javascript
/
three.js
kopia lustrzana https://github.com/tazdij/three.js.git


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370
							<!DOCTYPE HTML>
<html lang="en">
	<head>
		<title>three.js webgl - postprocessing</title>
		<meta charset="utf-8">
		<style type="text/css">
		    body {
			color: #000;
			font-family:Monospace;
			font-size:13px;
			text-align:center;
			font-weight: bold;

			background-color: #fff;
			margin: 0px;
			overflow: hidden;
		    }

		    #info {
			color:#000;
			background-color: rgba( 255, 255, 255, 0.95 );
			position: relative;
			margin: 0 auto -2em;
			top: 0px;
			width: 550px;
			padding: 5px;
			z-index:100;
		    }

		    a { color: red; }
		</style>
	</head>
	<body>

		<div id="info">
			<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - webgl postprocessing example -
			<a href="http://www.ir-ltd.net/infinite-3d-head-scan-released/" target="_blank">Lee Perry-Smith</a> head
		</div>

		<div id="container"></div>

		<script type="text/javascript" src="../build/Three.js"></script>

		<script type="text/javascript" src="js/postprocessing/EffectComposer.js"></script>
		<script type="text/javascript" src="js/postprocessing/RenderPass.js"></script>
		<script type="text/javascript" src="js/postprocessing/BloomPass.js"></script>
		<script type="text/javascript" src="js/postprocessing/FilmPass.js"></script>
		<script type="text/javascript" src="js/postprocessing/SepiaPass.js"></script>
		<script type="text/javascript" src="js/postprocessing/DotScreenPass.js"></script>
		<script type="text/javascript" src="js/postprocessing/ScreenPass.js"></script>

		<script type="text/javascript" src="js/Detector.js"></script>
		<script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
		<script type="text/javascript" src="js/Stats.js"></script>

		<!-- Time modulated procedural color fragment shader -->

		<script id="fs-colors" type="x-shader/x-fragment">

			varying vec2 vUv;
			uniform float time;

			void main() {

				gl_FragColor = vec4( time, vUv.x, vUv.y, 1.0 );

			}

		</script>

		<!-- Generic vertex shader -->

		<script id="vs-generic" type="x-shader/x-vertex">

			varying vec2 vUv;

			void main() {

				vUv = vec2( uv.x, 1.0 - uv.y );
				gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );

			}

		</script>


		<script type="text/javascript">

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

			var container, stats;

			var composerScene, composer1, composer2, composer3, composer4;

			var cameraOrtho, cameraPerspective, sceneModel, sceneBG, renderer, mesh, directionalLight;

			var halfWidth = window.innerWidth / 2;
			var halfHeight = window.innerHeight / 2;

			var rtTexture, materialColor, material2D, quadBG1, quadBG2;

			var delta = 0.01;

			init();
			animate();

			function init() {

				container = document.getElementById( 'container' );

				cameraOrtho = new THREE.OrthoCamera( -halfWidth, halfWidth, halfHeight, -halfHeight, -10000, 10000 );
				cameraOrtho.position.z = 100;

				cameraPerspective = new THREE.Camera( 50, window.innerWidth / window.innerHeight, 1, 10000 );
				cameraPerspective.position.z = 900;

				//

				sceneModel = new THREE.Scene();

				directionalLight = new THREE.DirectionalLight( 0xffffff );
				directionalLight.position.set( 0, 0, 1 );
				directionalLight.position.normalize();
				sceneModel.addLight( directionalLight );

				loader = new THREE.JSONLoader( true );
				document.body.appendChild( loader.statusDomElement );
				loader.load( { model: "obj/leeperrysmith/LeePerrySmith.js", callback: function( geometry ) { createMesh( geometry, sceneModel, 100 ) } } );

				//

				sceneBG = new THREE.Scene();

				materialColor = new THREE.MeshShaderMaterial( {

					uniforms: { time: { type: "f", value: 0.0 } },
					vertexShader: getText( 'vs-generic' ),
					fragmentShader: getText( 'fs-colors' ),
					depthTest: false

				} );

				var plane = new THREE.PlaneGeometry( 1, 1 );

				quadBG1 = new THREE.Mesh( plane, materialColor );
				quadBG1.position.z = -500;
				quadBG1.scale.set( window.innerWidth, window.innerHeight, 1 );
				sceneBG.addObject( quadBG1 );

				//

				renderer = new THREE.WebGLRenderer( { antialias: false } );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.autoClear = false;

				container.appendChild( renderer.domElement );

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.top = '0px';
				container.appendChild( stats.domElement );

				//

				var effectBloom = new THREE.BloomPass( 0.75 );
				var effectFilm = new THREE.FilmPass( 0.35, 0.5, 2048, false );
				var effectFilmBW = new THREE.FilmPass( 0.35, 0.5, 2048, true );
				var effectSepia = new THREE.SepiaPass( 1.0 );
				var effectScreen = new THREE.ScreenPass();
				var effectDotScreen = new THREE.DotScreenPass( new THREE.Vector2( 0, 0 ), 0.5, 0.4 );

				effectFilm.renderToScreen = true;
				effectFilmBW.renderToScreen = true;
				effectDotScreen.renderToScreen = true;

				//

				var renderBackground = new THREE.RenderPass( sceneBG, cameraOrtho );
				var renderModel = new THREE.RenderPass( sceneModel, cameraPerspective );

				renderModel.clear = false;

				composerScene = new THREE.EffectComposer( renderer );

				composerScene.addPass( renderBackground );
				composerScene.addPass( renderModel );

				//

				scene2D = new THREE.Scene();

				var shader = THREE.ShaderUtils.lib[ "screen" ];

				material2D = new THREE.MeshShaderMaterial( {

					uniforms: THREE.UniformsUtils.clone( shader.uniforms ),
					vertexShader: shader.vertexShader,
					fragmentShader: shader.fragmentShader

				} );

				material2D.uniforms[ "tDiffuse" ].texture = composerScene.renderTarget;

				quadBG2 = new THREE.Mesh( plane, material2D );
				quadBG2.position.z = -500;
				quadBG2.scale.set( window.innerWidth, window.innerHeight, 1 );
				scene2D.addObject( quadBG2 );

				var renderScene = new THREE.RenderPass( scene2D, cameraOrtho );

				//

				composer1 = new THREE.EffectComposer( renderer );

				composer1.addPass( renderScene );
				composer1.addPass( effectBloom );
				composer1.addPass( effectFilmBW );

				//

				composer2 = new THREE.EffectComposer( renderer );

				composer2.addPass( renderScene );
				composer2.addPass( effectDotScreen );

				//

				composer3 = new THREE.EffectComposer( renderer );

				composer3.addPass( renderScene );
				composer3.addPass( effectSepia );
				composer3.addPass( effectFilm );

				//

				composer4 = new THREE.EffectComposer( renderer );

				composer4.addPass( renderScene );
				composer4.addPass( effectBloom );
				composer4.addPass( effectSepia );
				composer4.addPass( effectScreen );

				//

				onWindowResize();

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

			}

			function onWindowResize( event ) {

				halfWidth = window.innerWidth / 2;
				halfHeight = window.innerHeight / 2;

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

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

				cameraOrtho.left = -halfWidth;
				cameraOrtho.right = halfWidth;
				cameraOrtho.top = halfHeight;
				cameraOrtho.bottom = -halfHeight;

				cameraOrtho.updateProjectionMatrix();

				composerScene.reset();

				composer1.reset();
				composer2.reset();
				composer3.reset();
				composer4.reset();

				material2D.uniforms[ "tDiffuse" ].texture = composerScene.renderTarget;

				quadBG1.scale.set( window.innerWidth, window.innerHeight, 1 );
				quadBG2.scale.set( window.innerWidth, window.innerHeight, 1 );

			}

			function getText( id ) {

				return document.getElementById( id ).textContent;

			}

			function createMesh( geometry, scene, scale ) {

				geometry.computeTangents();

				var ambient = 0x444444, diffuse = 0x888888, specular = 0x080810, shininess = 2;

				var shader = THREE.ShaderUtils.lib[ "normal" ];
				var uniforms = THREE.UniformsUtils.clone( shader.uniforms );

				uniforms[ "tNormal" ].texture = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Infinite-Level_02_Tangent_SmoothUV.jpg" );
				uniforms[ "uNormalScale" ].value = - 0.75;

				uniforms[ "tDiffuse" ].texture = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Map-COL.jpg" );

				uniforms[ "enableAO" ].value = false;
				uniforms[ "enableDiffuse" ].value = true;

				uniforms[ "uDiffuseColor" ].value.setHex( diffuse );
				uniforms[ "uSpecularColor" ].value.setHex( specular );
				uniforms[ "uAmbientColor" ].value.setHex( ambient );

				uniforms[ "uShininess" ].value = shininess;

				var parameters = { fragmentShader: shader.fragmentShader, vertexShader: shader.vertexShader, uniforms: uniforms, lights: true };
				var mat2 = new THREE.MeshShaderMaterial( parameters );

				mesh = new THREE.Mesh( geometry, mat2 );
				mesh.position.set( 0, -50, 0 );
				mesh.scale.set( scale, scale, scale );

				scene.addObject( mesh );

				loader.statusDomElement.style.display = "none";

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				var time = new Date().getTime() * 0.0004;

				if ( mesh ) mesh.rotation.y = -time;

				if ( materialColor.uniforms.time.value > 1 || materialColor.uniforms.time.value < 0 ) {

					delta *= -1;

				}

				materialColor.uniforms.time.value += delta / 2;

				renderer.setViewport( 0, 0, 2 * halfWidth, 2 * halfHeight );

				renderer.clear();
				composerScene.render( delta );

				renderer.setViewport( 0, 0, halfWidth, halfHeight );
				composer1.render( delta );

				renderer.setViewport( halfWidth, 0, halfWidth, halfHeight );
				composer2.render( delta );

				renderer.setViewport( 0, halfHeight, halfWidth, halfHeight );
				composer3.render( delta );

				renderer.setViewport( halfWidth, halfHeight, halfWidth, halfHeight );
				composer4.render( delta );

			}

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