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164 lines
3.7 KiB
164 lines
3.7 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 white furnace test</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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</head>
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<body>
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<div id="container">
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> -
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<a href="https://google.github.io/filament/Filament.md.html#toc4.7.2" target="_blank" rel="noopener">White Furnace</a> energy conservation test by <a href="https://jsantell.com/" target="_blank" rel="noopener">Jordan Santell</a>
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<br>Roughness increases left to right
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<br>Metalness increases top to bottom
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</div>
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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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let scene, camera, renderer, radianceMap;
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const COLOR = 0xcccccc;
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function init() {
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const width = window.innerWidth;
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const height = window.innerHeight;
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const aspect = width / height;
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// renderer
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setSize( width, height );
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renderer.setPixelRatio( window.devicePixelRatio );
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document.body.appendChild( renderer.domElement );
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//renderer.outputEncoding = THREE.sRGBEncoding; // optional
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window.addEventListener( 'resize', onWindowResize );
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document.body.addEventListener( 'mouseover', function () {
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scene.traverse( function ( child ) {
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if ( child.isMesh ) child.material.color.setHex( 0xffffff );
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} );
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render();
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} );
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document.body.addEventListener( 'mouseout', function () {
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scene.traverse( function ( child ) {
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if ( child.isMesh ) child.material.color.setHex( 0xccccff ); // tinted for visibility
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} );
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render();
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} );
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// scene
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scene = new THREE.Scene();
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// camera
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camera = new THREE.PerspectiveCamera( 40, aspect, 1, 30 );
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camera.position.set( 0, 0, 18 );
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}
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function createObjects() {
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const geometry = new THREE.SphereGeometry( 0.4, 32, 16 );
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for ( let x = 0; x <= 10; x ++ ) {
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for ( let y = 0; y <= 10; y ++ ) {
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const material = new THREE.MeshPhysicalMaterial( {
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roughness: x / 10,
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metalness: y / 10,
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color: 0xffffff,
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envMap: radianceMap,
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envMapIntensity: 1,
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transmission: 0,
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ior: 1.5
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} );
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const mesh = new THREE.Mesh( geometry, material );
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mesh.position.x = x - 5;
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mesh.position.y = 5 - y;
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scene.add( mesh );
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}
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}
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}
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function createEnvironment() {
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const envScene = new THREE.Scene();
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envScene.background = new THREE.Color( COLOR );
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if ( renderer.outputEncoding === THREE.sRGBEncoding ) envScene.background.convertSRGBToLinear();
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const pmremGenerator = new THREE.PMREMGenerator( renderer );
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radianceMap = pmremGenerator.fromScene( envScene ).texture;
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pmremGenerator.dispose();
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scene.background = envScene.background;
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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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render();
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}
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function render() {
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renderer.render( scene, camera );
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}
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Promise.resolve()
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.then( init )
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.then( createEnvironment )
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.then( createObjects )
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.then( render );
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</script>
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</body>
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</html>
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