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208 lines
7.0 KiB
HTML
208 lines
7.0 KiB
HTML
2 months 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 - GTAO</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: #ffffff;
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color: #000;
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}
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a {
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color: #2983ff;
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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> - Ground Truth Ambient Occlusion (GTAO) by <a href="https://github.com/Rabbid76" target="_blank" rel="noopener">Rabbid76</a><br/>
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</div>
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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 { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { RoomEnvironment } from 'three/addons/environments/RoomEnvironment.js';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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import { DRACOLoader } from 'three/addons/loaders/DRACOLoader.js';
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import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
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import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
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import { GTAOPass } from 'three/addons/postprocessing/GTAOPass.js';
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import { OutputPass } from 'three/addons/postprocessing/OutputPass.js';
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let camera, scene, renderer, composer, controls, clock, stats, mixer;
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init();
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function init() {
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const dracoLoader = new DRACOLoader();
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dracoLoader.setDecoderPath( 'jsm/libs/draco/' );
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dracoLoader.setDecoderConfig( { type: 'js' } );
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const loader = new GLTFLoader();
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loader.setDRACOLoader( dracoLoader );
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loader.setPath( 'models/gltf/' );
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clock = new THREE.Clock();
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const container = document.createElement( 'div' );
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document.body.appendChild( container );
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stats = new Stats();
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container.appendChild( stats.dom );
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renderer = new THREE.WebGLRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.setAnimationLoop( animate );
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document.body.appendChild( renderer.domElement );
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const pmremGenerator = new THREE.PMREMGenerator( renderer );
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0xbfe3dd );
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scene.environment = pmremGenerator.fromScene( new RoomEnvironment(), 0.04 ).texture;
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camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 100 );
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camera.position.set( 5, 2, 8 );
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controls = new OrbitControls( camera, renderer.domElement );
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controls.target.set( 0, 0.5, 0 );
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controls.update();
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controls.enablePan = false;
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controls.enableDamping = true;
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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 renderPass = new RenderPass( scene, camera );
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composer.addPass( renderPass );
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const gtaoPass = new GTAOPass( scene, camera, width, height );
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gtaoPass.output = GTAOPass.OUTPUT.Denoise;
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composer.addPass( gtaoPass );
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const outputPass = new OutputPass();
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composer.addPass( outputPass );
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//
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loader.load( 'LittlestTokyo.glb', ( gltf ) => {
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const model = gltf.scene;
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model.position.set( 1, 1, 0 );
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model.scale.set( 0.01, 0.01, 0.01 );
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scene.add( model );
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mixer = new THREE.AnimationMixer( model );
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mixer.clipAction( gltf.animations[ 0 ] ).play();
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const box = new THREE.Box3().setFromObject( scene );
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gtaoPass.setSceneClipBox( box );
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}, undefined, ( e ) => console.error( e ) );
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// Init gui
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const gui = new GUI();
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gui.add( gtaoPass, 'output', {
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'Default': GTAOPass.OUTPUT.Default,
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'Diffuse': GTAOPass.OUTPUT.Diffuse,
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'AO Only': GTAOPass.OUTPUT.AO,
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'AO Only + Denoise': GTAOPass.OUTPUT.Denoise,
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'Depth': GTAOPass.OUTPUT.Depth,
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'Normal': GTAOPass.OUTPUT.Normal
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} ).onChange( function ( value ) {
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gtaoPass.output = value;
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} );
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const aoParameters = {
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radius: 0.25,
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distanceExponent: 1.,
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thickness: 1.,
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scale: 1.,
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samples: 16,
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distanceFallOff: 1.,
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screenSpaceRadius: false,
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};
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const pdParameters = {
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lumaPhi: 10.,
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depthPhi: 2.,
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normalPhi: 3.,
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radius: 4.,
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radiusExponent: 1.,
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rings: 2.,
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samples: 16,
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};
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gtaoPass.updateGtaoMaterial( aoParameters );
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gtaoPass.updatePdMaterial( pdParameters );
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gui.add( gtaoPass, 'blendIntensity' ).min( 0 ).max( 1 ).step( 0.01 );
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gui.add( aoParameters, 'radius' ).min( 0.01 ).max( 1 ).step( 0.01 ).onChange( () => gtaoPass.updateGtaoMaterial( aoParameters ) );
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gui.add( aoParameters, 'distanceExponent' ).min( 1 ).max( 4 ).step( 0.01 ).onChange( () => gtaoPass.updateGtaoMaterial( aoParameters ) );
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gui.add( aoParameters, 'thickness' ).min( 0.01 ).max( 10 ).step( 0.01 ).onChange( () => gtaoPass.updateGtaoMaterial( aoParameters ) );
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gui.add( aoParameters, 'distanceFallOff' ).min( 0 ).max( 1 ).step( 0.01 ).onChange( () => gtaoPass.updateGtaoMaterial( aoParameters ) );
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gui.add( aoParameters, 'scale' ).min( 0.01 ).max( 2.0 ).step( 0.01 ).onChange( () => gtaoPass.updateGtaoMaterial( aoParameters ) );
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gui.add( aoParameters, 'samples' ).min( 2 ).max( 32 ).step( 1 ).onChange( () => gtaoPass.updateGtaoMaterial( aoParameters ) );
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gui.add( aoParameters, 'screenSpaceRadius' ).onChange( () => gtaoPass.updateGtaoMaterial( aoParameters ) );
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gui.add( pdParameters, 'lumaPhi' ).min( 0 ).max( 20 ).step( 0.01 ).onChange( () => gtaoPass.updatePdMaterial( pdParameters ) );
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gui.add( pdParameters, 'depthPhi' ).min( 0.01 ).max( 20 ).step( 0.01 ).onChange( () => gtaoPass.updatePdMaterial( pdParameters ) );
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gui.add( pdParameters, 'normalPhi' ).min( 0.01 ).max( 20 ).step( 0.01 ).onChange( () => gtaoPass.updatePdMaterial( pdParameters ) );
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gui.add( pdParameters, 'radius' ).min( 0 ).max( 32 ).step( 1 ).onChange( () => gtaoPass.updatePdMaterial( pdParameters ) );
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gui.add( pdParameters, 'radiusExponent' ).min( 0.1 ).max( 4. ).step( 0.1 ).onChange( () => gtaoPass.updatePdMaterial( pdParameters ) );
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gui.add( pdParameters, 'rings' ).min( 1 ).max( 16 ).step( 0.125 ).onChange( () => gtaoPass.updatePdMaterial( pdParameters ) );
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gui.add( pdParameters, 'samples' ).min( 2 ).max( 32 ).step( 1 ).onChange( () => gtaoPass.updatePdMaterial( pdParameters ) );
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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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const delta = clock.getDelta();
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if ( mixer ) {
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mixer.update( delta );
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}
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controls.update();
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stats.begin();
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composer.render();
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stats.end();
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}
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</script>
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</body>
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</html>
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