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-<!DOCTYPE html>
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-<html lang="en">
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- <head>
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- <title>three.js webgl - materials</title>
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- <meta charset="utf-8">
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- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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- <style>
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- body {
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- color: #fff;
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- font-family:Monospace;
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- font-size:13px;
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- text-align:center;
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-
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- background-color: #fff;
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- margin: 0px;
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- overflow: hidden;
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- }
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-
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- #info {
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- position: absolute;
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- top: 0px; width: 100%;
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- padding: 5px;
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- }
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- </style>
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- </head>
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- <body>
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-
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- <div id="container"></div>
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- <div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - Physical Material Variantions by <a href="http://clara.io/" target="_blank">Ben Houston</a>.</div>
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-
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- <script src="../build/three.min.js"></script>
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- <script src="js/controls/OrbitControls.js"></script>
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- <script src="js/geometries/TextGeometry.js"></script>
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- <script src="js/utils/FontUtils.js"></script>
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- <script src="fonts/gentilis_regular.typeface.js"></script>
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-
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- <script src='js/geometries/TeapotBufferGeometry.js'></script>
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-
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- <script src="js/Detector.js"></script>
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- <script src="js/libs/stats.min.js"></script>
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-
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- <script>
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-
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- if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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-
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- var container, stats;
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-
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- var camera, scene, renderer, controls, objects = [];
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- var particleLight;
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-
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- init();
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- animate();
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-
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- function init() {
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-
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- container = document.createElement( 'div' );
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- document.body.appendChild( container );
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-
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- camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 2000 );
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- camera.position.set( 0.0, 400, 400 * 3.5 );
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-
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- scene = new THREE.Scene();
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-
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- // Materials
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-
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- var imgTexture = THREE.ImageUtils.loadTexture( "textures/planets/moon_1024.jpg" );
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- imgTexture.wrapS = imgTexture.wrapT = THREE.RepeatWrapping;
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- imgTexture.anisotropy = 16;
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- imgTexture = null;
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-
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- var shininess = 50, specular = 0x333333, bumpScale = 1, shading = THREE.SmoothShading;
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-
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- var materials = [];
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-
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- var path = "textures/cube/pisa/";
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- var format = '.png';
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- var urls = [
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- path + 'px' + format, path + 'nx' + format,
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- path + 'py' + format, path + 'ny' + format,
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- path + 'pz' + format, path + 'nz' + format
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- ];
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-
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- var reflectionCube = THREE.ImageUtils.loadTextureCube( urls );
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- reflectionCube.format = THREE.RGBFormat;
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-
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- var cubeWidth = 400;
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- var numberOfSphersPerSide = 4;
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- var sphereRadius = ( cubeWidth / numberOfSphersPerSide ) * 0.6 * 0.5;
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- var stepSize = 1.0 / numberOfSphersPerSide;
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-
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- //var geometry = new THREE.SphereBufferGeometry( sphereRadius, 32, 16 );
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- var geometry = new THREE.TeapotBufferGeometry( sphereRadius, 8 );
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-
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- var localReflectionCube;
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-
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- for( var alpha = 0, alphaIndex = 0; alpha <= 1.0; alpha += stepSize, alphaIndex ++ ) {
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-
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- var roughness = 1.0 - alpha;
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-
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- localReflectionCube = reflectionCube;
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-
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- for( var beta = 0; beta <= 1.0; beta += stepSize ) {
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-
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- var metalness = beta;
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-
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- for( var gamma = 0; gamma <= 1.0; gamma += stepSize ) {
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-
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- // basic monochromatic energy preservation
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- var diffuseColor = new THREE.Color( 1, 1, 0 ).multiplyScalar( gamma ).add( new THREE.Color( 0.5, 0.5, 0.5 ).multiplyScalar( 1 - gamma ) );
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-
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- var material = new THREE.MeshPhysicalMaterial( { map: imgTexture, bumpMap: imgTexture, bumpScale: bumpScale, color: diffuseColor, metalness: metalness, roughness: roughness, shading: THREE.SmoothShading, envMap: localReflectionCube } )
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-
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- var mesh = new THREE.Mesh( geometry, material );
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-
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- mesh.position.x = alpha * 400 - 200;
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- mesh.position.y = beta * 400 - 200;
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- mesh.position.z = gamma * 400 - 200;
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-
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- objects.push( mesh );
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-
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- scene.add( mesh );
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- }
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- }
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- }
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-
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- function addLabel( name, location ) {
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- var textGeo = new THREE.TextGeometry( name, {
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-
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- size: 20,
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- height: 5,
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- curveSegments: 10,
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-
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- font: 'gentilis',
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- weight: 'normal',
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- style: 'normal',
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-
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- material: 0,
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- extrudeMaterial: 1
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-
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- });
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-
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- var textMaterial = new THREE.MeshBasicMaterial( { color: 0xffffff } );
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- var textMesh = new THREE.Mesh( textGeo, textMaterial );
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- textMesh.position.copy( location );
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- scene.add( textMesh );
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- }
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-
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- addLabel( "+roughness", new THREE.Vector3( -350, 0, 0 ) );
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- addLabel( "-roughness", new THREE.Vector3( 350, 0, 0 ) );
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-
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- addLabel( "-metalness", new THREE.Vector3( 0, -300, 0 ) );
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- addLabel( "+metalness", new THREE.Vector3( 0, 300, 0 ) );
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-
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- addLabel( "gray diffuse", new THREE.Vector3( 0, 0, -300 ) );
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- addLabel( "yellow diffuse", new THREE.Vector3( 0, 0, 300 ) );
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-
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- particleLight = new THREE.Mesh( new THREE.SphereBufferGeometry( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
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- scene.add( particleLight );
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-
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- // Lights
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-
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- scene.add( new THREE.AmbientLight( 0x222222 ) );
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-
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- var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );
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- directionalLight.position.set( 1, 1, 1 ).normalize();
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- scene.add( directionalLight );
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-
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- var pointLight = new THREE.PointLight( 0xffffff, 2, 800 );
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- particleLight.add( pointLight );
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-
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- //
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-
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- renderer = new THREE.WebGLRenderer( { antialias: true } );
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- renderer.setClearColor( 0x0a0a0a );
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- renderer.setPixelRatio( window.devicePixelRatio );
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- renderer.setSize( window.innerWidth, window.innerHeight );
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- renderer.sortObjects = true;
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-
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- container.appendChild( renderer.domElement );
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-
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- renderer.gammaInput = true;
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- renderer.gammaOutput = true;
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-
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- //
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-
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- stats = new Stats();
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- stats.domElement.style.position = 'absolute';
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- stats.domElement.style.top = '0px';
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-
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- container.appendChild( stats.domElement );
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-
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- controls = new THREE.OrbitControls( camera );
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- controls.target.set( 0, 0, 0 );
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- controls.update();
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-
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- window.addEventListener( 'resize', onWindowResize, false );
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-
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- }
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-
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- function onWindowResize() {
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-
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- camera.aspect = window.innerWidth / window.innerHeight;
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- camera.updateProjectionMatrix();
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-
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- renderer.setSize( window.innerWidth, window.innerHeight );
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-
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- }
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-
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- //
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-
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- function animate() {
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-
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- requestAnimationFrame( animate );
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-
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- render();
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- stats.update();
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-
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- }
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-
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- function render() {
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-
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- var timer = Date.now() * 0.00025;
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-
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- //camera.position.x = Math.cos( timer ) * 800;
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- //camera.position.z = Math.sin( timer ) * 800;
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-
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- camera.lookAt( scene.position );
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-
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- for ( var i = 0, l = objects.length; i < l; i ++ ) {
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-
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- var object = objects[ i ];
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-
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- object.rotation.y += 0.005;
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-
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- }
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-
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- particleLight.position.x = Math.sin( timer * 7 ) * 300;
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- particleLight.position.y = Math.cos( timer * 5 ) * 400;
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- particleLight.position.z = Math.cos( timer * 3 ) * 300;
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-
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- renderer.render( scene, camera );
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-
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- }
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-
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- </script>
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-
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- </body>
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-</html>
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Ben Houston