mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-13 15:05:56 +10:00
alteredq
0f5652390f
Also fixed tons of bugs in lines handling. TODO: make some example for dynamic lines.
267 lines
7.5 KiB
HTML
267 lines
7.5 KiB
HTML
<!DOCTYPE HTML>
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<html lang="en">
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<head>
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<title>three.js - lines - cubes - webgl</title>
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<meta charset="utf-8">
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<style type="text/css">
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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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a {
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color:#0078ff;
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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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#oldie {
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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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background:rgb(50,0,0);
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color:#fff;
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padding:1em;
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width:475px;
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margin:5em auto 0;
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display:none;
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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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a:hover {
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color: #0080ff;
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}
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</style>
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</head>
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<body>
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<div id="info">
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<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - 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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<center>
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<div id="oldie">
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Sorry, your browser doesn't support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a>.<br/>
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<br/>
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Please try in
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<a href="http://www.chromium.org/getting-involved/dev-channel">Chrome 9+</a> /
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<a href="http://www.mozilla.com/en-US/firefox/all-beta.html">Firefox 4+</a> /
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<a href="http://nightly.webkit.org/">Safari OSX 10.6+</a>
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</div>
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</center>
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<script type="text/javascript" src="../build/Three.js"></script>
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<script type="text/javascript" src="js/Stats.js"></script>
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<script type="text/javascript">
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if ( !is_browser_compatible() ) {
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document.getElementById( "oldie" ).style.display = "block";
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}
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var mouseX = 0, mouseY = 0,
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windowHalfX = window.innerWidth / 2,
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windowHalfY = window.innerHeight / 2,
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camera, scene, renderer,
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stats;
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init();
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setInterval( loop, 1000 / 60 );
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function init() {
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var i, material, container;
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container = document.createElement('div');
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document.body.appendChild(container);
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camera = new THREE.Camera( 33, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.position.z = 700;
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scene = new THREE.Scene();
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renderer = new THREE.WebGLRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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var geometry = new THREE.Geometry(),
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points = hilbert3D( new THREE.Vector3( 0,0,0 ), 200.0, 4, 0, 1, 2, 3, 4, 5, 6, 7 );
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for ( i = 0; i < points.length; i ++ ) {
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geometry.vertices.push( new THREE.Vertex( points[i] ) );
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}
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// lines
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var line, p, scale = 0.3, d = 125, c1 = 0x553300, c2 = 0x555555, c3 = 0x992800, g1 = geometry,
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m1 = new THREE.LineBasicMaterial( { color: c1, opacity: 1, blending: THREE.AdditiveBlending } ),
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m2 = new THREE.LineBasicMaterial( { color: c2, opacity: 1, blending: THREE.AdditiveBlending } ),
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m3 = new THREE.LineBasicMaterial( { color: c3, opacity: 1, blending: THREE.AdditiveBlending } ),
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parameters = [ [ m3, scale*0.5, [0,0,0], g1 ], [ m2, scale*0.5, [d, 0, 0], g1 ], [ m2, scale*0.5, [-d, 0, 0], g1 ],
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[ m2, scale*0.5, [0,d,0], g1 ], [ m2, scale*0.5, [d, d, 0], g1 ], [ m2, scale*0.5, [-d, d, 0], g1 ],
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[ m2, scale*0.5, [0,-d,0], g1 ], [ m2, scale*0.5, [d, -d, 0], g1 ], [ m2, scale*0.5, [-d, -d, 0], g1 ],
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[ m1, scale*0.5, [2*d, 0, 0], g1 ], [ m1, scale*0.5, [-2*d, 0, 0], g1 ],
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[ m1, scale*0.5, [2*d, d, 0], g1 ], [ m1, scale*0.5, [-2*d, d, 0], g1 ],
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[ m1, scale*0.5, [2*d, -d, 0], g1 ], [ m1, scale*0.5, [-2*d, -d, 0], g1 ],
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];
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for ( i = 0; i < parameters.length; ++i ) {
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p = parameters[ i ];
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line = new THREE.Line( p[ 3 ], p[ 0 ] );
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line.scale.x = line.scale.y = line.scale.z = p[ 1 ];
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line.position.x = p[ 2 ][ 0 ];
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line.position.y = p[ 2 ][ 1 ];
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line.position.z = p[ 2 ][ 2 ];
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scene.addObject( line );
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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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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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// port of Processing Java code by Thomas Diewald
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// http://www.openprocessing.org/visuals/?visualID=15599
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function hilbert3D( center, side, iterations, v0, v1, v2, v3, v4, v5, v6, v7 ) {
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var half = side/2,
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vec_s = [
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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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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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if( --iterations >= 0 ) {
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var tmp = [];
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tmp = tmp.concat( hilbert3D ( vec[ 0 ], half, iterations, v0, v3, v4, v7, v6, v5, v2, v1 ) );
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tmp = tmp.concat( hilbert3D ( vec[ 1 ], half, iterations, v0, v7, v6, v1, v2, v5, v4, v3 ) );
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tmp = tmp.concat( hilbert3D ( vec[ 2 ], half, iterations, v0, v7, v6, v1, v2, v5, v4, v3 ) );
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tmp = tmp.concat( hilbert3D ( vec[ 3 ], half, iterations, v2, v3, v0, v1, v6, v7, v4, v5 ) );
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tmp = tmp.concat( hilbert3D ( vec[ 4 ], half, iterations, v2, v3, v0, v1, v6, v7, v4, v5 ) );
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tmp = tmp.concat( hilbert3D ( vec[ 5 ], half, iterations, v4, v3, v2, v5, v6, v1, v0, v7 ) );
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tmp = tmp.concat( hilbert3D ( vec[ 6 ], half, iterations, v4, v3, v2, v5, v6, v1, v0, v7 ) );
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tmp = tmp.concat( hilbert3D ( vec[ 7 ], half, iterations, v6, v5, v2, v1, v0, v3, v4, v7 ) );
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return tmp;
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}
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return vec;
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}
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//
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function onDocumentMouseMove(event) {
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mouseX = event.clientX - windowHalfX;
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mouseY = event.clientY - windowHalfY;
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}
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function onDocumentTouchStart( event ) {
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if ( event.touches.length > 1 ) {
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event.preventDefault();
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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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function onDocumentTouchMove( event ) {
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if ( event.touches.length == 1 ) {
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event.preventDefault();
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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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function loop() {
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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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camera.updateMatrix();
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var time = new Date().getTime() * 0.0015;
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for( var i = 0; i<scene.objects.length; i++ ) {
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scene.objects[i].rotation.y = time * ( i % 2 ? 1 : -1);
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}
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renderer.render(scene, camera);
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//stats.update();
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}
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function is_browser_compatible() {
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// WebGL support
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try { var test = new Float32Array(1); } catch(e) { return false; }
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return true;
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}
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</script>
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</body>
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</html>
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