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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <head>
- <title>three.js webgl - postprocessing - Screen Space Reflection</title>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
- <link type="text/css" rel="stylesheet" href="main.css">
- </head>
- <body>
- <div id="container"></div>
- <div id="info">
- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> -
- SSRPass demo by <a href="https://github.com/gonnavis" target="_blank">Vis</a>.<br />
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import Stats from 'three/addons/libs/stats.module.js';
- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
- import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
- import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
- import { SSRPass } from 'three/addons/postprocessing/SSRPass.js';
- import { OutputPass } from 'three/addons/postprocessing/OutputPass.js';
- import { ReflectorForSSRPass } from 'three/addons/objects/ReflectorForSSRPass.js';
- import { DRACOLoader } from 'three/addons/loaders/DRACOLoader.js';
- const params = {
- enableSSR: true,
- autoRotate: true,
- otherMeshes: true,
- groundReflector: true,
- };
- let composer;
- let ssrPass;
- let gui;
- let stats;
- let controls;
- let camera, scene, renderer;
- const otherMeshes = [];
- let groundReflector;
- const selects = [];
- const container = document.querySelector( '#container' );
- // Configure and create Draco decoder.
- const dracoLoader = new DRACOLoader();
- dracoLoader.setDecoderPath( 'jsm/libs/draco/' );
- dracoLoader.setDecoderConfig( { type: 'js' } );
- init();
- function init() {
- camera = new THREE.PerspectiveCamera( 35, window.innerWidth / window.innerHeight, 0.1, 15 );
- camera.position.set( 0.13271600513224902, 0.3489546826045913, 0.43921296427927076 );
- scene = new THREE.Scene();
- scene.background = new THREE.Color( 0x443333 );
- scene.fog = new THREE.Fog( 0x443333, 1, 4 );
- // Ground
- const plane = new THREE.Mesh(
- new THREE.PlaneGeometry( 8, 8 ),
- new THREE.MeshPhongMaterial( { color: 0xcbcbcb } )
- );
- plane.rotation.x = - Math.PI / 2;
- plane.position.y = - 0.0001;
- // plane.receiveShadow = true;
- scene.add( plane );
- // Lights
- const hemiLight = new THREE.HemisphereLight( 0x8d7c7c, 0x494966, 3 );
- scene.add( hemiLight );
- const spotLight = new THREE.SpotLight();
- spotLight.intensity = 8;
- spotLight.angle = Math.PI / 16;
- spotLight.penumbra = 0.5;
- // spotLight.castShadow = true;
- spotLight.position.set( - 1, 1, 1 );
- scene.add( spotLight );
- dracoLoader.load( 'models/draco/bunny.drc', function ( geometry ) {
- geometry.computeVertexNormals();
- const material = new THREE.MeshStandardMaterial( { color: 0xa5a5a5 } );
- const mesh = new THREE.Mesh( geometry, material );
- mesh.position.y = - 0.0365;
- scene.add( mesh );
- selects.push( mesh );
- // Release decoder resources.
- dracoLoader.dispose();
- } );
- let geometry, material, mesh;
- geometry = new THREE.BoxGeometry( .05, .05, .05 );
- material = new THREE.MeshStandardMaterial( { color: 'green' } );
- mesh = new THREE.Mesh( geometry, material );
- mesh.position.set( - .12, .025, .015 );
- scene.add( mesh );
- otherMeshes.push( mesh );
- selects.push( mesh );
- geometry = new THREE.IcosahedronGeometry( .025, 4 );
- material = new THREE.MeshStandardMaterial( { color: 'cyan' } );
- mesh = new THREE.Mesh( geometry, material );
- mesh.position.set( - .05, .025, .08 );
- scene.add( mesh );
- otherMeshes.push( mesh );
- selects.push( mesh );
- geometry = new THREE.ConeGeometry( .025, .05, 64 );
- material = new THREE.MeshStandardMaterial( { color: 'yellow' } );
- mesh = new THREE.Mesh( geometry, material );
- mesh.position.set( - .05, .025, - .055 );
- scene.add( mesh );
- otherMeshes.push( mesh );
- selects.push( mesh );
- geometry = new THREE.PlaneGeometry( 1, 1 );
- groundReflector = new ReflectorForSSRPass( geometry, {
- clipBias: 0.0003,
- textureWidth: window.innerWidth,
- textureHeight: window.innerHeight,
- color: 0x888888,
- useDepthTexture: true,
- } );
- groundReflector.material.depthWrite = false;
- groundReflector.rotation.x = - Math.PI / 2;
- groundReflector.visible = false;
- scene.add( groundReflector );
- // renderer
- renderer = new THREE.WebGLRenderer( { antialias: false } );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- container.appendChild( renderer.domElement );
- //
- controls = new OrbitControls( camera, renderer.domElement );
- controls.enableDamping = true;
- controls.target.set( 0, 0.0635, 0 );
- controls.update();
- controls.enabled = ! params.autoRotate;
- // STATS
- stats = new Stats();
- container.appendChild( stats.dom );
- window.addEventListener( 'resize', onWindowResize );
- // composer
- composer = new EffectComposer( renderer );
- ssrPass = new SSRPass( {
- renderer,
- scene,
- camera,
- width: innerWidth,
- height: innerHeight,
- groundReflector: params.groundReflector ? groundReflector : null,
- selects: params.groundReflector ? selects : null
- } );
- composer.addPass( ssrPass );
- composer.addPass( new OutputPass() );
- // GUI
- gui = new GUI( { width: 260 } );
- gui.add( params, 'enableSSR' ).name( 'Enable SSR' );
- gui.add( params, 'groundReflector' ).onChange( () => {
- if ( params.groundReflector ) {
- ssrPass.groundReflector = groundReflector,
- ssrPass.selects = selects;
- } else {
- ssrPass.groundReflector = null,
- ssrPass.selects = null;
- }
- } );
- ssrPass.thickness = 0.018;
- gui.add( ssrPass, 'thickness' ).min( 0 ).max( .1 ).step( .0001 );
- ssrPass.infiniteThick = false;
- gui.add( ssrPass, 'infiniteThick' );
- gui.add( params, 'autoRotate' ).onChange( () => {
- controls.enabled = ! params.autoRotate;
- } );
- const folder = gui.addFolder( 'more settings' );
- folder.add( ssrPass, 'fresnel' ).onChange( ()=>{
- groundReflector.fresnel = ssrPass.fresnel;
- } );
- folder.add( ssrPass, 'distanceAttenuation' ).onChange( ()=>{
- groundReflector.distanceAttenuation = ssrPass.distanceAttenuation;
- } );
- ssrPass.maxDistance = .1;
- groundReflector.maxDistance = ssrPass.maxDistance;
- folder.add( ssrPass, 'maxDistance' ).min( 0 ).max( .5 ).step( .001 ).onChange( ()=>{
- groundReflector.maxDistance = ssrPass.maxDistance;
- } );
- folder.add( params, 'otherMeshes' ).onChange( () => {
- if ( params.otherMeshes ) {
- otherMeshes.forEach( mesh => mesh.visible = true );
- } else {
- otherMeshes.forEach( mesh => mesh.visible = false );
- }
- } );
- folder.add( ssrPass, 'bouncing' );
- folder.add( ssrPass, 'output', {
- 'Default': SSRPass.OUTPUT.Default,
- 'SSR Only': SSRPass.OUTPUT.SSR,
- 'Beauty': SSRPass.OUTPUT.Beauty,
- 'Depth': SSRPass.OUTPUT.Depth,
- 'Normal': SSRPass.OUTPUT.Normal,
- 'Metalness': SSRPass.OUTPUT.Metalness,
- } ).onChange( function ( value ) {
- ssrPass.output = value;
- } );
- ssrPass.opacity = 1;
- groundReflector.opacity = ssrPass.opacity;
- folder.add( ssrPass, 'opacity' ).min( 0 ).max( 1 ).onChange( ()=>{
- groundReflector.opacity = ssrPass.opacity;
- } );
- folder.add( ssrPass, 'blur' );
- // folder.open()
- // gui.close()
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- composer.setSize( window.innerWidth, window.innerHeight );
- groundReflector.getRenderTarget().setSize( window.innerWidth, window.innerHeight );
- groundReflector.resolution.set( window.innerWidth, window.innerHeight );
- }
- function animate() {
- stats.begin();
- render();
- stats.end();
- }
- function render() {
- if ( params.autoRotate ) {
- const timer = Date.now() * 0.0003;
- camera.position.x = Math.sin( timer ) * 0.5;
- camera.position.y = 0.2135;
- camera.position.z = Math.cos( timer ) * 0.5;
- camera.lookAt( 0, 0.0635, 0 );
- } else {
- controls.update();
- }
- if ( params.enableSSR ) {
- // TODO: groundReflector has full ground info, need use it to solve reflection gaps problem on objects when camera near ground.
- // TODO: the normal and depth info where groundReflector reflected need to be changed.
- composer.render();
- } else {
- renderer.render( scene, camera );
- }
- }
- </script>
- </body>
- </html>
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