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163 lines
4.1 KiB
163 lines
4.1 KiB
2 years ago
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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 - Screen Space Ambient Occlusion</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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<link type="text/css" rel="stylesheet" href="main.css">
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<style>
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body {
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background-color: #aaa;
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}
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</style>
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</head>
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<body>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - screen space ambient occlusion<br/>
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import Stats from 'three/addons/libs/stats.module.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
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import { SSAOPass } from 'three/addons/postprocessing/SSAOPass.js';
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let container, stats;
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let camera, scene, renderer;
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let composer;
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let 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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renderer = new THREE.WebGLRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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camera = new THREE.PerspectiveCamera( 65, window.innerWidth / window.innerHeight, 100, 700 );
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camera.position.z = 500;
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0xaaaaaa );
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scene.add( new THREE.DirectionalLight() );
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scene.add( new THREE.HemisphereLight() );
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group = new THREE.Group();
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scene.add( group );
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const geometry = new THREE.BoxGeometry( 10, 10, 10 );
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for ( let i = 0; i < 100; i ++ ) {
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const material = new THREE.MeshLambertMaterial( {
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color: Math.random() * 0xffffff
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} );
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const mesh = new THREE.Mesh( geometry, material );
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mesh.position.x = Math.random() * 400 - 200;
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mesh.position.y = Math.random() * 400 - 200;
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mesh.position.z = Math.random() * 400 - 200;
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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.setScalar( Math.random() * 10 + 2 );
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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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const width = window.innerWidth;
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const height = window.innerHeight;
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composer = new EffectComposer( renderer );
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const ssaoPass = new SSAOPass( scene, camera, width, height );
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ssaoPass.kernelRadius = 16;
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composer.addPass( ssaoPass );
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// Init gui
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const gui = new GUI();
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gui.add( ssaoPass, 'output', {
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'Default': SSAOPass.OUTPUT.Default,
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'SSAO Only': SSAOPass.OUTPUT.SSAO,
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'SSAO Only + Blur': SSAOPass.OUTPUT.Blur,
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'Beauty': SSAOPass.OUTPUT.Beauty,
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'Depth': SSAOPass.OUTPUT.Depth,
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'Normal': SSAOPass.OUTPUT.Normal
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} ).onChange( function ( value ) {
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ssaoPass.output = parseInt( value );
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} );
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gui.add( ssaoPass, 'kernelRadius' ).min( 0 ).max( 32 );
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gui.add( ssaoPass, 'minDistance' ).min( 0.001 ).max( 0.02 );
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gui.add( ssaoPass, 'maxDistance' ).min( 0.01 ).max( 0.3 );
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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const width = window.innerWidth;
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const height = window.innerHeight;
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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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const 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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