. + // TODO: Calculate these from distortionCoefficients in the future. + this.inverseCoefficients = params.inverseCoefficients; +} + +// Export viewer information. +DeviceInfo.Viewers = Viewers; +module.exports = DeviceInfo; + +},{"./distortion/distortion.js":16,"./math-util.js":20,"./util.js":29}],15:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +var VRDisplay = _dereq_('./base.js').VRDisplay; +var HMDVRDevice = _dereq_('./base.js').HMDVRDevice; +var PositionSensorVRDevice = _dereq_('./base.js').PositionSensorVRDevice; + +/** + * Wraps a VRDisplay and exposes it as a HMDVRDevice + */ +function VRDisplayHMDDevice(display) { + this.display = display; + + this.hardwareUnitId = display.displayId; + this.deviceId = 'webvr-polyfill:HMD:' + display.displayId; + this.deviceName = display.displayName + ' (HMD)'; +} +VRDisplayHMDDevice.prototype = new HMDVRDevice(); + +VRDisplayHMDDevice.prototype.getEyeParameters = function(whichEye) { + var eyeParameters = this.display.getEyeParameters(whichEye); + + return { + currentFieldOfView: eyeParameters.fieldOfView, + maximumFieldOfView: eyeParameters.fieldOfView, + minimumFieldOfView: eyeParameters.fieldOfView, + recommendedFieldOfView: eyeParameters.fieldOfView, + eyeTranslation: { x: eyeParameters.offset[0], y: eyeParameters.offset[1], z: eyeParameters.offset[2] }, + renderRect: { + x: (whichEye == 'right') ? eyeParameters.renderWidth : 0, + y: 0, + width: eyeParameters.renderWidth, + height: eyeParameters.renderHeight + } + }; +}; + +VRDisplayHMDDevice.prototype.setFieldOfView = + function(opt_fovLeft, opt_fovRight, opt_zNear, opt_zFar) { + // Not supported. getEyeParameters reports that the min, max, and recommended + // FoV is all the same, so no adjustment can be made. +}; + +// TODO: Need to hook requestFullscreen to see if a wrapped VRDisplay was passed +// in as an option. If so we should prevent the default fullscreen behavior and +// call VRDisplay.requestPresent instead. + +/** + * Wraps a VRDisplay and exposes it as a PositionSensorVRDevice + */ +function VRDisplayPositionSensorDevice(display) { + this.display = display; + + this.hardwareUnitId = display.displayId; + this.deviceId = 'webvr-polyfill:PositionSensor: ' + display.displayId; + this.deviceName = display.displayName + ' (PositionSensor)'; +} +VRDisplayPositionSensorDevice.prototype = new PositionSensorVRDevice(); + +VRDisplayPositionSensorDevice.prototype.getState = function() { + var pose = this.display.getPose(); + return { + position: pose.position ? { x: pose.position[0], y: pose.position[1], z: pose.position[2] } : null, + orientation: pose.orientation ? { x: pose.orientation[0], y: pose.orientation[1], z: pose.orientation[2], w: pose.orientation[3] } : null, + linearVelocity: null, + linearAcceleration: null, + angularVelocity: null, + angularAcceleration: null + }; +}; + +VRDisplayPositionSensorDevice.prototype.resetState = function() { + return this.positionDevice.resetPose(); +}; + + +module.exports.VRDisplayHMDDevice = VRDisplayHMDDevice; +module.exports.VRDisplayPositionSensorDevice = VRDisplayPositionSensorDevice; + + +},{"./base.js":9}],16:[function(_dereq_,module,exports){ +/** + * TODO(smus): Implement coefficient inversion. + */ +function Distortion(coefficients) { + this.coefficients = coefficients; +} + +/** + * Calculates the inverse distortion for a radius. + *

+ * Allows to compute the original undistorted radius from a distorted one. + * See also getApproximateInverseDistortion() for a faster but potentially + * less accurate method. + * + * @param {Number} radius Distorted radius from the lens center in tan-angle units. + * @return {Number} The undistorted radius in tan-angle units. + */ +Distortion.prototype.distortInverse = function(radius) { + // Secant method. + var r0 = 0; + var r1 = 1; + var dr0 = radius - this.distort(r0); + while (Math.abs(r1 - r0) > 0.0001 /** 0.1mm */) { + var dr1 = radius - this.distort(r1); + var r2 = r1 - dr1 * ((r1 - r0) / (dr1 - dr0)); + r0 = r1; + r1 = r2; + dr0 = dr1; + } + return r1; +}; + +/** + * Distorts a radius by its distortion factor from the center of the lenses. + * + * @param {Number} radius Radius from the lens center in tan-angle units. + * @return {Number} The distorted radius in tan-angle units. + */ +Distortion.prototype.distort = function(radius) { + var r2 = radius * radius; + var ret = 0; + for (var i = 0; i < this.coefficients.length; i++) { + ret = r2 * (ret + this.coefficients[i]); + } + return (ret + 1) * radius; +}; + +module.exports = Distortion; + +},{}],17:[function(_dereq_,module,exports){ +module.exports={ + "format": 1, + "last_updated": "2017-08-27T14:39:31Z", + "devices": [ + { + "type": "android", + "rules": [ + { + "mdmh": "asus/*/Nexus 7/*" + }, + { + "ua": "Nexus 7" + } + ], + "dpi": [ + 320.8, + 323 + ], + "bw": 3, + "ac": 500 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "asus/*/ASUS_Z00AD/*" + }, + { + "ua": "ASUS_Z00AD" + } + ], + "dpi": [ + 403, + 404.6 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "Google/*/Pixel XL/*" + }, + { + "ua": "Pixel XL" + } + ], + "dpi": [ + 537.9, + 533 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "Google/*/Pixel/*" + }, + { + "ua": "Pixel" + } + ], + "dpi": [ + 432.6, + 436.7 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": 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+ ], + "dpi": 265.1, + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/Galaxy Nexus/*" + }, + { + "ua": "Galaxy Nexus" + } + ], + "dpi": [ + 315.3, + 314.2 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-N910H/*" + }, + { + "ua": "SM-N910H" + } + ], + "dpi": [ + 515.1, + 518 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-N910C/*" + }, + { + "ua": "SM-N910C" + } + ], + "dpi": [ + 515.2, + 520.2 + ], + "bw": 3, + "ac": 500 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-G130M/*" + }, + { + "ua": "SM-G130M" + } + ], + "dpi": [ + 165.9, + 164.8 + ], + "bw": 3, + "ac": 500 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-G928I/*" + }, + { + "ua": "SM-G928I" + } + ], + "dpi": [ + 515.1, + 518.4 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-G920F/*" + }, + { + "ua": "SM-G920F" + } + ], + "dpi": 580.6, + "bw": 3, + "ac": 500 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-G920P/*" + }, + { + "ua": "SM-G920P" + } + ], + "dpi": [ + 522.5, + 577 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-G925F/*" + }, + { + "ua": "SM-G925F" + } + ], + "dpi": 580.6, + "bw": 3, + "ac": 500 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-G925V/*" + }, + { + "ua": "SM-G925V" + } + ], + "dpi": [ + 522.5, + 576.6 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-G930F/*" + }, + { + "ua": "SM-G930F" + } + ], + "dpi": 576.6, + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-G935F/*" + }, + { + "ua": "SM-G935F" + } + ], + "dpi": 533, + "bw": 3, + "ac": 500 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-G950F/*" + }, + { + "ua": "SM-G950F" + } + ], + "dpi": [ + 562.707, + 565.293 + ], + "bw": 3, + "ac": 500 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "samsung/*/SM-G955U/*" + }, + { + "ua": "SM-G955U" + } + ], + "dpi": [ + 522.514, + 525.762 + ], + "bw": 3, + "ac": 500 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "Sony/*/C6903/*" + }, + { + "ua": "C6903" + } + ], + "dpi": [ + 442.5, + 443.3 + ], + "bw": 3, + "ac": 500 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "Sony/*/D6653/*" + }, + { + "ua": "D6653" + } + ], + "dpi": [ + 428.6, + 427.6 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "Sony/*/E6653/*" + }, + { + "ua": "E6653" + } + ], + "dpi": [ + 428.6, + 425.7 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "Sony/*/E6853/*" + }, + { + "ua": "E6853" + } + ], + "dpi": [ + 403.4, + 401.9 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "Sony/*/SGP321/*" + }, + { + "ua": "SGP321" + } + ], + "dpi": [ + 224.7, + 224.1 + ], + "bw": 3, + "ac": 500 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "TCT/*/ALCATEL ONE TOUCH Fierce/*" + }, + { + "ua": "ALCATEL ONE TOUCH Fierce" + } + ], + "dpi": [ + 240, + 247.5 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "THL/*/thl 5000/*" + }, + { + "ua": "thl 5000" + } + ], + "dpi": [ + 480, + 443.3 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "android", + "rules": [ + { + "mdmh": "ZTE/*/ZTE Blade L2/*" + }, + { + "ua": "ZTE Blade L2" + } + ], + "dpi": 240, + "bw": 3, + "ac": 500 + }, + { + "type": "ios", + "rules": [ + { + "res": [ + 640, + 960 + ] + } + ], + "dpi": [ + 325.1, + 328.4 + ], + "bw": 4, + "ac": 1000 + }, + { + "type": "ios", + "rules": [ + { + "res": [ + 640, + 1136 + ] + } + ], + "dpi": [ + 317.1, + 320.2 + ], + "bw": 3, + "ac": 1000 + }, + { + "type": "ios", + "rules": [ + { + "res": [ + 750, + 1334 + ] + } + ], + "dpi": 326.4, + "bw": 4, + "ac": 1000 + }, + { + "type": "ios", + "rules": [ + { + "res": [ + 1242, + 2208 + ] + } + ], + "dpi": [ + 453.6, + 458.4 + ], + "bw": 4, + "ac": 1000 + }, + { + "type": "ios", + "rules": [ + { + "res": [ + 1125, + 2001 + ] + } + ], + "dpi": [ + 410.9, + 415.4 + ], + "bw": 4, + "ac": 1000 + } + ] +} +},{}],18:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// Offline cache of the DPDB, to be used until we load the online one (and +// as a fallback in case we can't load the online one). +var DPDB_CACHE = _dereq_('./dpdb.json'); +var Util = _dereq_('../util.js'); + +// Online DPDB URL. +var ONLINE_DPDB_URL = + 'https://dpdb.webvr.rocks/dpdb.json'; + +/** + * Calculates device parameters based on the DPDB (Device Parameter Database). + * Initially, uses the cached DPDB values. + * + * If fetchOnline == true, then this object tries to fetch the online version + * of the DPDB and updates the device info if a better match is found. + * Calls the onDeviceParamsUpdated callback when there is an update to the + * device information. + */ +function Dpdb(fetchOnline, onDeviceParamsUpdated) { + // Start with the offline DPDB cache while we are loading the real one. + this.dpdb = DPDB_CACHE; + + // Calculate device params based on the offline version of the DPDB. + this.recalculateDeviceParams_(); + + // XHR to fetch online DPDB file, if requested. + if (fetchOnline) { + // Set the callback. + this.onDeviceParamsUpdated = onDeviceParamsUpdated; + + var xhr = new XMLHttpRequest(); + var obj = this; + xhr.open('GET', ONLINE_DPDB_URL, true); + xhr.addEventListener('load', function() { + obj.loading = false; + if (xhr.status >= 200 && xhr.status <= 299) { + // Success. + obj.dpdb = JSON.parse(xhr.response); + obj.recalculateDeviceParams_(); + } else { + // Error loading the DPDB. + console.error('Error loading online DPDB!'); + } + }); + xhr.send(); + } +} + +// Returns the current device parameters. +Dpdb.prototype.getDeviceParams = function() { + return this.deviceParams; +}; + +// Recalculates this device's parameters based on the DPDB. +Dpdb.prototype.recalculateDeviceParams_ = function() { + var newDeviceParams = this.calcDeviceParams_(); + if (newDeviceParams) { + this.deviceParams = newDeviceParams; + // Invoke callback, if it is set. + if (this.onDeviceParamsUpdated) { + this.onDeviceParamsUpdated(this.deviceParams); + } + } else { + console.error('Failed to recalculate device parameters.'); + } +}; + +// Returns a DeviceParams object that represents the best guess as to this +// device's parameters. Can return null if the device does not match any +// known devices. +Dpdb.prototype.calcDeviceParams_ = function() { + var db = this.dpdb; // shorthand + if (!db) { + console.error('DPDB not available.'); + return null; + } + if (db.format != 1) { + console.error('DPDB has unexpected format version.'); + return null; + } + if (!db.devices || !db.devices.length) { + console.error('DPDB does not have a devices section.'); + return null; + } + + // Get the actual user agent and screen dimensions in pixels. + var userAgent = navigator.userAgent || navigator.vendor || window.opera; + var width = Util.getScreenWidth(); + var height = Util.getScreenHeight(); + + if (!db.devices) { + console.error('DPDB has no devices section.'); + return null; + } + + for (var i = 0; i < db.devices.length; i++) { + var device = db.devices[i]; + if (!device.rules) { + console.warn('Device[' + i + '] has no rules section.'); + continue; + } + + if (device.type != 'ios' && device.type != 'android') { + console.warn('Device[' + i + '] has invalid type.'); + continue; + } + + // See if this device is of the appropriate type. + if (Util.isIOS() != (device.type == 'ios')) continue; + + // See if this device matches any of the rules: + var matched = false; + for (var j = 0; j < device.rules.length; j++) { + var rule = device.rules[j]; + if (this.matchRule_(rule, userAgent, width, height)) { + matched = true; + break; + } + } + if (!matched) continue; + + // device.dpi might be an array of [ xdpi, ydpi] or just a scalar. + var xdpi = device.dpi[0] || device.dpi; + var ydpi = device.dpi[1] || device.dpi; + + return new DeviceParams({ xdpi: xdpi, ydpi: ydpi, bevelMm: device.bw }); + } + + console.warn('No DPDB device match.'); + return null; +}; + +Dpdb.prototype.matchRule_ = function(rule, ua, screenWidth, screenHeight) { + // We can only match 'ua' and 'res' rules, not other types like 'mdmh' + // (which are meant for native platforms). + if (!rule.ua && !rule.res) return false; + + // If our user agent string doesn't contain the indicated user agent string, + // the match fails. + if (rule.ua && ua.indexOf(rule.ua) < 0) return false; + + // If the rule specifies screen dimensions that don't correspond to ours, + // the match fails. + if (rule.res) { + if (!rule.res[0] || !rule.res[1]) return false; + var resX = rule.res[0]; + var resY = rule.res[1]; + // Compare min and max so as to make the order not matter, i.e., it should + // be true that 640x480 == 480x640. + if (Math.min(screenWidth, screenHeight) != Math.min(resX, resY) || + (Math.max(screenWidth, screenHeight) != Math.max(resX, resY))) { + return false; + } + } + + return true; +} + +function DeviceParams(params) { + this.xdpi = params.xdpi; + this.ydpi = params.ydpi; + this.bevelMm = params.bevelMm; +} + +module.exports = Dpdb; + +},{"../util.js":29,"./dpdb.json":17}],19:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +var Util = _dereq_('./util.js'); +var WebVRPolyfill = _dereq_('./webvr-polyfill.js').WebVRPolyfill; + +// Initialize a WebVRConfig just in case. +window.WebVRConfig = Util.extend({ + // Forces availability of VR mode, even for non-mobile devices. + FORCE_ENABLE_VR: false, + + // Complementary filter coefficient. 0 for accelerometer, 1 for gyro. + K_FILTER: 0.98, + + // How far into the future to predict during fast motion (in seconds). + PREDICTION_TIME_S: 0.040, + + // Flag to enable touch panner. In case you have your own touch controls. + TOUCH_PANNER_DISABLED: true, + + // Flag to disabled the UI in VR Mode. + CARDBOARD_UI_DISABLED: false, // Default: false + + // Flag to disable the instructions to rotate your device. + ROTATE_INSTRUCTIONS_DISABLED: false, // Default: false. + + // Enable yaw panning only, disabling roll and pitch. This can be useful + // for panoramas with nothing interesting above or below. + YAW_ONLY: false, + + // To disable keyboard and mouse controls, if you want to use your own + // implementation. + MOUSE_KEYBOARD_CONTROLS_DISABLED: false, + + // Prevent the polyfill from initializing immediately. Requires the app + // to call InitializeWebVRPolyfill() before it can be used. + DEFER_INITIALIZATION: false, + + // Enable the deprecated version of the API (navigator.getVRDevices). + ENABLE_DEPRECATED_API: false, + + // Scales the recommended buffer size reported by WebVR, which can improve + // performance. + // UPDATE(2016-05-03): Setting this to 0.5 by default since 1.0 does not + // perform well on many mobile devices. + BUFFER_SCALE: 0.5, + + // Allow VRDisplay.submitFrame to change gl bindings, which is more + // efficient if the application code will re-bind its resources on the + // next frame anyway. This has been seen to cause rendering glitches with + // THREE.js. + // Dirty bindings include: gl.FRAMEBUFFER_BINDING, gl.CURRENT_PROGRAM, + // gl.ARRAY_BUFFER_BINDING, gl.ELEMENT_ARRAY_BUFFER_BINDING, + // and gl.TEXTURE_BINDING_2D for texture unit 0. + DIRTY_SUBMIT_FRAME_BINDINGS: false, + + // When set to true, this will cause a polyfilled VRDisplay to always be + // appended to the list returned by navigator.getVRDisplays(), even if that + // list includes a native VRDisplay. + ALWAYS_APPEND_POLYFILL_DISPLAY: false, + + // There are versions of Chrome (M58-M60?) where the native WebVR API exists, + // and instead of returning 0 VR displays when none are detected, + // `navigator.getVRDisplays()`'s promise never resolves. This results + // in the polyfill hanging and not being able to provide fallback + // displays, so set a timeout in milliseconds to stop waiting for a response + // and just use polyfilled displays. + // https://bugs.chromium.org/p/chromium/issues/detail?id=727969 + GET_VR_DISPLAYS_TIMEOUT: 1000, +}, window.WebVRConfig); + +if (!window.WebVRConfig.DEFER_INITIALIZATION) { + new WebVRPolyfill(); +} else { + window.InitializeWebVRPolyfill = function() { + new WebVRPolyfill(); + } +} + +window.WebVRPolyfill = WebVRPolyfill; + +},{"./util.js":29,"./webvr-polyfill.js":32}],20:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var MathUtil = window.MathUtil || {}; + +MathUtil.degToRad = Math.PI / 180; +MathUtil.radToDeg = 180 / Math.PI; + +// Some minimal math functionality borrowed from THREE.Math and stripped down +// for the purposes of this library. + + +MathUtil.Vector2 = function ( x, y ) { + this.x = x || 0; + this.y = y || 0; +}; + +MathUtil.Vector2.prototype = { + constructor: MathUtil.Vector2, + + set: function ( x, y ) { + this.x = x; + this.y = y; + + return this; + }, + + copy: function ( v ) { + this.x = v.x; + this.y = v.y; + + return this; + }, + + subVectors: function ( a, b ) { + this.x = a.x - b.x; + this.y = a.y - b.y; + + return this; + }, +}; + +MathUtil.Vector3 = function ( x, y, z ) { + this.x = x || 0; + this.y = y || 0; + this.z = z || 0; +}; + +MathUtil.Vector3.prototype = { + constructor: MathUtil.Vector3, + + set: function ( x, y, z ) { + this.x = x; + this.y = y; + this.z = z; + + return this; + }, + + copy: function ( v ) { + this.x = v.x; + this.y = v.y; + this.z = v.z; + + return this; + }, + + length: function () { + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z ); + }, + + normalize: function () { + var scalar = this.length(); + + if ( scalar !== 0 ) { + var invScalar = 1 / scalar; + + this.multiplyScalar(invScalar); + } else { + this.x = 0; + this.y = 0; + this.z = 0; + } + + return this; + }, + + multiplyScalar: function ( scalar ) { + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + }, + + applyQuaternion: function ( q ) { + var x = this.x; + var y = this.y; + var z = this.z; + + var qx = q.x; + var qy = q.y; + var qz = q.z; + var 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; + }, + + dot: function ( v ) { + return this.x * v.x + this.y * v.y + this.z * v.z; + }, + + 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; + }, +}; + +MathUtil.Quaternion = function ( x, y, z, w ) { + this.x = x || 0; + this.y = y || 0; + this.z = z || 0; + this.w = ( w !== undefined ) ? w : 1; +}; + +MathUtil.Quaternion.prototype = { + constructor: MathUtil.Quaternion, + + set: function ( x, y, z, w ) { + this.x = x; + this.y = y; + this.z = z; + this.w = w; + + return this; + }, + + copy: function ( quaternion ) { + this.x = quaternion.x; + this.y = quaternion.y; + this.z = quaternion.z; + this.w = quaternion.w; + + return this; + }, + + setFromEulerXYZ: function( x, y, z ) { + 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 ); + + 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; + }, + + setFromEulerYXZ: function( x, y, z ) { + 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 ); + + 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; + }, + + 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 ); + + return this; + }, + + multiply: function ( q ) { + return this.multiplyQuaternions( this, q ); + }, + + 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; + + return this; + }, + + inverse: function () { + this.x *= -1; + this.y *= -1; + this.z *= -1; + + this.normalize(); + + return this; + }, + + 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 = 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; + } + + 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 halfTheta = Math.acos( cosHalfTheta ); + var sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta ); + + if ( Math.abs( sinHalfTheta ) < 0.001 ) { + this.w = 0.5 * ( w + this.w ); + this.x = 0.5 * ( x + this.x ); + this.y = 0.5 * ( y + this.y ); + this.z = 0.5 * ( z + this.z ); + + return this; + } + + 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 ); + + return this; + }, + + setFromUnitVectors: function () { + // http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final + // assumes direction vectors vFrom and vTo are normalized + + var v1, r; + var EPS = 0.000001; + + return function ( vFrom, vTo ) { + if ( v1 === undefined ) v1 = new MathUtil.Vector3(); + + r = vFrom.dot( vTo ) + 1; + + if ( r < EPS ) { + r = 0; + + if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { + v1.set( - vFrom.y, vFrom.x, 0 ); + } else { + v1.set( 0, - vFrom.z, vFrom.y ); + } + } else { + v1.crossVectors( vFrom, vTo ); + } + + this.x = v1.x; + this.y = v1.y; + this.z = v1.z; + this.w = r; + + this.normalize(); + + return this; + } + }(), +}; + +module.exports = MathUtil; + +},{}],21:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var VRDisplay = _dereq_('./base.js').VRDisplay; +var MathUtil = _dereq_('./math-util.js'); +var Util = _dereq_('./util.js'); + +// How much to rotate per key stroke. +var KEY_SPEED = 0.15; +var KEY_ANIMATION_DURATION = 80; + +// How much to rotate for mouse events. +var MOUSE_SPEED_X = 0.5; +var MOUSE_SPEED_Y = 0.3; + +/** + * VRDisplay based on mouse and keyboard input. Designed for desktops/laptops + * where orientation events aren't supported. Cannot present. + */ +function MouseKeyboardVRDisplay() { + this.displayName = 'Mouse and Keyboard VRDisplay (webvr-polyfill)'; + + this.capabilities.hasOrientation = true; + + // Attach to mouse and keyboard events. + window.addEventListener('keydown', this.onKeyDown_.bind(this)); + window.addEventListener('mousemove', this.onMouseMove_.bind(this)); + window.addEventListener('mousedown', this.onMouseDown_.bind(this)); + window.addEventListener('mouseup', this.onMouseUp_.bind(this)); + + // "Private" members. + this.phi_ = 0; + this.theta_ = 0; + + // Variables for keyboard-based rotation animation. + this.targetAngle_ = null; + this.angleAnimation_ = null; + + // State variables for calculations. + this.orientation_ = new MathUtil.Quaternion(); + + // Variables for mouse-based rotation. + this.rotateStart_ = new MathUtil.Vector2(); + this.rotateEnd_ = new MathUtil.Vector2(); + this.rotateDelta_ = new MathUtil.Vector2(); + this.isDragging_ = false; + + this.orientationOut_ = new Float32Array(4); +} +MouseKeyboardVRDisplay.prototype = new VRDisplay(); + +MouseKeyboardVRDisplay.prototype.getImmediatePose = function() { + this.orientation_.setFromEulerYXZ(this.phi_, this.theta_, 0); + + this.orientationOut_[0] = this.orientation_.x; + this.orientationOut_[1] = this.orientation_.y; + this.orientationOut_[2] = this.orientation_.z; + this.orientationOut_[3] = this.orientation_.w; + + return { + position: null, + orientation: this.orientationOut_, + linearVelocity: null, + linearAcceleration: null, + angularVelocity: null, + angularAcceleration: null + }; +}; + +MouseKeyboardVRDisplay.prototype.onKeyDown_ = function(e) { + // Track WASD and arrow keys. + if (e.keyCode == 38) { // Up key. + this.animatePhi_(this.phi_ + KEY_SPEED); + } else if (e.keyCode == 39) { // Right key. + this.animateTheta_(this.theta_ - KEY_SPEED); + } else if (e.keyCode == 40) { // Down key. + this.animatePhi_(this.phi_ - KEY_SPEED); + } else if (e.keyCode == 37) { // Left key. + this.animateTheta_(this.theta_ + KEY_SPEED); + } +}; + +MouseKeyboardVRDisplay.prototype.animateTheta_ = function(targetAngle) { + this.animateKeyTransitions_('theta_', targetAngle); +}; + +MouseKeyboardVRDisplay.prototype.animatePhi_ = function(targetAngle) { + // Prevent looking too far up or down. + targetAngle = Util.clamp(targetAngle, -Math.PI/2, Math.PI/2); + this.animateKeyTransitions_('phi_', targetAngle); +}; + +/** + * Start an animation to transition an angle from one value to another. + */ +MouseKeyboardVRDisplay.prototype.animateKeyTransitions_ = function(angleName, targetAngle) { + // If an animation is currently running, cancel it. + if (this.angleAnimation_) { + cancelAnimationFrame(this.angleAnimation_); + } + var startAngle = this[angleName]; + var startTime = new Date(); + // Set up an interval timer to perform the animation. + this.angleAnimation_ = requestAnimationFrame(function animate() { + // Once we're finished the animation, we're done. + var elapsed = new Date() - startTime; + if (elapsed >= KEY_ANIMATION_DURATION) { + this[angleName] = targetAngle; + cancelAnimationFrame(this.angleAnimation_); + return; + } + // loop with requestAnimationFrame + this.angleAnimation_ = requestAnimationFrame(animate.bind(this)) + // Linearly interpolate the angle some amount. + var percent = elapsed / KEY_ANIMATION_DURATION; + this[angleName] = startAngle + (targetAngle - startAngle) * percent; + }.bind(this)); +}; + +MouseKeyboardVRDisplay.prototype.onMouseDown_ = function(e) { + this.rotateStart_.set(e.clientX, e.clientY); + this.isDragging_ = true; +}; + +// Very similar to https://gist.github.com/mrflix/8351020 +MouseKeyboardVRDisplay.prototype.onMouseMove_ = function(e) { + if (!this.isDragging_ && !this.isPointerLocked_()) { + return; + } + // Support pointer lock API. + if (this.isPointerLocked_()) { + var movementX = e.movementX || e.mozMovementX || 0; + var movementY = e.movementY || e.mozMovementY || 0; + this.rotateEnd_.set(this.rotateStart_.x - movementX, this.rotateStart_.y - movementY); + } else { + this.rotateEnd_.set(e.clientX, e.clientY); + } + // Calculate how much we moved in mouse space. + this.rotateDelta_.subVectors(this.rotateEnd_, this.rotateStart_); + this.rotateStart_.copy(this.rotateEnd_); + + // Keep track of the cumulative euler angles. + this.phi_ += 2 * Math.PI * this.rotateDelta_.y / screen.height * MOUSE_SPEED_Y; + this.theta_ += 2 * Math.PI * this.rotateDelta_.x / screen.width * MOUSE_SPEED_X; + + // Prevent looking too far up or down. + this.phi_ = Util.clamp(this.phi_, -Math.PI/2, Math.PI/2); +}; + +MouseKeyboardVRDisplay.prototype.onMouseUp_ = function(e) { + this.isDragging_ = false; +}; + +MouseKeyboardVRDisplay.prototype.isPointerLocked_ = function() { + var el = document.pointerLockElement || document.mozPointerLockElement || + document.webkitPointerLockElement; + return el !== undefined; +}; + +MouseKeyboardVRDisplay.prototype.resetPose = function() { + this.phi_ = 0; + this.theta_ = 0; +}; + +module.exports = MouseKeyboardVRDisplay; + +},{"./base.js":9,"./math-util.js":20,"./util.js":29}],22:[function(_dereq_,module,exports){ +(function (global){ +// This is the entry point if requiring/importing via node, or +// a build tool that uses package.json entry (like browserify, webpack). +// If running in node with a window mock available, globalize its members +// if needed. Otherwise, just continue to `./main` +if (typeof global !== 'undefined' && global.window) { + global.document = global.window.document; + global.navigator = global.window.navigator; +} + +_dereq_('./main'); + +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"./main":19}],23:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Util = _dereq_('./util.js'); + +function RotateInstructions() { + this.loadIcon_(); + + var overlay = document.createElement('div'); + var s = overlay.style; + s.position = 'fixed'; + s.top = 0; + s.right = 0; + s.bottom = 0; + s.left = 0; + s.backgroundColor = 'gray'; + s.fontFamily = 'sans-serif'; + // Force this to be above the fullscreen canvas, which is at zIndex: 999999. + s.zIndex = 1000000; + + var img = document.createElement('img'); + img.src = this.icon; + var s = img.style; + s.marginLeft = '25%'; + s.marginTop = '25%'; + s.width = '50%'; + overlay.appendChild(img); + + var text = document.createElement('div'); + var s = text.style; + s.textAlign = 'center'; + s.fontSize = '16px'; + s.lineHeight = '24px'; + s.margin = '24px 25%'; + s.width = '50%'; + text.innerHTML = 'Place your phone into your Cardboard viewer.'; + overlay.appendChild(text); + + var snackbar = document.createElement('div'); + var s = snackbar.style; + s.backgroundColor = '#CFD8DC'; + s.position = 'fixed'; + s.bottom = 0; + s.width = '100%'; + s.height = '48px'; + s.padding = '14px 24px'; + s.boxSizing = 'border-box'; + s.color = '#656A6B'; + overlay.appendChild(snackbar); + + var snackbarText = document.createElement('div'); + snackbarText.style.float = 'left'; + snackbarText.innerHTML = 'No Cardboard viewer?'; + + var snackbarButton = document.createElement('a'); + snackbarButton.href = 'https://www.google.com/get/cardboard/get-cardboard/'; + snackbarButton.innerHTML = 'get one'; + snackbarButton.target = '_blank'; + var s = snackbarButton.style; + s.float = 'right'; + s.fontWeight = 600; + s.textTransform = 'uppercase'; + s.borderLeft = '1px solid gray'; + s.paddingLeft = '24px'; + s.textDecoration = 'none'; + s.color = '#656A6B'; + + snackbar.appendChild(snackbarText); + snackbar.appendChild(snackbarButton); + + this.overlay = overlay; + this.text = text; + + this.hide(); +} + +RotateInstructions.prototype.show = function(parent) { + if (!parent && !this.overlay.parentElement) { + document.body.appendChild(this.overlay); + } else if (parent) { + if (this.overlay.parentElement && this.overlay.parentElement != parent) + this.overlay.parentElement.removeChild(this.overlay); + + parent.appendChild(this.overlay); + } + + this.overlay.style.display = 'block'; + + var img = this.overlay.querySelector('img'); + var s = img.style; + + if (Util.isLandscapeMode()) { + s.width = '20%'; + s.marginLeft = '40%'; + s.marginTop = '3%'; + } else { + s.width = '50%'; + s.marginLeft = '25%'; + s.marginTop = '25%'; + } +}; + +RotateInstructions.prototype.hide = function() { + this.overlay.style.display = 'none'; +}; + +RotateInstructions.prototype.showTemporarily = function(ms, parent) { + this.show(parent); + this.timer = setTimeout(this.hide.bind(this), ms); +}; + +RotateInstructions.prototype.disableShowTemporarily = function() { + clearTimeout(this.timer); +}; + +RotateInstructions.prototype.update = function() { + this.disableShowTemporarily(); + // In portrait VR mode, tell the user to rotate to landscape. Otherwise, hide + // the instructions. + if (!Util.isLandscapeMode() && Util.isMobile()) { + this.show(); + } else { + this.hide(); + } +}; + +RotateInstructions.prototype.loadIcon_ = function() { + // Encoded asset_src/rotate-instructions.svg + this.icon = Util.base64('image/svg+xml', '<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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</svg>'); +}; + +module.exports = RotateInstructions; + +},{"./util.js":29}],24:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var SensorSample = _dereq_('./sensor-sample.js'); +var MathUtil = _dereq_('../math-util.js'); +var Util = _dereq_('../util.js'); + +/** + * An implementation of a simple complementary filter, which fuses gyroscope and + * accelerometer data from the 'devicemotion' event. + * + * Accelerometer data is very noisy, but stable over the long term. + * Gyroscope data is smooth, but tends to drift over the long term. + * + * This fusion is relatively simple: + * 1. Get orientation estimates from accelerometer by applying a low-pass filter + * on that data. + * 2. Get orientation estimates from gyroscope by integrating over time. + * 3. Combine the two estimates, weighing (1) in the long term, but (2) for the + * short term. + */ +function ComplementaryFilter(kFilter) { + this.kFilter = kFilter; + + // Raw sensor measurements. + this.currentAccelMeasurement = new SensorSample(); + this.currentGyroMeasurement = new SensorSample(); + this.previousGyroMeasurement = new SensorSample(); + + // Set default look direction to be in the correct direction. + if (Util.isIOS()) { + this.filterQ = new MathUtil.Quaternion(-1, 0, 0, 1); + } else { + this.filterQ = new MathUtil.Quaternion(1, 0, 0, 1); + } + this.previousFilterQ = new MathUtil.Quaternion(); + this.previousFilterQ.copy(this.filterQ); + + // Orientation based on the accelerometer. + this.accelQ = new MathUtil.Quaternion(); + // Whether or not the orientation has been initialized. + this.isOrientationInitialized = false; + // Running estimate of gravity based on the current orientation. + this.estimatedGravity = new MathUtil.Vector3(); + // Measured gravity based on accelerometer. + this.measuredGravity = new MathUtil.Vector3(); + + // Debug only quaternion of gyro-based orientation. + this.gyroIntegralQ = new MathUtil.Quaternion(); +} + +ComplementaryFilter.prototype.addAccelMeasurement = function(vector, timestampS) { + this.currentAccelMeasurement.set(vector, timestampS); +}; + +ComplementaryFilter.prototype.addGyroMeasurement = function(vector, timestampS) { + this.currentGyroMeasurement.set(vector, timestampS); + + var deltaT = timestampS - this.previousGyroMeasurement.timestampS; + if (Util.isTimestampDeltaValid(deltaT)) { + this.run_(); + } + + this.previousGyroMeasurement.copy(this.currentGyroMeasurement); +}; + +ComplementaryFilter.prototype.run_ = function() { + + if (!this.isOrientationInitialized) { + this.accelQ = this.accelToQuaternion_(this.currentAccelMeasurement.sample); + this.previousFilterQ.copy(this.accelQ); + this.isOrientationInitialized = true; + return; + } + + var deltaT = this.currentGyroMeasurement.timestampS - + this.previousGyroMeasurement.timestampS; + + // Convert gyro rotation vector to a quaternion delta. + var gyroDeltaQ = this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample, deltaT); + this.gyroIntegralQ.multiply(gyroDeltaQ); + + // filter_1 = K * (filter_0 + gyro * dT) + (1 - K) * accel. + this.filterQ.copy(this.previousFilterQ); + this.filterQ.multiply(gyroDeltaQ); + + // Calculate the delta between the current estimated gravity and the real + // gravity vector from accelerometer. + var invFilterQ = new MathUtil.Quaternion(); + invFilterQ.copy(this.filterQ); + invFilterQ.inverse(); + + this.estimatedGravity.set(0, 0, -1); + this.estimatedGravity.applyQuaternion(invFilterQ); + this.estimatedGravity.normalize(); + + this.measuredGravity.copy(this.currentAccelMeasurement.sample); + this.measuredGravity.normalize(); + + // Compare estimated gravity with measured gravity, get the delta quaternion + // between the two. + var deltaQ = new MathUtil.Quaternion(); + deltaQ.setFromUnitVectors(this.estimatedGravity, this.measuredGravity); + deltaQ.inverse(); + + if (Util.isDebug()) { + console.log('Delta: %d deg, G_est: (%s, %s, %s), G_meas: (%s, %s, %s)', + MathUtil.radToDeg * Util.getQuaternionAngle(deltaQ), + (this.estimatedGravity.x).toFixed(1), + (this.estimatedGravity.y).toFixed(1), + (this.estimatedGravity.z).toFixed(1), + (this.measuredGravity.x).toFixed(1), + (this.measuredGravity.y).toFixed(1), + (this.measuredGravity.z).toFixed(1)); + } + + // Calculate the SLERP target: current orientation plus the measured-estimated + // quaternion delta. + var targetQ = new MathUtil.Quaternion(); + targetQ.copy(this.filterQ); + targetQ.multiply(deltaQ); + + // SLERP factor: 0 is pure gyro, 1 is pure accel. + this.filterQ.slerp(targetQ, 1 - this.kFilter); + + this.previousFilterQ.copy(this.filterQ); +}; + +ComplementaryFilter.prototype.getOrientation = function() { + return this.filterQ; +}; + +ComplementaryFilter.prototype.accelToQuaternion_ = function(accel) { + var normAccel = new MathUtil.Vector3(); + normAccel.copy(accel); + normAccel.normalize(); + var quat = new MathUtil.Quaternion(); + quat.setFromUnitVectors(new MathUtil.Vector3(0, 0, -1), normAccel); + quat.inverse(); + return quat; +}; + +ComplementaryFilter.prototype.gyroToQuaternionDelta_ = function(gyro, dt) { + // Extract axis and angle from the gyroscope data. + var quat = new MathUtil.Quaternion(); + var axis = new MathUtil.Vector3(); + axis.copy(gyro); + axis.normalize(); + quat.setFromAxisAngle(axis, gyro.length() * dt); + return quat; +}; + + +module.exports = ComplementaryFilter; + +},{"../math-util.js":20,"../util.js":29,"./sensor-sample.js":27}],25:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +var ComplementaryFilter = _dereq_('./complementary-filter.js'); +var PosePredictor = _dereq_('./pose-predictor.js'); +var TouchPanner = _dereq_('../touch-panner.js'); +var MathUtil = _dereq_('../math-util.js'); +var Util = _dereq_('../util.js'); + +/** + * The pose sensor, implemented using DeviceMotion APIs. + */ +function FusionPoseSensor() { + this.deviceId = 'webvr-polyfill:fused'; + this.deviceName = 'VR Position Device (webvr-polyfill:fused)'; + + this.accelerometer = new MathUtil.Vector3(); + this.gyroscope = new MathUtil.Vector3(); + + this.start(); + + this.filter = new ComplementaryFilter(window.WebVRConfig.K_FILTER); + this.posePredictor = new PosePredictor(window.WebVRConfig.PREDICTION_TIME_S); + this.touchPanner = new TouchPanner(); + + this.filterToWorldQ = new MathUtil.Quaternion(); + + // Set the filter to world transform, depending on OS. + if (Util.isIOS()) { + this.filterToWorldQ.setFromAxisAngle(new MathUtil.Vector3(1, 0, 0), Math.PI / 2); + } else { + this.filterToWorldQ.setFromAxisAngle(new MathUtil.Vector3(1, 0, 0), -Math.PI / 2); + } + + this.inverseWorldToScreenQ = new MathUtil.Quaternion(); + this.worldToScreenQ = new MathUtil.Quaternion(); + this.originalPoseAdjustQ = new MathUtil.Quaternion(); + this.originalPoseAdjustQ.setFromAxisAngle(new MathUtil.Vector3(0, 0, 1), + -window.orientation * Math.PI / 180); + + this.setScreenTransform_(); + // Adjust this filter for being in landscape mode. + if (Util.isLandscapeMode()) { + this.filterToWorldQ.multiply(this.inverseWorldToScreenQ); + } + + // Keep track of a reset transform for resetSensor. + this.resetQ = new MathUtil.Quaternion(); + + this.isFirefoxAndroid = Util.isFirefoxAndroid(); + this.isIOS = Util.isIOS(); + + this.orientationOut_ = new Float32Array(4); +} + +FusionPoseSensor.prototype.getPosition = function() { + // This PoseSensor doesn't support position + return null; +}; + +FusionPoseSensor.prototype.getOrientation = function() { + // Convert from filter space to the the same system used by the + // deviceorientation event. + var orientation = this.filter.getOrientation(); + + // Predict orientation. + this.predictedQ = this.posePredictor.getPrediction(orientation, this.gyroscope, this.previousTimestampS); + + // Convert to THREE coordinate system: -Z forward, Y up, X right. + var out = new MathUtil.Quaternion(); + out.copy(this.filterToWorldQ); + out.multiply(this.resetQ); + if (!window.WebVRConfig.TOUCH_PANNER_DISABLED) { + out.multiply(this.touchPanner.getOrientation()); + } + out.multiply(this.predictedQ); + out.multiply(this.worldToScreenQ); + + // Handle the yaw-only case. + if (window.WebVRConfig.YAW_ONLY) { + // Make a quaternion that only turns around the Y-axis. + out.x = 0; + out.z = 0; + out.normalize(); + } + + this.orientationOut_[0] = out.x; + this.orientationOut_[1] = out.y; + this.orientationOut_[2] = out.z; + this.orientationOut_[3] = out.w; + return this.orientationOut_; +}; + +FusionPoseSensor.prototype.resetPose = function() { + // Reduce to inverted yaw-only. + this.resetQ.copy(this.filter.getOrientation()); + this.resetQ.x = 0; + this.resetQ.y = 0; + this.resetQ.z *= -1; + this.resetQ.normalize(); + + // Take into account extra transformations in landscape mode. + if (Util.isLandscapeMode()) { + this.resetQ.multiply(this.inverseWorldToScreenQ); + } + + // Take into account original pose. + this.resetQ.multiply(this.originalPoseAdjustQ); + + if (!window.WebVRConfig.TOUCH_PANNER_DISABLED) { + this.touchPanner.resetSensor(); + } +}; + +FusionPoseSensor.prototype.onDeviceMotion_ = function(deviceMotion) { + this.updateDeviceMotion_(deviceMotion); +}; + +FusionPoseSensor.prototype.updateDeviceMotion_ = function(deviceMotion) { + var accGravity = deviceMotion.accelerationIncludingGravity; + var rotRate = deviceMotion.rotationRate; + var timestampS = deviceMotion.timeStamp / 1000; + + var deltaS = timestampS - this.previousTimestampS; + if (deltaS <= Util.MIN_TIMESTEP || deltaS > Util.MAX_TIMESTEP) { + console.warn('Invalid timestamps detected. Time step between successive ' + + 'gyroscope sensor samples is very small or not monotonic'); + this.previousTimestampS = timestampS; + return; + } + + this.accelerometer.set(-accGravity.x, -accGravity.y, -accGravity.z); + if (Util.isR7()) { + this.gyroscope.set(-rotRate.beta, rotRate.alpha, rotRate.gamma); + } else { + this.gyroscope.set(rotRate.alpha, rotRate.beta, rotRate.gamma); + } + + // With iOS and Firefox Android, rotationRate is reported in degrees, + // so we first convert to radians. + if (this.isIOS || this.isFirefoxAndroid) { + this.gyroscope.multiplyScalar(Math.PI / 180); + } + + this.filter.addAccelMeasurement(this.accelerometer, timestampS); + this.filter.addGyroMeasurement(this.gyroscope, timestampS); + + this.previousTimestampS = timestampS; +}; + +FusionPoseSensor.prototype.onOrientationChange_ = function(screenOrientation) { + this.setScreenTransform_(); +}; + +/** + * This is only needed if we are in an cross origin iframe on iOS to work around + * this issue: https://bugs.webkit.org/show_bug.cgi?id=152299. + */ +FusionPoseSensor.prototype.onMessage_ = function(event) { + var message = event.data; + + // If there's no message type, ignore it. + if (!message || !message.type) { + return; + } + + // Ignore all messages that aren't devicemotion. + var type = message.type.toLowerCase(); + if (type !== 'devicemotion') { + return; + } + + // Update device motion. + this.updateDeviceMotion_(message.deviceMotionEvent); +}; + +FusionPoseSensor.prototype.setScreenTransform_ = function() { + this.worldToScreenQ.set(0, 0, 0, 1); + switch (window.orientation) { + case 0: + break; + case 90: + this.worldToScreenQ.setFromAxisAngle(new MathUtil.Vector3(0, 0, 1), -Math.PI / 2); + break; + case -90: + this.worldToScreenQ.setFromAxisAngle(new MathUtil.Vector3(0, 0, 1), Math.PI / 2); + break; + case 180: + // TODO. + break; + } + this.inverseWorldToScreenQ.copy(this.worldToScreenQ); + this.inverseWorldToScreenQ.inverse(); +}; + +FusionPoseSensor.prototype.start = function() { + this.onDeviceMotionCallback_ = this.onDeviceMotion_.bind(this); + this.onOrientationChangeCallback_ = this.onOrientationChange_.bind(this); + this.onMessageCallback_ = this.onMessage_.bind(this); + + // Only listen for postMessages if we're in an iOS and embedded inside a cross + // domain IFrame. In this case, the polyfill can still work if the containing + // page sends synthetic devicemotion events. For an example of this, see + // iframe-message-sender.js in VR View: https://goo.gl/XDtvFZ + if (Util.isIOS() && Util.isInsideCrossDomainIFrame()) { + window.addEventListener('message', this.onMessageCallback_); + } + window.addEventListener('orientationchange', this.onOrientationChangeCallback_); + window.addEventListener('devicemotion', this.onDeviceMotionCallback_); +}; + +FusionPoseSensor.prototype.stop = function() { + window.removeEventListener('devicemotion', this.onDeviceMotionCallback_); + window.removeEventListener('orientationchange', this.onOrientationChangeCallback_); + window.removeEventListener('message', this.onMessageCallback_); +}; + +module.exports = FusionPoseSensor; + +},{"../math-util.js":20,"../touch-panner.js":28,"../util.js":29,"./complementary-filter.js":24,"./pose-predictor.js":26}],26:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +var MathUtil = _dereq_('../math-util'); +var Util = _dereq_('../util'); + +/** + * Given an orientation and the gyroscope data, predicts the future orientation + * of the head. This makes rendering appear faster. + * + * Also see: http://msl.cs.uiuc.edu/~lavalle/papers/LavYerKatAnt14.pdf + * + * @param {Number} predictionTimeS time from head movement to the appearance of + * the corresponding image. + */ +function PosePredictor(predictionTimeS) { + this.predictionTimeS = predictionTimeS; + + // The quaternion corresponding to the previous state. + this.previousQ = new MathUtil.Quaternion(); + // Previous time a prediction occurred. + this.previousTimestampS = null; + + // The delta quaternion that adjusts the current pose. + this.deltaQ = new MathUtil.Quaternion(); + // The output quaternion. + this.outQ = new MathUtil.Quaternion(); +} + +PosePredictor.prototype.getPrediction = function(currentQ, gyro, timestampS) { + if (!this.previousTimestampS) { + this.previousQ.copy(currentQ); + this.previousTimestampS = timestampS; + return currentQ; + } + + // Calculate axis and angle based on gyroscope rotation rate data. + var axis = new MathUtil.Vector3(); + axis.copy(gyro); + axis.normalize(); + + var angularSpeed = gyro.length(); + + // If we're rotating slowly, don't do prediction. + if (angularSpeed < MathUtil.degToRad * 20) { + if (Util.isDebug()) { + console.log('Moving slowly, at %s deg/s: no prediction', + (MathUtil.radToDeg * angularSpeed).toFixed(1)); + } + this.outQ.copy(currentQ); + this.previousQ.copy(currentQ); + return this.outQ; + } + + // Get the predicted angle based on the time delta and latency. + var deltaT = timestampS - this.previousTimestampS; + var predictAngle = angularSpeed * this.predictionTimeS; + + this.deltaQ.setFromAxisAngle(axis, predictAngle); + this.outQ.copy(this.previousQ); + this.outQ.multiply(this.deltaQ); + + this.previousQ.copy(currentQ); + this.previousTimestampS = timestampS; + + return this.outQ; +}; + + +module.exports = PosePredictor; + +},{"../math-util":20,"../util":29}],27:[function(_dereq_,module,exports){ +function SensorSample(sample, timestampS) { + this.set(sample, timestampS); +}; + +SensorSample.prototype.set = function(sample, timestampS) { + this.sample = sample; + this.timestampS = timestampS; +}; + +SensorSample.prototype.copy = function(sensorSample) { + this.set(sensorSample.sample, sensorSample.timestampS); +}; + +module.exports = SensorSample; + +},{}],28:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +var MathUtil = _dereq_('./math-util.js'); +var Util = _dereq_('./util.js'); + +var ROTATE_SPEED = 0.5; +/** + * Provides a quaternion responsible for pre-panning the scene before further + * transformations due to device sensors. + */ +function TouchPanner() { + window.addEventListener('touchstart', this.onTouchStart_.bind(this)); + window.addEventListener('touchmove', this.onTouchMove_.bind(this)); + window.addEventListener('touchend', this.onTouchEnd_.bind(this)); + + this.isTouching = false; + this.rotateStart = new MathUtil.Vector2(); + this.rotateEnd = new MathUtil.Vector2(); + this.rotateDelta = new MathUtil.Vector2(); + + this.theta = 0; + this.orientation = new MathUtil.Quaternion(); +} + +TouchPanner.prototype.getOrientation = function() { + this.orientation.setFromEulerXYZ(0, 0, this.theta); + return this.orientation; +}; + +TouchPanner.prototype.resetSensor = function() { + this.theta = 0; +}; + +TouchPanner.prototype.onTouchStart_ = function(e) { + // Only respond if there is exactly one touch. + // Note that the Daydream controller passes in a `touchstart` event with + // no `touches` property, so we must check for that case too. + if (!e.touches || e.touches.length != 1) { + return; + } + this.rotateStart.set(e.touches[0].pageX, e.touches[0].pageY); + this.isTouching = true; +}; + +TouchPanner.prototype.onTouchMove_ = function(e) { + if (!this.isTouching) { + return; + } + this.rotateEnd.set(e.touches[0].pageX, e.touches[0].pageY); + this.rotateDelta.subVectors(this.rotateEnd, this.rotateStart); + this.rotateStart.copy(this.rotateEnd); + + // On iOS, direction is inverted. + if (Util.isIOS()) { + this.rotateDelta.x *= -1; + } + + var element = document.body; + this.theta += 2 * Math.PI * this.rotateDelta.x / element.clientWidth * ROTATE_SPEED; +}; + +TouchPanner.prototype.onTouchEnd_ = function(e) { + this.isTouching = false; +}; + +module.exports = TouchPanner; + +},{"./math-util.js":20,"./util.js":29}],29:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Util = window.Util || {}; + +Util.MIN_TIMESTEP = 0.001; +Util.MAX_TIMESTEP = 1; + +Util.base64 = function(mimeType, base64) { + return 'data:' + mimeType + ';base64,' + base64; +}; + +Util.clamp = function(value, min, max) { + return Math.min(Math.max(min, value), max); +}; + +Util.lerp = function(a, b, t) { + return a + ((b - a) * t); +}; + +/** + * Light polyfill for `Promise.race`. Returns + * a promise that resolves when the first promise + * provided resolves. + * + * @param {Array} promises + */ +Util.race = function(promises) { + if (Promise.race) { + return Promise.race(promises); + } + + return new Promise(function (resolve, reject) { + for (var i = 0; i < promises.length; i++) { + promises[i].then(resolve, reject); + } + }); +}; + +Util.isIOS = (function() { + var isIOS = /iPad|iPhone|iPod/.test(navigator.platform); + return function() { + return isIOS; + }; +})(); + +Util.isWebViewAndroid = (function() { + var isWebViewAndroid = navigator.userAgent.indexOf('Version') !== -1 && + navigator.userAgent.indexOf('Android') !== -1 && + navigator.userAgent.indexOf('Chrome') !== -1; + return function() { + return isWebViewAndroid; + }; +})(); + +Util.isSafari = (function() { + var isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent); + return function() { + return isSafari; + }; +})(); + +Util.isFirefoxAndroid = (function() { + var isFirefoxAndroid = navigator.userAgent.indexOf('Firefox') !== -1 && + navigator.userAgent.indexOf('Android') !== -1; + return function() { + return isFirefoxAndroid; + }; +})(); + +Util.isR7 = (function() { + var isR7 = navigator.userAgent.indexOf('R7 Build') !== -1; + return function() { + return isR7; + }; +})(); + +Util.isLandscapeMode = function() { + var rtn = (window.orientation == 90 || window.orientation == -90); + return Util.isR7() ? !rtn : rtn; +}; + +// Helper method to validate the time steps of sensor timestamps. +Util.isTimestampDeltaValid = function(timestampDeltaS) { + if (isNaN(timestampDeltaS)) { + return false; + } + if (timestampDeltaS <= Util.MIN_TIMESTEP) { + return false; + } + if (timestampDeltaS > Util.MAX_TIMESTEP) { + return false; + } + return true; +}; + +Util.getScreenWidth = function() { + return Math.max(window.screen.width, window.screen.height) * + window.devicePixelRatio; +}; + +Util.getScreenHeight = function() { + return Math.min(window.screen.width, window.screen.height) * + window.devicePixelRatio; +}; + +Util.requestFullscreen = function(element) { + if (Util.isWebViewAndroid()) { + return false; + } + if (element.requestFullscreen) { + element.requestFullscreen(); + } else if (element.webkitRequestFullscreen) { + element.webkitRequestFullscreen(); + } else if (element.mozRequestFullScreen) { + element.mozRequestFullScreen(); + } else if (element.msRequestFullscreen) { + element.msRequestFullscreen(); + } else { + return false; + } + + return true; +}; + +Util.exitFullscreen = function() { + if (document.exitFullscreen) { + document.exitFullscreen(); + } else if (document.webkitExitFullscreen) { + document.webkitExitFullscreen(); + } else if (document.mozCancelFullScreen) { + document.mozCancelFullScreen(); + } else if (document.msExitFullscreen) { + document.msExitFullscreen(); + } else { + return false; + } + + return true; +}; + +Util.getFullscreenElement = function() { + return document.fullscreenElement || + document.webkitFullscreenElement || + document.mozFullScreenElement || + document.msFullscreenElement; +}; + +Util.linkProgram = function(gl, vertexSource, fragmentSource, attribLocationMap) { + // No error checking for brevity. + var vertexShader = gl.createShader(gl.VERTEX_SHADER); + gl.shaderSource(vertexShader, vertexSource); + gl.compileShader(vertexShader); + + var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER); + gl.shaderSource(fragmentShader, fragmentSource); + gl.compileShader(fragmentShader); + + var program = gl.createProgram(); + gl.attachShader(program, vertexShader); + gl.attachShader(program, fragmentShader); + + for (var attribName in attribLocationMap) + gl.bindAttribLocation(program, attribLocationMap[attribName], attribName); + + gl.linkProgram(program); + + gl.deleteShader(vertexShader); + gl.deleteShader(fragmentShader); + + return program; +}; + +Util.getProgramUniforms = function(gl, program) { + var uniforms = {}; + var uniformCount = gl.getProgramParameter(program, gl.ACTIVE_UNIFORMS); + var uniformName = ''; + for (var i = 0; i < uniformCount; i++) { + var uniformInfo = gl.getActiveUniform(program, i); + uniformName = uniformInfo.name.replace('[0]', ''); + uniforms[uniformName] = gl.getUniformLocation(program, uniformName); + } + return uniforms; +}; + +Util.orthoMatrix = function (out, left, right, bottom, top, near, far) { + var lr = 1 / (left - right), + bt = 1 / (bottom - top), + nf = 1 / (near - far); + out[0] = -2 * lr; + out[1] = 0; + out[2] = 0; + out[3] = 0; + out[4] = 0; + out[5] = -2 * bt; + out[6] = 0; + out[7] = 0; + out[8] = 0; + out[9] = 0; + out[10] = 2 * nf; + out[11] = 0; + out[12] = (left + right) * lr; + out[13] = (top + bottom) * bt; + out[14] = (far + near) * nf; + out[15] = 1; + return out; +}; + +Util.copyArray = function (source, dest) { + for (var i = 0, n = source.length; i < n; i++) { + dest[i] = source[i]; + } +}; + +Util.isMobile = function() { + var check = false; + (function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))check = true})(navigator.userAgent||navigator.vendor||window.opera); + return check; +}; + +Util.extend = function(dest, src) { + for (var key in src) { + if (src.hasOwnProperty(key)) { + dest[key] = src[key]; + } + } + + return dest; +} + +Util.safariCssSizeWorkaround = function(canvas) { + // TODO(smus): Remove this workaround when Safari for iOS is fixed. + // iOS only workaround (for https://bugs.webkit.org/show_bug.cgi?id=152556). + // + // "To the last I grapple with thee; + // from hell's heart I stab at thee; + // for hate's sake I spit my last breath at thee." + // -- Moby Dick, by Herman Melville + if (Util.isIOS()) { + var width = canvas.style.width; + var height = canvas.style.height; + canvas.style.width = (parseInt(width) + 1) + 'px'; + canvas.style.height = (parseInt(height)) + 'px'; + setTimeout(function() { + canvas.style.width = width; + canvas.style.height = height; + }, 100); + } + + // Debug only. + window.Util = Util; + window.canvas = canvas; +}; + +Util.isDebug = function() { + return Util.getQueryParameter('debug'); +}; + +Util.getQueryParameter = function(name) { + var name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]"); + var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"), + results = regex.exec(location.search); + return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " ")); +}; + +Util.frameDataFromPose = (function() { + var piOver180 = Math.PI / 180.0; + var rad45 = Math.PI * 0.25; + + // Borrowed from glMatrix. + function mat4_perspectiveFromFieldOfView(out, fov, near, far) { + var upTan = Math.tan(fov ? (fov.upDegrees * piOver180) : rad45), + downTan = Math.tan(fov ? (fov.downDegrees * piOver180) : rad45), + leftTan = Math.tan(fov ? (fov.leftDegrees * piOver180) : rad45), + rightTan = Math.tan(fov ? (fov.rightDegrees * piOver180) : rad45), + xScale = 2.0 / (leftTan + rightTan), + yScale = 2.0 / (upTan + downTan); + + out[0] = xScale; + out[1] = 0.0; + out[2] = 0.0; + out[3] = 0.0; + out[4] = 0.0; + out[5] = yScale; + out[6] = 0.0; + out[7] = 0.0; + out[8] = -((leftTan - rightTan) * xScale * 0.5); + out[9] = ((upTan - downTan) * yScale * 0.5); + out[10] = far / (near - far); + out[11] = -1.0; + out[12] = 0.0; + out[13] = 0.0; + out[14] = (far * near) / (near - far); + out[15] = 0.0; + return out; + } + + function mat4_fromRotationTranslation(out, q, v) { + // Quaternion math + var x = q[0], y = q[1], z = q[2], w = q[3], + x2 = x + x, + y2 = y + y, + z2 = z + z, + + xx = x * x2, + xy = x * y2, + xz = x * z2, + yy = y * y2, + yz = y * z2, + zz = z * z2, + wx = w * x2, + wy = w * y2, + wz = w * z2; + + out[0] = 1 - (yy + zz); + out[1] = xy + wz; + out[2] = xz - wy; + out[3] = 0; + out[4] = xy - wz; + out[5] = 1 - (xx + zz); + out[6] = yz + wx; + out[7] = 0; + out[8] = xz + wy; + out[9] = yz - wx; + out[10] = 1 - (xx + yy); + out[11] = 0; + out[12] = v[0]; + out[13] = v[1]; + out[14] = v[2]; + out[15] = 1; + + return out; + }; + + function mat4_translate(out, a, v) { + var x = v[0], y = v[1], z = v[2], + a00, a01, a02, a03, + a10, a11, a12, a13, + a20, a21, a22, a23; + + if (a === out) { + out[12] = a[0] * x + a[4] * y + a[8] * z + a[12]; + out[13] = a[1] * x + a[5] * y + a[9] * z + a[13]; + out[14] = a[2] * x + a[6] * y + a[10] * z + a[14]; + out[15] = a[3] * x + a[7] * y + a[11] * z + a[15]; + } else { + a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3]; + a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7]; + a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11]; + + out[0] = a00; out[1] = a01; out[2] = a02; out[3] = a03; + out[4] = a10; out[5] = a11; out[6] = a12; out[7] = a13; + out[8] = a20; out[9] = a21; out[10] = a22; out[11] = a23; + + out[12] = a00 * x + a10 * y + a20 * z + a[12]; + out[13] = a01 * x + a11 * y + a21 * z + a[13]; + out[14] = a02 * x + a12 * y + a22 * z + a[14]; + out[15] = a03 * x + a13 * y + a23 * z + a[15]; + } + + return out; + }; + + function mat4_invert(out, a) { + var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3], + a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7], + a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11], + a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15], + + b00 = a00 * a11 - a01 * a10, + b01 = a00 * a12 - a02 * a10, + b02 = a00 * a13 - a03 * a10, + b03 = a01 * a12 - a02 * a11, + b04 = a01 * a13 - a03 * a11, + b05 = a02 * a13 - a03 * a12, + b06 = a20 * a31 - a21 * a30, + b07 = a20 * a32 - a22 * a30, + b08 = a20 * a33 - a23 * a30, + b09 = a21 * a32 - a22 * a31, + b10 = a21 * a33 - a23 * a31, + b11 = a22 * a33 - a23 * a32, + + // Calculate the determinant + det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06; + + if (!det) { + return null; + } + det = 1.0 / det; + + out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det; + out[1] = (a02 * b10 - a01 * b11 - a03 * b09) * det; + out[2] = (a31 * b05 - a32 * b04 + a33 * b03) * det; + out[3] = (a22 * b04 - a21 * b05 - a23 * b03) * det; + out[4] = (a12 * b08 - a10 * b11 - a13 * b07) * det; + out[5] = (a00 * b11 - a02 * b08 + a03 * b07) * det; + out[6] = (a32 * b02 - a30 * b05 - a33 * b01) * det; + out[7] = (a20 * b05 - a22 * b02 + a23 * b01) * det; + out[8] = (a10 * b10 - a11 * b08 + a13 * b06) * det; + out[9] = (a01 * b08 - a00 * b10 - a03 * b06) * det; + out[10] = (a30 * b04 - a31 * b02 + a33 * b00) * det; + out[11] = (a21 * b02 - a20 * b04 - a23 * b00) * det; + out[12] = (a11 * b07 - a10 * b09 - a12 * b06) * det; + out[13] = (a00 * b09 - a01 * b07 + a02 * b06) * det; + out[14] = (a31 * b01 - a30 * b03 - a32 * b00) * det; + out[15] = (a20 * b03 - a21 * b01 + a22 * b00) * det; + + return out; + }; + + var defaultOrientation = new Float32Array([0, 0, 0, 1]); + var defaultPosition = new Float32Array([0, 0, 0]); + + function updateEyeMatrices(projection, view, pose, parameters, vrDisplay) { + mat4_perspectiveFromFieldOfView(projection, parameters ? parameters.fieldOfView : null, vrDisplay.depthNear, vrDisplay.depthFar); + + var orientation = pose.orientation || defaultOrientation; + var position = pose.position || defaultPosition; + + mat4_fromRotationTranslation(view, orientation, position); + if (parameters) + mat4_translate(view, view, parameters.offset); + mat4_invert(view, view); + } + + return function(frameData, pose, vrDisplay) { + if (!frameData || !pose) + return false; + + frameData.pose = pose; + frameData.timestamp = pose.timestamp; + + updateEyeMatrices( + frameData.leftProjectionMatrix, frameData.leftViewMatrix, + pose, vrDisplay.getEyeParameters("left"), vrDisplay); + updateEyeMatrices( + frameData.rightProjectionMatrix, frameData.rightViewMatrix, + pose, vrDisplay.getEyeParameters("right"), vrDisplay); + + return true; + }; +})(); + +Util.isInsideCrossDomainIFrame = function() { + var isFramed = (window.self !== window.top); + var refDomain = Util.getDomainFromUrl(document.referrer); + var thisDomain = Util.getDomainFromUrl(window.location.href); + + return isFramed && (refDomain !== thisDomain); +}; + +// From http://stackoverflow.com/a/23945027. +Util.getDomainFromUrl = function(url) { + var domain; + // Find & remove protocol (http, ftp, etc.) and get domain. + if (url.indexOf("://") > -1) { + domain = url.split('/')[2]; + } + else { + domain = url.split('/')[0]; + } + + //find & remove port number + domain = domain.split(':')[0]; + + return domain; +} + +module.exports = Util; + +},{}],30:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var DeviceInfo = _dereq_('./device-info.js'); +var Util = _dereq_('./util.js'); + +var DEFAULT_VIEWER = 'CardboardV1'; +var VIEWER_KEY = 'WEBVR_CARDBOARD_VIEWER'; +var CLASS_NAME = 'webvr-polyfill-viewer-selector'; + +/** + * Creates a viewer selector with the options specified. Supports being shown + * and hidden. Generates events when viewer parameters change. Also supports + * saving the currently selected index in localStorage. + */ +function ViewerSelector() { + // Try to load the selected key from local storage. + try { + this.selectedKey = localStorage.getItem(VIEWER_KEY); + } catch (error) { + console.error('Failed to load viewer profile: %s', error); + } + + //If none exists, or if localstorage is unavailable, use the default key. + if (!this.selectedKey) { + this.selectedKey = DEFAULT_VIEWER; + } + + this.dialog = this.createDialog_(DeviceInfo.Viewers); + this.root = null; + this.onChangeCallbacks_ = []; +} + +ViewerSelector.prototype.show = function(root) { + this.root = root; + + root.appendChild(this.dialog); + + // Ensure the currently selected item is checked. + var selected = this.dialog.querySelector('#' + this.selectedKey); + selected.checked = true; + + // Show the UI. + this.dialog.style.display = 'block'; +}; + +ViewerSelector.prototype.hide = function() { + if (this.root && this.root.contains(this.dialog)) { + this.root.removeChild(this.dialog); + } + this.dialog.style.display = 'none'; +}; + +ViewerSelector.prototype.getCurrentViewer = function() { + return DeviceInfo.Viewers[this.selectedKey]; +}; + +ViewerSelector.prototype.getSelectedKey_ = function() { + var input = this.dialog.querySelector('input[name=field]:checked'); + if (input) { + return input.id; + } + return null; +}; + +ViewerSelector.prototype.onChange = function(cb) { + this.onChangeCallbacks_.push(cb); +}; + +ViewerSelector.prototype.fireOnChange_ = function(viewer) { + for (var i = 0; i < this.onChangeCallbacks_.length; i++) { + this.onChangeCallbacks_[i](viewer); + } +}; + +ViewerSelector.prototype.onSave_ = function() { + this.selectedKey = this.getSelectedKey_(); + if (!this.selectedKey || !DeviceInfo.Viewers[this.selectedKey]) { + console.error('ViewerSelector.onSave_: this should never happen!'); + return; + } + + this.fireOnChange_(DeviceInfo.Viewers[this.selectedKey]); + + // Attempt to save the viewer profile, but fails in private mode. + try { + localStorage.setItem(VIEWER_KEY, this.selectedKey); + } catch(error) { + console.error('Failed to save viewer profile: %s', error); + } + this.hide(); +}; + +/** + * Creates the dialog. + */ +ViewerSelector.prototype.createDialog_ = function(options) { + var container = document.createElement('div'); + container.classList.add(CLASS_NAME); + container.style.display = 'none'; + // Create an overlay that dims the background, and which goes away when you + // tap it. + var overlay = document.createElement('div'); + var s = overlay.style; + s.position = 'fixed'; + s.left = 0; + s.top = 0; + s.width = '100%'; + s.height = '100%'; + s.background = 'rgba(0, 0, 0, 0.3)'; + overlay.addEventListener('click', this.hide.bind(this)); + + var width = 280; + var dialog = document.createElement('div'); + var s = dialog.style; + s.boxSizing = 'border-box'; + s.position = 'fixed'; + s.top = '24px'; + s.left = '50%'; + s.marginLeft = (-width/2) + 'px'; + s.width = width + 'px'; + s.padding = '24px'; + s.overflow = 'hidden'; + s.background = '#fafafa'; + s.fontFamily = "'Roboto', sans-serif"; + s.boxShadow = '0px 5px 20px #666'; + + dialog.appendChild(this.createH1_('Select your viewer')); + for (var id in options) { + dialog.appendChild(this.createChoice_(id, options[id].label)); + } + dialog.appendChild(this.createButton_('Save', this.onSave_.bind(this))); + + container.appendChild(overlay); + container.appendChild(dialog); + + return container; +}; + +ViewerSelector.prototype.createH1_ = function(name) { + var h1 = document.createElement('h1'); + var s = h1.style; + s.color = 'black'; + s.fontSize = '20px'; + s.fontWeight = 'bold'; + s.marginTop = 0; + s.marginBottom = '24px'; + h1.innerHTML = name; + return h1; +}; + +ViewerSelector.prototype.createChoice_ = function(id, name) { + /* +

+ + +
+ */ + var div = document.createElement('div'); + div.style.marginTop = '8px'; + div.style.color = 'black'; + + var input = document.createElement('input'); + input.style.fontSize = '30px'; + input.setAttribute('id', id); + input.setAttribute('type', 'radio'); + input.setAttribute('value', id); + input.setAttribute('name', 'field'); + + var label = document.createElement('label'); + label.style.marginLeft = '4px'; + label.setAttribute('for', id); + label.innerHTML = name; + + div.appendChild(input); + div.appendChild(label); + + return div; +}; + +ViewerSelector.prototype.createButton_ = function(label, onclick) { + var button = document.createElement('button'); + button.innerHTML = label; + var s = button.style; + s.float = 'right'; + s.textTransform = 'uppercase'; + s.color = '#1094f7'; + s.fontSize = '14px'; + s.letterSpacing = 0; + s.border = 0; + s.background = 'none'; + s.marginTop = '16px'; + + button.addEventListener('click', onclick); + + return button; +}; + +module.exports = ViewerSelector; + +},{"./device-info.js":14,"./util.js":29}],31:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Util = _dereq_('./util.js'); + +/** + * Android and iOS compatible wakelock implementation. + * + * Refactored thanks to dkovalev@. + */ +function AndroidWakeLock() { + var video = document.createElement('video'); + video.setAttribute('loop', ''); + + function addSourceToVideo(element, type, dataURI) { + var source = document.createElement('source'); + source.src = dataURI; + source.type = 'video/' + type; + element.appendChild(source); + } + + addSourceToVideo(video,'webm', Util.base64('video/webm', 'GkXfo0AgQoaBAUL3gQFC8oEEQvOBCEKCQAR3ZWJtQoeBAkKFgQIYU4BnQI0VSalmQCgq17FAAw9CQE2AQAZ3aGFtbXlXQUAGd2hhbW15RIlACECPQAAAAAAAFlSua0AxrkAu14EBY8WBAZyBACK1nEADdW5khkAFVl9WUDglhohAA1ZQOIOBAeBABrCBCLqBCB9DtnVAIueBAKNAHIEAAIAwAQCdASoIAAgAAUAmJaQAA3AA/vz0AAA=')); + addSourceToVideo(video, 'mp4', Util.base64('video/mp4', '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')); + + this.request = function() { + if (video.paused) { + video.play(); + } + }; + + this.release = function() { + video.pause(); + }; +} + +function iOSWakeLock() { + var timer = null; + + this.request = function() { + if (!timer) { + timer = setInterval(function() { + window.location = window.location; + setTimeout(window.stop, 0); + }, 30000); + } + } + + this.release = function() { + if (timer) { + clearInterval(timer); + timer = null; + } + } +} + + +function getWakeLock() { + var userAgent = navigator.userAgent || navigator.vendor || window.opera; + if (userAgent.match(/iPhone/i) || userAgent.match(/iPod/i)) { + return iOSWakeLock; + } else { + return AndroidWakeLock; + } +} + +module.exports = getWakeLock(); +},{"./util.js":29}],32:[function(_dereq_,module,exports){ +/* + * Copyright 2015 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Util = _dereq_('./util.js'); +var CardboardVRDisplay = _dereq_('./cardboard-vr-display.js'); +var MouseKeyboardVRDisplay = _dereq_('./mouse-keyboard-vr-display.js'); +// Uncomment to add positional tracking via webcam. +//var WebcamPositionSensorVRDevice = require('./webcam-position-sensor-vr-device.js'); +var VRDisplay = _dereq_('./base.js').VRDisplay; +var VRFrameData = _dereq_('./base.js').VRFrameData; +var HMDVRDevice = _dereq_('./base.js').HMDVRDevice; +var PositionSensorVRDevice = _dereq_('./base.js').PositionSensorVRDevice; +var VRDisplayHMDDevice = _dereq_('./display-wrappers.js').VRDisplayHMDDevice; +var VRDisplayPositionSensorDevice = _dereq_('./display-wrappers.js').VRDisplayPositionSensorDevice; +var version = _dereq_('../package.json').version; + +function WebVRPolyfill() { + this.displays = []; + this.devices = []; // For deprecated objects + this.devicesPopulated = false; + this.nativeWebVRAvailable = this.isWebVRAvailable(); + this.nativeLegacyWebVRAvailable = this.isDeprecatedWebVRAvailable(); + this.nativeGetVRDisplaysFunc = this.nativeWebVRAvailable ? + navigator.getVRDisplays : + null; + + if (!this.nativeLegacyWebVRAvailable && !this.nativeWebVRAvailable) { + this.enablePolyfill(); + if (window.WebVRConfig.ENABLE_DEPRECATED_API) { + this.enableDeprecatedPolyfill(); + } + } + + // Put a shim in place to update the API to 1.1 if needed. + InstallWebVRSpecShim(); +} + +WebVRPolyfill.prototype.isWebVRAvailable = function() { + return ('getVRDisplays' in navigator); +}; + +WebVRPolyfill.prototype.isDeprecatedWebVRAvailable = function() { + return ('getVRDevices' in navigator) || ('mozGetVRDevices' in navigator); +}; + +WebVRPolyfill.prototype.connectDisplay = function(vrDisplay) { + vrDisplay.fireVRDisplayConnect_(); + this.displays.push(vrDisplay); +}; + +WebVRPolyfill.prototype.populateDevices = function() { + if (this.devicesPopulated) { + return; + } + + // Initialize our virtual VR devices. + var vrDisplay = null; + + // Add a Cardboard VRDisplay on compatible mobile devices + if (this.isCardboardCompatible()) { + vrDisplay = new CardboardVRDisplay(); + + this.connectDisplay(vrDisplay); + + // For backwards compatibility + if (window.WebVRConfig.ENABLE_DEPRECATED_API) { + this.devices.push(new VRDisplayHMDDevice(vrDisplay)); + this.devices.push(new VRDisplayPositionSensorDevice(vrDisplay)); + } + } + + // Add a Mouse and Keyboard driven VRDisplay for desktops/laptops + if (!this.isMobile() && !window.WebVRConfig.MOUSE_KEYBOARD_CONTROLS_DISABLED) { + vrDisplay = new MouseKeyboardVRDisplay(); + this.connectDisplay(vrDisplay); + + // For backwards compatibility + if (window.WebVRConfig.ENABLE_DEPRECATED_API) { + this.devices.push(new VRDisplayHMDDevice(vrDisplay)); + this.devices.push(new VRDisplayPositionSensorDevice(vrDisplay)); + } + } + + // Uncomment to add positional tracking via webcam. + //if (!this.isMobile() && window.WebVRConfig.ENABLE_DEPRECATED_API) { + // positionDevice = new WebcamPositionSensorVRDevice(); + // this.devices.push(positionDevice); + //} + + this.devicesPopulated = true; +}; + +WebVRPolyfill.prototype.enablePolyfill = function() { + // Provide navigator.getVRDisplays. + navigator.getVRDisplays = this.getVRDisplays.bind(this); + + // Polyfill native VRDisplay.getFrameData + if (this.nativeWebVRAvailable && window.VRFrameData) { + var NativeVRFrameData = window.VRFrameData; + var nativeFrameData = new window.VRFrameData(); + var nativeGetFrameData = window.VRDisplay.prototype.getFrameData; + window.VRFrameData = VRFrameData; + + window.VRDisplay.prototype.getFrameData = function(frameData) { + if (frameData instanceof NativeVRFrameData) { + nativeGetFrameData.call(this, frameData); + return; + } + + /* + Copy frame data from the native object into the polyfilled object. + */ + + nativeGetFrameData.call(this, nativeFrameData); + frameData.pose = nativeFrameData.pose; + Util.copyArray(nativeFrameData.leftProjectionMatrix, frameData.leftProjectionMatrix); + Util.copyArray(nativeFrameData.rightProjectionMatrix, frameData.rightProjectionMatrix); + Util.copyArray(nativeFrameData.leftViewMatrix, frameData.leftViewMatrix); + Util.copyArray(nativeFrameData.rightViewMatrix, frameData.rightViewMatrix); + //todo: copy + }; + } + + // Provide the `VRDisplay` object. + window.VRDisplay = VRDisplay; + + // Provide the `navigator.vrEnabled` property. + if (navigator && typeof navigator.vrEnabled === 'undefined') { + var self = this; + Object.defineProperty(navigator, 'vrEnabled', { + get: function () { + return self.isCardboardCompatible() && + (self.isFullScreenAvailable() || Util.isIOS()); + } + }); + } + + if (!('VRFrameData' in window)) { + // Provide the VRFrameData object. + window.VRFrameData = VRFrameData; + } +}; + +WebVRPolyfill.prototype.enableDeprecatedPolyfill = function() { + // Provide navigator.getVRDevices. + navigator.getVRDevices = this.getVRDevices.bind(this); + + // Provide the CardboardHMDVRDevice and PositionSensorVRDevice objects. + window.HMDVRDevice = HMDVRDevice; + window.PositionSensorVRDevice = PositionSensorVRDevice; +}; + +WebVRPolyfill.prototype.getVRDisplays = function() { + this.populateDevices(); + var polyfillDisplays = this.displays; + + if (!this.nativeWebVRAvailable) { + return Promise.resolve(polyfillDisplays); + } + + // Set up a race condition if this browser has a bug where + // `navigator.getVRDisplays()` never resolves. + var timeoutId; + var vrDisplaysNative = this.nativeGetVRDisplaysFunc.call(navigator); + var timeoutPromise = new Promise(function(resolve) { + timeoutId = setTimeout(function() { + console.warn('Native WebVR implementation detected, but `getVRDisplays()` failed to resolve. Falling back to polyfill.'); + resolve([]); + }, window.WebVRConfig.GET_VR_DISPLAYS_TIMEOUT); + }); + + return Util.race([ + vrDisplaysNative, + timeoutPromise + ]).then(function(nativeDisplays) { + clearTimeout(timeoutId); + if (window.WebVRConfig.ALWAYS_APPEND_POLYFILL_DISPLAY) { + return nativeDisplays.concat(polyfillDisplays); + } else { + return nativeDisplays.length > 0 ? nativeDisplays : polyfillDisplays; + } + }); +}; + +WebVRPolyfill.prototype.getVRDevices = function() { + console.warn('getVRDevices is deprecated. Please update your code to use getVRDisplays instead.'); + var self = this; + return new Promise(function(resolve, reject) { + try { + if (!self.devicesPopulated) { + if (self.nativeWebVRAvailable) { + return navigator.getVRDisplays(function(displays) { + for (var i = 0; i < displays.length; ++i) { + self.devices.push(new VRDisplayHMDDevice(displays[i])); + self.devices.push(new VRDisplayPositionSensorDevice(displays[i])); + } + self.devicesPopulated = true; + resolve(self.devices); + }, reject); + } + + if (self.nativeLegacyWebVRAvailable) { + return (navigator.getVRDDevices || navigator.mozGetVRDevices)(function(devices) { + for (var i = 0; i < devices.length; ++i) { + if (devices[i] instanceof HMDVRDevice) { + self.devices.push(devices[i]); + } + if (devices[i] instanceof PositionSensorVRDevice) { + self.devices.push(devices[i]); + } + } + self.devicesPopulated = true; + resolve(self.devices); + }, reject); + } + } + + self.populateDevices(); + resolve(self.devices); + } catch (e) { + reject(e); + } + }); +}; + +WebVRPolyfill.prototype.NativeVRFrameData = window.VRFrameData; + +/** + * Determine if a device is mobile. + */ +WebVRPolyfill.prototype.isMobile = function() { + return /Android/i.test(navigator.userAgent) || + /iPhone|iPad|iPod/i.test(navigator.userAgent); +}; + +WebVRPolyfill.prototype.isCardboardCompatible = function() { + // For now, support all iOS and Android devices. + // Also enable the WebVRConfig.FORCE_VR flag for debugging. + return this.isMobile() || window.WebVRConfig.FORCE_ENABLE_VR; +}; + +WebVRPolyfill.prototype.isFullScreenAvailable = function() { + return (document.fullscreenEnabled || + document.mozFullScreenEnabled || + document.webkitFullscreenEnabled || + false); +}; + +// Installs a shim that updates a WebVR 1.0 spec implementation to WebVR 1.1 +function InstallWebVRSpecShim() { + if ('VRDisplay' in window && !('VRFrameData' in window)) { + // Provide the VRFrameData object. + window.VRFrameData = VRFrameData; + + // A lot of Chrome builds don't have depthNear and depthFar, even + // though they're in the WebVR 1.0 spec. Patch them in if they're not present. + if(!('depthNear' in window.VRDisplay.prototype)) { + window.VRDisplay.prototype.depthNear = 0.01; + } + + if(!('depthFar' in window.VRDisplay.prototype)) { + window.VRDisplay.prototype.depthFar = 10000.0; + } + + window.VRDisplay.prototype.getFrameData = function(frameData) { + return Util.frameDataFromPose(frameData, this.getPose(), this); + } + } +}; + +WebVRPolyfill.InstallWebVRSpecShim = InstallWebVRSpecShim; +WebVRPolyfill.version = version; + +module.exports.WebVRPolyfill = WebVRPolyfill; + +},{"../package.json":8,"./base.js":9,"./cardboard-vr-display.js":12,"./display-wrappers.js":15,"./mouse-keyboard-vr-display.js":21,"./util.js":29}],33:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var EventEmitter = _dereq_('eventemitter3'); +var shaka = _dereq_('shaka-player'); + +var Types = _dereq_('../video-type'); +var Util = _dereq_('../util'); + +var DEFAULT_BITS_PER_SECOND = 1000000; + +/** + * Supports regular video URLs (eg. mp4), as well as adaptive manifests like + * DASH (.mpd) and soon HLS (.m3u8). + * + * Events: + * load(video): When the video is loaded. + * error(message): If an error occurs. + * + * To play/pause/seek/etc, please use the underlying video element. + */ +function AdaptivePlayer(params) { + this.video = document.createElement('video'); + // Loop by default. + if (params.loop === true) { + this.video.setAttribute('loop', true); + } + + if (params.volume !== undefined) { + // XXX: .setAttribute('volume', params.volume) doesn't work for some reason. + this.video.volume = params.volume; + } + + // Not muted by default. + if (params.muted === true) { + this.video.muted = params.muted; + } + + // For FF, make sure we enable preload. + this.video.setAttribute('preload', 'auto'); + // Enable inline video playback in iOS 10+. + this.video.setAttribute('playsinline', true); + this.video.setAttribute('crossorigin', 'anonymous'); +} +AdaptivePlayer.prototype = new EventEmitter(); + +AdaptivePlayer.prototype.load = function(url) { + var self = this; + // TODO(smus): Investigate whether or not differentiation is best done by + // mimeType after all. Cursory research suggests that adaptive streaming + // manifest mime types aren't properly supported. + // + // For now, make determination based on extension. + var extension = Util.getExtension(url); + switch (extension) { + case 'm3u8': // HLS + this.type = Types.HLS; + if (Util.isSafari()) { + this.loadVideo_(url).then(function() { + self.emit('load', self.video, self.type); + }).catch(this.onError_.bind(this)); + } else { + self.onError_('HLS is only supported on Safari.'); + } + break; + case 'mpd': // MPEG-DASH + this.type = Types.DASH; + this.loadShakaVideo_(url).then(function() { + console.log('The video has now been loaded!'); + self.emit('load', self.video, self.type); + }).catch(this.onError_.bind(this)); + break; + default: // A regular video, not an adaptive manifest. + this.type = Types.VIDEO; + this.loadVideo_(url).then(function() { + self.emit('load', self.video, self.type); + }).catch(this.onError_.bind(this)); + break; + } +}; + +AdaptivePlayer.prototype.destroy = function() { + this.video.pause(); + this.video.src = ''; + this.video = null; +}; + +/*** PRIVATE API ***/ + +AdaptivePlayer.prototype.onError_ = function(e) { + console.error(e); + this.emit('error', e); +}; + +AdaptivePlayer.prototype.loadVideo_ = function(url) { + var self = this, video = self.video; + return new Promise(function(resolve, reject) { + video.src = url; + video.addEventListener('canplaythrough', resolve); + video.addEventListener('loadedmetadata', function() { + self.emit('timeupdate', { + currentTime: video.currentTime, + duration: video.duration + }); + }); + video.addEventListener('error', reject); + video.load(); + }); +}; + +AdaptivePlayer.prototype.initShaka_ = function() { + this.player = new shaka.Player(this.video); + + this.player.configure({ + abr: { defaultBandwidthEstimate: DEFAULT_BITS_PER_SECOND } + }); + + // Listen for error events. + this.player.addEventListener('error', this.onError_); +}; + +AdaptivePlayer.prototype.loadShakaVideo_ = function(url) { + // Install built-in polyfills to patch browser incompatibilities. + shaka.polyfill.installAll(); + + if (!shaka.Player.isBrowserSupported()) { + console.error('Shaka is not supported on this browser.'); + return; + } + + this.initShaka_(); + return this.player.load(url); +}; + +module.exports = AdaptivePlayer; + +},{"../util":45,"../video-type":46,"eventemitter3":3,"shaka-player":5}],34:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +var Eyes = { + LEFT: 1, + RIGHT: 2 +}; + +module.exports = Eyes; + +},{}],35:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +var EventEmitter = _dereq_('eventemitter3'); +var TWEEN = _dereq_('@tweenjs/tween.js'); + +var Util = _dereq_('../util'); + +// Constants for the focus/blur animation. +var NORMAL_SCALE = new THREE.Vector3(1, 1, 1); +var FOCUS_SCALE = new THREE.Vector3(1.2, 1.2, 1.2); +var FOCUS_DURATION = 200; + +// Constants for the active/inactive animation. +var INACTIVE_COLOR = new THREE.Color(1, 1, 1); +var ACTIVE_COLOR = new THREE.Color(0.8, 0, 0); +var ACTIVE_DURATION = 100; + +// Constants for opacity. +var MAX_INNER_OPACITY = 0.8; +var MAX_OUTER_OPACITY = 0.5; +var FADE_START_ANGLE_DEG = 35; +var FADE_END_ANGLE_DEG = 60; +/** + * Responsible for rectangular hot spots that the user can interact with. + * + * Specific duties: + * Adding and removing hotspots. + * Rendering the hotspots (debug mode only). + * Notifying when hotspots are interacted with. + * + * Emits the following events: + * click (id): a hotspot is clicked. + * focus (id): a hotspot is focused. + * blur (id): a hotspot is no longer hovered over. + */ +function HotspotRenderer(worldRenderer) { + this.worldRenderer = worldRenderer; + this.scene = worldRenderer.scene; + + // Note: this event must be added to document.body and not to window for it to + // work inside iOS iframes. + var body = document.body; + // Bind events for hotspot interaction. + if (!Util.isMobile()) { + // Only enable mouse events on desktop. + body.addEventListener('mousedown', this.onMouseDown_.bind(this), false); + body.addEventListener('mousemove', this.onMouseMove_.bind(this), false); + body.addEventListener('mouseup', this.onMouseUp_.bind(this), false); + } + body.addEventListener('touchstart', this.onTouchStart_.bind(this), false); + body.addEventListener('touchend', this.onTouchEnd_.bind(this), false); + + // Add a placeholder for hotspots. + this.hotspotRoot = new THREE.Object3D(); + // Align the center with the center of the camera too. + this.hotspotRoot.rotation.y = Math.PI / 2; + this.scene.add(this.hotspotRoot); + + // All hotspot IDs. + this.hotspots = {}; + + // Currently selected hotspots. + this.selectedHotspots = {}; + + // Hotspots that the last touchstart / mousedown event happened for. + this.downHotspots = {}; + + // For raycasting. Initialize mouse to be off screen initially. + this.pointer = new THREE.Vector2(1, 1); + this.raycaster = new THREE.Raycaster(); +} +HotspotRenderer.prototype = new EventEmitter(); + +/** + * @param pitch {Number} The latitude of center, specified in degrees, between + * -90 and 90, with 0 at the horizon. + * @param yaw {Number} The longitude of center, specified in degrees, between + * -180 and 180, with 0 at the image center. + * @param radius {Number} The radius of the hotspot, specified in meters. + * @param distance {Number} The distance of the hotspot from camera, specified + * in meters. + * @param hotspotId {String} The ID of the hotspot. + */ +HotspotRenderer.prototype.add = function(pitch, yaw, radius, distance, id) { + // If a hotspot already exists with this ID, stop. + if (this.hotspots[id]) { + // TODO: Proper error reporting. + console.error('Attempt to add hotspot with existing id %s.', id); + return; + } + var hotspot = this.createHotspot_(radius, distance); + hotspot.name = id; + + // Position the hotspot based on the pitch and yaw specified. + var quat = new THREE.Quaternion(); + quat.setFromEuler(new THREE.Euler(THREE.Math.degToRad(pitch), THREE.Math.degToRad(yaw), 0, 'ZYX')); + hotspot.position.applyQuaternion(quat); + hotspot.lookAt(new THREE.Vector3()); + + this.hotspotRoot.add(hotspot); + this.hotspots[id] = hotspot; +} + +/** + * Removes a hotspot based on the ID. + * + * @param ID {String} Identifier of the hotspot to be removed. + */ +HotspotRenderer.prototype.remove = function(id) { + // If there's no hotspot with this ID, fail. + if (!this.hotspots[id]) { + // TODO: Proper error reporting. + console.error('Attempt to remove non-existing hotspot with id %s.', id); + return; + } + // Remove the mesh from the scene. + this.hotspotRoot.remove(this.hotspots[id]); + + // If this hotspot was selected, make sure it gets unselected. + delete this.selectedHotspots[id]; + delete this.downHotspots[id]; + delete this.hotspots[id]; + this.emit('blur', id); +}; + +/** + * Clears all hotspots from the pano. Often called when changing panos. + */ +HotspotRenderer.prototype.clearAll = function() { + for (var id in this.hotspots) { + this.remove(id); + } +}; + +HotspotRenderer.prototype.getCount = function() { + var count = 0; + for (var id in this.hotspots) { + count += 1; + } + return count; +}; + +HotspotRenderer.prototype.update = function(camera) { + if (this.worldRenderer.isVRMode()) { + this.pointer.set(0, 0); + } + // Update the picking ray with the camera and mouse position. + this.raycaster.setFromCamera(this.pointer, camera); + + // Fade hotspots out if they are really far from center to avoid overly + // distorted visuals. + this.fadeOffCenterHotspots_(camera); + + var hotspots = this.hotspotRoot.children; + + // Go through all hotspots to see if they are currently selected. + for (var i = 0; i < hotspots.length; i++) { + var hotspot = hotspots[i]; + //hotspot.lookAt(camera.position); + var id = hotspot.name; + // Check if hotspot is intersected with the picking ray. + var intersects = this.raycaster.intersectObjects(hotspot.children); + var isIntersected = (intersects.length > 0); + + // If newly selected, emit a focus event. + if (isIntersected && !this.selectedHotspots[id]) { + this.emit('focus', id); + this.focus_(id); + } + // If no longer selected, emit a blur event. + if (!isIntersected && this.selectedHotspots[id]) { + this.emit('blur', id); + this.blur_(id); + } + // Update the set of selected hotspots. + if (isIntersected) { + this.selectedHotspots[id] = true; + } else { + delete this.selectedHotspots[id]; + } + } +}; + +/** + * Toggle whether or not hotspots are visible. + */ +HotspotRenderer.prototype.setVisibility = function(isVisible) { + this.hotspotRoot.visible = isVisible; +}; + +HotspotRenderer.prototype.onTouchStart_ = function(e) { + // In VR mode, don't touch the pointer position. + if (!this.worldRenderer.isVRMode()) { + this.updateTouch_(e); + } + + // Force a camera update to see if any hotspots were selected. + this.update(this.worldRenderer.camera); + + this.downHotspots = {}; + for (var id in this.selectedHotspots) { + this.downHotspots[id] = true; + this.down_(id); + } + return false; +}; + +HotspotRenderer.prototype.onTouchEnd_ = function(e) { + // If no hotspots are pressed, emit an empty click event. + if (Util.isEmptyObject(this.downHotspots)) { + this.emit('click'); + return; + } + + // Only emit a click if the finger was down on the same hotspot before. + for (var id in this.downHotspots) { + this.emit('click', id); + this.up_(id); + e.preventDefault(); + } +}; + +HotspotRenderer.prototype.updateTouch_ = function(e) { + var size = this.getSize_(); + var touch = e.touches[0]; + this.pointer.x = (touch.clientX / size.width) * 2 - 1; + this.pointer.y = - (touch.clientY / size.height) * 2 + 1; +}; + +HotspotRenderer.prototype.onMouseDown_ = function(e) { + this.updateMouse_(e); + + this.downHotspots = {}; + for (var id in this.selectedHotspots) { + this.downHotspots[id] = true; + this.down_(id); + } +}; + +HotspotRenderer.prototype.onMouseMove_ = function(e) { + this.updateMouse_(e); +}; + +HotspotRenderer.prototype.onMouseUp_ = function(e) { + this.updateMouse_(e); + + // If no hotspots are pressed, emit an empty click event. + if (Util.isEmptyObject(this.downHotspots)) { + this.emit('click'); + return; + } + + // Only emit a click if the mouse was down on the same hotspot before. + for (var id in this.selectedHotspots) { + if (id in this.downHotspots) { + this.emit('click', id); + this.up_(id); + } + } +}; + +HotspotRenderer.prototype.updateMouse_ = function(e) { + var size = this.getSize_(); + this.pointer.x = (e.clientX / size.width) * 2 - 1; + this.pointer.y = - (e.clientY / size.height) * 2 + 1; +}; + +HotspotRenderer.prototype.getSize_ = function() { + var canvas = this.worldRenderer.renderer.domElement; + return this.worldRenderer.renderer.getSize(); +}; + +HotspotRenderer.prototype.createHotspot_ = function(radius, distance) { + var innerGeometry = new THREE.CircleGeometry(radius, 32); + + var innerMaterial = new THREE.MeshBasicMaterial({ + color: 0xffffff, side: THREE.DoubleSide, transparent: true, + opacity: MAX_INNER_OPACITY, depthTest: false + }); + + var inner = new THREE.Mesh(innerGeometry, innerMaterial); + inner.name = 'inner'; + + var outerMaterial = new THREE.MeshBasicMaterial({ + color: 0xffffff, side: THREE.DoubleSide, transparent: true, + opacity: MAX_OUTER_OPACITY, depthTest: false + }); + var outerGeometry = new THREE.RingGeometry(radius * 0.85, radius, 32); + var outer = new THREE.Mesh(outerGeometry, outerMaterial); + outer.name = 'outer'; + + // Position at the extreme end of the sphere. + var hotspot = new THREE.Object3D(); + hotspot.position.z = -distance; + hotspot.scale.copy(NORMAL_SCALE); + + hotspot.add(inner); + hotspot.add(outer); + + return hotspot; +}; + +/** + * Large aspect ratios tend to cause visually jarring distortions on the sides. + * Here we fade hotspots out to avoid them. + */ +HotspotRenderer.prototype.fadeOffCenterHotspots_ = function(camera) { + var lookAt = new THREE.Vector3(1, 0, 0); + lookAt.applyQuaternion(camera.quaternion); + // Take into account the camera parent too. + lookAt.applyQuaternion(camera.parent.quaternion); + + // Go through each hotspot. Calculate how far off center it is. + for (var id in this.hotspots) { + var hotspot = this.hotspots[id]; + var angle = hotspot.position.angleTo(lookAt); + var angleDeg = THREE.Math.radToDeg(angle); + var isVisible = angleDeg < 45; + var opacity; + if (angleDeg < FADE_START_ANGLE_DEG) { + opacity = 1; + } else if (angleDeg > FADE_END_ANGLE_DEG) { + opacity = 0; + } else { + // We are in the case START < angle < END. Linearly interpolate. + var range = FADE_END_ANGLE_DEG - FADE_START_ANGLE_DEG; + var value = FADE_END_ANGLE_DEG - angleDeg; + opacity = value / range; + } + + // Opacity a function of angle. If angle is large, opacity is zero. At some + // point, ramp opacity down. + this.setOpacity_(id, opacity); + } +}; + +HotspotRenderer.prototype.focus_ = function(id) { + var hotspot = this.hotspots[id]; + + // Tween scale of hotspot. + this.tween = new TWEEN.Tween(hotspot.scale).to(FOCUS_SCALE, FOCUS_DURATION) + .easing(TWEEN.Easing.Quadratic.InOut) + .start(); + + if (this.worldRenderer.isVRMode()) { + this.timeForHospotClick = setTimeout(function () { + this.emit('click', id); + }, 1200 ) + } +}; + +HotspotRenderer.prototype.blur_ = function(id) { + var hotspot = this.hotspots[id]; + + this.tween = new TWEEN.Tween(hotspot.scale).to(NORMAL_SCALE, FOCUS_DURATION) + .easing(TWEEN.Easing.Quadratic.InOut) + .start(); + + if (this.timeForHospotClick) { + clearTimeout( this.timeForHospotClick ); + } +}; + +HotspotRenderer.prototype.down_ = function(id) { + // Become active. + var hotspot = this.hotspots[id]; + var outer = hotspot.getObjectByName('inner'); + + this.tween = new TWEEN.Tween(outer.material.color).to(ACTIVE_COLOR, ACTIVE_DURATION) + .start(); +}; + +HotspotRenderer.prototype.up_ = function(id) { + // Become inactive. + var hotspot = this.hotspots[id]; + var outer = hotspot.getObjectByName('inner'); + + this.tween = new TWEEN.Tween(outer.material.color).to(INACTIVE_COLOR, ACTIVE_DURATION) + .start(); +}; + +HotspotRenderer.prototype.setOpacity_ = function(id, opacity) { + var hotspot = this.hotspots[id]; + var outer = hotspot.getObjectByName('outer'); + var inner = hotspot.getObjectByName('inner'); + + outer.material.opacity = opacity * MAX_OUTER_OPACITY; + inner.material.opacity = opacity * MAX_INNER_OPACITY; +}; + +module.exports = HotspotRenderer; + +},{"../util":45,"@tweenjs/tween.js":1,"eventemitter3":3}],36:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +var EventEmitter = _dereq_('eventemitter3'); +var Message = _dereq_('../message'); +var Util = _dereq_('../util'); + + +/** + * Sits in an embedded iframe, receiving messages from a containing + * iFrame. This facilitates an API which provides the following features: + * + * Playing and pausing content. + * Adding hotspots. + * Sending messages back to the containing iframe when hotspot is clicked + * Sending analytics events to containing iframe. + * + * Note: this script used to also respond to synthetic devicemotion events, but + * no longer does so. This is because as of iOS 9.2, Safari disallows listening + * for devicemotion events within cross-device iframes. To work around this, the + * webvr-polyfill responds to the postMessage event containing devicemotion + * information (sent by the iframe-message-sender in the VR View API). + */ +function IFrameMessageReceiver() { + window.addEventListener('message', this.onMessage_.bind(this), false); +} +IFrameMessageReceiver.prototype = new EventEmitter(); + +IFrameMessageReceiver.prototype.onMessage_ = function(event) { + if (Util.isDebug()) { + console.log('onMessage_', event); + } + + var message = event.data; + var type = message.type.toLowerCase(); + var data = message.data; + + switch (type) { + case Message.SET_CONTENT: + case Message.SET_VOLUME: + case Message.MUTED: + case Message.ADD_HOTSPOT: + case Message.PLAY: + case Message.PAUSE: + case Message.SET_CURRENT_TIME: + case Message.GET_POSITION: + case Message.SET_FULLSCREEN: + this.emit(type, data); + break; + default: + if (Util.isDebug()) { + console.warn('Got unknown message of type %s from %s', message.type, message.origin); + } + } +}; + +module.exports = IFrameMessageReceiver; + +},{"../message":44,"../util":45,"eventemitter3":3}],37:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * Shows a 2D loading indicator while various pieces of EmbedVR load. + */ +function LoadingIndicator() { + this.el = this.build_(); + document.body.appendChild(this.el); + this.show(); +} + +LoadingIndicator.prototype.build_ = function() { + var overlay = document.createElement('div'); + var s = overlay.style; + s.position = 'fixed'; + s.top = 0; + s.left = 0; + s.width = '100%'; + s.height = '100%'; + s.background = '#eee'; + var img = document.createElement('img'); + img.src = 'images/loading.gif'; + var s = img.style; + s.position = 'absolute'; + s.top = '50%'; + s.left = '50%'; + s.transform = 'translate(-50%, -50%)'; + + overlay.appendChild(img); + return overlay; +}; + +LoadingIndicator.prototype.hide = function() { + this.el.style.display = 'none'; +}; + +LoadingIndicator.prototype.show = function() { + this.el.style.display = 'block'; +}; + +module.exports = LoadingIndicator; + +},{}],38:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// Initialize the loading indicator as quickly as possible to give the user +// immediate feedback. +var LoadingIndicator = _dereq_('./loading-indicator'); +var loadIndicator = new LoadingIndicator(); + +var ES6Promise = _dereq_('es6-promise'); +// Polyfill ES6 promises for IE. +ES6Promise.polyfill(); + +var IFrameMessageReceiver = _dereq_('./iframe-message-receiver'); +var Message = _dereq_('../message'); +var SceneInfo = _dereq_('./scene-info'); +var Stats = _dereq_('../../node_modules/stats-js/build/stats.min'); +var Util = _dereq_('../util'); +var WebVRPolyfill = _dereq_('webvr-polyfill'); +var WorldRenderer = _dereq_('./world-renderer'); + +var receiver = new IFrameMessageReceiver(); +receiver.on(Message.PLAY, onPlayRequest); +receiver.on(Message.PAUSE, onPauseRequest); +receiver.on(Message.ADD_HOTSPOT, onAddHotspot); +receiver.on(Message.SET_CONTENT, onSetContent); +receiver.on(Message.SET_VOLUME, onSetVolume); +receiver.on(Message.MUTED, onMuted); +receiver.on(Message.SET_CURRENT_TIME, onUpdateCurrentTime); +receiver.on(Message.GET_POSITION, onGetPosition); +receiver.on(Message.SET_FULLSCREEN, onSetFullscreen); + +window.addEventListener('load', onLoad); + +var stats = new Stats(); +var scene = SceneInfo.loadFromGetParams(); + +var worldRenderer = new WorldRenderer(scene); +worldRenderer.on('error', onRenderError); +worldRenderer.on('load', onRenderLoad); +worldRenderer.on('modechange', onModeChange); +worldRenderer.on('ended', onEnded); +worldRenderer.on('play', onPlay); +worldRenderer.hotspotRenderer.on('click', onHotspotClick); + +window.worldRenderer = worldRenderer; + +var isReadySent = false; +var volume = 0; + +function onLoad() { + if (!Util.isWebGLEnabled()) { + showError('WebGL not supported.'); + return; + } + + // Load the scene. + worldRenderer.setScene(scene); + + if (scene.isDebug) { + // Show stats. + showStats(); + } + + if (scene.isYawOnly) { + WebVRConfig = window.WebVRConfig || {}; + WebVRConfig.YAW_ONLY = true; + } + + requestAnimationFrame(loop); +} + + +function onVideoTap() { + worldRenderer.videoProxy.play(); + hidePlayButton(); + + // Prevent multiple play() calls on the video element. + document.body.removeEventListener('touchend', onVideoTap); +} + +function onRenderLoad(event) { + if (event.videoElement) { + + var scene = SceneInfo.loadFromGetParams(); + + // On mobile, tell the user they need to tap to start. Otherwise, autoplay. + if (Util.isMobile()) { + // Tell user to tap to start. + showPlayButton(); + document.body.addEventListener('touchend', onVideoTap); + } else { + event.videoElement.play(); + } + + // Attach to pause and play events, to notify the API. + event.videoElement.addEventListener('pause', onPause); + event.videoElement.addEventListener('play', onPlay); + event.videoElement.addEventListener('timeupdate', onGetCurrentTime); + event.videoElement.addEventListener('ended', onEnded); + } + // Hide loading indicator. + loadIndicator.hide(); + + // Autopan only on desktop, for photos only, and only if autopan is enabled. + if (!Util.isMobile() && !worldRenderer.sceneInfo.video && !worldRenderer.sceneInfo.isAutopanOff) { + worldRenderer.autopan(); + } + + // Notify the API that we are ready, but only do this once. + if (!isReadySent) { + if (event.videoElement) { + Util.sendParentMessage({ + type: 'ready', + data: { + duration: event.videoElement.duration + } + }); + } else { + Util.sendParentMessage({ + type: 'ready' + }); + } + + isReadySent = true; + } +} + +function onPlayRequest() { + if (!worldRenderer.videoProxy) { + onApiError('Attempt to pause, but no video found.'); + return; + } + worldRenderer.videoProxy.play(); +} + +function onPauseRequest() { + if (!worldRenderer.videoProxy) { + onApiError('Attempt to pause, but no video found.'); + return; + } + worldRenderer.videoProxy.pause(); +} + +function onAddHotspot(e) { + if (Util.isDebug()) { + console.log('onAddHotspot', e); + } + // TODO: Implement some validation? + + var pitch = parseFloat(e.pitch); + var yaw = parseFloat(e.yaw); + var radius = parseFloat(e.radius); + var distance = parseFloat(e.distance); + var id = e.id; + worldRenderer.hotspotRenderer.add(pitch, yaw, radius, distance, id); +} + +function onSetContent(e) { + if (Util.isDebug()) { + console.log('onSetContent', e); + } + // Remove all of the hotspots. + worldRenderer.hotspotRenderer.clearAll(); + // Fade to black. + worldRenderer.sphereRenderer.setOpacity(0, 500).then(function() { + // Then load the new scene. + var scene = SceneInfo.loadFromAPIParams(e.contentInfo); + worldRenderer.destroy(); + + // Update the URL to reflect the new scene. This is important particularily + // on iOS where we use a fake fullscreen mode. + var url = scene.getCurrentUrl(); + //console.log('Updating url to be %s', url); + window.history.pushState(null, 'VR View', url); + + // And set the new scene. + return worldRenderer.setScene(scene); + }).then(function() { + // Then fade the scene back in. + worldRenderer.sphereRenderer.setOpacity(1, 500); + }); +} + +function onSetVolume(e) { + // Only work for video. If there's no video, send back an error. + if (!worldRenderer.videoProxy) { + onApiError('Attempt to set volume, but no video found.'); + return; + } + + worldRenderer.videoProxy.setVolume(e.volumeLevel); + volume = e.volumeLevel; + Util.sendParentMessage({ + type: 'volumechange', + data: e.volumeLevel + }); +} + +function onMuted(e) { + // Only work for video. If there's no video, send back an error. + if (!worldRenderer.videoProxy) { + onApiError('Attempt to mute, but no video found.'); + return; + } + + worldRenderer.videoProxy.mute(e.muteState); + + Util.sendParentMessage({ + type: 'muted', + data: e.muteState + }); +} + +function onUpdateCurrentTime(time) { + if (!worldRenderer.videoProxy) { + onApiError('Attempt to pause, but no video found.'); + return; + } + + worldRenderer.videoProxy.setCurrentTime(time); + onGetCurrentTime(); +} + +function onGetCurrentTime() { + var time = worldRenderer.videoProxy.getCurrentTime(); + Util.sendParentMessage({ + type: 'timeupdate', + data: time + }); +} + +function onSetFullscreen() { + if (!worldRenderer.videoProxy) { + onApiError('Attempt to set fullscreen, but no video found.'); + return; + } + worldRenderer.manager.onFSClick_(); +} + +function onApiError(message) { + console.error(message); + Util.sendParentMessage({ + type: 'error', + data: {message: message} + }); +} + +function onModeChange(mode) { + Util.sendParentMessage({ + type: 'modechange', + data: {mode: mode} + }); +} + +function onHotspotClick(id) { + Util.sendParentMessage({ + type: 'click', + data: {id: id} + }); +} + +function onPlay() { + Util.sendParentMessage({ + type: 'paused', + data: false + }); +} + +function onPause() { + Util.sendParentMessage({ + type: 'paused', + data: true + }); +} + +function onEnded() { + Util.sendParentMessage({ + type: 'ended', + data: true + }); +} + +function onSceneError(message) { + showError('Loader: ' + message); +} + +function onRenderError(message) { + showError('Render: ' + message); +} + +function showError(message) { + // Hide loading indicator. + loadIndicator.hide(); + + // Sanitize `message` as it could contain user supplied + // values. Re-add the space character as to not modify the + // error messages used throughout the codebase. + message = encodeURI(message).replace(/%20/g, ' '); + + var error = document.querySelector('#error'); + error.classList.add('visible'); + error.querySelector('.message').innerHTML = message; + + error.querySelector('.title').innerHTML = 'Error'; +} + +function hideError() { + var error = document.querySelector('#error'); + error.classList.remove('visible'); +} + +function showPlayButton() { + var playButton = document.querySelector('#play-overlay'); + playButton.classList.add('visible'); +} + +function hidePlayButton() { + var playButton = document.querySelector('#play-overlay'); + playButton.classList.remove('visible'); +} + +function showStats() { + stats.setMode(0); // 0: fps, 1: ms + + // Align bottom-left. + stats.domElement.style.position = 'absolute'; + stats.domElement.style.left = '0px'; + stats.domElement.style.bottom = '0px'; + document.body.appendChild(stats.domElement); +} + +function loop(time) { + // Use the VRDisplay RAF if it is present. + if (worldRenderer.vrDisplay) { + worldRenderer.vrDisplay.requestAnimationFrame(loop); + } else { + requestAnimationFrame(loop); + } + + stats.begin(); + // Update the video if needed. + if (worldRenderer.videoProxy) { + worldRenderer.videoProxy.update(time); + } + worldRenderer.render(time); + worldRenderer.submitFrame(); + stats.end(); +} +function onGetPosition() { + Util.sendParentMessage({ + type: 'getposition', + data: { + Yaw: worldRenderer.camera.rotation.y * 180 / Math.PI, + Pitch: worldRenderer.camera.rotation.x * 180 / Math.PI + } + }); +} + +},{"../../node_modules/stats-js/build/stats.min":6,"../message":44,"../util":45,"./iframe-message-receiver":36,"./loading-indicator":37,"./scene-info":40,"./world-renderer":43,"es6-promise":2,"webvr-polyfill":22}],39:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +function ReticleRenderer(camera) { + this.camera = camera; + + this.reticle = this.createReticle_(); + // In front of the hotspot itself, which is at r=0.99. + this.reticle.position.z = -0.97; + camera.add(this.reticle); + + this.setVisibility(false); +} + +ReticleRenderer.prototype.setVisibility = function(isVisible) { + // TODO: Tween the transition. + this.reticle.visible = isVisible; +}; + +ReticleRenderer.prototype.createReticle_ = function() { + // Make a torus. + var geometry = new THREE.TorusGeometry(0.02, 0.005, 10, 20); + var material = new THREE.MeshBasicMaterial({color: 0x000000}); + var torus = new THREE.Mesh(geometry, material); + + return torus; +}; + +module.exports = ReticleRenderer; + +},{}],40:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Util = _dereq_('../util'); + +var CAMEL_TO_UNDERSCORE = { + video: 'video', + image: 'image', + preview: 'preview', + loop: 'loop', + volume: 'volume', + muted: 'muted', + isStereo: 'is_stereo', + defaultYaw: 'default_yaw', + isYawOnly: 'is_yaw_only', + isDebug: 'is_debug', + isVROff: 'is_vr_off', + isAutopanOff: 'is_autopan_off', + hideFullscreenButton: 'hide_fullscreen_button' +}; + +/** + * Contains all information about a given scene. + */ +function SceneInfo(opt_params) { + var params = opt_params || {}; + params.player = { + loop: opt_params.loop, + volume: opt_params.volume, + muted: opt_params.muted + }; + + this.image = params.image !== undefined ? encodeURI(params.image) : undefined; + this.preview = params.preview !== undefined ? encodeURI(params.preview) : undefined; + this.video = params.video !== undefined ? encodeURI(params.video) : undefined; + this.defaultYaw = THREE.Math.degToRad(params.defaultYaw || 0); + + this.isStereo = Util.parseBoolean(params.isStereo); + this.isYawOnly = Util.parseBoolean(params.isYawOnly); + this.isDebug = Util.parseBoolean(params.isDebug); + this.isVROff = Util.parseBoolean(params.isVROff); + this.isAutopanOff = Util.parseBoolean(params.isAutopanOff); + this.loop = Util.parseBoolean(params.player.loop); + this.volume = parseFloat( + params.player.volume ? params.player.volume : '1'); + this.muted = Util.parseBoolean(params.player.muted); + this.hideFullscreenButton = Util.parseBoolean(params.hideFullscreenButton); +} + +SceneInfo.loadFromGetParams = function() { + var params = {}; + for (var camelCase in CAMEL_TO_UNDERSCORE) { + var underscore = CAMEL_TO_UNDERSCORE[camelCase]; + params[camelCase] = Util.getQueryParameter(underscore) + || ((window.WebVRConfig && window.WebVRConfig.PLAYER) ? window.WebVRConfig.PLAYER[underscore] : ""); + } + var scene = new SceneInfo(params); + if (!scene.isValid()) { + console.warn('Invalid scene: %s', scene.errorMessage); + } + return scene; +}; + +SceneInfo.loadFromAPIParams = function(underscoreParams) { + var params = {}; + for (var camelCase in CAMEL_TO_UNDERSCORE) { + var underscore = CAMEL_TO_UNDERSCORE[camelCase]; + if (underscoreParams[underscore]) { + params[camelCase] = underscoreParams[underscore]; + } + } + var scene = new SceneInfo(params); + if (!scene.isValid()) { + console.warn('Invalid scene: %s', scene.errorMessage); + } + return scene; +}; + +SceneInfo.prototype.isValid = function() { + // Either it's an image or a video. + if (!this.image && !this.video) { + this.errorMessage = 'Either image or video URL must be specified.'; + return false; + } + if (this.image && !this.isValidImage_(this.image)) { + this.errorMessage = 'Invalid image URL: ' + this.image; + return false; + } + this.errorMessage = null; + return true; +}; + +/** + * Generates a URL to reflect this scene. + */ +SceneInfo.prototype.getCurrentUrl = function() { + var url = location.protocol + '//' + location.host + location.pathname + '?'; + for (var camelCase in CAMEL_TO_UNDERSCORE) { + var underscore = CAMEL_TO_UNDERSCORE[camelCase]; + var value = this[camelCase]; + if (value !== undefined) { + url += underscore + '=' + value + '&'; + } + } + // Chop off the trailing ampersand. + return url.substring(0, url.length - 1); +}; + +SceneInfo.prototype.isValidImage_ = function(imageUrl) { + return true; +}; + +module.exports = SceneInfo; + +},{"../util":45}],41:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Eyes = _dereq_('./eyes'); +var TWEEN = _dereq_('@tweenjs/tween.js'); +var Util = _dereq_('../util'); +var VideoType = _dereq_('../video-type'); + +function SphereRenderer(scene) { + this.scene = scene; + + // Create a transparent mask. + this.createOpacityMask_(); +} + +/** + * Sets the photosphere based on the image in the source. Supports stereo and + * mono photospheres. + * + * @return {Promise} + */ +SphereRenderer.prototype.setPhotosphere = function(src, opt_params) { + return new Promise(function(resolve, reject) { + this.resolve = resolve; + this.reject = reject; + + var params = opt_params || {}; + + this.isStereo = !!params.isStereo; + this.src = src; + + // Load texture. + var loader = new THREE.TextureLoader(); + loader.crossOrigin = 'anonymous'; + loader.load(src, this.onTextureLoaded_.bind(this), undefined, + this.onTextureError_.bind(this)); + }.bind(this)); +}; + +/** + * @return {Promise} Yeah. + */ +SphereRenderer.prototype.set360Video = function (videoElement, videoType, opt_params) { + return new Promise(function(resolve, reject) { + this.resolve = resolve; + this.reject = reject; + + var params = opt_params || {}; + + this.isStereo = !!params.isStereo; + + // Load the video texture. + var videoTexture = new THREE.VideoTexture(videoElement); + videoTexture.minFilter = THREE.LinearFilter; + videoTexture.magFilter = THREE.LinearFilter; + videoTexture.generateMipmaps = false; + + if (Util.isSafari() && videoType === VideoType.HLS) { + // fix black screen issue on safari + videoTexture.format = THREE.RGBAFormat; + videoTexture.flipY = false; + } else { + videoTexture.format = THREE.RGBFormat; + } + + videoTexture.needsUpdate = true; + + this.onTextureLoaded_(videoTexture); + }.bind(this)); +}; + +/** + * Set the opacity of the panorama. + * + * @param {Number} opacity How opaque we want the panorama to be. 0 means black, + * 1 means full color. + * @param {Number} duration Number of milliseconds the transition should take. + * + * @return {Promise} When the opacity change is complete. + */ +SphereRenderer.prototype.setOpacity = function(opacity, duration) { + var scene = this.scene; + // If we want the opacity + var overlayOpacity = 1 - opacity; + return new Promise(function(resolve, reject) { + var mask = scene.getObjectByName('opacityMask'); + var tween = new TWEEN.Tween({opacity: mask.material.opacity}) + .to({opacity: overlayOpacity}, duration) + .easing(TWEEN.Easing.Quadratic.InOut); + tween.onUpdate(function(e) { + mask.material.opacity = this.opacity; + }); + tween.onComplete(resolve).start(); + }); +}; + +SphereRenderer.prototype.onTextureLoaded_ = function(texture) { + var sphereLeft; + var sphereRight; + if (this.isStereo) { + sphereLeft = this.createPhotosphere_(texture, {offsetY: 0.5, scaleY: 0.5}); + sphereRight = this.createPhotosphere_(texture, {offsetY: 0, scaleY: 0.5}); + } else { + sphereLeft = this.createPhotosphere_(texture); + sphereRight = this.createPhotosphere_(texture); + } + + // Display in left and right eye respectively. + sphereLeft.layers.set(Eyes.LEFT); + sphereLeft.eye = Eyes.LEFT; + sphereLeft.name = 'eyeLeft'; + sphereRight.layers.set(Eyes.RIGHT); + sphereRight.eye = Eyes.RIGHT; + sphereRight.name = 'eyeRight'; + + + this.scene.getObjectByName('photo').children = [sphereLeft, sphereRight]; + + this.resolve(); +}; + +SphereRenderer.prototype.onTextureError_ = function(error) { + this.reject('Unable to load texture from "' + this.src + '"'); +}; + + +SphereRenderer.prototype.createPhotosphere_ = function(texture, opt_params) { + var p = opt_params || {}; + p.scaleX = p.scaleX || 1; + p.scaleY = p.scaleY || 1; + p.offsetX = p.offsetX || 0; + p.offsetY = p.offsetY || 0; + p.phiStart = p.phiStart || 0; + p.phiLength = p.phiLength || Math.PI * 2; + p.thetaStart = p.thetaStart || 0; + p.thetaLength = p.thetaLength || Math.PI; + + var geometry = new THREE.SphereGeometry(1, 48, 48, + p.phiStart, p.phiLength, p.thetaStart, p.thetaLength); + geometry.applyMatrix(new THREE.Matrix4().makeScale(-1, 1, 1)); + var uvs = geometry.faceVertexUvs[0]; + for (var i = 0; i < uvs.length; i ++) { + for (var j = 0; j < 3; j ++) { + uvs[i][j].x *= p.scaleX; + uvs[i][j].x += p.offsetX; + uvs[i][j].y *= p.scaleY; + uvs[i][j].y += p.offsetY; + } + } + + var material; + if (texture.format === THREE.RGBAFormat && texture.flipY === false) { + material = new THREE.ShaderMaterial({ + uniforms: { + texture: { value: texture } + }, + vertexShader: [ + "varying vec2 vUV;", + "void main() {", + " vUV = vec2( uv.x, 1.0 - uv.y );", + " gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );", + "}" + ].join("\n"), + fragmentShader: [ + "uniform sampler2D texture;", + "varying vec2 vUV;", + "void main() {", + " gl_FragColor = texture2D( texture, vUV )" + (Util.isIOS() ? ".bgra" : "") + ";", + "}" + ].join("\n") + }); + } else { + material = new THREE.MeshBasicMaterial({ map: texture }); + } + var out = new THREE.Mesh(geometry, material); + //out.visible = false; + out.renderOrder = -1; + return out; +}; + +SphereRenderer.prototype.createOpacityMask_ = function() { + var geometry = new THREE.SphereGeometry(0.49, 48, 48); + var material = new THREE.MeshBasicMaterial({ + color: 0x000000, side: THREE.DoubleSide, opacity: 0, transparent: true}); + var opacityMask = new THREE.Mesh(geometry, material); + opacityMask.name = 'opacityMask'; + opacityMask.renderOrder = 1; + + this.scene.add(opacityMask); + return opacityMask; +}; + +module.exports = SphereRenderer; + +},{"../util":45,"../video-type":46,"./eyes":34,"@tweenjs/tween.js":1}],42:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Util = _dereq_('../util'); + +/** + * A proxy class for working around the fact that as soon as a video is play()ed + * on iOS, Safari auto-fullscreens the video. + * + * TODO(smus): The entire raison d'etre for this class is to work around this + * issue. Once Safari implements some way to suppress this fullscreen player, we + * can remove this code. + */ +function VideoProxy(videoElement) { + this.videoElement = videoElement; + // True if we're currently manually advancing the playhead (only on iOS). + this.isFakePlayback = false; + + // When the video started playing. + this.startTime = null; +} + +VideoProxy.prototype.play = function() { + if (Util.isIOS9OrLess()) { + this.startTime = performance.now(); + this.isFakePlayback = true; + + // Make an audio element to playback just the audio part. + this.audioElement = new Audio(); + this.audioElement.src = this.videoElement.src; + this.audioElement.play(); + } else { + this.videoElement.play().then(function(e) { + console.log('Playing video.', e); + }); + } +}; + +VideoProxy.prototype.pause = function() { + if (Util.isIOS9OrLess() && this.isFakePlayback) { + this.isFakePlayback = true; + + this.audioElement.pause(); + } else { + this.videoElement.pause(); + } +}; + +VideoProxy.prototype.setVolume = function(volumeLevel) { + if (this.videoElement) { + // On iOS 10, the VideoElement.volume property is read-only. So we special + // case muting and unmuting. + if (Util.isIOS()) { + this.videoElement.muted = (volumeLevel === 0); + } else { + this.videoElement.volume = volumeLevel; + } + } + if (this.audioElement) { + this.audioElement.volume = volumeLevel; + } +}; + +/** + * Set the attribute mute of the elements according with the muteState param. + * + * @param bool muteState + */ +VideoProxy.prototype.mute = function(muteState) { + if (this.videoElement) { + this.videoElement.muted = muteState; + } + if (this.audioElement) { + this.audioElement.muted = muteState; + } +}; + +VideoProxy.prototype.getCurrentTime = function() { + return Util.isIOS9OrLess() ? this.audioElement.currentTime : this.videoElement.currentTime; +}; + +/** + * + * @param {Object} time + */ +VideoProxy.prototype.setCurrentTime = function(time) { + if (this.videoElement) { + this.videoElement.currentTime = time.currentTime; + } + if (this.audioElement) { + this.audioElement.currentTime = time.currentTime; + } +}; + +/** + * Called on RAF to progress playback. + */ +VideoProxy.prototype.update = function() { + // Fakes playback for iOS only. + if (!this.isFakePlayback) { + return; + } + var duration = this.videoElement.duration; + var now = performance.now(); + var delta = now - this.startTime; + var deltaS = delta / 1000; + this.videoElement.currentTime = deltaS; + + // Loop through the video + if (deltaS > duration) { + this.startTime = now; + this.videoElement.currentTime = 0; + // Also restart the audio. + this.audioElement.currentTime = 0; + } +}; + +module.exports = VideoProxy; + +},{"../util":45}],43:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +var AdaptivePlayer = _dereq_('./adaptive-player'); +var EventEmitter = _dereq_('eventemitter3'); +var Eyes = _dereq_('./eyes'); +var HotspotRenderer = _dereq_('./hotspot-renderer'); +var ReticleRenderer = _dereq_('./reticle-renderer'); +var SphereRenderer = _dereq_('./sphere-renderer'); +var TWEEN = _dereq_('@tweenjs/tween.js'); +var Util = _dereq_('../util'); +var VideoProxy = _dereq_('./video-proxy'); +var WebVRManager = _dereq_('webvr-boilerplate'); + +var AUTOPAN_DURATION = 3000; +var AUTOPAN_ANGLE = 0.4; + +/** + * The main WebGL rendering entry point. Manages the scene, camera, VR-related + * rendering updates. Interacts with the WebVRManager. + * + * Coordinates the other renderers: SphereRenderer, HotspotRenderer, + * ReticleRenderer. + * + * Also manages the AdaptivePlayer and VideoProxy. + * + * Emits the following events: + * load: when the scene is loaded. + * error: if there is an error loading the scene. + * modechange(Boolean isVR): if the mode (eg. VR, fullscreen, etc) changes. + */ +function WorldRenderer(params) { + this.init_(params.hideFullscreenButton); + + this.sphereRenderer = new SphereRenderer(this.scene); + this.hotspotRenderer = new HotspotRenderer(this); + this.hotspotRenderer.on('focus', this.onHotspotFocus_.bind(this)); + this.hotspotRenderer.on('blur', this.onHotspotBlur_.bind(this)); + this.reticleRenderer = new ReticleRenderer(this.camera); + + // Get the VR Display as soon as we initialize. + navigator.getVRDisplays().then(function(displays) { + if (displays.length > 0) { + this.vrDisplay = displays[0]; + } + }.bind(this)); + +} +WorldRenderer.prototype = new EventEmitter(); + +WorldRenderer.prototype.render = function(time) { + this.controls.update(); + TWEEN.update(time); + this.effect.render(this.scene, this.camera); + this.hotspotRenderer.update(this.camera); +}; + +/** + * @return {Promise} When the scene is fully loaded. + */ +WorldRenderer.prototype.setScene = function(scene) { + var self = this; + var promise = new Promise(function(resolve, reject) { + self.sceneResolve = resolve; + self.sceneReject = reject; + }); + + if (!scene || !scene.isValid()) { + this.didLoadFail_(scene.errorMessage); + return; + } + + var params = { + isStereo: scene.isStereo, + loop: scene.loop, + volume: scene.volume, + muted: scene.muted + }; + + this.setDefaultYaw_(scene.defaultYaw || 0); + + // Disable VR mode if explicitly disabled, or if we're loading a video on iOS + // 9 or earlier. + if (scene.isVROff || (scene.video && Util.isIOS9OrLess())) { + this.manager.setVRCompatibleOverride(false); + } + + // Set various callback overrides in iOS. + if (Util.isIOS()) { + this.manager.setFullscreenCallback(function() { + Util.sendParentMessage({type: 'enter-fullscreen'}); + }); + this.manager.setExitFullscreenCallback(function() { + Util.sendParentMessage({type: 'exit-fullscreen'}); + }); + this.manager.setVRCallback(function() { + Util.sendParentMessage({type: 'enter-vr'}); + }); + } + + // If we're dealing with an image, and not a video. + if (scene.image && !scene.video) { + if (scene.preview) { + // First load the preview. + this.sphereRenderer.setPhotosphere(scene.preview, params).then(function() { + // As soon as something is loaded, emit the load event to hide the + // loading progress bar. + self.didLoad_(); + // Then load the full resolution image. + self.sphereRenderer.setPhotosphere(scene.image, params); + }).catch(self.didLoadFail_.bind(self)); + } else { + // No preview -- go straight to rendering the full image. + this.sphereRenderer.setPhotosphere(scene.image, params).then(function() { + self.didLoad_(); + }).catch(self.didLoadFail_.bind(self)); + } + } else if (scene.video) { + if (Util.isIE11()) { + // On IE 11, if an 'image' param is provided, load it instead of showing + // an error. + // + // TODO(smus): Once video textures are supported, remove this fallback. + if (scene.image) { + this.sphereRenderer.setPhotosphere(scene.image, params).then(function() { + self.didLoad_(); + }).catch(self.didLoadFail_.bind(self)); + } else { + this.didLoadFail_('Video is not supported on IE11.'); + } + } else { + this.player = new AdaptivePlayer(params); + this.player.on('load', function(videoElement, videoType) { + self.sphereRenderer.set360Video(videoElement, videoType, params).then(function() { + self.didLoad_({videoElement: videoElement}); + }).catch(self.didLoadFail_.bind(self)); + }); + this.player.on('error', function(error) { + self.didLoadFail_('Video load error: ' + error); + }); + this.player.load(scene.video); + + this.videoProxy = new VideoProxy(this.player.video); + } + } + + this.sceneInfo = scene; + if (Util.isDebug()) { + console.log('Loaded scene', scene); + } + + return promise; +}; + +WorldRenderer.prototype.isVRMode = function() { + return !!this.vrDisplay && this.vrDisplay.isPresenting; +}; + +WorldRenderer.prototype.submitFrame = function() { + if (this.isVRMode()) { + this.vrDisplay.submitFrame(); + } +}; + +WorldRenderer.prototype.disposeEye_ = function(eye) { + if (eye) { + if (eye.material.map) { + eye.material.map.dispose(); + } + eye.material.dispose(); + eye.geometry.dispose(); + } +}; + +WorldRenderer.prototype.dispose = function() { + var eyeLeft = this.scene.getObjectByName('eyeLeft'); + this.disposeEye_(eyeLeft); + var eyeRight = this.scene.getObjectByName('eyeRight'); + this.disposeEye_(eyeRight); +}; + +WorldRenderer.prototype.destroy = function() { + if (this.player) { + this.player.removeAllListeners(); + this.player.destroy(); + this.player = null; + } + var photo = this.scene.getObjectByName('photo'); + var eyeLeft = this.scene.getObjectByName('eyeLeft'); + var eyeRight = this.scene.getObjectByName('eyeRight'); + + if (eyeLeft) { + this.disposeEye_(eyeLeft); + photo.remove(eyeLeft); + this.scene.remove(eyeLeft); + } + + if (eyeRight) { + this.disposeEye_(eyeRight); + photo.remove(eyeRight); + this.scene.remove(eyeRight); + } +}; + +WorldRenderer.prototype.didLoad_ = function(opt_event) { + var event = opt_event || {}; + this.emit('load', event); + if (this.sceneResolve) { + this.sceneResolve(); + } +}; + +WorldRenderer.prototype.didLoadFail_ = function(message) { + this.emit('error', message); + if (this.sceneReject) { + this.sceneReject(message); + } +}; + +/** + * Sets the default yaw. + * @param {Number} angleRad The yaw in radians. + */ +WorldRenderer.prototype.setDefaultYaw_ = function(angleRad) { + // Rotate the camera parent to take into account the scene's rotation. + // By default, it should be at the center of the image. + var display = this.controls.getVRDisplay(); + // For desktop, we subtract the current display Y axis + var theta = display.theta_ || 0; + // For devices with orientation we make the current view center + if (display.poseSensor_) { + display.poseSensor_.resetPose(); + } + this.camera.parent.rotation.y = (Math.PI / 2.0) + angleRad - theta; +}; + +/** + * Do the initial camera tween to rotate the camera, giving an indication that + * there is live content there (on desktop only). + */ +WorldRenderer.prototype.autopan = function(duration) { + var targetY = this.camera.parent.rotation.y - AUTOPAN_ANGLE; + var tween = new TWEEN.Tween(this.camera.parent.rotation) + .to({y: targetY}, AUTOPAN_DURATION) + .easing(TWEEN.Easing.Quadratic.Out) + .start(); +}; + +WorldRenderer.prototype.init_ = function(hideFullscreenButton) { + var container = document.querySelector('body'); + var aspect = window.innerWidth / window.innerHeight; + var camera = new THREE.PerspectiveCamera(75, aspect, 0.1, 100); + camera.layers.enable(1); + + var cameraDummy = new THREE.Object3D(); + cameraDummy.add(camera); + + // Antialiasing disabled to improve performance. + var renderer = new THREE.WebGLRenderer({antialias: false}); + renderer.setClearColor(0x000000, 0); + renderer.setSize(window.innerWidth, window.innerHeight); + renderer.setPixelRatio(window.devicePixelRatio); + + container.appendChild(renderer.domElement); + + var controls = new THREE.VRControls(camera); + var effect = new THREE.VREffect(renderer); + + // Disable eye separation. + effect.scale = 0; + effect.setSize(window.innerWidth, window.innerHeight); + + // Present submission of frames automatically. This is done manually in + // submitFrame(). + effect.autoSubmitFrame = false; + + this.camera = camera; + this.renderer = renderer; + this.effect = effect; + this.controls = controls; + this.manager = new WebVRManager(renderer, effect, {predistorted: false, hideButton: hideFullscreenButton}); + + this.scene = this.createScene_(); + this.scene.add(this.camera.parent); + + + // Watch the resize event. + window.addEventListener('resize', this.onResize_.bind(this)); + + // Prevent context menu. + window.addEventListener('contextmenu', this.onContextMenu_.bind(this)); + + window.addEventListener('vrdisplaypresentchange', + this.onVRDisplayPresentChange_.bind(this)); +}; + +WorldRenderer.prototype.onResize_ = function() { + this.effect.setSize(window.innerWidth, window.innerHeight); + this.camera.aspect = window.innerWidth / window.innerHeight; + this.camera.updateProjectionMatrix(); +}; + +WorldRenderer.prototype.onVRDisplayPresentChange_ = function(e) { + if (Util.isDebug()) { + console.log('onVRDisplayPresentChange_'); + } + var isVR = this.isVRMode(); + + // If the mode changed to VR and there is at least one hotspot, show reticle. + var isReticleVisible = isVR && this.hotspotRenderer.getCount() > 0; + this.reticleRenderer.setVisibility(isReticleVisible); + + // Resize the renderer for good measure. + this.onResize_(); + + // Analytics. + if (window.analytics) { + analytics.logModeChanged(isVR); + } + + // When exiting VR mode from iOS, make sure we emit back an exit-fullscreen event. + if (!isVR && Util.isIOS()) { + Util.sendParentMessage({type: 'exit-fullscreen'}); + } + + // Emit a mode change event back to any listeners. + this.emit('modechange', isVR); +}; + +WorldRenderer.prototype.createScene_ = function(opt_params) { + var scene = new THREE.Scene(); + + // Add a group for the photosphere. + var photoGroup = new THREE.Object3D(); + photoGroup.name = 'photo'; + scene.add(photoGroup); + + return scene; +}; + +WorldRenderer.prototype.onHotspotFocus_ = function(id) { + // Set the default cursor to be a pointer. + this.setCursor_('pointer'); +}; + +WorldRenderer.prototype.onHotspotBlur_ = function(id) { + // Reset the default cursor to be the default one. + this.setCursor_(''); +}; + +WorldRenderer.prototype.setCursor_ = function(cursor) { + this.renderer.domElement.style.cursor = cursor; +}; + +WorldRenderer.prototype.onContextMenu_ = function(e) { + e.preventDefault(); + e.stopPropagation(); + return false; +}; + +module.exports = WorldRenderer; + +},{"../util":45,"./adaptive-player":33,"./eyes":34,"./hotspot-renderer":35,"./reticle-renderer":39,"./sphere-renderer":41,"./video-proxy":42,"@tweenjs/tween.js":1,"eventemitter3":3,"webvr-boilerplate":7}],44:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * Messages from the API to the embed. + */ +var Message = { + PLAY: 'play', + PAUSE: 'pause', + TIMEUPDATE: 'timeupdate', + ADD_HOTSPOT: 'addhotspot', + SET_CONTENT: 'setimage', + SET_VOLUME: 'setvolume', + MUTED: 'muted', + SET_CURRENT_TIME: 'setcurrenttime', + DEVICE_MOTION: 'devicemotion', + GET_POSITION: 'getposition', + SET_FULLSCREEN: 'setfullscreen', +}; + +module.exports = Message; + +},{}],45:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Util = window.Util || {}; + +Util.isDataURI = function(src) { + return src && src.indexOf('data:') == 0; +}; + +Util.generateUUID = function() { + function s4() { + return Math.floor((1 + Math.random()) * 0x10000) + .toString(16) + .substring(1); + } + return s4() + s4() + '-' + s4() + '-' + s4() + '-' + + s4() + '-' + s4() + s4() + s4(); +}; + +Util.isMobile = function() { + var check = false; + (function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))check = true})(navigator.userAgent||navigator.vendor||window.opera); + return check; +}; + +Util.isIOS = function() { + return /(iPad|iPhone|iPod)/g.test(navigator.userAgent); +}; + +Util.isSafari = function() { + return /^((?!chrome|android).)*safari/i.test(navigator.userAgent); +}; + +Util.cloneObject = function(obj) { + var out = {}; + for (key in obj) { + out[key] = obj[key]; + } + return out; +}; + +Util.hashCode = function(s) { + return s.split("").reduce(function(a,b){a=((a<<5)-a)+b.charCodeAt(0);return a&a},0); +}; + +Util.loadTrackSrc = function(context, src, callback, opt_progressCallback) { + var request = new XMLHttpRequest(); + request.open('GET', src, true); + request.responseType = 'arraybuffer'; + + // Decode asynchronously. + request.onload = function() { + context.decodeAudioData(request.response, function(buffer) { + callback(buffer); + }, function(e) { + console.error(e); + }); + }; + if (opt_progressCallback) { + request.onprogress = function(e) { + var percent = e.loaded / e.total; + opt_progressCallback(percent); + }; + } + request.send(); +}; + +Util.isPow2 = function(n) { + return (n & (n - 1)) == 0; +}; + +Util.capitalize = function(s) { + return s.charAt(0).toUpperCase() + s.slice(1); +}; + +Util.isIFrame = function() { + try { + return window.self !== window.top; + } catch (e) { + return true; + } +}; + +// From http://goo.gl/4WX3tg +Util.getQueryParameter = function(name) { + name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]"); + var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"), + results = regex.exec(location.search); + return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " ")); +}; + + +// From http://stackoverflow.com/questions/11871077/proper-way-to-detect-webgl-support. +Util.isWebGLEnabled = function() { + var canvas = document.createElement('canvas'); + try { gl = canvas.getContext("webgl"); } + catch (x) { gl = null; } + + if (gl == null) { + try { gl = canvas.getContext("experimental-webgl"); experimental = true; } + catch (x) { gl = null; } + } + return !!gl; +}; + +Util.clone = function(obj) { + return JSON.parse(JSON.stringify(obj)); +}; + +// From http://stackoverflow.com/questions/10140604/fastest-hypotenuse-in-javascript +Util.hypot = Math.hypot || function(x, y) { + return Math.sqrt(x*x + y*y); +}; + +// From http://stackoverflow.com/a/17447718/693934 +Util.isIE11 = function() { + return navigator.userAgent.match(/Trident/); +}; + +Util.getRectCenter = function(rect) { + return new THREE.Vector2(rect.x + rect.width/2, rect.y + rect.height/2); +}; + +Util.getScreenWidth = function() { + return Math.max(window.screen.width, window.screen.height) * + window.devicePixelRatio; +}; + +Util.getScreenHeight = function() { + return Math.min(window.screen.width, window.screen.height) * + window.devicePixelRatio; +}; + +Util.isIOS9OrLess = function() { + if (!Util.isIOS()) { + return false; + } + var re = /(iPhone|iPad|iPod) OS ([\d_]+)/; + var iOSVersion = navigator.userAgent.match(re); + if (!iOSVersion) { + return false; + } + // Get the last group. + var versionString = iOSVersion[iOSVersion.length - 1]; + var majorVersion = parseFloat(versionString); + return majorVersion <= 9; +}; + +Util.getExtension = function(url) { + return url.split('.').pop().split('?')[0]; +}; + +Util.createGetParams = function(params) { + var out = '?'; + for (var k in params) { + var paramString = k + '=' + params[k] + '&'; + out += paramString; + } + // Remove the trailing ampersand. + out.substring(0, params.length - 2); + return out; +}; + +Util.sendParentMessage = function(message) { + if (window.parent) { + parent.postMessage(message, '*'); + } +}; + +Util.parseBoolean = function(value) { + if (value == 'false' || value == 0) { + return false; + } else if (value == 'true' || value == 1) { + return true; + } else { + return !!value; + } +}; + +/** + * @param base {String} An absolute directory root. + * @param relative {String} A relative path. + * + * @returns {String} An absolute path corresponding to the rootPath. + * + * From http://stackoverflow.com/a/14780463/693934. + */ +Util.relativeToAbsolutePath = function(base, relative) { + var stack = base.split('/'); + var parts = relative.split('/'); + for (var i = 0; i < parts.length; i++) { + if (parts[i] == '.') { + continue; + } + if (parts[i] == '..') { + stack.pop(); + } else { + stack.push(parts[i]); + } + } + return stack.join('/'); +}; + +/** + * @return {Boolean} True iff the specified path is an absolute path. + */ +Util.isPathAbsolute = function(path) { + return ! /^(?:\/|[a-z]+:\/\/)/.test(path); +} + +Util.isEmptyObject = function(obj) { + return Object.getOwnPropertyNames(obj).length == 0; +}; + +Util.isDebug = function() { + return Util.parseBoolean(Util.getQueryParameter('debug')); +}; + +Util.getCurrentScript = function() { + // Note: in IE11, document.currentScript doesn't work, so we fall back to this + // hack, taken from https://goo.gl/TpExuH. + if (!document.currentScript) { + console.warn('This browser does not support document.currentScript. Trying fallback.'); + } + return document.currentScript || document.scripts[document.scripts.length - 1]; +} + + +module.exports = Util; + +},{}],46:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * Video Types + */ +var VideoTypes = { + HLS: 1, + DASH: 2, + VIDEO: 3 +}; + +module.exports = VideoTypes; +},{}]},{},[38]); diff --git a/build/embed.min.js b/build/embed.min.js new file mode 100644 index 00000000..239377ef --- /dev/null +++ b/build/embed.min.js @@ -0,0 +1 @@ +!function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return 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errorHandler=this.fullscreenErrorHandler_;element.removeEventListener("fullscreenerror",errorHandler,!1),element.removeEventListener("webkitfullscreenerror",errorHandler,!1),document.removeEventListener("mozfullscreenerror",errorHandler,!1),element.removeEventListener("msfullscreenerror",errorHandler,!1)}this.fullscreenEventTarget_=null,this.fullscreenChangeHandler_=null,this.fullscreenErrorHandler_=null}},VRDisplay.prototype.beginPresent_=function(){},VRDisplay.prototype.endPresent_=function(){},VRDisplay.prototype.submitFrame=function(pose){},VRDisplay.prototype.getEyeParameters=function(whichEye){return null},HMDVRDevice.prototype=new VRDevice,PositionSensorVRDevice.prototype=new VRDevice,module.exports.VRFrameData=function(){this.leftProjectionMatrix=new Float32Array(16),this.leftViewMatrix=new Float32Array(16),this.rightProjectionMatrix=new Float32Array(16),this.rightViewMatrix=new Float32Array(16),this.pose=null},module.exports.VRDisplay=VRDisplay,module.exports.VRDevice=VRDevice,module.exports.HMDVRDevice=HMDVRDevice,module.exports.PositionSensorVRDevice=PositionSensorVRDevice},{"./util.js":29,"./wakelock.js":31}],10:[function(_dereq_,module,exports){function CardboardDistorter(gl){this.gl=gl,this.ctxAttribs=gl.getContextAttributes(),this.meshWidth=20,this.meshHeight=20,this.bufferScale=window.WebVRConfig.BUFFER_SCALE,this.bufferWidth=gl.drawingBufferWidth,this.bufferHeight=gl.drawingBufferHeight,this.realBindFramebuffer=gl.bindFramebuffer,this.realEnable=gl.enable,this.realDisable=gl.disable,this.realColorMask=gl.colorMask,this.realClearColor=gl.clearColor,this.realViewport=gl.viewport,Util.isIOS()||(this.realCanvasWidth=Object.getOwnPropertyDescriptor(gl.canvas.__proto__,"width"),this.realCanvasHeight=Object.getOwnPropertyDescriptor(gl.canvas.__proto__,"height")),this.isPatched=!1,this.lastBoundFramebuffer=null,this.cullFace=!1,this.depthTest=!1,this.blend=!1,this.scissorTest=!1,this.stencilTest=!1,this.viewport=[0,0,0,0],this.colorMask=[!0,!0,!0,!0],this.clearColor=[0,0,0,0],this.attribs={position:0,texCoord:1},this.program=Util.linkProgram(gl,distortionVS,distortionFS,this.attribs),this.uniforms=Util.getProgramUniforms(gl,this.program),this.viewportOffsetScale=new Float32Array(8),this.setTextureBounds(),this.vertexBuffer=gl.createBuffer(),this.indexBuffer=gl.createBuffer(),this.indexCount=0,this.renderTarget=gl.createTexture(),this.framebuffer=gl.createFramebuffer(),this.depthStencilBuffer=null,this.depthBuffer=null,this.stencilBuffer=null,this.ctxAttribs.depth&&this.ctxAttribs.stencil?this.depthStencilBuffer=gl.createRenderbuffer():this.ctxAttribs.depth?this.depthBuffer=gl.createRenderbuffer():this.ctxAttribs.stencil&&(this.stencilBuffer=gl.createRenderbuffer()),this.patch(),this.onResize(),window.WebVRConfig.CARDBOARD_UI_DISABLED||(this.cardboardUI=new CardboardUI(gl))}var CardboardUI=_dereq_("./cardboard-ui.js"),Util=_dereq_("./util.js"),WGLUPreserveGLState=_dereq_("./deps/wglu-preserve-state.js"),distortionVS=["attribute vec2 position;","attribute vec3 texCoord;","varying vec2 vTexCoord;","uniform vec4 viewportOffsetScale[2];","void main() {"," vec4 viewport = viewportOffsetScale[int(texCoord.z)];"," vTexCoord = (texCoord.xy * viewport.zw) + viewport.xy;"," gl_Position = vec4( position, 1.0, 1.0 );","}"].join("\n"),distortionFS=["precision mediump float;","uniform sampler2D diffuse;","varying vec2 vTexCoord;","void main() {"," gl_FragColor = texture2D(diffuse, vTexCoord);","}"].join("\n");CardboardDistorter.prototype.destroy=function(){var gl=this.gl;this.unpatch(),gl.deleteProgram(this.program),gl.deleteBuffer(this.vertexBuffer),gl.deleteBuffer(this.indexBuffer),gl.deleteTexture(this.renderTarget),gl.deleteFramebuffer(this.framebuffer),this.depthStencilBuffer&&gl.deleteRenderbuffer(this.depthStencilBuffer),this.depthBuffer&&gl.deleteRenderbuffer(this.depthBuffer),this.stencilBuffer&&gl.deleteRenderbuffer(this.stencilBuffer),this.cardboardUI&&this.cardboardUI.destroy()},CardboardDistorter.prototype.onResize=function(){var gl=this.gl,self=this,glState=[gl.RENDERBUFFER_BINDING,gl.TEXTURE_BINDING_2D,gl.TEXTURE0];WGLUPreserveGLState(gl,glState,function(gl){self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,null),self.scissorTest&&self.realDisable.call(gl,gl.SCISSOR_TEST),self.realColorMask.call(gl,!0,!0,!0,!0),self.realViewport.call(gl,0,0,gl.drawingBufferWidth,gl.drawingBufferHeight),self.realClearColor.call(gl,0,0,0,1),gl.clear(gl.COLOR_BUFFER_BIT),self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,self.framebuffer),gl.bindTexture(gl.TEXTURE_2D,self.renderTarget),gl.texImage2D(gl.TEXTURE_2D,0,self.ctxAttribs.alpha?gl.RGBA:gl.RGB,self.bufferWidth,self.bufferHeight,0,self.ctxAttribs.alpha?gl.RGBA:gl.RGB,gl.UNSIGNED_BYTE,null),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,gl.LINEAR),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.LINEAR),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE),gl.framebufferTexture2D(gl.FRAMEBUFFER,gl.COLOR_ATTACHMENT0,gl.TEXTURE_2D,self.renderTarget,0),self.ctxAttribs.depth&&self.ctxAttribs.stencil?(gl.bindRenderbuffer(gl.RENDERBUFFER,self.depthStencilBuffer),gl.renderbufferStorage(gl.RENDERBUFFER,gl.DEPTH_STENCIL,self.bufferWidth,self.bufferHeight),gl.framebufferRenderbuffer(gl.FRAMEBUFFER,gl.DEPTH_STENCIL_ATTACHMENT,gl.RENDERBUFFER,self.depthStencilBuffer)):self.ctxAttribs.depth?(gl.bindRenderbuffer(gl.RENDERBUFFER,self.depthBuffer),gl.renderbufferStorage(gl.RENDERBUFFER,gl.DEPTH_COMPONENT16,self.bufferWidth,self.bufferHeight),gl.framebufferRenderbuffer(gl.FRAMEBUFFER,gl.DEPTH_ATTACHMENT,gl.RENDERBUFFER,self.depthBuffer)):self.ctxAttribs.stencil&&(gl.bindRenderbuffer(gl.RENDERBUFFER,self.stencilBuffer),gl.renderbufferStorage(gl.RENDERBUFFER,gl.STENCIL_INDEX8,self.bufferWidth,self.bufferHeight),gl.framebufferRenderbuffer(gl.FRAMEBUFFER,gl.STENCIL_ATTACHMENT,gl.RENDERBUFFER,self.stencilBuffer)),!gl.checkFramebufferStatus(gl.FRAMEBUFFER)===gl.FRAMEBUFFER_COMPLETE&&console.error("Framebuffer incomplete!"),self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,self.lastBoundFramebuffer),self.scissorTest&&self.realEnable.call(gl,gl.SCISSOR_TEST),self.realColorMask.apply(gl,self.colorMask),self.realViewport.apply(gl,self.viewport),self.realClearColor.apply(gl,self.clearColor)}),this.cardboardUI&&this.cardboardUI.onResize()},CardboardDistorter.prototype.patch=function(){if(!this.isPatched){var self=this,canvas=this.gl.canvas,gl=this.gl;Util.isIOS()||(canvas.width=Util.getScreenWidth()*this.bufferScale,canvas.height=Util.getScreenHeight()*this.bufferScale,Object.defineProperty(canvas,"width",{configurable:!0,enumerable:!0,get:function(){return self.bufferWidth},set:function(value){self.bufferWidth=value,self.realCanvasWidth.set.call(canvas,value),self.onResize()}}),Object.defineProperty(canvas,"height",{configurable:!0,enumerable:!0,get:function(){return self.bufferHeight},set:function(value){self.bufferHeight=value,self.realCanvasHeight.set.call(canvas,value),self.onResize()}})),this.lastBoundFramebuffer=gl.getParameter(gl.FRAMEBUFFER_BINDING),null==this.lastBoundFramebuffer&&(this.lastBoundFramebuffer=this.framebuffer,this.gl.bindFramebuffer(gl.FRAMEBUFFER,this.framebuffer)),this.gl.bindFramebuffer=function(target,framebuffer){self.lastBoundFramebuffer=framebuffer||self.framebuffer,self.realBindFramebuffer.call(gl,target,self.lastBoundFramebuffer)},this.cullFace=gl.getParameter(gl.CULL_FACE),this.depthTest=gl.getParameter(gl.DEPTH_TEST),this.blend=gl.getParameter(gl.BLEND),this.scissorTest=gl.getParameter(gl.SCISSOR_TEST),this.stencilTest=gl.getParameter(gl.STENCIL_TEST),gl.enable=function(pname){switch(pname){case gl.CULL_FACE:self.cullFace=!0;break;case gl.DEPTH_TEST:self.depthTest=!0;break;case gl.BLEND:self.blend=!0;break;case gl.SCISSOR_TEST:self.scissorTest=!0;break;case gl.STENCIL_TEST:self.stencilTest=!0}self.realEnable.call(gl,pname)},gl.disable=function(pname){switch(pname){case gl.CULL_FACE:self.cullFace=!1;break;case gl.DEPTH_TEST:self.depthTest=!1;break;case gl.BLEND:self.blend=!1;break;case gl.SCISSOR_TEST:self.scissorTest=!1;break;case gl.STENCIL_TEST:self.stencilTest=!1}self.realDisable.call(gl,pname)},this.colorMask=gl.getParameter(gl.COLOR_WRITEMASK),gl.colorMask=function(r,g,b,a){self.colorMask[0]=r,self.colorMask[1]=g,self.colorMask[2]=b,self.colorMask[3]=a,self.realColorMask.call(gl,r,g,b,a)},this.clearColor=gl.getParameter(gl.COLOR_CLEAR_VALUE),gl.clearColor=function(r,g,b,a){self.clearColor[0]=r,self.clearColor[1]=g,self.clearColor[2]=b,self.clearColor[3]=a,self.realClearColor.call(gl,r,g,b,a)},this.viewport=gl.getParameter(gl.VIEWPORT),gl.viewport=function(x,y,w,h){self.viewport[0]=x,self.viewport[1]=y,self.viewport[2]=w,self.viewport[3]=h,self.realViewport.call(gl,x,y,w,h)},this.isPatched=!0,Util.safariCssSizeWorkaround(canvas)}},CardboardDistorter.prototype.unpatch=function(){if(this.isPatched){var gl=this.gl,canvas=this.gl.canvas;Util.isIOS()||(Object.defineProperty(canvas,"width",this.realCanvasWidth),Object.defineProperty(canvas,"height",this.realCanvasHeight)),canvas.width=this.bufferWidth,canvas.height=this.bufferHeight,gl.bindFramebuffer=this.realBindFramebuffer,gl.enable=this.realEnable,gl.disable=this.realDisable,gl.colorMask=this.realColorMask,gl.clearColor=this.realClearColor,gl.viewport=this.realViewport,this.lastBoundFramebuffer==this.framebuffer&&gl.bindFramebuffer(gl.FRAMEBUFFER,null),this.isPatched=!1,setTimeout(function(){Util.safariCssSizeWorkaround(canvas)},1)}},CardboardDistorter.prototype.setTextureBounds=function(leftBounds,rightBounds){leftBounds||(leftBounds=[0,0,.5,1]),rightBounds||(rightBounds=[.5,0,.5,1]),this.viewportOffsetScale[0]=leftBounds[0],this.viewportOffsetScale[1]=leftBounds[1],this.viewportOffsetScale[2]=leftBounds[2],this.viewportOffsetScale[3]=leftBounds[3],this.viewportOffsetScale[4]=rightBounds[0],this.viewportOffsetScale[5]=rightBounds[1],this.viewportOffsetScale[6]=rightBounds[2],this.viewportOffsetScale[7]=rightBounds[3]},CardboardDistorter.prototype.submitFrame=function(){var gl=this.gl,self=this,glState=[];if(window.WebVRConfig.DIRTY_SUBMIT_FRAME_BINDINGS||glState.push(gl.CURRENT_PROGRAM,gl.ARRAY_BUFFER_BINDING,gl.ELEMENT_ARRAY_BUFFER_BINDING,gl.TEXTURE_BINDING_2D,gl.TEXTURE0),WGLUPreserveGLState(gl,glState,function(gl){self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,null),self.cullFace&&self.realDisable.call(gl,gl.CULL_FACE),self.depthTest&&self.realDisable.call(gl,gl.DEPTH_TEST),self.blend&&self.realDisable.call(gl,gl.BLEND),self.scissorTest&&self.realDisable.call(gl,gl.SCISSOR_TEST),self.stencilTest&&self.realDisable.call(gl,gl.STENCIL_TEST),self.realColorMask.call(gl,!0,!0,!0,!0),self.realViewport.call(gl,0,0,gl.drawingBufferWidth,gl.drawingBufferHeight),(self.ctxAttribs.alpha||Util.isIOS())&&(self.realClearColor.call(gl,0,0,0,1),gl.clear(gl.COLOR_BUFFER_BIT)),gl.useProgram(self.program),gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,self.indexBuffer),gl.bindBuffer(gl.ARRAY_BUFFER,self.vertexBuffer),gl.enableVertexAttribArray(self.attribs.position),gl.enableVertexAttribArray(self.attribs.texCoord),gl.vertexAttribPointer(self.attribs.position,2,gl.FLOAT,!1,20,0),gl.vertexAttribPointer(self.attribs.texCoord,3,gl.FLOAT,!1,20,8),gl.activeTexture(gl.TEXTURE0),gl.uniform1i(self.uniforms.diffuse,0),gl.bindTexture(gl.TEXTURE_2D,self.renderTarget),gl.uniform4fv(self.uniforms.viewportOffsetScale,self.viewportOffsetScale),gl.drawElements(gl.TRIANGLES,self.indexCount,gl.UNSIGNED_SHORT,0),self.cardboardUI&&self.cardboardUI.renderNoState(),self.realBindFramebuffer.call(self.gl,gl.FRAMEBUFFER,self.framebuffer),self.ctxAttribs.preserveDrawingBuffer||(self.realClearColor.call(gl,0,0,0,0),gl.clear(gl.COLOR_BUFFER_BIT)),window.WebVRConfig.DIRTY_SUBMIT_FRAME_BINDINGS||self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,self.lastBoundFramebuffer),self.cullFace&&self.realEnable.call(gl,gl.CULL_FACE),self.depthTest&&self.realEnable.call(gl,gl.DEPTH_TEST),self.blend&&self.realEnable.call(gl,gl.BLEND),self.scissorTest&&self.realEnable.call(gl,gl.SCISSOR_TEST),self.stencilTest&&self.realEnable.call(gl,gl.STENCIL_TEST),self.realColorMask.apply(gl,self.colorMask),self.realViewport.apply(gl,self.viewport),!self.ctxAttribs.alpha&&self.ctxAttribs.preserveDrawingBuffer||self.realClearColor.apply(gl,self.clearColor)}),Util.isIOS()){var canvas=gl.canvas;canvas.width==self.bufferWidth&&canvas.height==self.bufferHeight||(self.bufferWidth=canvas.width,self.bufferHeight=canvas.height,self.onResize())}},CardboardDistorter.prototype.updateDeviceInfo=function(deviceInfo){var gl=this.gl,self=this,glState=[gl.ARRAY_BUFFER_BINDING,gl.ELEMENT_ARRAY_BUFFER_BINDING];WGLUPreserveGLState(gl,glState,function(gl){var vertices=self.computeMeshVertices_(self.meshWidth,self.meshHeight,deviceInfo);if(gl.bindBuffer(gl.ARRAY_BUFFER,self.vertexBuffer),gl.bufferData(gl.ARRAY_BUFFER,vertices,gl.STATIC_DRAW),!self.indexCount){var indices=self.computeMeshIndices_(self.meshWidth,self.meshHeight);gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,self.indexBuffer),gl.bufferData(gl.ELEMENT_ARRAY_BUFFER,indices,gl.STATIC_DRAW),self.indexCount=indices.length}})},CardboardDistorter.prototype.computeMeshVertices_=function(width,height,deviceInfo){for(var vertices=new Float32Array(2*width*height*5),lensFrustum=deviceInfo.getLeftEyeVisibleTanAngles(),noLensFrustum=deviceInfo.getLeftEyeNoLensTanAngles(),viewport=deviceInfo.getLeftEyeVisibleScreenRect(noLensFrustum),vidx=0,e=0;e<2;e++){for(var j=0;jmidline-42&&event.clientXcanvas.clientHeight-42?optionsCallback(event):event.clientX<42&&event.clientY<42&&backCallback(event)},canvas.addEventListener("click",this.listener,!1)},CardboardUI.prototype.onResize=function(){var gl=this.gl,self=this,glState=[gl.ARRAY_BUFFER_BINDING];WGLUPreserveGLState(gl,glState,function(gl){function addGearSegment(theta,r){var angle=(90-theta)*DEG2RAD,x=Math.cos(angle),y=Math.sin(angle);vertices.push(kInnerRadius*x*buttonScale+midline,kInnerRadius*y*buttonScale+buttonScale),vertices.push(r*x*buttonScale+midline,r*y*buttonScale+buttonScale)}function addArrowVertex(x,y){vertices.push(buttonBorder+x,gl.drawingBufferHeight-buttonBorder-y)}var vertices=[],midline=gl.drawingBufferWidth/2,physicalPixels=Math.max(screen.width,screen.height)*window.devicePixelRatio,dps=gl.drawingBufferWidth/physicalPixels*window.devicePixelRatio,lineWidth=4*dps/2,buttonSize=42*dps,buttonScale=28*dps/2,buttonBorder=14*dps;vertices.push(midline-lineWidth,buttonSize),vertices.push(midline-lineWidth,gl.drawingBufferHeight),vertices.push(midline+lineWidth,buttonSize),vertices.push(midline+lineWidth,gl.drawingBufferHeight),self.gearOffset=vertices.length/2;for(var i=0;i<=6;i++){var segmentTheta=60*i;addGearSegment(segmentTheta,1),addGearSegment(segmentTheta+12,1),addGearSegment(segmentTheta+20,.75),addGearSegment(segmentTheta+40,.75),addGearSegment(segmentTheta+48,1)}self.gearVertexCount=vertices.length/2-self.gearOffset,self.arrowOffset=vertices.length/2;var angledLineWidth=lineWidth/Math.sin(45*DEG2RAD);addArrowVertex(0,buttonScale),addArrowVertex(buttonScale,0),addArrowVertex(buttonScale+angledLineWidth,angledLineWidth),addArrowVertex(angledLineWidth,buttonScale+angledLineWidth),addArrowVertex(angledLineWidth,buttonScale-angledLineWidth),addArrowVertex(0,buttonScale),addArrowVertex(buttonScale,2*buttonScale),addArrowVertex(buttonScale+angledLineWidth,2*buttonScale-angledLineWidth),addArrowVertex(angledLineWidth,buttonScale-angledLineWidth),addArrowVertex(0,buttonScale),addArrowVertex(angledLineWidth,buttonScale-lineWidth),addArrowVertex(28*dps,buttonScale-lineWidth),addArrowVertex(angledLineWidth,buttonScale+lineWidth),addArrowVertex(28*dps,buttonScale+lineWidth),self.arrowVertexCount=vertices.length/2-self.arrowOffset,gl.bindBuffer(gl.ARRAY_BUFFER,self.vertexBuffer),gl.bufferData(gl.ARRAY_BUFFER,new Float32Array(vertices),gl.STATIC_DRAW)})},CardboardUI.prototype.render=function(){var gl=this.gl,self=this,glState=[gl.CULL_FACE,gl.DEPTH_TEST,gl.BLEND,gl.SCISSOR_TEST,gl.STENCIL_TEST,gl.COLOR_WRITEMASK,gl.VIEWPORT,gl.CURRENT_PROGRAM,gl.ARRAY_BUFFER_BINDING];WGLUPreserveGLState(gl,glState,function(gl){gl.disable(gl.CULL_FACE),gl.disable(gl.DEPTH_TEST),gl.disable(gl.BLEND),gl.disable(gl.SCISSOR_TEST),gl.disable(gl.STENCIL_TEST),gl.colorMask(!0,!0,!0,!0),gl.viewport(0,0,gl.drawingBufferWidth,gl.drawingBufferHeight),self.renderNoState()})},CardboardUI.prototype.renderNoState=function(){var gl=this.gl;gl.useProgram(this.program),gl.bindBuffer(gl.ARRAY_BUFFER,this.vertexBuffer),gl.enableVertexAttribArray(this.attribs.position),gl.vertexAttribPointer(this.attribs.position,2,gl.FLOAT,!1,8,0),gl.uniform4f(this.uniforms.color,1,1,1,1),Util.orthoMatrix(this.projMat,0,gl.drawingBufferWidth,0,gl.drawingBufferHeight,.1,1024),gl.uniformMatrix4fv(this.uniforms.projectionMat,!1,this.projMat),gl.drawArrays(gl.TRIANGLE_STRIP,0,4),gl.drawArrays(gl.TRIANGLE_STRIP,this.gearOffset,this.gearVertexCount),gl.drawArrays(gl.TRIANGLE_STRIP,this.arrowOffset,this.arrowVertexCount)},module.exports=CardboardUI},{"./deps/wglu-preserve-state.js":13,"./util.js":29}],12:[function(_dereq_,module,exports){function CardboardVRDisplay(){this.displayName="Cardboard VRDisplay (webvr-polyfill)",this.capabilities.hasOrientation=!0,this.capabilities.canPresent=!0,this.bufferScale_=window.WebVRConfig.BUFFER_SCALE,this.poseSensor_=new FusionPoseSensor,this.distorter_=null,this.cardboardUI_=null,this.dpdb_=new Dpdb(!0,this.onDeviceParamsUpdated_.bind(this)),this.deviceInfo_=new DeviceInfo(this.dpdb_.getDeviceParams()),this.viewerSelector_=new ViewerSelector,this.viewerSelector_.onChange(this.onViewerChanged_.bind(this)),this.deviceInfo_.setViewer(this.viewerSelector_.getCurrentViewer()),window.WebVRConfig.ROTATE_INSTRUCTIONS_DISABLED||(this.rotateInstructions_=new RotateInstructions),Util.isIOS()&&window.addEventListener("resize",this.onResize_.bind(this))}var CardboardDistorter=_dereq_("./cardboard-distorter.js"),CardboardUI=_dereq_("./cardboard-ui.js"),DeviceInfo=_dereq_("./device-info.js"),Dpdb=_dereq_("./dpdb/dpdb.js"),FusionPoseSensor=_dereq_("./sensor-fusion/fusion-pose-sensor.js"),RotateInstructions=_dereq_("./rotate-instructions.js"),ViewerSelector=_dereq_("./viewer-selector.js"),VRDisplay=_dereq_("./base.js").VRDisplay,Util=_dereq_("./util.js"),Eye={LEFT:"left",RIGHT:"right"};(CardboardVRDisplay.prototype=new VRDisplay).getImmediatePose=function(){return{position:this.poseSensor_.getPosition(),orientation:this.poseSensor_.getOrientation(),linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},CardboardVRDisplay.prototype.resetPose=function(){this.poseSensor_.resetPose()},CardboardVRDisplay.prototype.getEyeParameters=function(whichEye){var fieldOfView,offset=[.5*this.deviceInfo_.viewer.interLensDistance,0,0];if(whichEye==Eye.LEFT)offset[0]*=-1,fieldOfView=this.deviceInfo_.getFieldOfViewLeftEye();else{if(whichEye!=Eye.RIGHT)return console.error("Invalid eye provided: %s",whichEye),null;fieldOfView=this.deviceInfo_.getFieldOfViewRightEye()}return{fieldOfView:fieldOfView,offset:offset,renderWidth:.5*this.deviceInfo_.device.width*this.bufferScale_,renderHeight:this.deviceInfo_.device.height*this.bufferScale_}},CardboardVRDisplay.prototype.onDeviceParamsUpdated_=function(newParams){Util.isDebug()&&console.log("DPDB reported that device params were updated."),this.deviceInfo_.updateDeviceParams(newParams),this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_)},CardboardVRDisplay.prototype.updateBounds_=function(){this.layer_&&this.distorter_&&(this.layer_.leftBounds||this.layer_.rightBounds)&&this.distorter_.setTextureBounds(this.layer_.leftBounds,this.layer_.rightBounds)},CardboardVRDisplay.prototype.beginPresent_=function(){var gl=this.layer_.source.getContext("webgl");gl||(gl=this.layer_.source.getContext("experimental-webgl")),gl||(gl=this.layer_.source.getContext("webgl2")),gl&&(this.layer_.predistorted?window.WebVRConfig.CARDBOARD_UI_DISABLED||(gl.canvas.width=Util.getScreenWidth()*this.bufferScale_,gl.canvas.height=Util.getScreenHeight()*this.bufferScale_,this.cardboardUI_=new CardboardUI(gl)):(this.distorter_=new CardboardDistorter(gl),this.distorter_.updateDeviceInfo(this.deviceInfo_),this.cardboardUI_=this.distorter_.cardboardUI),this.cardboardUI_&&this.cardboardUI_.listen(function(e){this.viewerSelector_.show(this.layer_.source.parentElement),e.stopPropagation(),e.preventDefault()}.bind(this),function(e){this.exitPresent(),e.stopPropagation(),e.preventDefault()}.bind(this)),this.rotateInstructions_&&(Util.isLandscapeMode()&&Util.isMobile()?this.rotateInstructions_.showTemporarily(3e3,this.layer_.source.parentElement):this.rotateInstructions_.update()),this.orientationHandler=this.onOrientationChange_.bind(this),window.addEventListener("orientationchange",this.orientationHandler),this.vrdisplaypresentchangeHandler=this.updateBounds_.bind(this),window.addEventListener("vrdisplaypresentchange",this.vrdisplaypresentchangeHandler),this.fireVRDisplayDeviceParamsChange_())},CardboardVRDisplay.prototype.endPresent_=function(){this.distorter_&&(this.distorter_.destroy(),this.distorter_=null),this.cardboardUI_&&(this.cardboardUI_.destroy(),this.cardboardUI_=null),this.rotateInstructions_&&this.rotateInstructions_.hide(),this.viewerSelector_.hide(),window.removeEventListener("orientationchange",this.orientationHandler),window.removeEventListener("vrdisplaypresentchange",this.vrdisplaypresentchangeHandler)},CardboardVRDisplay.prototype.submitFrame=function(pose){if(this.distorter_)this.updateBounds_(),this.distorter_.submitFrame();else if(this.cardboardUI_&&this.layer_){var canvas=this.layer_.source.getContext("webgl").canvas;canvas.width==this.lastWidth&&canvas.height==this.lastHeight||this.cardboardUI_.onResize(),this.lastWidth=canvas.width,this.lastHeight=canvas.height,this.cardboardUI_.render()}},CardboardVRDisplay.prototype.onOrientationChange_=function(e){this.viewerSelector_.hide(),this.rotateInstructions_&&this.rotateInstructions_.update(),this.onResize_()},CardboardVRDisplay.prototype.onResize_=function(e){if(this.layer_){var gl=this.layer_.source.getContext("webgl"),cssProperties=["position: absolute","top: 0","left: 0","width: 100vw","height: 100vh","border: 0","margin: 0","padding: 0px","box-sizing: content-box"];gl.canvas.setAttribute("style",cssProperties.join("; ")+";"),Util.safariCssSizeWorkaround(gl.canvas)}},CardboardVRDisplay.prototype.onViewerChanged_=function(viewer){this.deviceInfo_.setViewer(viewer),this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_),this.fireVRDisplayDeviceParamsChange_()},CardboardVRDisplay.prototype.fireVRDisplayDeviceParamsChange_=function(){var event=new CustomEvent("vrdisplaydeviceparamschange",{detail:{vrdisplay:this,deviceInfo:this.deviceInfo_}});window.dispatchEvent(event)},module.exports=CardboardVRDisplay},{"./base.js":9,"./cardboard-distorter.js":10,"./cardboard-ui.js":11,"./device-info.js":14,"./dpdb/dpdb.js":18,"./rotate-instructions.js":23,"./sensor-fusion/fusion-pose-sensor.js":25,"./util.js":29,"./viewer-selector.js":30}],13:[function(_dereq_,module,exports){module.exports=function(gl,bindings,callback){if(bindings){for(var boundValues=[],activeTexture=null,i=0;igl.TEXTURE31){console.error("TEXTURE_BINDING_2D or TEXTURE_BINDING_CUBE_MAP must be followed by a valid texture unit"),boundValues.push(null,null);break}activeTexture||(activeTexture=gl.getParameter(gl.ACTIVE_TEXTURE)),gl.activeTexture(textureUnit),boundValues.push(gl.getParameter(binding),null);break;case gl.ACTIVE_TEXTURE:activeTexture=gl.getParameter(gl.ACTIVE_TEXTURE),boundValues.push(null);break;default:boundValues.push(gl.getParameter(binding))}for(callback(gl),i=0;igl.TEXTURE31)break;gl.activeTexture(textureUnit),gl.bindTexture(gl.TEXTURE_2D,boundValue);break;case gl.TEXTURE_BINDING_CUBE_MAP:var textureUnit=bindings[++i];if(textureUnitgl.TEXTURE31)break;gl.activeTexture(textureUnit),gl.bindTexture(gl.TEXTURE_CUBE_MAP,boundValue);break;case gl.VIEWPORT:gl.viewport(boundValue[0],boundValue[1],boundValue[2],boundValue[3]);break;case gl.BLEND:case gl.CULL_FACE:case gl.DEPTH_TEST:case gl.SCISSOR_TEST:case gl.STENCIL_TEST:boundValue?gl.enable(binding):gl.disable(binding);break;default:console.log("No GL restore behavior for 0x"+binding.toString(16))}activeTexture&&gl.activeTexture(activeTexture)}}else callback(gl)}},{}],14:[function(_dereq_,module,exports){function Device(params){this.width=params.width||Util.getScreenWidth(),this.height=params.height||Util.getScreenHeight(),this.widthMeters=params.widthMeters,this.heightMeters=params.heightMeters,this.bevelMeters=params.bevelMeters}function DeviceInfo(deviceParams){this.viewer=Viewers.CardboardV2,this.updateDeviceParams(deviceParams),this.distortion=new Distortion(this.viewer.distortionCoefficients)}function CardboardViewer(params){this.id=params.id,this.label=params.label,this.fov=params.fov,this.interLensDistance=params.interLensDistance,this.baselineLensDistance=params.baselineLensDistance,this.screenLensDistance=params.screenLensDistance,this.distortionCoefficients=params.distortionCoefficients,this.inverseCoefficients=params.inverseCoefficients}var Distortion=_dereq_("./distortion/distortion.js"),MathUtil=_dereq_("./math-util.js"),Util=_dereq_("./util.js"),DEFAULT_ANDROID=new Device({widthMeters:.11,heightMeters:.062,bevelMeters:.004}),DEFAULT_IOS=new Device({widthMeters:.1038,heightMeters:.0584,bevelMeters:.004}),Viewers={CardboardV1:new CardboardViewer({id:"CardboardV1",label:"Cardboard I/O 2014",fov:40,interLensDistance:.06,baselineLensDistance:.035,screenLensDistance:.042,distortionCoefficients:[.441,.156],inverseCoefficients:[-.4410035,.42756155,-.4804439,.5460139,-.58821183,.5733938,-.48303202,.33299083,-.17573841,.0651772,-.01488963,.001559834]}),CardboardV2:new CardboardViewer({id:"CardboardV2",label:"Cardboard I/O 2015",fov:60,interLensDistance:.064,baselineLensDistance:.035,screenLensDistance:.039,distortionCoefficients:[.34,.55],inverseCoefficients:[-.33836704,-.18162185,.862655,-1.2462051,1.0560602,-.58208317,.21609078,-.05444823,.009177956,-.0009904169,6183535e-11,-16981803e-13]})};DeviceInfo.prototype.updateDeviceParams=function(deviceParams){this.device=this.determineDevice_(deviceParams)||this.device},DeviceInfo.prototype.getDevice=function(){return this.device},DeviceInfo.prototype.setViewer=function(viewer){this.viewer=viewer,this.distortion=new Distortion(this.viewer.distortionCoefficients)},DeviceInfo.prototype.determineDevice_=function(deviceParams){if(!deviceParams)return Util.isIOS()?(console.warn("Using fallback iOS device measurements."),DEFAULT_IOS):(console.warn("Using fallback Android device measurements."),DEFAULT_ANDROID);var metersPerPixelX=.0254/deviceParams.xdpi,metersPerPixelY=.0254/deviceParams.ydpi;return new Device({widthMeters:metersPerPixelX*Util.getScreenWidth(),heightMeters:metersPerPixelY*Util.getScreenHeight(),bevelMeters:.001*deviceParams.bevelMm})},DeviceInfo.prototype.getDistortedFieldOfViewLeftEye=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,eyeToScreenDistance=viewer.screenLensDistance,outerDist=(device.widthMeters-viewer.interLensDistance)/2,innerDist=viewer.interLensDistance/2,bottomDist=viewer.baselineLensDistance-device.bevelMeters,topDist=device.heightMeters-bottomDist,outerAngle=MathUtil.radToDeg*Math.atan(distortion.distort(outerDist/eyeToScreenDistance)),innerAngle=MathUtil.radToDeg*Math.atan(distortion.distort(innerDist/eyeToScreenDistance)),bottomAngle=MathUtil.radToDeg*Math.atan(distortion.distort(bottomDist/eyeToScreenDistance)),topAngle=MathUtil.radToDeg*Math.atan(distortion.distort(topDist/eyeToScreenDistance));return{leftDegrees:Math.min(outerAngle,viewer.fov),rightDegrees:Math.min(innerAngle,viewer.fov),downDegrees:Math.min(bottomAngle,viewer.fov),upDegrees:Math.min(topAngle,viewer.fov)}},DeviceInfo.prototype.getLeftEyeVisibleTanAngles=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,fovLeft=Math.tan(-MathUtil.degToRad*viewer.fov),fovTop=Math.tan(MathUtil.degToRad*viewer.fov),fovRight=Math.tan(MathUtil.degToRad*viewer.fov),fovBottom=Math.tan(-MathUtil.degToRad*viewer.fov),halfWidth=device.widthMeters/4,halfHeight=device.heightMeters/2,verticalLensOffset=viewer.baselineLensDistance-device.bevelMeters-halfHeight,centerX=viewer.interLensDistance/2-halfWidth,centerY=-verticalLensOffset,centerZ=viewer.screenLensDistance,screenLeft=distortion.distort((centerX-halfWidth)/centerZ),screenTop=distortion.distort((centerY+halfHeight)/centerZ),screenRight=distortion.distort((centerX+halfWidth)/centerZ),screenBottom=distortion.distort((centerY-halfHeight)/centerZ),result=new Float32Array(4);return result[0]=Math.max(fovLeft,screenLeft),result[1]=Math.min(fovTop,screenTop),result[2]=Math.min(fovRight,screenRight),result[3]=Math.max(fovBottom,screenBottom),result},DeviceInfo.prototype.getLeftEyeNoLensTanAngles=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,result=new Float32Array(4),fovLeft=distortion.distortInverse(Math.tan(-MathUtil.degToRad*viewer.fov)),fovTop=distortion.distortInverse(Math.tan(MathUtil.degToRad*viewer.fov)),fovRight=distortion.distortInverse(Math.tan(MathUtil.degToRad*viewer.fov)),fovBottom=distortion.distortInverse(Math.tan(-MathUtil.degToRad*viewer.fov)),halfWidth=device.widthMeters/4,halfHeight=device.heightMeters/2,verticalLensOffset=viewer.baselineLensDistance-device.bevelMeters-halfHeight,centerX=viewer.interLensDistance/2-halfWidth,centerY=-verticalLensOffset,centerZ=viewer.screenLensDistance,screenLeft=(centerX-halfWidth)/centerZ,screenTop=(centerY+halfHeight)/centerZ,screenRight=(centerX+halfWidth)/centerZ,screenBottom=(centerY-halfHeight)/centerZ;return result[0]=Math.max(fovLeft,screenLeft),result[1]=Math.min(fovTop,screenTop),result[2]=Math.min(fovRight,screenRight),result[3]=Math.max(fovBottom,screenBottom),result},DeviceInfo.prototype.getLeftEyeVisibleScreenRect=function(undistortedFrustum){var viewer=this.viewer,device=this.device,dist=viewer.screenLensDistance,eyeX=(device.widthMeters-viewer.interLensDistance)/2,eyeY=viewer.baselineLensDistance-device.bevelMeters,left=(undistortedFrustum[0]*dist+eyeX)/device.widthMeters,top=(undistortedFrustum[1]*dist+eyeY)/device.heightMeters,right=(undistortedFrustum[2]*dist+eyeX)/device.widthMeters,bottom=(undistortedFrustum[3]*dist+eyeY)/device.heightMeters;return{x:left,y:bottom,width:right-left,height:top-bottom}},DeviceInfo.prototype.getFieldOfViewLeftEye=function(opt_isUndistorted){return opt_isUndistorted?this.getUndistortedFieldOfViewLeftEye():this.getDistortedFieldOfViewLeftEye()},DeviceInfo.prototype.getFieldOfViewRightEye=function(opt_isUndistorted){var fov=this.getFieldOfViewLeftEye(opt_isUndistorted);return{leftDegrees:fov.rightDegrees,rightDegrees:fov.leftDegrees,upDegrees:fov.upDegrees,downDegrees:fov.downDegrees}},DeviceInfo.prototype.getUndistortedFieldOfViewLeftEye=function(){var p=this.getUndistortedParams_();return{leftDegrees:MathUtil.radToDeg*Math.atan(p.outerDist),rightDegrees:MathUtil.radToDeg*Math.atan(p.innerDist),downDegrees:MathUtil.radToDeg*Math.atan(p.bottomDist),upDegrees:MathUtil.radToDeg*Math.atan(p.topDist)}},DeviceInfo.prototype.getUndistortedViewportLeftEye=function(){var p=this.getUndistortedParams_(),viewer=this.viewer,device=this.device,eyeToScreenDistance=viewer.screenLensDistance,screenWidth=device.widthMeters/eyeToScreenDistance,screenHeight=device.heightMeters/eyeToScreenDistance,xPxPerTanAngle=device.width/screenWidth,yPxPerTanAngle=device.height/screenHeight,x=Math.round((p.eyePosX-p.outerDist)*xPxPerTanAngle),y=Math.round((p.eyePosY-p.bottomDist)*yPxPerTanAngle);return{x:x,y:y,width:Math.round((p.eyePosX+p.innerDist)*xPxPerTanAngle)-x,height:Math.round((p.eyePosY+p.topDist)*yPxPerTanAngle)-y}},DeviceInfo.prototype.getUndistortedParams_=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,eyeToScreenDistance=viewer.screenLensDistance,halfLensDistance=viewer.interLensDistance/2/eyeToScreenDistance,screenWidth=device.widthMeters/eyeToScreenDistance,screenHeight=device.heightMeters/eyeToScreenDistance,eyePosX=screenWidth/2-halfLensDistance,eyePosY=(viewer.baselineLensDistance-device.bevelMeters)/eyeToScreenDistance,maxFov=viewer.fov,viewerMax=distortion.distortInverse(Math.tan(MathUtil.degToRad*maxFov)),outerDist=Math.min(eyePosX,viewerMax),innerDist=Math.min(halfLensDistance,viewerMax),bottomDist=Math.min(eyePosY,viewerMax);return{outerDist:outerDist,innerDist:innerDist,topDist:Math.min(screenHeight-eyePosY,viewerMax),bottomDist:bottomDist,eyePosX:eyePosX,eyePosY:eyePosY}},DeviceInfo.Viewers=Viewers,module.exports=DeviceInfo},{"./distortion/distortion.js":16,"./math-util.js":20,"./util.js":29}],15:[function(_dereq_,module,exports){function VRDisplayHMDDevice(display){this.display=display,this.hardwareUnitId=display.displayId,this.deviceId="webvr-polyfill:HMD:"+display.displayId,this.deviceName=display.displayName+" (HMD)"}function VRDisplayPositionSensorDevice(display){this.display=display,this.hardwareUnitId=display.displayId,this.deviceId="webvr-polyfill:PositionSensor: "+display.displayId,this.deviceName=display.displayName+" (PositionSensor)"}_dereq_("./base.js").VRDisplay;var HMDVRDevice=_dereq_("./base.js").HMDVRDevice,PositionSensorVRDevice=_dereq_("./base.js").PositionSensorVRDevice;(VRDisplayHMDDevice.prototype=new HMDVRDevice).getEyeParameters=function(whichEye){var eyeParameters=this.display.getEyeParameters(whichEye);return{currentFieldOfView:eyeParameters.fieldOfView,maximumFieldOfView:eyeParameters.fieldOfView,minimumFieldOfView:eyeParameters.fieldOfView,recommendedFieldOfView:eyeParameters.fieldOfView,eyeTranslation:{x:eyeParameters.offset[0],y:eyeParameters.offset[1],z:eyeParameters.offset[2]},renderRect:{x:"right"==whichEye?eyeParameters.renderWidth:0,y:0,width:eyeParameters.renderWidth,height:eyeParameters.renderHeight}}},VRDisplayHMDDevice.prototype.setFieldOfView=function(opt_fovLeft,opt_fovRight,opt_zNear,opt_zFar){},(VRDisplayPositionSensorDevice.prototype=new PositionSensorVRDevice).getState=function(){var pose=this.display.getPose();return{position:pose.position?{x:pose.position[0],y:pose.position[1],z:pose.position[2]}:null,orientation:pose.orientation?{x:pose.orientation[0],y:pose.orientation[1],z:pose.orientation[2],w:pose.orientation[3]}:null,linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},VRDisplayPositionSensorDevice.prototype.resetState=function(){return this.positionDevice.resetPose()},module.exports.VRDisplayHMDDevice=VRDisplayHMDDevice,module.exports.VRDisplayPositionSensorDevice=VRDisplayPositionSensorDevice},{"./base.js":9}],16:[function(_dereq_,module,exports){function Distortion(coefficients){this.coefficients=coefficients}Distortion.prototype.distortInverse=function(radius){for(var r0=0,r1=1,dr0=radius-this.distort(r0);Math.abs(r1-r0)>1e-4;){var dr1=radius-this.distort(r1),r2=r1-dr1*((r1-r0)/(dr1-dr0));r0=r1,r1=r2,dr0=dr1}return r1},Distortion.prototype.distort=function(radius){for(var r2=radius*radius,ret=0,i=0;i=200&&xhr.status<=299?(obj.dpdb=JSON.parse(xhr.response),obj.recalculateDeviceParams_()):console.error("Error loading online DPDB!")}),xhr.send()}}function DeviceParams(params){this.xdpi=params.xdpi,this.ydpi=params.ydpi,this.bevelMm=params.bevelMm}var DPDB_CACHE=_dereq_("./dpdb.json"),Util=_dereq_("../util.js"),ONLINE_DPDB_URL="https://dpdb.webvr.rocks/dpdb.json";Dpdb.prototype.getDeviceParams=function(){return this.deviceParams},Dpdb.prototype.recalculateDeviceParams_=function(){var newDeviceParams=this.calcDeviceParams_();newDeviceParams?(this.deviceParams=newDeviceParams,this.onDeviceParamsUpdated&&this.onDeviceParamsUpdated(this.deviceParams)):console.error("Failed to recalculate device parameters.")},Dpdb.prototype.calcDeviceParams_=function(){var db=this.dpdb;if(!db)return console.error("DPDB not available."),null;if(1!=db.format)return console.error("DPDB has unexpected format version."),null;if(!db.devices||!db.devices.length)return console.error("DPDB does not have a devices section."),null;var userAgent=navigator.userAgent||navigator.vendor||window.opera,width=Util.getScreenWidth(),height=Util.getScreenHeight();if(!db.devices)return console.error("DPDB has no devices section."),null;for(var i=0;i=1)return this.w=w,this.x=x,this.y=y,this.z=z,this;var halfTheta=Math.acos(cosHalfTheta),sinHalfTheta=Math.sqrt(1-cosHalfTheta*cosHalfTheta);if(Math.abs(sinHalfTheta)<.001)return this.w=.5*(w+this.w),this.x=.5*(x+this.x),this.y=.5*(y+this.y),this.z=.5*(z+this.z),this;var ratioA=Math.sin((1-t)*halfTheta)/sinHalfTheta,ratioB=Math.sin(t*halfTheta)/sinHalfTheta;return 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},setFromUnitVectors:function(){var v1,r;return function(vFrom,vTo){return void 0===v1&&(v1=new MathUtil.Vector3),(r=vFrom.dot(vTo)+1)<1e-6?(r=0,Math.abs(vFrom.x)>Math.abs(vFrom.z)?v1.set(-vFrom.y,vFrom.x,0):v1.set(0,-vFrom.z,vFrom.y)):v1.crossVectors(vFrom,vTo),this.x=v1.x,this.y=v1.y,this.z=v1.z,this.w=r,this.normalize(),this}}()},module.exports=MathUtil},{}],21:[function(_dereq_,module,exports){function MouseKeyboardVRDisplay(){this.displayName="Mouse and Keyboard VRDisplay (webvr-polyfill)",this.capabilities.hasOrientation=!0,window.addEventListener("keydown",this.onKeyDown_.bind(this)),window.addEventListener("mousemove",this.onMouseMove_.bind(this)),window.addEventListener("mousedown",this.onMouseDown_.bind(this)),window.addEventListener("mouseup",this.onMouseUp_.bind(this)),this.phi_=0,this.theta_=0,this.targetAngle_=null,this.angleAnimation_=null,this.orientation_=new MathUtil.Quaternion,this.rotateStart_=new MathUtil.Vector2,this.rotateEnd_=new MathUtil.Vector2,this.rotateDelta_=new MathUtil.Vector2,this.isDragging_=!1,this.orientationOut_=new Float32Array(4)}var VRDisplay=_dereq_("./base.js").VRDisplay,MathUtil=_dereq_("./math-util.js"),Util=_dereq_("./util.js");(MouseKeyboardVRDisplay.prototype=new VRDisplay).getImmediatePose=function(){return this.orientation_.setFromEulerYXZ(this.phi_,this.theta_,0),this.orientationOut_[0]=this.orientation_.x,this.orientationOut_[1]=this.orientation_.y,this.orientationOut_[2]=this.orientation_.z,this.orientationOut_[3]=this.orientation_.w,{position:null,orientation:this.orientationOut_,linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},MouseKeyboardVRDisplay.prototype.onKeyDown_=function(e){38==e.keyCode?this.animatePhi_(this.phi_+.15):39==e.keyCode?this.animateTheta_(this.theta_-.15):40==e.keyCode?this.animatePhi_(this.phi_-.15):37==e.keyCode&&this.animateTheta_(this.theta_+.15)},MouseKeyboardVRDisplay.prototype.animateTheta_=function(targetAngle){this.animateKeyTransitions_("theta_",targetAngle)},MouseKeyboardVRDisplay.prototype.animatePhi_=function(targetAngle){targetAngle=Util.clamp(targetAngle,-Math.PI/2,Math.PI/2),this.animateKeyTransitions_("phi_",targetAngle)},MouseKeyboardVRDisplay.prototype.animateKeyTransitions_=function(angleName,targetAngle){this.angleAnimation_&&cancelAnimationFrame(this.angleAnimation_);var startAngle=this[angleName],startTime=new Date;this.angleAnimation_=requestAnimationFrame(function animate(){var elapsed=new Date-startTime;if(elapsed>=80)return this[angleName]=targetAngle,void cancelAnimationFrame(this.angleAnimation_);this.angleAnimation_=requestAnimationFrame(animate.bind(this));var percent=elapsed/80;this[angleName]=startAngle+(targetAngle-startAngle)*percent}.bind(this))},MouseKeyboardVRDisplay.prototype.onMouseDown_=function(e){this.rotateStart_.set(e.clientX,e.clientY),this.isDragging_=!0},MouseKeyboardVRDisplay.prototype.onMouseMove_=function(e){if(this.isDragging_||this.isPointerLocked_()){if(this.isPointerLocked_()){var movementX=e.movementX||e.mozMovementX||0,movementY=e.movementY||e.mozMovementY||0;this.rotateEnd_.set(this.rotateStart_.x-movementX,this.rotateStart_.y-movementY)}else this.rotateEnd_.set(e.clientX,e.clientY);this.rotateDelta_.subVectors(this.rotateEnd_,this.rotateStart_),this.rotateStart_.copy(this.rotateEnd_),this.phi_+=2*Math.PI*this.rotateDelta_.y/screen.height*.3,this.theta_+=2*Math.PI*this.rotateDelta_.x/screen.width*.5,this.phi_=Util.clamp(this.phi_,-Math.PI/2,Math.PI/2)}},MouseKeyboardVRDisplay.prototype.onMouseUp_=function(e){this.isDragging_=!1},MouseKeyboardVRDisplay.prototype.isPointerLocked_=function(){return void 0!==(document.pointerLockElement||document.mozPointerLockElement||document.webkitPointerLockElement)},MouseKeyboardVRDisplay.prototype.resetPose=function(){this.phi_=0,this.theta_=0},module.exports=MouseKeyboardVRDisplay},{"./base.js":9,"./math-util.js":20,"./util.js":29}],22:[function(_dereq_,module,exports){(function(global){void 0!==global&&global.window&&(global.document=global.window.document,global.navigator=global.window.navigator),_dereq_("./main")}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./main":19}],23:[function(_dereq_,module,exports){function RotateInstructions(){this.loadIcon_();var overlay=document.createElement("div"),s=overlay.style;s.position="fixed",s.top=0,s.right=0,s.bottom=0,s.left=0,s.backgroundColor="gray",s.fontFamily="sans-serif",s.zIndex=1e6;var img=document.createElement("img");img.src=this.icon,(s=img.style).marginLeft="25%",s.marginTop="25%",s.width="50%",overlay.appendChild(img);var text=document.createElement("div");(s=text.style).textAlign="center",s.fontSize="16px",s.lineHeight="24px",s.margin="24px 25%",s.width="50%",text.innerHTML="Place your phone into your Cardboard viewer.",overlay.appendChild(text);var snackbar=document.createElement("div");(s=snackbar.style).backgroundColor="#CFD8DC",s.position="fixed",s.bottom=0,s.width="100%",s.height="48px",s.padding="14px 24px",s.boxSizing="border-box",s.color="#656A6B",overlay.appendChild(snackbar);var snackbarText=document.createElement("div");snackbarText.style.float="left",snackbarText.innerHTML="No Cardboard viewer?";var snackbarButton=document.createElement("a");snackbarButton.href="https://www.google.com/get/cardboard/get-cardboard/",snackbarButton.innerHTML="get one",snackbarButton.target="_blank",(s=snackbarButton.style).float="right",s.fontWeight=600,s.textTransform="uppercase",s.borderLeft="1px solid gray",s.paddingLeft="24px",s.textDecoration="none",s.color="#656A6B",snackbar.appendChild(snackbarText),snackbar.appendChild(snackbarButton),this.overlay=overlay,this.text=text,this.hide()}var Util=_dereq_("./util.js");RotateInstructions.prototype.show=function(parent){parent||this.overlay.parentElement?parent&&(this.overlay.parentElement&&this.overlay.parentElement!=parent&&this.overlay.parentElement.removeChild(this.overlay),parent.appendChild(this.overlay)):document.body.appendChild(this.overlay),this.overlay.style.display="block";var s=this.overlay.querySelector("img").style;Util.isLandscapeMode()?(s.width="20%",s.marginLeft="40%",s.marginTop="3%"):(s.width="50%",s.marginLeft="25%",s.marginTop="25%")},RotateInstructions.prototype.hide=function(){this.overlay.style.display="none"},RotateInstructions.prototype.showTemporarily=function(ms,parent){this.show(parent),this.timer=setTimeout(this.hide.bind(this),ms)},RotateInstructions.prototype.disableShowTemporarily=function(){clearTimeout(this.timer)},RotateInstructions.prototype.update=function(){this.disableShowTemporarily(),!Util.isLandscapeMode()&&Util.isMobile()?this.show():this.hide()},RotateInstructions.prototype.loadIcon_=function(){this.icon=Util.base64("image/svg+xml","<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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SensorSample=_dereq_("./sensor-sample.js"),MathUtil=_dereq_("../math-util.js"),Util=_dereq_("../util.js");ComplementaryFilter.prototype.addAccelMeasurement=function(vector,timestampS){this.currentAccelMeasurement.set(vector,timestampS)},ComplementaryFilter.prototype.addGyroMeasurement=function(vector,timestampS){this.currentGyroMeasurement.set(vector,timestampS);var deltaT=timestampS-this.previousGyroMeasurement.timestampS;Util.isTimestampDeltaValid(deltaT)&&this.run_(),this.previousGyroMeasurement.copy(this.currentGyroMeasurement)},ComplementaryFilter.prototype.run_=function(){if(!this.isOrientationInitialized)return this.accelQ=this.accelToQuaternion_(this.currentAccelMeasurement.sample),this.previousFilterQ.copy(this.accelQ),void(this.isOrientationInitialized=!0);var deltaT=this.currentGyroMeasurement.timestampS-this.previousGyroMeasurement.timestampS,gyroDeltaQ=this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample,deltaT);this.gyroIntegralQ.multiply(gyroDeltaQ),this.filterQ.copy(this.previousFilterQ),this.filterQ.multiply(gyroDeltaQ);var invFilterQ=new MathUtil.Quaternion;invFilterQ.copy(this.filterQ),invFilterQ.inverse(),this.estimatedGravity.set(0,0,-1),this.estimatedGravity.applyQuaternion(invFilterQ),this.estimatedGravity.normalize(),this.measuredGravity.copy(this.currentAccelMeasurement.sample),this.measuredGravity.normalize();var deltaQ=new MathUtil.Quaternion;deltaQ.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),deltaQ.inverse(),Util.isDebug()&&console.log("Delta: %d deg, G_est: (%s, %s, %s), G_meas: (%s, %s, %s)",MathUtil.radToDeg*Util.getQuaternionAngle(deltaQ),this.estimatedGravity.x.toFixed(1),this.estimatedGravity.y.toFixed(1),this.estimatedGravity.z.toFixed(1),this.measuredGravity.x.toFixed(1),this.measuredGravity.y.toFixed(1),this.measuredGravity.z.toFixed(1));var targetQ=new MathUtil.Quaternion;targetQ.copy(this.filterQ),targetQ.multiply(deltaQ),this.filterQ.slerp(targetQ,1-this.kFilter),this.previousFilterQ.copy(this.filterQ)},ComplementaryFilter.prototype.getOrientation=function(){return this.filterQ},ComplementaryFilter.prototype.accelToQuaternion_=function(accel){var normAccel=new MathUtil.Vector3;normAccel.copy(accel),normAccel.normalize();var quat=new MathUtil.Quaternion;return quat.setFromUnitVectors(new MathUtil.Vector3(0,0,-1),normAccel),quat.inverse(),quat},ComplementaryFilter.prototype.gyroToQuaternionDelta_=function(gyro,dt){var quat=new MathUtil.Quaternion,axis=new MathUtil.Vector3;return axis.copy(gyro),axis.normalize(),quat.setFromAxisAngle(axis,gyro.length()*dt),quat},module.exports=ComplementaryFilter},{"../math-util.js":20,"../util.js":29,"./sensor-sample.js":27}],25:[function(_dereq_,module,exports){function FusionPoseSensor(){this.deviceId="webvr-polyfill:fused",this.deviceName="VR Position Device (webvr-polyfill:fused)",this.accelerometer=new MathUtil.Vector3,this.gyroscope=new MathUtil.Vector3,this.start(),this.filter=new ComplementaryFilter(window.WebVRConfig.K_FILTER),this.posePredictor=new PosePredictor(window.WebVRConfig.PREDICTION_TIME_S),this.touchPanner=new TouchPanner,this.filterToWorldQ=new MathUtil.Quaternion,Util.isIOS()?this.filterToWorldQ.setFromAxisAngle(new MathUtil.Vector3(1,0,0),Math.PI/2):this.filterToWorldQ.setFromAxisAngle(new MathUtil.Vector3(1,0,0),-Math.PI/2),this.inverseWorldToScreenQ=new MathUtil.Quaternion,this.worldToScreenQ=new MathUtil.Quaternion,this.originalPoseAdjustQ=new MathUtil.Quaternion,this.originalPoseAdjustQ.setFromAxisAngle(new MathUtil.Vector3(0,0,1),-window.orientation*Math.PI/180),this.setScreenTransform_(),Util.isLandscapeMode()&&this.filterToWorldQ.multiply(this.inverseWorldToScreenQ),this.resetQ=new MathUtil.Quaternion,this.isFirefoxAndroid=Util.isFirefoxAndroid(),this.isIOS=Util.isIOS(),this.orientationOut_=new Float32Array(4)}var ComplementaryFilter=_dereq_("./complementary-filter.js"),PosePredictor=_dereq_("./pose-predictor.js"),TouchPanner=_dereq_("../touch-panner.js"),MathUtil=_dereq_("../math-util.js"),Util=_dereq_("../util.js");FusionPoseSensor.prototype.getPosition=function(){return null},FusionPoseSensor.prototype.getOrientation=function(){var orientation=this.filter.getOrientation();this.predictedQ=this.posePredictor.getPrediction(orientation,this.gyroscope,this.previousTimestampS);var out=new MathUtil.Quaternion;return out.copy(this.filterToWorldQ),out.multiply(this.resetQ),window.WebVRConfig.TOUCH_PANNER_DISABLED||out.multiply(this.touchPanner.getOrientation()),out.multiply(this.predictedQ),out.multiply(this.worldToScreenQ),window.WebVRConfig.YAW_ONLY&&(out.x=0,out.z=0,out.normalize()),this.orientationOut_[0]=out.x,this.orientationOut_[1]=out.y,this.orientationOut_[2]=out.z,this.orientationOut_[3]=out.w,this.orientationOut_},FusionPoseSensor.prototype.resetPose=function(){this.resetQ.copy(this.filter.getOrientation()),this.resetQ.x=0,this.resetQ.y=0,this.resetQ.z*=-1,this.resetQ.normalize(),Util.isLandscapeMode()&&this.resetQ.multiply(this.inverseWorldToScreenQ),this.resetQ.multiply(this.originalPoseAdjustQ),window.WebVRConfig.TOUCH_PANNER_DISABLED||this.touchPanner.resetSensor()},FusionPoseSensor.prototype.onDeviceMotion_=function(deviceMotion){this.updateDeviceMotion_(deviceMotion)},FusionPoseSensor.prototype.updateDeviceMotion_=function(deviceMotion){var accGravity=deviceMotion.accelerationIncludingGravity,rotRate=deviceMotion.rotationRate,timestampS=deviceMotion.timeStamp/1e3,deltaS=timestampS-this.previousTimestampS;if(deltaS<=Util.MIN_TIMESTEP||deltaS>Util.MAX_TIMESTEP)return console.warn("Invalid timestamps detected. Time step between successive gyroscope sensor samples is very small or not monotonic"),void(this.previousTimestampS=timestampS);this.accelerometer.set(-accGravity.x,-accGravity.y,-accGravity.z),Util.isR7()?this.gyroscope.set(-rotRate.beta,rotRate.alpha,rotRate.gamma):this.gyroscope.set(rotRate.alpha,rotRate.beta,rotRate.gamma),(this.isIOS||this.isFirefoxAndroid)&&this.gyroscope.multiplyScalar(Math.PI/180),this.filter.addAccelMeasurement(this.accelerometer,timestampS),this.filter.addGyroMeasurement(this.gyroscope,timestampS),this.previousTimestampS=timestampS},FusionPoseSensor.prototype.onOrientationChange_=function(screenOrientation){this.setScreenTransform_()},FusionPoseSensor.prototype.onMessage_=function(event){var message=event.data;message&&message.type&&"devicemotion"===message.type.toLowerCase()&&this.updateDeviceMotion_(message.deviceMotionEvent)},FusionPoseSensor.prototype.setScreenTransform_=function(){switch(this.worldToScreenQ.set(0,0,0,1),window.orientation){case 0:break;case 90:this.worldToScreenQ.setFromAxisAngle(new MathUtil.Vector3(0,0,1),-Math.PI/2);break;case-90:this.worldToScreenQ.setFromAxisAngle(new MathUtil.Vector3(0,0,1),Math.PI/2)}this.inverseWorldToScreenQ.copy(this.worldToScreenQ),this.inverseWorldToScreenQ.inverse()},FusionPoseSensor.prototype.start=function(){this.onDeviceMotionCallback_=this.onDeviceMotion_.bind(this),this.onOrientationChangeCallback_=this.onOrientationChange_.bind(this),this.onMessageCallback_=this.onMessage_.bind(this),Util.isIOS()&&Util.isInsideCrossDomainIFrame()&&window.addEventListener("message",this.onMessageCallback_),window.addEventListener("orientationchange",this.onOrientationChangeCallback_),window.addEventListener("devicemotion",this.onDeviceMotionCallback_)},FusionPoseSensor.prototype.stop=function(){window.removeEventListener("devicemotion",this.onDeviceMotionCallback_),window.removeEventListener("orientationchange",this.onOrientationChangeCallback_),window.removeEventListener("message",this.onMessageCallback_)},module.exports=FusionPoseSensor},{"../math-util.js":20,"../touch-panner.js":28,"../util.js":29,"./complementary-filter.js":24,"./pose-predictor.js":26}],26:[function(_dereq_,module,exports){function PosePredictor(predictionTimeS){this.predictionTimeS=predictionTimeS,this.previousQ=new MathUtil.Quaternion,this.previousTimestampS=null,this.deltaQ=new MathUtil.Quaternion,this.outQ=new MathUtil.Quaternion}var MathUtil=_dereq_("../math-util"),Util=_dereq_("../util");PosePredictor.prototype.getPrediction=function(currentQ,gyro,timestampS){if(!this.previousTimestampS)return this.previousQ.copy(currentQ),this.previousTimestampS=timestampS,currentQ;var axis=new MathUtil.Vector3;axis.copy(gyro),axis.normalize();var angularSpeed=gyro.length();if(angularSpeed<20*MathUtil.degToRad)return Util.isDebug()&&console.log("Moving slowly, at %s deg/s: no prediction",(MathUtil.radToDeg*angularSpeed).toFixed(1)),this.outQ.copy(currentQ),this.previousQ.copy(currentQ),this.outQ;this.previousTimestampS;var predictAngle=angularSpeed*this.predictionTimeS;return this.deltaQ.setFromAxisAngle(axis,predictAngle),this.outQ.copy(this.previousQ),this.outQ.multiply(this.deltaQ),this.previousQ.copy(currentQ),this.previousTimestampS=timestampS,this.outQ},module.exports=PosePredictor},{"../math-util":20,"../util":29}],27:[function(_dereq_,module,exports){function SensorSample(sample,timestampS){this.set(sample,timestampS)}SensorSample.prototype.set=function(sample,timestampS){this.sample=sample,this.timestampS=timestampS},SensorSample.prototype.copy=function(sensorSample){this.set(sensorSample.sample,sensorSample.timestampS)},module.exports=SensorSample},{}],28:[function(_dereq_,module,exports){function TouchPanner(){window.addEventListener("touchstart",this.onTouchStart_.bind(this)),window.addEventListener("touchmove",this.onTouchMove_.bind(this)),window.addEventListener("touchend",this.onTouchEnd_.bind(this)),this.isTouching=!1,this.rotateStart=new MathUtil.Vector2,this.rotateEnd=new MathUtil.Vector2,this.rotateDelta=new MathUtil.Vector2,this.theta=0,this.orientation=new MathUtil.Quaternion}var MathUtil=_dereq_("./math-util.js"),Util=_dereq_("./util.js");TouchPanner.prototype.getOrientation=function(){return this.orientation.setFromEulerXYZ(0,0,this.theta),this.orientation},TouchPanner.prototype.resetSensor=function(){this.theta=0},TouchPanner.prototype.onTouchStart_=function(e){e.touches&&1==e.touches.length&&(this.rotateStart.set(e.touches[0].pageX,e.touches[0].pageY),this.isTouching=!0)},TouchPanner.prototype.onTouchMove_=function(e){if(this.isTouching){this.rotateEnd.set(e.touches[0].pageX,e.touches[0].pageY),this.rotateDelta.subVectors(this.rotateEnd,this.rotateStart),this.rotateStart.copy(this.rotateEnd),Util.isIOS()&&(this.rotateDelta.x*=-1);var element=document.body;this.theta+=2*Math.PI*this.rotateDelta.x/element.clientWidth*.5}},TouchPanner.prototype.onTouchEnd_=function(e){this.isTouching=!1},module.exports=TouchPanner},{"./math-util.js":20,"./util.js":29}],29:[function(_dereq_,module,exports){var Util=window.Util||{};Util.MIN_TIMESTEP=.001,Util.MAX_TIMESTEP=1,Util.base64=function(mimeType,base64){return"data:"+mimeType+";base64,"+base64},Util.clamp=function(value,min,max){return Math.min(Math.max(min,value),max)},Util.lerp=function(a,b,t){return a+(b-a)*t},Util.race=function(promises){return Promise.race?Promise.race(promises):new Promise(function(resolve,reject){for(var i=0;iUtil.MAX_TIMESTEP))},Util.getScreenWidth=function(){return Math.max(window.screen.width,window.screen.height)*window.devicePixelRatio},Util.getScreenHeight=function(){return Math.min(window.screen.width,window.screen.height)*window.devicePixelRatio},Util.requestFullscreen=function(element){if(Util.isWebViewAndroid())return!1;if(element.requestFullscreen)element.requestFullscreen();else if(element.webkitRequestFullscreen)element.webkitRequestFullscreen();else if(element.mozRequestFullScreen)element.mozRequestFullScreen();else{if(!element.msRequestFullscreen)return!1;element.msRequestFullscreen()}return!0},Util.exitFullscreen=function(){if(document.exitFullscreen)document.exitFullscreen();else if(document.webkitExitFullscreen)document.webkitExitFullscreen();else if(document.mozCancelFullScreen)document.mozCancelFullScreen();else{if(!document.msExitFullscreen)return!1;document.msExitFullscreen()}return!0},Util.getFullscreenElement=function(){return document.fullscreenElement||document.webkitFullscreenElement||document.mozFullScreenElement||document.msFullscreenElement},Util.linkProgram=function(gl,vertexSource,fragmentSource,attribLocationMap){var vertexShader=gl.createShader(gl.VERTEX_SHADER);gl.shaderSource(vertexShader,vertexSource),gl.compileShader(vertexShader);var fragmentShader=gl.createShader(gl.FRAGMENT_SHADER);gl.shaderSource(fragmentShader,fragmentSource),gl.compileShader(fragmentShader);var program=gl.createProgram();gl.attachShader(program,vertexShader),gl.attachShader(program,fragmentShader);for(var attribName in attribLocationMap)gl.bindAttribLocation(program,attribLocationMap[attribName],attribName);return gl.linkProgram(program),gl.deleteShader(vertexShader),gl.deleteShader(fragmentShader),program},Util.getProgramUniforms=function(gl,program){for(var uniforms={},uniformCount=gl.getProgramParameter(program,gl.ACTIVE_UNIFORMS),uniformName="",i=0;i-1?url.split("/")[2]:url.split("/")[0],domain=domain.split(":")[0]},module.exports=Util},{}],30:[function(_dereq_,module,exports){function ViewerSelector(){try{this.selectedKey=localStorage.getItem(VIEWER_KEY)}catch(error){console.error("Failed to load viewer profile: %s",error)}this.selectedKey||(this.selectedKey=DEFAULT_VIEWER),this.dialog=this.createDialog_(DeviceInfo.Viewers),this.root=null,this.onChangeCallbacks_=[]}var DeviceInfo=_dereq_("./device-info.js"),DEFAULT_VIEWER=(_dereq_("./util.js"),"CardboardV1"),VIEWER_KEY="WEBVR_CARDBOARD_VIEWER";ViewerSelector.prototype.show=function(root){this.root=root,root.appendChild(this.dialog),this.dialog.querySelector("#"+this.selectedKey).checked=!0,this.dialog.style.display="block"},ViewerSelector.prototype.hide=function(){this.root&&this.root.contains(this.dialog)&&this.root.removeChild(this.dialog),this.dialog.style.display="none"},ViewerSelector.prototype.getCurrentViewer=function(){return DeviceInfo.Viewers[this.selectedKey]},ViewerSelector.prototype.getSelectedKey_=function(){var input=this.dialog.querySelector("input[name=field]:checked");return input?input.id:null},ViewerSelector.prototype.onChange=function(cb){this.onChangeCallbacks_.push(cb)},ViewerSelector.prototype.fireOnChange_=function(viewer){for(var i=0;i0?nativeDisplays:polyfillDisplays})},WebVRPolyfill.prototype.getVRDevices=function(){console.warn("getVRDevices is deprecated. Please update your code to use getVRDisplays instead.");var self=this;return new Promise(function(resolve,reject){try{if(!self.devicesPopulated){if(self.nativeWebVRAvailable)return navigator.getVRDisplays(function(displays){for(var i=0;i0;isIntersected&&!this.selectedHotspots[id]&&(this.emit("focus",id),this.focus_(id)),!isIntersected&&this.selectedHotspots[id]&&(this.emit("blur",id),this.blur_(id)),isIntersected?this.selectedHotspots[id]=!0:delete this.selectedHotspots[id]}},HotspotRenderer.prototype.setVisibility=function(isVisible){this.hotspotRoot.visible=isVisible},HotspotRenderer.prototype.onTouchStart_=function(e){this.worldRenderer.isVRMode()||this.updateTouch_(e),this.update(this.worldRenderer.camera),this.downHotspots={};for(var id in this.selectedHotspots)this.downHotspots[id]=!0,this.down_(id);return!1},HotspotRenderer.prototype.onTouchEnd_=function(e){if(Util.isEmptyObject(this.downHotspots))this.emit("click");else for(var id in this.downHotspots)this.emit("click",id),this.up_(id),e.preventDefault()},HotspotRenderer.prototype.updateTouch_=function(e){var size=this.getSize_(),touch=e.touches[0];this.pointer.x=touch.clientX/size.width*2-1,this.pointer.y=-touch.clientY/size.height*2+1},HotspotRenderer.prototype.onMouseDown_=function(e){this.updateMouse_(e),this.downHotspots={};for(var id in this.selectedHotspots)this.downHotspots[id]=!0,this.down_(id)},HotspotRenderer.prototype.onMouseMove_=function(e){this.updateMouse_(e)},HotspotRenderer.prototype.onMouseUp_=function(e){if(this.updateMouse_(e),Util.isEmptyObject(this.downHotspots))this.emit("click");else for(var id in this.selectedHotspots)id in this.downHotspots&&(this.emit("click",id),this.up_(id))},HotspotRenderer.prototype.updateMouse_=function(e){var size=this.getSize_();this.pointer.x=e.clientX/size.width*2-1,this.pointer.y=-e.clientY/size.height*2+1},HotspotRenderer.prototype.getSize_=function(){this.worldRenderer.renderer.domElement;return this.worldRenderer.renderer.getSize()},HotspotRenderer.prototype.createHotspot_=function(radius,distance){var innerGeometry=new THREE.CircleGeometry(radius,32),innerMaterial=new THREE.MeshBasicMaterial({color:16777215,side:THREE.DoubleSide,transparent:!0,opacity:.8,depthTest:!1}),inner=new THREE.Mesh(innerGeometry,innerMaterial);inner.name="inner";var outerMaterial=new THREE.MeshBasicMaterial({color:16777215,side:THREE.DoubleSide,transparent:!0,opacity:.5,depthTest:!1}),outerGeometry=new THREE.RingGeometry(.85*radius,radius,32),outer=new THREE.Mesh(outerGeometry,outerMaterial);outer.name="outer";var hotspot=new THREE.Object3D;return hotspot.position.z=-distance,hotspot.scale.copy(NORMAL_SCALE),hotspot.add(inner),hotspot.add(outer),hotspot},HotspotRenderer.prototype.fadeOffCenterHotspots_=function(camera){var lookAt=new THREE.Vector3(1,0,0);lookAt.applyQuaternion(camera.quaternion),lookAt.applyQuaternion(camera.parent.quaternion);for(var id in this.hotspots){var opacity,angle=this.hotspots[id].position.angleTo(lookAt),angleDeg=THREE.Math.radToDeg(angle);if(angleDeg<35)opacity=1;else if(angleDeg>60)opacity=0;else{opacity=(60-angleDeg)/25}this.setOpacity_(id,opacity)}},HotspotRenderer.prototype.focus_=function(id){var hotspot=this.hotspots[id];this.tween=new TWEEN.Tween(hotspot.scale).to(FOCUS_SCALE,200).easing(TWEEN.Easing.Quadratic.InOut).start(),this.worldRenderer.isVRMode()&&(this.timeForHospotClick=setTimeout(function(){this.emit("click",id)},1200))},HotspotRenderer.prototype.blur_=function(id){var hotspot=this.hotspots[id];this.tween=new TWEEN.Tween(hotspot.scale).to(NORMAL_SCALE,200).easing(TWEEN.Easing.Quadratic.InOut).start(),this.timeForHospotClick&&clearTimeout(this.timeForHospotClick)},HotspotRenderer.prototype.down_=function(id){var outer=this.hotspots[id].getObjectByName("inner");this.tween=new TWEEN.Tween(outer.material.color).to(ACTIVE_COLOR,100).start()},HotspotRenderer.prototype.up_=function(id){var outer=this.hotspots[id].getObjectByName("inner");this.tween=new TWEEN.Tween(outer.material.color).to(INACTIVE_COLOR,100).start()},HotspotRenderer.prototype.setOpacity_=function(id,opacity){var hotspot=this.hotspots[id],outer=hotspot.getObjectByName("outer"),inner=hotspot.getObjectByName("inner");outer.material.opacity=.5*opacity,inner.material.opacity=.8*opacity},module.exports=HotspotRenderer},{"../util":45,"@tweenjs/tween.js":1,eventemitter3:3}],36:[function(_dereq_,module,exports){function IFrameMessageReceiver(){window.addEventListener("message",this.onMessage_.bind(this),!1)}var EventEmitter=_dereq_("eventemitter3"),Message=_dereq_("../message"),Util=_dereq_("../util");(IFrameMessageReceiver.prototype=new EventEmitter).onMessage_=function(event){Util.isDebug()&&console.log("onMessage_",event);var message=event.data,type=message.type.toLowerCase(),data=message.data;switch(type){case Message.SET_CONTENT:case Message.SET_VOLUME:case Message.MUTED:case Message.ADD_HOTSPOT:case Message.PLAY:case Message.PAUSE:case Message.SET_CURRENT_TIME:case Message.GET_POSITION:case Message.SET_FULLSCREEN:this.emit(type,data);break;default:Util.isDebug()&&console.warn("Got unknown message of type %s from %s",message.type,message.origin)}},module.exports=IFrameMessageReceiver},{"../message":44,"../util":45,eventemitter3:3}],37:[function(_dereq_,module,exports){function LoadingIndicator(){this.el=this.build_(),document.body.appendChild(this.el),this.show()}LoadingIndicator.prototype.build_=function(){var overlay=document.createElement("div"),s=overlay.style;s.position="fixed",s.top=0,s.left=0,s.width="100%",s.height="100%",s.background="#eee";var img=document.createElement("img");return img.src="images/loading.gif",(s=img.style).position="absolute",s.top="50%",s.left="50%",s.transform="translate(-50%, -50%)",overlay.appendChild(img),overlay},LoadingIndicator.prototype.hide=function(){this.el.style.display="none"},LoadingIndicator.prototype.show=function(){this.el.style.display="block"},module.exports=LoadingIndicator},{}],38:[function(_dereq_,module,exports){function onVideoTap(){worldRenderer.videoProxy.play(),hidePlayButton(),document.body.removeEventListener("touchend",onVideoTap)}function onGetCurrentTime(){var time=worldRenderer.videoProxy.getCurrentTime();Util.sendParentMessage({type:"timeupdate",data:time})}function onApiError(message){console.error(message),Util.sendParentMessage({type:"error",data:{message:message}})}function onPlay(){Util.sendParentMessage({type:"paused",data:!1})}function onPause(){Util.sendParentMessage({type:"paused",data:!0})}function onEnded(){Util.sendParentMessage({type:"ended",data:!0})}function showError(message){loadIndicator.hide(),message=encodeURI(message).replace(/%20/g," ");var error=document.querySelector("#error");error.classList.add("visible"),error.querySelector(".message").innerHTML=message,error.querySelector(".title").innerHTML="Error"}function showPlayButton(){document.querySelector("#play-overlay").classList.add("visible")}function hidePlayButton(){document.querySelector("#play-overlay").classList.remove("visible")}function showStats(){stats.setMode(0),stats.domElement.style.position="absolute",stats.domElement.style.left="0px",stats.domElement.style.bottom="0px",document.body.appendChild(stats.domElement)}function loop(time){worldRenderer.vrDisplay?worldRenderer.vrDisplay.requestAnimationFrame(loop):requestAnimationFrame(loop),stats.begin(),worldRenderer.videoProxy&&worldRenderer.videoProxy.update(time),worldRenderer.render(time),worldRenderer.submitFrame(),stats.end()}var loadIndicator=new(_dereq_("./loading-indicator"));_dereq_("es6-promise").polyfill();var IFrameMessageReceiver=_dereq_("./iframe-message-receiver"),Message=_dereq_("../message"),SceneInfo=_dereq_("./scene-info"),Stats=_dereq_("../../node_modules/stats-js/build/stats.min"),Util=_dereq_("../util"),WorldRenderer=(_dereq_("webvr-polyfill"),_dereq_("./world-renderer")),receiver=new IFrameMessageReceiver;receiver.on(Message.PLAY,function(){worldRenderer.videoProxy?worldRenderer.videoProxy.play():onApiError("Attempt to pause, but no video found.")}),receiver.on(Message.PAUSE,function(){worldRenderer.videoProxy?worldRenderer.videoProxy.pause():onApiError("Attempt to pause, but no video found.")}),receiver.on(Message.ADD_HOTSPOT,function(e){Util.isDebug()&&console.log("onAddHotspot",e);var pitch=parseFloat(e.pitch),yaw=parseFloat(e.yaw),radius=parseFloat(e.radius),distance=parseFloat(e.distance),id=e.id;worldRenderer.hotspotRenderer.add(pitch,yaw,radius,distance,id)}),receiver.on(Message.SET_CONTENT,function(e){Util.isDebug()&&console.log("onSetContent",e),worldRenderer.hotspotRenderer.clearAll(),worldRenderer.sphereRenderer.setOpacity(0,500).then(function(){var scene=SceneInfo.loadFromAPIParams(e.contentInfo);worldRenderer.destroy();var url=scene.getCurrentUrl();return window.history.pushState(null,"VR View",url),worldRenderer.setScene(scene)}).then(function(){worldRenderer.sphereRenderer.setOpacity(1,500)})}),receiver.on(Message.SET_VOLUME,function(e){worldRenderer.videoProxy?(worldRenderer.videoProxy.setVolume(e.volumeLevel),volume=e.volumeLevel,Util.sendParentMessage({type:"volumechange",data:e.volumeLevel})):onApiError("Attempt to set volume, but no video found.")}),receiver.on(Message.MUTED,function(e){worldRenderer.videoProxy?(worldRenderer.videoProxy.mute(e.muteState),Util.sendParentMessage({type:"muted",data:e.muteState})):onApiError("Attempt to mute, but no video found.")}),receiver.on(Message.SET_CURRENT_TIME,function(time){worldRenderer.videoProxy?(worldRenderer.videoProxy.setCurrentTime(time),onGetCurrentTime()):onApiError("Attempt to pause, but no video found.")}),receiver.on(Message.GET_POSITION,function(){Util.sendParentMessage({type:"getposition",data:{Yaw:180*worldRenderer.camera.rotation.y/Math.PI,Pitch:180*worldRenderer.camera.rotation.x/Math.PI}})}),receiver.on(Message.SET_FULLSCREEN,function(){worldRenderer.videoProxy?worldRenderer.manager.onFSClick_():onApiError("Attempt to set fullscreen, but no video found.")}),window.addEventListener("load",function(){Util.isWebGLEnabled()?(worldRenderer.setScene(scene),scene.isDebug&&showStats(),scene.isYawOnly&&(WebVRConfig=window.WebVRConfig||{},WebVRConfig.YAW_ONLY=!0),requestAnimationFrame(loop)):showError("WebGL not supported.")});var stats=new Stats,scene=SceneInfo.loadFromGetParams(),worldRenderer=new WorldRenderer(scene);worldRenderer.on("error",function(message){showError("Render: "+message)}),worldRenderer.on("load",function(event){event.videoElement&&(SceneInfo.loadFromGetParams(),Util.isMobile()?(showPlayButton(),document.body.addEventListener("touchend",onVideoTap)):event.videoElement.play(),event.videoElement.addEventListener("pause",onPause),event.videoElement.addEventListener("play",onPlay),event.videoElement.addEventListener("timeupdate",onGetCurrentTime),event.videoElement.addEventListener("ended",onEnded));loadIndicator.hide(),Util.isMobile()||worldRenderer.sceneInfo.video||worldRenderer.sceneInfo.isAutopanOff||worldRenderer.autopan(),isReadySent||(event.videoElement?Util.sendParentMessage({type:"ready",data:{duration:event.videoElement.duration}}):Util.sendParentMessage({type:"ready"}),isReadySent=!0)}),worldRenderer.on("modechange",function(mode){Util.sendParentMessage({type:"modechange",data:{mode:mode}})}),worldRenderer.on("ended",onEnded),worldRenderer.on("play",onPlay),worldRenderer.hotspotRenderer.on("click",function(id){Util.sendParentMessage({type:"click",data:{id:id}})}),window.worldRenderer=worldRenderer;var isReadySent=!1,volume=0},{"../../node_modules/stats-js/build/stats.min":6,"../message":44,"../util":45,"./iframe-message-receiver":36,"./loading-indicator":37,"./scene-info":40,"./world-renderer":43,"es6-promise":2,"webvr-polyfill":22}],39:[function(_dereq_,module,exports){function ReticleRenderer(camera){this.camera=camera,this.reticle=this.createReticle_(),this.reticle.position.z=-.97,camera.add(this.reticle),this.setVisibility(!1)}ReticleRenderer.prototype.setVisibility=function(isVisible){this.reticle.visible=isVisible},ReticleRenderer.prototype.createReticle_=function(){var geometry=new THREE.TorusGeometry(.02,.005,10,20),material=new THREE.MeshBasicMaterial({color:0});return new THREE.Mesh(geometry,material)},module.exports=ReticleRenderer},{}],40:[function(_dereq_,module,exports){function SceneInfo(opt_params){var params=opt_params||{};params.player={loop:opt_params.loop,volume:opt_params.volume,muted:opt_params.muted},this.image=void 0!==params.image?encodeURI(params.image):void 0,this.preview=void 0!==params.preview?encodeURI(params.preview):void 0,this.video=void 0!==params.video?encodeURI(params.video):void 0,this.defaultYaw=THREE.Math.degToRad(params.defaultYaw||0),this.isStereo=Util.parseBoolean(params.isStereo),this.isYawOnly=Util.parseBoolean(params.isYawOnly),this.isDebug=Util.parseBoolean(params.isDebug),this.isVROff=Util.parseBoolean(params.isVROff),this.isAutopanOff=Util.parseBoolean(params.isAutopanOff),this.loop=Util.parseBoolean(params.player.loop),this.volume=parseFloat(params.player.volume?params.player.volume:"1"),this.muted=Util.parseBoolean(params.player.muted),this.hideFullscreenButton=Util.parseBoolean(params.hideFullscreenButton)}var Util=_dereq_("../util"),CAMEL_TO_UNDERSCORE={video:"video",image:"image",preview:"preview",loop:"loop",volume:"volume",muted:"muted",isStereo:"is_stereo",defaultYaw:"default_yaw",isYawOnly:"is_yaw_only",isDebug:"is_debug",isVROff:"is_vr_off",isAutopanOff:"is_autopan_off",hideFullscreenButton:"hide_fullscreen_button"};SceneInfo.loadFromGetParams=function(){var params={};for(var camelCase in CAMEL_TO_UNDERSCORE){var underscore=CAMEL_TO_UNDERSCORE[camelCase];params[camelCase]=Util.getQueryParameter(underscore)||(window.WebVRConfig&&window.WebVRConfig.PLAYER?window.WebVRConfig.PLAYER[underscore]:"")}var scene=new SceneInfo(params);return scene.isValid()||console.warn("Invalid scene: %s",scene.errorMessage),scene},SceneInfo.loadFromAPIParams=function(underscoreParams){var params={};for(var camelCase in CAMEL_TO_UNDERSCORE){var underscore=CAMEL_TO_UNDERSCORE[camelCase];underscoreParams[underscore]&&(params[camelCase]=underscoreParams[underscore])}var scene=new SceneInfo(params);return scene.isValid()||console.warn("Invalid scene: %s",scene.errorMessage),scene},SceneInfo.prototype.isValid=function(){return this.image||this.video?this.image&&!this.isValidImage_(this.image)?(this.errorMessage="Invalid image URL: "+this.image,!1):(this.errorMessage=null,!0):(this.errorMessage="Either image or video URL must be specified.",!1)},SceneInfo.prototype.getCurrentUrl=function(){var url=location.protocol+"//"+location.host+location.pathname+"?";for(var camelCase in CAMEL_TO_UNDERSCORE){var underscore=CAMEL_TO_UNDERSCORE[camelCase],value=this[camelCase];void 0!==value&&(url+=underscore+"="+value+"&")}return url.substring(0,url.length-1)},SceneInfo.prototype.isValidImage_=function(imageUrl){return!0},module.exports=SceneInfo},{"../util":45}],41:[function(_dereq_,module,exports){function SphereRenderer(scene){this.scene=scene,this.createOpacityMask_()}var Eyes=_dereq_("./eyes"),TWEEN=_dereq_("@tweenjs/tween.js"),Util=_dereq_("../util"),VideoType=_dereq_("../video-type");SphereRenderer.prototype.setPhotosphere=function(src,opt_params){return new Promise(function(resolve,reject){this.resolve=resolve,this.reject=reject;var params=opt_params||{};this.isStereo=!!params.isStereo,this.src=src;var loader=new THREE.TextureLoader;loader.crossOrigin="anonymous",loader.load(src,this.onTextureLoaded_.bind(this),void 0,this.onTextureError_.bind(this))}.bind(this))},SphereRenderer.prototype.set360Video=function(videoElement,videoType,opt_params){return new Promise(function(resolve,reject){this.resolve=resolve,this.reject=reject;var params=opt_params||{};this.isStereo=!!params.isStereo;var videoTexture=new THREE.VideoTexture(videoElement);videoTexture.minFilter=THREE.LinearFilter,videoTexture.magFilter=THREE.LinearFilter,videoTexture.generateMipmaps=!1,Util.isSafari()&&videoType===VideoType.HLS?(videoTexture.format=THREE.RGBAFormat,videoTexture.flipY=!1):videoTexture.format=THREE.RGBFormat,videoTexture.needsUpdate=!0,this.onTextureLoaded_(videoTexture)}.bind(this))},SphereRenderer.prototype.setOpacity=function(opacity,duration){var scene=this.scene,overlayOpacity=1-opacity;return new Promise(function(resolve,reject){var mask=scene.getObjectByName("opacityMask"),tween=new TWEEN.Tween({opacity:mask.material.opacity}).to({opacity:overlayOpacity},duration).easing(TWEEN.Easing.Quadratic.InOut);tween.onUpdate(function(e){mask.material.opacity=this.opacity}),tween.onComplete(resolve).start()})},SphereRenderer.prototype.onTextureLoaded_=function(texture){var sphereLeft,sphereRight;this.isStereo?(sphereLeft=this.createPhotosphere_(texture,{offsetY:.5,scaleY:.5}),sphereRight=this.createPhotosphere_(texture,{offsetY:0,scaleY:.5})):(sphereLeft=this.createPhotosphere_(texture),sphereRight=this.createPhotosphere_(texture)),sphereLeft.layers.set(Eyes.LEFT),sphereLeft.eye=Eyes.LEFT,sphereLeft.name="eyeLeft",sphereRight.layers.set(Eyes.RIGHT),sphereRight.eye=Eyes.RIGHT,sphereRight.name="eyeRight",this.scene.getObjectByName("photo").children=[sphereLeft,sphereRight],this.resolve()},SphereRenderer.prototype.onTextureError_=function(error){this.reject('Unable to load texture from "'+this.src+'"')},SphereRenderer.prototype.createPhotosphere_=function(texture,opt_params){var p=opt_params||{};p.scaleX=p.scaleX||1,p.scaleY=p.scaleY||1,p.offsetX=p.offsetX||0,p.offsetY=p.offsetY||0,p.phiStart=p.phiStart||0,p.phiLength=p.phiLength||2*Math.PI,p.thetaStart=p.thetaStart||0,p.thetaLength=p.thetaLength||Math.PI;var geometry=new THREE.SphereGeometry(1,48,48,p.phiStart,p.phiLength,p.thetaStart,p.thetaLength);geometry.applyMatrix((new THREE.Matrix4).makeScale(-1,1,1));for(var uvs=geometry.faceVertexUvs[0],i=0;iduration&&(this.startTime=now,this.videoElement.currentTime=0,this.audioElement.currentTime=0)}},module.exports=VideoProxy},{"../util":45}],43:[function(_dereq_,module,exports){function WorldRenderer(params){this.init_(params.hideFullscreenButton),this.sphereRenderer=new SphereRenderer(this.scene),this.hotspotRenderer=new HotspotRenderer(this),this.hotspotRenderer.on("focus",this.onHotspotFocus_.bind(this)),this.hotspotRenderer.on("blur",this.onHotspotBlur_.bind(this)),this.reticleRenderer=new ReticleRenderer(this.camera),navigator.getVRDisplays().then(function(displays){displays.length>0&&(this.vrDisplay=displays[0])}.bind(this))}var AdaptivePlayer=_dereq_("./adaptive-player"),EventEmitter=_dereq_("eventemitter3"),HotspotRenderer=(_dereq_("./eyes"),_dereq_("./hotspot-renderer")),ReticleRenderer=_dereq_("./reticle-renderer"),SphereRenderer=_dereq_("./sphere-renderer"),TWEEN=_dereq_("@tweenjs/tween.js"),Util=_dereq_("../util"),VideoProxy=_dereq_("./video-proxy"),WebVRManager=_dereq_("webvr-boilerplate");(WorldRenderer.prototype=new EventEmitter).render=function(time){this.controls.update(),TWEEN.update(time),this.effect.render(this.scene,this.camera),this.hotspotRenderer.update(this.camera)},WorldRenderer.prototype.setScene=function(scene){var self=this,promise=new Promise(function(resolve,reject){self.sceneResolve=resolve,self.sceneReject=reject});if(scene&&scene.isValid()){var params={isStereo:scene.isStereo,loop:scene.loop,volume:scene.volume,muted:scene.muted};return this.setDefaultYaw_(scene.defaultYaw||0),(scene.isVROff||scene.video&&Util.isIOS9OrLess())&&this.manager.setVRCompatibleOverride(!1),Util.isIOS()&&(this.manager.setFullscreenCallback(function(){Util.sendParentMessage({type:"enter-fullscreen"})}),this.manager.setExitFullscreenCallback(function(){Util.sendParentMessage({type:"exit-fullscreen"})}),this.manager.setVRCallback(function(){Util.sendParentMessage({type:"enter-vr"})})),scene.image&&!scene.video?scene.preview?this.sphereRenderer.setPhotosphere(scene.preview,params).then(function(){self.didLoad_(),self.sphereRenderer.setPhotosphere(scene.image,params)}).catch(self.didLoadFail_.bind(self)):this.sphereRenderer.setPhotosphere(scene.image,params).then(function(){self.didLoad_()}).catch(self.didLoadFail_.bind(self)):scene.video&&(Util.isIE11()?scene.image?this.sphereRenderer.setPhotosphere(scene.image,params).then(function(){self.didLoad_()}).catch(self.didLoadFail_.bind(self)):this.didLoadFail_("Video is not supported on IE11."):(this.player=new AdaptivePlayer(params),this.player.on("load",function(videoElement,videoType){self.sphereRenderer.set360Video(videoElement,videoType,params).then(function(){self.didLoad_({videoElement:videoElement})}).catch(self.didLoadFail_.bind(self))}),this.player.on("error",function(error){self.didLoadFail_("Video load error: "+error)}),this.player.load(scene.video),this.videoProxy=new VideoProxy(this.player.video))),this.sceneInfo=scene,Util.isDebug()&&console.log("Loaded scene",scene),promise}this.didLoadFail_(scene.errorMessage)},WorldRenderer.prototype.isVRMode=function(){return!!this.vrDisplay&&this.vrDisplay.isPresenting},WorldRenderer.prototype.submitFrame=function(){this.isVRMode()&&this.vrDisplay.submitFrame()},WorldRenderer.prototype.disposeEye_=function(eye){eye&&(eye.material.map&&eye.material.map.dispose(),eye.material.dispose(),eye.geometry.dispose())},WorldRenderer.prototype.dispose=function(){var eyeLeft=this.scene.getObjectByName("eyeLeft");this.disposeEye_(eyeLeft);var eyeRight=this.scene.getObjectByName("eyeRight");this.disposeEye_(eyeRight)},WorldRenderer.prototype.destroy=function(){this.player&&(this.player.removeAllListeners(),this.player.destroy(),this.player=null);var photo=this.scene.getObjectByName("photo"),eyeLeft=this.scene.getObjectByName("eyeLeft"),eyeRight=this.scene.getObjectByName("eyeRight");eyeLeft&&(this.disposeEye_(eyeLeft),photo.remove(eyeLeft),this.scene.remove(eyeLeft)),eyeRight&&(this.disposeEye_(eyeRight),photo.remove(eyeRight),this.scene.remove(eyeRight))},WorldRenderer.prototype.didLoad_=function(opt_event){var event=opt_event||{};this.emit("load",event),this.sceneResolve&&this.sceneResolve()},WorldRenderer.prototype.didLoadFail_=function(message){this.emit("error",message),this.sceneReject&&this.sceneReject(message)},WorldRenderer.prototype.setDefaultYaw_=function(angleRad){var display=this.controls.getVRDisplay(),theta=display.theta_||0;display.poseSensor_&&display.poseSensor_.resetPose(),this.camera.parent.rotation.y=Math.PI/2+angleRad-theta},WorldRenderer.prototype.autopan=function(duration){var targetY=this.camera.parent.rotation.y-.4;new TWEEN.Tween(this.camera.parent.rotation).to({y:targetY},3e3).easing(TWEEN.Easing.Quadratic.Out).start()},WorldRenderer.prototype.init_=function(hideFullscreenButton){var container=document.querySelector("body"),aspect=window.innerWidth/window.innerHeight,camera=new THREE.PerspectiveCamera(75,aspect,.1,100);camera.layers.enable(1),(new THREE.Object3D).add(camera);var renderer=new THREE.WebGLRenderer({antialias:!1});renderer.setClearColor(0,0),renderer.setSize(window.innerWidth,window.innerHeight),renderer.setPixelRatio(window.devicePixelRatio),container.appendChild(renderer.domElement);var controls=new THREE.VRControls(camera),effect=new THREE.VREffect(renderer);effect.scale=0,effect.setSize(window.innerWidth,window.innerHeight),effect.autoSubmitFrame=!1,this.camera=camera,this.renderer=renderer,this.effect=effect,this.controls=controls,this.manager=new WebVRManager(renderer,effect,{predistorted:!1,hideButton:hideFullscreenButton}),this.scene=this.createScene_(),this.scene.add(this.camera.parent),window.addEventListener("resize",this.onResize_.bind(this)),window.addEventListener("contextmenu",this.onContextMenu_.bind(this)),window.addEventListener("vrdisplaypresentchange",this.onVRDisplayPresentChange_.bind(this))},WorldRenderer.prototype.onResize_=function(){this.effect.setSize(window.innerWidth,window.innerHeight),this.camera.aspect=window.innerWidth/window.innerHeight,this.camera.updateProjectionMatrix()},WorldRenderer.prototype.onVRDisplayPresentChange_=function(e){Util.isDebug()&&console.log("onVRDisplayPresentChange_");var isVR=this.isVRMode(),isReticleVisible=isVR&&this.hotspotRenderer.getCount()>0;this.reticleRenderer.setVisibility(isReticleVisible),this.onResize_(),window.analytics&&analytics.logModeChanged(isVR),!isVR&&Util.isIOS()&&Util.sendParentMessage({type:"exit-fullscreen"}),this.emit("modechange",isVR)},WorldRenderer.prototype.createScene_=function(opt_params){var scene=new THREE.Scene,photoGroup=new THREE.Object3D;return photoGroup.name="photo",scene.add(photoGroup),scene},WorldRenderer.prototype.onHotspotFocus_=function(id){this.setCursor_("pointer")},WorldRenderer.prototype.onHotspotBlur_=function(id){this.setCursor_("")},WorldRenderer.prototype.setCursor_=function(cursor){this.renderer.domElement.style.cursor=cursor},WorldRenderer.prototype.onContextMenu_=function(e){return e.preventDefault(),e.stopPropagation(),!1},module.exports=WorldRenderer},{"../util":45,"./adaptive-player":33,"./eyes":34,"./hotspot-renderer":35,"./reticle-renderer":39,"./sphere-renderer":41,"./video-proxy":42,"@tweenjs/tween.js":1,eventemitter3:3,"webvr-boilerplate":7}],44:[function(_dereq_,module,exports){var Message={PLAY:"play",PAUSE:"pause",TIMEUPDATE:"timeupdate",ADD_HOTSPOT:"addhotspot",SET_CONTENT:"setimage",SET_VOLUME:"setvolume",MUTED:"muted",SET_CURRENT_TIME:"setcurrenttime",DEVICE_MOTION:"devicemotion",GET_POSITION:"getposition",SET_FULLSCREEN:"setfullscreen"};module.exports=Message},{}],45:[function(_dereq_,module,exports){var Util=window.Util||{};Util.isDataURI=function(src){return src&&0==src.indexOf("data:")},Util.generateUUID=function(){function s4(){return Math.floor(65536*(1+Math.random())).toString(16).substring(1)}return s4()+s4()+"-"+s4()+"-"+s4()+"-"+s4()+"-"+s4()+s4()+s4()},Util.isMobile=function(){var check=!1;return function(a){(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))&&(check=!0)}(navigator.userAgent||navigator.vendor||window.opera),check},Util.isIOS=function(){return/(iPad|iPhone|iPod)/g.test(navigator.userAgent)},Util.isSafari=function(){return/^((?!chrome|android).)*safari/i.test(navigator.userAgent)},Util.cloneObject=function(obj){var out={};for(key in obj)out[key]=obj[key];return out},Util.hashCode=function(s){return s.split("").reduce(function(a,b){return(a=(a<<5)-a+b.charCodeAt(0))&a},0)},Util.loadTrackSrc=function(context,src,callback,opt_progressCallback){var request=new XMLHttpRequest;request.open("GET",src,!0),request.responseType="arraybuffer",request.onload=function(){context.decodeAudioData(request.response,function(buffer){callback(buffer)},function(e){console.error(e)})},opt_progressCallback&&(request.onprogress=function(e){var percent=e.loaded/e.total;opt_progressCallback(percent)}),request.send()},Util.isPow2=function(n){return 0==(n&n-1)},Util.capitalize=function(s){return s.charAt(0).toUpperCase()+s.slice(1)},Util.isIFrame=function(){try{return window.self!==window.top}catch(e){return!0}},Util.getQueryParameter=function(name){name=name.replace(/[\[]/,"\\[").replace(/[\]]/,"\\]");var results=new RegExp("[\\?&]"+name+"=([^&#]*)").exec(location.search);return null===results?"":decodeURIComponent(results[1].replace(/\+/g," "))},Util.isWebGLEnabled=function(){var canvas=document.createElement("canvas");try{gl=canvas.getContext("webgl")}catch(x){gl=null}if(null==gl)try{gl=canvas.getContext("experimental-webgl"),experimental=!0}catch(x){gl=null}return!!gl},Util.clone=function(obj){return JSON.parse(JSON.stringify(obj))},Util.hypot=Math.hypot||function(x,y){return Math.sqrt(x*x+y*y)},Util.isIE11=function(){return navigator.userAgent.match(/Trident/)},Util.getRectCenter=function(rect){return new THREE.Vector2(rect.x+rect.width/2,rect.y+rect.height/2)},Util.getScreenWidth=function(){return Math.max(window.screen.width,window.screen.height)*window.devicePixelRatio},Util.getScreenHeight=function(){return Math.min(window.screen.width,window.screen.height)*window.devicePixelRatio},Util.isIOS9OrLess=function(){if(!Util.isIOS())return!1;var re=/(iPhone|iPad|iPod) OS ([\d_]+)/,iOSVersion=navigator.userAgent.match(re);if(!iOSVersion)return!1;var versionString=iOSVersion[iOSVersion.length-1];return parseFloat(versionString)<=9},Util.getExtension=function(url){return url.split(".").pop().split("?")[0]},Util.createGetParams=function(params){var out="?";for(var k in params)out+=k+"="+params[k]+"&";return out.substring(0,params.length-2),out},Util.sendParentMessage=function(message){window.parent&&parent.postMessage(message,"*")},Util.parseBoolean=function(value){return"false"!=value&&0!=value&&("true"==value||1==value||!!value)},Util.relativeToAbsolutePath=function(base,relative){for(var stack=base.split("/"),parts=relative.split("/"),i=0;i 0 ) ? 1 : + x; + + }; + +} + +if ( Function.prototype.name === undefined ) { + + // Missing in IE9-11. + // 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 + + ( function () { + + Object.assign = function ( target ) { + + 'use strict'; + + 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 = '84'; +var MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 }; +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 FrontSide = 0; +var BackSide = 1; +var DoubleSide = 2; +var FlatShading = 1; +var SmoothShading = 2; +var NoColors = 0; +var FaceColors = 1; +var VertexColors = 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 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 NearestMipMapLinearFilter = 1005; +var LinearFilter = 1006; +var LinearMipMapNearestFilter = 1007; +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 RGB_S3TC_DXT1_Format = 2001; +var RGBA_S3TC_DXT1_Format = 2002; +var RGBA_S3TC_DXT3_Format = 2003; +var RGBA_S3TC_DXT5_Format = 2004; +var RGB_PVRTC_4BPPV1_Format = 2100; +var RGB_PVRTC_2BPPV1_Format = 2101; +var RGBA_PVRTC_4BPPV1_Format = 2102; +var RGBA_PVRTC_2BPPV1_Format = 2103; +var RGB_ETC1_Format = 2151; +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; + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + +var _Math = { + + DEG2RAD: Math.PI / 180, + RAD2DEG: 180 / Math.PI, + + generateUUID: function () { + + // http://www.broofa.com/Tools/Math.uuid.htm + + var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' ); + var uuid = new Array( 36 ); + var rnd = 0, r; + + return function generateUUID() { + + for ( var i = 0; i < 36; i ++ ) { + + if ( i === 8 || i === 13 || i === 18 || i === 23 ) { + + uuid[ i ] = '-'; + + } else if ( i === 14 ) { + + uuid[ i ] = '4'; + + } else { + + if ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0; + r = rnd & 0xf; + rnd = rnd >> 4; + uuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ]; + + } + + } + + return uuid.join( '' ); + + }; + + }(), + + 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 * _Math.DEG2RAD; + + }, + + radToDeg: function ( radians ) { + + return radians * _Math.RAD2DEG; + + }, + + isPowerOfTwo: function ( value ) { + + return ( value & ( value - 1 ) ) === 0 && value !== 0; + + }, + + nearestPowerOfTwo: function ( value ) { + + return Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) ); + + }, + + nextPowerOfTwo: function ( value ) { + + value --; + value |= value >> 1; + value |= value >> 2; + value |= value >> 4; + value |= value >> 8; + value |= value >> 16; + value ++; + + return value; + + } + +}; + +/** + * @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; + +} + +Quaternion.prototype = { + + constructor: Quaternion, + + get x () { + + return this._x; + + }, + + set x ( value ) { + + this._x = value; + this.onChangeCallback(); + + }, + + get y () { + + return this._y; + + }, + + set y ( value ) { + + this._y = value; + this.onChangeCallback(); + + }, + + get z () { + + return this._z; + + }, + + set z ( value ) { + + this._z = value; + this.onChangeCallback(); + + }, + + get w () { + + return this._w; + + }, + + set w ( value ) { + + this._w = value; + this.onChangeCallback(); + + }, + + 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) === false ) { + + throw new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + + } + + // http://www.mathworks.com/matlabcentral/fileexchange/ + // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/ + // content/SpinCalc.m + + var c1 = Math.cos( euler._x / 2 ); + var c2 = Math.cos( euler._y / 2 ); + var c3 = Math.cos( euler._z / 2 ); + var s1 = Math.sin( euler._x / 2 ); + var s2 = Math.sin( euler._y / 2 ); + var s3 = Math.sin( euler._z / 2 ); + + var order = euler.order; + + 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 () { + + // http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final + + // assumes direction vectors vFrom and vTo are normalized + + var v1, r; + + var EPS = 0.000001; + + return function setFromUnitVectors( vFrom, vTo ) { + + if ( v1 === undefined ) v1 = new Vector3(); + + r = vFrom.dot( vTo ) + 1; + + if ( r < EPS ) { + + r = 0; + + if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { + + v1.set( - vFrom.y, vFrom.x, 0 ); + + } else { + + v1.set( 0, - vFrom.z, vFrom.y ); + + } + + } else { + + v1.crossVectors( vFrom, vTo ); + + } + + this._x = v1.x; + this._y = v1.y; + this._z = v1.z; + this._w = r; + + return this.normalize(); + + }; + + }(), + + inverse: function () { + + return this.conjugate().normalize(); + + }, + + 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 sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta ); + + if ( Math.abs( sinHalfTheta ) < 0.001 ) { + + this._w = 0.5 * ( w + this._w ); + this._x = 0.5 * ( x + this._x ); + this._y = 0.5 * ( y + this._y ); + this._z = 0.5 * ( z + this._z ); + + return this; + + } + + 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 () {} + +}; + +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; + + } + +} ); + +/** + * @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 + */ + +function Vector3( x, y, z ) { + + this.x = x || 0; + this.y = y || 0; + this.z = z || 0; + +} + +Vector3.prototype = { + + constructor: Vector3, + + 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 ) { + + if ( isFinite( scalar ) ) { + + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + + } else { + + this.x = 0; + this.y = 0; + this.z = 0; + + } + + 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 () { + + var quaternion; + + return function applyEuler( euler ) { + + if ( (euler && euler.isEuler) === false ) { + + console.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + + } + + if ( quaternion === undefined ) quaternion = new Quaternion(); + + return this.applyQuaternion( quaternion.setFromEuler( euler ) ); + + }; + + }(), + + applyAxisAngle: function () { + + var quaternion; + + return function applyAxisAngle( axis, angle ) { + + if ( quaternion === undefined ) quaternion = new Quaternion(); + + 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; + + }, + + applyMatrix4: function ( m ) { + + 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 + e[ 12 ]; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ]; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ]; + var w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ]; + + return this.divideScalar( w ); + + }, + + 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 () { + + var matrix; + + return function project( camera ) { + + if ( matrix === undefined ) matrix = new Matrix4(); + + matrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) ); + return this.applyMatrix4( matrix ); + + }; + + }(), + + unproject: function () { + + var matrix; + + return function unproject( camera ) { + + if ( matrix === undefined ) matrix = new Matrix4(); + + matrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) ); + return this.applyMatrix4( matrix ); + + }; + + }(), + + 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 ) { + + // This function assumes min < max, if this assumption isn't true it will not operate correctly + + 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 () { + + var min, max; + + return function clampScalar( minVal, maxVal ) { + + if ( min === undefined ) { + + min = new Vector3(); + max = new Vector3(); + + } + + min.set( minVal, minVal, minVal ); + max.set( maxVal, maxVal, maxVal ); + + return this.clamp( min, max ); + + }; + + }(), + + clampLength: function ( min, max ) { + + var length = this.length(); + + return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / 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; + + }, + + 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 ); + + }, + + lengthManhattan: function () { + + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ); + + }, + + normalize: function () { + + return this.divideScalar( this.length() ); + + }, + + setLength: function ( length ) { + + return this.multiplyScalar( length / this.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 ); + + } + + var x = this.x, y = this.y, z = this.z; + + this.x = y * v.z - z * v.y; + this.y = z * v.x - x * v.z; + this.z = x * v.y - y * v.x; + + return this; + + }, + + 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 ( vector ) { + + var scalar = vector.dot( this ) / vector.lengthSq(); + + return this.copy( vector ).multiplyScalar( scalar ); + + }, + + projectOnPlane: function () { + + var v1; + + return function projectOnPlane( planeNormal ) { + + if ( v1 === undefined ) v1 = new Vector3(); + + v1.copy( this ).projectOnVector( planeNormal ); + + return this.sub( v1 ); + + }; + + }(), + + reflect: function () { + + // reflect incident vector off plane orthogonal to normal + // normal is assumed to have unit length + + var v1; + + return function reflect( normal ) { + + if ( v1 === undefined ) v1 = new Vector3(); + + return this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) ); + + }; + + }(), + + angleTo: function ( v ) { + + var theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) ); + + // clamp, to handle numerical problems + + return Math.acos( _Math.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; + + }, + + distanceToManhattan: function ( v ) { + + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z ); + + }, + + setFromSpherical: function( s ) { + + var sinPhiRadius = Math.sin( s.phi ) * s.radius; + + this.x = sinPhiRadius * Math.sin( s.theta ); + this.y = Math.cos( s.phi ) * s.radius; + this.z = sinPhiRadius * Math.cos( s.theta ); + + return this; + + }, + + setFromCylindrical: function( c ) { + + this.x = c.radius * Math.sin( c.theta ); + this.y = c.y; + this.z = c.radius * Math.cos( c.theta ); + + return this; + + }, + + setFromMatrixPosition: function ( m ) { + + return this.setFromMatrixColumn( m, 3 ); + + }, + + 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 ) { + + if ( typeof m === 'number' ) { + + console.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' ); + var temp = m; + m = index; + index = temp; + + } + + return this.fromArray( m.elements, index * 4 ); + + }, + + 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; + + } + +}; + +/** + * @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 = new Float32Array( [ + + 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.' ); + + } + +} + +Matrix4.prototype = { + + constructor: Matrix4, + + 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 ) { + + this.elements.set( m.elements ); + + return this; + + }, + + copyPosition: function ( m ) { + + var te = this.elements; + var 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 () { + + var v1; + + return function extractRotation( m ) { + + if ( v1 === undefined ) v1 = new Vector3(); + + 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[ 4 ] = me[ 4 ] * scaleY; + te[ 5 ] = me[ 5 ] * scaleY; + te[ 6 ] = me[ 6 ] * scaleY; + + te[ 8 ] = me[ 8 ] * scaleZ; + te[ 9 ] = me[ 9 ] * scaleZ; + te[ 10 ] = me[ 10 ] * scaleZ; + + return this; + + }; + + }(), + + makeRotationFromEuler: function ( euler ) { + + if ( (euler && euler.isEuler) === false ) { + + console.error( 'THREE.Matrix: .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; + + } + + // last column + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; + + // bottom row + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + + return this; + + }, + + makeRotationFromQuaternion: function ( q ) { + + var te = this.elements; + + var x = q.x, y = q.y, z = q.z, w = q.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; + + te[ 0 ] = 1 - ( yy + zz ); + te[ 4 ] = xy - wz; + te[ 8 ] = xz + wy; + + te[ 1 ] = xy + wz; + te[ 5 ] = 1 - ( xx + zz ); + te[ 9 ] = yz - wx; + + te[ 2 ] = xz - wy; + te[ 6 ] = yz + wx; + te[ 10 ] = 1 - ( xx + yy ); + + // last column + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; + + // bottom row + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + + return this; + + }, + + lookAt: function () { + + var x, y, z; + + return function lookAt( eye, target, up ) { + + if ( x === undefined ) { + + x = new Vector3(); + y = new Vector3(); + z = new Vector3(); + + } + + var te = this.elements; + + z.subVectors( eye, target ).normalize(); + + if ( z.lengthSq() === 0 ) { + + z.z = 1; + + } + + x.crossVectors( up, z ).normalize(); + + if ( x.lengthSq() === 0 ) { + + z.z += 0.0001; + x.crossVectors( up, z ).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; + + }, + + multiplyToArray: function ( a, b, r ) { + + var te = this.elements; + + this.multiplyMatrices( a, b ); + + r[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ]; + r[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ]; + r[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ]; + r[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ]; + + 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; + + }, + + applyToBufferAttribute: function () { + + var v1; + + return function applyToBufferAttribute( attribute ) { + + if ( v1 === undefined ) v1 = new Vector3(); + + for ( var i = 0, l = attribute.count; i < l; i ++ ) { + + v1.x = attribute.getX( i ); + v1.y = attribute.getY( i ); + v1.z = attribute.getZ( i ); + + v1.applyMatrix4( this ); + + attribute.setXYZ( i, v1.x, v1.y, v1.z ); + + } + + return attribute; + + }; + + }(), + + 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 ( v ) { + + var te = this.elements; + + te[ 12 ] = v.x; + te[ 13 ] = v.y; + te[ 14 ] = v.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 ) { + + this.makeRotationFromQuaternion( quaternion ); + this.scale( scale ); + this.setPosition( position ); + + return this; + + }, + + decompose: function () { + + var vector, matrix; + + return function decompose( position, quaternion, scale ) { + + if ( vector === undefined ) { + + vector = new Vector3(); + matrix = new Matrix4(); + + } + + var te = this.elements; + + var sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); + var sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); + var sz = vector.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 + + matrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy() + + var invSX = 1 / sx; + var invSY = 1 / sy; + var invSZ = 1 / sz; + + matrix.elements[ 0 ] *= invSX; + matrix.elements[ 1 ] *= invSX; + matrix.elements[ 2 ] *= invSX; + + matrix.elements[ 4 ] *= invSY; + matrix.elements[ 5 ] *= invSY; + matrix.elements[ 6 ] *= invSY; + + matrix.elements[ 8 ] *= invSZ; + matrix.elements[ 9 ] *= invSZ; + matrix.elements[ 10 ] *= invSZ; + + quaternion.setFromRotationMatrix( matrix ); + + 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; + + } + +}; + +/** + * https://github.com/mrdoob/eventdispatcher.js/ + */ + +function EventDispatcher() {} + +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 = [], i = 0; + var length = listenerArray.length; + + for ( i = 0; i < length; i ++ ) { + + array[ i ] = listenerArray[ i ]; + + } + + for ( i = 0; i < length; i ++ ) { + + array[ i ].call( this, event ); + + } + + } + + } + +}; + +/** + * @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; + +} + +Vector2.prototype = { + + constructor: Vector2, + + isVector2: true, + + get width() { + + return this.x; + + }, + + set width( value ) { + + this.x = value; + + }, + + get height() { + + return this.y; + + }, + + set height( value ) { + + this.y = value; + + }, + + // + + 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 ) { + + if ( isFinite( scalar ) ) { + + this.x *= scalar; + this.y *= scalar; + + } else { + + this.x = 0; + this.y = 0; + + } + + return this; + + }, + + divide: function ( v ) { + + this.x /= v.x; + this.y /= v.y; + + 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 ); + + 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 ) { + + // This function assumes min < max, if this assumption isn't true it will not operate correctly + + 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 () { + + var min, max; + + return function clampScalar( minVal, maxVal ) { + + if ( min === undefined ) { + + min = new Vector2(); + max = new Vector2(); + + } + + min.set( minVal, minVal ); + max.set( maxVal, maxVal ); + + return this.clamp( min, max ); + + }; + + }(), + + clampLength: function ( min, max ) { + + var length = this.length(); + + return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / 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; + + }, + + lengthSq: function () { + + return this.x * this.x + this.y * this.y; + + }, + + length: function () { + + return Math.sqrt( this.x * this.x + this.y * this.y ); + + }, + + lengthManhattan: function() { + + return Math.abs( this.x ) + Math.abs( this.y ); + + }, + + normalize: function () { + + return this.divideScalar( this.length() ); + + }, + + angle: function () { + + // computes the angle in radians with respect to the positive x-axis + + var angle = Math.atan2( this.y, this.x ); + + if ( angle < 0 ) angle += 2 * 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; + + }, + + distanceToManhattan: function ( v ) { + + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ); + + }, + + setLength: function ( length ) { + + return this.multiplyScalar( length / this.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 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 = _Math.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.type = type !== undefined ? type : UnsignedByteType; + + this.offset = new Vector2( 0, 0 ); + this.repeat = new Vector2( 1, 1 ); + + 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 = { + + constructor: Texture, + + isTexture: true, + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( source ) { + + 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.type = source.type; + + this.offset.copy( source.offset ); + this.repeat.copy( source.repeat ); + + 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 ) { + + if ( meta.textures[ this.uuid ] !== undefined ) { + + return meta.textures[ this.uuid ]; + + } + + function getDataURL( image ) { + + var canvas; + + if ( image.toDataURL !== undefined ) { + + canvas = image; + + } else { + + canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = image.width; + canvas.height = image.height; + + canvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height ); + + } + + if ( canvas.width > 2048 || canvas.height > 2048 ) { + + return canvas.toDataURL( 'image/jpeg', 0.6 ); + + } else { + + return canvas.toDataURL( 'image/png' ); + + } + + } + + var output = { + metadata: { + version: 4.4, + 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 ], + wrap: [ this.wrapS, this.wrapT ], + + minFilter: this.minFilter, + magFilter: this.magFilter, + anisotropy: this.anisotropy, + + flipY: this.flipY + }; + + if ( this.image !== undefined ) { + + // TODO: Move to THREE.Image + + var image = this.image; + + if ( image.uuid === undefined ) { + + image.uuid = _Math.generateUUID(); // UGH + + } + + if ( meta.images[ image.uuid ] === undefined ) { + + meta.images[ image.uuid ] = { + uuid: image.uuid, + url: getDataURL( image ) + }; + + } + + output.image = image.uuid; + + } + + meta.textures[ this.uuid ] = output; + + return output; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + }, + + transformUv: function ( uv ) { + + if ( this.mapping !== UVMapping ) return; + + uv.multiply( this.repeat ); + uv.add( this.offset ); + + 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; + + } + + } + +}; + +Object.assign( Texture.prototype, EventDispatcher.prototype ); + +/** + * @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; + + 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 tschw + * + * 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, renderer )'. + * + * + * 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, [renderer] ) + * + * uploads a uniform value(s) + * the 'renderer' parameter is needed for sampler uniforms + * + * + * Static methods of the top-level container (renderer factorizations): + * + * .upload( gl, seq, values, renderer ) + * + * 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 (renderer factorizations): + * + * .setValue( gl, name, value ) + * + * sets uniform with name 'name' to 'value' + * + * .set( gl, obj, prop ) + * + * sets uniform from object and property with same name than uniform + * + * .setOptional( gl, obj, prop ) + * + * like .set for an optional property of the object + * + */ + +var emptyTexture = new Texture(); +var emptyCubeTexture = new CubeTexture(); + +// --- Base for inner nodes (including the root) --- + +function UniformContainer() { + + this.seq = []; + this.map = {}; + +} + +// --- Utilities --- + +// Array Caches (provide typed arrays for temporary by size) + +var arrayCacheF32 = []; +var arrayCacheI32 = []; + +// 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; + +} + +// Texture unit allocation + +function allocTexUnits( renderer, n ) { + + var r = arrayCacheI32[ n ]; + + if ( r === undefined ) { + + r = new Int32Array( n ); + arrayCacheI32[ n ] = r; + + } + + for ( var i = 0; i !== n; ++ i ) + r[ i ] = renderer.allocTextureUnit(); + + return r; + +} + +// --- Setters --- + +// Note: Defining these methods externally, because they come in a bunch +// and this way their names minify. + +// Single scalar + +function setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); } +function setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); } + +// Single float vector (from flat array or THREE.VectorN) + +function setValue2fv( gl, v ) { + + if ( v.x === undefined ) gl.uniform2fv( this.addr, v ); + else gl.uniform2f( this.addr, v.x, v.y ); + +} + +function setValue3fv( gl, v ) { + + if ( v.x !== undefined ) + gl.uniform3f( this.addr, v.x, v.y, v.z ); + else if ( v.r !== undefined ) + gl.uniform3f( this.addr, v.r, v.g, v.b ); + else + gl.uniform3fv( this.addr, v ); + +} + +function setValue4fv( gl, v ) { + + if ( v.x === undefined ) gl.uniform4fv( this.addr, v ); + else gl.uniform4f( this.addr, v.x, v.y, v.z, v.w ); + +} + +// Single matrix (from flat array or MatrixN) + +function setValue2fm( gl, v ) { + + gl.uniformMatrix2fv( this.addr, false, v.elements || v ); + +} + +function setValue3fm( gl, v ) { + + gl.uniformMatrix3fv( this.addr, false, v.elements || v ); + +} + +function setValue4fm( gl, v ) { + + gl.uniformMatrix4fv( this.addr, false, v.elements || v ); + +} + +// Single texture (2D / Cube) + +function setValueT1( gl, v, renderer ) { + + var unit = renderer.allocTextureUnit(); + gl.uniform1i( this.addr, unit ); + renderer.setTexture2D( v || emptyTexture, unit ); + +} + +function setValueT6( gl, v, renderer ) { + + var unit = renderer.allocTextureUnit(); + gl.uniform1i( this.addr, unit ); + renderer.setTextureCube( v || emptyCubeTexture, unit ); + +} + +// Integer / Boolean vectors or arrays thereof (always flat arrays) + +function setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); } +function setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); } +function setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); } + +// Helper to pick the right setter for the singular case + +function getSingularSetter( type ) { + + switch ( type ) { + + case 0x1406: return setValue1f; // FLOAT + case 0x8b50: return setValue2fv; // _VEC2 + case 0x8b51: return setValue3fv; // _VEC3 + case 0x8b52: return setValue4fv; // _VEC4 + + case 0x8b5a: return setValue2fm; // _MAT2 + case 0x8b5b: return setValue3fm; // _MAT3 + case 0x8b5c: return setValue4fm; // _MAT4 + + case 0x8b5e: return setValueT1; // SAMPLER_2D + case 0x8b60: return setValueT6; // SAMPLER_CUBE + + case 0x1404: case 0x8b56: return setValue1i; // INT, BOOL + case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 + case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 + case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 + + } + +} + +// Array of scalars + +function setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); } +function setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); } + +// Array of vectors (flat or from THREE classes) + +function setValueV2a( gl, v ) { + + gl.uniform2fv( this.addr, flatten( v, this.size, 2 ) ); + +} + +function setValueV3a( gl, v ) { + + gl.uniform3fv( this.addr, flatten( v, this.size, 3 ) ); + +} + +function setValueV4a( gl, v ) { + + gl.uniform4fv( this.addr, flatten( v, this.size, 4 ) ); + +} + +// Array of matrices (flat or from THREE clases) + +function setValueM2a( gl, v ) { + + gl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) ); + +} + +function setValueM3a( gl, v ) { + + gl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) ); + +} + +function setValueM4a( gl, v ) { + + gl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) ); + +} + +// Array of textures (2D / Cube) + +function setValueT1a( gl, v, renderer ) { + + var n = v.length, + units = allocTexUnits( renderer, n ); + + gl.uniform1iv( this.addr, units ); + + for ( var i = 0; i !== n; ++ i ) { + + renderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] ); + + } + +} + +function setValueT6a( gl, v, renderer ) { + + var n = v.length, + units = allocTexUnits( renderer, n ); + + gl.uniform1iv( this.addr, units ); + + for ( var i = 0; i !== n; ++ i ) { + + renderer.setTextureCube( 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 setValue1fv; // FLOAT + case 0x8b50: return setValueV2a; // _VEC2 + case 0x8b51: return setValueV3a; // _VEC3 + case 0x8b52: return setValueV4a; // _VEC4 + + case 0x8b5a: return setValueM2a; // _MAT2 + case 0x8b5b: return setValueM3a; // _MAT3 + case 0x8b5c: return setValueM4a; // _MAT4 + + case 0x8b5e: return setValueT1a; // SAMPLER_2D + case 0x8b60: return setValueT6a; // SAMPLER_CUBE + + case 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL + case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 + case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 + case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 + + } + +} + +// --- Uniform Classes --- + +function SingleUniform( id, activeInfo, addr ) { + + this.id = id; + this.addr = addr; + this.setValue = getSingularSetter( activeInfo.type ); + + // this.path = activeInfo.name; // DEBUG + +} + +function PureArrayUniform( id, activeInfo, addr ) { + + this.id = id; + this.addr = addr; + this.size = activeInfo.size; + this.setValue = getPureArraySetter( activeInfo.type ); + + // this.path = activeInfo.name; // DEBUG + +} + +function StructuredUniform( id ) { + + this.id = id; + + UniformContainer.call( this ); // mix-in + +} + +StructuredUniform.prototype.setValue = function( gl, value ) { + + // Note: Don't need an extra 'renderer' parameter, since samplers + // are not allowed in structured uniforms. + + var seq = this.seq; + + for ( var i = 0, n = seq.length; i !== n; ++ i ) { + + var u = seq[ i ]; + u.setValue( gl, value[ u.id ] ); + + } + +}; + +// --- 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; + + for (; ;) { + + 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, renderer ) { + + UniformContainer.call( this ); + + this.renderer = renderer; + + var n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS ); + + for ( var i = 0; i < n; ++ i ) { + + var info = gl.getActiveUniform( program, i ), + path = info.name, + addr = gl.getUniformLocation( program, path ); + + parseUniform( info, addr, this ); + + } + +} + +WebGLUniforms.prototype.setValue = function( gl, name, value ) { + + var u = this.map[ name ]; + + if ( u !== undefined ) u.setValue( gl, value, this.renderer ); + +}; + +WebGLUniforms.prototype.set = function( gl, object, name ) { + + var u = this.map[ name ]; + + if ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer ); + +}; + +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, renderer ) { + + 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, renderer ); + + } + + } + +}; + +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; + +}; + +/** + * Uniform Utilities + */ + +var UniformsUtils = { + + merge: function ( uniforms ) { + + var merged = {}; + + for ( var u = 0; u < uniforms.length; u ++ ) { + + var tmp = this.clone( uniforms[ u ] ); + + for ( var p in tmp ) { + + merged[ p ] = tmp[ p ]; + + } + + } + + return merged; + + }, + + clone: function ( uniforms_src ) { + + var uniforms_dst = {}; + + for ( var u in uniforms_src ) { + + uniforms_dst[ u ] = {}; + + for ( var p in uniforms_src[ u ] ) { + + var parameter_src = uniforms_src[ u ][ p ]; + + if ( parameter_src && ( parameter_src.isColor || + parameter_src.isMatrix3 || parameter_src.isMatrix4 || + parameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 || + parameter_src.isTexture ) ) { + + uniforms_dst[ u ][ p ] = parameter_src.clone(); + + } else if ( Array.isArray( parameter_src ) ) { + + uniforms_dst[ u ][ p ] = parameter_src.slice(); + + } else { + + uniforms_dst[ u ][ p ] = parameter_src; + + } + + } + + } + + return uniforms_dst; + + } + +}; + +var alphamap_fragment = "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif\n"; + +var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif\n"; + +var alphatest_fragment = "#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif\n"; + +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( PHYSICAL )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif\n"; + +var aomap_pars_fragment = "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif"; + +var begin_vertex = "\nvec3 transformed = vec3( position );\n"; + +var beginnormal_vertex = "\nvec3 objectNormal = vec3( normal );\n"; + +var bsdfs = "float punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t\tif( decayExponent > 0.0 ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\t\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t\treturn distanceFalloff * maxDistanceCutoffFactor;\n#else\n\t\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n#endif\n\t\t}\n\t\treturn 1.0;\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}\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 GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, 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_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 ltcTextureCoords( const in GeometricContext geometry, 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\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 P = geometry.position;\n\tfloat theta = acos( dot( N, V ) );\n\tvec2 uv = vec2(\n\t\tsqrt( saturate( roughness ) ),\n\t\tsaturate( theta / ( 0.5 * PI ) ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nvoid clipQuadToHorizon( inout vec3 L[5], out int n ) {\n\tint config = 0;\n\tif ( L[0].z > 0.0 ) config += 1;\n\tif ( L[1].z > 0.0 ) config += 2;\n\tif ( L[2].z > 0.0 ) config += 4;\n\tif ( L[3].z > 0.0 ) config += 8;\n\tn = 0;\n\tif ( config == 0 ) {\n\t} else if ( config == 1 ) {\n\t\tn = 3;\n\t\tL[1] = -L[1].z * L[0] + L[0].z * L[1];\n\t\tL[2] = -L[3].z * L[0] + L[0].z * L[3];\n\t} else if ( config == 2 ) {\n\t\tn = 3;\n\t\tL[0] = -L[0].z * L[1] + L[1].z * L[0];\n\t\tL[2] = -L[2].z * L[1] + L[1].z * L[2];\n\t} else if ( config == 3 ) {\n\t\tn = 4;\n\t\tL[2] = -L[2].z * L[1] + L[1].z * L[2];\n\t\tL[3] = -L[3].z * L[0] + L[0].z * L[3];\n\t} else if ( config == 4 ) {\n\t\tn = 3;\n\t\tL[0] = -L[3].z * L[2] + L[2].z * L[3];\n\t\tL[1] = -L[1].z * L[2] + L[2].z * L[1];\n\t} else if ( config == 5 ) {\n\t\tn = 0;\n\t} else if ( config == 6 ) {\n\t\tn = 4;\n\t\tL[0] = -L[0].z * L[1] + L[1].z * L[0];\n\t\tL[3] = -L[3].z * L[2] + L[2].z * L[3];\n\t} else if ( config == 7 ) {\n\t\tn = 5;\n\t\tL[4] = -L[3].z * L[0] + L[0].z * L[3];\n\t\tL[3] = -L[3].z * L[2] + L[2].z * L[3];\n\t} else if ( config == 8 ) {\n\t\tn = 3;\n\t\tL[0] = -L[0].z * L[3] + L[3].z * L[0];\n\t\tL[1] = -L[2].z * L[3] + L[3].z * L[2];\n\t\tL[2] = L[3];\n\t} else if ( config == 9 ) {\n\t\tn = 4;\n\t\tL[1] = -L[1].z * L[0] + L[0].z * L[1];\n\t\tL[2] = -L[2].z * L[3] + L[3].z * L[2];\n\t} else if ( config == 10 ) {\n\t\tn = 0;\n\t} else if ( config == 11 ) {\n\t\tn = 5;\n\t\tL[4] = L[3];\n\t\tL[3] = -L[2].z * L[3] + L[3].z * L[2];\n\t\tL[2] = -L[2].z * L[1] + L[1].z * L[2];\n\t} else if ( config == 12 ) {\n\t\tn = 4;\n\t\tL[1] = -L[1].z * L[2] + L[2].z * L[1];\n\t\tL[0] = -L[0].z * L[3] + L[3].z * L[0];\n\t} else if ( config == 13 ) {\n\t\tn = 5;\n\t\tL[4] = L[3];\n\t\tL[3] = L[2];\n\t\tL[2] = -L[1].z * L[2] + L[2].z * L[1];\n\t\tL[1] = -L[1].z * L[0] + L[0].z * L[1];\n\t} else if ( config == 14 ) {\n\t\tn = 5;\n\t\tL[4] = -L[0].z * L[3] + L[3].z * L[0];\n\t\tL[0] = -L[0].z * L[1] + L[1].z * L[0];\n\t} else if ( config == 15 ) {\n\t\tn = 4;\n\t}\n\tif ( n == 3 )\n\t\tL[3] = L[0];\n\tif ( n == 4 )\n\t\tL[4] = L[0];\n}\nfloat integrateLtcBrdfOverRectEdge( vec3 v1, vec3 v2 ) {\n\tfloat cosTheta = dot( v1, v2 );\n\tfloat theta = acos( cosTheta );\n\tfloat res = cross( v1, v2 ).z * ( ( theta > 0.001 ) ? theta / sin( theta ) : 1.0 );\n\treturn res;\n}\nvoid initRectPoints( const in vec3 pos, const in vec3 halfWidth, const in vec3 halfHeight, out vec3 rectPoints[4] ) {\n\trectPoints[0] = pos - halfWidth - halfHeight;\n\trectPoints[1] = pos + halfWidth - halfHeight;\n\trectPoints[2] = pos + halfWidth + halfHeight;\n\trectPoints[3] = pos - halfWidth + halfHeight;\n}\nvec3 integrateLtcBrdfOverRect( const in GeometricContext geometry, const in mat3 brdfMat, const in vec3 rectPoints[4] ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 P = geometry.position;\n\tvec3 T1, T2;\n\tT1 = normalize(V - N * dot( V, N ));\n\tT2 = - cross( N, T1 );\n\tmat3 brdfWrtSurface = brdfMat * transpose( mat3( T1, T2, N ) );\n\tvec3 clippedRect[5];\n\tclippedRect[0] = brdfWrtSurface * ( rectPoints[0] - P );\n\tclippedRect[1] = brdfWrtSurface * ( rectPoints[1] - P );\n\tclippedRect[2] = brdfWrtSurface * ( rectPoints[2] - P );\n\tclippedRect[3] = brdfWrtSurface * ( rectPoints[3] - P );\n\tint n;\n\tclipQuadToHorizon(clippedRect, n);\n\tif ( n == 0 )\n\t\treturn vec3( 0, 0, 0 );\n\tclippedRect[0] = normalize( clippedRect[0] );\n\tclippedRect[1] = normalize( clippedRect[1] );\n\tclippedRect[2] = normalize( clippedRect[2] );\n\tclippedRect[3] = normalize( clippedRect[3] );\n\tclippedRect[4] = normalize( clippedRect[4] );\n\tfloat sum = 0.0;\n\tsum += integrateLtcBrdfOverRectEdge( clippedRect[0], clippedRect[1] );\n\tsum += integrateLtcBrdfOverRectEdge( clippedRect[1], clippedRect[2] );\n\tsum += integrateLtcBrdfOverRectEdge( clippedRect[2], clippedRect[3] );\n\tif (n >= 4)\n\t\tsum += integrateLtcBrdfOverRectEdge( clippedRect[3], clippedRect[4] );\n\tif (n == 5)\n\t\tsum += integrateLtcBrdfOverRectEdge( clippedRect[4], clippedRect[0] );\n\tsum = max( 0.0, sum );\n\tvec3 Lo_i = vec3( sum, sum, sum );\n\treturn Lo_i;\n}\nvec3 Rect_Area_Light_Specular_Reflectance(\n\t\tconst in GeometricContext geometry,\n\t\tconst in vec3 lightPos, const in vec3 lightHalfWidth, const in vec3 lightHalfHeight,\n\t\tconst in float roughness,\n\t\tconst in sampler2D ltcMat, const in sampler2D ltcMag ) {\n\tvec3 rectPoints[4];\n\tinitRectPoints( lightPos, lightHalfWidth, lightHalfHeight, rectPoints );\n\tvec2 uv = ltcTextureCoords( geometry, roughness );\n\tvec4 brdfLtcApproxParams, t;\n\tbrdfLtcApproxParams = texture2D( ltcMat, uv );\n\tt = texture2D( ltcMat, uv );\n\tfloat brdfLtcScalar = texture2D( ltcMag, uv ).a;\n\tmat3 brdfLtcApproxMat = mat3(\n\t\tvec3( 1, 0, t.y ),\n\t\tvec3( 0, t.z, 0 ),\n\t\tvec3( t.w, 0, t.x )\n\t);\n\tvec3 specularReflectance = integrateLtcBrdfOverRect( geometry, brdfLtcApproxMat, rectPoints );\n\tspecularReflectance *= brdfLtcScalar;\n\treturn specularReflectance;\n}\nvec3 Rect_Area_Light_Diffuse_Reflectance(\n\t\tconst in GeometricContext geometry,\n\t\tconst in vec3 lightPos, const in vec3 lightHalfWidth, const in vec3 lightHalfHeight ) {\n\tvec3 rectPoints[4];\n\tinitRectPoints( lightPos, lightHalfWidth, lightHalfHeight, rectPoints );\n\tmat3 diffuseBrdfMat = mat3(1);\n\tvec3 diffuseReflectance = integrateLtcBrdfOverRect( geometry, diffuseBrdfMat, rectPoints );\n\treturn diffuseReflectance;\n}\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\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\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularColor * AB.x + AB.y;\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"; + +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 = dFdx( surf_pos );\n\t\tvec3 vSigmaY = dFdy( surf_pos );\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\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif\n"; + +var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\n\t\tvec4 plane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t\t\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\n\t\t\tvec4 plane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t\n\t#endif\n#endif\n"; + +var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif\n"; + +var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvarying vec3 vViewPosition;\n#endif\n"; + +var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n"; + +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\n"; + +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#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteCompliment(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}\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};\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 transpose( const in mat3 v ) {\n\tmat3 tmp;\n\ttmp[0] = vec3(v[0].x, v[1].x, v[2].x);\n\ttmp[1] = vec3(v[0].y, v[1].y, v[2].y);\n\ttmp[2] = vec3(v[0].z, v[1].z, v[2].z);\n\treturn tmp;\n}\n"; + +var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_textureSize (1024.0)\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bRes = mipLevel == 0.0;\n\tscale = bRes && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\tfloat rcpPowScale = 1.0 / powScale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif\n"; + +var defaultnormal_vertex = "#ifdef FLIP_SIDED\n\tobjectNormal = -objectNormal;\n#endif\nvec3 transformedNormal = normalMatrix * objectNormal;\n"; + +var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif\n"; + +var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\n#endif\n"; + +var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif\n"; + +var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif\n"; + +var encodings_fragment = " gl_FragColor = linearToOutputTexel( gl_FragColor );\n"; + +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.xyz, vec3( gammaFactor ) ), value.w );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\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.w );\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.w );\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.xyz * value.w * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.x, 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.x, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = min( floor( D ) / 255.0, 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 = value.rgb * cLogLuvM;\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 = Xp_Y_XYZp.rgb * cLogLuvInverseM;\n\treturn vec4( max(vRGB, 0.0), 1.0 );\n}\n"; + +var envmap_fragment = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToVertex, 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, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\tvec3 reflectView = flipNormal * 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\tenvColor = envMapTexelToLinear( envColor );\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\n"; + +var envmap_pars_fragment = "#if defined( USE_ENVMAP ) || defined( PHYSICAL )\n\tuniform float reflectivity;\n\tuniform float envMapIntensity;\n#endif\n#ifdef USE_ENVMAP\n\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\n\t\tvarying vec3 vWorldPosition;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\tuniform float flipEnvMap;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif\n"; + +var envmap_pars_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif\n"; + +var envmap_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\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\n"; + +var fog_vertex = "\n#ifdef USE_FOG\nfogDepth = -mvPosition.z;\n#endif"; + +var fog_pars_vertex = "#ifdef USE_FOG\n varying float fogDepth;\n#endif\n"; + +var fog_fragment = "#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * fogDepth * fogDepth * LOG2 ) );\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\n"; + +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\n"; + +var gradientmap_pars_fragment = "#ifdef TOON\n\tuniform sampler2D gradientMap;\n\tvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\t\tfloat dotNL = dot( normal, lightDirection );\n\t\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t\t#ifdef USE_GRADIENTMAP\n\t\t\treturn texture2D( gradientMap, coord ).rgb;\n\t\t#else\n\t\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t\t#endif\n\t}\n#endif\n"; + +var lightmap_fragment = "#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif\n"; + +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 = normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\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\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\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\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif\n"; + +var lights_pars = "uniform vec3 ambientLightColor;\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\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\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\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\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\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\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 ltcMat;\tuniform sampler2D ltcMag;\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\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\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\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( queryVec, 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 blinnShininessExponent, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, 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\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = saturate( reflectVec.y * 0.5 + 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\n"; + +var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n"; + +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};\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_BlinnPhong( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 matDiffColor = material.diffuseColor;\n\t\tvec3 matSpecColor = material.specularColor;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = BlinnExponentToGGXRoughness( material.specularShininess );\n\t\tvec3 spec = Rect_Area_Light_Specular_Reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectAreaLight.position, rectAreaLight.halfWidth, rectAreaLight.halfHeight,\n\t\t\t\troughness,\n\t\t\t\tltcMat, ltcMag );\n\t\tvec3 diff = Rect_Area_Light_Diffuse_Reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectAreaLight.position, rectAreaLight.halfWidth, rectAreaLight.halfHeight );\n\t\treflectedLight.directSpecular += lightColor * matSpecColor * spec / PI2;\n\t\treflectedLight.directDiffuse += lightColor * matDiffColor * diff / PI2;\n\t}\n#endif\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifdef TOON\n\t\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#else\n\t\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\tvec3 irradiance = dotNL * directLight.color;\n\t#endif\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_Direct_RectArea\t\tRE_Direct_RectArea_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)\n"; + +var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef STANDARD\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.clearCoat = saturate( clearCoat );\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\n#endif\n"; + +var lights_physical_pars_fragment = "struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n\t#ifndef STANDARD\n\t\tfloat clearCoat;\n\t\tfloat clearCoatRoughness;\n\t#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 matDiffColor = material.diffuseColor;\n\t\tvec3 matSpecColor = material.specularColor;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 spec = Rect_Area_Light_Specular_Reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectAreaLight.position, rectAreaLight.halfWidth, rectAreaLight.halfHeight,\n\t\t\t\troughness,\n\t\t\t\tltcMat, ltcMag );\n\t\tvec3 diff = Rect_Area_Light_Diffuse_Reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectAreaLight.position, rectAreaLight.halfWidth, rectAreaLight.halfHeight );\n\t\treflectedLight.directSpecular += lightColor * matSpecColor * spec;\n\t\treflectedLight.directDiffuse += lightColor * matDiffColor * diff;\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#ifndef STANDARD\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\n\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\t#ifndef STANDARD\n\t\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\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 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifndef STANDARD\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\tfloat dotNL = dotNV;\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\n\t#ifndef STANDARD\n\t\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\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\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\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}\n"; + +var lights_template = "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = normalize( vViewPosition );\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 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\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.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\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.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\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 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef USE_LIGHTMAP\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * 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 ( NUM_HEMI_LIGHTS > 0 )\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\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\n\t#ifndef STANDARD\n\t\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\n\t#else\n\t\tvec3 clearCoatRadiance = vec3( 0.0 );\n\t#endif\n\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\n#endif\n"; + +var logdepthbuf_fragment = "#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\n\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\n#endif"; + +var logdepthbuf_pars_fragment = "#ifdef USE_LOGDEPTHBUF\n\tuniform float logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n#endif\n"; + +var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n\tuniform float logDepthBufFC;\n#endif"; + +var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t#else\n\t\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\n\t#endif\n#endif\n"; + +var map_fragment = "#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif\n"; + +var map_pars_fragment = "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n"; + +var map_particle_fragment = "#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n"; + +var map_particle_pars_fragment = "#ifdef USE_MAP\n\tuniform vec4 offsetRepeat;\n\tuniform sampler2D map;\n#endif\n"; + +var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.r;\n#endif\n"; + +var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif"; + +var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n#endif\n"; + +var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\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 += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\t#endif\n#endif\n"; + +var normal_flip = "#ifdef DOUBLE_SIDED\n\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n#else\n\tfloat flipNormal = 1.0;\n#endif\n"; + +var normal_fragment = "#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 ) * flipNormal;\n#endif\n#ifdef USE_NORMALMAP\n\tnormal = perturbNormal2Arb( -vViewPosition, normal );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif\n"; + +var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\n\t\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\n\t\tvec3 N = normalize( surf_norm );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = normalScale * mapN.xy;\n\t\tmat3 tsn = mat3( S, T, N );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif\n"; + +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 1.0 - 2.0 * rgb.xyz;\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}\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}\n"; + +var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif\n"; + +var project_vertex = "#ifdef USE_SKINNING\n\tvec4 mvPosition = modelViewMatrix * skinned;\n#else\n\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\n#endif\ngl_Position = projectionMatrix * mvPosition;\n"; + +var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.r;\n#endif\n"; + +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_LIGHTS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\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\treturn (\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( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, 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( 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 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\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\treturn (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn 1.0;\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 ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\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\n"; + +var shadowmap_pars_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n#endif\n"; + +var shadowmap_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif\n"; + +var shadowmask_pars_fragment = "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}\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 sampler2D boneTexture;\n\t\tuniform int boneTextureWidth;\n\t\tuniform int boneTextureHeight;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureWidth ) );\n\t\t\tfloat y = floor( j / float( boneTextureWidth ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureWidth );\n\t\t\tfloat dy = 1.0 / float( boneTextureHeight );\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\n"; + +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\tskinned = bindMatrixInverse * skinned;\n#endif\n"; + +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#endif\n"; + +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 gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif\n"; + +var tonemapping_pars_fragment = "#define saturate(a) clamp( a, 0.0, 1.0 )\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}\n"; + +var uv_pars_fragment = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n#endif"; + +var uv_pars_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n\tuniform vec4 offsetRepeat;\n#endif\n"; + +var uv_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvUv = uv * offsetRepeat.zw + offsetRepeat.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#endif"; + +var uv2_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = uv2;\n#endif"; + +var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\n\t#ifdef USE_SKINNING\n\t\tvec4 worldPosition = modelMatrix * skinned;\n\t#else\n\t\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n\t#endif\n#endif\n"; + +var cube_frag = "uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\n\tgl_FragColor.a *= opacity;\n}\n"; + +var cube_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\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 \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\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\t#endif\n}\n"; + +var depth_vert = "#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}\n"; + +var distanceRGBA_frag = "uniform vec3 lightPos;\nvarying vec4 vWorldPosition;\n#include \n#include \n#include \nvoid main () {\n\t#include \n\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\n}\n"; + +var distanceRGBA_vert = "varying vec4 vWorldPosition;\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\tvWorldPosition = worldPosition;\n}\n"; + +var equirect_frag = "uniform sampler2D tEquirect;\nuniform float tFlip;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldPosition );\n\tvec2 sampleUV;\n\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n}\n"; + +var equirect_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\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}\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}\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 \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\treflectedLight.indirectDiffuse += texture2D( lightMap, vUv2 ).xyz * 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\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\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}\n"; + +var meshlambert_frag = "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\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 \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#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\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + +var meshlambert_vert = "#define LAMBERT\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\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}\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 \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\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}\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}\n"; + +var meshphysical_frag = "#define PHYSICAL\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifndef STANDARD\n\tuniform float clearCoat;\n\tuniform float clearCoatRoughness;\n#endif\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 \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}\n"; + +var meshphysical_vert = "#define PHYSICAL\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}\n"; + +var normal_frag = "#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}\n"; + +var normal_vert = "#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\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#endif\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( USE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}\n"; + +var points_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include \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\t#include \n}\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#ifdef USE_SIZEATTENUATION\n\t\tgl_PointSize = size * ( scale / - mvPosition.z );\n\t#else\n\t\tgl_PointSize = size;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + +var shadow_frag = "uniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\n}\n"; + +var shadow_vert = "#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n}\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_pars_fragment: envmap_pars_fragment, + envmap_pars_vertex: envmap_pars_vertex, + 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: lights_pars, + 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_template: lights_template, + 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_flip: normal_flip, + normal_fragment: normal_fragment, + normalmap_pars_fragment: normalmap_pars_fragment, + packing: packing, + premultiplied_alpha_fragment: premultiplied_alpha_fragment, + project_vertex: project_vertex, + 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, + + 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, + 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 +}; + +/** + * @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; + +} + +Vector4.prototype = { + + constructor: Vector4, + + 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 ) { + + if ( isFinite( scalar ) ) { + + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + this.w *= scalar; + + } else { + + this.x = 0; + this.y = 0; + this.z = 0; + this.w = 0; + + } + + 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 ) { + + // This function assumes min < max, if this assumption isn't true it will not operate correctly + + 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 () { + + var min, max; + + return function clampScalar( minVal, maxVal ) { + + if ( min === undefined ) { + + min = new Vector4(); + max = new Vector4(); + + } + + min.set( minVal, minVal, minVal, minVal ); + max.set( maxVal, maxVal, maxVal, maxVal ); + + return this.clamp( min, max ); + + }; + + }(), + + 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 ); + + }, + + lengthManhattan: 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() ); + + }, + + setLength: function ( length ) { + + return this.multiplyScalar( length / this.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 mrdoob / http://mrdoob.com/ + */ + +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 ); + +} + +Color.prototype = { + + constructor: Color, + + 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 () { + + 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; + + } + + return function setHSL( h, s, l ) { + + // h,s,l ranges are in 0.0 - 1.0 + h = _Math.euclideanModulo( h, 1 ); + s = _Math.clamp( s, 0, 1 ); + l = _Math.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 ) { + + // 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 () { + + var r = this.r, g = this.g, b = this.b; + + this.r = r * r; + this.g = g * g; + this.b = b * b; + + return this; + + }, + + convertLinearToGamma: function () { + + this.r = Math.sqrt( this.r ); + this.g = Math.sqrt( this.g ); + this.b = Math.sqrt( this.b ); + + 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 ( optionalTarget ) { + + // h,s,l ranges are in 0.0 - 1.0 + + var hsl = optionalTarget || { 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; + + } + + hsl.h = hue; + hsl.s = saturation; + hsl.l = lightness; + + return hsl; + + }, + + getStyle: function () { + + return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')'; + + }, + + offsetHSL: function ( h, s, l ) { + + var hsl = this.getHSL(); + + hsl.h += h; hsl.s += s; hsl.l += l; + + this.setHSL( hsl.h, hsl.s, hsl.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; + + }, + + 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(); + + } + +}; + +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, '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 }; + +/** + * Uniforms library for shared webgl shaders + */ + +var UniformsLib = { + + common: { + + diffuse: { value: new Color( 0xeeeeee ) }, + opacity: { value: 1.0 }, + + map: { value: null }, + offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }, + + specularMap: { value: null }, + alphaMap: { value: null }, + + envMap: { value: null }, + flipEnvMap: { value: - 1 }, + reflectivity: { value: 1.0 }, + refractionRatio: { value: 0.98 } + + }, + + 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: [] }, + + directionalLights: { value: [], properties: { + direction: {}, + color: {}, + + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + + directionalShadowMap: { value: [] }, + directionalShadowMatrix: { value: [] }, + + spotLights: { value: [], properties: { + color: {}, + position: {}, + direction: {}, + distance: {}, + coneCos: {}, + penumbraCos: {}, + decay: {}, + + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + + spotShadowMap: { value: [] }, + spotShadowMatrix: { value: [] }, + + pointLights: { value: [], properties: { + color: {}, + position: {}, + decay: {}, + distance: {}, + + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + + 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 }, + offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) } + + } + +}; + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + */ + +var ShaderLib = { + + basic: { + + uniforms: UniformsUtils.merge( [ + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.fog + ] ), + + vertexShader: ShaderChunk.meshbasic_vert, + fragmentShader: ShaderChunk.meshbasic_frag + + }, + + lambert: { + + uniforms: UniformsUtils.merge( [ + UniformsLib.common, + 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: UniformsUtils.merge( [ + UniformsLib.common, + 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.meshphong_vert, + fragmentShader: ShaderChunk.meshphong_frag + + }, + + standard: { + + uniforms: UniformsUtils.merge( [ + UniformsLib.common, + 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 }, + envMapIntensity: { value: 1 } // temporary + } + ] ), + + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + + }, + + points: { + + uniforms: UniformsUtils.merge( [ + UniformsLib.points, + UniformsLib.fog + ] ), + + vertexShader: ShaderChunk.points_vert, + fragmentShader: ShaderChunk.points_frag + + }, + + dashed: { + + uniforms: UniformsUtils.merge( [ + UniformsLib.common, + UniformsLib.fog, + { + scale: { value: 1 }, + dashSize: { value: 1 }, + totalSize: { value: 2 } + } + ] ), + + vertexShader: ShaderChunk.linedashed_vert, + fragmentShader: ShaderChunk.linedashed_frag + + }, + + depth: { + + uniforms: UniformsUtils.merge( [ + UniformsLib.common, + UniformsLib.displacementmap + ] ), + + vertexShader: ShaderChunk.depth_vert, + fragmentShader: ShaderChunk.depth_frag + + }, + + normal: { + + uniforms: UniformsUtils.merge( [ + UniformsLib.common, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + { + opacity: { value: 1.0 } + } + ] ), + + vertexShader: ShaderChunk.normal_vert, + fragmentShader: ShaderChunk.normal_frag + + }, + + /* ------------------------------------------------------------------------- + // Cube map shader + ------------------------------------------------------------------------- */ + + cube: { + + uniforms: { + tCube: { value: null }, + tFlip: { value: - 1 }, + opacity: { value: 1.0 } + }, + + vertexShader: ShaderChunk.cube_vert, + fragmentShader: ShaderChunk.cube_frag + + }, + + /* ------------------------------------------------------------------------- + // Cube map shader + ------------------------------------------------------------------------- */ + + equirect: { + + uniforms: { + tEquirect: { value: null }, + tFlip: { value: - 1 } + }, + + vertexShader: ShaderChunk.equirect_vert, + fragmentShader: ShaderChunk.equirect_frag + + }, + + distanceRGBA: { + + uniforms: { + lightPos: { value: new Vector3() } + }, + + vertexShader: ShaderChunk.distanceRGBA_vert, + fragmentShader: ShaderChunk.distanceRGBA_frag + + } + +}; + +ShaderLib.physical = { + + uniforms: UniformsUtils.merge( [ + ShaderLib.standard.uniforms, + { + clearCoat: { value: 0 }, + clearCoatRoughness: { value: 0 } + } + ] ), + + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + +}; + +/** + * @author bhouston / http://clara.io + */ + +function Box2( min, max ) { + + this.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity ); + this.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity ); + +} + +Box2.prototype = { + + constructor: Box2, + + 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 () { + + var v1 = new Vector2(); + + return function setFromCenterAndSize( center, size ) { + + var halfSize = v1.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 ( optionalTarget ) { + + var result = optionalTarget || new Vector2(); + return this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + + }, + + getSize: function ( optionalTarget ) { + + var result = optionalTarget || new Vector2(); + return this.isEmpty() ? result.set( 0, 0 ) : result.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, optionalTarget ) { + + // This can potentially have a divide by zero if the box + // has a size dimension of 0. + + var result = optionalTarget || new Vector2(); + + return result.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 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 ? false : true; + + }, + + clampPoint: function ( point, optionalTarget ) { + + var result = optionalTarget || new Vector2(); + return result.copy( point ).clamp( this.min, this.max ); + + }, + + distanceToPoint: function () { + + var v1 = new Vector2(); + + return function distanceToPoint( point ) { + + var clampedPoint = v1.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 mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ + +function LensFlarePlugin( renderer, flares ) { + + var gl = renderer.context; + var state = renderer.state; + + var vertexBuffer, elementBuffer; + var shader, program, attributes, uniforms; + + var tempTexture, occlusionTexture; + + function init() { + + var vertices = new Float32Array( [ + - 1, - 1, 0, 0, + 1, - 1, 1, 0, + 1, 1, 1, 1, + - 1, 1, 0, 1 + ] ); + + var faces = new Uint16Array( [ + 0, 1, 2, + 0, 2, 3 + ] ); + + // buffers + + vertexBuffer = gl.createBuffer(); + elementBuffer = gl.createBuffer(); + + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); + + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); + + // textures + + tempTexture = gl.createTexture(); + occlusionTexture = gl.createTexture(); + + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + + state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); + gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + + shader = { + + vertexShader: [ + + "uniform lowp int renderType;", + + "uniform vec3 screenPosition;", + "uniform vec2 scale;", + "uniform float rotation;", + + "uniform sampler2D occlusionMap;", + + "attribute vec2 position;", + "attribute vec2 uv;", + + "varying vec2 vUV;", + "varying float vVisibility;", + + "void main() {", + + "vUV = uv;", + + "vec2 pos = position;", + + "if ( renderType == 2 ) {", + + "vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );", + + "vVisibility = visibility.r / 9.0;", + "vVisibility *= 1.0 - visibility.g / 9.0;", + "vVisibility *= visibility.b / 9.0;", + "vVisibility *= 1.0 - visibility.a / 9.0;", + + "pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;", + "pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;", + + "}", + + "gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );", + + "}" + + ].join( "\n" ), + + fragmentShader: [ + + "uniform lowp int renderType;", + + "uniform sampler2D map;", + "uniform float opacity;", + "uniform vec3 color;", + + "varying vec2 vUV;", + "varying float vVisibility;", + + "void main() {", + + // pink square + + "if ( renderType == 0 ) {", + + "gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );", + + // restore + + "} else if ( renderType == 1 ) {", + + "gl_FragColor = texture2D( map, vUV );", + + // flare + + "} else {", + + "vec4 texture = texture2D( map, vUV );", + "texture.a *= opacity * vVisibility;", + "gl_FragColor = texture;", + "gl_FragColor.rgb *= color;", + + "}", + + "}" + + ].join( "\n" ) + + }; + + program = createProgram( shader ); + + attributes = { + vertex: gl.getAttribLocation ( program, "position" ), + uv: gl.getAttribLocation ( program, "uv" ) + }; + + uniforms = { + renderType: gl.getUniformLocation( program, "renderType" ), + map: gl.getUniformLocation( program, "map" ), + occlusionMap: gl.getUniformLocation( program, "occlusionMap" ), + opacity: gl.getUniformLocation( program, "opacity" ), + color: gl.getUniformLocation( program, "color" ), + scale: gl.getUniformLocation( program, "scale" ), + rotation: gl.getUniformLocation( program, "rotation" ), + screenPosition: gl.getUniformLocation( program, "screenPosition" ) + }; + + } + + /* + * Render lens flares + * Method: renders 16x16 0xff00ff-colored points scattered over the light source area, + * reads these back and calculates occlusion. + */ + + this.render = function ( scene, camera, viewport ) { + + if ( flares.length === 0 ) return; + + var tempPosition = new Vector3(); + + var invAspect = viewport.w / viewport.z, + halfViewportWidth = viewport.z * 0.5, + halfViewportHeight = viewport.w * 0.5; + + var size = 16 / viewport.w, + scale = new Vector2( size * invAspect, size ); + + var screenPosition = new Vector3( 1, 1, 0 ), + screenPositionPixels = new Vector2( 1, 1 ); + + var validArea = new Box2(); + + validArea.min.set( viewport.x, viewport.y ); + validArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) ); + + if ( program === undefined ) { + + init(); + + } + + gl.useProgram( program ); + + state.initAttributes(); + state.enableAttribute( attributes.vertex ); + state.enableAttribute( attributes.uv ); + state.disableUnusedAttributes(); + + // loop through all lens flares to update their occlusion and positions + // setup gl and common used attribs/uniforms + + gl.uniform1i( uniforms.occlusionMap, 0 ); + gl.uniform1i( uniforms.map, 1 ); + + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 ); + gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); + + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + + state.disable( gl.CULL_FACE ); + state.setDepthWrite( false ); + + for ( var i = 0, l = flares.length; i < l; i ++ ) { + + size = 16 / viewport.w; + scale.set( size * invAspect, size ); + + // calc object screen position + + var flare = flares[ i ]; + + tempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] ); + + tempPosition.applyMatrix4( camera.matrixWorldInverse ); + tempPosition.applyMatrix4( camera.projectionMatrix ); + + // setup arrays for gl programs + + screenPosition.copy( tempPosition ); + + // horizontal and vertical coordinate of the lower left corner of the pixels to copy + + screenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8; + screenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8; + + // screen cull + + if ( validArea.containsPoint( screenPositionPixels ) === true ) { + + // save current RGB to temp texture + + state.activeTexture( gl.TEXTURE0 ); + state.bindTexture( gl.TEXTURE_2D, null ); + state.activeTexture( gl.TEXTURE1 ); + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); + + + // render pink quad + + gl.uniform1i( uniforms.renderType, 0 ); + gl.uniform2f( uniforms.scale, scale.x, scale.y ); + gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); + + state.disable( gl.BLEND ); + state.enable( gl.DEPTH_TEST ); + + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + + + // copy result to occlusionMap + + state.activeTexture( gl.TEXTURE0 ); + state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); + gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); + + + // restore graphics + + gl.uniform1i( uniforms.renderType, 1 ); + state.disable( gl.DEPTH_TEST ); + + state.activeTexture( gl.TEXTURE1 ); + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + + + // update object positions + + flare.positionScreen.copy( screenPosition ); + + if ( flare.customUpdateCallback ) { + + flare.customUpdateCallback( flare ); + + } else { + + flare.updateLensFlares(); + + } + + // render flares + + gl.uniform1i( uniforms.renderType, 2 ); + state.enable( gl.BLEND ); + + for ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) { + + var sprite = flare.lensFlares[ j ]; + + if ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) { + + screenPosition.x = sprite.x; + screenPosition.y = sprite.y; + screenPosition.z = sprite.z; + + size = sprite.size * sprite.scale / viewport.w; + + scale.x = size * invAspect; + scale.y = size; + + gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); + gl.uniform2f( uniforms.scale, scale.x, scale.y ); + gl.uniform1f( uniforms.rotation, sprite.rotation ); + + gl.uniform1f( uniforms.opacity, sprite.opacity ); + gl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b ); + + state.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst ); + renderer.setTexture2D( sprite.texture, 1 ); + + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + + } + + } + + } + + } + + // restore gl + + state.enable( gl.CULL_FACE ); + state.enable( gl.DEPTH_TEST ); + state.setDepthWrite( true ); + + renderer.resetGLState(); + + }; + + function createProgram( shader ) { + + var program = gl.createProgram(); + + var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); + var vertexShader = gl.createShader( gl.VERTEX_SHADER ); + + var prefix = "precision " + renderer.getPrecision() + " float;\n"; + + gl.shaderSource( fragmentShader, prefix + shader.fragmentShader ); + gl.shaderSource( vertexShader, prefix + shader.vertexShader ); + + gl.compileShader( fragmentShader ); + gl.compileShader( vertexShader ); + + gl.attachShader( program, fragmentShader ); + gl.attachShader( program, vertexShader ); + + gl.linkProgram( program ); + + return program; + + } + +} + +/** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ + +function SpritePlugin( renderer, sprites ) { + + var gl = renderer.context; + var state = renderer.state; + + var vertexBuffer, elementBuffer; + var program, attributes, uniforms; + + var texture; + + // decompose matrixWorld + + var spritePosition = new Vector3(); + var spriteRotation = new Quaternion(); + var spriteScale = new Vector3(); + + function init() { + + var vertices = new Float32Array( [ + - 0.5, - 0.5, 0, 0, + 0.5, - 0.5, 1, 0, + 0.5, 0.5, 1, 1, + - 0.5, 0.5, 0, 1 + ] ); + + var faces = new Uint16Array( [ + 0, 1, 2, + 0, 2, 3 + ] ); + + vertexBuffer = gl.createBuffer(); + elementBuffer = gl.createBuffer(); + + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); + + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); + + program = createProgram(); + + attributes = { + position: gl.getAttribLocation ( program, 'position' ), + uv: gl.getAttribLocation ( program, 'uv' ) + }; + + uniforms = { + uvOffset: gl.getUniformLocation( program, 'uvOffset' ), + uvScale: gl.getUniformLocation( program, 'uvScale' ), + + rotation: gl.getUniformLocation( program, 'rotation' ), + scale: gl.getUniformLocation( program, 'scale' ), + + color: gl.getUniformLocation( program, 'color' ), + map: gl.getUniformLocation( program, 'map' ), + opacity: gl.getUniformLocation( program, 'opacity' ), + + modelViewMatrix: gl.getUniformLocation( program, 'modelViewMatrix' ), + projectionMatrix: gl.getUniformLocation( program, 'projectionMatrix' ), + + fogType: gl.getUniformLocation( program, 'fogType' ), + fogDensity: gl.getUniformLocation( program, 'fogDensity' ), + fogNear: gl.getUniformLocation( program, 'fogNear' ), + fogFar: gl.getUniformLocation( program, 'fogFar' ), + fogColor: gl.getUniformLocation( program, 'fogColor' ), + + alphaTest: gl.getUniformLocation( program, 'alphaTest' ) + }; + + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = 8; + canvas.height = 8; + + var context = canvas.getContext( '2d' ); + context.fillStyle = 'white'; + context.fillRect( 0, 0, 8, 8 ); + + texture = new Texture( canvas ); + texture.needsUpdate = true; + + } + + this.render = function ( scene, camera ) { + + if ( sprites.length === 0 ) return; + + // setup gl + + if ( program === undefined ) { + + init(); + + } + + gl.useProgram( program ); + + state.initAttributes(); + state.enableAttribute( attributes.position ); + state.enableAttribute( attributes.uv ); + state.disableUnusedAttributes(); + + state.disable( gl.CULL_FACE ); + state.enable( gl.BLEND ); + + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 ); + gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); + + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + + gl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements ); + + state.activeTexture( gl.TEXTURE0 ); + gl.uniform1i( uniforms.map, 0 ); + + var oldFogType = 0; + var sceneFogType = 0; + var fog = scene.fog; + + if ( fog ) { + + gl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b ); + + if ( fog.isFog ) { + + gl.uniform1f( uniforms.fogNear, fog.near ); + gl.uniform1f( uniforms.fogFar, fog.far ); + + gl.uniform1i( uniforms.fogType, 1 ); + oldFogType = 1; + sceneFogType = 1; + + } else if ( fog.isFogExp2 ) { + + gl.uniform1f( uniforms.fogDensity, fog.density ); + + gl.uniform1i( uniforms.fogType, 2 ); + oldFogType = 2; + sceneFogType = 2; + + } + + } else { + + gl.uniform1i( uniforms.fogType, 0 ); + oldFogType = 0; + sceneFogType = 0; + + } + + + // update positions and sort + + for ( var i = 0, l = sprites.length; i < l; i ++ ) { + + var sprite = sprites[ i ]; + + sprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld ); + sprite.z = - sprite.modelViewMatrix.elements[ 14 ]; + + } + + sprites.sort( painterSortStable ); + + // render all sprites + + var scale = []; + + for ( var i = 0, l = sprites.length; i < l; i ++ ) { + + var sprite = sprites[ i ]; + var material = sprite.material; + + if ( material.visible === false ) continue; + + gl.uniform1f( uniforms.alphaTest, material.alphaTest ); + gl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements ); + + sprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale ); + + scale[ 0 ] = spriteScale.x; + scale[ 1 ] = spriteScale.y; + + var fogType = 0; + + if ( scene.fog && material.fog ) { + + fogType = sceneFogType; + + } + + if ( oldFogType !== fogType ) { + + gl.uniform1i( uniforms.fogType, fogType ); + oldFogType = fogType; + + } + + if ( material.map !== null ) { + + gl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y ); + gl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y ); + + } else { + + gl.uniform2f( uniforms.uvOffset, 0, 0 ); + gl.uniform2f( uniforms.uvScale, 1, 1 ); + + } + + gl.uniform1f( uniforms.opacity, material.opacity ); + gl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b ); + + gl.uniform1f( uniforms.rotation, material.rotation ); + gl.uniform2fv( uniforms.scale, scale ); + + state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst ); + state.setDepthTest( material.depthTest ); + state.setDepthWrite( material.depthWrite ); + + if ( material.map ) { + + renderer.setTexture2D( material.map, 0 ); + + } else { + + renderer.setTexture2D( texture, 0 ); + + } + + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + + } + + // restore gl + + state.enable( gl.CULL_FACE ); + + renderer.resetGLState(); + + }; + + function createProgram() { + + var program = gl.createProgram(); + + var vertexShader = gl.createShader( gl.VERTEX_SHADER ); + var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); + + gl.shaderSource( vertexShader, [ + + 'precision ' + renderer.getPrecision() + ' float;', + + 'uniform mat4 modelViewMatrix;', + 'uniform mat4 projectionMatrix;', + 'uniform float rotation;', + 'uniform vec2 scale;', + 'uniform vec2 uvOffset;', + 'uniform vec2 uvScale;', + + 'attribute vec2 position;', + 'attribute vec2 uv;', + + 'varying vec2 vUV;', + + 'void main() {', + + 'vUV = uvOffset + uv * uvScale;', + + 'vec2 alignedPosition = position * scale;', + + 'vec2 rotatedPosition;', + 'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;', + 'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;', + + 'vec4 finalPosition;', + + 'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );', + 'finalPosition.xy += rotatedPosition;', + 'finalPosition = projectionMatrix * finalPosition;', + + 'gl_Position = finalPosition;', + + '}' + + ].join( '\n' ) ); + + gl.shaderSource( fragmentShader, [ + + 'precision ' + renderer.getPrecision() + ' float;', + + 'uniform vec3 color;', + 'uniform sampler2D map;', + 'uniform float opacity;', + + 'uniform int fogType;', + 'uniform vec3 fogColor;', + 'uniform float fogDensity;', + 'uniform float fogNear;', + 'uniform float fogFar;', + 'uniform float alphaTest;', + + 'varying vec2 vUV;', + + 'void main() {', + + 'vec4 texture = texture2D( map, vUV );', + + 'if ( texture.a < alphaTest ) discard;', + + 'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );', + + 'if ( fogType > 0 ) {', + + 'float depth = gl_FragCoord.z / gl_FragCoord.w;', + 'float fogFactor = 0.0;', + + 'if ( fogType == 1 ) {', + + 'fogFactor = smoothstep( fogNear, fogFar, depth );', + + '} else {', + + 'const float LOG2 = 1.442695;', + 'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );', + 'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );', + + '}', + + 'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );', + + '}', + + '}' + + ].join( '\n' ) ); + + gl.compileShader( vertexShader ); + gl.compileShader( fragmentShader ); + + gl.attachShader( program, vertexShader ); + gl.attachShader( program, fragmentShader ); + + gl.linkProgram( program ); + + return program; + + } + + function painterSortStable( a, b ) { + + if ( a.renderOrder !== b.renderOrder ) { + + return a.renderOrder - b.renderOrder; + + } else if ( a.z !== b.z ) { + + return b.z - a.z; + + } else { + + return b.id - a.id; + + } + + } + +} + +/** + * @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.uuid = _Math.generateUUID(); + + 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 || {}; + + if ( options.minFilter === undefined ) options.minFilter = LinearFilter; + + this.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding ); + + 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 = { + + constructor: WebGLRenderTarget, + + isWebGLRenderTarget: true, + + setSize: function ( width, height ) { + + if ( this.width !== width || this.height !== height ) { + + this.width = width; + this.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' } ); + + } + +}; + +Object.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + +var materialId = 0; + +function Material() { + + Object.defineProperty( this, 'id', { value: materialId ++ } ); + + this.uuid = _Math.generateUUID(); + + this.name = ''; + this.type = 'Material'; + + this.fog = true; + this.lights = true; + + this.blending = NormalBlending; + this.side = FrontSide; + this.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading + this.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors + + 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.clippingPlanes = null; + this.clipIntersection = false; + this.clipShadows = false; + + 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.alphaTest = 0; + this.premultipliedAlpha = false; + + this.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer + + this.visible = true; + + this._needsUpdate = true; + +} + +Material.prototype = { + + constructor: Material, + + isMaterial: true, + + get needsUpdate() { + + return this._needsUpdate; + + }, + + set needsUpdate( value ) { + + if ( value === true ) this.update(); + this._needsUpdate = value; + + }, + + 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; + + } + + 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 if ( key === 'overdraw' ) { + + // ensure overdraw is backwards-compatible with legacy boolean type + this[ key ] = Number( newValue ); + + } else { + + this[ key ] = newValue; + + } + + } + + }, + + toJSON: function ( meta ) { + + var isRoot = meta === undefined; + + if ( isRoot ) { + + meta = { + textures: {}, + images: {} + }; + + } + + var data = { + metadata: { + version: 4.4, + 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.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex(); + 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.map && this.map.isTexture ) data.map = this.map.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.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.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 + + } + + 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.shading !== SmoothShading ) data.shading = this.shading; + if ( this.side !== FrontSide ) data.side = this.side; + if ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors; + + 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; + + 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; + + data.skinning = this.skinning; + data.morphTargets = this.morphTargets; + + // 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.lights = source.lights; + + this.blending = source.blending; + this.side = source.side; + this.shading = source.shading; + 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.colorWrite = source.colorWrite; + + this.precision = source.precision; + + this.polygonOffset = source.polygonOffset; + this.polygonOffsetFactor = source.polygonOffsetFactor; + this.polygonOffsetUnits = source.polygonOffsetUnits; + + this.alphaTest = source.alphaTest; + + this.premultipliedAlpha = source.premultipliedAlpha; + + this.overdraw = source.overdraw; + + this.visible = source.visible; + this.clipShadows = source.clipShadows; + this.clipIntersection = source.clipIntersection; + + 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; + + return this; + + }, + + update: function () { + + this.dispatchEvent( { type: 'update' } ); + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +}; + +Object.assign( Material.prototype, EventDispatcher.prototype ); + +/** + * @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 = 'void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}'; + this.fragmentShader = 'void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}'; + + 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; + + 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 = UniformsUtils.clone( source.uniforms ); + + this.defines = 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 = this.uniforms; + data.vertexShader = this.vertexShader; + data.fragmentShader = this.fragmentShader; + + return data; + +}; + +/** + * @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.lights = 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 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 ); + +} + +Box3.prototype = { + + constructor: Box3, + + 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 () { + + var v1 = new Vector3(); + + return function setFromCenterAndSize( center, size ) { + + var halfSize = v1.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 ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + + }, + + getSize: function ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return this.isEmpty() ? result.set( 0, 0, 0 ) : result.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 () { + + // Computes the world-axis-aligned bounding box of an object (including its children), + // accounting for both the object's, and children's, world transforms + + var v1 = new Vector3(); + + return function expandByObject( object ) { + + var scope = this; + + object.updateMatrixWorld( true ); + + object.traverse( function ( node ) { + + var i, l; + + var geometry = node.geometry; + + if ( geometry !== undefined ) { + + if ( geometry.isGeometry ) { + + var vertices = geometry.vertices; + + for ( i = 0, l = vertices.length; i < l; i ++ ) { + + v1.copy( vertices[ i ] ); + v1.applyMatrix4( node.matrixWorld ); + + scope.expandByPoint( v1 ); + + } + + } else if ( geometry.isBufferGeometry ) { + + var attribute = geometry.attributes.position; + + if ( attribute !== undefined ) { + + for ( i = 0, l = attribute.count; i < l; i ++ ) { + + v1.fromBufferAttribute( attribute, i ).applyMatrix4( node.matrixWorld ); + + scope.expandByPoint( v1 ); + + } + + } + + } + + } + + } ); + + 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, optionalTarget ) { + + // This can potentially have a divide by zero if the box + // has a size dimension of 0. + + var result = optionalTarget || new Vector3(); + + return result.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 () { + + var closestPoint; + + return function intersectsSphere( sphere ) { + + if ( closestPoint === undefined ) closestPoint = new Vector3(); + + // Find the point on the AABB closest to the sphere center. + this.clampPoint( sphere.center, closestPoint ); + + // If that point is inside the sphere, the AABB and sphere intersect. + return closestPoint.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 ); + + }, + + clampPoint: function ( point, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return result.copy( point ).clamp( this.min, this.max ); + + }, + + distanceToPoint: function () { + + var v1 = new Vector3(); + + return function distanceToPoint( point ) { + + var clampedPoint = v1.copy( point ).clamp( this.min, this.max ); + return clampedPoint.sub( point ).length(); + + }; + + }(), + + getBoundingSphere: function () { + + var v1 = new Vector3(); + + return function getBoundingSphere( optionalTarget ) { + + var result = optionalTarget || new Sphere(); + + this.getCenter( result.center ); + + result.radius = this.getSize( v1 ).length() * 0.5; + + return result; + + }; + + }(), + + 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 () { + + var points = [ + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3() + ]; + + return function applyMatrix4( 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 ); + + } + +}; + +/** + * @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; + +} + +Sphere.prototype = { + + constructor: Sphere, + + set: function ( center, radius ) { + + this.center.copy( center ); + this.radius = radius; + + return this; + + }, + + setFromPoints: function () { + + var box; + + return function setFromPoints( points, optionalCenter ) { + + if ( box === undefined ) box = new Box3(); // see #10547 + + var center = this.center; + + if ( optionalCenter !== undefined ) { + + center.copy( optionalCenter ); + + } else { + + box.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 ) { + + // We use the following equation to compute the signed distance from + // the center of the sphere to the plane. + // + // distance = q * n - d + // + // If this distance is greater than the radius of the sphere, + // then there is no intersection. + + return Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius; + + }, + + clampPoint: function ( point, optionalTarget ) { + + var deltaLengthSq = this.center.distanceToSquared( point ); + + var result = optionalTarget || new Vector3(); + + result.copy( point ); + + if ( deltaLengthSq > ( this.radius * this.radius ) ) { + + result.sub( this.center ).normalize(); + result.multiplyScalar( this.radius ).add( this.center ); + + } + + return result; + + }, + + getBoundingBox: function ( optionalTarget ) { + + var box = optionalTarget || new Box3(); + + box.set( this.center, this.center ); + box.expandByScalar( this.radius ); + + return box; + + }, + + 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 ); + + } + +}; + +/** + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + * @author tschw + */ + +function Matrix3() { + + this.elements = new Float32Array( [ + + 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.' ); + + } + +} + +Matrix3.prototype = { + + constructor: Matrix3, + + 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 me = m.elements; + + this.set( + + me[ 0 ], me[ 3 ], me[ 6 ], + me[ 1 ], me[ 4 ], me[ 7 ], + me[ 2 ], me[ 5 ], me[ 8 ] + + ); + + 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; + + }, + + applyToBufferAttribute: function () { + + var v1; + + return function applyToBufferAttribute( attribute ) { + + if ( v1 === undefined ) v1 = new Vector3(); + + for ( var i = 0, l = attribute.count; i < l; i ++ ) { + + v1.x = attribute.getX( i ); + v1.y = attribute.getY( i ); + v1.z = attribute.getZ( i ); + + v1.applyMatrix3( this ); + + attribute.setXYZ( i, v1.x, v1.y, v1.z ); + + } + + return attribute; + + }; + + }(), + + 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; + + }, + + 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 bhouston / http://clara.io + */ + +function Plane( normal, constant ) { + + this.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 ); + this.constant = ( constant !== undefined ) ? constant : 0; + +} + +Plane.prototype = { + + constructor: Plane, + + 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 ); // must be this.normal, not normal, as this.normal is normalized + + return this; + + }, + + setFromCoplanarPoints: function () { + + var v1 = new Vector3(); + var v2 = new Vector3(); + + return function setFromCoplanarPoints( a, b, c ) { + + var normal = v1.subVectors( c, b ).cross( v2.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, optionalTarget ) { + + return this.orthoPoint( point, optionalTarget ).sub( point ).negate(); + + }, + + orthoPoint: function ( point, optionalTarget ) { + + var perpendicularMagnitude = this.distanceToPoint( point ); + + var result = optionalTarget || new Vector3(); + return result.copy( this.normal ).multiplyScalar( perpendicularMagnitude ); + + }, + + intersectLine: function () { + + var v1 = new Vector3(); + + return function intersectLine( line, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + var direction = line.delta( v1 ); + + var denominator = this.normal.dot( direction ); + + if ( denominator === 0 ) { + + // line is coplanar, return origin + if ( this.distanceToPoint( line.start ) === 0 ) { + + return result.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 result.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 ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return result.copy( this.normal ).multiplyScalar( - this.constant ); + + }, + + applyMatrix4: function () { + + var v1 = new Vector3(); + var m1 = new Matrix3(); + + return function applyMatrix4( matrix, optionalNormalMatrix ) { + + var referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix ); + + // transform normal based on theory here: + // http://www.songho.ca/opengl/gl_normaltransform.html + var normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix ); + var normal = this.normal.applyMatrix3( normalMatrix ).normalize(); + + // recalculate constant (like in setFromNormalAndCoplanarPoint) + this.constant = - referencePoint.dot( normal ); + + return this; + + }; + + }(), + + translate: function ( offset ) { + + this.constant = this.constant - offset.dot( this.normal ); + + return this; + + }, + + equals: function ( plane ) { + + return plane.normal.equals( this.normal ) && ( plane.constant === this.constant ); + + } + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author bhouston / http://clara.io + */ + +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() + + ]; + +} + +Frustum.prototype = { + + constructor: Frustum, + + 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; + + }, + + setFromMatrix: 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 () { + + var sphere = new Sphere(); + + return function intersectsObject( object ) { + + var geometry = object.geometry; + + if ( geometry.boundingSphere === null ) + geometry.computeBoundingSphere(); + + sphere.copy( geometry.boundingSphere ) + .applyMatrix4( object.matrixWorld ); + + return this.intersectsSphere( sphere ); + + }; + + }(), + + intersectsSprite: function () { + + var sphere = new Sphere(); + + return function intersectsSprite( sprite ) { + + sphere.center.set( 0, 0, 0 ); + sphere.radius = 0.7071067811865476; + sphere.applyMatrix4( sprite.matrixWorld ); + + return this.intersectsSphere( sphere ); + + }; + + }(), + + 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 () { + + var p1 = new Vector3(), + p2 = new Vector3(); + + return function intersectsBox( box ) { + + var planes = this.planes; + + for ( var i = 0; i < 6 ; i ++ ) { + + var plane = planes[ i ]; + + p1.x = plane.normal.x > 0 ? box.min.x : box.max.x; + p2.x = plane.normal.x > 0 ? box.max.x : box.min.x; + p1.y = plane.normal.y > 0 ? box.min.y : box.max.y; + p2.y = plane.normal.y > 0 ? box.max.y : box.min.y; + p1.z = plane.normal.z > 0 ? box.min.z : box.max.z; + p2.z = plane.normal.z > 0 ? box.max.z : box.min.z; + + var d1 = plane.distanceToPoint( p1 ); + var d2 = plane.distanceToPoint( p2 ); + + // if both outside plane, no intersection + + if ( d1 < 0 && d2 < 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; + + } + +}; + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLShadowMap( _renderer, _lights, _objects, capabilities ) { + + var _gl = _renderer.context, + _state = _renderer.state, + _frustum = new Frustum(), + _projScreenMatrix = new Matrix4(), + + _lightShadows = _lights.shadows, + + _shadowMapSize = new Vector2(), + _maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ), + + _lookTarget = new Vector3(), + _lightPositionWorld = new Vector3(), + + _renderList = [], + + _MorphingFlag = 1, + _SkinningFlag = 2, + + _NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1, + + _depthMaterials = new Array( _NumberOfMaterialVariants ), + _distanceMaterials = new Array( _NumberOfMaterialVariants ), + + _materialCache = {}; + + var 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 ) + ]; + + var 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 ) + ]; + + var cube2DViewPorts = [ + new Vector4(), new Vector4(), new Vector4(), + new Vector4(), new Vector4(), new Vector4() + ]; + + // init + + var depthMaterialTemplate = new MeshDepthMaterial(); + depthMaterialTemplate.depthPacking = RGBADepthPacking; + depthMaterialTemplate.clipping = true; + + var distanceShader = ShaderLib[ "distanceRGBA" ]; + var distanceUniforms = UniformsUtils.clone( distanceShader.uniforms ); + + for ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) { + + var useMorphing = ( i & _MorphingFlag ) !== 0; + var useSkinning = ( i & _SkinningFlag ) !== 0; + + var depthMaterial = depthMaterialTemplate.clone(); + depthMaterial.morphTargets = useMorphing; + depthMaterial.skinning = useSkinning; + + _depthMaterials[ i ] = depthMaterial; + + var distanceMaterial = new ShaderMaterial( { + defines: { + 'USE_SHADOWMAP': '' + }, + uniforms: distanceUniforms, + vertexShader: distanceShader.vertexShader, + fragmentShader: distanceShader.fragmentShader, + morphTargets: useMorphing, + skinning: useSkinning, + clipping: true + } ); + + _distanceMaterials[ i ] = distanceMaterial; + + } + + // + + var scope = this; + + this.enabled = false; + + this.autoUpdate = true; + this.needsUpdate = false; + + this.type = PCFShadowMap; + + this.renderReverseSided = true; + this.renderSingleSided = true; + + this.render = function ( scene, camera ) { + + if ( scope.enabled === false ) return; + if ( scope.autoUpdate === false && scope.needsUpdate === false ) return; + + if ( _lightShadows.length === 0 ) return; + + // Set GL state for depth map. + _state.buffers.color.setClear( 1, 1, 1, 1 ); + _state.disable( _gl.BLEND ); + _state.setDepthTest( true ); + _state.setScissorTest( false ); + + // render depth map + + var faceCount, isPointLight; + + for ( var i = 0, il = _lightShadows.length; i < il; i ++ ) { + + var light = _lightShadows[ i ]; + var shadow = light.shadow; + + if ( shadow === undefined ) { + + console.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' ); + continue; + + } + + var shadowCamera = shadow.camera; + + _shadowMapSize.copy( shadow.mapSize ); + _shadowMapSize.min( _maxShadowMapSize ); + + if ( light && light.isPointLight ) { + + faceCount = 6; + isPointLight = true; + + var vpWidth = _shadowMapSize.x; + var vpHeight = _shadowMapSize.y; + + // 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 + cube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight ); + // negative X + cube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight ); + // positive Z + cube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight ); + // negative Z + cube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight ); + // positive Y + cube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight ); + // negative Y + cube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight ); + + _shadowMapSize.x *= 4.0; + _shadowMapSize.y *= 2.0; + + } else { + + faceCount = 1; + isPointLight = false; + + } + + if ( shadow.map === null ) { + + var pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat }; + + shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); + + shadowCamera.updateProjectionMatrix(); + + } + + if ( shadow.isSpotLightShadow ) { + + shadow.update( light ); + + } + + // TODO (abelnation / sam-g-steel): is this needed? + if (shadow && shadow.isRectAreaLightShadow ) { + + shadow.update( light ); + + } + + var shadowMap = shadow.map; + var shadowMatrix = shadow.matrix; + + _lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); + shadowCamera.position.copy( _lightPositionWorld ); + + _renderer.setRenderTarget( shadowMap ); + _renderer.clear(); + + // render shadow map for each cube face (if omni-directional) or + // run a single pass if not + + for ( var face = 0; face < faceCount; face ++ ) { + + if ( isPointLight ) { + + _lookTarget.copy( shadowCamera.position ); + _lookTarget.add( cubeDirections[ face ] ); + shadowCamera.up.copy( cubeUps[ face ] ); + shadowCamera.lookAt( _lookTarget ); + + var vpDimensions = cube2DViewPorts[ face ]; + _state.viewport( vpDimensions ); + + } else { + + _lookTarget.setFromMatrixPosition( light.target.matrixWorld ); + shadowCamera.lookAt( _lookTarget ); + + } + + shadowCamera.updateMatrixWorld(); + shadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld ); + + // compute shadow matrix + + 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 ); + + // update camera matrices and frustum + + _projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse ); + _frustum.setFromMatrix( _projScreenMatrix ); + + // set object matrices & frustum culling + + _renderList.length = 0; + + projectObject( scene, camera, shadowCamera ); + + // render shadow map + // render regular objects + + for ( var j = 0, jl = _renderList.length; j < jl; j ++ ) { + + var object = _renderList[ j ]; + var geometry = _objects.update( object ); + var material = object.material; + + if ( material && material.isMultiMaterial ) { + + var groups = geometry.groups; + var materials = material.materials; + + for ( var k = 0, kl = groups.length; k < kl; k ++ ) { + + var group = groups[ k ]; + var groupMaterial = materials[ group.materialIndex ]; + + if ( groupMaterial.visible === true ) { + + var depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld ); + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group ); + + } + + } + + } else { + + var depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld ); + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null ); + + } + + } + + } + + } + + // Restore GL state. + var clearColor = _renderer.getClearColor(), + clearAlpha = _renderer.getClearAlpha(); + _renderer.setClearColor( clearColor, clearAlpha ); + + scope.needsUpdate = false; + + }; + + function getDepthMaterial( object, material, isPointLight, lightPositionWorld ) { + + var geometry = object.geometry; + + var result = null; + + var materialVariants = _depthMaterials; + var customMaterial = object.customDepthMaterial; + + if ( isPointLight ) { + + materialVariants = _distanceMaterials; + customMaterial = object.customDistanceMaterial; + + } + + if ( ! customMaterial ) { + + var useMorphing = false; + + if ( material.morphTargets ) { + + if ( geometry && geometry.isBufferGeometry ) { + + useMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0; + + } else if ( geometry && geometry.isGeometry ) { + + useMorphing = geometry.morphTargets && geometry.morphTargets.length > 0; + + } + + } + + var useSkinning = object.isSkinnedMesh && material.skinning; + + var variantIndex = 0; + + if ( useMorphing ) variantIndex |= _MorphingFlag; + if ( useSkinning ) variantIndex |= _SkinningFlag; + + result = materialVariants[ variantIndex ]; + + } 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; + + var side = material.side; + + if ( scope.renderSingleSided && side == DoubleSide ) { + + side = FrontSide; + + } + + if ( scope.renderReverseSided ) { + + if ( side === FrontSide ) side = BackSide; + else if ( side === BackSide ) side = FrontSide; + + } + + result.side = side; + + result.clipShadows = material.clipShadows; + result.clippingPlanes = material.clippingPlanes; + + result.wireframeLinewidth = material.wireframeLinewidth; + result.linewidth = material.linewidth; + + if ( isPointLight && result.uniforms.lightPos !== undefined ) { + + result.uniforms.lightPos.value.copy( lightPositionWorld ); + + } + + return result; + + } + + function projectObject( object, camera, shadowCamera ) { + + if ( object.visible === false ) return; + + var visible = ( object.layers.mask & camera.layers.mask ) !== 0; + + if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) { + + if ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) { + + var material = object.material; + + if ( material.visible === true ) { + + object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld ); + _renderList.push( object ); + + } + + } + + } + + var children = object.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + projectObject( children[ i ], camera, shadowCamera ); + + } + + } + +} + +/** + * @author bhouston / http://clara.io + */ + +function Ray( origin, direction ) { + + this.origin = ( origin !== undefined ) ? origin : new Vector3(); + this.direction = ( direction !== undefined ) ? direction : new Vector3(); + +} + +Ray.prototype = { + + constructor: Ray, + + 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, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + return result.copy( this.direction ).multiplyScalar( t ).add( this.origin ); + + }, + + lookAt: function ( v ) { + + this.direction.copy( v ).sub( this.origin ).normalize(); + + return this; + + }, + + recast: function () { + + var v1 = new Vector3(); + + return function recast( t ) { + + this.origin.copy( this.at( t, v1 ) ); + + return this; + + }; + + }(), + + closestPointToPoint: function ( point, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + result.subVectors( point, this.origin ); + var directionDistance = result.dot( this.direction ); + + if ( directionDistance < 0 ) { + + return result.copy( this.origin ); + + } + + return result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + + }, + + distanceToPoint: function ( point ) { + + return Math.sqrt( this.distanceSqToPoint( point ) ); + + }, + + distanceSqToPoint: function () { + + var v1 = new Vector3(); + + return function distanceSqToPoint( point ) { + + var directionDistance = v1.subVectors( point, this.origin ).dot( this.direction ); + + // point behind the ray + + if ( directionDistance < 0 ) { + + return this.origin.distanceToSquared( point ); + + } + + v1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + + return v1.distanceToSquared( point ); + + }; + + }(), + + distanceSqToSegment: function () { + + var segCenter = new Vector3(); + var segDir = new Vector3(); + var diff = new Vector3(); + + return function distanceSqToSegment( 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 () { + + var v1 = new Vector3(); + + return function intersectSphere( sphere, optionalTarget ) { + + v1.subVectors( sphere.center, this.origin ); + var tca = v1.dot( this.direction ); + var d2 = v1.dot( v1 ) - 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, optionalTarget ); + + // else t0 is in front of the ray, so return the first collision point scaled by t0 + return this.at( t0, optionalTarget ); + + }; + + }(), + + intersectsSphere: function ( sphere ) { + + return this.distanceToPoint( sphere.center ) <= 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, optionalTarget ) { + + var t = this.distanceToPlane( plane ); + + if ( t === null ) { + + return null; + + } + + return this.at( t, optionalTarget ); + + }, + + + + 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, optionalTarget ) { + + 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, optionalTarget ); + + }, + + intersectsBox: ( function () { + + var v = new Vector3(); + + return function intersectsBox( box ) { + + return this.intersectBox( box, v ) !== null; + + }; + + } )(), + + intersectTriangle: function () { + + // Compute the offset origin, edges, and normal. + var diff = new Vector3(); + var edge1 = new Vector3(); + var edge2 = new Vector3(); + var normal = new Vector3(); + + return function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) { + + // 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, optionalTarget ); + + }; + + }(), + + applyMatrix4: function ( matrix4 ) { + + this.direction.add( this.origin ).applyMatrix4( matrix4 ); + this.origin.applyMatrix4( matrix4 ); + this.direction.sub( this.origin ); + this.direction.normalize(); + + return this; + + }, + + equals: function ( ray ) { + + return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction ); + + } + +}; + +/** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + */ + +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'; + +Euler.prototype = { + + constructor: Euler, + + isEuler: true, + + get x () { + + return this._x; + + }, + + set x ( value ) { + + this._x = value; + this.onChangeCallback(); + + }, + + get y () { + + return this._y; + + }, + + set y ( value ) { + + this._y = value; + this.onChangeCallback(); + + }, + + get z () { + + return this._z; + + }, + + set z ( value ) { + + this._z = value; + this.onChangeCallback(); + + }, + + get order () { + + return this._order; + + }, + + set order ( value ) { + + this._order = value; + this.onChangeCallback(); + + }, + + 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 = _Math.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 ) < 0.99999 ) { + + 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 ) < 0.99999 ) { + + 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 ) < 0.99999 ) { + + 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 ) < 0.99999 ) { + + 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 ) < 0.99999 ) { + + 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 ) < 0.99999 ) { + + 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 () { + + var matrix; + + return function setFromQuaternion( q, order, update ) { + + if ( matrix === undefined ) matrix = new Matrix4(); + + 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 () { + + // WARNING: this discards revolution information -bhouston + + var q = new Quaternion(); + + return function reorder( newOrder ) { + + q.setFromEuler( this ); + + return this.setFromQuaternion( q, 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; + +} + +Layers.prototype = { + + constructor: Layers, + + set: function ( channel ) { + + this.mask = 1 << channel; + + }, + + enable: function ( channel ) { + + this.mask |= 1 << channel; + + }, + + toggle: function ( channel ) { + + this.mask ^= 1 << channel; + + }, + + disable: function ( channel ) { + + this.mask &= ~ ( 1 << channel ); + + }, + + test: function ( layers ) { + + return ( this.mask & layers.mask ) !== 0; + + } + +}; + +/** + * @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 + */ + +var object3DId = 0; + +function Object3D() { + + Object.defineProperty( this, 'id', { value: object3DId ++ } ); + + this.uuid = _Math.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: { + enumerable: true, + value: position + }, + rotation: { + enumerable: true, + value: rotation + }, + quaternion: { + enumerable: true, + value: quaternion + }, + scale: { + 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 = {}; + + this.onBeforeRender = function () {}; + this.onAfterRender = function () {}; + +} + +Object3D.DefaultUp = new Vector3( 0, 1, 0 ); +Object3D.DefaultMatrixAutoUpdate = true; + +Object3D.prototype = { + + constructor: Object3D, + + isObject3D: true, + + applyMatrix: function ( matrix ) { + + this.matrix.multiplyMatrices( matrix, this.matrix ); + + this.matrix.decompose( this.position, this.quaternion, this.scale ); + + }, + + 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 () { + + // rotate object on axis in object space + // axis is assumed to be normalized + + var q1 = new Quaternion(); + + return function rotateOnAxis( axis, angle ) { + + q1.setFromAxisAngle( axis, angle ); + + this.quaternion.multiply( q1 ); + + return this; + + }; + + }(), + + rotateX: function () { + + var v1 = new Vector3( 1, 0, 0 ); + + return function rotateX( angle ) { + + return this.rotateOnAxis( v1, angle ); + + }; + + }(), + + rotateY: function () { + + var v1 = new Vector3( 0, 1, 0 ); + + return function rotateY( angle ) { + + return this.rotateOnAxis( v1, angle ); + + }; + + }(), + + rotateZ: function () { + + var v1 = new Vector3( 0, 0, 1 ); + + return function rotateZ( angle ) { + + return this.rotateOnAxis( v1, angle ); + + }; + + }(), + + translateOnAxis: function () { + + // translate object by distance along axis in object space + // axis is assumed to be normalized + + var v1 = new Vector3(); + + return function translateOnAxis( axis, distance ) { + + v1.copy( axis ).applyQuaternion( this.quaternion ); + + this.position.add( v1.multiplyScalar( distance ) ); + + return this; + + }; + + }(), + + translateX: function () { + + var v1 = new Vector3( 1, 0, 0 ); + + return function translateX( distance ) { + + return this.translateOnAxis( v1, distance ); + + }; + + }(), + + translateY: function () { + + var v1 = new Vector3( 0, 1, 0 ); + + return function translateY( distance ) { + + return this.translateOnAxis( v1, distance ); + + }; + + }(), + + translateZ: function () { + + var v1 = new Vector3( 0, 0, 1 ); + + return function translateZ( distance ) { + + return this.translateOnAxis( v1, distance ); + + }; + + }(), + + localToWorld: function ( vector ) { + + return vector.applyMatrix4( this.matrixWorld ); + + }, + + worldToLocal: function () { + + var m1 = new Matrix4(); + + return function worldToLocal( vector ) { + + return vector.applyMatrix4( m1.getInverse( this.matrixWorld ) ); + + }; + + }(), + + lookAt: function () { + + // This routine does not support objects with rotated and/or translated parent(s) + + var m1 = new Matrix4(); + + return function lookAt( vector ) { + + m1.lookAt( vector, this.position, this.up ); + + this.quaternion.setFromRotationMatrix( m1 ); + + }; + + }(), + + 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; + object.dispatchEvent( { type: 'added' } ); + + this.children.push( object ); + + } 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 ] ); + + } + + } + + var index = this.children.indexOf( object ); + + if ( index !== - 1 ) { + + object.parent = null; + + object.dispatchEvent( { type: 'removed' } ); + + this.children.splice( index, 1 ); + + } + + }, + + 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 ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + this.updateMatrixWorld( true ); + + return result.setFromMatrixPosition( this.matrixWorld ); + + }, + + getWorldQuaternion: function () { + + var position = new Vector3(); + var scale = new Vector3(); + + return function getWorldQuaternion( optionalTarget ) { + + var result = optionalTarget || new Quaternion(); + + this.updateMatrixWorld( true ); + + this.matrixWorld.decompose( position, result, scale ); + + return result; + + }; + + }(), + + getWorldRotation: function () { + + var quaternion = new Quaternion(); + + return function getWorldRotation( optionalTarget ) { + + var result = optionalTarget || new Euler(); + + this.getWorldQuaternion( quaternion ); + + return result.setFromQuaternion( quaternion, this.rotation.order, false ); + + }; + + }(), + + getWorldScale: function () { + + var position = new Vector3(); + var quaternion = new Quaternion(); + + return function getWorldScale( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + this.updateMatrixWorld( true ); + + this.matrixWorld.decompose( position, quaternion, result ); + + return result; + + }; + + }(), + + getWorldDirection: function () { + + var quaternion = new Quaternion(); + + return function getWorldDirection( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + this.getWorldQuaternion( quaternion ); + + return result.set( 0, 0, 1 ).applyQuaternion( quaternion ); + + }; + + }(), + + 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 === true ) this.updateMatrix(); + + if ( this.matrixWorldNeedsUpdate === true || force === true ) { + + 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 ); + + } + + }, + + toJSON: function ( meta ) { + + // meta is '' when called from JSON.stringify + var isRootObject = ( meta === undefined || meta === '' ); + + 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: {} + }; + + output.metadata = { + version: 4.4, + 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 ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData; + if ( this.castShadow === true ) object.castShadow = true; + if ( this.receiveShadow === true ) object.receiveShadow = true; + if ( this.visible === false ) object.visible = false; + + object.matrix = this.matrix.toArray(); + + // + + if ( this.geometry !== undefined ) { + + if ( meta.geometries[ this.geometry.uuid ] === undefined ) { + + meta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta ); + + } + + object.geometry = this.geometry.uuid; + + } + + if ( this.material !== undefined ) { + + if ( meta.materials[ this.material.uuid ] === undefined ) { + + meta.materials[ this.material.uuid ] = this.material.toJSON( meta ); + + } + + object.material = this.material.uuid; + + } + + // + + 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 ); + + 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; + + } + + 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; + + } + +}; + +Object.assign( Object3D.prototype, EventDispatcher.prototype ); + +/** + * @author bhouston / http://clara.io + */ + +function Line3( start, end ) { + + this.start = ( start !== undefined ) ? start : new Vector3(); + this.end = ( end !== undefined ) ? end : new Vector3(); + +} + +Line3.prototype = { + + constructor: Line3, + + 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 ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return result.addVectors( this.start, this.end ).multiplyScalar( 0.5 ); + + }, + + delta: function ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return result.subVectors( this.end, this.start ); + + }, + + distanceSq: function () { + + return this.start.distanceToSquared( this.end ); + + }, + + distance: function () { + + return this.start.distanceTo( this.end ); + + }, + + at: function ( t, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + return this.delta( result ).multiplyScalar( t ).add( this.start ); + + }, + + closestPointToPointParameter: function () { + + var startP = new Vector3(); + var startEnd = new Vector3(); + + return function closestPointToPointParameter( 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 = _Math.clamp( t, 0, 1 ); + + } + + return t; + + }; + + }(), + + closestPointToPoint: function ( point, clampToLine, optionalTarget ) { + + var t = this.closestPointToPointParameter( point, clampToLine ); + + var result = optionalTarget || new Vector3(); + + return this.delta( result ).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 bhouston / http://clara.io + * @author mrdoob / http://mrdoob.com/ + */ + +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(); + +} + +Triangle.normal = function () { + + var v0 = new Vector3(); + + return function normal( a, b, c, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + result.subVectors( c, b ); + v0.subVectors( a, b ); + result.cross( v0 ); + + var resultLengthSq = result.lengthSq(); + if ( resultLengthSq > 0 ) { + + return result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) ); + + } + + return result.set( 0, 0, 0 ); + + }; + +}(); + +// static/instance method to calculate barycentric coordinates +// based on: http://www.blackpawn.com/texts/pointinpoly/default.html +Triangle.barycoordFromPoint = function () { + + var v0 = new Vector3(); + var v1 = new Vector3(); + var v2 = new Vector3(); + + return function barycoordFromPoint( point, a, b, c, optionalTarget ) { + + v0.subVectors( c, a ); + v1.subVectors( b, a ); + v2.subVectors( point, a ); + + 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 denom = ( dot00 * dot11 - dot01 * dot01 ); + + var result = optionalTarget || 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 result.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 result.set( 1 - u - v, v, u ); + + }; + +}(); + +Triangle.containsPoint = function () { + + var v1 = new Vector3(); + + return function containsPoint( point, a, b, c ) { + + var result = Triangle.barycoordFromPoint( point, a, b, c, v1 ); + + return ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 ); + + }; + +}(); + +Triangle.prototype = { + + constructor: Triangle, + + 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; + + }, + + area: function () { + + var v0 = new Vector3(); + var v1 = new Vector3(); + + return function area() { + + v0.subVectors( this.c, this.b ); + v1.subVectors( this.a, this.b ); + + return v0.cross( v1 ).length() * 0.5; + + }; + + }(), + + midpoint: function ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 ); + + }, + + normal: function ( optionalTarget ) { + + return Triangle.normal( this.a, this.b, this.c, optionalTarget ); + + }, + + plane: function ( optionalTarget ) { + + var result = optionalTarget || new Plane(); + + return result.setFromCoplanarPoints( this.a, this.b, this.c ); + + }, + + barycoordFromPoint: function ( point, optionalTarget ) { + + return Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget ); + + }, + + containsPoint: function ( point ) { + + return Triangle.containsPoint( point, this.a, this.b, this.c ); + + }, + + closestPointToPoint: function () { + + var plane, edgeList, projectedPoint, closestPoint; + + return function closestPointToPoint( point, optionalTarget ) { + + if ( plane === undefined ) { + + plane = new Plane(); + edgeList = [ new Line3(), new Line3(), new Line3() ]; + projectedPoint = new Vector3(); + closestPoint = new Vector3(); + + } + + var result = optionalTarget || new Vector3(); + var minDistance = Infinity; + + // project the point onto the plane of the triangle + + plane.setFromCoplanarPoints( this.a, this.b, this.c ); + plane.projectPoint( point, projectedPoint ); + + // check if the projection lies within the triangle + + if( this.containsPoint( projectedPoint ) === true ) { + + // if so, this is the closest point + + result.copy( projectedPoint ); + + } else { + + // if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices + + edgeList[ 0 ].set( this.a, this.b ); + edgeList[ 1 ].set( this.b, this.c ); + edgeList[ 2 ].set( this.c, this.a ); + + for( var i = 0; i < edgeList.length; i ++ ) { + + edgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint ); + + var distance = projectedPoint.distanceToSquared( closestPoint ); + + if( distance < minDistance ) { + + minDistance = distance; + + result.copy( closestPoint ); + + } + + } + + } + + return result; + + }; + + }(), + + equals: function ( triangle ) { + + return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c ); + + } + +}; + +/** + * @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; + +} + +Face3.prototype = { + + constructor: Face3, + + 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/ + * + * 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.TextureCube( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * shading: THREE.SmoothShading, + * 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.lights = 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/ + */ + +function BufferAttribute( array, itemSize, normalized ) { + + if ( Array.isArray( array ) ) { + + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + + } + + this.uuid = _Math.generateUUID(); + + this.array = array; + this.itemSize = itemSize; + this.count = array !== undefined ? array.length / itemSize : 0; + this.normalized = normalized === true; + + this.dynamic = false; + this.updateRange = { offset: 0, count: - 1 }; + + this.onUploadCallback = function () {}; + + this.version = 0; + +} + +BufferAttribute.prototype = { + + constructor: BufferAttribute, + + isBufferAttribute: true, + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + }, + + setArray: function ( array ) { + + if ( Array.isArray( array ) ) { + + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + + } + + this.count = array !== undefined ? array.length / this.itemSize : 0; + this.array = array; + + }, + + setDynamic: function ( value ) { + + this.dynamic = value; + + return this; + + }, + + copy: function ( source ) { + + this.array = new source.array.constructor( source.array ); + this.itemSize = source.itemSize; + this.count = source.count; + this.normalized = source.normalized; + + this.dynamic = source.dynamic; + + 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; + + }, + + copyIndicesArray: function ( indices ) { + + var array = this.array, offset = 0; + + for ( var i = 0, l = indices.length; i < l; i ++ ) { + + var index = indices[ i ]; + + array[ offset ++ ] = index.a; + array[ offset ++ ] = index.b; + array[ offset ++ ] = index.c; + + } + + 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; + + }, + + 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 ); + + } + +}; + +function Uint16BufferAttribute( array, itemSize ) { + + BufferAttribute.call( this, new Uint16Array( array ), itemSize ); + +} + +Uint16BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Uint16BufferAttribute.prototype.constructor = Uint16BufferAttribute; + + +function Uint32BufferAttribute( array, itemSize ) { + + BufferAttribute.call( this, new Uint32Array( array ), itemSize ); + +} + +Uint32BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Uint32BufferAttribute.prototype.constructor = Uint32BufferAttribute; + + +function Float32BufferAttribute( array, itemSize ) { + + BufferAttribute.call( this, new Float32Array( array ), itemSize ); + +} + +Float32BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); +Float32BufferAttribute.prototype.constructor = Float32BufferAttribute; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function DirectGeometry() { + + this.indices = []; + 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 ] = []; + + } + + 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 ] = []; + + } + + 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; + + // + + 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 ].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 ].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; + + return this; + + } + +} ); + +// http://stackoverflow.com/questions/1669190/javascript-min-max-array-values/13440842#13440842 + +function arrayMax( array ) { + + var length = array.length, max = - Infinity; + + while ( length -- ) { + + if ( array[ length ] > max ) { + + max = array[ length ]; + + } + + } + + return max; + +} + +/** + * @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 count = 0; +function GeometryIdCount() { return count++; } + +function Geometry() { + + Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); + + this.uuid = _Math.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 = { + + constructor: Geometry, + + isGeometry: true, + + applyMatrix: 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 () { + + // rotate geometry around world x-axis + + var m1; + + return function rotateX( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationX( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + rotateY: function () { + + // rotate geometry around world y-axis + + var m1; + + return function rotateY( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationY( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + rotateZ: function () { + + // rotate geometry around world z-axis + + var m1; + + return function rotateZ( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationZ( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + translate: function () { + + // translate geometry + + var m1; + + return function translate( x, y, z ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeTranslation( x, y, z ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + scale: function () { + + // scale geometry + + var m1; + + return function scale( x, y, z ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeScale( x, y, z ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + lookAt: function () { + + var obj; + + return function lookAt( vector ) { + + if ( obj === undefined ) obj = new Object3D(); + + obj.lookAt( vector ); + + obj.updateMatrix(); + + this.applyMatrix( obj.matrix ); + + }; + + }(), + + fromBufferGeometry: function ( geometry ) { + + var scope = this; + + var indices = geometry.index !== null ? geometry.index.array : undefined; + var attributes = geometry.attributes; + + 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 ] = []; + + var tempNormals = []; + var tempUVs = []; + var tempUVs2 = []; + + for ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) { + + scope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) ); + + if ( normals !== undefined ) { + + tempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) ); + + } + + if ( colors !== undefined ) { + + scope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) ); + + } + + if ( uvs !== undefined ) { + + tempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) ); + + } + + if ( uvs2 !== undefined ) { + + tempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) ); + + } + + } + + function addFace( a, b, c, materialIndex ) { + + var vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : []; + var vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : []; + + var face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex ); + + scope.faces.push( face ); + + if ( uvs !== undefined ) { + + scope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] ); + + } + + if ( uvs2 !== undefined ) { + + scope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] ); + + } + + } + + if ( indices !== undefined ) { + + 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 ) { + + addFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex ); + + } + + } + + } else { + + 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(); + + var offset = this.boundingBox.getCenter().negate(); + + this.translate( offset.x, offset.y, offset.z ); + + return offset; + + }, + + 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.applyMatrix( 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; + + } + + }, + + computeLineDistances: function () { + + var d = 0; + var vertices = this.vertices; + + for ( var i = 0, il = vertices.length; i < il; i ++ ) { + + if ( i > 0 ) { + + d += vertices[ i ].distanceTo( vertices[ i - 1 ] ); + + } + + this.lineDistances[ i ] = d; + + } + + }, + + 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 ) === false ) { + + 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, + uvs1 = this.faceVertexUvs[ 0 ], + uvs2 = geometry.faceVertexUvs[ 0 ], + 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 ( i = 0, il = uvs2.length; i < il; i ++ ) { + + var uv = uvs2[ i ], uvCopy = []; + + if ( uv === undefined ) { + + continue; + + } + + for ( var j = 0, jl = uv.length; j < jl; j ++ ) { + + uvCopy.push( uv[ j ].clone() ); + + } + + uvs1.push( uvCopy ); + + } + + }, + + mergeMesh: function ( mesh ) { + + if ( ( mesh && mesh.isMesh ) === false ) { + + console.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh ); + return; + + } + + 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; + + }, + + 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: 4.4, + 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' } ); + + } + +}; + +Object.assign( Geometry.prototype, EventDispatcher.prototype ); + +/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + +function BufferGeometry() { + + Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); + + this.uuid = _Math.generateUUID(); + + this.name = ''; + this.type = 'BufferGeometry'; + + this.index = null; + this.attributes = {}; + + this.morphAttributes = {}; + + this.groups = []; + + this.boundingBox = null; + this.boundingSphere = null; + + this.drawRange = { start: 0, count: Infinity }; + +} + +BufferGeometry.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; + + } + + }, + + addAttribute: function ( name, attribute ) { + + if ( ( attribute && attribute.isBufferAttribute ) === false && ( attribute && attribute.isInterleavedBufferAttribute ) === false ) { + + console.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' ); + + this.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) ); + + return; + + } + + if ( name === 'index' ) { + + console.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' ); + this.setIndex( attribute ); + + return; + + } + + this.attributes[ name ] = attribute; + + return this; + + }, + + getAttribute: function ( name ) { + + return this.attributes[ name ]; + + }, + + removeAttribute: 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; + + }, + + applyMatrix: function ( matrix ) { + + var position = this.attributes.position; + + if ( position !== undefined ) { + + matrix.applyToBufferAttribute( position ); + position.needsUpdate = true; + + } + + var normal = this.attributes.normal; + + if ( normal !== undefined ) { + + var normalMatrix = new Matrix3().getNormalMatrix( matrix ); + + normalMatrix.applyToBufferAttribute( normal ); + normal.needsUpdate = true; + + } + + if ( this.boundingBox !== null ) { + + this.computeBoundingBox(); + + } + + if ( this.boundingSphere !== null ) { + + this.computeBoundingSphere(); + + } + + return this; + + }, + + rotateX: function () { + + // rotate geometry around world x-axis + + var m1; + + return function rotateX( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationX( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + rotateY: function () { + + // rotate geometry around world y-axis + + var m1; + + return function rotateY( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationY( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + rotateZ: function () { + + // rotate geometry around world z-axis + + var m1; + + return function rotateZ( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationZ( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + translate: function () { + + // translate geometry + + var m1; + + return function translate( x, y, z ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeTranslation( x, y, z ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + scale: function () { + + // scale geometry + + var m1; + + return function scale( x, y, z ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeScale( x, y, z ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + lookAt: function () { + + var obj; + + return function lookAt( vector ) { + + if ( obj === undefined ) obj = new Object3D(); + + obj.lookAt( vector ); + + obj.updateMatrix(); + + this.applyMatrix( obj.matrix ); + + }; + + }(), + + center: function () { + + this.computeBoundingBox(); + + var offset = this.boundingBox.getCenter().negate(); + + this.translate( offset.x, offset.y, offset.z ); + + return offset; + + }, + + 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.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) ); + this.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) ); + + if ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) { + + var lineDistances = new Float32BufferAttribute( geometry.lineDistances.length, 1 ); + + this.addAttribute( '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; + + }, + + 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.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) ); + + if ( geometry.normals.length > 0 ) { + + var normals = new Float32Array( geometry.normals.length * 3 ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) ); + + } + + if ( geometry.colors.length > 0 ) { + + var colors = new Float32Array( geometry.colors.length * 3 ); + this.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) ); + + } + + if ( geometry.uvs.length > 0 ) { + + var uvs = new Float32Array( geometry.uvs.length * 2 ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) ); + + } + + if ( geometry.uvs2.length > 0 ) { + + var uvs2 = new Float32Array( geometry.uvs2.length * 2 ); + this.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) ); + + } + + if ( geometry.indices.length > 0 ) { + + var TypeArray = arrayMax( geometry.indices ) > 65535 ? Uint32Array : Uint16Array; + var indices = new TypeArray( geometry.indices.length * 3 ); + this.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) ); + + } + + // 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.length * 3, 3 ); + + array.push( attribute.copyVector3sArray( morphTarget ) ); + + } + + this.morphAttributes[ name ] = array; + + } + + // skinning + + if ( geometry.skinIndices.length > 0 ) { + + var skinIndices = new Float32BufferAttribute( geometry.skinIndices.length * 4, 4 ); + this.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) ); + + } + + if ( geometry.skinWeights.length > 0 ) { + + var skinWeights = new Float32BufferAttribute( geometry.skinWeights.length * 4, 4 ); + this.addAttribute( '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; + + if ( position !== undefined ) { + + this.boundingBox.setFromBufferAttribute( position ); + + } 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 () { + + var box = new Box3(); + var vector = new Vector3(); + + return function computeBoundingSphere() { + + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + var position = this.attributes.position; + + if ( position ) { + + var center = this.boundingSphere.center; + + box.setFromBufferAttribute( position ); + box.getCenter( center ); + + // hoping 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.x = position.getX( i ); + vector.y = position.getY( i ); + vector.z = position.getZ( i ); + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) ); + + } + + 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; + var groups = this.groups; + + if ( attributes.position ) { + + var positions = attributes.position.array; + + if ( attributes.normal === undefined ) { + + this.addAttribute( '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; + + if ( groups.length === 0 ) { + + this.addGroup( 0, indices.length ); + + } + + for ( var j = 0, jl = groups.length; j < jl; ++ j ) { + + var group = groups[ j ]; + + var start = group.start; + var count = group.count; + + for ( var i = start, il = start + 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 ) === false ) { + + console.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry ); + return; + + } + + if ( offset === undefined ) offset = 0; + + 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 attributeSize = attribute2.itemSize; + + for ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) { + + attributeArray1[ j ] = attributeArray2[ i ]; + + } + + } + + return this; + + }, + + normalizeNormals: function () { + + var normals = this.attributes.normal.array; + + var x, y, z, n; + + for ( var i = 0, il = normals.length; i < il; i += 3 ) { + + x = normals[ i ]; + y = normals[ i + 1 ]; + z = normals[ i + 2 ]; + + n = 1.0 / Math.sqrt( x * x + y * y + z * z ); + + normals[ i ] *= n; + normals[ i + 1 ] *= n; + normals[ i + 2 ] *= n; + + } + + }, + + toNonIndexed: function () { + + 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; + + for ( var name in attributes ) { + + var attribute = attributes[ name ]; + + 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 ++ ]; + + } + + } + + geometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) ); + + } + + return geometry2; + + }, + + toJSON: function () { + + var data = { + metadata: { + version: 4.4, + type: 'BufferGeometry', + generator: 'BufferGeometry.toJSON' + } + }; + + // standard BufferGeometry 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; + + } + + data.data = { attributes: {} }; + + var index = this.index; + + if ( index !== null ) { + + var array = Array.prototype.slice.call( index.array ); + + data.data.index = { + type: index.array.constructor.name, + array: array + }; + + } + + var attributes = this.attributes; + + for ( var key in attributes ) { + + var attribute = attributes[ key ]; + + var array = Array.prototype.slice.call( attribute.array ); + + data.data.attributes[ key ] = { + itemSize: attribute.itemSize, + type: attribute.array.constructor.name, + array: array, + normalized: attribute.normalized + }; + + } + + 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.addAttribute( 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; + + } + + // 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; + + return this; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +}; + +BufferGeometry.MaxIndex = 65535; + +Object.assign( BufferGeometry.prototype, EventDispatcher.prototype ); + +/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author jonobr1 / http://jonobr1.com/ + */ + +function Mesh( geometry, material ) { + + Object3D.call( this ); + + this.type = 'Mesh'; + + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } ); + + this.drawMode = TrianglesDrawMode; + + this.updateMorphTargets(); + +} + +Mesh.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Mesh, + + isMesh: true, + + setDrawMode: function ( value ) { + + this.drawMode = value; + + }, + + copy: function ( source ) { + + Object3D.prototype.copy.call( this, source ); + + this.drawMode = source.drawMode; + + return this; + + }, + + updateMorphTargets: function () { + + var morphTargets = this.geometry.morphTargets; + + if ( morphTargets !== undefined && morphTargets.length > 0 ) { + + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + + for ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) { + + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ morphTargets[ m ].name ] = m; + + } + + } + + }, + + raycast: ( function () { + + 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 uvA = new Vector2(); + var uvB = new Vector2(); + var uvC = new Vector2(); + + var barycoord = new Vector3(); + + var intersectionPoint = new Vector3(); + var intersectionPointWorld = new Vector3(); + + function uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) { + + Triangle.barycoordFromPoint( point, p1, p2, p3, barycoord ); + + uv1.multiplyScalar( barycoord.x ); + uv2.multiplyScalar( barycoord.y ); + uv3.multiplyScalar( barycoord.z ); + + uv1.add( uv2 ).add( uv3 ); + + return uv1.clone(); + + } + + function checkIntersection( object, raycaster, ray, pA, pB, pC, point ) { + + var intersect; + var material = object.material; + + 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, raycaster, ray, position, uv, a, b, c ) { + + vA.fromBufferAttribute( position, a ); + vB.fromBufferAttribute( position, b ); + vC.fromBufferAttribute( position, c ); + + var intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint ); + + if ( intersection ) { + + if ( uv ) { + + uvA.fromBufferAttribute( uv, a ); + uvB.fromBufferAttribute( uv, b ); + uvC.fromBufferAttribute( uv, c ); + + intersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC ); + + } + + intersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) ); + intersection.faceIndex = a; + + } + + return intersection; + + } + + return function raycast( 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 uv = geometry.attributes.uv; + var i, l; + + if ( index !== null ) { + + // indexed buffer geometry + + for ( i = 0, l = index.count; i < l; i += 3 ) { + + a = index.getX( i ); + b = index.getX( i + 1 ); + c = index.getX( i + 2 ); + + intersection = checkBufferGeometryIntersection( this, raycaster, ray, position, uv, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics + intersects.push( intersection ); + + } + + } + + } else { + + // non-indexed buffer geometry + + for ( i = 0, l = position.count; i < l; i += 3 ) { + + a = i; + b = i + 1; + c = i + 2; + + intersection = checkBufferGeometryIntersection( this, raycaster, ray, position, uv, a, b, c ); + + if ( intersection ) { + + intersection.index = a; // triangle number in positions buffer semantics + intersects.push( intersection ); + + } + + } + + } + + } else if ( geometry.isGeometry ) { + + var fvA, fvB, fvC; + var isFaceMaterial = ( material && material.isMultiMaterial ); + var materials = isFaceMaterial === true ? material.materials : null; + + 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 = isFaceMaterial === true ? materials[ face.materialIndex ] : material; + + if ( faceMaterial === undefined ) continue; + + fvA = vertices[ face.a ]; + fvB = vertices[ face.b ]; + fvC = vertices[ face.c ]; + + if ( faceMaterial.morphTargets === true ) { + + var morphTargets = geometry.morphTargets; + var morphInfluences = this.morphTargetInfluences; + + vA.set( 0, 0, 0 ); + vB.set( 0, 0, 0 ); + vC.set( 0, 0, 0 ); + + for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) { + + var influence = morphInfluences[ t ]; + + if ( influence === 0 ) continue; + + var targets = morphTargets[ t ].vertices; + + vA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence ); + vB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence ); + vC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence ); + + } + + vA.add( fvA ); + vB.add( fvB ); + vC.add( fvC ); + + fvA = vA; + fvB = vB; + fvC = vC; + + } + + intersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint ); + + if ( intersection ) { + + if ( uvs ) { + + var uvs_f = uvs[ f ]; + uvA.copy( uvs_f[ 0 ] ); + uvB.copy( uvs_f[ 1 ] ); + uvC.copy( uvs_f[ 2 ] ); + + intersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC ); + + } + + intersection.face = face; + intersection.faceIndex = f; + intersects.push( intersection ); + + } + + } + + } + + }; + + }() ), + + clone: function () { + + return new this.constructor( this.geometry, this.material ).copy( this ); + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as + */ + +/** + * @author Mugen87 / https://github.com/Mugen87 + */ + +function BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { + + BufferGeometry.call( this ); + + this.type = 'BoxBufferGeometry'; + + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; + + var scope = this; + + // 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.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.addAttribute( '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; + + } + +} + +BoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +BoxBufferGeometry.prototype.constructor = BoxBufferGeometry; + +/** + * @author mrdoob / http://mrdoob.com/ + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as + */ + +/** + * @author mrdoob / http://mrdoob.com/ + * @author Mugen87 / https://github.com/Mugen87 + * + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as + */ + +function PlaneBufferGeometry( width, height, widthSegments, heightSegments ) { + + BufferGeometry.call( this ); + + this.type = 'PlaneBufferGeometry'; + + this.parameters = { + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments + }; + + 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.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + +} + +PlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +PlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry; + +/** + * @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(); + +} + +Camera.prototype = Object.create( Object3D.prototype ); +Camera.prototype.constructor = Camera; + +Camera.prototype.isCamera = true; + +Camera.prototype.getWorldDirection = function () { + + var quaternion = new Quaternion(); + + return function getWorldDirection( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + this.getWorldQuaternion( quaternion ); + + return result.set( 0, 0, - 1 ).applyQuaternion( quaternion ); + + }; + +}(); + +Camera.prototype.lookAt = function () { + + // This routine does not support cameras with rotated and/or translated parent(s) + + var m1 = new Matrix4(); + + return function lookAt( vector ) { + + m1.lookAt( this.position, vector, this.up ); + + this.quaternion.setFromRotationMatrix( m1 ); + + }; + +}(); + +Camera.prototype.clone = function () { + + return new this.constructor().copy( this ); + +}; + +Camera.prototype.copy = function ( source ) { + + Object3D.prototype.copy.call( this, source ); + + this.matrixWorldInverse.copy( source.matrixWorldInverse ); + this.projectionMatrix.copy( source.projectionMatrix ); + + return 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 ) { + + Camera.prototype.copy.call( this, source ); + + 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 = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope ); + this.updateProjectionMatrix(); + + }, + + /** + * Calculates the focal length from the current .fov and .filmGauge. + */ + getFocalLength: function () { + + var vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov ); + + return 0.5 * this.getFilmHeight() / vExtentSlope; + + }, + + getEffectiveFOV: function () { + + return _Math.RAD2DEG * 2 * Math.atan( + Math.tan( _Math.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.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); + * --B-- + * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); + * --C-- + * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); + * --D-- + * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); + * --E-- + * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); + * --F-- + * camera.setOffset( 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; + + this.view = { + fullWidth: fullWidth, + fullHeight: fullHeight, + offsetX: x, + offsetY: y, + width: width, + height: height + }; + + this.updateProjectionMatrix(); + + }, + + clearViewOffset: function() { + + this.view = null; + this.updateProjectionMatrix(); + + }, + + updateProjectionMatrix: function () { + + var near = this.near, + top = near * Math.tan( + _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom, + height = 2 * top, + width = this.aspect * height, + left = - 0.5 * width, + view = this.view; + + if ( view !== null ) { + + 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 ); + + }, + + 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; + + } + +} ); + +/** + * @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; + this.right = right; + this.top = top; + this.bottom = bottom; + + 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 ) { + + Camera.prototype.copy.call( this, source ); + + 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 ) { + + this.view = { + fullWidth: fullWidth, + fullHeight: fullHeight, + offsetX: x, + offsetY: y, + width: width, + height: height + }; + + this.updateProjectionMatrix(); + + }, + + clearViewOffset: function() { + + this.view = null; + 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 ) { + + var zoomW = this.zoom / ( this.view.width / this.view.fullWidth ); + var zoomH = this.zoom / ( this.view.height / this.view.fullHeight ); + var scaleW = ( this.right - this.left ) / this.view.width; + var scaleH = ( this.top - this.bottom ) / this.view.height; + + left += scaleW * ( this.view.offsetX / zoomW ); + right = left + scaleW * ( this.view.width / zoomW ); + top -= scaleH * ( this.view.offsetY / zoomH ); + bottom = top - scaleH * ( this.view.height / zoomH ); + + } + + this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far ); + + }, + + 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 WebGLIndexedBufferRenderer( gl, extensions, infoRender ) { + + var mode; + + function setMode( value ) { + + mode = value; + + } + + var type, size; + + function setIndex( index ) { + + if ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) { + + type = gl.UNSIGNED_INT; + size = 4; + + } else if ( index.array instanceof Uint16Array ) { + + type = gl.UNSIGNED_SHORT; + size = 2; + + } else { + + type = gl.UNSIGNED_BYTE; + size = 1; + + } + + } + + function render( start, count ) { + + gl.drawElements( mode, count, type, start * size ); + + infoRender.calls ++; + infoRender.vertices += count; + + if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; + + } + + function renderInstances( geometry, start, count ) { + + var extension = extensions.get( 'ANGLE_instanced_arrays' ); + + if ( extension === null ) { + + console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; + + } + + extension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount ); + + infoRender.calls ++; + infoRender.vertices += count * geometry.maxInstancedCount; + + if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; + + } + + return { + + setMode: setMode, + setIndex: setIndex, + render: render, + renderInstances: renderInstances + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLBufferRenderer( gl, extensions, infoRender ) { + + var mode; + + function setMode( value ) { + + mode = value; + + } + + function render( start, count ) { + + gl.drawArrays( mode, start, count ); + + infoRender.calls ++; + infoRender.vertices += count; + + if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; + + } + + function renderInstances( geometry ) { + + var extension = extensions.get( 'ANGLE_instanced_arrays' ); + + if ( extension === null ) { + + console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; + + } + + var position = geometry.attributes.position; + + var count = 0; + + if ( position.isInterleavedBufferAttribute ) { + + count = position.data.count; + + extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); + + } else { + + count = position.count; + + extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); + + } + + infoRender.calls ++; + infoRender.vertices += count * geometry.maxInstancedCount; + + if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; + + } + + return { + setMode: setMode, + render: render, + renderInstances: renderInstances + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLLights() { + + 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(), + + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + + case 'SpotLight': + uniforms = { + position: new Vector3(), + direction: new Vector3(), + color: new Color(), + distance: 0, + coneCos: 0, + penumbraCos: 0, + decay: 0, + + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + + case 'PointLight': + uniforms = { + position: new Vector3(), + color: new Color(), + distance: 0, + decay: 0, + + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + 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() + // TODO (abelnation): set RectAreaLight shadow uniforms + }; + break; + + } + + lights[ light.id ] = uniforms; + + return uniforms; + + } + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +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 WebGLShader( gl, type, string ) { + + var shader = gl.createShader( type ); + + gl.shaderSource( shader, string ); + gl.compileShader( shader ); + + if ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) { + + console.error( 'THREE.WebGLShader: Shader couldn\'t compile.' ); + + } + + if ( gl.getShaderInfoLog( shader ) !== '' ) { + + console.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) ); + + } + + // --enable-privileged-webgl-extension + // console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) ); + + return shader; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +var programIdCount = 0; + +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 ) )' ]; + default: + throw new Error( 'unsupported encoding: ' + encoding ); + + } + +} + +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; + + default: + throw new Error( 'unsupported toneMapping: ' + toneMapping ); + + } + + return "vec3 " + functionName + "( vec3 color ) { return " + toneMappingName + "ToneMapping( color ); }"; + +} + +function generateExtensions( extensions, parameters, rendererExtensions ) { + + extensions = extensions || {}; + + var chunks = [ + ( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '', + ( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '', + ( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '', + ( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#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, identifiers ) { + + var attributes = {}; + + var n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES ); + + 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 ); + +} + +function parseIncludes( string ) { + + var pattern = /#include +<([\w\d.]+)>/g; + + function replace( match, include ) { + + var replace = ShaderChunk[ include ]; + + if ( replace === undefined ) { + + throw new Error( 'Can not resolve #include <' + include + '>' ); + + } + + return parseIncludes( replace ); + + } + + return string.replace( pattern, replace ); + +} + +function unrollLoops( string ) { + + var pattern = /for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g; + + function replace( match, start, end, snippet ) { + + var unroll = ''; + + for ( var i = parseInt( start ); i < parseInt( end ); i ++ ) { + + unroll += snippet.replace( /\[ i \]/g, '[ ' + i + ' ]' ); + + } + + return unroll; + + } + + return string.replace( pattern, replace ); + +} + +function WebGLProgram( renderer, code, material, parameters ) { + + var gl = renderer.context; + + var extensions = material.extensions; + var defines = material.defines; + + var vertexShader = material.__webglShader.vertexShader; + var fragmentShader = material.__webglShader.fragmentShader; + + var shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC'; + + if ( parameters.shadowMapType === PCFShadowMap ) { + + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF'; + + } else if ( parameters.shadowMapType === PCFSoftShadowMap ) { + + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT'; + + } + + var envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + var envMapModeDefine = 'ENVMAP_MODE_REFLECTION'; + var envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; + + if ( parameters.envMap ) { + + switch ( material.envMap.mapping ) { + + 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; + + } + + switch ( material.envMap.mapping ) { + + case CubeRefractionMapping: + case EquirectangularRefractionMapping: + envMapModeDefine = 'ENVMAP_MODE_REFRACTION'; + break; + + } + + switch ( material.combine ) { + + case MultiplyOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; + break; + + case MixOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MIX'; + break; + + case AddOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_ADD'; + break; + + } + + } + + var gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0; + + // console.log( 'building new program ' ); + + // + + var customExtensions = generateExtensions( extensions, parameters, renderer.extensions ); + + var customDefines = generateDefines( defines ); + + // + + var program = gl.createProgram(); + + var prefixVertex, prefixFragment; + + if ( material.isRawShaderMaterial ) { + + prefixVertex = [ + + customDefines, + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); + + prefixFragment = [ + + customExtensions, + customDefines, + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); + + } else { + + prefixVertex = [ + + + 'precision ' + parameters.precision + ' float;', + 'precision ' + parameters.precision + ' int;', + + '#define SHADER_NAME ' + material.__webglShader.name, + + customDefines, + + parameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '', + + '#define GAMMA_FACTOR ' + gammaFactorDefine, + + '#define MAX_BONES ' + parameters.maxBones, + ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', + ( parameters.useFog && parameters.fogExp ) ? '#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.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.vertexColors ? '#define USE_COLOR' : '', + + 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' : '', + + '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, + + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + + parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '', + + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + parameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + + 'uniform mat4 modelMatrix;', + 'uniform mat4 modelViewMatrix;', + 'uniform mat4 projectionMatrix;', + 'uniform mat4 viewMatrix;', + 'uniform mat3 normalMatrix;', + 'uniform vec3 cameraPosition;', + + 'attribute vec3 position;', + 'attribute vec3 normal;', + 'attribute vec2 uv;', + + '#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, + + 'precision ' + parameters.precision + ' float;', + 'precision ' + parameters.precision + ' int;', + + '#define SHADER_NAME ' + material.__webglShader.name, + + customDefines, + + parameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '', + + '#define GAMMA_FACTOR ' + gammaFactorDefine, + + ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', + ( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '', + + parameters.map ? '#define USE_MAP' : '', + 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.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + parameters.vertexColors ? '#define USE_COLOR' : '', + + parameters.gradientMap ? '#define USE_GRADIENTMAP' : '', + + parameters.flatShading ? '#define FLAT_SHADED' : '', + + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', + + '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, + '#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection), + + 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 && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + + parameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '', + + 'uniform mat4 viewMatrix;', + 'uniform vec3 cameraPosition;', + + ( 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.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? 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.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '', + parameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '', + parameters.outputEncoding ? getTexelEncodingFunction( "linearToOutputTexel", parameters.outputEncoding ) : '', + + parameters.depthPacking ? "#define DEPTH_PACKING " + material.depthPacking : '', + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); + + } + + vertexShader = parseIncludes( vertexShader, parameters ); + vertexShader = replaceLightNums( vertexShader, parameters ); + + fragmentShader = parseIncludes( fragmentShader, parameters ); + fragmentShader = replaceLightNums( fragmentShader, parameters ); + + if ( ! material.isShaderMaterial ) { + + vertexShader = unrollLoops( vertexShader ); + fragmentShader = unrollLoops( fragmentShader ); + + } + + var vertexGlsl = prefixVertex + vertexShader; + var fragmentGlsl = prefixFragment + fragmentShader; + + // console.log( '*VERTEX*', vertexGlsl ); + // console.log( '*FRAGMENT*', fragmentGlsl ); + + var glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl ); + var glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl ); + + gl.attachShader( program, glVertexShader ); + gl.attachShader( program, glFragmentShader ); + + // Force a particular attribute to index 0. + + if ( material.index0AttributeName !== undefined ) { + + gl.bindAttribLocation( program, 0, material.index0AttributeName ); + + } else if ( parameters.morphTargets === true ) { + + // programs with morphTargets displace position out of attribute 0 + gl.bindAttribLocation( program, 0, 'position' ); + + } + + gl.linkProgram( program ); + + var programLog = gl.getProgramInfoLog( program ); + var vertexLog = gl.getShaderInfoLog( glVertexShader ); + var fragmentLog = gl.getShaderInfoLog( glFragmentShader ); + + var runnable = true; + var haveDiagnostics = true; + + // console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) ); + // console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) ); + + if ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) { + + runnable = false; + + console.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog ); + + } else if ( programLog !== '' ) { + + console.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog ); + + } else if ( vertexLog === '' || fragmentLog === '' ) { + + haveDiagnostics = false; + + } + + if ( haveDiagnostics ) { + + this.diagnostics = { + + runnable: runnable, + material: material, + + programLog: programLog, + + vertexShader: { + + log: vertexLog, + prefix: prefixVertex + + }, + + fragmentShader: { + + log: fragmentLog, + prefix: prefixFragment + + } + + }; + + } + + // clean up + + 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, renderer ); + + } + + 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; + + }; + + // DEPRECATED + + Object.defineProperties( this, { + + uniforms: { + get: function() { + + console.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' ); + return this.getUniforms(); + + } + }, + + attributes: { + get: function() { + + console.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' ); + return this.getAttributes(); + + } + } + + } ); + + + // + + this.id = programIdCount ++; + this.code = code; + this.usedTimes = 1; + this.program = program; + this.vertexShader = glVertexShader; + this.fragmentShader = glFragmentShader; + + return this; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLPrograms( renderer, capabilities ) { + + var programs = []; + + var shaderIDs = { + MeshDepthMaterial: 'depth', + MeshNormalMaterial: 'normal', + MeshBasicMaterial: 'basic', + MeshLambertMaterial: 'lambert', + MeshPhongMaterial: 'phong', + MeshToonMaterial: 'phong', + MeshStandardMaterial: 'physical', + MeshPhysicalMaterial: 'physical', + LineBasicMaterial: 'basic', + LineDashedMaterial: 'dashed', + PointsMaterial: 'points' + }; + + var parameterNames = [ + "precision", "supportsVertexTextures", "map", "mapEncoding", "envMap", "envMapMode", "envMapEncoding", + "lightMap", "aoMap", "emissiveMap", "emissiveMapEncoding", "bumpMap", "normalMap", "displacementMap", "specularMap", + "roughnessMap", "metalnessMap", "gradientMap", + "alphaMap", "combine", "vertexColors", "fog", "useFog", "fogExp", + "flatShading", "sizeAttenuation", "logarithmicDepthBuffer", "skinning", + "maxBones", "useVertexTexture", "morphTargets", "morphNormals", + "maxMorphTargets", "maxMorphNormals", "premultipliedAlpha", + "numDirLights", "numPointLights", "numSpotLights", "numHemiLights", "numRectAreaLights", + "shadowMapEnabled", "shadowMapType", "toneMapping", 'physicallyCorrectLights', + "alphaTest", "doubleSided", "flipSided", "numClippingPlanes", "numClipIntersection", "depthPacking" + ]; + + + function allocateBones( object ) { + + if ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) { + + 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 = capabilities.maxVertexUniforms; + var nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 ); + + var maxBones = nVertexMatrices; + + if ( object !== undefined && (object && object.isSkinnedMesh) ) { + + maxBones = Math.min( object.skeleton.bones.length, maxBones ); + + if ( maxBones < object.skeleton.bones.length ) { + + console.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' ); + + } + + } + + return maxBones; + + } + + } + + function getTextureEncodingFromMap( map, gammaOverrideLinear ) { + + 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; + + } + + // add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point. + if ( encoding === LinearEncoding && gammaOverrideLinear ) { + + encoding = GammaEncoding; + + } + + return encoding; + + } + + this.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) { + + var shaderID = shaderIDs[ material.type ]; + + // heuristics to create shader parameters according to lights in the scene + // (not to blow over maxLights budget) + + var maxBones = allocateBones( object ); + var precision = renderer.getPrecision(); + + 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 currentRenderTarget = renderer.getCurrentRenderTarget(); + + var parameters = { + + shaderID: shaderID, + + precision: precision, + supportsVertexTextures: capabilities.vertexTextures, + outputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ), + map: !! material.map, + mapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ), + envMap: !! material.envMap, + envMapMode: material.envMap && material.envMap.mapping, + envMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ), + envMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ), + lightMap: !! material.lightMap, + aoMap: !! material.aoMap, + emissiveMap: !! material.emissiveMap, + emissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ), + bumpMap: !! material.bumpMap, + normalMap: !! material.normalMap, + displacementMap: !! material.displacementMap, + roughnessMap: !! material.roughnessMap, + metalnessMap: !! material.metalnessMap, + specularMap: !! material.specularMap, + alphaMap: !! material.alphaMap, + + gradientMap: !! material.gradientMap, + + combine: material.combine, + + vertexColors: material.vertexColors, + + fog: !! fog, + useFog: material.fog, + fogExp: (fog && fog.isFogExp2), + + flatShading: material.shading === FlatShading, + + sizeAttenuation: material.sizeAttenuation, + logarithmicDepthBuffer: capabilities.logarithmicDepthBuffer, + + skinning: material.skinning, + maxBones: maxBones, + useVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture, + + 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, + + numClippingPlanes: nClipPlanes, + numClipIntersection: nClipIntersection, + + shadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0, + shadowMapType: renderer.shadowMap.type, + + toneMapping: renderer.toneMapping, + physicallyCorrectLights: renderer.physicallyCorrectLights, + + premultipliedAlpha: material.premultipliedAlpha, + + alphaTest: material.alphaTest, + doubleSided: material.side === DoubleSide, + flipSided: material.side === BackSide, + + depthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false + + }; + + return parameters; + + }; + + this.getProgramCode = function ( material, parameters ) { + + var array = []; + + if ( parameters.shaderID ) { + + array.push( parameters.shaderID ); + + } else { + + array.push( material.fragmentShader ); + array.push( material.vertexShader ); + + } + + if ( material.defines !== undefined ) { + + for ( var name in material.defines ) { + + array.push( name ); + array.push( material.defines[ name ] ); + + } + + } + + for ( var i = 0; i < parameterNames.length; i ++ ) { + + array.push( parameters[ parameterNames[ i ] ] ); + + } + + return array.join(); + + }; + + this.acquireProgram = function ( material, parameters, code ) { + + var program; + + // Check if code has been already compiled + for ( var p = 0, pl = programs.length; p < pl; p ++ ) { + + var programInfo = programs[ p ]; + + if ( programInfo.code === code ) { + + program = programInfo; + ++ program.usedTimes; + + break; + + } + + } + + if ( program === undefined ) { + + program = new WebGLProgram( renderer, code, material, 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 mrdoob / http://mrdoob.com/ + */ + +function WebGLGeometries( gl, properties, info ) { + + var geometries = {}; + + function onGeometryDispose( event ) { + + var geometry = event.target; + var buffergeometry = geometries[ geometry.id ]; + + if ( buffergeometry.index !== null ) { + + deleteAttribute( buffergeometry.index ); + + } + + deleteAttributes( buffergeometry.attributes ); + + geometry.removeEventListener( 'dispose', onGeometryDispose ); + + delete geometries[ geometry.id ]; + + // TODO + + var property = properties.get( geometry ); + + if ( property.wireframe ) { + + deleteAttribute( property.wireframe ); + + } + + properties.delete( geometry ); + + var bufferproperty = properties.get( buffergeometry ); + + if ( bufferproperty.wireframe ) { + + deleteAttribute( bufferproperty.wireframe ); + + } + + properties.delete( buffergeometry ); + + // + + info.memory.geometries --; + + } + + function getAttributeBuffer( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) { + + return properties.get( attribute.data ).__webglBuffer; + + } + + return properties.get( attribute ).__webglBuffer; + + } + + function deleteAttribute( attribute ) { + + var buffer = getAttributeBuffer( attribute ); + + if ( buffer !== undefined ) { + + gl.deleteBuffer( buffer ); + removeAttributeBuffer( attribute ); + + } + + } + + function deleteAttributes( attributes ) { + + for ( var name in attributes ) { + + deleteAttribute( attributes[ name ] ); + + } + + } + + function removeAttributeBuffer( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) { + + properties.delete( attribute.data ); + + } else { + + properties.delete( attribute ); + + } + + } + + return { + + get: function ( object ) { + + var geometry = object.geometry; + + if ( geometries[ geometry.id ] !== undefined ) { + + return geometries[ geometry.id ]; + + } + + geometry.addEventListener( 'dispose', onGeometryDispose ); + + var buffergeometry; + + if ( geometry.isBufferGeometry ) { + + buffergeometry = geometry; + + } else if ( geometry.isGeometry ) { + + if ( geometry._bufferGeometry === undefined ) { + + geometry._bufferGeometry = new BufferGeometry().setFromObject( object ); + + } + + buffergeometry = geometry._bufferGeometry; + + } + + geometries[ geometry.id ] = buffergeometry; + + info.memory.geometries ++; + + return buffergeometry; + + } + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLObjects( gl, properties, info ) { + + var geometries = new WebGLGeometries( gl, properties, info ); + + // + + function update( object ) { + + // TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter. + + var geometry = geometries.get( object ); + + if ( object.geometry.isGeometry ) { + + geometry.updateFromObject( object ); + + } + + var index = geometry.index; + var attributes = geometry.attributes; + + if ( index !== null ) { + + updateAttribute( index, gl.ELEMENT_ARRAY_BUFFER ); + + } + + for ( var name in attributes ) { + + updateAttribute( attributes[ name ], gl.ARRAY_BUFFER ); + + } + + // 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 ++ ) { + + updateAttribute( array[ i ], gl.ARRAY_BUFFER ); + + } + + } + + return geometry; + + } + + function updateAttribute( attribute, bufferType ) { + + var data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute; + + var attributeProperties = properties.get( data ); + + if ( attributeProperties.__webglBuffer === undefined ) { + + createBuffer( attributeProperties, data, bufferType ); + + } else if ( attributeProperties.version !== data.version ) { + + updateBuffer( attributeProperties, data, bufferType ); + + } + + } + + function createBuffer( attributeProperties, data, bufferType ) { + + attributeProperties.__webglBuffer = gl.createBuffer(); + gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); + + var usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW; + + gl.bufferData( bufferType, data.array, usage ); + + var type = gl.FLOAT; + var array = data.array; + + if ( array instanceof Float32Array ) { + + type = gl.FLOAT; + + } else if ( array instanceof Float64Array ) { + + console.warn( "Unsupported data buffer format: Float64Array" ); + + } else if ( array instanceof Uint16Array ) { + + type = gl.UNSIGNED_SHORT; + + } else if ( array instanceof Int16Array ) { + + type = gl.SHORT; + + } else if ( array instanceof Uint32Array ) { + + type = gl.UNSIGNED_INT; + + } else if ( array instanceof Int32Array ) { + + type = gl.INT; + + } else if ( array instanceof Int8Array ) { + + type = gl.BYTE; + + } else if ( array instanceof Uint8Array ) { + + type = gl.UNSIGNED_BYTE; + + } + + attributeProperties.bytesPerElement = array.BYTES_PER_ELEMENT; + attributeProperties.type = type; + attributeProperties.version = data.version; + + data.onUploadCallback(); + + } + + function updateBuffer( attributeProperties, data, bufferType ) { + + gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); + + if ( data.dynamic === false ) { + + gl.bufferData( bufferType, data.array, gl.STATIC_DRAW ); + + } else if ( data.updateRange.count === - 1 ) { + + // Not using update ranges + + gl.bufferSubData( bufferType, 0, data.array ); + + } else if ( data.updateRange.count === 0 ) { + + console.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' ); + + } else { + + gl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT, + data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) ); + + data.updateRange.count = 0; // reset range + + } + + attributeProperties.version = data.version; + + } + + function getAttributeBuffer( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) { + + return properties.get( attribute.data ).__webglBuffer; + + } + + return properties.get( attribute ).__webglBuffer; + + } + + function getAttributeProperties( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) { + + return properties.get( attribute.data ); + + } + + return properties.get( attribute ); + + } + + function getWireframeAttribute( geometry ) { + + var property = properties.get( geometry ); + + if ( property.wireframe !== undefined ) { + + return property.wireframe; + + } + + var indices = []; + + var index = geometry.index; + var attributes = geometry.attributes; + + // console.time( 'wireframe' ); + + if ( index !== null ) { + + var array = index.array; + + 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 = attributes.position.array; + + 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 ); + + } + + } + + // console.timeEnd( 'wireframe' ); + + var attribute = new ( arrayMax( indices ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 ); + + updateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER ); + + property.wireframe = attribute; + + return attribute; + + } + + return { + + getAttributeBuffer: getAttributeBuffer, + getAttributeProperties: getAttributeProperties, + getWireframeAttribute: getWireframeAttribute, + + update: update + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) { + + var _infoMemory = info.memory; + var _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext ); + + // + + function clampToMaxSize( image, maxSize ) { + + if ( image.width > maxSize || image.height > maxSize ) { + + // Warning: Scaling through the canvas will only work with images that use + // premultiplied alpha. + + var scale = maxSize / Math.max( image.width, image.height ); + + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = Math.floor( image.width * scale ); + canvas.height = Math.floor( image.height * scale ); + + var context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height ); + + console.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); + + return canvas; + + } + + return image; + + } + + function isPowerOfTwo( image ) { + + return _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height ); + + } + + function makePowerOfTwo( image ) { + + if ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) { + + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = _Math.nearestPowerOfTwo( image.width ); + canvas.height = _Math.nearestPowerOfTwo( image.height ); + + var context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, canvas.width, canvas.height ); + + console.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); + + return canvas; + + } + + return image; + + } + + function textureNeedsPowerOfTwo( texture ) { + + return ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) || + ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ); + + } + + // Fallback filters for non-power-of-2 textures + + function filterFallback( f ) { + + if ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) { + + return _gl.NEAREST; + + } + + return _gl.LINEAR; + + } + + // + + function onTextureDispose( event ) { + + var texture = event.target; + + texture.removeEventListener( 'dispose', onTextureDispose ); + + deallocateTexture( texture ); + + _infoMemory.textures --; + + + } + + function onRenderTargetDispose( event ) { + + var renderTarget = event.target; + + renderTarget.removeEventListener( 'dispose', onRenderTargetDispose ); + + deallocateRenderTarget( renderTarget ); + + _infoMemory.textures --; + + } + + // + + function deallocateTexture( texture ) { + + var textureProperties = properties.get( texture ); + + if ( texture.image && textureProperties.__image__webglTextureCube ) { + + // cube texture + + _gl.deleteTexture( textureProperties.__image__webglTextureCube ); + + } else { + + // 2D texture + + if ( textureProperties.__webglInit === undefined ) return; + + _gl.deleteTexture( textureProperties.__webglTexture ); + + } + + // remove all webgl properties + properties.delete( 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.isWebGLRenderTargetCube ) { + + 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.delete( renderTarget.texture ); + properties.delete( renderTarget ); + + } + + // + + + + function setTexture2D( texture, slot ) { + + var textureProperties = properties.get( 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', texture ); + + } else if ( image.complete === false ) { + + console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture ); + + } else { + + uploadTexture( textureProperties, texture, slot ); + return; + + } + + } + + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + + } + + function setTextureCube( texture, slot ) { + + var textureProperties = properties.get( texture ); + + if ( texture.image.length === 6 ) { + + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + + if ( ! textureProperties.__image__webglTextureCube ) { + + texture.addEventListener( 'dispose', onTextureDispose ); + + textureProperties.__image__webglTextureCube = _gl.createTexture(); + + _infoMemory.textures ++; + + } + + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); + + _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); + + var isCompressed = ( texture && texture.isCompressedTexture ); + var isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture ); + + var cubeImage = []; + + for ( var i = 0; i < 6; i ++ ) { + + if ( ! isCompressed && ! isDataTexture ) { + + cubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize ); + + } else { + + cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ]; + + } + + } + + var image = cubeImage[ 0 ], + isPowerOfTwoImage = isPowerOfTwo( image ), + glFormat = paramThreeToGL( texture.format ), + glType = paramThreeToGL( texture.type ); + + setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage ); + + for ( var i = 0; i < 6; i ++ ) { + + if ( ! isCompressed ) { + + if ( isDataTexture ) { + + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data ); + + } else { + + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] ); + + } + + } else { + + var mipmap, mipmaps = cubeImage[ i ].mipmaps; + + for ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) { + + mipmap = mipmaps[ j ]; + + if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { + + if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { + + state.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + + } else { + + console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()" ); + + } + + } else { + + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + } + + } + + } + + if ( texture.generateMipmaps && isPowerOfTwoImage ) { + + _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); + + } + + textureProperties.__version = texture.version; + + if ( texture.onUpdate ) texture.onUpdate( texture ); + + } else { + + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); + + } + + } + + } + + function setTextureCubeDynamic( texture, slot ) { + + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture ); + + } + + function setTextureParameters( textureType, texture, isPowerOfTwoImage ) { + + var extension; + + if ( isPowerOfTwoImage ) { + + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) ); + + _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) ); + + } else { + + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE ); + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE ); + + 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.', texture ); + + } + + _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, 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.', texture ); + + } + + } + + 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 && 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 uploadTexture( textureProperties, texture, slot ) { + + if ( textureProperties.__webglInit === undefined ) { + + textureProperties.__webglInit = true; + + texture.addEventListener( 'dispose', onTextureDispose ); + + textureProperties.__webglTexture = _gl.createTexture(); + + _infoMemory.textures ++; + + } + + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + + _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); + _gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha ); + _gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment ); + + var image = clampToMaxSize( texture.image, capabilities.maxTextureSize ); + + if ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) { + + image = makePowerOfTwo( image ); + + } + + var isPowerOfTwoImage = isPowerOfTwo( image ), + glFormat = paramThreeToGL( texture.format ), + glType = paramThreeToGL( texture.type ); + + setTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage ); + + var mipmap, mipmaps = texture.mipmaps; + + if ( texture.isDepthTexture ) { + + // populate depth texture with dummy data + + var internalFormat = _gl.DEPTH_COMPONENT; + + if ( texture.type === FloatType ) { + + if ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0'); + internalFormat = _gl.DEPTH_COMPONENT32F; + + } else if ( _isWebGL2 ) { + + // WebGL 2.0 requires signed internalformat for glTexImage2D + internalFormat = _gl.DEPTH_COMPONENT16; + + } + + if ( texture.format === DepthFormat && internalFormat === _gl.DEPTH_COMPONENT ) { + + // 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 = paramThreeToGL( 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 ) { + + internalFormat = _gl.DEPTH_STENCIL; + + // 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 = paramThreeToGL( texture.type ); + + } + + } + + state.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, 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 && isPowerOfTwoImage ) { + + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + texture.generateMipmaps = false; + + } else { + + state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data ); + + } + + } 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 ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { + + state.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + + } else { + + console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()" ); + + } + + } else { + + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + } + + } 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 && isPowerOfTwoImage ) { + + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap ); + + } + + texture.generateMipmaps = false; + + } else { + + state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image ); + + } + + } + + if ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D ); + + 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 = paramThreeToGL( renderTarget.texture.format ); + var glType = paramThreeToGL( renderTarget.texture.type ); + state.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null ); + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 ); + _gl.bindFramebuffer( _gl.FRAMEBUFFER, null ); + + } + + // Setup storage for internal depth/stencil buffers and bind to correct framebuffer + function setupRenderBufferStorage( renderbuffer, renderTarget ) { + + _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer ); + + if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) { + + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); + + } else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) { + + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); + + } else { + + // FIXME: We don't support !depth !stencil + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height ); + + } + + _gl.bindRenderbuffer( _gl.RENDERBUFFER, null ); + + } + + // Setup resources for a Depth Texture for a FBO (needs an extension) + function setupDepthTexture( framebuffer, renderTarget ) { + + var isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube ); + if ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!'); + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, 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( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); + + } else if ( renderTarget.depthTexture.format === DepthStencilFormat ) { + + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, 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.isWebGLRenderTargetCube === 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( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] ); + renderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget ); + + } + + } else { + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer ); + renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget ); + + } + + } + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, 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(); + + _infoMemory.textures ++; + + var isCube = ( renderTarget.isWebGLRenderTargetCube === true ); + var isTargetPowerOfTwo = isPowerOfTwo( renderTarget ); + + // Setup framebuffer + + if ( isCube ) { + + renderTargetProperties.__webglFramebuffer = []; + + for ( var i = 0; i < 6; i ++ ) { + + renderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer(); + + } + + } else { + + renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); + + } + + // Setup color buffer + + if ( isCube ) { + + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture ); + setTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo ); + + for ( var i = 0; i < 6; i ++ ) { + + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i ); + + } + + if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, null ); + + } else { + + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + setTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo ); + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D ); + + if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D ); + state.bindTexture( _gl.TEXTURE_2D, null ); + + } + + // Setup depth and stencil buffers + + if ( renderTarget.depthBuffer ) { + + setupDepthRenderbuffer( renderTarget ); + + } + + } + + function updateRenderTargetMipmap( renderTarget ) { + + var texture = renderTarget.texture; + + if ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) && + texture.minFilter !== NearestFilter && + texture.minFilter !== LinearFilter ) { + + var target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D; + var webglTexture = properties.get( texture ).__webglTexture; + + state.bindTexture( target, webglTexture ); + _gl.generateMipmap( target ); + state.bindTexture( target, null ); + + } + + } + + this.setTexture2D = setTexture2D; + this.setTextureCube = setTextureCube; + this.setTextureCubeDynamic = setTextureCubeDynamic; + this.setupRenderTarget = setupRenderTarget; + this.updateRenderTargetMipmap = updateRenderTargetMipmap; + +} + +/** + * @author fordacious / fordacious.github.io + */ + +function WebGLProperties() { + + var properties = {}; + + return { + + get: function ( object ) { + + var uuid = object.uuid; + var map = properties[ uuid ]; + + if ( map === undefined ) { + + map = {}; + properties[ uuid ] = map; + + } + + return map; + + }, + + delete: function ( object ) { + + delete properties[ object.uuid ]; + + }, + + clear: function () { + + properties = {}; + + } + + }; + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function WebGLState( gl, extensions, paramThreeToGL ) { + + function ColorBuffer() { + + var locked = false; + + var color = new Vector4(); + var currentColorMask = null; + var currentColorClear = new Vector4(); + + 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( 0, 0, 0, 1 ); + + } + + }; + + } + + function DepthBuffer() { + + var locked = false; + + var currentDepthMask = null; + var currentDepthFunc = null; + var currentDepthClear = null; + + return { + + setTest: function ( depthTest ) { + + if ( depthTest ) { + + enable( gl.DEPTH_TEST ); + + } else { + + disable( gl.DEPTH_TEST ); + + } + + }, + + 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( gl.NEVER ); + break; + + case AlwaysDepth: + + gl.depthFunc( gl.ALWAYS ); + break; + + case LessDepth: + + gl.depthFunc( gl.LESS ); + break; + + case LessEqualDepth: + + gl.depthFunc( gl.LEQUAL ); + break; + + case EqualDepth: + + gl.depthFunc( gl.EQUAL ); + break; + + case GreaterEqualDepth: + + gl.depthFunc( gl.GEQUAL ); + break; + + case GreaterDepth: + + gl.depthFunc( gl.GREATER ); + break; + + case NotEqualDepth: + + gl.depthFunc( gl.NOTEQUAL ); + break; + + default: + + gl.depthFunc( gl.LEQUAL ); + + } + + } else { + + gl.depthFunc( gl.LEQUAL ); + + } + + 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 ( stencilTest ) { + + enable( gl.STENCIL_TEST ); + + } else { + + disable( gl.STENCIL_TEST ); + + } + + }, + + 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( gl.MAX_VERTEX_ATTRIBS ); + var newAttributes = new Uint8Array( maxVertexAttributes ); + var enabledAttributes = new Uint8Array( maxVertexAttributes ); + var attributeDivisors = new Uint8Array( maxVertexAttributes ); + + var capabilities = {}; + + var compressedTextureFormats = 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 currentScissorTest = null; + + var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); + + var version = parseFloat( /^WebGL\ ([0-9])/.exec( gl.getParameter( gl.VERSION ) )[ 1 ] ); + var lineWidthAvailable = parseFloat( version ) >= 1.0; + + 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, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + gl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + + for ( var i = 0; i < count; i ++ ) { + + gl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data ); + + } + + return texture; + + } + + var emptyTextures = {}; + emptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 ); + emptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 ); + + // + + function init() { + + colorBuffer.setClear( 0, 0, 0, 1 ); + depthBuffer.setClear( 1 ); + stencilBuffer.setClear( 0 ); + + enable( gl.DEPTH_TEST ); + setDepthFunc( LessEqualDepth ); + + setFlipSided( false ); + setCullFace( CullFaceBack ); + enable( gl.CULL_FACE ); + + enable( gl.BLEND ); + setBlending( NormalBlending ); + + } + + function initAttributes() { + + for ( var i = 0, l = newAttributes.length; i < l; i ++ ) { + + newAttributes[ i ] = 0; + + } + + } + + function enableAttribute( attribute ) { + + newAttributes[ attribute ] = 1; + + if ( enabledAttributes[ attribute ] === 0 ) { + + gl.enableVertexAttribArray( attribute ); + enabledAttributes[ attribute ] = 1; + + } + + if ( attributeDivisors[ attribute ] !== 0 ) { + + var extension = extensions.get( 'ANGLE_instanced_arrays' ); + + extension.vertexAttribDivisorANGLE( attribute, 0 ); + attributeDivisors[ attribute ] = 0; + + } + + } + + function enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) { + + newAttributes[ attribute ] = 1; + + if ( enabledAttributes[ attribute ] === 0 ) { + + gl.enableVertexAttribArray( attribute ); + enabledAttributes[ attribute ] = 1; + + } + + if ( attributeDivisors[ attribute ] !== meshPerAttribute ) { + + extension.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 ( capabilities[ id ] !== true ) { + + gl.enable( id ); + capabilities[ id ] = true; + + } + + } + + function disable( id ) { + + if ( capabilities[ id ] !== false ) { + + gl.disable( id ); + capabilities[ id ] = false; + + } + + } + + function getCompressedTextureFormats() { + + if ( compressedTextureFormats === null ) { + + compressedTextureFormats = []; + + if ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) || + extensions.get( 'WEBGL_compressed_texture_s3tc' ) || + extensions.get( 'WEBGL_compressed_texture_etc1' ) ) { + + var formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS ); + + for ( var i = 0; i < formats.length; i ++ ) { + + compressedTextureFormats.push( formats[ i ] ); + + } + + } + + } + + return compressedTextureFormats; + + } + + function setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) { + + if ( blending !== NoBlending ) { + + enable( gl.BLEND ); + + } else { + + disable( gl.BLEND ); + + } + + if ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) { + + if ( blending === AdditiveBlending ) { + + if ( premultipliedAlpha ) { + + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE ); + + } else { + + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.SRC_ALPHA, gl.ONE ); + + } + + } else if ( blending === SubtractiveBlending ) { + + if ( premultipliedAlpha ) { + + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA ); + + } else { + + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR ); + + } + + } else if ( blending === MultiplyBlending ) { + + if ( premultipliedAlpha ) { + + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA ); + + } else { + + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.ZERO, gl.SRC_COLOR ); + + } + + } else { + + if ( premultipliedAlpha ) { + + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + + } else { + + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + + } + + } + + currentBlending = blending; + currentPremultipledAlpha = premultipliedAlpha; + + } + + if ( blending === CustomBlending ) { + + blendEquationAlpha = blendEquationAlpha || blendEquation; + blendSrcAlpha = blendSrcAlpha || blendSrc; + blendDstAlpha = blendDstAlpha || blendDst; + + if ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) { + + gl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) ); + + currentBlendEquation = blendEquation; + currentBlendEquationAlpha = blendEquationAlpha; + + } + + if ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) { + + gl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) ); + + currentBlendSrc = blendSrc; + currentBlendDst = blendDst; + currentBlendSrcAlpha = blendSrcAlpha; + currentBlendDstAlpha = blendDstAlpha; + + } + + } else { + + currentBlendEquation = null; + currentBlendSrc = null; + currentBlendDst = null; + currentBlendEquationAlpha = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; + + } + + } + + // TODO Deprecate + + function setColorWrite( colorWrite ) { + + colorBuffer.setMask( colorWrite ); + + } + + function setDepthTest( depthTest ) { + + depthBuffer.setTest( depthTest ); + + } + + function setDepthWrite( depthWrite ) { + + depthBuffer.setMask( depthWrite ); + + } + + function setDepthFunc( depthFunc ) { + + depthBuffer.setFunc( depthFunc ); + + } + + function setStencilTest( stencilTest ) { + + stencilBuffer.setTest( stencilTest ); + + } + + function setStencilWrite( stencilWrite ) { + + stencilBuffer.setMask( stencilWrite ); + + } + + function setStencilFunc( stencilFunc, stencilRef, stencilMask ) { + + stencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask ); + + } + + function setStencilOp( stencilFail, stencilZFail, stencilZPass ) { + + stencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass ); + + } + + // + + function setFlipSided( flipSided ) { + + if ( currentFlipSided !== flipSided ) { + + if ( flipSided ) { + + gl.frontFace( gl.CW ); + + } else { + + gl.frontFace( gl.CCW ); + + } + + currentFlipSided = flipSided; + + } + + } + + function setCullFace( cullFace ) { + + if ( cullFace !== CullFaceNone ) { + + enable( gl.CULL_FACE ); + + if ( cullFace !== currentCullFace ) { + + if ( cullFace === CullFaceBack ) { + + gl.cullFace( gl.BACK ); + + } else if ( cullFace === CullFaceFront ) { + + gl.cullFace( gl.FRONT ); + + } else { + + gl.cullFace( gl.FRONT_AND_BACK ); + + } + + } + + } else { + + disable( gl.CULL_FACE ); + + } + + currentCullFace = cullFace; + + } + + function setLineWidth( width ) { + + if ( width !== currentLineWidth ) { + + if ( lineWidthAvailable ) gl.lineWidth( width ); + + currentLineWidth = width; + + } + + } + + function setPolygonOffset( polygonOffset, factor, units ) { + + if ( polygonOffset ) { + + enable( gl.POLYGON_OFFSET_FILL ); + + if ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) { + + gl.polygonOffset( factor, units ); + + currentPolygonOffsetFactor = factor; + currentPolygonOffsetUnits = units; + + } + + } else { + + disable( gl.POLYGON_OFFSET_FILL ); + + } + + } + + function getScissorTest() { + + return currentScissorTest; + + } + + function setScissorTest( scissorTest ) { + + currentScissorTest = scissorTest; + + if ( scissorTest ) { + + enable( gl.SCISSOR_TEST ); + + } else { + + disable( gl.SCISSOR_TEST ); + + } + + } + + // texture + + function activeTexture( webglSlot ) { + + if ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + 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 compressedTexImage2D() { + + try { + + gl.compressedTexImage2D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( error ); + + } + + } + + function texImage2D() { + + try { + + gl.texImage2D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 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; + + } + + } + + capabilities = {}; + + compressedTextureFormats = null; + + currentTextureSlot = null; + currentBoundTextures = {}; + + currentBlending = null; + + currentFlipSided = null; + currentCullFace = null; + + colorBuffer.reset(); + depthBuffer.reset(); + stencilBuffer.reset(); + + } + + return { + + buffers: { + color: colorBuffer, + depth: depthBuffer, + stencil: stencilBuffer + }, + + init: init, + initAttributes: initAttributes, + enableAttribute: enableAttribute, + enableAttributeAndDivisor: enableAttributeAndDivisor, + disableUnusedAttributes: disableUnusedAttributes, + enable: enable, + disable: disable, + getCompressedTextureFormats: getCompressedTextureFormats, + + setBlending: setBlending, + + setColorWrite: setColorWrite, + setDepthTest: setDepthTest, + setDepthWrite: setDepthWrite, + setDepthFunc: setDepthFunc, + setStencilTest: setStencilTest, + setStencilWrite: setStencilWrite, + setStencilFunc: setStencilFunc, + setStencilOp: setStencilOp, + + setFlipSided: setFlipSided, + setCullFace: setCullFace, + + setLineWidth: setLineWidth, + setPolygonOffset: setPolygonOffset, + + getScissorTest: getScissorTest, + setScissorTest: setScissorTest, + + activeTexture: activeTexture, + bindTexture: bindTexture, + compressedTexImage2D: compressedTexImage2D, + texImage2D: texImage2D, + + scissor: scissor, + viewport: viewport, + + reset: reset + + }; + +} + +/** + * @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( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 && + gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) { + + return 'highp'; + + } + + precision = 'mediump'; + + } + + if ( precision === 'mediump' ) { + + if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 && + gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) { + + return 'mediump'; + + } + + } + + return 'lowp'; + + } + + 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 && !! extensions.get( 'EXT_frag_depth' ); + + var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); + var maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS ); + var maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE ); + var maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE ); + + var maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); + var maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS ); + var maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS ); + var maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS ); + + var vertexTextures = maxVertexTextures > 0; + var floatFragmentTextures = !! extensions.get( 'OES_texture_float' ); + var floatVertexTextures = vertexTextures && floatFragmentTextures; + + return { + + 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 + + }; + +} + +/** + * @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; + + case 'WEBGL_compressed_texture_etc1': + extension = gl.getExtension( 'WEBGL_compressed_texture_etc1' ); + break; + + default: + extension = gl.getExtension( name ); + + } + + if ( extension === null ) { + + console.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' ); + + } + + extensions[ name ] = extension; + + return extension; + + } + + }; + +} + +/** + * @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; + + return dstArray; + + } + +} + +/** + * @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 ) { + + console.log( 'THREE.WebGLRenderer', REVISION ); + + 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; + + var lights = []; + + var opaqueObjects = []; + var opaqueObjectsLastIndex = - 1; + var transparentObjects = []; + var transparentObjectsLastIndex = - 1; + + var morphInfluences = new Float32Array( 8 ); + + var sprites = []; + var lensFlares = []; + + // public properties + + this.domElement = _canvas; + this.context = null; + + // 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.gammaInput = false; + this.gammaOutput = false; + + // 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, + + // internal state cache + + _currentProgram = null, + _currentRenderTarget = null, + _currentFramebuffer = null, + _currentMaterialId = - 1, + _currentGeometryProgram = '', + _currentCamera = null, + + _currentScissor = new Vector4(), + _currentScissorTest = null, + + _currentViewport = new Vector4(), + + // + + _usedTextureUnits = 0, + + // + + _clearColor = new Color( 0x000000 ), + _clearAlpha = 0, + + _width = _canvas.width, + _height = _canvas.height, + + _pixelRatio = 1, + + _scissor = new Vector4( 0, 0, _width, _height ), + _scissorTest = false, + + _viewport = new Vector4( 0, 0, _width, _height ), + + // frustum + + _frustum = new Frustum(), + + // clipping + + _clipping = new WebGLClipping(), + _clippingEnabled = false, + _localClippingEnabled = false, + + _sphere = new Sphere(), + + // camera matrices cache + + _projScreenMatrix = new Matrix4(), + + _vector3 = new Vector3(), + _matrix4 = new Matrix4(), + _matrix42 = new Matrix4(), + + // light arrays cache + + _lights = { + + hash: '', + + ambient: [ 0, 0, 0 ], + directional: [], + directionalShadowMap: [], + directionalShadowMatrix: [], + spot: [], + spotShadowMap: [], + spotShadowMatrix: [], + rectArea: [], + point: [], + pointShadowMap: [], + pointShadowMatrix: [], + hemi: [], + + shadows: [] + + }, + + // info + + _infoRender = { + + calls: 0, + vertices: 0, + faces: 0, + points: 0 + + }; + + this.info = { + + render: _infoRender, + memory: { + + geometries: 0, + textures: 0 + + }, + programs: null + + }; + + + // initialize + + var _gl; + + try { + + var attributes = { + alpha: _alpha, + depth: _depth, + stencil: _stencil, + antialias: _antialias, + premultipliedAlpha: _premultipliedAlpha, + preserveDrawingBuffer: _preserveDrawingBuffer + }; + + _gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes ); + + if ( _gl === null ) { + + if ( _canvas.getContext( 'webgl' ) !== null ) { + + throw 'Error creating WebGL context with your selected attributes.'; + + } else { + + throw '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 }; + + }; + + } + + _canvas.addEventListener( 'webglcontextlost', onContextLost, false ); + + } catch ( error ) { + + console.error( 'THREE.WebGLRenderer: ' + error ); + + } + + var extensions = new WebGLExtensions( _gl ); + + extensions.get( 'WEBGL_depth_texture' ); + extensions.get( 'OES_texture_float' ); + extensions.get( 'OES_texture_float_linear' ); + extensions.get( 'OES_texture_half_float' ); + extensions.get( 'OES_texture_half_float_linear' ); + extensions.get( 'OES_standard_derivatives' ); + extensions.get( 'ANGLE_instanced_arrays' ); + + if ( extensions.get( 'OES_element_index_uint' ) ) { + + BufferGeometry.MaxIndex = 4294967296; + + } + + var capabilities = new WebGLCapabilities( _gl, extensions, parameters ); + + var state = new WebGLState( _gl, extensions, paramThreeToGL ); + var properties = new WebGLProperties(); + var textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info ); + var objects = new WebGLObjects( _gl, properties, this.info ); + var programCache = new WebGLPrograms( this, capabilities ); + var lightCache = new WebGLLights(); + + this.info.programs = programCache.programs; + + var bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender ); + var indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender ); + + // + + var backgroundPlaneCamera, backgroundPlaneMesh; + var backgroundBoxCamera, backgroundBoxMesh; + + // + + function getTargetPixelRatio() { + + return _currentRenderTarget === null ? _pixelRatio : 1; + + } + + function setDefaultGLState() { + + state.init(); + + state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) ); + state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) ); + + state.buffers.color.setClear( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha, _premultipliedAlpha ); + + } + + function resetGLState() { + + _currentProgram = null; + _currentCamera = null; + + _currentGeometryProgram = ''; + _currentMaterialId = - 1; + + state.reset(); + + } + + setDefaultGLState(); + + this.context = _gl; + this.capabilities = capabilities; + this.extensions = extensions; + this.properties = properties; + this.state = state; + + // shadow map + + var shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities ); + + this.shadowMap = shadowMap; + + + // Plugins + + var spritePlugin = new SpritePlugin( this, sprites ); + var lensFlarePlugin = new LensFlarePlugin( this, lensFlares ); + + // API + + this.getContext = function () { + + return _gl; + + }; + + this.getContextAttributes = function () { + + return _gl.getContextAttributes(); + + }; + + this.forceContextLoss = function () { + + extensions.get( 'WEBGL_lose_context' ).loseContext(); + + }; + + this.getMaxAnisotropy = function () { + + return capabilities.getMaxAnisotropy(); + + }; + + this.getPrecision = function () { + + return capabilities.precision; + + }; + + this.getPixelRatio = function () { + + return _pixelRatio; + + }; + + this.setPixelRatio = function ( value ) { + + if ( value === undefined ) return; + + _pixelRatio = value; + + this.setSize( _viewport.z, _viewport.w, false ); + + }; + + this.getSize = function () { + + return { + width: _width, + height: _height + }; + + }; + + this.setSize = function ( width, height, updateStyle ) { + + _width = width; + _height = height; + + _canvas.width = width * _pixelRatio; + _canvas.height = height * _pixelRatio; + + if ( updateStyle !== false ) { + + _canvas.style.width = width + 'px'; + _canvas.style.height = height + 'px'; + + } + + this.setViewport( 0, 0, width, height ); + + }; + + this.setViewport = function ( x, y, width, height ) { + + state.viewport( _viewport.set( x, y, width, height ) ); + + }; + + this.setScissor = function ( x, y, width, height ) { + + state.scissor( _scissor.set( x, y, width, height ) ); + + }; + + this.setScissorTest = function ( boolean ) { + + state.setScissorTest( _scissorTest = boolean ); + + }; + + // Clearing + + this.getClearColor = function () { + + return _clearColor; + + }; + + this.setClearColor = function ( color, alpha ) { + + _clearColor.set( color ); + + _clearAlpha = alpha !== undefined ? alpha : 1; + + state.buffers.color.setClear( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha, _premultipliedAlpha ); + + }; + + this.getClearAlpha = function () { + + return _clearAlpha; + + }; + + this.setClearAlpha = function ( alpha ) { + + _clearAlpha = alpha; + + state.buffers.color.setClear( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha, _premultipliedAlpha ); + + }; + + this.clear = function ( color, depth, stencil ) { + + var bits = 0; + + if ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT; + if ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT; + if ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT; + + _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.clearTarget = function ( renderTarget, color, depth, stencil ) { + + this.setRenderTarget( renderTarget ); + this.clear( color, depth, stencil ); + + }; + + // Reset + + this.resetGLState = resetGLState; + + this.dispose = function() { + + transparentObjects = []; + transparentObjectsLastIndex = -1; + opaqueObjects = []; + opaqueObjectsLastIndex = -1; + + _canvas.removeEventListener( 'webglcontextlost', onContextLost, false ); + + }; + + // Events + + function onContextLost( event ) { + + event.preventDefault(); + + resetGLState(); + setDefaultGLState(); + + properties.clear(); + + } + + function onMaterialDispose( event ) { + + var material = event.target; + + material.removeEventListener( 'dispose', onMaterialDispose ); + + deallocateMaterial( material ); + + } + + // Buffer deallocation + + function deallocateMaterial( material ) { + + releaseMaterialProgramReference( material ); + + properties.delete( material ); + + } + + + function releaseMaterialProgramReference( material ) { + + var programInfo = properties.get( material ).program; + + material.program = undefined; + + if ( programInfo !== undefined ) { + + programCache.releaseProgram( programInfo ); + + } + + } + + // Buffer rendering + + this.renderBufferImmediate = function ( object, program, material ) { + + 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 attributes = program.getAttributes(); + + if ( object.hasPositions ) { + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW ); + + state.enableAttribute( attributes.position ); + _gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 ); + + } + + if ( object.hasNormals ) { + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal ); + + if ( ! material.isMeshPhongMaterial && + ! material.isMeshStandardMaterial && + ! material.isMeshNormalMaterial && + material.shading === FlatShading ) { + + for ( var i = 0, l = object.count * 3; i < l; i += 9 ) { + + var array = object.normalArray; + + var nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3; + var ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3; + var nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3; + + array[ i + 0 ] = nx; + array[ i + 1 ] = ny; + array[ i + 2 ] = nz; + + array[ i + 3 ] = nx; + array[ i + 4 ] = ny; + array[ i + 5 ] = nz; + + array[ i + 6 ] = nx; + array[ i + 7 ] = ny; + array[ i + 8 ] = nz; + + } + + } + + _gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW ); + + state.enableAttribute( attributes.normal ); + + _gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 ); + + } + + if ( object.hasUvs && material.map ) { + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW ); + + state.enableAttribute( attributes.uv ); + + _gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 ); + + } + + if ( object.hasColors && material.vertexColors !== NoColors ) { + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW ); + + state.enableAttribute( attributes.color ); + + _gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 ); + + } + + state.disableUnusedAttributes(); + + _gl.drawArrays( _gl.TRIANGLES, 0, object.count ); + + object.count = 0; + + }; + + this.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) { + + setMaterial( material ); + + var program = setProgram( camera, fog, material, object ); + + var updateBuffers = false; + var geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe; + + if ( geometryProgram !== _currentGeometryProgram ) { + + _currentGeometryProgram = geometryProgram; + updateBuffers = true; + + } + + // morph targets + + var morphTargetInfluences = object.morphTargetInfluences; + + if ( morphTargetInfluences !== undefined ) { + + var activeInfluences = []; + + for ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) { + + var influence = morphTargetInfluences[ i ]; + activeInfluences.push( [ influence, i ] ); + + } + + activeInfluences.sort( absNumericalSort ); + + if ( activeInfluences.length > 8 ) { + + activeInfluences.length = 8; + + } + + var morphAttributes = geometry.morphAttributes; + + for ( var i = 0, l = activeInfluences.length; i < l; i ++ ) { + + var influence = activeInfluences[ i ]; + morphInfluences[ i ] = influence[ 0 ]; + + if ( influence[ 0 ] !== 0 ) { + + var index = influence[ 1 ]; + + if ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] ); + if ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] ); + + } else { + + if ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i ); + if ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i ); + + } + + } + + for ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) { + + morphInfluences[ i ] = 0.0; + + } + + program.getUniforms().setValue( + _gl, 'morphTargetInfluences', morphInfluences ); + + updateBuffers = true; + + } + + // + + var index = geometry.index; + var position = geometry.attributes.position; + var rangeFactor = 1; + + if ( material.wireframe === true ) { + + index = objects.getWireframeAttribute( geometry ); + rangeFactor = 2; + + } + + var renderer; + + if ( index !== null ) { + + renderer = indexedBufferRenderer; + renderer.setIndex( index ); + + } else { + + renderer = bufferRenderer; + + } + + if ( updateBuffers ) { + + setupVertexAttributes( material, program, geometry ); + + if ( index !== null ) { + + _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) ); + + } + + } + + // + + var dataCount = 0; + + if ( index !== null ) { + + dataCount = index.count; + + } else if ( position !== undefined ) { + + dataCount = 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( _gl.LINES ); + + } else { + + switch ( object.drawMode ) { + + case TrianglesDrawMode: + renderer.setMode( _gl.TRIANGLES ); + break; + + case TriangleStripDrawMode: + renderer.setMode( _gl.TRIANGLE_STRIP ); + break; + + case TriangleFanDrawMode: + renderer.setMode( _gl.TRIANGLE_FAN ); + break; + + } + + } + + + } 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( _gl.LINES ); + + } else { + + renderer.setMode( _gl.LINE_STRIP ); + + } + + } else if ( object.isPoints ) { + + renderer.setMode( _gl.POINTS ); + + } + + if ( geometry && geometry.isInstancedBufferGeometry ) { + + if ( geometry.maxInstancedCount > 0 ) { + + renderer.renderInstances( geometry, drawStart, drawCount ); + + } + + } else { + + renderer.render( drawStart, drawCount ); + + } + + }; + + function setupVertexAttributes( material, program, geometry, startIndex ) { + + var extension; + + if ( geometry && geometry.isInstancedBufferGeometry ) { + + extension = extensions.get( 'ANGLE_instanced_arrays' ); + + if ( extension === null ) { + + console.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; + + } + + } + + if ( startIndex === undefined ) startIndex = 0; + + 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 attributeProperties = objects.getAttributeProperties( geometryAttribute ); + + var buffer = attributeProperties.__webglBuffer; + var type = attributeProperties.type; + var bytesPerElement = attributeProperties.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, extension ); + + if ( geometry.maxInstancedCount === undefined ) { + + geometry.maxInstancedCount = data.meshPerAttribute * data.count; + + } + + } else { + + state.enableAttribute( programAttribute ); + + } + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); + _gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * bytesPerElement, ( startIndex * stride + offset ) * bytesPerElement ); + + } else { + + if ( geometryAttribute.isInstancedBufferAttribute ) { + + state.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension ); + + if ( geometry.maxInstancedCount === undefined ) { + + geometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; + + } + + } else { + + state.enableAttribute( programAttribute ); + + } + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); + _gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * bytesPerElement ); + + } + + } 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(); + + } + + // Sorting + + function absNumericalSort( a, b ) { + + return Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] ); + + } + + function painterSortStable( a, b ) { + + if ( a.object.renderOrder !== b.object.renderOrder ) { + + return a.object.renderOrder - b.object.renderOrder; + + } else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) { + + return a.material.program.id - b.material.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.object.renderOrder !== b.object.renderOrder ) { + + return a.object.renderOrder - b.object.renderOrder; + + } if ( a.z !== b.z ) { + + return b.z - a.z; + + } else { + + return a.id - b.id; + + } + + } + + // Rendering + + this.render = function ( scene, camera, renderTarget, forceClear ) { + + if ( camera !== undefined && camera.isCamera !== true ) { + + console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' ); + return; + + } + + // reset caching for this frame + + _currentGeometryProgram = ''; + _currentMaterialId = - 1; + _currentCamera = null; + + // update scene graph + + if ( scene.autoUpdate === true ) scene.updateMatrixWorld(); + + // update camera matrices and frustum + + if ( camera.parent === null ) camera.updateMatrixWorld(); + + camera.matrixWorldInverse.getInverse( camera.matrixWorld ); + + _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + _frustum.setFromMatrix( _projScreenMatrix ); + + lights.length = 0; + + opaqueObjectsLastIndex = - 1; + transparentObjectsLastIndex = - 1; + + sprites.length = 0; + lensFlares.length = 0; + + _localClippingEnabled = this.localClippingEnabled; + _clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera ); + + projectObject( scene, camera ); + + opaqueObjects.length = opaqueObjectsLastIndex + 1; + transparentObjects.length = transparentObjectsLastIndex + 1; + + if ( _this.sortObjects === true ) { + + opaqueObjects.sort( painterSortStable ); + transparentObjects.sort( reversePainterSortStable ); + + } + + // + + if ( _clippingEnabled ) _clipping.beginShadows(); + + setupShadows( lights ); + + shadowMap.render( scene, camera ); + + setupLights( lights, camera ); + + if ( _clippingEnabled ) _clipping.endShadows(); + + // + + _infoRender.calls = 0; + _infoRender.vertices = 0; + _infoRender.faces = 0; + _infoRender.points = 0; + + if ( renderTarget === undefined ) { + + renderTarget = null; + + } + + this.setRenderTarget( renderTarget ); + + // + + var background = scene.background; + + if ( background === null ) { + + state.buffers.color.setClear( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha, _premultipliedAlpha ); + + } else if ( background && background.isColor ) { + + state.buffers.color.setClear( background.r, background.g, background.b, 1, _premultipliedAlpha ); + forceClear = true; + + } + + if ( this.autoClear || forceClear ) { + + this.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil ); + + } + + if ( background && background.isCubeTexture ) { + + if ( backgroundBoxCamera === undefined ) { + + backgroundBoxCamera = new PerspectiveCamera(); + + backgroundBoxMesh = new Mesh( + new BoxBufferGeometry( 5, 5, 5 ), + new ShaderMaterial( { + uniforms: ShaderLib.cube.uniforms, + vertexShader: ShaderLib.cube.vertexShader, + fragmentShader: ShaderLib.cube.fragmentShader, + side: BackSide, + depthTest: false, + depthWrite: false, + fog: false + } ) + ); + + } + + backgroundBoxCamera.projectionMatrix.copy( camera.projectionMatrix ); + + backgroundBoxCamera.matrixWorld.extractRotation( camera.matrixWorld ); + backgroundBoxCamera.matrixWorldInverse.getInverse( backgroundBoxCamera.matrixWorld ); + + + backgroundBoxMesh.material.uniforms[ "tCube" ].value = background; + backgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundBoxCamera.matrixWorldInverse, backgroundBoxMesh.matrixWorld ); + + objects.update( backgroundBoxMesh ); + + _this.renderBufferDirect( backgroundBoxCamera, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null ); + + } else if ( background && background.isTexture ) { + + if ( backgroundPlaneCamera === undefined ) { + + backgroundPlaneCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 ); + + backgroundPlaneMesh = new Mesh( + new PlaneBufferGeometry( 2, 2 ), + new MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } ) + ); + + } + + backgroundPlaneMesh.material.map = background; + + objects.update( backgroundPlaneMesh ); + + _this.renderBufferDirect( backgroundPlaneCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null ); + + } + + // + + if ( scene.overrideMaterial ) { + + var overrideMaterial = scene.overrideMaterial; + + renderObjects( opaqueObjects, scene, camera, overrideMaterial ); + renderObjects( transparentObjects, scene, camera, overrideMaterial ); + + } else { + + // opaque pass (front-to-back order) + + state.setBlending( NoBlending ); + renderObjects( opaqueObjects, scene, camera ); + + // transparent pass (back-to-front order) + + renderObjects( transparentObjects, scene, camera ); + + } + + // custom render plugins (post pass) + + spritePlugin.render( scene, camera ); + lensFlarePlugin.render( scene, camera, _currentViewport ); + + // Generate mipmap if we're using any kind of mipmap filtering + + if ( renderTarget ) { + + textures.updateRenderTargetMipmap( renderTarget ); + + } + + // Ensure depth buffer writing is enabled so it can be cleared on next render + + state.setDepthTest( true ); + state.setDepthWrite( true ); + state.setColorWrite( true ); + + // _gl.finish(); + + }; + + function pushRenderItem( object, geometry, material, z, group ) { + + var array, index; + + // allocate the next position in the appropriate array + + if ( material.transparent ) { + + array = transparentObjects; + index = ++ transparentObjectsLastIndex; + + } else { + + array = opaqueObjects; + index = ++ opaqueObjectsLastIndex; + + } + + // recycle existing render item or grow the array + + var renderItem = array[ index ]; + + if ( renderItem !== undefined ) { + + renderItem.id = object.id; + renderItem.object = object; + renderItem.geometry = geometry; + renderItem.material = material; + renderItem.z = _vector3.z; + renderItem.group = group; + + } else { + + renderItem = { + id: object.id, + object: object, + geometry: geometry, + material: material, + z: _vector3.z, + group: group + }; + + // assert( index === array.length ); + array.push( renderItem ); + + } + + } + + // TODO Duplicated code (Frustum) + + function isObjectViewable( object ) { + + var geometry = object.geometry; + + if ( geometry.boundingSphere === null ) + geometry.computeBoundingSphere(); + + _sphere.copy( geometry.boundingSphere ). + applyMatrix4( object.matrixWorld ); + + return isSphereViewable( _sphere ); + + } + + function isSpriteViewable( sprite ) { + + _sphere.center.set( 0, 0, 0 ); + _sphere.radius = 0.7071067811865476; + _sphere.applyMatrix4( sprite.matrixWorld ); + + return isSphereViewable( _sphere ); + + } + + function isSphereViewable( sphere ) { + + if ( ! _frustum.intersectsSphere( sphere ) ) return false; + + var numPlanes = _clipping.numPlanes; + + if ( numPlanes === 0 ) return true; + + var planes = _this.clippingPlanes, + + center = sphere.center, + negRad = - sphere.radius, + i = 0; + + do { + + // out when deeper than radius in the negative halfspace + if ( planes[ i ].distanceToPoint( center ) < negRad ) return false; + + } while ( ++ i !== numPlanes ); + + return true; + + } + + function projectObject( object, camera ) { + + if ( object.visible === false ) return; + + var visible = ( object.layers.mask & camera.layers.mask ) !== 0; + + if ( visible ) { + + if ( object.isLight ) { + + lights.push( object ); + + } else if ( object.isSprite ) { + + if ( object.frustumCulled === false || isSpriteViewable( object ) === true ) { + + sprites.push( object ); + + } + + } else if ( object.isLensFlare ) { + + lensFlares.push( object ); + + } else if ( object.isImmediateRenderObject ) { + + if ( _this.sortObjects === true ) { + + _vector3.setFromMatrixPosition( object.matrixWorld ); + _vector3.applyMatrix4( _projScreenMatrix ); + + } + + pushRenderItem( object, null, object.material, _vector3.z, null ); + + } else if ( object.isMesh || object.isLine || object.isPoints ) { + + if ( object.isSkinnedMesh ) { + + object.skeleton.update(); + + } + + if ( object.frustumCulled === false || isObjectViewable( object ) === true ) { + + var material = object.material; + + if ( material.visible === true ) { + + if ( _this.sortObjects === true ) { + + _vector3.setFromMatrixPosition( object.matrixWorld ); + _vector3.applyMatrix4( _projScreenMatrix ); + + } + + var geometry = objects.update( object ); + + if ( material.isMultiMaterial ) { + + var groups = geometry.groups; + var materials = material.materials; + + for ( var i = 0, l = groups.length; i < l; i ++ ) { + + var group = groups[ i ]; + var groupMaterial = materials[ group.materialIndex ]; + + if ( groupMaterial.visible === true ) { + + pushRenderItem( object, geometry, groupMaterial, _vector3.z, group ); + + } + + } + + } else { + + pushRenderItem( object, geometry, material, _vector3.z, null ); + + } + + } + + } + + } + + } + + var children = object.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + projectObject( children[ i ], camera ); + + } + + } + + 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; + + object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld ); + object.normalMatrix.getNormalMatrix( object.modelViewMatrix ); + + object.onBeforeRender( _this, scene, camera, geometry, material, group ); + + if ( object.isImmediateRenderObject ) { + + setMaterial( material ); + + var program = setProgram( camera, scene.fog, material, object ); + + _currentGeometryProgram = ''; + + object.render( function ( object ) { + + _this.renderBufferImmediate( object, program, material ); + + } ); + + } else { + + _this.renderBufferDirect( camera, scene.fog, geometry, material, object, group ); + + } + + object.onAfterRender( _this, scene, camera, geometry, material, group ); + + + } + + } + + function initMaterial( material, fog, object ) { + + var materialProperties = properties.get( material ); + + var parameters = programCache.getParameters( + material, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object ); + + var code = programCache.getProgramCode( material, parameters ); + + var program = materialProperties.program; + var programChange = true; + + if ( program === undefined ) { + + // new material + material.addEventListener( 'dispose', onMaterialDispose ); + + } else if ( program.code !== code ) { + + // changed glsl or parameters + releaseMaterialProgramReference( material ); + + } else if ( parameters.shaderID !== undefined ) { + + // same glsl and uniform list + return; + + } else { + + // only rebuild uniform list + programChange = false; + + } + + if ( programChange ) { + + if ( parameters.shaderID ) { + + var shader = ShaderLib[ parameters.shaderID ]; + + materialProperties.__webglShader = { + name: material.type, + uniforms: UniformsUtils.clone( shader.uniforms ), + vertexShader: shader.vertexShader, + fragmentShader: shader.fragmentShader + }; + + } else { + + materialProperties.__webglShader = { + name: material.type, + uniforms: material.uniforms, + vertexShader: material.vertexShader, + fragmentShader: material.fragmentShader + }; + + } + + material.__webglShader = materialProperties.__webglShader; + + program = programCache.acquireProgram( material, parameters, code ); + + materialProperties.program = program; + material.program = program; + + } + + var attributes = program.getAttributes(); + + if ( material.morphTargets ) { + + material.numSupportedMorphTargets = 0; + + for ( var i = 0; i < _this.maxMorphTargets; i ++ ) { + + if ( attributes[ 'morphTarget' + i ] >= 0 ) { + + material.numSupportedMorphTargets ++; + + } + + } + + } + + if ( material.morphNormals ) { + + material.numSupportedMorphNormals = 0; + + for ( var i = 0; i < _this.maxMorphNormals; i ++ ) { + + if ( attributes[ 'morphNormal' + i ] >= 0 ) { + + material.numSupportedMorphNormals ++; + + } + + } + + } + + var uniforms = materialProperties.__webglShader.uniforms; + + if ( ! material.isShaderMaterial && + ! material.isRawShaderMaterial || + material.clipping === true ) { + + materialProperties.numClippingPlanes = _clipping.numPlanes; + materialProperties.numIntersection = _clipping.numIntersection; + uniforms.clippingPlanes = _clipping.uniform; + + } + + materialProperties.fog = fog; + + // store the light setup it was created for + + materialProperties.lightsHash = _lights.hash; + + if ( material.lights ) { + + // wire up the material to this renderer's lighting state + + uniforms.ambientLightColor.value = _lights.ambient; + uniforms.directionalLights.value = _lights.directional; + uniforms.spotLights.value = _lights.spot; + uniforms.rectAreaLights.value = _lights.rectArea; + uniforms.pointLights.value = _lights.point; + uniforms.hemisphereLights.value = _lights.hemi; + + uniforms.directionalShadowMap.value = _lights.directionalShadowMap; + uniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix; + uniforms.spotShadowMap.value = _lights.spotShadowMap; + uniforms.spotShadowMatrix.value = _lights.spotShadowMatrix; + uniforms.pointShadowMap.value = _lights.pointShadowMap; + uniforms.pointShadowMatrix.value = _lights.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 setMaterial( material ) { + + material.side === DoubleSide + ? state.disable( _gl.CULL_FACE ) + : state.enable( _gl.CULL_FACE ); + + state.setFlipSided( material.side === BackSide ); + + material.transparent === true + ? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha ) + : state.setBlending( NoBlending ); + + state.setDepthFunc( material.depthFunc ); + state.setDepthTest( material.depthTest ); + state.setDepthWrite( material.depthWrite ); + state.setColorWrite( material.colorWrite ); + state.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits ); + + } + + function setProgram( camera, fog, material, object ) { + + _usedTextureUnits = 0; + + var materialProperties = properties.get( material ); + + 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.needsUpdate === false ) { + + if ( materialProperties.program === undefined ) { + + material.needsUpdate = true; + + } else if ( material.fog && materialProperties.fog !== fog ) { + + material.needsUpdate = true; + + } else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) { + + material.needsUpdate = true; + + } else if ( materialProperties.numClippingPlanes !== undefined && + ( materialProperties.numClippingPlanes !== _clipping.numPlanes || + materialProperties.numIntersection !== _clipping.numIntersection ) ) { + + material.needsUpdate = true; + + } + + } + + if ( material.needsUpdate ) { + + initMaterial( material, fog, object ); + material.needsUpdate = false; + + } + + var refreshProgram = false; + var refreshMaterial = false; + var refreshLights = false; + + var program = materialProperties.program, + p_uniforms = program.getUniforms(), + m_uniforms = materialProperties.__webglShader.uniforms; + + if ( program.id !== _currentProgram ) { + + _gl.useProgram( program.program ); + _currentProgram = program.id; + + refreshProgram = true; + refreshMaterial = true; + refreshLights = true; + + } + + if ( material.id !== _currentMaterialId ) { + + _currentMaterialId = material.id; + + refreshMaterial = true; + + } + + if ( refreshProgram || camera !== _currentCamera ) { + + p_uniforms.set( _gl, camera, 'projectionMatrix' ); + + if ( capabilities.logarithmicDepthBuffer ) { + + p_uniforms.setValue( _gl, 'logDepthBufFC', + 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) ); + + } + + + if ( camera !== _currentCamera ) { + + _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.isMeshStandardMaterial || + material.envMap ) { + + var uCamPos = p_uniforms.map.cameraPosition; + + if ( uCamPos !== undefined ) { + + uCamPos.setValue( _gl, + _vector3.setFromMatrixPosition( camera.matrixWorld ) ); + + } + + } + + if ( material.isMeshPhongMaterial || + material.isMeshLambertMaterial || + material.isMeshBasicMaterial || + material.isMeshStandardMaterial || + material.isShaderMaterial || + material.skinning ) { + + p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse ); + + } + + p_uniforms.set( _gl, _this, 'toneMappingExposure' ); + p_uniforms.set( _gl, _this, 'toneMappingWhitePoint' ); + + } + + // skinning uniforms must be set even if material didn't change + // auto-setting of texture unit for bone texture must go before other textures + // not sure why, but otherwise weird things happen + + if ( material.skinning ) { + + p_uniforms.setOptional( _gl, object, 'bindMatrix' ); + p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' ); + + var skeleton = object.skeleton; + + if ( skeleton ) { + + if ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) { + + p_uniforms.set( _gl, skeleton, 'boneTexture' ); + p_uniforms.set( _gl, skeleton, 'boneTextureWidth' ); + p_uniforms.set( _gl, skeleton, 'boneTextureHeight' ); + + } else { + + p_uniforms.setOptional( _gl, skeleton, 'boneMatrices' ); + + } + + } + + } + + if ( refreshMaterial ) { + + if ( material.lights ) { + + // 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 || + material.isMeshLambertMaterial || + material.isMeshPhongMaterial || + material.isMeshStandardMaterial || + material.isMeshNormalMaterial || + material.isMeshDepthMaterial ) { + + refreshUniformsCommon( m_uniforms, material ); + + } + + // refresh single material specific uniforms + + if ( material.isLineBasicMaterial ) { + + refreshUniformsLine( m_uniforms, material ); + + } else if ( material.isLineDashedMaterial ) { + + refreshUniformsLine( m_uniforms, material ); + refreshUniformsDash( m_uniforms, material ); + + } else if ( material.isPointsMaterial ) { + + refreshUniformsPoints( m_uniforms, material ); + + } else if ( material.isMeshLambertMaterial ) { + + refreshUniformsLambert( m_uniforms, material ); + + } else if ( material.isMeshToonMaterial ) { + + refreshUniformsToon( m_uniforms, material ); + + } else if ( material.isMeshPhongMaterial ) { + + refreshUniformsPhong( m_uniforms, material ); + + } else if ( material.isMeshPhysicalMaterial ) { + + refreshUniformsPhysical( m_uniforms, material ); + + } else if ( material.isMeshStandardMaterial ) { + + refreshUniformsStandard( m_uniforms, material ); + + } else if ( material.isMeshDepthMaterial ) { + + if ( material.displacementMap ) { + + m_uniforms.displacementMap.value = material.displacementMap; + m_uniforms.displacementScale.value = material.displacementScale; + m_uniforms.displacementBias.value = material.displacementBias; + + } + + } else if ( material.isMeshNormalMaterial ) { + + refreshUniformsNormal( m_uniforms, material ); + + } + + // RectAreaLight Texture + // TODO (mrdoob): Find a nicer implementation + + if ( m_uniforms.ltcMat !== undefined ) m_uniforms.ltcMat.value = THREE.UniformsLib.LTC_MAT_TEXTURE; + if ( m_uniforms.ltcMag !== undefined ) m_uniforms.ltcMag.value = THREE.UniformsLib.LTC_MAG_TEXTURE; + + WebGLUniforms.upload( + _gl, materialProperties.uniformsList, m_uniforms, _this ); + + } + + + // common matrices + + p_uniforms.set( _gl, object, 'modelViewMatrix' ); + p_uniforms.set( _gl, object, 'normalMatrix' ); + p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld ); + + return program; + + } + + // Uniforms (refresh uniforms objects) + + function refreshUniformsCommon( uniforms, material ) { + + uniforms.opacity.value = material.opacity; + + uniforms.diffuse.value = material.color; + + if ( material.emissive ) { + + uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity ); + + } + + uniforms.map.value = material.map; + uniforms.specularMap.value = material.specularMap; + uniforms.alphaMap.value = material.alphaMap; + + 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; + + } + + var offset = uvScaleMap.offset; + var repeat = uvScaleMap.repeat; + + uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); + + } + + uniforms.envMap.value = material.envMap; + + // don't flip CubeTexture envMaps, flip everything else: + // WebGLRenderTargetCube will be flipped for backwards compatibility + // WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture + // this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future + uniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1; + + uniforms.reflectivity.value = material.reflectivity; + uniforms.refractionRatio.value = material.refractionRatio; + + } + + function refreshUniformsLine( uniforms, material ) { + + uniforms.diffuse.value = 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 = material.color; + uniforms.opacity.value = material.opacity; + uniforms.size.value = material.size * _pixelRatio; + uniforms.scale.value = _height * 0.5; + + uniforms.map.value = material.map; + + if ( material.map !== null ) { + + var offset = material.map.offset; + var repeat = material.map.repeat; + + uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); + + } + + } + + function refreshUniformsFog( uniforms, fog ) { + + uniforms.fogColor.value = 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 = 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.normalMap ) { + + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); + + } + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + } + + function refreshUniformsToon( uniforms, material ) { + + refreshUniformsPhong( uniforms, material ); + + if ( material.gradientMap ) { + + uniforms.gradientMap.value = material.gradientMap; + + } + + } + + function refreshUniformsStandard( uniforms, material ) { + + 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.normalMap ) { + + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); + + } + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + if ( material.envMap ) { + + //uniforms.envMap.value = material.envMap; // part of uniforms common + uniforms.envMapIntensity.value = material.envMapIntensity; + + } + + } + + function refreshUniformsPhysical( uniforms, material ) { + + uniforms.clearCoat.value = material.clearCoat; + uniforms.clearCoatRoughness.value = material.clearCoatRoughness; + + refreshUniformsStandard( uniforms, material ); + + } + + function refreshUniformsNormal( uniforms, material ) { + + if ( material.bumpMap ) { + + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; + + } + + if ( material.normalMap ) { + + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); + + } + + 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.directionalLights.needsUpdate = value; + uniforms.pointLights.needsUpdate = value; + uniforms.spotLights.needsUpdate = value; + uniforms.rectAreaLights.needsUpdate = value; + uniforms.hemisphereLights.needsUpdate = value; + + } + + // Lighting + + function setupShadows( lights ) { + + var lightShadowsLength = 0; + + for ( var i = 0, l = lights.length; i < l; i ++ ) { + + var light = lights[ i ]; + + if ( light.castShadow ) { + + _lights.shadows[ lightShadowsLength ++ ] = light; + + } + + } + + _lights.shadows.length = lightShadowsLength; + + } + + function setupLights( lights, camera ) { + + var l, ll, light, + r = 0, g = 0, b = 0, + color, + intensity, + distance, + shadowMap, + + viewMatrix = camera.matrixWorldInverse, + + directionalLength = 0, + pointLength = 0, + spotLength = 0, + rectAreaLength = 0, + hemiLength = 0; + + for ( l = 0, ll = lights.length; l < ll; l ++ ) { + + light = lights[ l ]; + + color = light.color; + intensity = light.intensity; + distance = light.distance; + + 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.isDirectionalLight ) { + + var uniforms = lightCache.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 ); + + uniforms.shadow = light.castShadow; + + if ( light.castShadow ) { + + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; + + } + + _lights.directionalShadowMap[ directionalLength ] = shadowMap; + _lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix; + _lights.directional[ directionalLength ++ ] = uniforms; + + } else if ( light.isSpotLight ) { + + var uniforms = lightCache.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.distance === 0 ) ? 0.0 : light.decay; + + uniforms.shadow = light.castShadow; + + if ( light.castShadow ) { + + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; + + } + + _lights.spotShadowMap[ spotLength ] = shadowMap; + _lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix; + _lights.spot[ spotLength ++ ] = uniforms; + + } else if ( light.isRectAreaLight ) { + + var uniforms = lightCache.get( light ); + + // (a) intensity controls irradiance of entire light + uniforms.color + .copy( color ) + .multiplyScalar( intensity / ( light.width * light.height ) ); + + // (b) intensity controls the radiance per light area + // 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; + + _lights.rectArea[ rectAreaLength ++ ] = uniforms; + + } else if ( light.isPointLight ) { + + var uniforms = lightCache.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.distance === 0 ) ? 0.0 : light.decay; + + uniforms.shadow = light.castShadow; + + if ( light.castShadow ) { + + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; + + } + + _lights.pointShadowMap[ pointLength ] = shadowMap; + + if ( _lights.pointShadowMatrix[ pointLength ] === undefined ) { + + _lights.pointShadowMatrix[ pointLength ] = new Matrix4(); + + } + + // for point lights we set the shadow matrix to be a translation-only matrix + // equal to inverse of the light's position + _vector3.setFromMatrixPosition( light.matrixWorld ).negate(); + _lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 ); + + _lights.point[ pointLength ++ ] = uniforms; + + } else if ( light.isHemisphereLight ) { + + var uniforms = lightCache.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 ); + + _lights.hemi[ hemiLength ++ ] = uniforms; + + } + + } + + _lights.ambient[ 0 ] = r; + _lights.ambient[ 1 ] = g; + _lights.ambient[ 2 ] = b; + + _lights.directional.length = directionalLength; + _lights.spot.length = spotLength; + _lights.rectArea.length = rectAreaLength; + _lights.point.length = pointLength; + _lights.hemi.length = hemiLength; + + // TODO (sam-g-steel) why aren't we using join + _lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + rectAreaLength + ',' + hemiLength + ',' + _lights.shadows.length; + + } + + // GL state setting + + this.setFaceCulling = function ( cullFace, frontFaceDirection ) { + + state.setCullFace( cullFace ); + state.setFlipSided( frontFaceDirection === FrontFaceDirectionCW ); + + }; + + // Textures + + function allocTextureUnit() { + + var textureUnit = _usedTextureUnits; + + if ( textureUnit >= capabilities.maxTextures ) { + + console.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures ); + + } + + _usedTextureUnits += 1; + + return textureUnit; + + } + + this.allocTextureUnit = allocTextureUnit; + + // this.setTexture2D = setTexture2D; + this.setTexture2D = ( function() { + + var warned = false; + + // backwards compatibility: peel texture.texture + return function setTexture2D( texture, slot ) { + + if ( texture && texture.isWebGLRenderTarget ) { + + if ( ! warned ) { + + console.warn( "THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead." ); + warned = true; + + } + + texture = texture.texture; + + } + + textures.setTexture2D( texture, slot ); + + }; + + }() ); + + this.setTexture = ( function() { + + var warned = false; + + return function setTexture( texture, slot ) { + + if ( ! warned ) { + + console.warn( "THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead." ); + warned = true; + + } + + textures.setTexture2D( texture, slot ); + + }; + + }() ); + + this.setTextureCube = ( function() { + + var warned = false; + + return function setTextureCube( texture, slot ) { + + // backwards compatibility: peel texture.texture + if ( texture && texture.isWebGLRenderTargetCube ) { + + if ( ! warned ) { + + console.warn( "THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead." ); + warned = true; + + } + + texture = texture.texture; + + } + + // currently relying on the fact that WebGLRenderTargetCube.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 + textures.setTextureCube( texture, slot ); + + } else { + + // assumed: texture property of THREE.WebGLRenderTargetCube + + textures.setTextureCubeDynamic( texture, slot ); + + } + + }; + + }() ); + + this.getCurrentRenderTarget = function() { + + return _currentRenderTarget; + + }; + + this.setRenderTarget = function ( renderTarget ) { + + _currentRenderTarget = renderTarget; + + if ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) { + + textures.setupRenderTarget( renderTarget ); + + } + + var isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube ); + var framebuffer; + + if ( renderTarget ) { + + var renderTargetProperties = properties.get( renderTarget ); + + if ( isCube ) { + + framebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ]; + + } else { + + framebuffer = renderTargetProperties.__webglFramebuffer; + + } + + _currentScissor.copy( renderTarget.scissor ); + _currentScissorTest = renderTarget.scissorTest; + + _currentViewport.copy( renderTarget.viewport ); + + } else { + + framebuffer = null; + + _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ); + _currentScissorTest = _scissorTest; + + _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ); + + } + + if ( _currentFramebuffer !== framebuffer ) { + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + _currentFramebuffer = framebuffer; + + } + + state.scissor( _currentScissor ); + state.setScissorTest( _currentScissorTest ); + + state.viewport( _currentViewport ); + + if ( isCube ) { + + var textureProperties = properties.get( renderTarget.texture ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel ); + + } + + }; + + this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) { + + if ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' ); + return; + + } + + var framebuffer = properties.get( renderTarget ).__webglFramebuffer; + + if ( framebuffer ) { + + var restore = false; + + if ( framebuffer !== _currentFramebuffer ) { + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + + restore = true; + + } + + try { + + var texture = renderTarget.texture; + var textureFormat = texture.format; + var textureType = texture.type; + + if ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' ); + return; + + } + + if ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513) + ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox + ! ( textureType === HalfFloatType && 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( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) { + + // 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, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer ); + + } + + } else { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' ); + + } + + } finally { + + if ( restore ) { + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer ); + + } + + } + + } + + }; + + // Map three.js constants to WebGL constants + + function paramThreeToGL( p ) { + + var extension; + + if ( p === RepeatWrapping ) return _gl.REPEAT; + if ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE; + if ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT; + + if ( p === NearestFilter ) return _gl.NEAREST; + if ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST; + if ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR; + + if ( p === LinearFilter ) return _gl.LINEAR; + if ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST; + if ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR; + + if ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE; + if ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4; + if ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1; + if ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5; + + if ( p === ByteType ) return _gl.BYTE; + if ( p === ShortType ) return _gl.SHORT; + if ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT; + if ( p === IntType ) return _gl.INT; + if ( p === UnsignedIntType ) return _gl.UNSIGNED_INT; + if ( p === FloatType ) return _gl.FLOAT; + + if ( p === HalfFloatType ) { + + extension = extensions.get( 'OES_texture_half_float' ); + + if ( extension !== null ) return extension.HALF_FLOAT_OES; + + } + + if ( p === AlphaFormat ) return _gl.ALPHA; + if ( p === RGBFormat ) return _gl.RGB; + if ( p === RGBAFormat ) return _gl.RGBA; + if ( p === LuminanceFormat ) return _gl.LUMINANCE; + if ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA; + if ( p === DepthFormat ) return _gl.DEPTH_COMPONENT; + if ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL; + + if ( p === AddEquation ) return _gl.FUNC_ADD; + if ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT; + if ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT; + + if ( p === ZeroFactor ) return _gl.ZERO; + if ( p === OneFactor ) return _gl.ONE; + if ( p === SrcColorFactor ) return _gl.SRC_COLOR; + if ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR; + if ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA; + if ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA; + if ( p === DstAlphaFactor ) return _gl.DST_ALPHA; + if ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA; + + if ( p === DstColorFactor ) return _gl.DST_COLOR; + if ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR; + if ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE; + + 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; + + } + + } + + 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; + + } + + } + + if ( p === RGB_ETC1_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_etc1' ); + + if ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL; + + } + + if ( p === MinEquation || p === MaxEquation ) { + + extension = extensions.get( 'EXT_blend_minmax' ); + + if ( extension !== null ) { + + if ( p === MinEquation ) return extension.MIN_EXT; + if ( p === MaxEquation ) return extension.MAX_EXT; + + } + + } + + if ( p === UnsignedInt248Type ) { + + extension = extensions.get( 'WEBGL_depth_texture' ); + + if ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL; + + } + + return 0; + + } + +} + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function Scene () { + + Object3D.call( this ); + + this.type = 'Scene'; + + this.background = null; + this.fog = null; + this.overrideMaterial = null; + + this.autoUpdate = true; // checked by the renderer + +} + +Scene.prototype = Object.create( Object3D.prototype ); + +Scene.prototype.constructor = Scene; + +Scene.prototype.copy = function ( source, recursive ) { + + Object3D.prototype.copy.call( this, source, recursive ); + + if ( source.background !== null ) this.background = source.background.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; + +}; + +Scene.prototype.toJSON = function ( meta ) { + + var data = Object3D.prototype.toJSON.call( this, meta ); + + if ( this.background !== null ) data.object.background = this.background.toJSON( meta ); + if ( this.fog !== null ) data.object.fog = this.fog.toJSON(); + + return data; + +}; + +/** + * @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.generateMipmaps = false; + + var scope = this; + + function update() { + + requestAnimationFrame( update ); + + if ( video.readyState >= video.HAVE_CURRENT_DATA ) { + + scope.needsUpdate = true; + + } + + } + + update(); + +} + +VideoTexture.prototype = Object.create( Texture.prototype ); +VideoTexture.prototype.constructor = VideoTexture; + +/** + * @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, itemsLoaded = 0, itemsTotal = 0; + + 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 ); + + } + + }; + +} + +var DefaultLoadingManager = new LoadingManager(); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function ImageLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + +} + +Object.assign( ImageLoader.prototype, { + + load: function ( url, onLoad, onProgress, onError ) { + + if ( url === undefined ) url = ''; + + if ( this.path !== undefined ) url = this.path + 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' ); + + image.addEventListener( 'load', function () { + + Cache.add( url, this ); + + if ( onLoad ) onLoad( this ); + + scope.manager.itemEnd( url ); + + }, false ); + + /* + image.addEventListener( 'progress', function ( event ) { + + if ( onProgress ) onProgress( event ); + + }, false ); + */ + + image.addEventListener( 'error', function ( event ) { + + if ( onError ) onError( event ); + + scope.manager.itemError( url ); + + }, false ); + + if ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin; + + scope.manager.itemStart( url ); + + image.src = url; + + return image; + + }, + + setCrossOrigin: function ( value ) { + + this.crossOrigin = value; + return this; + + }, + + setPath: function ( value ) { + + this.path = value; + return this; + + } + +} ); + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +function TextureLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + +} + +Object.assign( TextureLoader.prototype, { + + 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 ) { + + // JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB. + var isJPEG = url.search( /\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\:image\/jpeg/ ) === 0; + + texture.format = isJPEG ? RGBFormat : RGBAFormat; + texture.image = image; + texture.needsUpdate = true; + + if ( onLoad !== undefined ) { + + onLoad( texture ); + + } + + }, onProgress, onError ); + + return texture; + + }, + + setCrossOrigin: function ( value ) { + + this.crossOrigin = value; + return this; + + }, + + setPath: function ( value ) { + + this.path = value; + 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.params = { + Mesh: {}, + Line: {}, + 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.visible === false ) return; + + 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 ); + + } + + } + +} + +// + +Raycaster.prototype = { + + constructor: Raycaster, + + linePrecision: 1, + + 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(); + + } 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 ); + + } else { + + console.error( 'THREE.Raycaster: Unsupported camera type.' ); + + } + + }, + + intersectObject: function ( object, recursive ) { + + var intersects = []; + + intersectObject( object, this, intersects, recursive ); + + intersects.sort( ascSort ); + + return intersects; + + }, + + intersectObjects: function ( objects, recursive ) { + + var intersects = []; + + 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 oosmoxiecode + * @author mrdoob / http://mrdoob.com/ + * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888 + */ + +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 ) ); + +} + +TorusGeometry.prototype = Object.create( Geometry.prototype ); +TorusGeometry.prototype.constructor = TorusGeometry; + +/** + * @author Mugen87 / https://github.com/Mugen87 + */ + +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 || 100; + tube = tube || 40; + 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.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + +} + +TorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +TorusBufferGeometry.prototype.constructor = TorusBufferGeometry; + +/** + * @author mrdoob / http://mrdoob.com/ + */ + +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 ) ); + +} + +SphereGeometry.prototype = Object.create( Geometry.prototype ); +SphereGeometry.prototype.constructor = SphereGeometry; + +/** + * @author benaadams / https://twitter.com/ben_a_adams + * @author Mugen87 / https://github.com/Mugen87 + */ + +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 || 50; + + 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 = thetaStart + thetaLength; + + 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; + + 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.set( vertex.x, vertex.y, vertex.z ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( u, 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.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + +} + +SphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +SphereBufferGeometry.prototype.constructor = SphereBufferGeometry; + +/** + * @author hughes + */ + +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 ) ); + +} + +CircleGeometry.prototype = Object.create( Geometry.prototype ); +CircleGeometry.prototype.constructor = CircleGeometry; + +/** + * @author benaadams / https://twitter.com/ben_a_adams + * @author Mugen87 / https://github.com/Mugen87 + */ + +function CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) { + + BufferGeometry.call( this ); + + this.type = 'CircleBufferGeometry'; + + this.parameters = { + radius: radius, + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + radius = radius || 50; + 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.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + +} + +CircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +CircleBufferGeometry.prototype.constructor = CircleBufferGeometry; + +/** + * @author Kaleb Murphy + */ + +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 ) ); + +} + +RingGeometry.prototype = Object.create( Geometry.prototype ); +RingGeometry.prototype.constructor = RingGeometry; + +/** + * @author Mugen87 / https://github.com/Mugen87 + */ + +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 || 20; + outerRadius = outerRadius || 50; + + 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.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + +} + +RingBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); +RingBufferGeometry.prototype.constructor = RingBufferGeometry; + +/** + * @author dmarcos / https://github.com/dmarcos + * @author mrdoob / http://mrdoob.com + */ + +THREE.VRControls = function ( object, onError ) { + + var scope = this; + + var vrDisplay, vrDisplays; + + var standingMatrix = new THREE.Matrix4(); + + var frameData = null; + + if ( 'VRFrameData' in window ) { + + frameData = new VRFrameData(); + + } + + function gotVRDisplays( displays ) { + + vrDisplays = displays; + + if ( displays.length > 0 ) { + + vrDisplay = displays[ 0 ]; + + } else { + + if ( onError ) onError( 'VR input not available.' ); + + } + + } + + if ( navigator.getVRDisplays ) { + + navigator.getVRDisplays().then( gotVRDisplays ).catch ( function () { + + console.warn( 'THREE.VRControls: Unable to get VR Displays' ); + + } ); + + } + + // the Rift SDK returns the position in meters + // this scale factor allows the user to define how meters + // are converted to scene units. + + this.scale = 1; + + // If true will use "standing space" coordinate system where y=0 is the + // floor and x=0, z=0 is the center of the room. + this.standing = false; + + // Distance from the users eyes to the floor in meters. Used when + // standing=true but the VRDisplay doesn't provide stageParameters. + this.userHeight = 1.6; + + this.getVRDisplay = function () { + + return vrDisplay; + + }; + + this.setVRDisplay = function ( value ) { + + vrDisplay = value; + + }; + + this.getVRDisplays = function () { + + console.warn( 'THREE.VRControls: getVRDisplays() is being deprecated.' ); + return vrDisplays; + + }; + + this.getStandingMatrix = function () { + + return standingMatrix; + + }; + + this.update = function () { + + if ( vrDisplay ) { + + var pose; + + if ( vrDisplay.getFrameData ) { + + vrDisplay.getFrameData( frameData ); + pose = frameData.pose; + + } else if ( vrDisplay.getPose ) { + + pose = vrDisplay.getPose(); + + } + + if ( pose.orientation !== null ) { + + object.quaternion.fromArray( pose.orientation ); + + } + + if ( pose.position !== null ) { + + object.position.fromArray( pose.position ); + + } else { + + object.position.set( 0, 0, 0 ); + + } + + if ( this.standing ) { + + if ( vrDisplay.stageParameters ) { + + object.updateMatrix(); + + standingMatrix.fromArray( vrDisplay.stageParameters.sittingToStandingTransform ); + object.applyMatrix( standingMatrix ); + + } else { + + object.position.setY( object.position.y + this.userHeight ); + + } + + } + + object.position.multiplyScalar( scope.scale ); + + } + + }; + + this.resetPose = function () { + + if ( vrDisplay ) { + + vrDisplay.resetPose(); + + } + + }; + + this.resetSensor = function () { + + console.warn( 'THREE.VRControls: .resetSensor() is now .resetPose().' ); + this.resetPose(); + + }; + + this.zeroSensor = function () { + + console.warn( 'THREE.VRControls: .zeroSensor() is now .resetPose().' ); + this.resetPose(); + + }; + + this.dispose = function () { + + vrDisplay = null; + + }; + +}; + +/** + * @author dmarcos / https://github.com/dmarcos + * @author mrdoob / http://mrdoob.com + * + * WebVR Spec: http://mozvr.github.io/webvr-spec/webvr.html + * + * Firefox: http://mozvr.com/downloads/ + * Chromium: https://webvr.info/get-chrome + * + */ + +THREE.VREffect = function( renderer, onError ) { + + var vrDisplay, vrDisplays; + var eyeTranslationL = new THREE.Vector3(); + var eyeTranslationR = new THREE.Vector3(); + var renderRectL, renderRectR; + + var frameData = null; + + if ( 'VRFrameData' in window ) { + + frameData = new window.VRFrameData(); + + } + + function gotVRDisplays( displays ) { + + vrDisplays = displays; + + if ( displays.length > 0 ) { + + vrDisplay = displays[ 0 ]; + + } else { + + if ( onError ) onError( 'HMD not available' ); + + } + + } + + if ( navigator.getVRDisplays ) { + + navigator.getVRDisplays().then( gotVRDisplays ).catch( function() { + + console.warn( 'THREE.VREffect: Unable to get VR Displays' ); + + } ); + + } + + // + + this.isPresenting = false; + this.scale = 1; + + var scope = this; + + var rendererSize = renderer.getSize(); + var rendererUpdateStyle = false; + var rendererPixelRatio = renderer.getPixelRatio(); + + this.getVRDisplay = function() { + + return vrDisplay; + + }; + + this.setVRDisplay = function( value ) { + + vrDisplay = value; + + }; + + this.getVRDisplays = function() { + + console.warn( 'THREE.VREffect: getVRDisplays() is being deprecated.' ); + return vrDisplays; + + }; + + this.setSize = function( width, height, updateStyle ) { + + rendererSize = { width: width, height: height }; + rendererUpdateStyle = updateStyle; + + if ( scope.isPresenting ) { + + var eyeParamsL = vrDisplay.getEyeParameters( 'left' ); + renderer.setPixelRatio( 1 ); + renderer.setSize( eyeParamsL.renderWidth * 2, eyeParamsL.renderHeight, false ); + + } else { + + renderer.setPixelRatio( rendererPixelRatio ); + renderer.setSize( width, height, updateStyle ); + + } + + }; + + // VR presentation + + var canvas = renderer.domElement; + var defaultLeftBounds = [ 0.0, 0.0, 0.5, 1.0 ]; + var defaultRightBounds = [ 0.5, 0.0, 0.5, 1.0 ]; + + function onVRDisplayPresentChange() { + + var wasPresenting = scope.isPresenting; + scope.isPresenting = vrDisplay !== undefined && vrDisplay.isPresenting; + + if ( scope.isPresenting ) { + + var eyeParamsL = vrDisplay.getEyeParameters( 'left' ); + var eyeWidth = eyeParamsL.renderWidth; + var eyeHeight = eyeParamsL.renderHeight; + + if ( ! wasPresenting ) { + + rendererPixelRatio = renderer.getPixelRatio(); + rendererSize = renderer.getSize(); + + renderer.setPixelRatio( 1 ); + renderer.setSize( eyeWidth * 2, eyeHeight, false ); + + } + + } else if ( wasPresenting ) { + + renderer.setPixelRatio( rendererPixelRatio ); + renderer.setSize( rendererSize.width, rendererSize.height, rendererUpdateStyle ); + + } + + } + + window.addEventListener( 'vrdisplaypresentchange', onVRDisplayPresentChange, false ); + + this.setFullScreen = function( boolean ) { + + return new Promise( function( resolve, reject ) { + + if ( vrDisplay === undefined ) { + + reject( new Error( 'No VR hardware found.' ) ); + return; + + } + + if ( scope.isPresenting === boolean ) { + + resolve(); + return; + + } + + if ( boolean ) { + + resolve( vrDisplay.requestPresent( [ { source: canvas } ] ) ); + + } else { + + resolve( vrDisplay.exitPresent() ); + + } + + } ); + + }; + + this.requestPresent = function() { + + return this.setFullScreen( true ); + + }; + + this.exitPresent = function() { + + return this.setFullScreen( false ); + + }; + + this.requestAnimationFrame = function( f ) { + + if ( vrDisplay !== undefined ) { + + return vrDisplay.requestAnimationFrame( f ); + + } else { + + return window.requestAnimationFrame( f ); + + } + + }; + + this.cancelAnimationFrame = function( h ) { + + if ( vrDisplay !== undefined ) { + + vrDisplay.cancelAnimationFrame( h ); + + } else { + + window.cancelAnimationFrame( h ); + + } + + }; + + this.submitFrame = function() { + + if ( vrDisplay !== undefined && scope.isPresenting ) { + + vrDisplay.submitFrame(); + + } + + }; + + this.autoSubmitFrame = true; + + // render + + var cameraL = new THREE.PerspectiveCamera(); + cameraL.layers.enable( 1 ); + + var cameraR = new THREE.PerspectiveCamera(); + cameraR.layers.enable( 2 ); + + this.render = function( scene, camera, renderTarget, forceClear ) { + + if ( vrDisplay && scope.isPresenting ) { + + var autoUpdate = scene.autoUpdate; + + if ( autoUpdate ) { + + scene.updateMatrixWorld(); + scene.autoUpdate = false; + + } + + var eyeParamsL = vrDisplay.getEyeParameters( 'left' ); + var eyeParamsR = vrDisplay.getEyeParameters( 'right' ); + + eyeTranslationL.fromArray( eyeParamsL.offset ); + eyeTranslationR.fromArray( eyeParamsR.offset ); + + if ( Array.isArray( scene ) ) { + + console.warn( 'THREE.VREffect.render() no longer supports arrays. Use object.layers instead.' ); + scene = scene[ 0 ]; + + } + + // When rendering we don't care what the recommended size is, only what the actual size + // of the backbuffer is. + var size = renderer.getSize(); + var layers = vrDisplay.getLayers(); + var leftBounds; + var rightBounds; + + if ( layers.length ) { + + var layer = layers[ 0 ]; + + leftBounds = layer.leftBounds !== null && layer.leftBounds.length === 4 ? layer.leftBounds : defaultLeftBounds; + rightBounds = layer.rightBounds !== null && layer.rightBounds.length === 4 ? layer.rightBounds : defaultRightBounds; + + } else { + + leftBounds = defaultLeftBounds; + rightBounds = defaultRightBounds; + + } + + renderRectL = { + x: Math.round( size.width * leftBounds[ 0 ] ), + y: Math.round( size.height * leftBounds[ 1 ] ), + width: Math.round( size.width * leftBounds[ 2 ] ), + height: Math.round( size.height * leftBounds[ 3 ] ) + }; + renderRectR = { + x: Math.round( size.width * rightBounds[ 0 ] ), + y: Math.round( size.height * rightBounds[ 1 ] ), + width: Math.round( size.width * rightBounds[ 2 ] ), + height: Math.round( size.height * rightBounds[ 3 ] ) + }; + + if ( renderTarget ) { + + renderer.setRenderTarget( renderTarget ); + renderTarget.scissorTest = true; + + } else { + + renderer.setRenderTarget( null ); + renderer.setScissorTest( true ); + + } + + if ( renderer.autoClear || forceClear ) renderer.clear(); + + if ( camera.parent === null ) camera.updateMatrixWorld(); + + camera.matrixWorld.decompose( cameraL.position, cameraL.quaternion, cameraL.scale ); + camera.matrixWorld.decompose( cameraR.position, cameraR.quaternion, cameraR.scale ); + + var scale = this.scale; + cameraL.translateOnAxis( eyeTranslationL, scale ); + cameraR.translateOnAxis( eyeTranslationR, scale ); + + if ( vrDisplay.getFrameData ) { + + vrDisplay.depthNear = camera.near; + vrDisplay.depthFar = camera.far; + + vrDisplay.getFrameData( frameData ); + + cameraL.projectionMatrix.elements = frameData.leftProjectionMatrix; + cameraR.projectionMatrix.elements = frameData.rightProjectionMatrix; + + } else { + + cameraL.projectionMatrix = fovToProjection( eyeParamsL.fieldOfView, true, camera.near, camera.far ); + cameraR.projectionMatrix = fovToProjection( eyeParamsR.fieldOfView, true, camera.near, camera.far ); + + } + + // render left eye + if ( renderTarget ) { + + renderTarget.viewport.set( renderRectL.x, renderRectL.y, renderRectL.width, renderRectL.height ); + renderTarget.scissor.set( renderRectL.x, renderRectL.y, renderRectL.width, renderRectL.height ); + + } else { + + renderer.setViewport( renderRectL.x, renderRectL.y, renderRectL.width, renderRectL.height ); + renderer.setScissor( renderRectL.x, renderRectL.y, renderRectL.width, renderRectL.height ); + + } + renderer.render( scene, cameraL, renderTarget, forceClear ); + + // render right eye + if ( renderTarget ) { + + renderTarget.viewport.set( renderRectR.x, renderRectR.y, renderRectR.width, renderRectR.height ); + renderTarget.scissor.set( renderRectR.x, renderRectR.y, renderRectR.width, renderRectR.height ); + + } else { + + renderer.setViewport( renderRectR.x, renderRectR.y, renderRectR.width, renderRectR.height ); + renderer.setScissor( renderRectR.x, renderRectR.y, renderRectR.width, renderRectR.height ); + + } + renderer.render( scene, cameraR, renderTarget, forceClear ); + + if ( renderTarget ) { + + renderTarget.viewport.set( 0, 0, size.width, size.height ); + renderTarget.scissor.set( 0, 0, size.width, size.height ); + renderTarget.scissorTest = false; + renderer.setRenderTarget( null ); + + } else { + + renderer.setViewport( 0, 0, size.width, size.height ); + renderer.setScissorTest( false ); + + } + + if ( autoUpdate ) { + + scene.autoUpdate = true; + + } + + if ( scope.autoSubmitFrame ) { + + scope.submitFrame(); + + } + + return; + + } + + // Regular render mode if not HMD + + renderer.render( scene, camera, renderTarget, forceClear ); + + }; + + this.dispose = function() { + + window.removeEventListener( 'vrdisplaypresentchange', onVRDisplayPresentChange, false ); + + }; + + // + + function fovToNDCScaleOffset( fov ) { + + var pxscale = 2.0 / ( fov.leftTan + fov.rightTan ); + var pxoffset = ( fov.leftTan - fov.rightTan ) * pxscale * 0.5; + var pyscale = 2.0 / ( fov.upTan + fov.downTan ); + var pyoffset = ( fov.upTan - fov.downTan ) * pyscale * 0.5; + return { scale: [ pxscale, pyscale ], offset: [ pxoffset, pyoffset ] }; + + } + + function fovPortToProjection( fov, rightHanded, zNear, zFar ) { + + rightHanded = rightHanded === undefined ? true : rightHanded; + zNear = zNear === undefined ? 0.01 : zNear; + zFar = zFar === undefined ? 10000.0 : zFar; + + var handednessScale = rightHanded ? - 1.0 : 1.0; + + // start with an identity matrix + var mobj = new THREE.Matrix4(); + var m = mobj.elements; + + // and with scale/offset info for normalized device coords + var scaleAndOffset = fovToNDCScaleOffset( fov ); + + // X result, map clip edges to [-w,+w] + m[ 0 * 4 + 0 ] = scaleAndOffset.scale[ 0 ]; + m[ 0 * 4 + 1 ] = 0.0; + m[ 0 * 4 + 2 ] = scaleAndOffset.offset[ 0 ] * handednessScale; + m[ 0 * 4 + 3 ] = 0.0; + + // Y result, map clip edges to [-w,+w] + // Y offset is negated because this proj matrix transforms from world coords with Y=up, + // but the NDC scaling has Y=down (thanks D3D?) + m[ 1 * 4 + 0 ] = 0.0; + m[ 1 * 4 + 1 ] = scaleAndOffset.scale[ 1 ]; + m[ 1 * 4 + 2 ] = - scaleAndOffset.offset[ 1 ] * handednessScale; + m[ 1 * 4 + 3 ] = 0.0; + + // Z result (up to the app) + m[ 2 * 4 + 0 ] = 0.0; + m[ 2 * 4 + 1 ] = 0.0; + m[ 2 * 4 + 2 ] = zFar / ( zNear - zFar ) * - handednessScale; + m[ 2 * 4 + 3 ] = ( zFar * zNear ) / ( zNear - zFar ); + + // W result (= Z in) + m[ 3 * 4 + 0 ] = 0.0; + m[ 3 * 4 + 1 ] = 0.0; + m[ 3 * 4 + 2 ] = handednessScale; + m[ 3 * 4 + 3 ] = 0.0; + + mobj.transpose(); + + return mobj; + + } + + function fovToProjection( fov, rightHanded, zNear, zFar ) { + + var DEG2RAD = Math.PI / 180.0; + + var fovPort = { + upTan: Math.tan( fov.upDegrees * DEG2RAD ), + downTan: Math.tan( fov.downDegrees * DEG2RAD ), + leftTan: Math.tan( fov.leftDegrees * DEG2RAD ), + rightTan: Math.tan( fov.rightDegrees * DEG2RAD ) + }; + + return fovPortToProjection( fovPort, rightHanded, zNear, zFar ); + + } + +}; + +exports.WebGLRenderer = WebGLRenderer; +exports.Scene = Scene; +exports.Mesh = Mesh; +exports.VideoTexture = VideoTexture; +exports.MeshBasicMaterial = MeshBasicMaterial; +exports.ShaderMaterial = ShaderMaterial; +exports.TextureLoader = TextureLoader; +exports.PerspectiveCamera = PerspectiveCamera; +exports.Object3D = Object3D; +exports.Raycaster = Raycaster; +exports.Math = _Math; +exports.Quaternion = Quaternion; +exports.Euler = Euler; +exports.Matrix4 = Matrix4; +exports.Matrix3 = Matrix3; +exports.Vector4 = Vector4; +exports.Vector3 = Vector3; +exports.Vector2 = Vector2; +exports.Color = Color; +exports.TorusGeometry = TorusGeometry; +exports.SphereGeometry = SphereGeometry; +exports.CircleGeometry = CircleGeometry; +exports.RingGeometry = RingGeometry; +exports.REVISION = REVISION; +exports.MOUSE = MOUSE; +exports.CullFaceNone = CullFaceNone; +exports.CullFaceBack = CullFaceBack; +exports.CullFaceFront = CullFaceFront; +exports.CullFaceFrontBack = CullFaceFrontBack; +exports.FrontFaceDirectionCW = FrontFaceDirectionCW; +exports.FrontFaceDirectionCCW = FrontFaceDirectionCCW; +exports.BasicShadowMap = BasicShadowMap; +exports.PCFShadowMap = PCFShadowMap; +exports.PCFSoftShadowMap = PCFSoftShadowMap; +exports.FrontSide = FrontSide; +exports.BackSide = BackSide; +exports.DoubleSide = DoubleSide; +exports.FlatShading = FlatShading; +exports.SmoothShading = SmoothShading; +exports.NoColors = NoColors; +exports.FaceColors = FaceColors; +exports.VertexColors = VertexColors; +exports.NoBlending = NoBlending; +exports.NormalBlending = NormalBlending; +exports.AdditiveBlending = AdditiveBlending; +exports.SubtractiveBlending = SubtractiveBlending; +exports.MultiplyBlending = MultiplyBlending; +exports.CustomBlending = CustomBlending; +exports.AddEquation = AddEquation; +exports.SubtractEquation = SubtractEquation; +exports.ReverseSubtractEquation = ReverseSubtractEquation; +exports.MinEquation = MinEquation; +exports.MaxEquation = MaxEquation; +exports.ZeroFactor = ZeroFactor; +exports.OneFactor = OneFactor; +exports.SrcColorFactor = SrcColorFactor; +exports.OneMinusSrcColorFactor = OneMinusSrcColorFactor; +exports.SrcAlphaFactor = SrcAlphaFactor; +exports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor; +exports.DstAlphaFactor = DstAlphaFactor; +exports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor; +exports.DstColorFactor = DstColorFactor; +exports.OneMinusDstColorFactor = OneMinusDstColorFactor; +exports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor; +exports.NeverDepth = NeverDepth; +exports.AlwaysDepth = AlwaysDepth; +exports.LessDepth = LessDepth; +exports.LessEqualDepth = LessEqualDepth; +exports.EqualDepth = EqualDepth; +exports.GreaterEqualDepth = GreaterEqualDepth; +exports.GreaterDepth = GreaterDepth; +exports.NotEqualDepth = NotEqualDepth; +exports.MultiplyOperation = MultiplyOperation; +exports.MixOperation = MixOperation; +exports.AddOperation = AddOperation; +exports.NoToneMapping = NoToneMapping; +exports.LinearToneMapping = LinearToneMapping; +exports.ReinhardToneMapping = ReinhardToneMapping; +exports.Uncharted2ToneMapping = Uncharted2ToneMapping; +exports.CineonToneMapping = CineonToneMapping; +exports.UVMapping = UVMapping; +exports.CubeReflectionMapping = CubeReflectionMapping; +exports.CubeRefractionMapping = CubeRefractionMapping; +exports.EquirectangularReflectionMapping = EquirectangularReflectionMapping; +exports.EquirectangularRefractionMapping = EquirectangularRefractionMapping; +exports.SphericalReflectionMapping = SphericalReflectionMapping; +exports.CubeUVReflectionMapping = CubeUVReflectionMapping; +exports.CubeUVRefractionMapping = CubeUVRefractionMapping; +exports.RepeatWrapping = RepeatWrapping; +exports.ClampToEdgeWrapping = ClampToEdgeWrapping; +exports.MirroredRepeatWrapping = MirroredRepeatWrapping; +exports.NearestFilter = NearestFilter; +exports.NearestMipMapNearestFilter = NearestMipMapNearestFilter; +exports.NearestMipMapLinearFilter = NearestMipMapLinearFilter; +exports.LinearFilter = LinearFilter; +exports.LinearMipMapNearestFilter = LinearMipMapNearestFilter; +exports.LinearMipMapLinearFilter = LinearMipMapLinearFilter; +exports.UnsignedByteType = UnsignedByteType; +exports.ByteType = ByteType; +exports.ShortType = ShortType; +exports.UnsignedShortType = UnsignedShortType; +exports.IntType = IntType; +exports.UnsignedIntType = UnsignedIntType; +exports.FloatType = FloatType; +exports.HalfFloatType = HalfFloatType; +exports.UnsignedShort4444Type = UnsignedShort4444Type; +exports.UnsignedShort5551Type = UnsignedShort5551Type; +exports.UnsignedShort565Type = UnsignedShort565Type; +exports.UnsignedInt248Type = UnsignedInt248Type; +exports.AlphaFormat = AlphaFormat; +exports.RGBFormat = RGBFormat; +exports.RGBAFormat = RGBAFormat; +exports.LuminanceFormat = LuminanceFormat; +exports.LuminanceAlphaFormat = LuminanceAlphaFormat; +exports.RGBEFormat = RGBEFormat; +exports.DepthFormat = DepthFormat; +exports.DepthStencilFormat = DepthStencilFormat; +exports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format; +exports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format; +exports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format; +exports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format; +exports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format; +exports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format; +exports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format; +exports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format; +exports.RGB_ETC1_Format = RGB_ETC1_Format; +exports.LoopOnce = LoopOnce; +exports.LoopRepeat = LoopRepeat; +exports.LoopPingPong = LoopPingPong; +exports.InterpolateDiscrete = InterpolateDiscrete; +exports.InterpolateLinear = InterpolateLinear; +exports.InterpolateSmooth = InterpolateSmooth; +exports.ZeroCurvatureEnding = ZeroCurvatureEnding; +exports.ZeroSlopeEnding = ZeroSlopeEnding; +exports.WrapAroundEnding = WrapAroundEnding; +exports.TrianglesDrawMode = TrianglesDrawMode; +exports.TriangleStripDrawMode = TriangleStripDrawMode; +exports.TriangleFanDrawMode = TriangleFanDrawMode; +exports.LinearEncoding = LinearEncoding; +exports.sRGBEncoding = sRGBEncoding; +exports.GammaEncoding = GammaEncoding; +exports.RGBEEncoding = RGBEEncoding; +exports.LogLuvEncoding = LogLuvEncoding; +exports.RGBM7Encoding = RGBM7Encoding; +exports.RGBM16Encoding = RGBM16Encoding; +exports.RGBDEncoding = RGBDEncoding; +exports.BasicDepthPacking = BasicDepthPacking; +exports.RGBADepthPacking = RGBADepthPacking; + +Object.defineProperty(exports, '__esModule', { value: true }); + + +Object.defineProperty( exports, 'AudioContext', { + get: function () { + return exports.getAudioContext(); + } +}); + +}))); diff --git a/build/three.min.js b/build/three.min.js new file mode 100644 index 00000000..8c56631c --- /dev/null +++ b/build/three.min.js @@ -0,0 +1,511 @@ +(function(l,aa){"object"===typeof exports&&"undefined"!==typeof module?aa(exports):"function"===typeof define&&define.amd?define(["exports"],aa):aa(l.THREE=l.THREE||{})})(this,function(l){function aa(a,b,c,d){this._x=a||0;this._y=b||0;this._z=c||0;this._w=void 0!==d?d:1}function m(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0}function I(){this.elements=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]);0=d||0 0 ) {\nfloat depth = gl_FragCoord.z / gl_FragCoord.w;\nfloat fogFactor = 0.0;\nif ( fogType == 1 ) {\nfogFactor = smoothstep( fogNear, fogFar, depth );\n} else {\nconst float LOG2 = 1.442695;\nfogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );\nfogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );\n}\ngl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );\n}\n}"].join("\n")); +t.compileShader(O);t.compileShader(D);t.attachShader(L,O);t.attachShader(L,D);t.linkProgram(L);E=L;v=t.getAttribLocation(E,"position");y=t.getAttribLocation(E,"uv");c=t.getUniformLocation(E,"uvOffset");d=t.getUniformLocation(E,"uvScale");e=t.getUniformLocation(E,"rotation");f=t.getUniformLocation(E,"scale");g=t.getUniformLocation(E,"color");h=t.getUniformLocation(E,"map");k=t.getUniformLocation(E,"opacity");n=t.getUniformLocation(E,"modelViewMatrix");B=t.getUniformLocation(E,"projectionMatrix");r= +t.getUniformLocation(E,"fogType");p=t.getUniformLocation(E,"fogDensity");q=t.getUniformLocation(E,"fogNear");l=t.getUniformLocation(E,"fogFar");w=t.getUniformLocation(E,"fogColor");z=t.getUniformLocation(E,"alphaTest");L=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");L.width=8;L.height=8;O=L.getContext("2d");O.fillStyle="white";O.fillRect(0,0,8,8);J=new ga(L);J.needsUpdate=!0}t.useProgram(E);U.initAttributes();U.enableAttribute(v);U.enableAttribute(y);U.disableUnusedAttributes(); 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+void 0!==a?a:Sb}function vb(a,b,c,d){this.ray=new Pa(a,b);this.near=c||0;this.far=d||Infinity;this.params={Mesh:{},Line:{},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 Ub(a,b){return a.distance-b.distance}function wb(a,b,c,d){if(!1!==a.visible&&(a.raycast(b,c),!0===d)){a=a.children;d=0;for(var e=a.length;da?-1:0e;e++)8===e||13===e||18===e||23===e?b[e]="-":14===e?b[e]="4":(2>=c&&(c=33554432+16777216*Math.random()|0),d=c&15,c>>=4,b[e]=a[19===e?d&3|8:d]);return b.join("")}}(),clamp:function(a,b,c){return Math.max(b,Math.min(c,a))},euclideanModulo:function(a,b){return(a%b+b)%b},mapLinear:function(a,b,c,d,e){return d+(a-b)*(e-d)/(c- +b)},lerp:function(a,b,c){return(1-c)*a+c*b},smoothstep:function(a,b,c){if(a<=b)return 0;if(a>=c)return 1;a=(a-b)/(c-b);return a*a*(3-2*a)},smootherstep:function(a,b,c){if(a<=b)return 0;if(a>=c)return 1;a=(a-b)/(c-b);return a*a*a*(a*(6*a-15)+10)},randInt:function(a,b){return a+Math.floor(Math.random()*(b-a+1))},randFloat:function(a,b){return a+Math.random()*(b-a)},randFloatSpread:function(a){return a*(.5-Math.random())},degToRad:function(a){return a*P.DEG2RAD},radToDeg:function(a){return a*P.RAD2DEG}, +isPowerOfTwo:function(a){return 0===(a&a-1)&&0!==a},nearestPowerOfTwo:function(a){return Math.pow(2,Math.round(Math.log(a)/Math.LN2))},nextPowerOfTwo:function(a){a--;a|=a>>1;a|=a>>2;a|=a>>4;a|=a>>8;a|=a>>16;a++;return a}};aa.prototype={constructor:aa,get x(){return this._x},set x(a){this._x=a;this.onChangeCallback()},get y(){return this._y},set y(a){this._y=a;this.onChangeCallback()},get z(){return this._z},set z(a){this._z=a;this.onChangeCallback()},get w(){return this._w},set w(a){this._w=a;this.onChangeCallback()}, +set:function(a,b,c,d){this._x=a;this._y=b;this._z=c;this._w=d;this.onChangeCallback();return this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},copy:function(a){this._x=a.x;this._y=a.y;this._z=a.z;this._w=a.w;this.onChangeCallback();return this},setFromEuler:function(a,b){if(!1===(a&&a.isEuler))throw Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var c=Math.cos(a._x/2),d=Math.cos(a._y/2),e=Math.cos(a._z/2), +f=Math.sin(a._x/2),g=Math.sin(a._y/2),h=Math.sin(a._z/2),k=a.order;"XYZ"===k?(this._x=f*d*e+c*g*h,this._y=c*g*e-f*d*h,this._z=c*d*h+f*g*e,this._w=c*d*e-f*g*h):"YXZ"===k?(this._x=f*d*e+c*g*h,this._y=c*g*e-f*d*h,this._z=c*d*h-f*g*e,this._w=c*d*e+f*g*h):"ZXY"===k?(this._x=f*d*e-c*g*h,this._y=c*g*e+f*d*h,this._z=c*d*h+f*g*e,this._w=c*d*e-f*g*h):"ZYX"===k?(this._x=f*d*e-c*g*h,this._y=c*g*e+f*d*h,this._z=c*d*h-f*g*e,this._w=c*d*e+f*g*h):"YZX"===k?(this._x=f*d*e+c*g*h,this._y=c*g*e+f*d*h,this._z=c*d*h-f* +g*e,this._w=c*d*e-f*g*h):"XZY"===k&&(this._x=f*d*e-c*g*h,this._y=c*g*e-f*d*h,this._z=c*d*h+f*g*e,this._w=c*d*e+f*g*h);if(!1!==b)this.onChangeCallback();return this},setFromAxisAngle:function(a,b){var c=b/2,d=Math.sin(c);this._x=a.x*d;this._y=a.y*d;this._z=a.z*d;this._w=Math.cos(c);this.onChangeCallback();return this},setFromRotationMatrix:function(a){var b=a.elements,c=b[0];a=b[4];var d=b[8],e=b[1],f=b[5],g=b[9],h=b[2],k=b[6],b=b[10],n=c+f+b;0f&&c>b?(c=2*Math.sqrt(1+c-f-b),this._w=(k-g)/c,this._x=.25*c,this._y=(a+e)/c,this._z=(d+h)/c):f>b?(c=2*Math.sqrt(1+f-c-b),this._w=(d-h)/c,this._x=(a+e)/c,this._y=.25*c,this._z=(g+k)/c):(c=2*Math.sqrt(1+b-c-f),this._w=(e-a)/c,this._x=(d+h)/c,this._y=(g+k)/c,this._z=.25*c);this.onChangeCallback();return this},setFromUnitVectors:function(){var a,b;return function(c,d){void 0===a&&(a=new m);b=c.dot(d)+1;1E-6>b?(b=0,Math.abs(c.x)>Math.abs(c.z)?a.set(-c.y,c.x,0):a.set(0, +-c.z,c.y)):a.crossVectors(c,d);this._x=a.x;this._y=a.y;this._z=a.z;this._w=b;return this.normalize()}}(),inverse:function(){return this.conjugate().normalize()},conjugate:function(){this._x*=-1;this._y*=-1;this._z*=-1;this.onChangeCallback();return this},dot:function(a){return this._x*a._x+this._y*a._y+this._z*a._z+this._w*a._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 a=this.length();0===a?(this._z=this._y=this._x=0,this._w=1):(a=1/a,this._x*=a,this._y*=a,this._z*=a,this._w*=a);this.onChangeCallback();return this},multiply:function(a,b){return void 0!==b?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(a,b)):this.multiplyQuaternions(this,a)},premultiply:function(a){return this.multiplyQuaternions(a,this)},multiplyQuaternions:function(a, +b){var c=a._x,d=a._y,e=a._z,f=a._w,g=b._x,h=b._y,k=b._z,n=b._w;this._x=c*n+f*g+d*k-e*h;this._y=d*n+f*h+e*g-c*k;this._z=e*n+f*k+c*h-d*g;this._w=f*n-c*g-d*h-e*k;this.onChangeCallback();return this},slerp:function(a,b){if(0===b)return this;if(1===b)return this.copy(a);var c=this._x,d=this._y,e=this._z,f=this._w,g=f*a._w+c*a._x+d*a._y+e*a._z;0>g?(this._w=-a._w,this._x=-a._x,this._y=-a._y,this._z=-a._z,g=-g):this.copy(a);if(1<=g)return this._w=f,this._x=c,this._y=d,this._z=e,this;var h=Math.sqrt(1-g*g); +if(.001>Math.abs(h))return this._w=.5*(f+this._w),this._x=.5*(c+this._x),this._y=.5*(d+this._y),this._z=.5*(e+this._z),this;var k=Math.atan2(h,g),g=Math.sin((1-b)*k)/h,h=Math.sin(b*k)/h;this._w=f*g+this._w*h;this._x=c*g+this._x*h;this._y=d*g+this._y*h;this._z=e*g+this._z*h;this.onChangeCallback();return this},equals:function(a){return a._x===this._x&&a._y===this._y&&a._z===this._z&&a._w===this._w},fromArray:function(a,b){void 0===b&&(b=0);this._x=a[b];this._y=a[b+1];this._z=a[b+2];this._w=a[b+3]; +this.onChangeCallback();return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this._x;a[b+1]=this._y;a[b+2]=this._z;a[b+3]=this._w;return a},onChange:function(a){this.onChangeCallback=a;return this},onChangeCallback:function(){}};Object.assign(aa,{slerp:function(a,b,c,d){return c.copy(a).slerp(b,d)},slerpFlat:function(a,b,c,d,e,f,g){var h=c[d+0],k=c[d+1],n=c[d+2];c=c[d+3];d=e[f+0];var l=e[f+1],r=e[f+2];e=e[f+3];if(c!==e||h!==d||k!==l||n!==r){f=1-g;var p=h*d+k*l+n*r+c*e,m=0<= +p?1:-1,x=1-p*p;x>Number.EPSILON&&(x=Math.sqrt(x),p=Math.atan2(x,p*m),f=Math.sin(f*p)/x,g=Math.sin(g*p)/x);m*=g;h=h*f+d*m;k=k*f+l*m;n=n*f+r*m;c=c*f+e*m;f===1-g&&(g=1/Math.sqrt(h*h+k*k+n*n+c*c),h*=g,k*=g,n*=g,c*=g)}a[b]=h;a[b+1]=k;a[b+2]=n;a[b+3]=c}});m.prototype={constructor:m,isVector3:!0,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},setScalar:function(a){this.z=this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z= +a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y,this.z)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."), +this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;return this},addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;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(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=a.z*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;this.z-=a.z; +return this},subScalar:function(a){this.x-=a;this.y-=a;this.z-=a;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(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(a,b);this.x*=a.x;this.y*=a.y;this.z*=a.z;return this},multiplyScalar:function(a){isFinite(a)?(this.x*=a,this.y*=a,this.z*=a):this.z=this.y=this.x=0;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(){var a;return function(b){!1===(b&&b.isEuler)&&console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.");void 0===a&&(a=new aa);return this.applyQuaternion(a.setFromEuler(b))}}(),applyAxisAngle:function(){var a;return function(b,c){void 0===a&&(a=new aa);return this.applyQuaternion(a.setFromAxisAngle(b,c))}}(),applyMatrix3:function(a){var b=this.x,c=this.y,d=this.z; +a=a.elements;this.x=a[0]*b+a[3]*c+a[6]*d;this.y=a[1]*b+a[4]*c+a[7]*d;this.z=a[2]*b+a[5]*c+a[8]*d;return this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d+a[12];this.y=a[1]*b+a[5]*c+a[9]*d+a[13];this.z=a[2]*b+a[6]*c+a[10]*d+a[14];return this.divideScalar(a[3]*b+a[7]*c+a[11]*d+a[15])},applyQuaternion:function(a){var b=this.x,c=this.y,d=this.z,e=a.x,f=a.y,g=a.z;a=a.w;var h=a*b+f*d-g*c,k=a*c+g*b-e*d,n=a*d+e*c-f*b,b=-e*b-f*c-g*d;this.x=h*a+b*-e+k*-g- +n*-f;this.y=k*a+b*-f+n*-e-h*-g;this.z=n*a+b*-g+h*-f-k*-e;return this},project:function(){var a;return function(b){void 0===a&&(a=new I);a.multiplyMatrices(b.projectionMatrix,a.getInverse(b.matrixWorld));return this.applyMatrix4(a)}}(),unproject:function(){var a;return function(b){void 0===a&&(a=new I);a.multiplyMatrices(b.matrixWorld,a.getInverse(b.projectionMatrix));return this.applyMatrix4(a)}}(),transformDirection:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]* +d;this.y=a[1]*b+a[5]*c+a[9]*d;this.z=a[2]*b+a[6]*c+a[10]*d;return this.normalize()},divide:function(a){this.x/=a.x;this.y/=a.y;this.z/=a.z;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);this.z=Math.min(this.z,a.z);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);this.z=Math.max(this.z,a.z);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y= +Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));return this},clampScalar:function(){var a,b;return function(c,d){void 0===a&&(a=new m,b=new m);a.set(c,c,c);b.set(d,d,d);return this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();return this.multiplyScalar(Math.max(a,Math.min(b,c))/c)},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=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);this.z=0>this.z?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(a){return this.x*a.x+this.y*a.y+this.z*a.z},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)},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.multiplyScalar(a/this.length())},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)}, +cross:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(a,b);var c=this.x,d=this.y,e=this.z;this.x=d*a.z-e*a.y;this.y=e*a.x-c*a.z;this.z=c*a.y-d*a.x;return this},crossVectors:function(a,b){var c=a.x,d=a.y,e=a.z,f=b.x,g=b.y,h=b.z;this.x=d*h-e*g;this.y=e*f-c*h;this.z=c*g-d*f;return this},projectOnVector:function(a){var b=a.dot(this)/a.lengthSq();return this.copy(a).multiplyScalar(b)},projectOnPlane:function(){var a; +return function(b){void 0===a&&(a=new m);a.copy(this).projectOnVector(b);return this.sub(a)}}(),reflect:function(){var a;return function(b){void 0===a&&(a=new m);return this.sub(a.copy(b).multiplyScalar(2*this.dot(b)))}}(),angleTo:function(a){a=this.dot(a)/Math.sqrt(this.lengthSq()*a.lengthSq());return Math.acos(P.clamp(a,-1,1))},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x,c=this.y-a.y;a=this.z-a.z;return b*b+c*c+a*a},distanceToManhattan:function(a){return Math.abs(this.x- +a.x)+Math.abs(this.y-a.y)+Math.abs(this.z-a.z)},setFromSpherical:function(a){var b=Math.sin(a.phi)*a.radius;this.x=b*Math.sin(a.theta);this.y=Math.cos(a.phi)*a.radius;this.z=b*Math.cos(a.theta);return this},setFromCylindrical:function(a){this.x=a.radius*Math.sin(a.theta);this.y=a.y;this.z=a.radius*Math.cos(a.theta);return this},setFromMatrixPosition:function(a){return this.setFromMatrixColumn(a,3)},setFromMatrixScale:function(a){var b=this.setFromMatrixColumn(a,0).length(),c=this.setFromMatrixColumn(a, +1).length();a=this.setFromMatrixColumn(a,2).length();this.x=b;this.y=c;this.z=a;return this},setFromMatrixColumn:function(a,b){if("number"===typeof a){console.warn("THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).");var c=a;a=b;b=c}return this.fromArray(a.elements,4*b)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0=== +b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute().");this.x=a.getX(b);this.y=a.getY(b);this.z=a.getZ(b);return this}};I.prototype={constructor:I,isMatrix4:!0,set:function(a,b,c,d,e,f,g,h,k,n,l,m,p,q,x,w){var z=this.elements;z[0]=a;z[4]=b;z[8]=c;z[12]=d;z[1]=e;z[5]=f;z[9]=g;z[13]=h;z[2]=k;z[6]=n;z[10]=l;z[14]=m;z[3]=p;z[7]=q;z[11]=x;z[15]=w;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 I).fromArray(this.elements)},copy:function(a){this.elements.set(a.elements);return this},copyPosition:function(a){var b=this.elements;a=a.elements;b[12]=a[12];b[13]=a[13];b[14]=a[14];return this},extractBasis:function(a,b,c){a.setFromMatrixColumn(this,0);b.setFromMatrixColumn(this,1);c.setFromMatrixColumn(this,2);return this},makeBasis:function(a,b,c){this.set(a.x,b.x,c.x,0,a.y,b.y,c.y,0,a.z,b.z,c.z,0,0,0,0,1);return this},extractRotation:function(){var a; +return function(b){void 0===a&&(a=new m);var c=this.elements,d=b.elements,e=1/a.setFromMatrixColumn(b,0).length(),f=1/a.setFromMatrixColumn(b,1).length();b=1/a.setFromMatrixColumn(b,2).length();c[0]=d[0]*e;c[1]=d[1]*e;c[2]=d[2]*e;c[4]=d[4]*f;c[5]=d[5]*f;c[6]=d[6]*f;c[8]=d[8]*b;c[9]=d[9]*b;c[10]=d[10]*b;return this}}(),makeRotationFromEuler:function(a){!1===(a&&a.isEuler)&&console.error("THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var b=this.elements, +c=a.x,d=a.y,e=a.z,f=Math.cos(c),c=Math.sin(c),g=Math.cos(d),d=Math.sin(d),h=Math.cos(e),e=Math.sin(e);if("XYZ"===a.order){a=f*h;var k=f*e,n=c*h,l=c*e;b[0]=g*h;b[4]=-g*e;b[8]=d;b[1]=k+n*d;b[5]=a-l*d;b[9]=-c*g;b[2]=l-a*d;b[6]=n+k*d;b[10]=f*g}else"YXZ"===a.order?(a=g*h,k=g*e,n=d*h,l=d*e,b[0]=a+l*c,b[4]=n*c-k,b[8]=f*d,b[1]=f*e,b[5]=f*h,b[9]=-c,b[2]=k*c-n,b[6]=l+a*c,b[10]=f*g):"ZXY"===a.order?(a=g*h,k=g*e,n=d*h,l=d*e,b[0]=a-l*c,b[4]=-f*e,b[8]=n+k*c,b[1]=k+n*c,b[5]=f*h,b[9]=l-a*c,b[2]=-f*d,b[6]=c,b[10]= +f*g):"ZYX"===a.order?(a=f*h,k=f*e,n=c*h,l=c*e,b[0]=g*h,b[4]=n*d-k,b[8]=a*d+l,b[1]=g*e,b[5]=l*d+a,b[9]=k*d-n,b[2]=-d,b[6]=c*g,b[10]=f*g):"YZX"===a.order?(a=f*g,k=f*d,n=c*g,l=c*d,b[0]=g*h,b[4]=l-a*e,b[8]=n*e+k,b[1]=e,b[5]=f*h,b[9]=-c*h,b[2]=-d*h,b[6]=k*e+n,b[10]=a-l*e):"XZY"===a.order&&(a=f*g,k=f*d,n=c*g,l=c*d,b[0]=g*h,b[4]=-e,b[8]=d*h,b[1]=a*e+l,b[5]=f*h,b[9]=k*e-n,b[2]=n*e-k,b[6]=c*h,b[10]=l*e+a);b[3]=0;b[7]=0;b[11]=0;b[12]=0;b[13]=0;b[14]=0;b[15]=1;return this},makeRotationFromQuaternion:function(a){var b= +this.elements,c=a.x,d=a.y,e=a.z,f=a.w,g=c+c,h=d+d,k=e+e;a=c*g;var n=c*h,c=c*k,l=d*h,d=d*k,e=e*k,g=f*g,h=f*h,f=f*k;b[0]=1-(l+e);b[4]=n-f;b[8]=c+h;b[1]=n+f;b[5]=1-(a+e);b[9]=d-g;b[2]=c-h;b[6]=d+g;b[10]=1-(a+l);b[3]=0;b[7]=0;b[11]=0;b[12]=0;b[13]=0;b[14]=0;b[15]=1;return this},lookAt:function(){var a,b,c;return function(d,e,f){void 0===a&&(a=new m,b=new m,c=new m);var g=this.elements;c.subVectors(d,e).normalize();0===c.lengthSq()&&(c.z=1);a.crossVectors(f,c).normalize();0===a.lengthSq()&&(c.z+=1E-4, +a.crossVectors(f,c).normalize());b.crossVectors(c,a);g[0]=a.x;g[4]=b.x;g[8]=c.x;g[1]=a.y;g[5]=b.y;g[9]=c.y;g[2]=a.z;g[6]=b.z;g[10]=c.z;return this}}(),multiply:function(a,b){return void 0!==b?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(a,b)):this.multiplyMatrices(this,a)},premultiply:function(a){return this.multiplyMatrices(a,this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements,e=this.elements, +f=c[0],g=c[4],h=c[8],k=c[12],n=c[1],l=c[5],m=c[9],p=c[13],q=c[2],x=c[6],w=c[10],z=c[14],v=c[3],y=c[7],S=c[11],c=c[15],t=d[0],U=d[4],G=d[8],C=d[12],E=d[1],J=d[5],F=d[9],K=d[13],M=d[2],X=d[6],V=d[10],L=d[14],O=d[3],D=d[7],H=d[11],d=d[15];e[0]=f*t+g*E+h*M+k*O;e[4]=f*U+g*J+h*X+k*D;e[8]=f*G+g*F+h*V+k*H;e[12]=f*C+g*K+h*L+k*d;e[1]=n*t+l*E+m*M+p*O;e[5]=n*U+l*J+m*X+p*D;e[9]=n*G+l*F+m*V+p*H;e[13]=n*C+l*K+m*L+p*d;e[2]=q*t+x*E+w*M+z*O;e[6]=q*U+x*J+w*X+z*D;e[10]=q*G+x*F+w*V+z*H;e[14]=q*C+x*K+w*L+z*d;e[3]=v*t+ +y*E+S*M+c*O;e[7]=v*U+y*J+S*X+c*D;e[11]=v*G+y*F+S*V+c*H;e[15]=v*C+y*K+S*L+c*d;return this},multiplyToArray:function(a,b,c){var d=this.elements;this.multiplyMatrices(a,b);c[0]=d[0];c[1]=d[1];c[2]=d[2];c[3]=d[3];c[4]=d[4];c[5]=d[5];c[6]=d[6];c[7]=d[7];c[8]=d[8];c[9]=d[9];c[10]=d[10];c[11]=d[11];c[12]=d[12];c[13]=d[13];c[14]=d[14];c[15]=d[15];return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[4]*=a;b[8]*=a;b[12]*=a;b[1]*=a;b[5]*=a;b[9]*=a;b[13]*=a;b[2]*=a;b[6]*=a;b[10]*=a;b[14]*=a; +b[3]*=a;b[7]*=a;b[11]*=a;b[15]*=a;return this},applyToBufferAttribute:function(){var a;return function(b){void 0===a&&(a=new m);for(var c=0,d=b.count;cthis.determinant()&&(g=-g);c.x=f[12];c.y=f[13];c.z=f[14];b.elements.set(this.elements); +c=1/g;var f=1/h,n=1/k;b.elements[0]*=c;b.elements[1]*=c;b.elements[2]*=c;b.elements[4]*=f;b.elements[5]*=f;b.elements[6]*=f;b.elements[8]*=n;b.elements[9]*=n;b.elements[10]*=n;d.setFromRotationMatrix(b);e.x=g;e.y=h;e.z=k;return this}}(),makePerspective:function(a,b,c,d,e,f){void 0===f&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");var g=this.elements;g[0]=2*e/(b-a);g[4]=0;g[8]=(b+a)/(b-a);g[12]=0;g[1]=0;g[5]=2*e/(c-d);g[9]=(c+ +d)/(c-d);g[13]=0;g[2]=0;g[6]=0;g[10]=-(f+e)/(f-e);g[14]=-2*f*e/(f-e);g[3]=0;g[7]=0;g[11]=-1;g[15]=0;return this},makeOrthographic:function(a,b,c,d,e,f){var g=this.elements,h=1/(b-a),k=1/(c-d),n=1/(f-e);g[0]=2*h;g[4]=0;g[8]=0;g[12]=-((b+a)*h);g[1]=0;g[5]=2*k;g[9]=0;g[13]=-((c+d)*k);g[2]=0;g[6]=0;g[10]=-2*n;g[14]=-((f+e)*n);g[3]=0;g[7]=0;g[11]=0;g[15]=1;return this},equals:function(a){var b=this.elements;a=a.elements;for(var c=0;16>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a,b){void 0=== +b&&(b=0);for(var c=0;16>c;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];a[b+9]=c[9];a[b+10]=c[10];a[b+11]=c[11];a[b+12]=c[12];a[b+13]=c[13];a[b+14]=c[14];a[b+15]=c[15];return a}};Ba.prototype={addEventListener:function(a,b){void 0===this._listeners&&(this._listeners={});var c=this._listeners;void 0===c[a]&&(c[a]=[]);-1=== +c[a].indexOf(b)&&c[a].push(b)},hasEventListener:function(a,b){if(void 0===this._listeners)return!1;var c=this._listeners;return void 0!==c[a]&&-1!==c[a].indexOf(b)},removeEventListener:function(a,b){if(void 0!==this._listeners){var c=this._listeners[a];if(void 0!==c){var d=c.indexOf(b);-1!==d&&c.splice(d,1)}}},dispatchEvent:function(a){if(void 0!==this._listeners){var b=this._listeners[a.type];if(void 0!==b){a.target=this;var c=[],d,e=b.length;for(d=0;dthis.x?Math.ceil(this.x):Math.floor(this.x);this.y=0> +this.y?Math.ceil(this.y):Math.floor(this.y);return this},negate:function(){this.x=-this.x;this.y=-this.y;return this},dot:function(a){return this.x*a.x+this.y*a.y},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)},normalize:function(){return this.divideScalar(this.length())},angle:function(){var a=Math.atan2(this.y,this.x);0>a&&(a+=2*Math.PI);return a},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))}, +distanceToSquared:function(a){var b=this.x-a.x;a=this.y-a.y;return b*b+a*a},distanceToManhattan:function(a){return Math.abs(this.x-a.x)+Math.abs(this.y-a.y)},setLength:function(a){return this.multiplyScalar(a/this.length())},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},equals:function(a){return a.x===this.x&&a.y===this.y},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+ +1];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute().");this.x=a.getX(b);this.y=a.getY(b);return this},rotateAround:function(a,b){var c=Math.cos(b),d=Math.sin(b),e=this.x-a.x,f=this.y-a.y;this.x=e*c-f*d+a.x;this.y=e*d+f*c+a.y;return this}};var Wb=0;ga.DEFAULT_IMAGE=void 0;ga.DEFAULT_MAPPING=300;ga.prototype={constructor:ga, +isTexture:!0,set needsUpdate(a){!0===a&&this.version++},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.image=a.image;this.mipmaps=a.mipmaps.slice(0);this.mapping=a.mapping;this.wrapS=a.wrapS;this.wrapT=a.wrapT;this.magFilter=a.magFilter;this.minFilter=a.minFilter;this.anisotropy=a.anisotropy;this.format=a.format;this.type=a.type;this.offset.copy(a.offset);this.repeat.copy(a.repeat);this.generateMipmaps=a.generateMipmaps;this.premultiplyAlpha=a.premultiplyAlpha;this.flipY= +a.flipY;this.unpackAlignment=a.unpackAlignment;this.encoding=a.encoding;return this},toJSON:function(a){if(void 0!==a.textures[this.uuid])return a.textures[this.uuid];var b={metadata:{version:4.4,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],wrap:[this.wrapS,this.wrapT],minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY};if(void 0!==this.image){var c= +this.image;void 0===c.uuid&&(c.uuid=P.generateUUID());if(void 0===a.images[c.uuid]){var d=a.images,e=c.uuid,f=c.uuid,g;void 0!==c.toDataURL?g=c:(g=document.createElementNS("http://www.w3.org/1999/xhtml","canvas"),g.width=c.width,g.height=c.height,g.getContext("2d").drawImage(c,0,0,c.width,c.height));g=2048a.x||1a.x?0:1;break;case 1002:a.x=1===Math.abs(Math.floor(a.x)%2)?Math.ceil(a.x)-a.x:a.x-Math.floor(a.x)}if(0>a.y||1a.y?0:1;break;case 1002:a.y=1===Math.abs(Math.floor(a.y)%2)?Math.ceil(a.y)-a.y:a.y-Math.floor(a.y)}this.flipY&&(a.y=1-a.y)}}};Object.assign(ga.prototype, +Ba.prototype);wa.prototype=Object.create(ga.prototype);wa.prototype.constructor=wa;wa.prototype.isCubeTexture=!0;Object.defineProperty(wa.prototype,"images",{get:function(){return this.image},set:function(a){this.image=a}});var Eb=new ga,Fb=new wa,Bb=[],Db=[];Jb.prototype.setValue=function(a,b){for(var c=this.seq,d=0,e=c.length;d!==e;++d){var f=c[d];f.setValue(a,b[f.id])}};var nb=/([\w\d_]+)(\])?(\[|\.)?/g;Ja.prototype.setValue=function(a,b,c){b=this.map[b];void 0!==b&&b.setValue(a,c,this.renderer)}; +Ja.prototype.set=function(a,b,c){var d=this.map[c];void 0!==d&&d.setValue(a,b[c],this.renderer)};Ja.prototype.setOptional=function(a,b,c){b=b[c];void 0!==b&&this.setValue(a,c,b)};Ja.upload=function(a,b,c,d){for(var e=0,f=b.length;e!==f;++e){var g=b[e],h=c[g.id];!1!==h.needsUpdate&&g.setValue(a,h.value,d)}};Ja.seqWithValue=function(a,b){for(var c=[],d=0,e=a.length;d!==e;++d){var f=a[d];f.id in b&&c.push(f)}return c};var ta={merge:function(a){for(var b={},c=0;c 0.0 ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\t\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t\treturn distanceFalloff * maxDistanceCutoffFactor;\n#else\n\t\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n#endif\n\t\t}\n\t\treturn 1.0;\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}\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 GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, 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_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 ltcTextureCoords( const in GeometricContext geometry, 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\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 P = geometry.position;\n\tfloat theta = acos( dot( N, V ) );\n\tvec2 uv = vec2(\n\t\tsqrt( saturate( roughness ) ),\n\t\tsaturate( theta / ( 0.5 * PI ) ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nvoid clipQuadToHorizon( inout vec3 L[5], out int n ) {\n\tint config = 0;\n\tif ( L[0].z > 0.0 ) config += 1;\n\tif ( L[1].z > 0.0 ) config += 2;\n\tif ( L[2].z > 0.0 ) config += 4;\n\tif ( L[3].z > 0.0 ) config += 8;\n\tn = 0;\n\tif ( config == 0 ) {\n\t} else if ( config == 1 ) {\n\t\tn = 3;\n\t\tL[1] = -L[1].z * L[0] + L[0].z * L[1];\n\t\tL[2] = -L[3].z * L[0] + L[0].z * L[3];\n\t} else if ( config == 2 ) {\n\t\tn = 3;\n\t\tL[0] = -L[0].z * L[1] + L[1].z * L[0];\n\t\tL[2] = -L[2].z * L[1] + L[1].z * L[2];\n\t} else if ( config == 3 ) {\n\t\tn = 4;\n\t\tL[2] = -L[2].z * L[1] + L[1].z * L[2];\n\t\tL[3] = -L[3].z * L[0] + L[0].z * L[3];\n\t} else if ( config == 4 ) {\n\t\tn = 3;\n\t\tL[0] = -L[3].z * L[2] + L[2].z * L[3];\n\t\tL[1] = -L[1].z * L[2] + L[2].z * L[1];\n\t} else if ( config == 5 ) {\n\t\tn = 0;\n\t} else if ( config == 6 ) {\n\t\tn = 4;\n\t\tL[0] = -L[0].z * L[1] + L[1].z * L[0];\n\t\tL[3] = -L[3].z * L[2] + L[2].z * L[3];\n\t} else if ( config == 7 ) {\n\t\tn = 5;\n\t\tL[4] = -L[3].z * L[0] + L[0].z * L[3];\n\t\tL[3] = -L[3].z * L[2] + L[2].z * L[3];\n\t} else if ( config == 8 ) {\n\t\tn = 3;\n\t\tL[0] = -L[0].z * L[3] + L[3].z * L[0];\n\t\tL[1] = -L[2].z * L[3] + L[3].z * L[2];\n\t\tL[2] = L[3];\n\t} else if ( config == 9 ) {\n\t\tn = 4;\n\t\tL[1] = -L[1].z * L[0] + L[0].z * L[1];\n\t\tL[2] = -L[2].z * L[3] + L[3].z * L[2];\n\t} else if ( config == 10 ) {\n\t\tn = 0;\n\t} else if ( config == 11 ) {\n\t\tn = 5;\n\t\tL[4] = L[3];\n\t\tL[3] = -L[2].z * L[3] + L[3].z * L[2];\n\t\tL[2] = -L[2].z * L[1] + L[1].z * L[2];\n\t} else if ( config == 12 ) {\n\t\tn = 4;\n\t\tL[1] = -L[1].z * L[2] + L[2].z * L[1];\n\t\tL[0] = -L[0].z * L[3] + L[3].z * L[0];\n\t} else if ( config == 13 ) {\n\t\tn = 5;\n\t\tL[4] = L[3];\n\t\tL[3] = L[2];\n\t\tL[2] = -L[1].z * L[2] + L[2].z * L[1];\n\t\tL[1] = -L[1].z * L[0] + L[0].z * L[1];\n\t} else if ( config == 14 ) {\n\t\tn = 5;\n\t\tL[4] = -L[0].z * L[3] + L[3].z * L[0];\n\t\tL[0] = -L[0].z * L[1] + L[1].z * L[0];\n\t} else if ( config == 15 ) {\n\t\tn = 4;\n\t}\n\tif ( n == 3 )\n\t\tL[3] = L[0];\n\tif ( n == 4 )\n\t\tL[4] = L[0];\n}\nfloat integrateLtcBrdfOverRectEdge( vec3 v1, vec3 v2 ) {\n\tfloat cosTheta = dot( v1, v2 );\n\tfloat theta = acos( cosTheta );\n\tfloat res = cross( v1, v2 ).z * ( ( theta > 0.001 ) ? theta / sin( theta ) : 1.0 );\n\treturn res;\n}\nvoid initRectPoints( const in vec3 pos, const in vec3 halfWidth, const in vec3 halfHeight, out vec3 rectPoints[4] ) {\n\trectPoints[0] = pos - halfWidth - halfHeight;\n\trectPoints[1] = pos + halfWidth - halfHeight;\n\trectPoints[2] = pos + halfWidth + halfHeight;\n\trectPoints[3] = pos - halfWidth + halfHeight;\n}\nvec3 integrateLtcBrdfOverRect( const in GeometricContext geometry, const in mat3 brdfMat, const in vec3 rectPoints[4] ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 P = geometry.position;\n\tvec3 T1, T2;\n\tT1 = normalize(V - N * dot( V, N ));\n\tT2 = - cross( N, T1 );\n\tmat3 brdfWrtSurface = brdfMat * transpose( mat3( T1, T2, N ) );\n\tvec3 clippedRect[5];\n\tclippedRect[0] = brdfWrtSurface * ( rectPoints[0] - P );\n\tclippedRect[1] = brdfWrtSurface * ( rectPoints[1] - P );\n\tclippedRect[2] = brdfWrtSurface * ( rectPoints[2] - P );\n\tclippedRect[3] = brdfWrtSurface * ( rectPoints[3] - P );\n\tint n;\n\tclipQuadToHorizon(clippedRect, n);\n\tif ( n == 0 )\n\t\treturn vec3( 0, 0, 0 );\n\tclippedRect[0] = normalize( clippedRect[0] );\n\tclippedRect[1] = normalize( clippedRect[1] );\n\tclippedRect[2] = normalize( clippedRect[2] );\n\tclippedRect[3] = normalize( clippedRect[3] );\n\tclippedRect[4] = normalize( clippedRect[4] );\n\tfloat sum = 0.0;\n\tsum += integrateLtcBrdfOverRectEdge( clippedRect[0], clippedRect[1] );\n\tsum += integrateLtcBrdfOverRectEdge( clippedRect[1], clippedRect[2] );\n\tsum += integrateLtcBrdfOverRectEdge( clippedRect[2], clippedRect[3] );\n\tif (n >= 4)\n\t\tsum += integrateLtcBrdfOverRectEdge( clippedRect[3], clippedRect[4] );\n\tif (n == 5)\n\t\tsum += integrateLtcBrdfOverRectEdge( clippedRect[4], clippedRect[0] );\n\tsum = max( 0.0, sum );\n\tvec3 Lo_i = vec3( sum, sum, sum );\n\treturn Lo_i;\n}\nvec3 Rect_Area_Light_Specular_Reflectance(\n\t\tconst in GeometricContext geometry,\n\t\tconst in vec3 lightPos, const in vec3 lightHalfWidth, const in vec3 lightHalfHeight,\n\t\tconst in float roughness,\n\t\tconst in sampler2D ltcMat, const in sampler2D ltcMag ) {\n\tvec3 rectPoints[4];\n\tinitRectPoints( lightPos, lightHalfWidth, lightHalfHeight, rectPoints );\n\tvec2 uv = ltcTextureCoords( geometry, roughness );\n\tvec4 brdfLtcApproxParams, t;\n\tbrdfLtcApproxParams = texture2D( ltcMat, uv );\n\tt = texture2D( ltcMat, uv );\n\tfloat brdfLtcScalar = texture2D( ltcMag, uv ).a;\n\tmat3 brdfLtcApproxMat = mat3(\n\t\tvec3( 1, 0, t.y ),\n\t\tvec3( 0, t.z, 0 ),\n\t\tvec3( t.w, 0, t.x )\n\t);\n\tvec3 specularReflectance = integrateLtcBrdfOverRect( geometry, brdfLtcApproxMat, rectPoints );\n\tspecularReflectance *= brdfLtcScalar;\n\treturn specularReflectance;\n}\nvec3 Rect_Area_Light_Diffuse_Reflectance(\n\t\tconst in GeometricContext geometry,\n\t\tconst in vec3 lightPos, const in vec3 lightHalfWidth, const in vec3 lightHalfHeight ) {\n\tvec3 rectPoints[4];\n\tinitRectPoints( lightPos, lightHalfWidth, lightHalfHeight, rectPoints );\n\tmat3 diffuseBrdfMat = mat3(1);\n\tvec3 diffuseReflectance = integrateLtcBrdfOverRect( geometry, diffuseBrdfMat, rectPoints );\n\treturn diffuseReflectance;\n}\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\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\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularColor * AB.x + AB.y;\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", +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 = dFdx( surf_pos );\n\t\tvec3 vSigmaY = dFdy( surf_pos );\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\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif\n", +clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\n\t\tvec4 plane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t\t\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\n\t\t\tvec4 plane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t\n\t#endif\n#endif\n", +clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif\n",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvarying vec3 vViewPosition;\n#endif\n",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n", +color_fragment:"#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif\n",color_pars_vertex:"#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif",color_vertex:"#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif",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#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteCompliment(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}\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};\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 transpose( const in mat3 v ) {\n\tmat3 tmp;\n\ttmp[0] = vec3(v[0].x, v[1].x, v[2].x);\n\ttmp[1] = vec3(v[0].y, v[1].y, v[2].y);\n\ttmp[2] = vec3(v[0].z, v[1].z, v[2].z);\n\treturn tmp;\n}\n", +cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_textureSize (1024.0)\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bRes = mipLevel == 0.0;\n\tscale = bRes && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\tfloat rcpPowScale = 1.0 / powScale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif\n", +defaultnormal_vertex:"#ifdef FLIP_SIDED\n\tobjectNormal = -objectNormal;\n#endif\nvec3 transformedNormal = normalMatrix * objectNormal;\n",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif\n",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\n#endif\n",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif\n", +emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif\n",encodings_fragment:" gl_FragColor = linearToOutputTexel( gl_FragColor );\n",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.xyz, vec3( gammaFactor ) ), value.w );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\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.w );\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.w );\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.xyz * value.w * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.x, 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.x, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = min( floor( D ) / 255.0, 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 = value.rgb * cLogLuvM;\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 = Xp_Y_XYZp.rgb * cLogLuvInverseM;\n\treturn vec4( max(vRGB, 0.0), 1.0 );\n}\n", +envmap_fragment:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToVertex, 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, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\tvec3 reflectView = flipNormal * 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\tenvColor = envMapTexelToLinear( envColor );\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\n", +envmap_pars_fragment:"#if defined( USE_ENVMAP ) || defined( PHYSICAL )\n\tuniform float reflectivity;\n\tuniform float envMapIntensity;\n#endif\n#ifdef USE_ENVMAP\n\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\n\t\tvarying vec3 vWorldPosition;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\tuniform float flipEnvMap;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif\n", +envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif\n",envmap_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\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\n", +fog_vertex:"\n#ifdef USE_FOG\nfogDepth = -mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n varying float fogDepth;\n#endif\n",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * fogDepth * fogDepth * LOG2 ) );\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\n",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\n", +gradientmap_pars_fragment:"#ifdef TOON\n\tuniform sampler2D gradientMap;\n\tvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\t\tfloat dotNL = dot( normal, lightDirection );\n\t\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t\t#ifdef USE_GRADIENTMAP\n\t\t\treturn texture2D( gradientMap, coord ).rgb;\n\t\t#else\n\t\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t\t#endif\n\t}\n#endif\n",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif\n", +lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_vertex:"vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\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\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\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\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif\n", +lights_pars:"uniform vec3 ambientLightColor;\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\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\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\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\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\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\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 ltcMat;\tuniform sampler2D ltcMag;\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\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\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\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( queryVec, 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 blinnShininessExponent, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, 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\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = saturate( reflectVec.y * 0.5 + 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\n", +lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n",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};\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_BlinnPhong( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 matDiffColor = material.diffuseColor;\n\t\tvec3 matSpecColor = material.specularColor;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = BlinnExponentToGGXRoughness( material.specularShininess );\n\t\tvec3 spec = Rect_Area_Light_Specular_Reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectAreaLight.position, rectAreaLight.halfWidth, rectAreaLight.halfHeight,\n\t\t\t\troughness,\n\t\t\t\tltcMat, ltcMag );\n\t\tvec3 diff = Rect_Area_Light_Diffuse_Reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectAreaLight.position, rectAreaLight.halfWidth, rectAreaLight.halfHeight );\n\t\treflectedLight.directSpecular += lightColor * matSpecColor * spec / PI2;\n\t\treflectedLight.directDiffuse += lightColor * matDiffColor * diff / PI2;\n\t}\n#endif\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifdef TOON\n\t\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#else\n\t\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\tvec3 irradiance = dotNL * directLight.color;\n\t#endif\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_Direct_RectArea\t\tRE_Direct_RectArea_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)\n", +lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef STANDARD\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.clearCoat = saturate( clearCoat );\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\n#endif\n", +lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n\t#ifndef STANDARD\n\t\tfloat clearCoat;\n\t\tfloat clearCoatRoughness;\n\t#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 matDiffColor = material.diffuseColor;\n\t\tvec3 matSpecColor = material.specularColor;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 spec = Rect_Area_Light_Specular_Reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectAreaLight.position, rectAreaLight.halfWidth, rectAreaLight.halfHeight,\n\t\t\t\troughness,\n\t\t\t\tltcMat, ltcMag );\n\t\tvec3 diff = Rect_Area_Light_Diffuse_Reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectAreaLight.position, rectAreaLight.halfWidth, rectAreaLight.halfHeight );\n\t\treflectedLight.directSpecular += lightColor * matSpecColor * spec;\n\t\treflectedLight.directDiffuse += lightColor * matDiffColor * diff;\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#ifndef STANDARD\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\n\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\t#ifndef STANDARD\n\t\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\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 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifndef STANDARD\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\tfloat dotNL = dotNV;\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\n\t#ifndef STANDARD\n\t\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\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\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\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}\n", +lights_template:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = normalize( vViewPosition );\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 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\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.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\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.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\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 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef USE_LIGHTMAP\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * 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 ( NUM_HEMI_LIGHTS > 0 )\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\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\n\t#ifndef STANDARD\n\t\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\n\t#else\n\t\tvec3 clearCoatRadiance = vec3( 0.0 );\n\t#endif\n\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\n#endif\n", +logdepthbuf_fragment:"#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\n\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#ifdef USE_LOGDEPTHBUF\n\tuniform float logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n#endif\n",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n\tuniform float logDepthBufFC;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t#else\n\t\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\n\t#endif\n#endif\n", +map_fragment:"#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif\n",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n",map_particle_fragment:"#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n",map_particle_pars_fragment:"#ifdef USE_MAP\n\tuniform vec4 offsetRepeat;\n\tuniform sampler2D map;\n#endif\n", +metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.r;\n#endif\n",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n#endif\n", +morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\t#endif\n#endif\n", +normal_flip:"#ifdef DOUBLE_SIDED\n\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n#else\n\tfloat flipNormal = 1.0;\n#endif\n",normal_fragment:"#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 ) * flipNormal;\n#endif\n#ifdef USE_NORMALMAP\n\tnormal = perturbNormal2Arb( -vViewPosition, normal );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif\n", +normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\n\t\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\n\t\tvec3 N = normalize( surf_norm );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = normalScale * mapN.xy;\n\t\tmat3 tsn = mat3( S, T, N );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif\n", +packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 1.0 - 2.0 * rgb.xyz;\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}\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}\n", +premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif\n",project_vertex:"#ifdef USE_SKINNING\n\tvec4 mvPosition = modelViewMatrix * skinned;\n#else\n\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\n#endif\ngl_Position = projectionMatrix * mvPosition;\n",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.r;\n#endif\n", +roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\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\treturn (\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( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, 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( 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 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\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\treturn (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn 1.0;\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 ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\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\n", +shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n#endif\n", +shadowmap_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif\n", +shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}\n", +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",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform sampler2D boneTexture;\n\t\tuniform int boneTextureWidth;\n\t\tuniform int boneTextureHeight;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureWidth ) );\n\t\t\tfloat y = floor( j / float( boneTextureWidth ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureWidth );\n\t\t\tfloat dy = 1.0 / float( boneTextureHeight );\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\n", +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\tskinned = bindMatrixInverse * skinned;\n#endif\n",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#endif\n", +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",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif\n",tonemapping_pars_fragment:"#define saturate(a) clamp( a, 0.0, 1.0 )\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}\n", +uv_pars_fragment:"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n\tuniform vec4 offsetRepeat;\n#endif\n", +uv_vertex:"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n#endif", +uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = uv2;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\n\t#ifdef USE_SKINNING\n\t\tvec4 worldPosition = modelMatrix * skinned;\n\t#else\n\t\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n\t#endif\n#endif\n",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\n\tgl_FragColor.a *= opacity;\n}\n", +cube_vert:"varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n",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 \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\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\t#endif\n}\n", +depth_vert:"#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}\n", +distanceRGBA_frag:"uniform vec3 lightPos;\nvarying vec4 vWorldPosition;\n#include \n#include \n#include \nvoid main () {\n\t#include \n\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\n}\n",distanceRGBA_vert:"varying vec4 vWorldPosition;\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\tvWorldPosition = worldPosition;\n}\n", +equirect_frag:"uniform sampler2D tEquirect;\nuniform float tFlip;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldPosition );\n\tvec2 sampleUV;\n\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n}\n",equirect_vert:"varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n", +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}\n", +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}\n", +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 \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\treflectedLight.indirectDiffuse += texture2D( lightMap, vUv2 ).xyz * 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\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n", +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}\n", +meshlambert_frag:"uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\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 \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#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\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n", +meshlambert_vert:"#define LAMBERT\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\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}\n", +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 \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\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}\n", +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}\n", +meshphysical_frag:"#define PHYSICAL\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifndef STANDARD\n\tuniform float clearCoat;\n\tuniform float clearCoatRoughness;\n#endif\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 \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}\n", +meshphysical_vert:"#define PHYSICAL\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}\n", +normal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}\n", +normal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\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#endif\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( USE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}\n", +points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \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\t#include \n}\n", +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#ifdef USE_SIZEATTENUATION\n\t\tgl_PointSize = size * ( scale / - mvPosition.z );\n\t#else\n\t\tgl_PointSize = size;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n", +shadow_frag:"uniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\n}\n",shadow_vert:"#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"};da.prototype={constructor:da, +isVector4:!0,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},setScalar:function(a){this.w=this.z=this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},setW:function(a){this.w=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;case 3:this.w=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x; +case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y,this.z,this.w)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this}, +addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;this.w+=a;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(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=a.z*b;this.w+=a.w*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},subScalar:function(a){this.x-= +a;this.y-=a;this.z-=a;this.w-=a;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(a){isFinite(a)?(this.x*=a,this.y*=a,this.z*=a,this.w*=a):this.w=this.z=this.y=this.x=0;return this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z,e=this.w;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d+a[12]*e;this.y=a[1]*b+a[5]*c+a[9]*d+a[13]*e;this.z=a[2]*b+a[6]*c+a[10]*d+a[14]*e;this.w=a[3]*b+a[7]*c+a[11]*d+a[15]*e;return this}, +divideScalar:function(a){return this.multiplyScalar(1/a)},setAxisAngleFromQuaternion:function(a){this.w=2*Math.acos(a.w);var b=Math.sqrt(1-a.w*a.w);1E-4>b?(this.x=1,this.z=this.y=0):(this.x=a.x/b,this.y=a.y/b,this.z=a.z/b);return this},setAxisAngleFromRotationMatrix:function(a){var b,c,d;a=a.elements;var e=a[0];d=a[4];var f=a[8],g=a[1],h=a[5],k=a[9];c=a[2];b=a[6];var n=a[10];if(.01>Math.abs(d-g)&&.01>Math.abs(f-c)&&.01>Math.abs(k-b)){if(.1>Math.abs(d+g)&&.1>Math.abs(f+c)&&.1>Math.abs(k+b)&&.1>Math.abs(e+ +h+n-3))return this.set(1,0,0,0),this;a=Math.PI;e=(e+1)/2;h=(h+1)/2;n=(n+1)/2;d=(d+g)/4;f=(f+c)/4;k=(k+b)/4;e>h&&e>n?.01>e?(b=0,d=c=.707106781):(b=Math.sqrt(e),c=d/b,d=f/b):h>n?.01>h?(b=.707106781,c=0,d=.707106781):(c=Math.sqrt(h),b=d/c,d=k/c):.01>n?(c=b=.707106781,d=0):(d=Math.sqrt(n),b=f/d,c=k/d);this.set(b,c,d,a);return this}a=Math.sqrt((b-k)*(b-k)+(f-c)*(f-c)+(g-d)*(g-d));.001>Math.abs(a)&&(a=1);this.x=(b-k)/a;this.y=(f-c)/a;this.z=(g-d)/a;this.w=Math.acos((e+h+n-1)/2);return this},min:function(a){this.x= +Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);this.z=Math.min(this.z,a.z);this.w=Math.min(this.w,a.w);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);this.z=Math.max(this.z,a.z);this.w=Math.max(this.w,a.w);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));this.w=Math.max(a.w,Math.min(b.w,this.w));return this},clampScalar:function(){var a,b;return function(c, +d){void 0===a&&(a=new da,b=new da);a.set(c,c,c,c);b.set(d,d,d,d);return this.clamp(a,b)}}(),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= +0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);this.z=0>this.z?Math.ceil(this.z):Math.floor(this.z);this.w=0>this.w?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(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.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)},lengthManhattan: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())},setLength:function(a){return this.multiplyScalar(a/this.length())},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},equals:function(a){return a.x=== +this.x&&a.y===this.y&&a.z===this.z&&a.w===this.w},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];this.w=a[b+3];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;a[b+3]=this.w;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute().");this.x=a.getX(b);this.y=a.getY(b);this.z=a.getZ(b);this.w=a.getW(b);return this}};ea.prototype= +{constructor:ea,isColor:!0,r:1,g:1,b:1,set:function(a){a&&a.isColor?this.copy(a):"number"===typeof a?this.setHex(a):"string"===typeof a&&this.setStyle(a);return this},setScalar:function(a){this.b=this.g=this.r=a;return this},setHex:function(a){a=Math.floor(a);this.r=(a>>16&255)/255;this.g=(a>>8&255)/255;this.b=(a&255)/255;return this},setRGB:function(a,b,c){this.r=a;this.g=b;this.b=c;return this},setHSL:function(){function a(a,c,d){0>d&&(d+=1);1d?c:d<2/3?a+6*(c- +a)*(2/3-d):a}return function(b,c,d){b=P.euclideanModulo(b,1);c=P.clamp(c,0,1);d=P.clamp(d,0,1);0===c?this.r=this.g=this.b=d:(c=.5>=d?d*(1+c):d+c-d*c,d=2*d-c,this.r=a(d,c,b+1/3),this.g=a(d,c,b),this.b=a(d,c,b-1/3));return this}}(),setStyle:function(a){function b(b){void 0!==b&&1>parseFloat(b)&&console.warn("THREE.Color: Alpha component of "+a+" will be ignored.")}var c;if(c=/^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(a)){var d=c[2];switch(c[1]){case "rgb":case "rgba":if(c=/^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(d))return this.r= +Math.min(255,parseInt(c[1],10))/255,this.g=Math.min(255,parseInt(c[2],10))/255,this.b=Math.min(255,parseInt(c[3],10))/255,b(c[5]),this;if(c=/^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(d))return this.r=Math.min(100,parseInt(c[1],10))/100,this.g=Math.min(100,parseInt(c[2],10))/100,this.b=Math.min(100,parseInt(c[3],10))/100,b(c[5]),this;break;case "hsl":case "hsla":if(c=/^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(d)){var d=parseFloat(c[1])/ +360,e=parseInt(c[2],10)/100,f=parseInt(c[3],10)/100;b(c[5]);return this.setHSL(d,e,f)}}}else if(c=/^\#([A-Fa-f0-9]+)$/.exec(a)){c=c[1];d=c.length;if(3===d)return this.r=parseInt(c.charAt(0)+c.charAt(0),16)/255,this.g=parseInt(c.charAt(1)+c.charAt(1),16)/255,this.b=parseInt(c.charAt(2)+c.charAt(2),16)/255,this;if(6===d)return this.r=parseInt(c.charAt(0)+c.charAt(1),16)/255,this.g=parseInt(c.charAt(2)+c.charAt(3),16)/255,this.b=parseInt(c.charAt(4)+c.charAt(5),16)/255,this}a&&0=h?k/(e+f): +k/(2-e-f);switch(e){case b:g=(c-d)/k+(cthis.max.x||a.ythis.max.y?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y},getParameter:function(a,b){return(b||new A).set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y))},intersectsBox:function(a){return a.max.x< +this.min.x||a.min.x>this.max.x||a.max.ythis.max.y?!1:!0},clampPoint:function(a,b){return(b||new A).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new A;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),intersect:function(a){this.min.max(a.min);this.max.min(a.max);return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&& +a.max.equals(this.max)}};Ka.prototype={constructor:Ka,isWebGLRenderTarget:!0,setSize:function(a,b){if(this.width!==a||this.height!==b)this.width=a,this.height=b,this.dispose();this.viewport.set(0,0,a,b);this.scissor.set(0,0,a,b)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.width=a.width;this.height=a.height;this.viewport.copy(a.viewport);this.texture=a.texture.clone();this.depthBuffer=a.depthBuffer;this.stencilBuffer=a.stencilBuffer;this.depthTexture=a.depthTexture; +return this},dispose:function(){this.dispatchEvent({type:"dispose"})}};Object.assign(Ka.prototype,Ba.prototype);var wc=0;ia.prototype={constructor:ia,isMaterial:!0,get needsUpdate(){return this._needsUpdate},set needsUpdate(a){!0===a&&this.update();this._needsUpdate=a},setValues:function(a){if(void 0!==a)for(var b in a){var c=a[b];if(void 0===c)console.warn("THREE.Material: '"+b+"' parameter is undefined.");else{var d=this[b];void 0===d?console.warn("THREE."+this.type+": '"+b+"' is not a property of this material."): +d&&d.isColor?d.set(c):d&&d.isVector3&&c&&c.isVector3?d.copy(c):this[b]="overdraw"===b?Number(c):c}}},toJSON:function(a){function b(a){var b=[],c;for(c in a){var d=a[c];delete d.metadata;b.push(d)}return b}var c=void 0===a;c&&(a={textures:{},images:{}});var d={metadata:{version:4.4,type:"Material",generator:"Material.toJSON"}};d.uuid=this.uuid;d.type=this.type;""!==this.name&&(d.name=this.name);this.color&&this.color.isColor&&(d.color=this.color.getHex());void 0!==this.roughness&&(d.roughness=this.roughness); +void 0!==this.metalness&&(d.metalness=this.metalness);this.emissive&&this.emissive.isColor&&(d.emissive=this.emissive.getHex());this.specular&&this.specular.isColor&&(d.specular=this.specular.getHex());void 0!==this.shininess&&(d.shininess=this.shininess);void 0!==this.clearCoat&&(d.clearCoat=this.clearCoat);void 0!==this.clearCoatRoughness&&(d.clearCoatRoughness=this.clearCoatRoughness);this.map&&this.map.isTexture&&(d.map=this.map.toJSON(a).uuid);this.alphaMap&&this.alphaMap.isTexture&&(d.alphaMap= +this.alphaMap.toJSON(a).uuid);this.lightMap&&this.lightMap.isTexture&&(d.lightMap=this.lightMap.toJSON(a).uuid);this.bumpMap&&this.bumpMap.isTexture&&(d.bumpMap=this.bumpMap.toJSON(a).uuid,d.bumpScale=this.bumpScale);this.normalMap&&this.normalMap.isTexture&&(d.normalMap=this.normalMap.toJSON(a).uuid,d.normalScale=this.normalScale.toArray());this.displacementMap&&this.displacementMap.isTexture&&(d.displacementMap=this.displacementMap.toJSON(a).uuid,d.displacementScale=this.displacementScale,d.displacementBias= +this.displacementBias);this.roughnessMap&&this.roughnessMap.isTexture&&(d.roughnessMap=this.roughnessMap.toJSON(a).uuid);this.metalnessMap&&this.metalnessMap.isTexture&&(d.metalnessMap=this.metalnessMap.toJSON(a).uuid);this.emissiveMap&&this.emissiveMap.isTexture&&(d.emissiveMap=this.emissiveMap.toJSON(a).uuid);this.specularMap&&this.specularMap.isTexture&&(d.specularMap=this.specularMap.toJSON(a).uuid);this.envMap&&this.envMap.isTexture&&(d.envMap=this.envMap.toJSON(a).uuid,d.reflectivity=this.reflectivity); +this.gradientMap&&this.gradientMap.isTexture&&(d.gradientMap=this.gradientMap.toJSON(a).uuid);void 0!==this.size&&(d.size=this.size);void 0!==this.sizeAttenuation&&(d.sizeAttenuation=this.sizeAttenuation);1!==this.blending&&(d.blending=this.blending);2!==this.shading&&(d.shading=this.shading);0!==this.side&&(d.side=this.side);0!==this.vertexColors&&(d.vertexColors=this.vertexColors);1>this.opacity&&(d.opacity=this.opacity);!0===this.transparent&&(d.transparent=this.transparent);d.depthFunc=this.depthFunc; +d.depthTest=this.depthTest;d.depthWrite=this.depthWrite;0e&&(e=n);l>f&&(f=l);m>g&&(g=m)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromBufferAttribute:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.count;he&&(e=n);l>f&&(f=l);m>g&&(g=m)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;bthis.max.x||a.ythis.max.y||a.zthis.max.z?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=a.min.z&&a.max.z<=this.max.z},getParameter:function(a, +b){return(b||new m).set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y),(a.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(a){return a.max.xthis.max.x||a.max.ythis.max.y||a.max.zthis.max.z?!1:!0},intersectsSphere:function(){var a;return function(b){void 0===a&&(a=new m);this.clampPoint(b.center,a);return a.distanceToSquared(b.center)<=b.radius*b.radius}}(),intersectsPlane:function(a){var b, +c;0=a.constant},clampPoint:function(a,b){return(b||new m).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new m; +return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),getBoundingSphere:function(){var a=new m;return function(b){b=b||new Ia;this.getCenter(b.center);b.radius=.5*this.getSize(a).length();return b}}(),intersect:function(a){this.min.max(a.min);this.max.min(a.max);this.isEmpty()&&this.makeEmpty();return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},applyMatrix4:function(){var a=[new m,new m,new m,new m,new m,new m,new m,new m];return function(b){if(this.isEmpty())return this; +a[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(b);a[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(b);a[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(b);a[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(b);a[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(b);a[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(b);a[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(b);a[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(b);this.setFromPoints(a);return this}}(), +translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)}};Ia.prototype={constructor:Ia,set:function(a,b){this.center.copy(a);this.radius=b;return this},setFromPoints:function(){var a;return function(b,c){void 0===a&&(a=new ra);var d=this.center;void 0!==c?d.copy(c):a.setFromPoints(b).getCenter(d);for(var e=0,f=0,g=b.length;f=this.radius},containsPoint:function(a){return a.distanceToSquared(this.center)<=this.radius*this.radius},distanceToPoint:function(a){return a.distanceTo(this.center)-this.radius},intersectsSphere:function(a){var b=this.radius+a.radius;return a.center.distanceToSquared(this.center)<=b*b},intersectsBox:function(a){return a.intersectsSphere(this)},intersectsPlane:function(a){return Math.abs(this.center.dot(a.normal)- +a.constant)<=this.radius},clampPoint:function(a,b){var c=this.center.distanceToSquared(a),d=b||new m;d.copy(a);c>this.radius*this.radius&&(d.sub(this.center).normalize(),d.multiplyScalar(this.radius).add(this.center));return d},getBoundingBox:function(a){a=a||new ra;a.set(this.center,this.center);a.expandByScalar(this.radius);return a},applyMatrix4:function(a){this.center.applyMatrix4(a);this.radius*=a.getMaxScaleOnAxis();return this},translate:function(a){this.center.add(a);return this},equals:function(a){return a.center.equals(this.center)&& +a.radius===this.radius}};pa.prototype={constructor:pa,isMatrix3:!0,set:function(a,b,c,d,e,f,g,h,k){var n=this.elements;n[0]=a;n[1]=d;n[2]=g;n[3]=b;n[4]=e;n[5]=h;n[6]=c;n[7]=f;n[8]=k;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(a){a=a.elements;this.set(a[0],a[3],a[6],a[1],a[4],a[7],a[2],a[5],a[8]);return this},setFromMatrix4:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[1],a[5],a[9], +a[2],a[6],a[10]);return this},applyToBufferAttribute:function(){var a;return function(b){void 0===a&&(a=new m);for(var c=0,d=b.count;cc;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];return a}};ja.prototype={constructor:ja,set:function(a,b){this.normal.copy(a);this.constant=b;return this},setComponents:function(a,b,c,d){this.normal.set(a,b,c);this.constant=d;return this},setFromNormalAndCoplanarPoint:function(a, +b){this.normal.copy(a);this.constant=-b.dot(this.normal);return this},setFromCoplanarPoints:function(){var a=new m,b=new m;return function(c,d,e){d=a.subVectors(e,d).cross(b.subVectors(c,d)).normalize();this.setFromNormalAndCoplanarPoint(d,c);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.normal.copy(a.normal);this.constant=a.constant;return this},normalize:function(){var a=1/this.normal.length();this.normal.multiplyScalar(a);this.constant*=a;return this}, +negate:function(){this.constant*=-1;this.normal.negate();return this},distanceToPoint:function(a){return this.normal.dot(a)+this.constant},distanceToSphere:function(a){return this.distanceToPoint(a.center)-a.radius},projectPoint:function(a,b){return this.orthoPoint(a,b).sub(a).negate()},orthoPoint:function(a,b){var c=this.distanceToPoint(a);return(b||new m).copy(this.normal).multiplyScalar(c)},intersectLine:function(){var a=new m;return function(b,c){var d=c||new m,e=b.delta(a),f=this.normal.dot(e); +if(0===f){if(0===this.distanceToPoint(b.start))return d.copy(b.start)}else return f=-(b.start.dot(this.normal)+this.constant)/f,0>f||1b&&0a&&0c;c++)b[c].copy(a.planes[c]);return this},setFromMatrix:function(a){var b=this.planes,c=a.elements;a=c[0];var d=c[1],e=c[2],f=c[3],g=c[4],h=c[5],k=c[6],n=c[7],l=c[8],m=c[9],p=c[10],q=c[11],x=c[12],w=c[13],z=c[14],c=c[15];b[0].setComponents(f-a,n-g,q-l,c-x).normalize();b[1].setComponents(f+a,n+g,q+l,c+x).normalize();b[2].setComponents(f+d,n+h,q+m,c+w).normalize();b[3].setComponents(f- +d,n-h,q-m,c-w).normalize();b[4].setComponents(f-e,n-k,q-p,c-z).normalize();b[5].setComponents(f+e,n+k,q+p,c+z).normalize();return this},intersectsObject:function(){var a=new Ia;return function(b){var c=b.geometry;null===c.boundingSphere&&c.computeBoundingSphere();a.copy(c.boundingSphere).applyMatrix4(b.matrixWorld);return this.intersectsSphere(a)}}(),intersectsSprite:function(){var a=new Ia;return function(b){a.center.set(0,0,0);a.radius=.7071067811865476;a.applyMatrix4(b.matrixWorld);return this.intersectsSphere(a)}}(), +intersectsSphere:function(a){var b=this.planes,c=a.center;a=-a.radius;for(var d=0;6>d;d++)if(b[d].distanceToPoint(c)e;e++){var f=d[e];a.x=0 +g&&0>f)return!1}return!0}}(),containsPoint:function(a){for(var b=this.planes,c=0;6>c;c++)if(0>b[c].distanceToPoint(a))return!1;return!0}};Pa.prototype={constructor:Pa,set:function(a,b){this.origin.copy(a);this.direction.copy(b);return this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.origin.copy(a.origin);this.direction.copy(a.direction);return this},at:function(a,b){return(b||new m).copy(this.direction).multiplyScalar(a).add(this.origin)},lookAt:function(a){this.direction.copy(a).sub(this.origin).normalize(); +return this},recast:function(){var a=new m;return function(b){this.origin.copy(this.at(b,a));return this}}(),closestPointToPoint:function(a,b){var c=b||new m;c.subVectors(a,this.origin);var d=c.dot(this.direction);return 0>d?c.copy(this.origin):c.copy(this.direction).multiplyScalar(d).add(this.origin)},distanceToPoint:function(a){return Math.sqrt(this.distanceSqToPoint(a))},distanceSqToPoint:function(){var a=new m;return function(b){var c=a.subVectors(b,this.origin).dot(this.direction);if(0>c)return this.origin.distanceToSquared(b); +a.copy(this.direction).multiplyScalar(c).add(this.origin);return a.distanceToSquared(b)}}(),distanceSqToSegment:function(){var a=new m,b=new m,c=new m;return function(d,e,f,g){a.copy(d).add(e).multiplyScalar(.5);b.copy(e).sub(d).normalize();c.copy(this.origin).sub(a);var h=.5*d.distanceTo(e),k=-this.direction.dot(b),n=c.dot(this.direction),l=-c.dot(b),m=c.lengthSq(),p=Math.abs(1-k*k),q;0=-q?e<=q?(h=1/p,d*=h,e*=h,k=d*(d+k*e+2*n)+e*(k*d+e+2*l)+m):(e=h,d=Math.max(0,-(k* +e+n)),k=-d*d+e*(e+2*l)+m):(e=-h,d=Math.max(0,-(k*e+n)),k=-d*d+e*(e+2*l)+m):e<=-q?(d=Math.max(0,-(-k*h+n)),e=0f)return null;f=Math.sqrt(f-e);e=d-f;d+=f;return 0>e&&0>d?null:0>e?this.at(d,c):this.at(e,c)}}(),intersectsSphere:function(a){return this.distanceToPoint(a.center)<=a.radius},distanceToPlane:function(a){var b=a.normal.dot(this.direction);if(0===b)return 0===a.distanceToPoint(this.origin)?0:null;a=-(this.origin.dot(a.normal)+a.constant)/b;return 0<=a?a:null},intersectPlane:function(a, +b){var c=this.distanceToPlane(a);return null===c?null:this.at(c,b)},intersectsPlane:function(a){var b=a.distanceToPoint(this.origin);return 0===b||0>a.normal.dot(this.direction)*b?!0:!1},intersectBox:function(a,b){var c,d,e,f,g;d=1/this.direction.x;f=1/this.direction.y;g=1/this.direction.z;var h=this.origin;0<=d?(c=(a.min.x-h.x)*d,d*=a.max.x-h.x):(c=(a.max.x-h.x)*d,d*=a.min.x-h.x);0<=f?(e=(a.min.y-h.y)*f,f*=a.max.y-h.y):(e=(a.max.y-h.y)*f,f*=a.min.y-h.y);if(c>f||e>d)return null;if(e>c||c!==c)c=e; +if(fg||e>d)return null;if(e>c||c!==c)c=e;if(gd?null:this.at(0<=c?c:d,b)},intersectsBox:function(){var a=new m;return function(b){return null!==this.intersectBox(b,a)}}(),intersectTriangle:function(){var a=new m,b=new m,c=new m,d=new m;return function(e,f,g,h,k){b.subVectors(f,e);c.subVectors(g,e);d.crossVectors(b,c);f=this.direction.dot(d);if(0f)h= +-1,f=-f;else return null;a.subVectors(this.origin,e);e=h*this.direction.dot(c.crossVectors(a,c));if(0>e)return null;g=h*this.direction.dot(b.cross(a));if(0>g||e+g>f)return null;e=-h*a.dot(d);return 0>e?null:this.at(e/f,k)}}(),applyMatrix4:function(a){this.direction.add(this.origin).applyMatrix4(a);this.origin.applyMatrix4(a);this.direction.sub(this.origin);this.direction.normalize();return this},equals:function(a){return a.origin.equals(this.origin)&&a.direction.equals(this.direction)}};ua.RotationOrders= +"XYZ YZX ZXY XZY YXZ ZYX".split(" ");ua.DefaultOrder="XYZ";ua.prototype={constructor:ua,isEuler:!0,get x(){return this._x},set x(a){this._x=a;this.onChangeCallback()},get y(){return this._y},set y(a){this._y=a;this.onChangeCallback()},get z(){return this._z},set z(a){this._z=a;this.onChangeCallback()},get order(){return this._order},set order(a){this._order=a;this.onChangeCallback()},set:function(a,b,c,d){this._x=a;this._y=b;this._z=c;this._order=d||this._order;this.onChangeCallback();return this}, +clone:function(){return new this.constructor(this._x,this._y,this._z,this._order)},copy:function(a){this._x=a._x;this._y=a._y;this._z=a._z;this._order=a._order;this.onChangeCallback();return this},setFromRotationMatrix:function(a,b,c){var d=P.clamp,e=a.elements;a=e[0];var f=e[4],g=e[8],h=e[1],k=e[5],n=e[9],l=e[2],m=e[6],e=e[10];b=b||this._order;"XYZ"===b?(this._y=Math.asin(d(g,-1,1)),.99999>Math.abs(g)?(this._x=Math.atan2(-n,e),this._z=Math.atan2(-f,a)):(this._x=Math.atan2(m,k),this._z=0)):"YXZ"=== +b?(this._x=Math.asin(-d(n,-1,1)),.99999>Math.abs(n)?(this._y=Math.atan2(g,e),this._z=Math.atan2(h,k)):(this._y=Math.atan2(-l,a),this._z=0)):"ZXY"===b?(this._x=Math.asin(d(m,-1,1)),.99999>Math.abs(m)?(this._y=Math.atan2(-l,e),this._z=Math.atan2(-f,k)):(this._y=0,this._z=Math.atan2(h,a))):"ZYX"===b?(this._y=Math.asin(-d(l,-1,1)),.99999>Math.abs(l)?(this._x=Math.atan2(m,e),this._z=Math.atan2(h,a)):(this._x=0,this._z=Math.atan2(-f,k))):"YZX"===b?(this._z=Math.asin(d(h,-1,1)),.99999>Math.abs(h)?(this._x= +Math.atan2(-n,k),this._y=Math.atan2(-l,a)):(this._x=0,this._y=Math.atan2(g,e))):"XZY"===b?(this._z=Math.asin(-d(f,-1,1)),.99999>Math.abs(f)?(this._x=Math.atan2(m,k),this._y=Math.atan2(g,a)):(this._x=Math.atan2(-n,e),this._y=0)):console.warn("THREE.Euler: .setFromRotationMatrix() given unsupported order: "+b);this._order=b;if(!1!==c)this.onChangeCallback();return this},setFromQuaternion:function(){var a;return function(b,c,d){void 0===a&&(a=new I);a.makeRotationFromQuaternion(b);return this.setFromRotationMatrix(a, +c,d)}}(),setFromVector3:function(a,b){return this.set(a.x,a.y,a.z,b||this._order)},reorder:function(){var a=new aa;return function(b){a.setFromEuler(this);return this.setFromQuaternion(a,b)}}(),equals:function(a){return a._x===this._x&&a._y===this._y&&a._z===this._z&&a._order===this._order},fromArray:function(a){this._x=a[0];this._y=a[1];this._z=a[2];void 0!==a[3]&&(this._order=a[3]);this.onChangeCallback();return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this._x;a[b+1]= +this._y;a[b+2]=this._z;a[b+3]=this._order;return a},toVector3:function(a){return a?a.set(this._x,this._y,this._z):new m(this._x,this._y,this._z)},onChange:function(a){this.onChangeCallback=a;return this},onChangeCallback:function(){}};qb.prototype={constructor:qb,set:function(a){this.mask=1<=b.x+b.y}}();na.prototype={constructor:na,set:function(a,b,c){this.a.copy(a);this.b.copy(b);this.c.copy(c);return this},setFromPointsAndIndices:function(a,b,c,d){this.a.copy(a[b]);this.b.copy(a[c]);this.c.copy(a[d]);return this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.a.copy(a.a);this.b.copy(a.b);this.c.copy(a.c);return this}, +area:function(){var a=new m,b=new m;return function(){a.subVectors(this.c,this.b);b.subVectors(this.a,this.b);return.5*a.cross(b).length()}}(),midpoint:function(a){return(a||new m).addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)},normal:function(a){return na.normal(this.a,this.b,this.c,a)},plane:function(a){return(a||new ja).setFromCoplanarPoints(this.a,this.b,this.c)},barycoordFromPoint:function(a,b){return na.barycoordFromPoint(a,this.a,this.b,this.c,b)},containsPoint:function(a){return na.containsPoint(a, +this.a,this.b,this.c)},closestPointToPoint:function(){var a,b,c,d;return function(e,f){void 0===a&&(a=new ja,b=[new Da,new Da,new Da],c=new m,d=new m);var g=f||new m,h=Infinity;a.setFromCoplanarPoints(this.a,this.b,this.c);a.projectPoint(e,c);if(!0===this.containsPoint(c))g.copy(c);else{b[0].set(this.a,this.b);b[1].set(this.b,this.c);b[2].set(this.c,this.a);for(var k=0;kd;d++)if(e[d]===e[(d+1)%3]){a.push(f);break}for(f=a.length-1;0<=f;f--)for(e=a[f],this.faces.splice(e,1),c=0,g=this.faceVertexUvs.length;cb.far?null:{distance:c,point:v.clone(),object:a}}function c(c,d,e,f,l,n,m,r){g.fromBufferAttribute(f,n);h.fromBufferAttribute(f, +m);k.fromBufferAttribute(f,r);if(c=b(c,d,e,g,h,k,z))l&&(p.fromBufferAttribute(l,n),q.fromBufferAttribute(l,m),x.fromBufferAttribute(l,r),c.uv=a(z,g,h,k,p,q,x)),c.face=new xa(n,m,r,na.normal(g,h,k)),c.faceIndex=n;return c}var d=new I,e=new Pa,f=new Ia,g=new m,h=new m,k=new m,l=new m,B=new m,r=new m,p=new A,q=new A,x=new A,w=new m,z=new m,v=new m;return function(m,w){var t=this.geometry,v=this.material,G=this.matrixWorld;if(void 0!==v&&(null===t.boundingSphere&&t.computeBoundingSphere(),f.copy(t.boundingSphere), +f.applyMatrix4(G),!1!==m.ray.intersectsSphere(f)&&(d.getInverse(G),e.copy(m.ray).applyMatrix4(d),null===t.boundingBox||!1!==e.intersectsBox(t.boundingBox)))){var C;if(t.isBufferGeometry){var E,J,v=t.index,F=t.attributes.position,G=t.attributes.uv,K,M;if(null!==v)for(K=0,M=v.count;K=Ga.maxTextures&&console.warn("WebGLRenderer: trying to use "+a+" texture units while this GPU supports only "+Ga.maxTextures);la+=1;return a};this.setTexture2D=function(){var a=!1;return function(b,c){b&&b.isWebGLRenderTarget&&(a||(console.warn("THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead."), +a=!0),b=b.texture);Xa.setTexture2D(b,c)}}();this.setTexture=function(){var a=!1;return function(b,c){a||(console.warn("THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead."),a=!0);Xa.setTexture2D(b,c)}}();this.setTextureCube=function(){var a=!1;return function(b,c){b&&b.isWebGLRenderTargetCube&&(a||(console.warn("THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead."),a=!0),b=b.texture);b&&b.isCubeTexture||Array.isArray(b.image)&& +6===b.image.length?Xa.setTextureCube(b,c):Xa.setTextureCubeDynamic(b,c)}}();this.getCurrentRenderTarget=function(){return T};this.setRenderTarget=function(a){(T=a)&&void 0===sa.get(a).__webglFramebuffer&&Xa.setupRenderTarget(a);var b=a&&a.isWebGLRenderTargetCube,c;a?(c=sa.get(a),c=b?c.__webglFramebuffer[a.activeCubeFace]:c.__webglFramebuffer,ga.copy(a.scissor),ka=a.scissorTest,ia.copy(a.viewport)):(c=null,ga.copy(ua).multiplyScalar(za),ka=Ba,ia.copy(ra).multiplyScalar(za));Z!==c&&(u.bindFramebuffer(u.FRAMEBUFFER, +c),Z=c);N.scissor(ga);N.setScissorTest(ka);N.viewport(ia);b&&(b=sa.get(a.texture),u.framebufferTexture2D(u.FRAMEBUFFER,u.COLOR_ATTACHMENT0,u.TEXTURE_CUBE_MAP_POSITIVE_X+a.activeCubeFace,b.__webglTexture,a.activeMipMapLevel))};this.readRenderTargetPixels=function(a,b,c,d,e,f){if(!1===(a&&a.isWebGLRenderTarget))console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");else{var g=sa.get(a).__webglFramebuffer;if(g){var h=!1;g!==Z&&(u.bindFramebuffer(u.FRAMEBUFFER, +g),h=!0);try{var k=a.texture,l=k.format,m=k.type;1023!==l&&v(l)!==u.getParameter(u.IMPLEMENTATION_COLOR_READ_FORMAT)?console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format."):1009===m||v(m)===u.getParameter(u.IMPLEMENTATION_COLOR_READ_TYPE)||1015===m&&(ca.get("OES_texture_float")||ca.get("WEBGL_color_buffer_float"))||1016===m&&ca.get("EXT_color_buffer_half_float")?u.checkFramebufferStatus(u.FRAMEBUFFER)===u.FRAMEBUFFER_COMPLETE?0<=b&& +b<=a.width-d&&0<=c&&c<=a.height-e&&u.readPixels(b,c,d,e,v(l),v(m),f):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete."):console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.")}finally{h&&u.bindFramebuffer(u.FRAMEBUFFER,Z)}}}}};l.Scene=Aa;l.Mesh=Za;l.VideoTexture=Va;l.MeshBasicMaterial=La;l.ShaderMaterial=Ha;l.TextureLoader=Tb;l.PerspectiveCamera=cb; +l.Object3D=Y;l.Raycaster=vb;l.Math=P;l.Quaternion=aa;l.Euler=ua;l.Matrix4=I;l.Matrix3=pa;l.Vector4=da;l.Vector3=m;l.Vector2=A;l.Color=ea;l.TorusGeometry=Wa;l.SphereGeometry=eb;l.CircleGeometry=gb;l.RingGeometry=ib;l.REVISION="84";l.MOUSE={LEFT:0,MIDDLE:1,RIGHT:2};l.CullFaceNone=0;l.CullFaceBack=1;l.CullFaceFront=2;l.CullFaceFrontBack=3;l.FrontFaceDirectionCW=0;l.FrontFaceDirectionCCW=1;l.BasicShadowMap=0;l.PCFShadowMap=1;l.PCFSoftShadowMap=2;l.FrontSide=0;l.BackSide=1;l.DoubleSide=2;l.FlatShading= +1;l.SmoothShading=2;l.NoColors=0;l.FaceColors=1;l.VertexColors=2;l.NoBlending=0;l.NormalBlending=1;l.AdditiveBlending=2;l.SubtractiveBlending=3;l.MultiplyBlending=4;l.CustomBlending=5;l.AddEquation=100;l.SubtractEquation=101;l.ReverseSubtractEquation=102;l.MinEquation=103;l.MaxEquation=104;l.ZeroFactor=200;l.OneFactor=201;l.SrcColorFactor=202;l.OneMinusSrcColorFactor=203;l.SrcAlphaFactor=204;l.OneMinusSrcAlphaFactor=205;l.DstAlphaFactor=206;l.OneMinusDstAlphaFactor=207;l.DstColorFactor=208;l.OneMinusDstColorFactor= +209;l.SrcAlphaSaturateFactor=210;l.NeverDepth=0;l.AlwaysDepth=1;l.LessDepth=2;l.LessEqualDepth=3;l.EqualDepth=4;l.GreaterEqualDepth=5;l.GreaterDepth=6;l.NotEqualDepth=7;l.MultiplyOperation=0;l.MixOperation=1;l.AddOperation=2;l.NoToneMapping=0;l.LinearToneMapping=1;l.ReinhardToneMapping=2;l.Uncharted2ToneMapping=3;l.CineonToneMapping=4;l.UVMapping=300;l.CubeReflectionMapping=301;l.CubeRefractionMapping=302;l.EquirectangularReflectionMapping=303;l.EquirectangularRefractionMapping=304;l.SphericalReflectionMapping= +305;l.CubeUVReflectionMapping=306;l.CubeUVRefractionMapping=307;l.RepeatWrapping=1E3;l.ClampToEdgeWrapping=1001;l.MirroredRepeatWrapping=1002;l.NearestFilter=1003;l.NearestMipMapNearestFilter=1004;l.NearestMipMapLinearFilter=1005;l.LinearFilter=1006;l.LinearMipMapNearestFilter=1007;l.LinearMipMapLinearFilter=1008;l.UnsignedByteType=1009;l.ByteType=1010;l.ShortType=1011;l.UnsignedShortType=1012;l.IntType=1013;l.UnsignedIntType=1014;l.FloatType=1015;l.HalfFloatType=1016;l.UnsignedShort4444Type=1017; +l.UnsignedShort5551Type=1018;l.UnsignedShort565Type=1019;l.UnsignedInt248Type=1020;l.AlphaFormat=1021;l.RGBFormat=1022;l.RGBAFormat=1023;l.LuminanceFormat=1024;l.LuminanceAlphaFormat=1025;l.RGBEFormat=1023;l.DepthFormat=1026;l.DepthStencilFormat=1027;l.RGB_S3TC_DXT1_Format=2001;l.RGBA_S3TC_DXT1_Format=2002;l.RGBA_S3TC_DXT3_Format=2003;l.RGBA_S3TC_DXT5_Format=2004;l.RGB_PVRTC_4BPPV1_Format=2100;l.RGB_PVRTC_2BPPV1_Format=2101;l.RGBA_PVRTC_4BPPV1_Format=2102;l.RGBA_PVRTC_2BPPV1_Format=2103;l.RGB_ETC1_Format= +2151;l.LoopOnce=2200;l.LoopRepeat=2201;l.LoopPingPong=2202;l.InterpolateDiscrete=2300;l.InterpolateLinear=2301;l.InterpolateSmooth=2302;l.ZeroCurvatureEnding=2400;l.ZeroSlopeEnding=2401;l.WrapAroundEnding=2402;l.TrianglesDrawMode=0;l.TriangleStripDrawMode=1;l.TriangleFanDrawMode=2;l.LinearEncoding=3E3;l.sRGBEncoding=3001;l.GammaEncoding=3007;l.RGBEEncoding=3002;l.LogLuvEncoding=3003;l.RGBM7Encoding=3004;l.RGBM16Encoding=3005;l.RGBDEncoding=3006;l.BasicDepthPacking=3200;l.RGBADepthPacking=3201;Object.defineProperty(l, +"__esModule",{value:!0});Object.defineProperty(l,"AudioContext",{get:function(){return l.getAudioContext()}})}); diff --git a/build/vrview.js b/build/vrview.js new file mode 100644 index 00000000..8719e796 --- /dev/null +++ b/build/vrview.js @@ -0,0 +1,995 @@ +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.VRView = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o mode, VR View emulates fullscreen by redirecting to + * another page. + * In JS API mode, we stretch the iframe to cover the extent of the page using + * CSS. To do this cleanly, we also inject a stylesheet. + */ +Player.prototype.setFakeFullscreen_ = function(isFullscreen) { + if (isFullscreen) { + this.iframe.classList.add(FAKE_FULLSCREEN_CLASS); + } else { + this.iframe.classList.remove(FAKE_FULLSCREEN_CLASS); + } +}; + +Player.prototype.injectFullscreenStylesheet_ = function() { + var styleString = [ + 'iframe.' + FAKE_FULLSCREEN_CLASS, + '{', + 'position: fixed !important;', + 'display: block !important;', + 'z-index: 9999999999 !important;', + 'top: 0 !important;', + 'left: 0 !important;', + 'width: 100% !important;', + 'height: 100% !important;', + 'margin: 0 !important;', + '}', + ].join('\n'); + var style = document.createElement('style'); + style.innerHTML = styleString; + document.body.appendChild(style); +}; + +Player.prototype.getEmbedUrl_ = function() { + // Assume that the script is in $ROOT/build/something.js, and that the iframe + // HTML is in $ROOT/index.html. + // + // E.g: /vrview/2.0/build/vrview.min.js => /vrview/2.0/index.html. + var path = CURRENT_SCRIPT_SRC; + var split = path.split('/'); + var rootSplit = split.slice(0, split.length - 2); + var rootPath = rootSplit.join('/'); + return rootPath + '/index.html'; +}; + +Player.prototype.getDirName_ = function() { + var path = window.location.pathname; + path = path.substring(0, path.lastIndexOf('/')); + return location.protocol + '//' + location.host + path; +}; + +/** + * Make all of the URLs inside contentInfo absolute instead of relative. + */ +Player.prototype.absolutifyPaths_ = function(contentInfo) { + var dirName = this.getDirName_(); + var urlParams = ['image', 'preview', 'video']; + + for (var i = 0; i < urlParams.length; i++) { + var name = urlParams[i]; + var path = contentInfo[name]; + if (path && Util.isPathAbsolute(path)) { + var absolute = Util.relativeToAbsolutePath(dirName, path); + contentInfo[name] = absolute; + //console.log('Converted to absolute: %s', absolute); + } + } +}; +/** + * Get position YAW, PITCH + */ +Player.prototype.getPosition = function() { + this.sender.send({type: Message.GET_POSITION, data: {}}); +}; + +module.exports = Player; + +},{"../message":5,"../util":6,"./iframe-message-sender":2,"eventemitter3":1}],5:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * Messages from the API to the embed. + */ +var Message = { + PLAY: 'play', + PAUSE: 'pause', + TIMEUPDATE: 'timeupdate', + ADD_HOTSPOT: 'addhotspot', + SET_CONTENT: 'setimage', + SET_VOLUME: 'setvolume', + MUTED: 'muted', + SET_CURRENT_TIME: 'setcurrenttime', + DEVICE_MOTION: 'devicemotion', + GET_POSITION: 'getposition', + SET_FULLSCREEN: 'setfullscreen', +}; + +module.exports = Message; + +},{}],6:[function(_dereq_,module,exports){ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var Util = window.Util || {}; + +Util.isDataURI = function(src) { + return src && src.indexOf('data:') == 0; +}; + +Util.generateUUID = function() { + function s4() { + return Math.floor((1 + Math.random()) * 0x10000) + .toString(16) + .substring(1); + } + return s4() + s4() + '-' + s4() + '-' + s4() + '-' + + s4() + '-' + s4() + s4() + s4(); +}; + +Util.isMobile = function() { + var check = false; + (function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))check = true})(navigator.userAgent||navigator.vendor||window.opera); + return check; +}; + +Util.isIOS = function() { + return /(iPad|iPhone|iPod)/g.test(navigator.userAgent); +}; + +Util.isSafari = function() { + return /^((?!chrome|android).)*safari/i.test(navigator.userAgent); +}; + +Util.cloneObject = function(obj) { + var out = {}; + for (key in obj) { + out[key] = obj[key]; + } + return out; +}; + +Util.hashCode = function(s) { + return s.split("").reduce(function(a,b){a=((a<<5)-a)+b.charCodeAt(0);return a&a},0); +}; + +Util.loadTrackSrc = function(context, src, callback, opt_progressCallback) { + var request = new XMLHttpRequest(); + request.open('GET', src, true); + request.responseType = 'arraybuffer'; + + // Decode asynchronously. + request.onload = function() { + context.decodeAudioData(request.response, function(buffer) { + callback(buffer); + }, function(e) { + console.error(e); + }); + }; + if (opt_progressCallback) { + request.onprogress = function(e) { + var percent = e.loaded / e.total; + opt_progressCallback(percent); + }; + } + request.send(); +}; + +Util.isPow2 = function(n) { + return (n & (n - 1)) == 0; +}; + +Util.capitalize = function(s) { + return s.charAt(0).toUpperCase() + s.slice(1); +}; + +Util.isIFrame = function() { + try { + return window.self !== window.top; + } catch (e) { + return true; + } +}; + +// From http://goo.gl/4WX3tg +Util.getQueryParameter = function(name) { + name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]"); + var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"), + results = regex.exec(location.search); + return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " ")); +}; + + +// From http://stackoverflow.com/questions/11871077/proper-way-to-detect-webgl-support. +Util.isWebGLEnabled = function() { + var canvas = document.createElement('canvas'); + try { gl = canvas.getContext("webgl"); } + catch (x) { gl = null; } + + if (gl == null) { + try { gl = canvas.getContext("experimental-webgl"); experimental = true; } + catch (x) { gl = null; } + } + return !!gl; +}; + +Util.clone = function(obj) { + return JSON.parse(JSON.stringify(obj)); +}; + +// From http://stackoverflow.com/questions/10140604/fastest-hypotenuse-in-javascript +Util.hypot = Math.hypot || function(x, y) { + return Math.sqrt(x*x + y*y); +}; + +// From http://stackoverflow.com/a/17447718/693934 +Util.isIE11 = function() { + return navigator.userAgent.match(/Trident/); +}; + +Util.getRectCenter = function(rect) { + return new THREE.Vector2(rect.x + rect.width/2, rect.y + rect.height/2); +}; + +Util.getScreenWidth = function() { + return Math.max(window.screen.width, window.screen.height) * + window.devicePixelRatio; +}; + +Util.getScreenHeight = function() { + return Math.min(window.screen.width, window.screen.height) * + window.devicePixelRatio; +}; + +Util.isIOS9OrLess = function() { + if (!Util.isIOS()) { + return false; + } + var re = /(iPhone|iPad|iPod) OS ([\d_]+)/; + var iOSVersion = navigator.userAgent.match(re); + if (!iOSVersion) { + return false; + } + // Get the last group. + var versionString = iOSVersion[iOSVersion.length - 1]; + var majorVersion = parseFloat(versionString); + return majorVersion <= 9; +}; + +Util.getExtension = function(url) { + return url.split('.').pop().split('?')[0]; +}; + +Util.createGetParams = function(params) { + var out = '?'; + for (var k in params) { + var paramString = k + '=' + params[k] + '&'; + out += paramString; + } + // Remove the trailing ampersand. + out.substring(0, params.length - 2); + return out; +}; + +Util.sendParentMessage = function(message) { + if (window.parent) { + parent.postMessage(message, '*'); + } +}; + +Util.parseBoolean = function(value) { + if (value == 'false' || value == 0) { + return false; + } else if (value == 'true' || value == 1) { + return true; + } else { + return !!value; + } +}; + +/** + * @param base {String} An absolute directory root. + * @param relative {String} A relative path. + * + * @returns {String} An absolute path corresponding to the rootPath. + * + * From http://stackoverflow.com/a/14780463/693934. + */ +Util.relativeToAbsolutePath = function(base, relative) { + var stack = base.split('/'); + var parts = relative.split('/'); + for (var i = 0; i < parts.length; i++) { + if (parts[i] == '.') { + continue; + } + if (parts[i] == '..') { + stack.pop(); + } else { + stack.push(parts[i]); + } + } + return stack.join('/'); +}; + +/** + * @return {Boolean} True iff the specified path is an absolute path. + */ +Util.isPathAbsolute = function(path) { + return ! /^(?:\/|[a-z]+:\/\/)/.test(path); +} + +Util.isEmptyObject = function(obj) { + return Object.getOwnPropertyNames(obj).length == 0; +}; + +Util.isDebug = function() { + return Util.parseBoolean(Util.getQueryParameter('debug')); +}; + +Util.getCurrentScript = function() { + // Note: in IE11, document.currentScript doesn't work, so we fall back to this + // hack, taken from https://goo.gl/TpExuH. + if (!document.currentScript) { + console.warn('This browser does not support document.currentScript. Trying fallback.'); + } + return document.currentScript || document.scripts[document.scripts.length - 1]; +} + + +module.exports = Util; + +},{}]},{},[3])(3) +}); \ No newline at end of file diff --git a/build/vrview.min.js b/build/vrview.min.js new file mode 100644 index 00000000..e7c3a73b --- /dev/null +++ b/build/vrview.min.js @@ -0,0 +1 @@ +!function(f){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=f();else if("function"==typeof define&&define.amd)define([],f);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).VRView=f()}}(function(){return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n||e)},l,l.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o + + + VR View - video example + + + + + +

Gorillas

+

The great apes from Central Africa

+

Gorillas are ground-dwelling, predominantly herbivorous apes that inhabit + the forests of central Africa.

+ +

The 360 video below shows gorillas in the Congo rainforest.

+ +
+ +
+
+
+
+ +

The eponymous genus Gorilla is divided into two species: the eastern + gorillas and the western gorillas, and either four or five subspecies. They + are the largest living primates by physical size.

+ +

The DNA of gorillas is highly similar to that of humans, from 95–99% + depending on what is counted, and they are the next closest living relatives + to humans after the chimpanzees and bonobos.

+ +

Gorillas' natural habitats cover tropical or subtropical forests in + Africa. Although their range covers a small percentage of Africa, gorillas + cover a wide range of elevations. The mountain gorilla inhabits the + Albertine Rift montane cloud forests of the Virunga Volcanoes, ranging in + altitude from 2,200–4,300 metres (7,200–14,100 ft). Lowland gorillas live in + dense forests and lowland swamps and marshes as low as sea level, with + western lowland gorillas living in Central West African countries and + eastern lowland gorillas living in the Democratic Republic of the Congo near + its border with Rwanda.

+ +

Source Wikipedia

+ + + + + diff --git a/examples/hls-video/index.js b/examples/hls-video/index.js new file mode 100644 index 00000000..e0d510d9 --- /dev/null +++ b/examples/hls-video/index.js @@ -0,0 +1,113 @@ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +var vrView; +var playButton; +var muteButton; + +function onLoad() { + // Load VR View. + vrView = new VRView.Player('#vrview', { + width: '100%', + height: 480, + video: 'congo_2048.m3u8', + is_stereo: true, + loop: false, + //volume: 0.4, + //muted: true, + //is_debug: true, + //default_heading: 90, + //is_yaw_only: true, + //is_vr_off: true, + }); + + playButton = document.querySelector('#toggleplay'); + muteButton = document.querySelector('#togglemute'); + volumeRange = document.querySelector('#volumerange'); + timeContainer = document.querySelector('#time'); + + playButton.addEventListener('click', onTogglePlay); + muteButton.addEventListener('click', onToggleMute); + volumeRange.addEventListener('change', onVolumeChange); + volumeRange.addEventListener('input', onVolumeChange); + + // If you set mute: true, uncomment the line bellow. + // muteButton.classList.add('muted'); + + vrView.on('ready', onVRViewReady); + + vrView.on('play', function() { + console.log('media play'); + console.log(vrView.getDuration()); + }); + vrView.on('pause', function() { + console.log('media paused'); + }); + vrView.on('timeupdate', function(e) { + var current = formatTime(e.currentTime); + var duration = formatTime(e.duration); + timeContainer.innerText = current + ' | ' + duration; + console.log('currently playing ' + current + ' secs.'); + }); + vrView.on('ended', function() { + console.log('media ended'); + playButton.classList.add('paused'); + }); +} + +function onVRViewReady() { + console.log('vrView.isPaused', vrView.isPaused); + // Set the initial state of the buttons. + if (vrView.isPaused) { + playButton.classList.add('paused'); + } else { + playButton.classList.remove('paused'); + } +} + +function onTogglePlay() { + if (vrView.isPaused) { + vrView.play(); + playButton.classList.remove('paused'); + } else { + vrView.pause(); + playButton.classList.add('paused'); + } +} + +function onToggleMute() { + var isMuted = muteButton.classList.contains('muted'); + vrView.mute(!isMuted); + muteButton.classList.toggle('muted'); +} + +function onVolumeChange(e) { + vrView.setVolume(volumeRange.value / 100); +} + +function formatTime(time) { + time = !time || typeof time !== 'number' || time < 0 ? 0 : time; + + var minutes = Math.floor(time / 60) % 60; + var seconds = Math.floor(time % 60); + + minutes = minutes <= 0 ? 0 : minutes; + seconds = seconds <= 0 ? 0 : seconds; + + var result = (minutes < 10 ? '0' + minutes : minutes) + ':'; + result += seconds < 10 ? '0' + seconds : seconds; + return result; +} + +window.addEventListener('load', onLoad); diff --git a/examples/hotspots/index.js b/examples/hotspots/index.js index 1a99e9f2..93c336b3 100644 --- a/examples/hotspots/index.js +++ b/examples/hotspots/index.js @@ -13,13 +13,12 @@ * limitations under the License. */ var vrView; -var imageBase = 'examples/hotspots/'; // All the scenes for the experience var scenes = { dolphins: { - image: imageBase + 'dolphins.jpg', - preview: imageBase + 'dolphins-preview.jpg', + image: 'dolphins.jpg', + preview: 'dolphins-preview.jpg', hotspots: { whaleRight: { pitch: 0, @@ -42,8 +41,8 @@ var scenes = { } }, whaleLeft: { - image: imageBase + 'whale-left.jpg', - preview: imageBase + 'whale-left-preview.jpg', + image: 'whale-left.jpg', + preview: 'whale-left-preview.jpg', hotspots: { whaleRight: { pitch: 0, @@ -66,8 +65,8 @@ var scenes = { } }, whaleRight: { - image: imageBase + 'whale-right.jpg', - preview: imageBase + 'whale-right-preview.jpg', + image: 'whale-right.jpg', + preview: 'whale-right-preview.jpg', hotspots: { dolphins: { pitch: 0, @@ -90,8 +89,8 @@ var scenes = { } }, walrus: { - image: imageBase + 'walrus.jpg', - preview: imageBase + 'walrus-preview.jpg', + image: 'walrus.jpg', + preview: 'walrus-preview.jpg', hotspots: { whaleLeft: { pitch: 0, @@ -117,8 +116,8 @@ var scenes = { function onLoad() { vrView = new VRView.Player('#vrview', { - image: imageBase + 'blank.png', - preview: imageBase + 'blank.png', + image: 'blank.png', + preview: 'blank.png', is_stereo: true, is_autopan_off: true }); @@ -127,6 +126,7 @@ function onLoad() { vrView.on('modechange', onModeChange); vrView.on('click', onHotspotClick); vrView.on('error', onVRViewError); + vrView.on('getposition', onGetPosition); } function onVRViewReady(e) { @@ -138,9 +138,17 @@ function onModeChange(e) { console.log('onModeChange', e.mode); } +function onGetPosition(e) { + console.log(e); + +} + function onHotspotClick(e) { + vrView.getPosition() console.log('onHotspotClick', e.id); - loadScene(e.id); + if (e.id) { + loadScene(e.id); + } } function loadScene(id) { diff --git a/examples/index.html b/examples/index.html index 67947ae1..78cf30bc 100644 --- a/examples/index.html +++ b/examples/index.html @@ -1,9 +1,9 @@ - - VR View - examples - - + + VR View - examples + + @@ -14,45 +14,42 @@ flex-wrap: wrap; justify-content: center; } - .mdl-card { display: inline-block; margin: 20px; height: auto; } - .mdl-card div.mdl-card__title { - background-size: cover; - height: 150px; - color: #fff; - } + .mdl-card div.mdl-card__title { + background-size: cover; + height: 150px; + color: #fff; + } - - + +
-

Gallery

+

Gallery

Carousel of scenes, each one viewable by clicking/tapping a thumbnail.
Show example
-
-

Hotspots

+

Hotspots

Interactive hotspot experience, using the API to setup and travel between scenes.
Show example
-
-

Video

+

Video

360° video with playback controls to play/pause and mute/unmute the video.
@@ -61,5 +58,5 @@

Video

- + diff --git a/examples/style.css b/examples/style.css index 471bcbab..523521da 100644 --- a/examples/style.css +++ b/examples/style.css @@ -41,7 +41,7 @@ iframe { cursor: pointer; opacity: 0.5; } - + #controls > *:hover { opacity: 1; } @@ -54,9 +54,15 @@ iframe { height: 24px; } - #toggleplay.paused { - background: url('img/ic_play_arrow_black_24dp.svg'); - } +#toggleplay.paused { + background: url('img/ic_play_arrow_black_24dp.svg'); +} + +#time { + float: left; + height: 19px; + padding-top: 5px; +} #togglemute { float: right; @@ -65,9 +71,15 @@ iframe { height: 24px; } - #togglemute.muted { - background: url('img/ic_volume_off_black_24dp.svg'); - } +#togglemute.muted { + background: url('img/ic_volume_off_black_24dp.svg'); +} + +#volumerange { + float: right; + width: 100px; + height: 24px; +} /* MOBILE */ @media screen and (max-width: 700px) { diff --git a/examples/video/index.html b/examples/video/index.html index 7ca99660..7e25f993 100644 --- a/examples/video/index.html +++ b/examples/video/index.html @@ -18,7 +18,10 @@

The great apes from Central Africa

+
00:00 | 00:00
+
+

The eponymous genus Gorilla is divided into two species: the eastern diff --git a/examples/video/index.js b/examples/video/index.js index 804a8492..ef625081 100644 --- a/examples/video/index.js +++ b/examples/video/index.js @@ -21,21 +21,50 @@ function onLoad() { vrView = new VRView.Player('#vrview', { width: '100%', height: 480, - video: 'examples/video/congo_2048.mp4', + video: 'congo_2048.mp4', is_stereo: true, - is_debug: true, + loop: false, + //hide_fullscreen_button: true, + //volume: 0.4, + //muted: true, + //is_debug: true, //default_heading: 90, //is_yaw_only: true, - is_autopan_off: true, //is_vr_off: true, }); - vrView.on('ready', onVRViewReady); playButton = document.querySelector('#toggleplay'); muteButton = document.querySelector('#togglemute'); + volumeRange = document.querySelector('#volumerange'); + timeContainer = document.querySelector('#time'); playButton.addEventListener('click', onTogglePlay); muteButton.addEventListener('click', onToggleMute); + volumeRange.addEventListener('change', onVolumeChange); + volumeRange.addEventListener('input', onVolumeChange); + + // If you set mute: true, uncomment the line bellow. + // muteButton.classList.add('muted'); + + vrView.on('ready', onVRViewReady); + + vrView.on('play', function() { + console.log('media play'); + console.log(vrView.getDuration()); + }); + vrView.on('pause', function() { + console.log('media paused'); + }); + vrView.on('timeupdate', function(e) { + var current = formatTime(e.currentTime); + var duration = formatTime(e.duration); + timeContainer.innerText = current + ' | ' + duration; + console.log('currently playing ' + current + ' secs.'); + }); + vrView.on('ended', function() { + console.log('media ended'); + playButton.classList.add('paused'); + }); } function onVRViewReady() { @@ -60,12 +89,26 @@ function onTogglePlay() { function onToggleMute() { var isMuted = muteButton.classList.contains('muted'); - if (isMuted) { - vrView.setVolume(1); - } else { - vrView.setVolume(0); - } + vrView.mute(!isMuted); muteButton.classList.toggle('muted'); } +function onVolumeChange(e) { + vrView.setVolume(volumeRange.value / 100); +} + +function formatTime(time) { + time = !time || typeof time !== 'number' || time < 0 ? 0 : time; + + var minutes = Math.floor(time / 60) % 60; + var seconds = Math.floor(time % 60); + + minutes = minutes <= 0 ? 0 : minutes; + seconds = seconds <= 0 ? 0 : seconds; + + var result = (minutes < 10 ? '0' + minutes : minutes) + ':'; + result += seconds < 10 ? '0' + seconds : seconds; + return result; +} + window.addEventListener('load', onLoad); diff --git a/index-minified.html b/index-minified.html index 37efb201..0ff69283 100644 --- a/index-minified.html +++ b/index-minified.html @@ -1,38 +1,41 @@ - - VR view - - - - - - - - -

-
-

Error

-

An unknown error occurred.

-
-
+ + VR view + + + + + + + -
- + +
+
+

Error

+

An unknown error occurred.

+
+ +
+ +
+ + + + - - - + - + + + - - - diff --git a/index.html b/index.html index 5de41d06..a77261f5 100644 --- a/index.html +++ b/index.html @@ -1,38 +1,41 @@ - - VR view - - - - - - - - -
-
-

Error

-

An unknown error occurred.

-
-
+ + VR view + + + + + + + -
- + +
+
+

Error

+

An unknown error occurred.

+
+ +
+ +
+ + + + - - - + - + + + - - - diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 00000000..05976c81 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,2836 @@ +{ + "name": "vrview", + "version": "2.0.1", + "lockfileVersion": 1, + "dependencies": { + "@tweenjs/tween.js": { + "version": "16.8.0", + "resolved": "https://registry.npmjs.org/@tweenjs/tween.js/-/tween.js-16.8.0.tgz", + "integrity": "sha1-XEOWWQH9lVSycOISUfTRjuSQadM=" + }, + "acorn": { + "version": "4.0.13", + "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz", + "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=", + "dev": true + }, + "acorn-jsx": { + "version": "3.0.1", + "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz", + "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=", + "dev": true, + "dependencies": { + "acorn": { + "version": "3.3.0", + "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz", + "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=", + 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"es6-promise": "^3.0.2", "eventemitter3": "^1.2.0", + "lodash": "^4.17.5", "shaka-player": "^2.0.0", "stats-js": "^1.0.0-alpha1", - "three": "^0.81.0", - "tween.js": "^16.3.4", + "three": "^0.84.0", + "urijs": "^1.18.2", "webvr-boilerplate": "^0.4.6", - "webvr-polyfill": "^0.9.18" + "webvr-polyfill": "^0.9.38" + }, + "devDependencies": { + "browserify": "^13.1.1", + "debug": "^2.6.9", + "derequire": "^2.0.6", + "eslint": "^4.2.0", + "eslint-config-google": "^0.9.1", + "rollup": "^0.37.2", + "uglify-es": "^3.0.24", + "watchify": "^3.8.0" }, - "devDependencies": {}, "scripts": { - "build": "browserify src/embed/with-analytics.js | derequire | uglifyjs -c > build/embed.min.js && npm run build-three-closure", - "build-api": "browserify --standalone VRView src/api/main.js | derequire | uglifyjs -c > build/vrview.min.js", - "watch": "watchify src/embed/main.js -v -d -o build/embed.js", - "watch-api": "watchify --standalone VRView src/api/main.js -v -d -o build/vrview.js", - "build-three-closure": "rollup -c src/third_party/three/rollup.config.js && java -jar src/third_party/three/closure-compiler-v20160713.jar --warning_level=VERBOSE --jscomp_off=globalThis --jscomp_off=checkTypes --externs src/third_party/three/externs.js --language_in=ECMASCRIPT5_STRICT --js build/three.js --js_output_file build/three.min.js", - "build-dms": "uglifyjs scripts/js/device-motion-sender.js > build/device-motion-sender.min.js" + "_mkdir": "mkdir -p build", + "build-min": "npm run _mkdir && browserify src/embed/main.js | derequire | uglifyjs -c > build/embed.min.js && npm run build-three-closure", + "build-dev": "npm run _mkdir && browserify src/embed/main.js | derequire > build/embed.js && npm run build-three-closure", + "build-analytics-min": "npm run _mkdir && browserify src/embed/with-analytics.js | derequire | uglifyjs -c > build/embed.min.js && npm run build-three-closure", + "build-analytics-dev": "npm run _mkdir && browserify src/embed/with-analytics.js | derequire > build/embed.js && npm run build-three-closure", + "build-api-min": "npm run _mkdir && browserify --standalone VRView src/api/main.js | derequire | uglifyjs -c > build/vrview.min.js", + "build-api-dev": "npm run _mkdir && browserify --standalone VRView src/api/main.js | derequire > build/vrview.js", + "build": "npm run build-min; npm run build-dev; npm run build-api", + "build-analytics": "npm run build-analytics-min; npm run build-analytics-dev; npm run build-api", + "build-api": "npm run build-api-min; npm run build-api-dev", + "watch": "npm run _mkdir && watchify src/embed/main.js -v -d -o build/embed.js", + "watch-api": "npm run _mkdir && watchify --standalone VRView src/api/main.js -v -d -o build/vrview.js", + "build-three-closure": "npm run _mkdir && rollup -c src/third_party/three/rollup.config.js && java -jar src/third_party/three/closure-compiler-v20160713.jar --warning_level=VERBOSE --jscomp_off=globalThis --jscomp_off=checkTypes --externs src/third_party/three/externs.js --language_in=ECMASCRIPT5_STRICT --js build/three.js --js_output_file build/three.min.js", + "build-dms": "npm run _mkdir && uglifyjs scripts/js/device-motion-sender.js > build/device-motion-sender.min.js", + "build-all": "npm run build-analytics; npm run build-three-closure; npm run build-dms", + "test": "npm run build" }, "repository": { "type": "git", diff --git a/src/api/iframe-message-sender.js b/src/api/iframe-message-sender.js index 339f0caa..d11491ac 100644 --- a/src/api/iframe-message-sender.js +++ b/src/api/iframe-message-sender.js @@ -29,7 +29,7 @@ function IFrameMessageSender(iframe) { this.iframe = iframe; // On iOS, if the iframe is across domains, also send DeviceMotion data. - if (this.isIOS_() && this.isCrossDomainIframe_()) { + if (this.isIOS_()) { window.addEventListener('devicemotion', this.onDeviceMotion_.bind(this), false); } } @@ -68,7 +68,8 @@ IFrameMessageSender.prototype.cloneDeviceMotionEvent_ = function(e) { beta: e.rotationRate.beta, gamma: e.rotationRate.gamma, }, - interval: e.interval + interval: e.interval, + timeStamp: e.timeStamp }; }; @@ -76,16 +77,4 @@ IFrameMessageSender.prototype.isIOS_ = function() { return /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream; }; -// From http://stackoverflow.com/questions/12381334/foolproof-way-to-detect-if-iframe-is-cross-domain. -IFrameMessageSender.prototype.isCrossDomainIframe_ = function(iframe) { - var html = null; - try { - var doc = iframe.contentDocument || iframe.contentWindow.document; - html = doc.body.innerHTML; - } catch (err) { - } - - return (html === null); -}; - module.exports = IFrameMessageSender; diff --git a/src/api/player.js b/src/api/player.js index 26f784d6..e4176c2a 100644 --- a/src/api/player.js +++ b/src/api/player.js @@ -19,7 +19,7 @@ var Message = require('../message'); var Util = require('../util'); // Save the executing script. This will be used to calculate the embed URL. -var CURRENT_SCRIPT_SRC = document.currentScript.src; +var CURRENT_SCRIPT_SRC = Util.getCurrentScript().src; var FAKE_FULLSCREEN_CLASS = 'vrview-fake-fullscreen'; /** @@ -30,9 +30,9 @@ var FAKE_FULLSCREEN_CLASS = 'vrview-fake-fullscreen'; * modechange: When the viewing mode changes (normal, fullscreen, VR). * click (id): When a hotspot is clicked. */ -function Player(selector, params) { +function Player(selector, contentInfo) { // Create a VR View iframe depending on the parameters. - var iframe = this.createIframe_(params); + var iframe = this.createIframe_(contentInfo); this.iframe = iframe; var parentEl = document.querySelector(selector); @@ -47,6 +47,17 @@ function Player(selector, params) { // Expose a public .isPaused attribute. this.isPaused = false; + // Expose a public .isMuted attribute. + this.isMuted = false; + if (typeof contentInfo.muted !== 'undefined') { + this.isMuted = contentInfo.muted; + } + + // Other public attributes + this.currentTime = 0; + this.duration = 0; + this.volume = contentInfo.volume != undefined ? contentInfo.volume : 1; + if (Util.isIOS()) { this.injectFullscreenStylesheet_(); } @@ -83,7 +94,12 @@ Player.prototype.pause = function() { this.sender.send({type: Message.PAUSE}); }; +/** + * Equivalent of HTML5 setSrc(). + * @param {String} contentInfo + */ Player.prototype.setContent = function(contentInfo) { + this.absolutifyPaths_(contentInfo); var data = { contentInfo: contentInfo }; @@ -100,28 +116,66 @@ Player.prototype.setVolume = function(volumeLevel) { this.sender.send({type: Message.SET_VOLUME, data: data}); }; +Player.prototype.getVolume = function() { + return this.volume; +}; + +/** + * Sets the mute state of the video element. true is muted, false is unmuted. + */ +Player.prototype.mute = function(muteState) { + var data = { + muteState: muteState + }; + this.sender.send({type: Message.MUTED, data: data}); +}; + +/** + * Set the current time of the media being played + * @param {Number} time + */ +Player.prototype.setCurrentTime = function(time) { + var data = { + currentTime: time + }; + this.sender.send({type: Message.SET_CURRENT_TIME, data: data}); +}; + +Player.prototype.getCurrentTime = function() { + return this.currentTime; +}; + +Player.prototype.getDuration = function() { + return this.duration; +}; +Player.prototype.setFullscreen = function() { + this.sender.send({type: Message.SET_FULLSCREEN}); +}; + /** * Helper for creating an iframe. * * @return {IFrameElement} The iframe. */ -Player.prototype.createIframe_ = function(params) { +Player.prototype.createIframe_ = function(contentInfo) { + this.absolutifyPaths_(contentInfo); + var iframe = document.createElement('iframe'); iframe.setAttribute('allowfullscreen', true); iframe.setAttribute('scrolling', 'no'); iframe.style.border = 0; // Handle iframe size if width and height are specified. - if (params.hasOwnProperty('width')) { - iframe.setAttribute('width', params.width); - delete params.width; + if (contentInfo.hasOwnProperty('width')) { + iframe.setAttribute('width', contentInfo.width); + delete contentInfo.width; } - if (params.hasOwnProperty('height')) { - iframe.setAttribute('height', params.height); - delete params.height; + if (contentInfo.hasOwnProperty('height')) { + iframe.setAttribute('height', contentInfo.height); + delete contentInfo.height; } - var url = this.getEmbedUrl_() + Util.createGetParams(params); + var url = this.getEmbedUrl_() + Util.createGetParams(contentInfo); iframe.src = url; return iframe; @@ -129,19 +183,47 @@ Player.prototype.createIframe_ = function(params) { Player.prototype.onMessage_ = function(event) { var message = event.data; + if (!message || !message.type) { + console.warn('Received message with no type.'); + return; + } var type = message.type.toLowerCase(); var data = message.data; - switch (type) { case 'ready': + if (data !== undefined && data.duration !== undefined) { + this.duration = data.duration; + } case 'modechange': case 'error': case 'click': + case 'ended': + case 'getposition': this.emit(type, data); break; + case 'volumechange': + this.volume = data; + this.emit('volumechange', data); + break; + case 'muted': + this.isMuted = data; + this.emit('mute', data); + break; + case 'timeupdate': + this.currentTime = data; + this.emit('timeupdate', { + currentTime: this.currentTime, + duration: this.duration + }); + break; + case 'play': case 'paused': - console.log('isPaused', data); this.isPaused = data; + if (this.isPaused) { + this.emit('pause', data); + } else { + this.emit('play', data); + } break; case 'enter-fullscreen': case 'enter-vr': @@ -191,7 +273,9 @@ Player.prototype.injectFullscreenStylesheet_ = function() { Player.prototype.getEmbedUrl_ = function() { // Assume that the script is in $ROOT/build/something.js, and that the iframe - // HTML is in $ROOT. + // HTML is in $ROOT/index.html. + // + // E.g: /vrview/2.0/build/vrview.min.js => /vrview/2.0/index.html. var path = CURRENT_SCRIPT_SRC; var split = path.split('/'); var rootSplit = split.slice(0, split.length - 2); @@ -199,5 +283,34 @@ Player.prototype.getEmbedUrl_ = function() { return rootPath + '/index.html'; }; +Player.prototype.getDirName_ = function() { + var path = window.location.pathname; + path = path.substring(0, path.lastIndexOf('/')); + return location.protocol + '//' + location.host + path; +}; + +/** + * Make all of the URLs inside contentInfo absolute instead of relative. + */ +Player.prototype.absolutifyPaths_ = function(contentInfo) { + var dirName = this.getDirName_(); + var urlParams = ['image', 'preview', 'video']; + + for (var i = 0; i < urlParams.length; i++) { + var name = urlParams[i]; + var path = contentInfo[name]; + if (path && Util.isPathAbsolute(path)) { + var absolute = Util.relativeToAbsolutePath(dirName, path); + contentInfo[name] = absolute; + //console.log('Converted to absolute: %s', absolute); + } + } +}; +/** + * Get position YAW, PITCH + */ +Player.prototype.getPosition = function() { + this.sender.send({type: Message.GET_POSITION, data: {}}); +}; module.exports = Player; diff --git a/src/embed/adaptive-player.js b/src/embed/adaptive-player.js index caa55fb7..29eedd0c 100644 --- a/src/embed/adaptive-player.js +++ b/src/embed/adaptive-player.js @@ -16,11 +16,8 @@ var EventEmitter = require('eventemitter3'); var shaka = require('shaka-player'); -var Types = { - HLS: 1, - DASH: 2, - VIDEO: 3 -}; +var Types = require('../video-type'); +var Util = require('../util'); var DEFAULT_BITS_PER_SECOND = 1000000; @@ -34,9 +31,25 @@ var DEFAULT_BITS_PER_SECOND = 1000000; * * To play/pause/seek/etc, please use the underlying video element. */ -function AdaptivePlayer() { +function AdaptivePlayer(params) { this.video = document.createElement('video'); - this.video.loop = true; + // Loop by default. + if (params.loop === true) { + this.video.setAttribute('loop', true); + } + + if (params.volume !== undefined) { + // XXX: .setAttribute('volume', params.volume) doesn't work for some reason. + this.video.volume = params.volume; + } + + // Not muted by default. + if (params.muted === true) { + this.video.muted = params.muted; + } + + // For FF, make sure we enable preload. + this.video.setAttribute('preload', 'auto'); // Enable inline video playback in iOS 10+. this.video.setAttribute('playsinline', true); this.video.setAttribute('crossorigin', 'anonymous'); @@ -56,7 +69,7 @@ AdaptivePlayer.prototype.load = function(url) { this.type = Types.HLS; if (Util.isSafari()) { this.loadVideo_(url).then(function() { - self.emit('load', self.video); + self.emit('load', self.video, self.type); }).catch(this.onError_.bind(this)); } else { self.onError_('HLS is only supported on Safari.'); @@ -66,13 +79,13 @@ AdaptivePlayer.prototype.load = function(url) { this.type = Types.DASH; this.loadShakaVideo_(url).then(function() { console.log('The video has now been loaded!'); - self.emit('load', self.video); + self.emit('load', self.video, self.type); }).catch(this.onError_.bind(this)); break; default: // A regular video, not an adaptive manifest. this.type = Types.VIDEO; this.loadVideo_(url).then(function() { - self.emit('load', self.video); + self.emit('load', self.video, self.type); }).catch(this.onError_.bind(this)); break; } @@ -92,10 +105,16 @@ AdaptivePlayer.prototype.onError_ = function(e) { }; AdaptivePlayer.prototype.loadVideo_ = function(url) { - var video = this.video; + var self = this, video = self.video; return new Promise(function(resolve, reject) { video.src = url; video.addEventListener('canplaythrough', resolve); + video.addEventListener('loadedmetadata', function() { + self.emit('timeupdate', { + currentTime: video.currentTime, + duration: video.duration + }); + }); video.addEventListener('error', reject); video.load(); }); diff --git a/src/embed/hotspot-renderer.js b/src/embed/hotspot-renderer.js index 7f302c48..6e8cb140 100644 --- a/src/embed/hotspot-renderer.js +++ b/src/embed/hotspot-renderer.js @@ -13,7 +13,9 @@ * limitations under the License. */ var EventEmitter = require('eventemitter3'); -var TWEEN = require('tween.js'); +var TWEEN = require('@tweenjs/tween.js'); + +var Util = require('../util'); // Constants for the focus/blur animation. var NORMAL_SCALE = new THREE.Vector3(1, 1, 1); @@ -37,7 +39,7 @@ var FADE_END_ANGLE_DEG = 60; * Adding and removing hotspots. * Rendering the hotspots (debug mode only). * Notifying when hotspots are interacted with. - * + * * Emits the following events: * click (id): a hotspot is clicked. * focus (id): a hotspot is focused. @@ -92,7 +94,6 @@ HotspotRenderer.prototype = new EventEmitter(); * @param hotspotId {String} The ID of the hotspot. */ HotspotRenderer.prototype.add = function(pitch, yaw, radius, distance, id) { - console.log('HotspotRenderer.add', pitch, yaw, radius, distance, id); // If a hotspot already exists with this ID, stop. if (this.hotspots[id]) { // TODO: Proper error reporting. @@ -104,10 +105,10 @@ HotspotRenderer.prototype.add = function(pitch, yaw, radius, distance, id) { // Position the hotspot based on the pitch and yaw specified. var quat = new THREE.Quaternion(); - quat.setFromEuler(new THREE.Euler(THREE.Math.degToRad(pitch), THREE.Math.degToRad(yaw), 0)); + quat.setFromEuler(new THREE.Euler(THREE.Math.degToRad(pitch), THREE.Math.degToRad(yaw), 0, 'ZYX')); hotspot.position.applyQuaternion(quat); hotspot.lookAt(new THREE.Vector3()); - + this.hotspotRoot.add(hotspot); this.hotspots[id] = hotspot; } @@ -119,7 +120,7 @@ HotspotRenderer.prototype.add = function(pitch, yaw, radius, distance, id) { */ HotspotRenderer.prototype.remove = function(id) { // If there's no hotspot with this ID, fail. - if (!this.hotspots[id]) { + if (!this.hotspots[id]) { // TODO: Proper error reporting. console.error('Attempt to remove non-existing hotspot with id %s.', id); return; @@ -156,7 +157,7 @@ HotspotRenderer.prototype.update = function(camera) { this.pointer.set(0, 0); } // Update the picking ray with the camera and mouse position. - this.raycaster.setFromCamera(this.pointer, camera); + this.raycaster.setFromCamera(this.pointer, camera); // Fade hotspots out if they are really far from center to avoid overly // distorted visuals. @@ -218,7 +219,7 @@ HotspotRenderer.prototype.onTouchStart_ = function(e) { HotspotRenderer.prototype.onTouchEnd_ = function(e) { // If no hotspots are pressed, emit an empty click event. - if (!this.downHotspots) { + if (Util.isEmptyObject(this.downHotspots)) { this.emit('click'); return; } @@ -235,7 +236,7 @@ HotspotRenderer.prototype.updateTouch_ = function(e) { var size = this.getSize_(); var touch = e.touches[0]; this.pointer.x = (touch.clientX / size.width) * 2 - 1; - this.pointer.y = - (touch.clientY / size.height) * 2 + 1; + this.pointer.y = - (touch.clientY / size.height) * 2 + 1; }; HotspotRenderer.prototype.onMouseDown_ = function(e) { @@ -256,7 +257,7 @@ HotspotRenderer.prototype.onMouseUp_ = function(e) { this.updateMouse_(e); // If no hotspots are pressed, emit an empty click event. - if (!this.downHotspots) { + if (Util.isEmptyObject(this.downHotspots)) { this.emit('click'); return; } @@ -273,7 +274,7 @@ HotspotRenderer.prototype.onMouseUp_ = function(e) { HotspotRenderer.prototype.updateMouse_ = function(e) { var size = this.getSize_(); this.pointer.x = (e.clientX / size.width) * 2 - 1; - this.pointer.y = - (e.clientY / size.height) * 2 + 1; + this.pointer.y = - (e.clientY / size.height) * 2 + 1; }; HotspotRenderer.prototype.getSize_ = function() { @@ -303,7 +304,7 @@ HotspotRenderer.prototype.createHotspot_ = function(radius, distance) { // Position at the extreme end of the sphere. var hotspot = new THREE.Object3D(); hotspot.position.z = -distance; - hotspot.scale.set(NORMAL_SCALE); + hotspot.scale.copy(NORMAL_SCALE); hotspot.add(inner); hotspot.add(outer); @@ -352,6 +353,12 @@ HotspotRenderer.prototype.focus_ = function(id) { this.tween = new TWEEN.Tween(hotspot.scale).to(FOCUS_SCALE, FOCUS_DURATION) .easing(TWEEN.Easing.Quadratic.InOut) .start(); + + if (this.worldRenderer.isVRMode()) { + this.timeForHospotClick = setTimeout(function () { + this.emit('click', id); + }, 1200 ) + } }; HotspotRenderer.prototype.blur_ = function(id) { @@ -360,6 +367,10 @@ HotspotRenderer.prototype.blur_ = function(id) { this.tween = new TWEEN.Tween(hotspot.scale).to(NORMAL_SCALE, FOCUS_DURATION) .easing(TWEEN.Easing.Quadratic.InOut) .start(); + + if (this.timeForHospotClick) { + clearTimeout( this.timeForHospotClick ); + } }; HotspotRenderer.prototype.down_ = function(id) { diff --git a/src/embed/iframe-message-receiver.js b/src/embed/iframe-message-receiver.js index 6ff81e3d..8bcd1a8c 100644 --- a/src/embed/iframe-message-receiver.js +++ b/src/embed/iframe-message-receiver.js @@ -14,6 +14,7 @@ */ var EventEmitter = require('eventemitter3'); var Message = require('../message'); +var Util = require('../util'); /** @@ -24,8 +25,12 @@ var Message = require('../message'); * Adding hotspots. * Sending messages back to the containing iframe when hotspot is clicked * Sending analytics events to containing iframe. - * Receiving DeviceMotion events and resynthesizing them in this iframe - * (workaround for https://bugs.webkit.org/show_bug.cgi?id=150072). + * + * Note: this script used to also respond to synthetic devicemotion events, but + * no longer does so. This is because as of iOS 9.2, Safari disallows listening + * for devicemotion events within cross-device iframes. To work around this, the + * webvr-polyfill responds to the postMessage event containing devicemotion + * information (sent by the iframe-message-sender in the VR View API). */ function IFrameMessageReceiver() { window.addEventListener('message', this.onMessage_.bind(this), false); @@ -33,43 +38,31 @@ function IFrameMessageReceiver() { IFrameMessageReceiver.prototype = new EventEmitter(); IFrameMessageReceiver.prototype.onMessage_ = function(event) { - console.log('onMessage_', event); + if (Util.isDebug()) { + console.log('onMessage_', event); + } var message = event.data; var type = message.type.toLowerCase(); var data = message.data; switch (type) { - case Message.DEVICE_MOTION: - // Synthesize a DeviceMotion event. - this.synthesizeDeviceMotionEvent_(message.deviceMotionEvent); - break; case Message.SET_CONTENT: case Message.SET_VOLUME: + case Message.MUTED: case Message.ADD_HOTSPOT: case Message.PLAY: case Message.PAUSE: - // TODO(smus): Emit the event + case Message.SET_CURRENT_TIME: + case Message.GET_POSITION: + case Message.SET_FULLSCREEN: this.emit(type, data); break; default: - console.warn('Got unknown message of type %s from %s', message.type, message.origin); + if (Util.isDebug()) { + console.warn('Got unknown message of type %s from %s', message.type, message.origin); + } } }; -IFrameMessageReceiver.prototype.synthesizeDeviceMotionEvent_ = function(eventData) { - var type = 'devicemotion-iframe'; - var canBubble = false; - var cancelable = false; - - var dme = document.createEvent('DeviceMotionEvent'); - dme.initDeviceMotionEvent(type, canBubble, cancelable, - eventData.acceleration, - eventData.accelerationIncludingGravity, - eventData.rotationRate, - eventData.interval); - - window.dispatchEvent(dme); -}; - module.exports = IFrameMessageReceiver; diff --git a/src/embed/main.js b/src/embed/main.js index ddc955b4..8f67af8b 100644 --- a/src/embed/main.js +++ b/src/embed/main.js @@ -36,20 +36,28 @@ receiver.on(Message.PAUSE, onPauseRequest); receiver.on(Message.ADD_HOTSPOT, onAddHotspot); receiver.on(Message.SET_CONTENT, onSetContent); receiver.on(Message.SET_VOLUME, onSetVolume); +receiver.on(Message.MUTED, onMuted); +receiver.on(Message.SET_CURRENT_TIME, onUpdateCurrentTime); +receiver.on(Message.GET_POSITION, onGetPosition); +receiver.on(Message.SET_FULLSCREEN, onSetFullscreen); window.addEventListener('load', onLoad); var stats = new Stats(); +var scene = SceneInfo.loadFromGetParams(); -var worldRenderer = new WorldRenderer(); +var worldRenderer = new WorldRenderer(scene); worldRenderer.on('error', onRenderError); worldRenderer.on('load', onRenderLoad); worldRenderer.on('modechange', onModeChange); +worldRenderer.on('ended', onEnded); +worldRenderer.on('play', onPlay); worldRenderer.hotspotRenderer.on('click', onHotspotClick); window.worldRenderer = worldRenderer; var isReadySent = false; +var volume = 0; function onLoad() { if (!Util.isWebGLEnabled()) { @@ -58,7 +66,6 @@ function onLoad() { } // Load the scene. - var scene = SceneInfo.loadFromGetParams(); worldRenderer.setScene(scene); if (scene.isDebug) { @@ -85,6 +92,9 @@ function onVideoTap() { function onRenderLoad(event) { if (event.videoElement) { + + var scene = SceneInfo.loadFromGetParams(); + // On mobile, tell the user they need to tap to start. Otherwise, autoplay. if (Util.isMobile()) { // Tell user to tap to start. @@ -97,21 +107,32 @@ function onRenderLoad(event) { // Attach to pause and play events, to notify the API. event.videoElement.addEventListener('pause', onPause); event.videoElement.addEventListener('play', onPlay); + event.videoElement.addEventListener('timeupdate', onGetCurrentTime); + event.videoElement.addEventListener('ended', onEnded); } // Hide loading indicator. loadIndicator.hide(); // Autopan only on desktop, for photos only, and only if autopan is enabled. - if (!Util.isMobile() && !worldRenderer.sceneInfo.video && - !worldRenderer.sceneInfo.isAutopanOff) { + if (!Util.isMobile() && !worldRenderer.sceneInfo.video && !worldRenderer.sceneInfo.isAutopanOff) { worldRenderer.autopan(); } // Notify the API that we are ready, but only do this once. if (!isReadySent) { - Util.sendParentMessage({ - type: 'ready' - }); + if (event.videoElement) { + Util.sendParentMessage({ + type: 'ready', + data: { + duration: event.videoElement.duration + } + }); + } else { + Util.sendParentMessage({ + type: 'ready' + }); + } + isReadySent = true; } } @@ -133,7 +154,9 @@ function onPauseRequest() { } function onAddHotspot(e) { - console.log('onAddHotspot', e); + if (Util.isDebug()) { + console.log('onAddHotspot', e); + } // TODO: Implement some validation? var pitch = parseFloat(e.pitch); @@ -145,7 +168,9 @@ function onAddHotspot(e) { } function onSetContent(e) { - console.log('onSetContent', e); + if (Util.isDebug()) { + console.log('onSetContent', e); + } // Remove all of the hotspots. worldRenderer.hotspotRenderer.clearAll(); // Fade to black. @@ -157,7 +182,7 @@ function onSetContent(e) { // Update the URL to reflect the new scene. This is important particularily // on iOS where we use a fake fullscreen mode. var url = scene.getCurrentUrl(); - console.log('Updating url to be %s', url); + //console.log('Updating url to be %s', url); window.history.pushState(null, 'VR View', url); // And set the new scene. @@ -174,7 +199,54 @@ function onSetVolume(e) { onApiError('Attempt to set volume, but no video found.'); return; } + worldRenderer.videoProxy.setVolume(e.volumeLevel); + volume = e.volumeLevel; + Util.sendParentMessage({ + type: 'volumechange', + data: e.volumeLevel + }); +} + +function onMuted(e) { + // Only work for video. If there's no video, send back an error. + if (!worldRenderer.videoProxy) { + onApiError('Attempt to mute, but no video found.'); + return; + } + + worldRenderer.videoProxy.mute(e.muteState); + + Util.sendParentMessage({ + type: 'muted', + data: e.muteState + }); +} + +function onUpdateCurrentTime(time) { + if (!worldRenderer.videoProxy) { + onApiError('Attempt to pause, but no video found.'); + return; + } + + worldRenderer.videoProxy.setCurrentTime(time); + onGetCurrentTime(); +} + +function onGetCurrentTime() { + var time = worldRenderer.videoProxy.getCurrentTime(); + Util.sendParentMessage({ + type: 'timeupdate', + data: time + }); +} + +function onSetFullscreen() { + if (!worldRenderer.videoProxy) { + onApiError('Attempt to set fullscreen, but no video found.'); + return; + } + worldRenderer.manager.onFSClick_(); } function onApiError(message) { @@ -213,6 +285,13 @@ function onPause() { }); } +function onEnded() { + Util.sendParentMessage({ + type: 'ended', + data: true + }); +} + function onSceneError(message) { showError('Loader: ' + message); } @@ -221,16 +300,20 @@ function onRenderError(message) { showError('Render: ' + message); } -function showError(message, opt_title) { +function showError(message) { // Hide loading indicator. loadIndicator.hide(); + // Sanitize `message` as it could contain user supplied + // values. Re-add the space character as to not modify the + // error messages used throughout the codebase. + message = encodeURI(message).replace(/%20/g, ' '); + var error = document.querySelector('#error'); error.classList.add('visible'); error.querySelector('.message').innerHTML = message; - var title = (opt_title !== undefined ? opt_title : 'Error'); - error.querySelector('.title').innerHTML = title; + error.querySelector('.title').innerHTML = 'Error'; } function hideError() { @@ -275,3 +358,12 @@ function loop(time) { worldRenderer.submitFrame(); stats.end(); } +function onGetPosition() { + Util.sendParentMessage({ + type: 'getposition', + data: { + Yaw: worldRenderer.camera.rotation.y * 180 / Math.PI, + Pitch: worldRenderer.camera.rotation.x * 180 / Math.PI + } + }); +} diff --git a/src/embed/scene-info.js b/src/embed/scene-info.js index 11d65a4a..d283b576 100644 --- a/src/embed/scene-info.js +++ b/src/embed/scene-info.js @@ -13,16 +13,22 @@ * limitations under the License. */ +var Util = require('../util'); + var CAMEL_TO_UNDERSCORE = { video: 'video', image: 'image', preview: 'preview', + loop: 'loop', + volume: 'volume', + muted: 'muted', isStereo: 'is_stereo', defaultYaw: 'default_yaw', isYawOnly: 'is_yaw_only', isDebug: 'is_debug', isVROff: 'is_vr_off', isAutopanOff: 'is_autopan_off', + hideFullscreenButton: 'hide_fullscreen_button' }; /** @@ -30,10 +36,15 @@ var CAMEL_TO_UNDERSCORE = { */ function SceneInfo(opt_params) { var params = opt_params || {}; + params.player = { + loop: opt_params.loop, + volume: opt_params.volume, + muted: opt_params.muted + }; - this.image = params.image; - this.preview = params.preview; - this.video = params.video; + this.image = params.image !== undefined ? encodeURI(params.image) : undefined; + this.preview = params.preview !== undefined ? encodeURI(params.preview) : undefined; + this.video = params.video !== undefined ? encodeURI(params.video) : undefined; this.defaultYaw = THREE.Math.degToRad(params.defaultYaw || 0); this.isStereo = Util.parseBoolean(params.isStereo); @@ -41,13 +52,19 @@ function SceneInfo(opt_params) { this.isDebug = Util.parseBoolean(params.isDebug); this.isVROff = Util.parseBoolean(params.isVROff); this.isAutopanOff = Util.parseBoolean(params.isAutopanOff); + this.loop = Util.parseBoolean(params.player.loop); + this.volume = parseFloat( + params.player.volume ? params.player.volume : '1'); + this.muted = Util.parseBoolean(params.player.muted); + this.hideFullscreenButton = Util.parseBoolean(params.hideFullscreenButton); } SceneInfo.loadFromGetParams = function() { var params = {}; for (var camelCase in CAMEL_TO_UNDERSCORE) { var underscore = CAMEL_TO_UNDERSCORE[camelCase]; - params[camelCase] = Util.getQueryParameter(underscore); + params[camelCase] = Util.getQueryParameter(underscore) + || ((window.WebVRConfig && window.WebVRConfig.PLAYER) ? window.WebVRConfig.PLAYER[underscore] : ""); } var scene = new SceneInfo(params); if (!scene.isValid()) { @@ -77,10 +94,6 @@ SceneInfo.prototype.isValid = function() { this.errorMessage = 'Either image or video URL must be specified.'; return false; } - if (this.image && this.video) { - this.errorMessage = 'Both image and video URL can\'t be specified.'; - return false; - } if (this.image && !this.isValidImage_(this.image)) { this.errorMessage = 'Invalid image URL: ' + this.image; return false; diff --git a/src/embed/sphere-renderer.js b/src/embed/sphere-renderer.js index 51938ad6..f454d727 100644 --- a/src/embed/sphere-renderer.js +++ b/src/embed/sphere-renderer.js @@ -14,8 +14,9 @@ */ var Eyes = require('./eyes'); -var TWEEN = require('tween.js'); +var TWEEN = require('@tweenjs/tween.js'); var Util = require('../util'); +var VideoType = require('../video-type'); function SphereRenderer(scene) { this.scene = scene; @@ -51,7 +52,7 @@ SphereRenderer.prototype.setPhotosphere = function(src, opt_params) { /** * @return {Promise} Yeah. */ -SphereRenderer.prototype.set360Video = function(videoElement, opt_params) { +SphereRenderer.prototype.set360Video = function (videoElement, videoType, opt_params) { return new Promise(function(resolve, reject) { this.resolve = resolve; this.reject = reject; @@ -62,10 +63,18 @@ SphereRenderer.prototype.set360Video = function(videoElement, opt_params) { // Load the video texture. var videoTexture = new THREE.VideoTexture(videoElement); - videoTexture.minFilter = THREE.NearestFilter; - videoTexture.magFilter = THREE.NearestFilter; - videoTexture.format = THREE.RGBFormat; + videoTexture.minFilter = THREE.LinearFilter; + videoTexture.magFilter = THREE.LinearFilter; videoTexture.generateMipmaps = false; + + if (Util.isSafari() && videoType === VideoType.HLS) { + // fix black screen issue on safari + videoTexture.format = THREE.RGBAFormat; + videoTexture.flipY = false; + } else { + videoTexture.format = THREE.RGBFormat; + } + videoTexture.needsUpdate = true; this.onTextureLoaded_(videoTexture); @@ -111,10 +120,13 @@ SphereRenderer.prototype.onTextureLoaded_ = function(texture) { // Display in left and right eye respectively. sphereLeft.layers.set(Eyes.LEFT); sphereLeft.eye = Eyes.LEFT; + sphereLeft.name = 'eyeLeft'; sphereRight.layers.set(Eyes.RIGHT); sphereRight.eye = Eyes.RIGHT; + sphereRight.name = 'eyeRight'; + - this.scene.getObjectByName('photo').children = [sphereLeft, sphereRight]; + this.scene.getObjectByName('photo').children = [sphereLeft, sphereRight]; this.resolve(); }; @@ -148,7 +160,30 @@ SphereRenderer.prototype.createPhotosphere_ = function(texture, opt_params) { } } - var material = new THREE.MeshBasicMaterial({ map: texture }); + var material; + if (texture.format === THREE.RGBAFormat && texture.flipY === false) { + material = new THREE.ShaderMaterial({ + uniforms: { + texture: { value: texture } + }, + vertexShader: [ + "varying vec2 vUV;", + "void main() {", + " vUV = vec2( uv.x, 1.0 - uv.y );", + " gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );", + "}" + ].join("\n"), + fragmentShader: [ + "uniform sampler2D texture;", + "varying vec2 vUV;", + "void main() {", + " gl_FragColor = texture2D( texture, vUV )" + (Util.isIOS() ? ".bgra" : "") + ";", + "}" + ].join("\n") + }); + } else { + material = new THREE.MeshBasicMaterial({ map: texture }); + } var out = new THREE.Mesh(geometry, material); //out.visible = false; out.renderOrder = -1; diff --git a/src/embed/video-proxy.js b/src/embed/video-proxy.js index caf9fdab..3291d403 100644 --- a/src/embed/video-proxy.js +++ b/src/embed/video-proxy.js @@ -73,6 +73,37 @@ VideoProxy.prototype.setVolume = function(volumeLevel) { } }; +/** + * Set the attribute mute of the elements according with the muteState param. + * + * @param bool muteState + */ +VideoProxy.prototype.mute = function(muteState) { + if (this.videoElement) { + this.videoElement.muted = muteState; + } + if (this.audioElement) { + this.audioElement.muted = muteState; + } +}; + +VideoProxy.prototype.getCurrentTime = function() { + return Util.isIOS9OrLess() ? this.audioElement.currentTime : this.videoElement.currentTime; +}; + +/** + * + * @param {Object} time + */ +VideoProxy.prototype.setCurrentTime = function(time) { + if (this.videoElement) { + this.videoElement.currentTime = time.currentTime; + } + if (this.audioElement) { + this.audioElement.currentTime = time.currentTime; + } +}; + /** * Called on RAF to progress playback. */ diff --git a/src/embed/world-renderer.js b/src/embed/world-renderer.js index 21329d48..92ebebfb 100644 --- a/src/embed/world-renderer.js +++ b/src/embed/world-renderer.js @@ -18,7 +18,7 @@ var Eyes = require('./eyes'); var HotspotRenderer = require('./hotspot-renderer'); var ReticleRenderer = require('./reticle-renderer'); var SphereRenderer = require('./sphere-renderer'); -var TWEEN = require('tween.js'); +var TWEEN = require('@tweenjs/tween.js'); var Util = require('../util'); var VideoProxy = require('./video-proxy'); var WebVRManager = require('webvr-boilerplate'); @@ -40,22 +40,30 @@ var AUTOPAN_ANGLE = 0.4; * error: if there is an error loading the scene. * modechange(Boolean isVR): if the mode (eg. VR, fullscreen, etc) changes. */ -function WorldRenderer() { - this.init_(); +function WorldRenderer(params) { + this.init_(params.hideFullscreenButton); this.sphereRenderer = new SphereRenderer(this.scene); this.hotspotRenderer = new HotspotRenderer(this); this.hotspotRenderer.on('focus', this.onHotspotFocus_.bind(this)); this.hotspotRenderer.on('blur', this.onHotspotBlur_.bind(this)); this.reticleRenderer = new ReticleRenderer(this.camera); + + // Get the VR Display as soon as we initialize. + navigator.getVRDisplays().then(function(displays) { + if (displays.length > 0) { + this.vrDisplay = displays[0]; + } + }.bind(this)); + } WorldRenderer.prototype = new EventEmitter(); WorldRenderer.prototype.render = function(time) { this.controls.update(); - this.hotspotRenderer.update(this.camera); TWEEN.update(time); this.effect.render(this.scene, this.camera); + this.hotspotRenderer.update(this.camera); }; /** @@ -75,7 +83,11 @@ WorldRenderer.prototype.setScene = function(scene) { var params = { isStereo: scene.isStereo, + loop: scene.loop, + volume: scene.volume, + muted: scene.muted }; + this.setDefaultYaw_(scene.defaultYaw || 0); // Disable VR mode if explicitly disabled, or if we're loading a video on iOS @@ -128,9 +140,9 @@ WorldRenderer.prototype.setScene = function(scene) { this.didLoadFail_('Video is not supported on IE11.'); } } else { - this.player = new AdaptivePlayer(); - this.player.on('load', function(videoElement) { - self.sphereRenderer.set360Video(videoElement, params).then(function() { + this.player = new AdaptivePlayer(params); + this.player.on('load', function(videoElement, videoType) { + self.sphereRenderer.set360Video(videoElement, videoType, params).then(function() { self.didLoad_({videoElement: videoElement}); }).catch(self.didLoadFail_.bind(self)); }); @@ -144,7 +156,9 @@ WorldRenderer.prototype.setScene = function(scene) { } this.sceneInfo = scene; - console.log('Loaded scene', scene); + if (Util.isDebug()) { + console.log('Loaded scene', scene); + } return promise; }; @@ -154,18 +168,50 @@ WorldRenderer.prototype.isVRMode = function() { }; WorldRenderer.prototype.submitFrame = function() { - if (this.vrDisplay) { + if (this.isVRMode()) { this.vrDisplay.submitFrame(); } }; +WorldRenderer.prototype.disposeEye_ = function(eye) { + if (eye) { + if (eye.material.map) { + eye.material.map.dispose(); + } + eye.material.dispose(); + eye.geometry.dispose(); + } +}; + +WorldRenderer.prototype.dispose = function() { + var eyeLeft = this.scene.getObjectByName('eyeLeft'); + this.disposeEye_(eyeLeft); + var eyeRight = this.scene.getObjectByName('eyeRight'); + this.disposeEye_(eyeRight); +}; + WorldRenderer.prototype.destroy = function() { if (this.player) { this.player.removeAllListeners(); this.player.destroy(); this.player = null; } -} + var photo = this.scene.getObjectByName('photo'); + var eyeLeft = this.scene.getObjectByName('eyeLeft'); + var eyeRight = this.scene.getObjectByName('eyeRight'); + + if (eyeLeft) { + this.disposeEye_(eyeLeft); + photo.remove(eyeLeft); + this.scene.remove(eyeLeft); + } + + if (eyeRight) { + this.disposeEye_(eyeRight); + photo.remove(eyeRight); + this.scene.remove(eyeRight); + } +}; WorldRenderer.prototype.didLoad_ = function(opt_event) { var event = opt_event || {}; @@ -189,7 +235,14 @@ WorldRenderer.prototype.didLoadFail_ = function(message) { WorldRenderer.prototype.setDefaultYaw_ = function(angleRad) { // Rotate the camera parent to take into account the scene's rotation. // By default, it should be at the center of the image. - this.camera.parent.rotation.y = (Math.PI / 2.0) + angleRad; + var display = this.controls.getVRDisplay(); + // For desktop, we subtract the current display Y axis + var theta = display.theta_ || 0; + // For devices with orientation we make the current view center + if (display.poseSensor_) { + display.poseSensor_.resetPose(); + } + this.camera.parent.rotation.y = (Math.PI / 2.0) + angleRad - theta; }; /** @@ -204,7 +257,7 @@ WorldRenderer.prototype.autopan = function(duration) { .start(); }; -WorldRenderer.prototype.init_ = function() { +WorldRenderer.prototype.init_ = function(hideFullscreenButton) { var container = document.querySelector('body'); var aspect = window.innerWidth / window.innerHeight; var camera = new THREE.PerspectiveCamera(75, aspect, 0.1, 100); @@ -236,7 +289,7 @@ WorldRenderer.prototype.init_ = function() { this.renderer = renderer; this.effect = effect; this.controls = controls; - this.manager = new WebVRManager(renderer, effect, {predistorted: false}); + this.manager = new WebVRManager(renderer, effect, {predistorted: false, hideButton: hideFullscreenButton}); this.scene = this.createScene_(); this.scene.add(this.camera.parent); @@ -259,14 +312,14 @@ WorldRenderer.prototype.onResize_ = function() { }; WorldRenderer.prototype.onVRDisplayPresentChange_ = function(e) { - console.log('onVRDisplayPresentChange_'); - this.vrDisplay = e.display; + if (Util.isDebug()) { + console.log('onVRDisplayPresentChange_'); + } var isVR = this.isVRMode(); // If the mode changed to VR and there is at least one hotspot, show reticle. var isReticleVisible = isVR && this.hotspotRenderer.getCount() > 0; - //this.reticleRenderer.setVisibility(isReticleVisible); - console.log('Mode changed and reticle visibility is now: %s', isReticleVisible); + this.reticleRenderer.setVisibility(isReticleVisible); // Resize the renderer for good measure. this.onResize_(); @@ -297,13 +350,11 @@ WorldRenderer.prototype.createScene_ = function(opt_params) { }; WorldRenderer.prototype.onHotspotFocus_ = function(id) { - console.log('onHotspotFocus_', id); // Set the default cursor to be a pointer. this.setCursor_('pointer'); }; WorldRenderer.prototype.onHotspotBlur_ = function(id) { - console.log('onHotspotBlur_', id); // Reset the default cursor to be the default one. this.setCursor_(''); }; @@ -318,5 +369,4 @@ WorldRenderer.prototype.onContextMenu_ = function(e) { return false; }; - module.exports = WorldRenderer; diff --git a/src/message.js b/src/message.js index f077b355..f7924d40 100644 --- a/src/message.js +++ b/src/message.js @@ -19,10 +19,15 @@ var Message = { PLAY: 'play', PAUSE: 'pause', + TIMEUPDATE: 'timeupdate', ADD_HOTSPOT: 'addhotspot', SET_CONTENT: 'setimage', SET_VOLUME: 'setvolume', + MUTED: 'muted', + SET_CURRENT_TIME: 'setcurrenttime', DEVICE_MOTION: 'devicemotion', + GET_POSITION: 'getposition', + SET_FULLSCREEN: 'setfullscreen', }; module.exports = Message; diff --git a/src/third_party/three/Three.js b/src/third_party/three/Three.js index d92c75ae..c6ceda1c 100644 --- a/src/third_party/three/Three.js +++ b/src/third_party/three/Three.js @@ -5,9 +5,10 @@ export { Scene } from '../../../node_modules/three/src/scenes/Scene.js'; export { Mesh } from '../../../node_modules/three/src/objects/Mesh.js'; export { VideoTexture } from '../../../node_modules/three/src/textures/VideoTexture.js'; export { MeshBasicMaterial } from '../../../node_modules/three/src/materials/MeshBasicMaterial.js'; +export { ShaderMaterial } from '../../../node_modules/three/src/materials/ShaderMaterial.js'; export { TextureLoader } from '../../../node_modules/three/src/loaders/TextureLoader.js'; export { PerspectiveCamera } from '../../../node_modules/three/src/cameras/PerspectiveCamera.js'; -export { Object3DIdCount, Object3D } from '../../../node_modules/three/src/core/Object3D.js'; +export { Object3D } from '../../../node_modules/three/src/core/Object3D.js'; export { Raycaster } from '../../../node_modules/three/src/core/Raycaster.js'; export { _Math as Math } from '../../../node_modules/three/src/math/Math.js'; export { Quaternion } from '../../../node_modules/three/src/math/Quaternion.js'; @@ -17,7 +18,7 @@ export { Matrix3 } from '../../../node_modules/three/src/math/Matrix3.js'; export { Vector4 } from '../../../node_modules/three/src/math/Vector4.js'; export { Vector3 } from '../../../node_modules/three/src/math/Vector3.js'; export { Vector2 } from '../../../node_modules/three/src/math/Vector2.js'; -export { ColorKeywords, Color } from '../../../node_modules/three/src/math/Color.js'; +export { Color } from '../../../node_modules/three/src/math/Color.js'; export { TorusGeometry } from '../../../node_modules/three/src/geometries/TorusGeometry.js'; export { SphereGeometry } from '../../../node_modules/three/src/geometries/SphereGeometry.js'; export { CircleGeometry } from '../../../node_modules/three/src/geometries/CircleGeometry.js'; diff --git a/src/util.js b/src/util.js index f04a29a5..f5da6c0b 100644 --- a/src/util.js +++ b/src/util.js @@ -13,7 +13,7 @@ * limitations under the License. */ -Util = window.Util || {}; +var Util = window.Util || {}; Util.isDataURI = function(src) { return src && src.indexOf('data:') == 0; @@ -159,7 +159,7 @@ Util.isIOS9OrLess = function() { }; Util.getExtension = function(url) { - return url.split('.').pop(); + return url.split('.').pop().split('?')[0]; }; Util.createGetParams = function(params) { @@ -189,4 +189,53 @@ Util.parseBoolean = function(value) { } }; +/** + * @param base {String} An absolute directory root. + * @param relative {String} A relative path. + * + * @returns {String} An absolute path corresponding to the rootPath. + * + * From http://stackoverflow.com/a/14780463/693934. + */ +Util.relativeToAbsolutePath = function(base, relative) { + var stack = base.split('/'); + var parts = relative.split('/'); + for (var i = 0; i < parts.length; i++) { + if (parts[i] == '.') { + continue; + } + if (parts[i] == '..') { + stack.pop(); + } else { + stack.push(parts[i]); + } + } + return stack.join('/'); +}; + +/** + * @return {Boolean} True iff the specified path is an absolute path. + */ +Util.isPathAbsolute = function(path) { + return ! /^(?:\/|[a-z]+:\/\/)/.test(path); +} + +Util.isEmptyObject = function(obj) { + return Object.getOwnPropertyNames(obj).length == 0; +}; + +Util.isDebug = function() { + return Util.parseBoolean(Util.getQueryParameter('debug')); +}; + +Util.getCurrentScript = function() { + // Note: in IE11, document.currentScript doesn't work, so we fall back to this + // hack, taken from https://goo.gl/TpExuH. + if (!document.currentScript) { + console.warn('This browser does not support document.currentScript. Trying fallback.'); + } + return document.currentScript || document.scripts[document.scripts.length - 1]; +} + + module.exports = Util; diff --git a/src/video-type.js b/src/video-type.js new file mode 100644 index 00000000..115a7ff2 --- /dev/null +++ b/src/video-type.js @@ -0,0 +1,25 @@ +/* + * Copyright 2016 Google Inc. All Rights Reserved. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * Video Types + */ +var VideoTypes = { + HLS: 1, + DASH: 2, + VIDEO: 3 +}; + +module.exports = VideoTypes; \ No newline at end of file