javascript
/
three.js
镜像来自 https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE HTML>
<html lang="en">
	<head>
		<title>three.js webgl - deferred rendering</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: #000;
				margin: 0px;
				overflow: hidden;
			}

			#info {
				position: absolute;
				top: 20px; width: 100%;
				color: #ffffff;
				padding: 5px;
				font-family: Monospace;
				font-size: 13px;
				text-align: center;
			}

			a {
				color: #ff0080;
				text-decoration: none;
			}

			a:hover {
				color: #0080ff;
			}

			#stats { position: absolute; top:10px; left: 5px }
			#stats #fps { background: transparent !important }
			#stats #fps #fpsText { color: #aaa !important }
			#stats #fps #fpsGraph { display: none }
		</style>
	</head>

	<body>
		<div id="info">
			<a href="http://threejs.org" target="_blank">three.js</a> - deferred area lights WebGL demo by <a href="http://de.redplant.de" target=_blank>redPlant</a> -
			based on <a href="http://www.gamedev.net/topic/552315-glsl-area-light-implementation/" target=_blank>ArKano22's</a> glsl implementation
		</div>
		<div id="container"></div>

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

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

		<script src="js/renderers/WebGLDeferredRenderer.js"></script>
		<script src="js/ShaderDeferred.js"></script>

		<script src="js/shaders/CopyShader.js"></script>
		<script src="js/shaders/FXAAShader.js"></script>

		<script src="js/postprocessing/EffectComposer.js"></script>
		<script src="js/postprocessing/RenderPass.js"></script>
		<script src="js/postprocessing/ShaderPass.js"></script>
		<script src="js/postprocessing/MaskPass.js"></script>


		<script>

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

			var SCALE = 1;
			var MARGIN = 100;

			var WIDTH = window.innerWidth;
			var HEIGHT = window.innerHeight - 2 * MARGIN;

			var NEAR = 1.0, FAR = 350.0;
			var VIEW_ANGLE = 40;

			// controls

			var mouseX = 0;
			var mouseY = 0;

			var targetX = 0, targetY = 0;
			var angle = 0;
			var target = new THREE.Vector3( 0, 0, 0 );

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

			// core

			var renderer, camera, scene, stats, clock;

			// lights

			var areaLight1, areaLight2, areaLight3;

			//

			init();
			animate();

			// -----------------------------

			function init() {

				// renderer

				renderer = new THREE.WebGLDeferredRenderer( { width: WIDTH, height: HEIGHT, scale: SCALE, antialias: true } );

				renderer.domElement.style.position = "absolute";
				renderer.domElement.style.top = MARGIN + "px";
				renderer.domElement.style.left = "0px";

				var container = document.getElementById( 'container' );
				container.appendChild( renderer.domElement );

				// camera

				camera = new THREE.PerspectiveCamera( VIEW_ANGLE, WIDTH / HEIGHT, NEAR, FAR );
				camera.position.y = 40;

				// scene

				scene = new THREE.Scene();
				scene.add( camera );

				// stats

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.top = '8px';
				stats.domElement.style.zIndex = 100;
				container.appendChild( stats.domElement );

				// clock

				clock = new THREE.Clock();

				// add lights

				initLights();

				// add objects

				initObjects();

				// events

				document.addEventListener( 'mousemove', onDocumentMouseMove, false );
				window.addEventListener( 'resize', onWindowResize, false );

			}

			// -----------------------------

			function createAreaEmitter( light ) {

				var geometry = new THREE.CubeGeometry( 1, 1, 1 );
				var material = new THREE.MeshBasicMaterial( { color: light.color.getHex() } );

				var emitter = new THREE.Mesh( geometry, material );

				emitter.position = light.position;
				emitter.rotation = light.rotation;
				emitter.scale.set( light.width * 2, 0.2, light.height * 2 );

				return emitter;

			}

			function setupAreaLight( light ) {

				var matrix = light.matrixWorld;

				light.right.set( 1, 0, 0 );
				light.normal.set( 0, -1, 0 );

				light.right.applyMatrix4( matrix );
				light.normal.applyMatrix4( matrix );

			}

			function initLights() {

				areaLight1 = new THREE.AreaLight( 0xffffff, 1 );
				areaLight1.position.set( 0.0001, 10.0001, -19.5001 );
				areaLight1.rotation.set( -0.74719, 0.0001, 0.0001 );
				areaLight1.width = 10;
				areaLight1.height = 1;

				scene.add( areaLight1 );

				var meshEmitter = createAreaEmitter( areaLight1 );
				scene.add( meshEmitter );

				//

				areaLight2 = new THREE.AreaLight( 0x33ff66, 1.5 );
				areaLight2.position.set( -19.0001, 3.0001, 0.0001 );
				areaLight2.rotation.set( -1.5707, 0.0001, 1.5707 );
				areaLight2.width = 8;
				areaLight2.height = 1;

				scene.add( areaLight2 );

				var meshEmitter = createAreaEmitter( areaLight2 );
				scene.add( meshEmitter );

				//

				areaLight3 = new THREE.AreaLight( 0x3366ff, 1.5 );
				areaLight3.position.set( 19.0001, 3.0001, 0.0001 );
				areaLight3.rotation.set( 1.5707, 0.0001, -1.5707 );
				areaLight3.width = 8;
				areaLight3.height = 1;

				scene.add( areaLight3 );

				var meshEmitter = createAreaEmitter( areaLight3 );
				scene.add( meshEmitter );

			}

			// -----------------------------

			function initObjects() {

				var loader = new THREE.BinaryLoader();
				loader.load( "obj/box/box.js", function ( geometry, materials ) {

					var material = new THREE.MeshPhongMaterial( { color: 0xffaa55, specular: 0x888888, shininess: 10 } );
					var object = new THREE.Mesh( geometry, material );
					object.scale.multiplyScalar( 2 );
					scene.add( object );

				} );

				/*
				var loader = new THREE.BinaryLoader();
				loader.load( "obj/veyron/VeyronNoUv_bin.js", function ( geometry ) {

					var r = "textures/cube/Bridge2/";
					var urls = [
						r + "posx.jpg", r + "negx.jpg",
						r + "posy.jpg", r + "negy.jpg",
						r + "posz.jpg", r + "negz.jpg"
					];

					var textureCube = THREE.ImageUtils.loadTextureCube( urls );
					textureCube.format = THREE.RGBFormat;

					var materials = [
						// tires + inside
						new THREE.MeshLambertMaterial( {
							color: 0x050505
						} ),
						// wheels + extras chrome
						new THREE.MeshLambertMaterial( {
							color: 0xffffff,
							envMap: textureCube
						} ),
						// back / top / front torso
						new THREE.MeshLambertMaterial( {
							color: 0x000000,
							ambient: 0x000000,
							envMap: textureCube,
							combine: THREE.MixOperation,
							reflectivity: 0.15
						} ),
						// glass
						new THREE.MeshLambertMaterial( {
							color: 0x101046,
							envMap: textureCube,
							opacity: 0.25,
							transparent: true
						} ),
						// sides torso
						new THREE.MeshLambertMaterial( {
							color: 0xffffff,
							envMap: textureCube
						} ),
						// engine
						new THREE.MeshLambertMaterial( {
							color: 0xffffff,
							envMap: textureCube
						} ),
						// backlights
						new THREE.MeshLambertMaterial( {
							color: 0xff0000,
							opacity: 0.5,
							transparent: true
						} ),
						// backsignals
						new THREE.MeshLambertMaterial( {
							color: 0xffbb00,
							opacity: 0.5,
							transparent: true
						} )
					];

					var object = new THREE.Mesh( geometry, new THREE.MeshFaceMaterial( materials ) );
					object.position.y = 5;
					object.rotation.y = Math.PI / 4;
					object.scale.multiplyScalar( 0.1 );
					scene.add( object );

				} );
				*/

			}


			// -----------------------------

			function onWindowResize( event ) {

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

				WIDTH = window.innerWidth;
				HEIGHT = window.innerHeight - 2 * MARGIN;

				renderer.setSize( WIDTH, HEIGHT );

				camera.aspect = WIDTH / HEIGHT;
				camera.updateProjectionMatrix();

			}

			function onDocumentMouseMove( event ) {

				mouseX = ( event.clientX - windowHalfX ) * 1;
				mouseY = ( event.clientY - windowHalfY ) * 1;

			}

			// -----------------------------

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				// update camera

				var delta = clock.getDelta();

				targetX = mouseX * .001;
				targetY = mouseY * .001;

				angle += 0.05 * ( targetX - angle );

				camera.position.x = -Math.sin( angle ) * 40;
				camera.position.z =  Math.cos( angle ) * 40;

				camera.lookAt( target );

				var time = Date.now();

				areaLight1.position.x = Math.sin( Date.now() * 0.001 ) * 10;
				areaLight1.position.y = Math.sin( Date.now() * 0.0013 ) * 5 + 5;

				areaLight2.position.y = Math.sin( Date.now() * 0.0011 ) * 5 + 5;
				areaLight2.position.z = Math.sin( Date.now() * 0.00113 ) * 10;

				areaLight3.position.y = Math.sin( Date.now() * 0.00111 ) * 5 + 5;
				areaLight3.position.z = Math.sin( Date.now() * 0.001113 ) * 10;

				// render

				renderer.render( scene, camera );

			}

		</script>
	</body>

</html>