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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 - dynamic cube reflection</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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+ background-color: #000000;
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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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+ color: #ffffff;
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+ padding: 5px;
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+ font-family:Monospace;
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+ font-size:13px;
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+ font-weight: bold;
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+ text-align:center;
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+ }
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+
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+ a {
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+ color: #ffffff;
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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="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js webgl</a> - materials - dynamic cube reflection<br/>Photo by <a href="http://www.flickr.com/photos/jonragnarsson/2294472375/" target="_blank">Jón Ragnarsson</a>.</div>
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+
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+ <script src="../build/Three.js"></script>
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+
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+ <script>
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+
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+ var camera, cubeCamera, scene, renderer;
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+ var cube, sphere, torus;
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+
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+ var fov = 70,
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+ isUserInteracting = false,
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+ onMouseDownMouseX = 0, onMouseDownMouseY = 0,
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+ lon = 0, onMouseDownLon = 0,
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+ lat = 0, onMouseDownLat = 0,
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+ phi = 0, theta = 0;
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+
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+ var texture = THREE.ImageUtils.loadTexture( 'textures/2294472375_24a3b8ef46_o.jpg', new THREE.UVMapping(), function () {
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+
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+ init();
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+ animate();
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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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+ scene = new THREE.Scene();
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+
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+ camera = new THREE.PerspectiveCamera( fov, window.innerWidth / window.innerHeight, 1, 1000 );
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+ camera.target = new THREE.Vector3( 0, 0, 0 );
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+ scene.add( camera );
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+
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+ var mesh = new THREE.Mesh( new THREE.SphereGeometry( 500, 60, 40 ), new THREE.MeshBasicMaterial( { map: texture } ) );
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+ mesh.scale.x = -1;
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+ scene.add( mesh );
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+
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+ renderer = new THREE.WebGLRenderer( { antialias: true } );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ cubeCamera = new THREE.CubeCamera( 1, 1000, 256 );
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+ cubeCamera.renderTarget.minFilter = THREE.LinearMipMapLinearFilter;
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+ cubeCamera.updatePosition( new THREE.Vector3() );
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+
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+ document.body.appendChild( renderer.domElement );
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+
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+ //
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+
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+ var material = new THREE.MeshBasicMaterial( { envMap: cubeCamera.renderTarget } );
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+
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+ sphere = new THREE.Mesh( new THREE.SphereGeometry( 20, 60, 40 ), material );
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+ scene.add( sphere );
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+
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+ cube = new THREE.Mesh( new THREE.CubeGeometry( 20, 20, 20 ), material );
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+ scene.add( cube );
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+
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+ torus = new THREE.Mesh( new THREE.TorusKnotGeometry( 20, 5, 100, 100 ), material );
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+ scene.add( torus );
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+
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+ //
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+
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+ document.addEventListener( 'mousedown', onDocumentMouseDown, false );
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+ document.addEventListener( 'mousewheel', onDocumentMouseWheel, false );
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+ document.addEventListener( 'DOMMouseScroll', onDocumentMouseWheel, false);
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+ window.addEventListener( 'resize', onWindowResized, false );
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+
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+ onWindowResized( null );
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+
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+ }
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+
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+ function onWindowResized( event ) {
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ camera.projectionMatrix = THREE.Matrix4.makePerspective( fov, window.innerWidth / window.innerHeight, 1, 1100 );
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+ }
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+
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+ function onDocumentMouseDown( event ) {
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+
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+ event.preventDefault();
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+
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+ onPointerDownPointerX = event.clientX;
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+ onPointerDownPointerY = event.clientY;
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+
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+ onPointerDownLon = lon;
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+ onPointerDownLat = lat;
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+
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+ document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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+ document.addEventListener( 'mouseup', onDocumentMouseUp, false );
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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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+ lon = ( event.clientX - onPointerDownPointerX ) * 0.1 + onPointerDownLon;
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+ lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
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+
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+ }
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+
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+ function onDocumentMouseUp( event ) {
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+
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+ document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
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+ document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
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+
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+ }
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+
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+ function onDocumentMouseWheel( event ) {
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+
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+ // WebKit
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+
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+ if ( event.wheelDeltaY ) {
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+
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+ fov -= event.wheelDeltaY * 0.05;
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+
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+ // Opera / Explorer 9
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+
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+ } else if ( event.wheelDelta ) {
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+
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+ fov -= event.wheelDelta * 0.05;
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+
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+ // Firefox
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+
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+ } else if ( event.detail ) {
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+
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+ fov += event.detail * 1.0;
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+
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+ }
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+
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+ camera.projectionMatrix = THREE.Matrix4.makePerspective( fov, window.innerWidth / window.innerHeight, 1, 1100 );
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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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+ render();
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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 time = Date.now();
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+
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+ lon += .15;
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+
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+ lat = Math.max( - 85, Math.min( 85, lat ) );
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+ phi = ( 90 - lat ) * Math.PI / 180;
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+ theta = lon * Math.PI / 180;
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+
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+ sphere.position.x = Math.sin( time * 0.001 ) * 30;
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+ sphere.position.y = Math.sin( time * 0.0011 ) * 30;
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+ sphere.position.z = Math.sin( time * 0.0012 ) * 30;
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+
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+ sphere.rotation.x += 0.02;
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+ sphere.rotation.y += 0.03;
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+
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+ cube.position.x = Math.sin( time * 0.001 + 2 ) * 30;
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+ cube.position.y = Math.sin( time * 0.0011 + 2 ) * 30;
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+ cube.position.z = Math.sin( time * 0.0012 + 2 ) * 30;
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+
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+ cube.rotation.x += 0.02;
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+ cube.rotation.y += 0.03;
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+
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+ torus.position.x = Math.sin( time * 0.001 + 4 ) * 30;
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+ torus.position.y = Math.sin( time * 0.0011 + 4 ) * 30;
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+ torus.position.z = Math.sin( time * 0.0012 + 4 ) * 30;
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+
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+ torus.rotation.x += 0.02;
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+ torus.rotation.y += 0.03;
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+
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+ camera.position.x = 100 * Math.sin( phi ) * Math.cos( theta );
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+ camera.position.y = 100 * Math.cos( phi );
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+ camera.position.z = 100 * Math.sin( phi ) * Math.sin( theta );
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+
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+ camera.lookAt( camera.target );
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+
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+ sphere.visible = false; // *cough*
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+
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+ cubeCamera.updateCubeMap( renderer, scene );
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+
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+ sphere.visible = true; // *cough*
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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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Mr.doob
