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183 lines
4.8 KiB
183 lines
4.8 KiB
3 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 - unreal bloom</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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#info > * {
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max-width: 650px;
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margin-left: auto;
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margin-right: auto;
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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="container"></div>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - Bloom pass by <a href="http://eduperiment.com" target="_blank" rel="noopener">Prashant Sharma</a> and <a href="https://clara.io" target="_blank" rel="noopener">Ben Houston</a>
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<br/>
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Model: <a href="https://blog.sketchfab.com/art-spotlight-primary-ion-drive/" target="_blank" rel="noopener">Primary Ion Drive</a> by
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<a href="http://mjmurdock.com/" target="_blank" rel="noopener">Mike Murdock</a>, CC Attribution.
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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 { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.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 { UnrealBloomPass } from 'three/addons/postprocessing/UnrealBloomPass.js';
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let camera, stats;
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let composer, renderer, mixer, clock;
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const params = {
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exposure: 1,
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bloomStrength: 1.5,
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bloomThreshold: 0,
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bloomRadius: 0
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};
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init();
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function init() {
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const container = document.getElementById( 'container' );
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stats = new Stats();
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container.appendChild( stats.dom );
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clock = new THREE.Clock();
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.toneMapping = THREE.ReinhardToneMapping;
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container.appendChild( renderer.domElement );
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const scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 100 );
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camera.position.set( - 5, 2.5, - 3.5 );
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scene.add( camera );
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const controls = new OrbitControls( camera, renderer.domElement );
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controls.maxPolarAngle = Math.PI * 0.5;
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controls.minDistance = 1;
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controls.maxDistance = 10;
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scene.add( new THREE.AmbientLight( 0x404040 ) );
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const pointLight = new THREE.PointLight( 0xffffff, 1 );
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camera.add( pointLight );
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const renderScene = new RenderPass( scene, camera );
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const bloomPass = new UnrealBloomPass( new THREE.Vector2( window.innerWidth, window.innerHeight ), 1.5, 0.4, 0.85 );
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bloomPass.threshold = params.bloomThreshold;
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bloomPass.strength = params.bloomStrength;
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bloomPass.radius = params.bloomRadius;
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composer = new EffectComposer( renderer );
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composer.addPass( renderScene );
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composer.addPass( bloomPass );
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new GLTFLoader().load( 'models/gltf/PrimaryIonDrive.glb', function ( gltf ) {
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const model = gltf.scene;
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scene.add( model );
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mixer = new THREE.AnimationMixer( model );
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const clip = gltf.animations[ 0 ];
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mixer.clipAction( clip.optimize() ).play();
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animate();
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} );
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const gui = new GUI();
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gui.add( params, 'exposure', 0.1, 2 ).onChange( function ( value ) {
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renderer.toneMappingExposure = Math.pow( value, 4.0 );
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} );
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gui.add( params, 'bloomThreshold', 0.0, 1.0 ).onChange( function ( value ) {
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bloomPass.threshold = Number( value );
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} );
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gui.add( params, 'bloomStrength', 0.0, 3.0 ).onChange( function ( value ) {
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bloomPass.strength = Number( value );
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} );
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gui.add( params, 'bloomRadius', 0.0, 1.0 ).step( 0.01 ).onChange( function ( value ) {
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bloomPass.radius = Number( value );
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} );
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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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const delta = clock.getDelta();
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mixer.update( delta );
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stats.update();
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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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