javascript
/
three.js
spiegel van 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 point lights WebGL demo by <a href="http://de.redplant.de" target=_blank>redPlant</a> -
			<a href="http://www.ir-ltd.net/infinite-3d-head-scan-released/" target="_blank">Lee Perry-Smith</a> head -
			light attenuation formula by <a href="http://imdoingitwrong.wordpress.com/tag/glsl/" target=_blank>Tom Madams</a>
		</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/ShaderDeferred.js"></script>
		<script src="js/DeferredHelper.js"></script>

		<script src="js/shaders/CopyShader.js"></script>
		<script src="js/shaders/FXAAShader.js"></script>
		<script src="js/shaders/ColorCorrectionShader.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 src="js/loaders/UTF8Loader.js"></script>
		<script src="js/loaders/MTLLoader.js"></script>
		-->

		<script>

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

			var SCALE = 0.75;
			var MARGIN = 100;

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

			var SCALED_WIDTH = Math.floor( SCALE * WIDTH );
			var SCALED_HEIGHT = Math.floor( SCALE * HEIGHT );

			var NEAR = 1.0, FAR = 350.0;
			var VIEW_ANGLE = 45;
			var ASPECT = WIDTH / HEIGHT;

			// 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 numLights = 50;
			var lights = [];

			//

			init();
			animate();

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

			function init() {

				// renderer

				renderer = new THREE.WebGLRenderer( { alpha: false } );
				renderer.setSize( WIDTH, HEIGHT );
				renderer.setClearColorHex( 0x000000, 1 );

				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, ASPECT, NEAR, FAR );
				camera.position.z = 150;

				// 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();

				// deferred helper

				deferredHelper = new THREE.DeferredHelper( { renderer: renderer, scene: scene, camera: camera, width: SCALED_WIDTH, height: SCALED_HEIGHT, additiveSpecular: false } );

				// add lights

				initLights();

				// add objects

				initObjects();

				// events

				document.addEventListener( 'mousemove', onDocumentMouseMove, false );

			}

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

			function addObject( object, y, scale ) {

				object.position.y = y;
				object.scale.set( scale, scale, scale );

				scene.add( object );

			}

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

			function initLights() {

				var distance = 40;

				// front light

				var light = new THREE.PointLight( 0xffffff, 1.5, 1.5 * distance );
				scene.add( light );
				lights.push( light );

				// random lights

				var c = new THREE.Vector3();

				for ( var i = 1; i < numLights; i ++ ) {

					var light = new THREE.PointLight( 0xffffff, 2.0, distance );

					c.set( Math.random(), Math.random(), Math.random() ).normalize();

					light.color.setRGB( c.x, c.y, c.z );
					light.color.convertGammaToLinear();

					scene.add( light );
					lights.push( light );

				}

			}

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

			function initObjects() {

				/*

				var loader = new THREE.UTF8Loader();

				loader.load( "models/utf8/ben_dds.js", function ( object ) {

					addObject( object, -75, 150 );
					animate();

				}, { normalizeRGB: true } );

				loader.load( "models/utf8/WaltHi.js", function ( object ) {

					addObject( object, -35, 1 );
					animate();

				}, { normalizeRGB: true } );

				*/

				var loader = new THREE.JSONLoader();
				loader.load( "obj/leeperrysmith/LeePerrySmith.js", function( geometry, materials ) {

					var mapColor = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Map-COL.jpg" );
					var mapHeight = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Infinite-Level_02_Disp_NoSmoothUV-4096.jpg" );
					mapHeight.repeat.set( 0.998, 0.998 );
					mapHeight.offset.set( 0.001, 0.001 )
					mapHeight.wrapS = mapHeight.wrapT = THREE.RepeatWrapping;
					mapHeight.anisotropy = 4;
					mapHeight.format = THREE.RGBFormat;

					var material = new THREE.MeshPhongMaterial( { map: mapColor, bumpMap: mapHeight, bumpScale: 2.5, shininess: 75, specular: 0x090909 } );

					var object = new THREE.Mesh( geometry, material );
					addObject( object, 0, 8 );

				} );

				// create box

				var object = generateBox();
				addObject( object, 0, 8 );

			}

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

			function generateBox() {

				var object = new THREE.Object3D();

				var mapHeight2 = THREE.ImageUtils.loadTexture( "obj/lightmap/rocks.jpg" );
				mapHeight2.repeat.set( 3, 1.5 );
				mapHeight2.wrapS = mapHeight2.wrapT = THREE.RepeatWrapping;
				mapHeight2.anisotropy = 4;
				mapHeight2.format = THREE.RGBFormat;

				var mapHeight3 = THREE.ImageUtils.loadTexture( "textures/water.jpg" );
				mapHeight3.repeat.set( 16, 8 );
				mapHeight3.wrapS = mapHeight3.wrapT = THREE.RepeatWrapping;
				mapHeight3.anisotropy = 4;
				mapHeight3.format = THREE.RGBFormat;

				var geoPlane = new THREE.PlaneGeometry( 40, 20 );

				var matPlane  = new THREE.MeshPhongMaterial( { color: 0xffffff, specular: 0x111111, shininess:  50, bumpMap: mapHeight2, bumpScale: 0.5 } );
				var matPlane2 = new THREE.MeshPhongMaterial( { color: 0x331919, specular: 0x111111, shininess:  50, bumpMap: mapHeight2, bumpScale: 1 } );
				var matPlane3 = new THREE.MeshPhongMaterial( { color: 0x00aaff, specular: 0xffffff, shininess: 200, bumpMap: mapHeight3, bumpScale: 1.2 } );
				var matPlane4 = new THREE.MeshPhongMaterial( { color: 0xffffff, specular: 0x111111, shininess:  50, bumpMap: mapHeight3, bumpScale: 1 } );

				// bottom

				var mesh = new THREE.Mesh( geoPlane, matPlane3 );
				mesh.position.z = -2;
				mesh.position.y = -6;
				mesh.rotation.x = -Math.PI/2;
				object.add( mesh );

				// top

				var mesh = new THREE.Mesh( geoPlane, matPlane4 );
				mesh.position.z = -2;
				mesh.position.y = 6;
				mesh.rotation.x = Math.PI/2;
				object.add( mesh );

				// back

				var mesh = new THREE.Mesh( geoPlane, matPlane );
				mesh.position.z = -4;
				mesh.position.y = 0;
				object.add( mesh );

				// right

				var mesh = new THREE.Mesh( geoPlane, matPlane );
				mesh.position.z = 0;
				mesh.position.y = 0;
				mesh.position.x = 13;
				mesh.rotation.y = -Math.PI/2;
				//object.add( mesh );

				// left

				var mesh = new THREE.Mesh( geoPlane, matPlane );
				mesh.position.z = 0;
				mesh.position.y = 0;
				mesh.position.x = -13;
				mesh.rotation.y = Math.PI/2;
				//object.add( mesh );

				return object;

			}

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

			function onDocumentMouseMove( event ) {

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

			}

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

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				// update lights

				var time = Date.now() * 0.0005;
				var x, y, z;

				for ( var i = 0, il = lights.length; i < il; i ++ ) {

					var light = lights[ i ];

					if ( i > 0 ) {

						x = Math.sin( time + i * 1.7 ) * 80;
						y = Math.cos( time + i * 1.5 ) * 40;
						z = Math.cos( time + i * 1.3 ) * 30;

					} else {

						x = Math.sin( time * 3 ) * 20;
						y = 15;
						z = Math.cos( time * 3 ) * 25 + 10;

					}

					light.position.set( x, y, z );

				}

				var delta = clock.getDelta();

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

				angle += 0.05 * ( targetX - angle );

				camera.position.x = -Math.sin( angle ) * 150;
				camera.position.z =  Math.cos( angle ) * 150;

				camera.lookAt( target );

				deferredHelper.render();

			}

		</script>
	</body>

</html>