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208 lines
5.6 KiB
208 lines
5.6 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - post processing - Scalable Ambient Occlusion (SAO)</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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background-color: #000000;
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margin: 0px;
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overflow: hidden;
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font-family:Monospace;
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font-size:13px;
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text-align:center;
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font-weight: bold;
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}
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a { color:#00ff78; }
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#info {
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color: #fff;
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position: absolute;
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top: 0px;
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width: 100%;
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padding: 5px;
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}
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.dg.ac {
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z-index: 1 !important; /* FIX DAT.GUI */
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}
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</style>
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</head>
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<body>
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<script src="../build/three.js"></script>
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<script src="js/postprocessing/EffectComposer.js"></script>
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<script src="js/postprocessing/RenderPass.js"></script>
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<script src="js/postprocessing/ShaderPass.js"></script>
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<script src="js/postprocessing/SAOPass.js"></script>
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<script src="js/shaders/CopyShader.js"></script>
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<script src="js/shaders/SAOShader.js"></script>
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<script src="js/shaders/DepthLimitedBlurShader.js"></script>
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<script src="js/shaders/UnpackDepthRGBAShader.js"></script>
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<script src="js/WebGL.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script src='js/libs/dat.gui.min.js'></script>
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<div id="info">
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<a href="http://threejs.org" target="_blank" rel="noopener noreferrer">three.js</a> - Scalable Ambient Occlusion (SAO) shader by <a href="http://clara.io">Ben Houston</a> / Post-processing pass by <a href="http://ludobaka.github.io">Ludobaka</a>
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</div>
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<script>
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if ( WEBGL.isWebGLAvailable() === false ) {
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document.body.appendChild( WEBGL.getWebGLErrorMessage() );
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}
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var container, stats;
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var camera, scene, renderer;
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var composer, renderPass, saoPass;
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var group;
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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var width = window.innerWidth || 1;
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var height = window.innerHeight || 1;
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var devicePixelRatio = window.devicePixelRatio || 1;
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setClearColor( 0x000000 );
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renderer.setPixelRatio( devicePixelRatio );
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renderer.setSize( width, height );
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document.body.appendChild( renderer.domElement );
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camera = new THREE.PerspectiveCamera( 65, width / height, 3, 10 );
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camera.position.z = 7;
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scene = new THREE.Scene();
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group = new THREE.Object3D();
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scene.add( group );
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var light = new THREE.PointLight( 0xddffdd, 0.8 );
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light.position.z = 70;
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light.position.y = - 70;
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light.position.x = - 70;
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scene.add( light );
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var light2 = new THREE.PointLight( 0xffdddd, 0.8 );
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light2.position.z = 70;
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light2.position.x = - 70;
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light2.position.y = 70;
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scene.add( light2 );
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var light3 = new THREE.PointLight( 0xddddff, 0.8 );
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light3.position.z = 70;
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light3.position.x = 70;
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light3.position.y = - 70;
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scene.add( light3 );
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var light3 = new THREE.AmbientLight( 0xffffff, 0.05 );
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scene.add( light3 );
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var geometry = new THREE.SphereBufferGeometry( 3, 48, 24 );
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for ( var i = 0; i < 120; i ++ ) {
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var material = new THREE.MeshStandardMaterial();
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material.roughness = 0.5 * Math.random() + 0.25;
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material.metalness = 0;
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material.color.setHSL( Math.random(), 1.0, 0.3 );
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var mesh = new THREE.Mesh( geometry, material );
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mesh.position.x = Math.random() * 4 - 2;
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mesh.position.y = Math.random() * 4 - 2;
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mesh.position.z = Math.random() * 4 - 2;
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mesh.rotation.x = Math.random();
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mesh.rotation.y = Math.random();
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mesh.rotation.z = Math.random();
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mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 0.2 + 0.05;
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group.add( mesh );
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}
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stats = new Stats();
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container.appendChild( stats.dom );
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composer = new THREE.EffectComposer( renderer );
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renderPass = new THREE.RenderPass( scene, camera );
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composer.addPass( renderPass );
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saoPass = new THREE.SAOPass( scene, camera, false, true );
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composer.addPass( saoPass );
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// Init gui
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var gui = new dat.GUI();
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gui.add( saoPass.params, 'output', {
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'Beauty': THREE.SAOPass.OUTPUT.Beauty,
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'Beauty+SAO': THREE.SAOPass.OUTPUT.Default,
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'SAO': THREE.SAOPass.OUTPUT.SAO,
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'Depth': THREE.SAOPass.OUTPUT.Depth,
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'Normal': THREE.SAOPass.OUTPUT.Normal
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} ).onChange( function ( value ) {
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saoPass.params.output = parseInt( value );
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} );
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gui.add( saoPass.params, 'saoBias', - 1, 1 );
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gui.add( saoPass.params, 'saoIntensity', 0, 1 );
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gui.add( saoPass.params, 'saoScale', 0, 10 );
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gui.add( saoPass.params, 'saoKernelRadius', 1, 100 );
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gui.add( saoPass.params, 'saoMinResolution', 0, 1 );
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gui.add( saoPass.params, 'saoBlur' );
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gui.add( saoPass.params, 'saoBlurRadius', 0, 200 );
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gui.add( saoPass.params, 'saoBlurStdDev', 0.5, 150 );
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gui.add( saoPass.params, 'saoBlurDepthCutoff', 0.0, 0.1 );
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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var width = window.innerWidth || 1;
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var height = window.innerHeight || 1;
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camera.aspect = width / height;
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camera.updateProjectionMatrix();
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renderer.setSize( width, height );
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composer.setSize( width, height );
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}
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function animate() {
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requestAnimationFrame( animate );
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stats.begin();
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render();
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stats.end();
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}
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function render() {
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var timer = performance.now();
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group.rotation.x = timer * 0.0002;
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group.rotation.y = timer * 0.0001;
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composer.render();
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}
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</script>
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</body>
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</html>
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