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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: #000;
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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 Variations by <a href="http://clara.io/" target="_blank">Ben Houston</a>.</div>
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+
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+ <script src="../build/three.js"></script>
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+ <script src="js/controls/OrbitControls.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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+ var loader = new THREE.FontLoader();
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+ loader.load( 'fonts/gentilis_regular.typeface.json', function ( font ) {
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+
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+ init( font );
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+ animate();
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+
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+ } );
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+
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+ function init( font ) {
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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 = new THREE.TextureLoader().load( "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/SwedishRoyalCastle/";
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+ var format = '.jpg';
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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 = new THREE.CubeTextureLoader().load( 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 = 5;
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+ var sphereRadius = ( cubeWidth / numberOfSphersPerSide ) * 0.8 * 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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+
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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 clearCoat = 1.0 - alpha;
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+
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+ //if( alphaIndex % 2 === 0 ) {
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+ //localReflectionCube = null;
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+ //}
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+ //else {
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+ localReflectionCube = reflectionCube;
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+ //}
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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 clearCoatRoughness = 1 - 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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+ var reflectivity = 1 - gamma;
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+
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+ var material = new THREE.MeshPhysicalMaterial( { map: imgTexture, bumpMap: imgTexture, bumpScale: bumpScale, color: 0x888888, metalness: 0, roughness: 0.5, clearCoat: clearCoat, clearCoatRoughness: clearCoatRoughness, reflectivity: reflectivity, 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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+ font: font,
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+
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+ size: 20,
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+ height: 1,
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+ curveSegments: 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( "+clearCoat", new THREE.Vector3( -350, 0, 0 ) );
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+ addLabel( "-clearCoat", new THREE.Vector3( 350, 0, 0 ) );
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+
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+ addLabel( "+clearCoatRoughness", new THREE.Vector3( 0, -300, 0 ) );
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+ addLabel( "-clearCoatRoughness", new THREE.Vector3( 0, 300, 0 ) );
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+
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+ addLabel( "+reflectivity", new THREE.Vector3( 0, 0, -300 ) );
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+ addLabel( "-reflectivity", 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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+ container.appendChild( stats.dom );
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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 (Clara.io)