javascript
/
three.js
镜像自地址 https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js software - lines - cubes</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style>
			body {
				background-color: #000000;
				margin: 0px;
				overflow: hidden;
			}

			a {
				color:#0078ff;
			}

			#info {
				position: absolute;
				top: 10px; width: 100%;
				color: #ffffff;
				padding: 5px;
				font-family: Monospace;
				font-size: 13px;
				text-align: center;
				z-index:100;
			}

			a {
				color: orange;
				text-decoration: none;
			}

			a:hover {
				color: #0080ff;
			}

		</style>
	</head>
	<body>

		<div id="info">
			<a href="http://threejs.org" target="_blank">three.js</a> - lines WebGL demo
			[<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>]
		</div>

		<script src="../build/three.js"></script>

		<script src="js/geometries/hilbert3D.js"></script>

		<script src="js/Detector.js"></script>
		<script src="js/libs/stats.min.js"></script>
		<script src="js/renderers/Projector.js"></script>
		<script src="js/renderers/SoftwareRenderer.js"></script>

		<script>

			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

			var mouseX = 0, mouseY = 0,

			windowHalfX = window.innerWidth / 2,
			windowHalfY = window.innerHeight / 2,

			camera, scene, renderer;

			init();
			animate();

			function init() {

				var i, material, container;

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				camera = new THREE.PerspectiveCamera( 33, window.innerWidth / window.innerHeight, 1, 10000 );
				camera.position.z = 700;

				scene = new THREE.Scene();

				renderer = new THREE.SoftwareRenderer();
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

				var geometry = new THREE.Geometry(),
				points = hilbert3D( new THREE.Vector3( 0,0,0 ), 200.0, 4, 0, 1, 2, 3, 4, 5, 6, 7 );

				for ( i = 0; i < points.length; i ++ ) {

					geometry.vertices.push( points[i] );

				}

				// lines

				var line, p, scale = 0.3, d = 125, c1 = 0x553300, c2 = 0x555555, c3 = 0x992800, 
				g1 = geometry,
				m1 = new THREE.LineBasicMaterial( { color: c1, opacity: 1, blending: THREE.AdditiveBlending, transparent: true } ),
				m2 = new THREE.LineBasicMaterial( { color: c2, opacity: 1, blending: THREE.AdditiveBlending, transparent: true } ),
				m3 = new THREE.LineBasicMaterial( { color: c3, opacity: 1, blending: THREE.AdditiveBlending, transparent: true } ),
				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 ], [ m2, scale*0.5, [0,d,0],  g1 ],
						[ m2, scale*0.5, [d, d, 0],  g1 ], [ m2, scale*0.5, [-d, d, 0],  g1 ],
						[ m2, scale*0.5, [0,-d,0], g1 ], [ m2, scale*0.5, [d, -d, 0], g1 ], 
						[ m2, scale*0.5, [-d, -d, 0], g1 ], [ m1, scale*0.5, [2*d, 0, 0],  g1 ],
						[ m1, scale*0.5, [-2*d, 0, 0],  g1 ], [ m1, scale*0.5, [2*d, d, 0],  g1 ],
						[ m1, scale*0.5, [-2*d, d, 0],  g1 ], [ m1, scale*0.5, [2*d, -d, 0], g1 ], 
						[ m1, scale*0.5, [-2*d, -d, 0], g1 ]];

				for ( i = 0; i < parameters.length; i ++ ) {

					p = parameters[ i ];

					line = new THREE.Line( p[ 3 ],  p[ 0 ] );

					line.scale.x = line.scale.y = line.scale.z =  p[ 1 ];

					line.position.x = p[ 2 ][ 0 ];
					line.position.y = p[ 2 ][ 1 ];
					line.position.z = p[ 2 ][ 2 ];

					scene.add( line );

				}

				document.addEventListener( 'mousemove', onDocumentMouseMove, false );
				document.addEventListener( 'touchstart', onDocumentTouchStart, false );
				document.addEventListener( 'touchmove', onDocumentTouchMove, false );

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function onWindowResize() {

				windowHalfX = window.innerWidth / 2;
				windowHalfY = window.innerHeight / 2;

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function onDocumentMouseMove(event) {

				mouseX = event.clientX - windowHalfX;
				mouseY = event.clientY - windowHalfY;
			}

			function onDocumentTouchStart( event ) {

				if ( event.touches.length > 1 ) {

					event.preventDefault();

					mouseX = event.touches[ 0 ].pageX - windowHalfX;
					mouseY = event.touches[ 0 ].pageY - windowHalfY;

				}

			}

			function onDocumentTouchMove( event ) {

				if ( event.touches.length == 1 ) {

					event.preventDefault();

					mouseX = event.touches[ 0 ].pageX - windowHalfX;
					mouseY = event.touches[ 0 ].pageY - windowHalfY;

				}

			}

			function animate() {

				requestAnimationFrame( animate );

				render();

			}

			function render() {

				camera.position.x += ( mouseX - camera.position.x ) * .05;
				camera.position.y += ( - mouseY + 200 - camera.position.y ) * .05;

				camera.lookAt( scene.position );

				var time = Date.now() * 0.0015;

				for ( var i = 0; i < scene.children.length; i ++ ) {

					var object = scene.children[ i ];
					if ( object instanceof THREE.Line ) object.rotation.y = time * ( i % 2 ? 1 : -1 );

				}

				renderer.render( scene, camera );

			}

		</script>
	</body>
</html>