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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 - multiple elements</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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+ * {
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+ box-sizing: border-box;
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+ -moz-box-sizing: border-box;
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+ }
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+
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+ body {
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+ color: #000;
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+ font-family:Monospace;
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+ font-size:13px;
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+
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+ background-color: #fff;
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+ margin: 0px;
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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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+ text-align:center;
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+ }
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+
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+ #content {
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+ position: absolute;
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+ top: 0px; width: 100%;
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+ z-index: 1;
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+ padding: 2em;
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+ }
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+
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+ a {
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+
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+ color: #0080ff;
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+ }
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+
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+ #c {
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+ position: fixed;
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+ left: 0px;
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+ width: 100%;
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+ height: 100%;
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+ }
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+
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+ .list-item {
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+ margin: 1em;
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+ padding: 2em;
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+ display: -webkit-flex;
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+ display: flex;
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+ flex-direction: row;
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+ -webkit-flex-direction: row;
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+ }
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+
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+ .list-item .scene {
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+ width: 200px;
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+ height: 200px;
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+ flex: 0 0 auto;
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+ -webkit-flex: 0 0 auto;
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+ }
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+ .list-item .description {
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+ font-family: sans-serif;
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+ font-size: large;
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+ padding-left: 2em;
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+ flex: 1 1 auto;
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+ -webkit-flex: 1 1 auto;
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+ }
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+
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+ @media only screen and (max-width : 600px) {
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+ #content {
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+ width: 100%;
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+ }
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+ .list-item {
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+ margin: 0.5em;
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+ padding: 0.5em;
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+ flex-direction: column;
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+ -webkit-flex-direction: column;
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+ }
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+ .list-item .description {
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+ padding-left: 0em;
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+ }
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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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+ <canvas id="c"></canvas>
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+ <div id="content">
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+ <div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - multiple elements - webgl</div>
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+ </div>
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+
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+ <script src="../build/three.min.js"></script>
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+
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+ <script src="js/Detector.js"></script>
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+
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+ <script id="template" type="notjs">
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+ <div class="scene"></div>
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+ <div class="description">some random text about this object, scene, whatever</div>
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+ </script>
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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 canvas;
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+
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+ var scenes = [], camera, renderer, emptyScene;
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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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+ canvas = document.getElementById( "c" );
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+
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+ camera = new THREE.PerspectiveCamera( 75, 1, 0.1, 100 );
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+ camera.position.z = 1.5;
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+
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+ var geometries = [
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+ new THREE.BoxGeometry( 1, 1, 1 ),
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+ new THREE.SphereGeometry( 0.5, 12, 12 ),
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+ new THREE.DodecahedronGeometry( 0.5 ),
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+ new THREE.CylinderGeometry( 0.5, 0.5, 1, 12 ),
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+ ];
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+
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+ var template = document.getElementById("template").text;
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+ var content = document.getElementById("content");
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+
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+ var emptyScene = new THREE.Scene();
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+
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+ var numScenes = 100;
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+
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+ for ( var ii = 0; ii < numScenes; ++ii ) {
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+
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+ var scene = new THREE.Scene();
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+
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+ // make a list item.
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+ var element = document.createElement( "div" );
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+ element.innerHTML = template;
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+ element.className = "list-item";
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+
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+ // Look up the element that represents the area
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+ // we want to render the scene
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+ scene.element = element.querySelector(".scene");
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+ content.appendChild(element);
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+
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+ // add one random mesh to each scene
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+ var geometry = geometries[ geometries.length * Math.random() | 0 ];
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+ var material = new THREE.MeshLambertMaterial( { color: randColor() } );
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+
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+ scene.add( new THREE.Mesh( geometry, material ) );
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+
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+ light = new THREE.DirectionalLight( 0xffffff );
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+ light.position.set( 0.5, 0.8, 1 );
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+ scene.add( light );
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+
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+ light = new THREE.DirectionalLight( 0xffffff );
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+ light.position.set( -0.5, -0.8, -1 );
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+ scene.add( light );
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+
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+ scenes.push( scene );
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+ }
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+
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+
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+ renderer = new THREE.WebGLRenderer( { canvas: canvas, antialias: true } );
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+ renderer.setClearColor( 0xFFFFFF );
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+
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+ }
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+
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+ function updateSize() {
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+
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+ var width = canvas.clientWidth;
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+ var height = canvas.clientHeight;
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+
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+ if ( canvas.width !== width || canvas.height != height ) {
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+
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+ renderer.setSize ( width, height, false );
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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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+ render();
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+
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+ requestAnimationFrame( animate );
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+ }
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+
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+ function render() {
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+
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+ updateSize();
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+
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+ renderer.setClearColor( 0xFFFFFF );
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+ renderer.clear( true );
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+ renderer.setClearColor( 0xE0E0E0 );
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+
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+ renderer.enableScissorTest( true );
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+ scenes.forEach( function( scene ) {
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+ // so something moves
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+ scene.children[0].rotation.x = Date.now() * 0.00111;
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+ scene.children[0].rotation.z = Date.now() * 0.001;
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+
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+ // get the element that is a place holder for where we want to
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+ // draw the scene
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+ var element = scene.element;
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+
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+ // get its position relative to the page's viewport
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+ var rect = element.getBoundingClientRect();
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+
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+ // check if it's offscreen. If so skip it
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+ if ( rect.bottom < 0 || rect.top > renderer.domElement.clientHeight ||
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+ rect.right < 0 || rect.left > renderer.domElement.clientWidth ) {
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+ return; // it's off screen
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+ }
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+
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+ // set the viewport
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+ var width = rect.right - rect.left;
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+ var height = rect.bottom - rect.top;
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+ var left = rect.left;
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+ var bottom = renderer.domElement.clientHeight - rect.bottom;
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+
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+ camera.aspect = width / height;
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+ camera.updateProjectionMatrix();
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+ renderer.setViewport( left, bottom, width, height );
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+ renderer.setScissor( left, bottom, width, height );
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+ renderer.render( scene, camera );
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+
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+ } );
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+ renderer.enableScissorTest( false );
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+
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+ }
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+
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+ function rand( min, max ) {
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+ if ( max == undefined ) {
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+ max = min;
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+ min = 0;
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+ }
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+
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+ return Math.random() * ( max - min ) + min;
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+ }
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+
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+ function randColor() {
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+ var colors = [ rand( 256 ), rand ( 256 ), rand( 256 ) ];
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+ colors[ Math.random() * 3 | 0 ] = 255;
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+ return ( colors[0] << 16 ) |
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+ ( colors[1] << 8 ) |
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+ ( colors[2] << 0 ) ;
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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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Gregg Tavares