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@@ -1,102 +1,195 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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- <title>three.js webgl - postprocessing - FXAA 3.11</title>
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- <meta charset="utf-8">
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+ <title>three.js WebGL - postprocessing - FXAA</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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+ html, body {
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+ height: 100%;
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+ }
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+
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body {
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- color: #61443e;
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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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-
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- /* background-color: #bfd1e5; */
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- background-color: #ffffff;
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- margin: 0px;
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+ background: #ffffff;
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+ padding: 0;
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+ margin: 0;
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+ font-family: Monospace;
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+ font-size: 13px;
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+ overflow: hidden;
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}
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- a { color: #a06851; }
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+ #info {
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+ top: 0px;
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+ width: 100%;
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+ color: #000000;
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+ margin: 6px 0px;
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+ text-align: center;
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+ }
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- canvas {
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- margin: 20px;
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- margin-top: 40px;
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+ #info a {
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+ color: #000000;
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}
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+ #container {
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+ width: 100%;
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+ height: calc(100% - 80px);
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+ }
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</style>
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</head>
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+
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<body>
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- <div id="info">
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- <p><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - FXAA example </p>
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- <p>original image (left) - FXAA 3.11 post-processing antialiasing (right)</p>
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- <p>Image source: <a href="https://github.com/mattdesl/glsl-fxaa" target="_blank" rel="noopener">glsl-fxaa by mattdesl</a></p>
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- </div>
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+ <div id="info">
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+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - postprocessing - FXAA<br />
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+ Left scene processed with FXAA, right scene is rendered without anti-aliasing.
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+ </div>
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+ <div id="container">
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+ </div>
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- <div id="container"></div>
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+ <script src="../build/three.js"></script>
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+ <script src="js/WebGL.js"></script>
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+ <script src="js/shaders/CopyShader.js"></script>
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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/shaders/FXAAShader.js"></script>
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- <script src="js/WebGL.js"></script>
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-
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<script>
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- ( function closure() {
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+ if ( WEBGL.isWebGLAvailable() === false ) {
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+
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+ document.body.appendChild( WEBGL.getWebGLErrorMessage() );
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+
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+ }
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+
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+ var camera, scene, renderer, clock, group;
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+
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+ var composer1, composer2, fxaaPass;
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+
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+ init();
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+ animate();
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+
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+ function init() {
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+
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+ var container = document.getElementById( 'container' );
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+
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+ camera = new THREE.PerspectiveCamera( 45, ( window.innerWidth * 0.5 ) / window.innerHeight, 1, 2000 );
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+ camera.position.z = 500;
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+
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+ scene = new THREE.Scene();
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+ scene.background = new THREE.Color( 0xffffff );
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+ scene.fog = new THREE.Fog( 0xcccccc, 100, 1500 );
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+
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+ clock = new THREE.Clock();
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+
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+ //
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+
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+ var hemiLight = new THREE.HemisphereLight( 0xffffff, 0x444444 );
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+ hemiLight.position.set( 0, 1000, 0 );
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+ scene.add( hemiLight );
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+
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+ var dirLight = new THREE.DirectionalLight( 0xffffff, 0.8 );
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+ dirLight.position.set( - 3000, 1000, - 1000 );
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+ scene.add( dirLight );
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- 'use strict';
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+ //
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- if ( WEBGL.isWebGLAvailable() === false ) {
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+ group = new THREE.Group();
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- document.body.appendChild( WEBGL.getWebGLErrorMessage() );
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+ var geometry = new THREE.TetrahedronBufferGeometry( 10 );
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+ var material = new THREE.MeshStandardMaterial( { color: 0xee0808, flatShading: true } );
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+
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+ for ( var i = 0; i < 100; i ++ ) {
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+
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+ var mesh = new THREE.Mesh( geometry, material );
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+
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+ mesh.position.x = Math.random() * 500 - 250;
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+ mesh.position.y = Math.random() * 500 - 250;
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+ mesh.position.z = Math.random() * 500 - 250;
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+
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+ mesh.scale.setScalar( Math.random() * 2 + 1 );
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+
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+ mesh.rotation.x = Math.random() * Math.PI;
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+ mesh.rotation.y = Math.random() * Math.PI;
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+ mesh.rotation.z = Math.random() * Math.PI;
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+
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+ group.add( mesh );
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}
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- var loader = new THREE.TextureLoader();
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- loader.load( "textures/fxaa_scene.png", function onLoad( texture ) {
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+ scene.add( group );
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+
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+ //
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+
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+ renderer = new THREE.WebGLRenderer();
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+ renderer.autoClear = false;
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ container.appendChild( renderer.domElement );
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+
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+ //
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+
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+ var renderPass = new THREE.RenderPass( scene, camera );
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+
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+ //
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+
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+ fxaaPass = new THREE.ShaderPass( THREE.FXAAShader );
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+ fxaaPass.renderToScreen = true;
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- var image = texture.image;
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- texture.minFilter = THREE.LinearFilter;
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- texture.magFilter = THREE.LinearFilter;
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+ fxaaPass.material.uniforms[ "resolution" ].value.x = 1 / window.innerWidth;
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+ fxaaPass.material.uniforms[ "resolution" ].value.y = 1 / window.innerHeight;
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- var fxaaMaterial = new THREE.ShaderMaterial( THREE.FXAAShader );
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- fxaaMaterial.uniforms[ "tDiffuse" ].value = texture;
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- fxaaMaterial.uniforms[ "resolution" ].value.x = 1 / image.naturalWidth;
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- fxaaMaterial.uniforms[ "resolution" ].value.y = 1 / image.naturalHeight;
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+ composer1 = new THREE.EffectComposer( renderer );
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+ composer1.addPass( renderPass );
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+ composer1.addPass( fxaaPass );
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- var basicMaterial = new THREE.MeshBasicMaterial( { map: texture } );
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+ //
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- var plane = new THREE.PlaneBufferGeometry( 1, 1 );
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+ var copyPass = new THREE.ShaderPass( THREE.CopyShader );
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+ copyPass.renderToScreen = true;
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- var quad1 = new THREE.Mesh( plane, basicMaterial );
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- var quad2 = new THREE.Mesh( plane, fxaaMaterial );
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- var scene1 = new THREE.Scene();
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- var scene2 = new THREE.Scene();
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- scene1.add( quad1 );
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- scene2.add( quad2 );
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+ composer2 = new THREE.EffectComposer( renderer );
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+ composer2.addPass( renderPass );
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+ composer2.addPass( copyPass );
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- var camera = new THREE.OrthographicCamera( - 0.5, 0.5, 0.5, - 0.5, - 0.5, 0.5 );
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+ //
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- var container = document.getElementById( 'container' );
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+ window.addEventListener( 'resize', onWindowResize, false );
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+ }
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+
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+ function onWindowResize() {
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+
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+ camera.aspect = ( window.innerWidth * 0.5 ) / window.innerHeight;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ composer1.setSize( window.innerWidth, window.innerHeight );
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+ composer2.setSize( window.innerWidth, window.innerHeight );
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+
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+ fxaaPass.material.uniforms[ 'resolution' ].value.x = 1 / window.innerWidth;
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+ fxaaPass.material.uniforms[ 'resolution' ].value.y = 1 / window.innerHeight;
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+
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+ }
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+
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+ function animate() {
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+
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+ requestAnimationFrame( animate );
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- var renderer1 = new THREE.WebGLRenderer();
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- renderer1.setPixelRatio( window.devicePixelRatio );
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- renderer1.setSize( image.naturalWidth, image.naturalHeight );
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- container.appendChild( renderer1.domElement );
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+ var halfWidth = window.innerWidth / 2;
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- var renderer2 = new THREE.WebGLRenderer();
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- renderer2.setPixelRatio( window.devicePixelRatio );
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- renderer2.setSize( image.naturalWidth, image.naturalHeight );
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- container.appendChild( renderer2.domElement );
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+ group.rotation.y += clock.getDelta() * 0.1;
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- renderer1.render( scene1, camera );
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- renderer2.render( scene2, camera );
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+ renderer.setViewport( 0, 0, halfWidth, window.innerHeight );
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- } );
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+ composer1.render();
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- } )();
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+ renderer.setViewport( halfWidth, 0, halfWidth, window.innerHeight );
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+
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+ composer2.render();
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+
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+ }
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</script>
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</body>
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Mugen87
