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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 - lines - cubes - colors</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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+ a {
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+ color:#0078ff;
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+ }
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+
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+ #info {
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+ position: absolute;
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+ top: 10px; 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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+ text-align: center;
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+ z-index:100;
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+ }
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+
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+ a {
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+ color: orange;
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+ text-decoration: none;
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+ }
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+
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+ a:hover {
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+ color: #0080ff;
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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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+ <div id="info">
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+ <a href="http://threejs.org" target="_blank">three.js</a> - color lines WebGL demo
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+ [<a href="http://en.wikipedia.org/wiki/Hilbert_curve">Hilbert curve</a> thanks to <a href="http://www.openprocessing.org/visuals/?visualID=15599">Thomas Diewald</a>]
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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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+ <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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+
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+ var mouseX = 0, mouseY = 0,
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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, scene, renderer, material;
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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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+ var i, container;
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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( 33, window.innerWidth / window.innerHeight, 1, 10000 );
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+ camera.position.z = 700;
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+
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+ scene = new THREE.Scene();
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+
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+ renderer = new THREE.CanvasRenderer( { clearColor: 0x000000, clearAlpha: 1, antialias: false } );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ container.appendChild( renderer.domElement );
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+
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+ var geometry3 = new THREE.Geometry(),
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+ points = hilbert3D( new THREE.Vector3( 0,0,0 ), 200.0, 2, 0, 1, 2, 3, 4, 5, 6, 7 ),
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+ colors3 = [];
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+
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+ for ( i = 0; i < points.length; i ++ ) {
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+
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+ geometry3.vertices.push( points[ i ] );
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+
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+ colors3[ i ] = new THREE.Color( 0xffffff );
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+ colors3[ i ].setHSL( i / points.length, 1.0, 0.5 );
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+
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+ }
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+
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+ geometry3.colors = colors3;
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+
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+ // lines
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+
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+ material = new THREE.LineBasicMaterial( { color: 0xffffff, opacity: 1, linewidth: 3, vertexColors: THREE.VertexColors } );
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+
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+ var line, p, scale = 0.3, d = 225;
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+
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+ line = new THREE.Line(geometry3, material );
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+ line.scale.x = line.scale.y = line.scale.z = scale*1.5;
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+ line.position.x = 0;
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+ line.position.y = 0;
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+ line.position.z = 0;
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+ scene.add( line );
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+
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+ var axis = new THREE.AxisHelper(100);
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+ axis.position.x = -d;
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+ scene.add(axis)
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+
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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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+ //container.appendChild( stats.domElement );
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+
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+ //
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+
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+ document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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+ document.addEventListener( 'touchstart', onDocumentTouchStart, false );
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+ document.addEventListener( 'touchmove', onDocumentTouchMove, false );
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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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+ effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
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+
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+ composer.reset();
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+
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+ }
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+
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+ // port of Processing Java code by Thomas Diewald
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+ // http://www.openprocessing.org/visuals/?visualID=15599
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+
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+ function hilbert3D( center, side, iterations, v0, v1, v2, v3, v4, v5, v6, v7 ) {
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+
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+ var half = side / 2,
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+
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+ vec_s = [
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+
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+ new THREE.Vector3( center.x - half, center.y + half, center.z - half ),
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+ new THREE.Vector3( center.x - half, center.y + half, center.z + half ),
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+ new THREE.Vector3( center.x - half, center.y - half, center.z + half ),
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+ new THREE.Vector3( center.x - half, center.y - half, center.z - half ),
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+ new THREE.Vector3( center.x + half, center.y - half, center.z - half ),
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+ new THREE.Vector3( center.x + half, center.y - half, center.z + half ),
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+ new THREE.Vector3( center.x + half, center.y + half, center.z + half ),
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+ new THREE.Vector3( center.x + half, center.y + half, center.z - half )
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+
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+ ],
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+
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+ vec = [ vec_s[ v0 ], vec_s[ v1 ], vec_s[ v2 ], vec_s[ v3 ], vec_s[ v4 ], vec_s[ v5 ], vec_s[ v6 ], vec_s[ v7 ] ];
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+
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+ if( --iterations >= 0 ) {
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+
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+ var tmp = [];
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+
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+ Array.prototype.push.apply( tmp, hilbert3D ( vec[ 0 ], half, iterations, v0, v3, v4, v7, v6, v5, v2, v1 ) );
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+ Array.prototype.push.apply( tmp, hilbert3D ( vec[ 1 ], half, iterations, v0, v7, v6, v1, v2, v5, v4, v3 ) );
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+ Array.prototype.push.apply( tmp, hilbert3D ( vec[ 2 ], half, iterations, v0, v7, v6, v1, v2, v5, v4, v3 ) );
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+ Array.prototype.push.apply( tmp, hilbert3D ( vec[ 3 ], half, iterations, v2, v3, v0, v1, v6, v7, v4, v5 ) );
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+ Array.prototype.push.apply( tmp, hilbert3D ( vec[ 4 ], half, iterations, v2, v3, v0, v1, v6, v7, v4, v5 ) );
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+ Array.prototype.push.apply( tmp, hilbert3D ( vec[ 5 ], half, iterations, v4, v3, v2, v5, v6, v1, v0, v7 ) );
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+ Array.prototype.push.apply( tmp, hilbert3D ( vec[ 6 ], half, iterations, v4, v3, v2, v5, v6, v1, v0, v7 ) );
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+ Array.prototype.push.apply( tmp, hilbert3D ( vec[ 7 ], half, iterations, v6, v5, v2, v1, v0, v3, v4, v7 ) );
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+
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+ return tmp;
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+
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+ }
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+
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+ return vec;
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+ }
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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;
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+ mouseY = event.clientY - windowHalfY;
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+
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+ }
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+
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+ function onDocumentTouchStart( event ) {
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+
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+ if ( event.touches.length > 1 ) {
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+
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+ event.preventDefault();
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+
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+ mouseX = event.touches[ 0 ].pageX - windowHalfX;
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+ mouseY = event.touches[ 0 ].pageY - windowHalfY;
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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 onDocumentTouchMove( event ) {
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+
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+ if ( event.touches.length == 1 ) {
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+
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+ event.preventDefault();
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+
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+ mouseX = event.touches[ 0 ].pageX - windowHalfX;
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+ mouseY = event.touches[ 0 ].pageY - windowHalfY;
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+ }
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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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+ render();
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+
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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 + 200 - camera.position.y ) * .05;
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+
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+ camera.lookAt( scene.position );
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+
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+ var time = Date.now() * 0.0005;
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+
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+ for ( var i = 0; i < scene.children.length; i ++ ) {
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+
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+ var object = scene.children[ i ];
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+ if ( object instanceof THREE.Line ) object.rotation.y = time * ( i % 2 ? 1 : -1 );
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+
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+ }
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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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+ </body>
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+</html>
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OpenShift guest