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webgl_postprocessing.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - postprocessing</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 {
color: #000;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
background-color: #000;
margin: 0px;
overflow: hidden;
}
#info {
color:#fff;
background-color: rgba( 0, 0, 0, 0.5 );
position: relative;
margin: 0 auto -2.1em;
top: 0px;
width: 550px;
padding: 5px;
z-index:100;
}
a { color: red; }
</style>
</head>
<body>
<div id="info">
<a href="http://threejs.org" 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 src="../build/three.min.js"></script>
<script src="js/shaders/BleachBypassShader.js"></script>
<script src="js/shaders/ColorifyShader.js"></script>
<script src="js/shaders/ConvolutionShader.js"></script>
<script src="js/shaders/CopyShader.js"></script>
<script src="js/shaders/DotScreenShader.js"></script>
<script src="js/shaders/FilmShader.js"></script>
<script src="js/shaders/HorizontalBlurShader.js"></script>
<script src="js/shaders/SepiaShader.js"></script>
<script src="js/shaders/VerticalBlurShader.js"></script>
<script src="js/shaders/VignetteShader.js"></script>
<script src="js/postprocessing/EffectComposer.js"></script>
<script src="js/postprocessing/RenderPass.js"></script>
<script src="js/postprocessing/BloomPass.js"></script>
<script src="js/postprocessing/FilmPass.js"></script>
<script src="js/postprocessing/DotScreenPass.js"></script>
<script src="js/postprocessing/TexturePass.js"></script>
<script src="js/postprocessing/ShaderPass.js"></script>
<script src="js/postprocessing/MaskPass.js"></script>
<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var composerScene, composer1, composer2, composer3, composer4;
var cameraOrtho, cameraPerspective, sceneModel, sceneBG, renderer, mesh, directionalLight;
var width = window.innerWidth || 2;
var height = window.innerHeight || 2;
var halfWidth = width / 2;
var halfHeight = height / 2;
var materialColor, material2D, quadBG, quadMask, renderScene;
var rtParameters;
var delta = 0.01;
init();
animate();
function init() {
container = document.getElementById( 'container' );
//
cameraOrtho = new THREE.OrthographicCamera( -halfWidth, halfWidth, halfHeight, -halfHeight, -10000, 10000 );
cameraOrtho.position.z = 100;
cameraPerspective = new THREE.PerspectiveCamera( 50, width / height, 1, 10000 );
cameraPerspective.position.z = 900;
//
sceneModel = new THREE.Scene();
sceneBG = new THREE.Scene();
//
directionalLight = new THREE.DirectionalLight( 0xffffff );
directionalLight.position.set( 0, -0.1, 1 ).normalize();
sceneModel.add( directionalLight );
loader = new THREE.JSONLoader( true );
document.body.appendChild( loader.statusDomElement );
loader.load( "obj/leeperrysmith/LeePerrySmith.js", function( geometry ) { createMesh( geometry, sceneModel, 100 ) } );
//
var materialColor = new THREE.MeshBasicMaterial( { map: THREE.ImageUtils.loadTexture( "textures/cube/SwedishRoyalCastle/pz.jpg" ), depthTest: false } );
quadBG = new THREE.Mesh( new THREE.PlaneGeometry( 1, 1 ), materialColor );
quadBG.position.z = -500;
quadBG.scale.set( width, height, 1 );
sceneBG.add( quadBG );
//
var sceneMask = new THREE.Scene();
quadMask = new THREE.Mesh( new THREE.PlaneGeometry( 1, 1 ), new THREE.MeshBasicMaterial( { color: 0xffaa00 } ) );
quadMask.position.z = -300;
quadMask.scale.set( width / 2, height / 2, 1 );
sceneMask.add( quadMask );
//
renderer = new THREE.WebGLRenderer( { antialias: false } );
renderer.setSize( width, height );
renderer.setClearColorHex( 0x000000, 1 );
renderer.autoClear = false;
//
renderer.gammaInput = true;
renderer.gammaOutput = true;
//
container.appendChild( renderer.domElement );
//
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
//container.appendChild( stats.domElement );
//
var shaderBleach = THREE.BleachBypassShader;
var shaderSepia = THREE.SepiaShader;
var shaderVignette = THREE.VignetteShader;
var shaderCopy = THREE.CopyShader;
var effectBleach = new THREE.ShaderPass( shaderBleach );
var effectSepia = new THREE.ShaderPass( shaderSepia );
var effectVignette = new THREE.ShaderPass( shaderVignette );
var effectCopy = new THREE.ShaderPass( shaderCopy );
effectBleach.uniforms[ "opacity" ].value = 0.95;
effectSepia.uniforms[ "amount" ].value = 0.9;
effectVignette.uniforms[ "offset" ].value = 0.95;
effectVignette.uniforms[ "darkness" ].value = 1.6;
var effectBloom = new THREE.BloomPass( 0.5 );
var effectFilm = new THREE.FilmPass( 0.35, 0.025, 648, false );
var effectFilmBW = new THREE.FilmPass( 0.35, 0.5, 2048, true );
var effectDotScreen = new THREE.DotScreenPass( new THREE.Vector2( 0, 0 ), 0.5, 0.8 );
var effectHBlur = new THREE.ShaderPass( THREE.HorizontalBlurShader );
var effectVBlur = new THREE.ShaderPass( THREE.VerticalBlurShader );
effectHBlur.uniforms[ 'h' ].value = 2 / ( width / 2 );
effectVBlur.uniforms[ 'v' ].value = 2 / ( height / 2 );
var effectColorify1 = new THREE.ShaderPass( THREE.ColorifyShader );
var effectColorify2 = new THREE.ShaderPass( THREE.ColorifyShader );
effectColorify1.uniforms[ 'color' ].value.setRGB( 1, 0.8, 0.8 );
effectColorify2.uniforms[ 'color' ].value.setRGB( 1, 0.75, 0.5 );
var clearMask = new THREE.ClearMaskPass();
var renderMask = new THREE.MaskPass( sceneModel, cameraPerspective );
var renderMaskInverse = new THREE.MaskPass( sceneModel, cameraPerspective );
renderMaskInverse.inverse = true;
//effectFilm.renderToScreen = true;
//effectFilmBW.renderToScreen = true;
//effectDotScreen.renderToScreen = true;
//effectBleach.renderToScreen = true;
effectVignette.renderToScreen = true;
//effectCopy.renderToScreen = true;
//
rtParameters = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBFormat, stencilBuffer: true };
var rtWidth = width / 2;
var rtHeight = height / 2;
//
var renderBackground = new THREE.RenderPass( sceneBG, cameraOrtho );
var renderModel = new THREE.RenderPass( sceneModel, cameraPerspective );
renderModel.clear = false;
composerScene = new THREE.EffectComposer( renderer, new THREE.WebGLRenderTarget( rtWidth * 2, rtHeight * 2, rtParameters ) );
composerScene.addPass( renderBackground );
composerScene.addPass( renderModel );
composerScene.addPass( renderMaskInverse );
composerScene.addPass( effectHBlur );
composerScene.addPass( effectVBlur );
composerScene.addPass( clearMask );
//
renderScene = new THREE.TexturePass( composerScene.renderTarget2 );
//
composer1 = new THREE.EffectComposer( renderer, new THREE.WebGLRenderTarget( rtWidth, rtHeight, rtParameters ) );
composer1.addPass( renderScene );
//composer1.addPass( renderMask );
composer1.addPass( effectFilmBW );
//composer1.addPass( clearMask );
composer1.addPass( effectVignette );
//
composer2 = new THREE.EffectComposer( renderer, new THREE.WebGLRenderTarget( rtWidth, rtHeight, rtParameters ) );
composer2.addPass( renderScene );
composer2.addPass( effectDotScreen );
composer2.addPass( renderMask );
composer2.addPass( effectColorify1 );
composer2.addPass( clearMask );
composer2.addPass( renderMaskInverse );
composer2.addPass( effectColorify2 );
composer2.addPass( clearMask );
composer2.addPass( effectVignette );
//
composer3 = new THREE.EffectComposer( renderer, new THREE.WebGLRenderTarget( rtWidth, rtHeight, rtParameters ) );
composer3.addPass( renderScene );
//composer3.addPass( renderMask );
composer3.addPass( effectSepia );
composer3.addPass( effectFilm );
//composer3.addPass( clearMask );
composer3.addPass( effectVignette );
//
composer4 = new THREE.EffectComposer( renderer, new THREE.WebGLRenderTarget( rtWidth, rtHeight, rtParameters ) );
composer4.addPass( renderScene );
//composer4.addPass( renderMask );
composer4.addPass( effectBloom );
composer4.addPass( effectFilm );
composer4.addPass( effectBleach );
//composer4.addPass( clearMask );
composer4.addPass( effectVignette );
//
//onWindowResize();
renderScene.uniforms[ "tDiffuse" ].value = composerScene.renderTarget2;
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( new THREE.WebGLRenderTarget( halfWidth * 2, halfHeight * 2, rtParameters ) );
composer1.reset( new THREE.WebGLRenderTarget( halfWidth, halfHeight, rtParameters ) );
composer2.reset( new THREE.WebGLRenderTarget( halfWidth, halfHeight, rtParameters ) );
composer3.reset( new THREE.WebGLRenderTarget( halfWidth, halfHeight, rtParameters ) );
composer4.reset( new THREE.WebGLRenderTarget( halfWidth, halfHeight, rtParameters ) );
renderScene.uniforms[ "tDiffuse" ].value = composerScene.renderTarget2;
quadBG.scale.set( window.innerWidth, window.innerHeight, 1 );
quadMask.scale.set( window.innerWidth / 2, window.innerHeight / 2, 1 );
}
function getText( id ) {
return document.getElementById( id ).textContent;
}
function createMesh( geometry, scene, scale ) {
geometry.computeTangents();
var ambient = 0x444444, diffuse = 0x999999, specular = 0x080808, shininess = 20;
var shader = THREE.ShaderUtils.lib[ "normal" ];
var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
uniforms[ "tNormal" ].value = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Infinite-Level_02_Tangent_SmoothUV.jpg" );
uniforms[ "uNormalScale" ].value.set( 0.75, 0.75 );
uniforms[ "tDiffuse" ].value = 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;
uniforms[ "uDiffuseColor" ].value.convertGammaToLinear();
uniforms[ "uSpecularColor" ].value.convertGammaToLinear();
uniforms[ "uAmbientColor" ].value.convertGammaToLinear();
var parameters = { fragmentShader: shader.fragmentShader, vertexShader: shader.vertexShader, uniforms: uniforms, lights: true };
var mat2 = new THREE.ShaderMaterial( parameters );
mesh = new THREE.Mesh( geometry, mat2 );
mesh.position.set( 0, -50, 0 );
mesh.scale.set( scale, scale, scale );
scene.add( mesh );
loader.statusDomElement.style.display = "none";
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
var time = Date.now() * 0.0004;
if ( mesh ) mesh.rotation.y = -time;
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>