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example.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>VRML loading with ThreeJs and VrmlParser</title>
<meta charset="utf-8">
<meta name="X-Content-Type-Options" content="disabled">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
font-family: Monospace;
background-color: #000;
color: #fff;
margin: 0px;
overflow: hidden;
}
canvas {
border: 1px solid red;
width: 100%;
height: 100%;
margin: 0;
}
#info {
color: #fff;
position: absolute;
top: 10px;
width: 100%;
text-align: center;
z-index: 100;
display: block;
}
#info a, .button {
color: #f00;
font-weight: bold;
text-decoration: underline;
cursor: pointer
}
#viewpoints {
background-color: gray;
z-index: 101;
position: absolute;
width: 140px;
top: 10px;
left: 10px;
padding: 2px;
border: 1px solid white;
}
#viewpoints div {
width: inherit;
}
</style>
</head>
<body>
<div id="info">
<a href="http://threejs.org" target="_blank">three.js / VrmlParser</a> -
vrml format loader test using VrmlParser -
</div>
<div id="viewpoints">
<h4>Viewpoints from the VRML file</h4>
</div>
<!--<script src="node_modules/three/build/three.js"></script>-->
<!--<script src="node_modules/three/build/three.min.js"></script>-->
<!-- use scripts below for development and debugging -->
<script src="vrml.js"></script>
<script type="module" src="Renderer/ThreeJs.js"></script>
<script type="module" src="Renderer/ThreeJs/Animation.js"></script>
<script type="module" src="Renderer/ThreeJs/VrmlNode.js"></script>
<script type="module" src="Renderer/ThreeJs/Analyzer.js"></script>
<script type="module" src="Renderer/ThreeJs/SmoothEdges.js"></script>
<script type="module" src="Renderer/ThreeJs/VrmlNode/Interpolator.js"></script>
<script type="module" src="Renderer/ThreeJs/VrmlNode/OrientationInterpolator.js"></script>
<script type="module" src="Renderer/ThreeJs/VrmlNode/PositionInterpolator.js"></script>
<script type="module" src="Renderer/ThreeJs/VrmlNode/DirectionalLight.js"></script>
<script type="module" src="Renderer/ThreeJs/VrmlNode/PointLight.js"></script>
<script type="module" src="Renderer/ThreeJs/VrmlNode/Text.js"></script>
<script type="module" src="Renderer/ThreeJs/VrmlNode/Inline.js"></script>
<script type="module" src="Renderer/ThreeJs/VrmlNode/Viewpoint.js"></script>
<script type="module" src="Renderer/ThreeJs/VrmlNode/NavigationInfo.js"></script>
<script type="module" src="Renderer/ThreeJs/VrmlNode/IndexedFaceSet.js"></script>
<script src="node_modules/tween.js/src/Tween.js"></script>
<!-- use the minified version for integration with Three.js and for speed -->
<!--<script src="vrml.min.js"></script>-->
<script type="module" src="node_modules/three/examples/jsm/renderers/Projector.js"></script>
<script type="module" src="node_modules/three/examples/jsm/controls/OrbitControls.js"></script>
<script type="module" src="node_modules/three/examples/jsm/controls/FlyControls.js"></script>
<script type="module" src="node_modules/three/examples/jsm/controls/FirstPersonControls.js"></script>
<script type="module" src="node_modules/three/examples/jsm/controls/TrackballControls.js"></script>
<script type="module">
import VrmlParser from "./Renderer/ThreeJs.js";
// import {THREE as THREE} from "./node_modules/three/src/Three.d.ts";
import {Scene} from "./node_modules/three/src/scenes/Scene.js";
import {Vector3} from "./node_modules/three/src/math/Vector3.js";
import {FileLoader} from "./node_modules/three/src/loaders/FileLoader.js";
import {WebGLRenderer} from "./node_modules/three/src/renderers/WebGLRenderer.js";
import {OrbitControls} from "./node_modules/three/examples/jsm/controls/OrbitControls.js";
import {Clock} from "./node_modules/three/src/core/Clock.js";
import {PerspectiveCamera} from "./node_modules/three/src/cameras/PerspectiveCamera.js";
import {Fog} from "./node_modules/three/src/scenes/Fog.js";
VrmlParser.Renderer.ThreeJs.VrmlNode.Text.fontsDir = 'wrl/fonts';
var debug = true;
var container;
var camera, controls, scene, renderer;
// These variables are used for animating viewpoints, but not in use until interferance with controls has been solved
// var cameraTween, newCameraQuaternion, rotationDelta = 0;
var animation;
var analyzer = new VrmlParser.Renderer.ThreeJs.Analyzer(debug);
// setup a clock
var clock = new Clock();
init();
animate();
function resetControls(renderer) {
controls = new OrbitControls(camera, renderer.domElement);
controls.rotateSpeed = 1;
controls.zoomSpeed = 0.2;
controls.panSpeed = 0.2;
controls.enableZoom = true;
controls.enablePan = true;
}
function selectViewpoint(event, vrmlConverter) {
var viewpoint = event.target.dataset.name;
if ( debug ) {
console.log('clicked ' + viewpoint);
}
var c = vrmlConverter.viewpoints[ viewpoint ].getCamera();
var v = c.position;
var o = c.orientation;
camera.position.set(v.x, v.y, v.z);
// fake the name of a surrounding group for the camera, so that it can be animated as any other object.
camera.name = 'surrounding_' + viewpoint;
var vector3 = new Vector3(o.x, o.y, o.z);
camera.quaternion.setFromAxisAngle(vector3, o.radians);
camera.aspect = c.aspect;
camera.near = c.near;
camera.far = c.far;
camera.fov = c.fov;
camera.updateProjectionMatrix();
// now animate the camera to the position and rotation of the new camera
// Disabled until I find a way not to let it interfere with controls
// var newPosition = new Vector3(v.x, v.y, v.z);
// cameraTween = new TWEEN.Tween(camera.position)
// .to(newPosition)
// .start(+ new Date())
// ;
//
//
// var vector3 = new Vector3(o.x, o.y, o.z);
// newCameraQuaternion = new Quaternion();
// newCameraQuaternion.setFromAxisAngle(vector3, o.radians);
}
function init() {
camera = new PerspectiveCamera(60, window.innerWidth / window.innerHeight, 0.01, 1e5);
camera.position.z = 4;
camera.position.y = 3;
camera.position.x = 0;
scene = new Scene();
// var light = new PointLight(new Color(1,1,1), 1);
// light.position.set(2,2,2);
// scene.add(light);
// @todo: only add fog when present in the scene
scene.fog = new Fog(0xffffff, 1, 5000);
scene.fog.color.setHSL(0.6, 0, 1);
scene.add(camera);
var vrmlConverter = new VrmlParser.Renderer.ThreeJs(debug);
renderer = new WebGLRenderer({ antialias: true });
// renderer.domElement = document.body;
// renderer
resetControls(renderer);
renderer.shadowMap.enabled = true;
renderer.setClearColor(0x000000, 1);
renderer.setSize(window.innerWidth, window.innerHeight);
// add support for animation and interaction
animation = new VrmlParser.Renderer.ThreeJs.Animation(debug);
animation.init(camera, renderer);
// initialize the viewpoinst with the camera from the global scope
vrmlConverter.viewpoints = {
'reset': {
getCamera: function () {
return {
// these are just some properties of the default camera the scene was initialized with
position: { x: 0, y: 3, z: 4 },
name: 'reset',
orientation: { x: 0, y: 1, z: 0, radians: 0 },
fov: 60,
aspect: window.innerWidth / window.innerHeight,
near: 0.01,
far: 1e5
}
}
}
}; // key value store of cameras based on VRML viewpoint nodes, stored by their name.
// VRML parser example:
var fileLoader = new FileLoader();
// onLoad, onProgress, onError
fileLoader.load('wrl/house.wrl', function (data) {
try {
var tree = vrmlParser.parse(data);
} catch ( e ) {
console.log('Exception with message ' + e.message);
if ( undefined !== e.location ) {
console.log('Exception at location start: offset: ' + e.location.start.offset + ' line: ' + e.location.start.line + ' column: ' + e.location.start.column);
console.log('Exception at location end: offset: ' + e.location.end.offset + ' line: ' + e.location.end.line + ' column: ' + e.location.end.column);
}
return;
}
if ( debug ) {
console.log(tree);
}
vrmlConverter.render(tree, scene, renderer, camera, controls);
// once the scene is rendered in threejs, a registry of mesh objects that responed to sensors can be build
animation.buildSensorRegistry(scene);
// @todo: move viewpointSelector to its own class
var viewpointSelector = document.getElementById('viewpoints');
if (debug) {
console.log(vrmlConverter.viewpoints);
}
for ( var a in vrmlConverter.viewpoints ) {
if ( typeof a === 'string' ) {
var option = document.createElement('div');
option.innerHTML = a;
option.setAttribute('data-name', a);
viewpointSelector.appendChild(option);
option.addEventListener('click', function (event) {
selectViewpoint(event, vrmlConverter);
});
}
}
}, function () {
}, function (error) {
var request = error.target;
if ( 404 === request.status ) {
console.log('VRML Document not found at ' + request.responseURL);
}
console.log(error);
});
container = document.createElement('div');
document.body.appendChild(container);
container.appendChild(renderer.domElement);
//
window.addEventListener('resize', onWindowResize, false);
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function animate() {
requestAnimationFrame(animate);
var delta = clock.getDelta();
if ( undefined !== controls ) {
controls.update(delta);
}
// @todo: these animations are quite nice, but they get in the way of controls
// because they continue to update the camera position
// so you should probably register and deregister the animation on viewpoint change
// and tween / slerp complete
// animate camera position on viewpoint change
// disabled until I find a way to not have it interfere with controls
// if (cameraTween) {
// cameraTween.update(+ new Date());
// }
// animate camera rotation on viewpoint change
// if (newCameraQuaternion) {
// rotationDelta = (rotationDelta + 8e-3) % 1;
// camera.quaternion.slerp(newCameraQuaternion, rotationDelta);
// if (rotationDelta >= 1) {
// newCameraQuaternion = null;
// rotationDelta = 0;
// }
// }
animation.update(delta);
renderer.render(scene, camera);
}
</script>
</body>
</html>