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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 - performance [nodes]</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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+ margin: 0px;
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+ text-align:center;
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+ overflow: hidden;
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+ }
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+
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+ #info {
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+ color: #999;
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+ position: absolute;
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+ top: 10px;
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+ width: 100%;
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+ text-align: center;
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+ display:block;
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+ }
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+
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+ .white {
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+ color: white;
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+ }
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+
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+ b { color: #ccc; }
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+ a { color: white }
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+ </style>
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+ </head>
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+ <body>
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+
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+ <script src="../build/three.js"></script>
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+ <script src="js/libs/stats.min.js"></script>
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+
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+ <div id="info">
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+ <a href="http://threejs.org" target="_blank">three.js</a><span class="white"> - NodeMaterial Performance</span></br>
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+ <br>
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+ <b>Node Material System</b>
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+ <br>
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+ <div>
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+ Standard<b>Node</b>Material |
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+ <span id="node" class="white">None</span>
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+ </div>
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+ <div>
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+ MeshStandard<b>Node</b>Material |
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+ <span id="nodeBased" class="white">None</span>
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+ </div>
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+ <br>
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+ <b>Current Material System</b>
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+ <br>
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+ <div>
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+ MeshStandardMaterial |
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+ <span id="default" class="white">None</span>
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+ </div>
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+ <br>
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+ <a id="bench" href="javascript:void(0);">Click to benchmark</a>
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+ </div>
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+
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+ <script type="module">
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+
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+ import './js/nodes/THREE.Nodes.js';
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+
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+ var container, stats;
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+
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+ var camera, scene, renderer;
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+
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+ var mesh, zmesh, lightMesh, geometry;
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+ var meshes = [];
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+
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+ var mouseX = 0, mouseY = 0;
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+
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+ var windowHalfX = window.innerWidth / 2;
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+ var windowHalfY = window.innerHeight / 2;
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+
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+ document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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+
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+ init();
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+ animate();
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+
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+ function createScene( MaterialClass, count ) {
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+
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+ count = count !== undefined ? count : 70;
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+
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+ var i = 0;
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+
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+ for ( i = 0; i < meshes.length; i ++ ) {
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+
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+ meshes[i].material.dispose();
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+
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+ scene.remove( meshes[i] );
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+
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+ }
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+
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+ meshes = [];
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+
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+ for ( i = 0; i < 70; i ++ ) {
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+
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+ var material = new MaterialClass(),
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+ color = 0xFFFFFF * Math.random();
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+
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+ if (material.color.isNode) material.color.value.setHex( color );
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+ else material.color.setHex( color );
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+
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+ // prevent share code
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+ material.defines.UUID = material.uuid;
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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 = Math.random() * 1000 - 500;
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+ mesh.position.y = Math.random() * 1000 - 500;
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+ mesh.position.z = Math.random() * 1000 - 500;
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+ mesh.rotation.x = Math.random() * 2 * Math.PI;
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+ mesh.rotation.y = Math.random() * 2 * Math.PI;
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+ mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 50 + 100;
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+ mesh.matrixAutoUpdate = false;
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+ mesh.updateMatrix();
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+
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+ scene.add( mesh );
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+
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+ meshes.push( mesh );
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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 benchmark() {
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+
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+ var time, benchmarkTime;
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+
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+ // Stabilizes CPU
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+
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+ createScene( THREE.MeshStandardMaterial, 10 );
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+
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+ render();
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+
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+ // Standard *Node* Material
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+
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+ time = performance.now();
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+
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+ createScene( THREE.StandardNodeMaterial );
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+
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+ render();
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+
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+ benchmarkTime = (performance.now() - time) / 1000;
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+
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+ document.getElementById( 'node' ).textContent = benchmarkTime.toFixed(3) + " seconds";
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+
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+ // Mesh Standard *Node* Material
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+
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+ time = performance.now();
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+
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+ createScene( THREE.MeshStandardNodeMaterial );
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+
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+ render();
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+
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+ benchmarkTime = (performance.now() - time) / 1000;
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+
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+ document.getElementById( 'nodeBased' ).textContent = benchmarkTime.toFixed(3) + " seconds";
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+
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+ // Mesh Standard Material
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+
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+ time = performance.now();
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+
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+ createScene( THREE.MeshStandardMaterial );
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+
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+ render();
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+
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+ benchmarkTime = (performance.now() - time) / 1000;
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+
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+ document.getElementById( 'default' ).textContent = benchmarkTime.toFixed(3) + " seconds";
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+
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+ }
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+
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+ document.getElementById( 'bench' ).addEventListener('click', function () {
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+
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+ if (geometry) {
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+
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+ benchmark();
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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 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( 60, window.innerWidth / window.innerHeight, 1, 10000 );
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+ camera.position.z = 3200;
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+
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+ scene = new THREE.Scene();
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+ scene.add( new THREE.PointLight( 0xFFFFFF ) );
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+ //scene.background = new THREE.Color( 0xffffff );
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+
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+ var loader = new THREE.BufferGeometryLoader();
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+ loader.load( 'models/json/suzanne_buffergeometry.json', function ( geo ) {
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+
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+ geo.computeVertexNormals();
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+
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+ geometry = geo;
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+
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+ } );
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+
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+ renderer = new THREE.WebGLRenderer();
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ //renderer.sortObjects = false;
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+
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+ container.appendChild( renderer.domElement );
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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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+ //
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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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+ windowHalfX = window.innerWidth / 2;
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+ windowHalfY = window.innerHeight / 2;
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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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+ function onDocumentMouseMove(event) {
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+
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+ mouseX = ( event.clientX - windowHalfX ) * 10;
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+ mouseY = ( event.clientY - windowHalfY ) * 10;
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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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+ camera.position.x += ( mouseX - camera.position.x ) * .05;
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+ camera.position.y += ( - mouseY - camera.position.y ) * .05;
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+
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+ camera.lookAt( scene.position );
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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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sunag