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128 lines
3.2 KiB
128 lines
3.2 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 - light probe from cubeCamera</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="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - light probe from cubeCamera
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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 { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { LightProbeHelper } from 'three/addons/helpers/LightProbeHelper.js';
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import { LightProbeGenerator } from 'three/addons/lights/LightProbeGenerator.js';
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let renderer, scene, camera, cubeCamera;
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let lightProbe;
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init();
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function init() {
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// renderer
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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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document.body.appendChild( renderer.domElement );
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renderer.outputEncoding = THREE.sRGBEncoding;
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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, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.set( 0, 0, 30 );
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const cubeRenderTarget = new THREE.WebGLCubeRenderTarget( 256 );
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cubeCamera = new THREE.CubeCamera( 1, 1000, cubeRenderTarget );
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// controls
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const controls = new OrbitControls( camera, renderer.domElement );
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controls.addEventListener( 'change', render );
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controls.minDistance = 10;
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controls.maxDistance = 50;
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controls.enablePan = false;
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// probe
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lightProbe = new THREE.LightProbe();
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scene.add( lightProbe );
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// envmap
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const genCubeUrls = function ( prefix, postfix ) {
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return [
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prefix + 'px' + postfix, prefix + 'nx' + postfix,
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prefix + 'py' + postfix, prefix + 'ny' + postfix,
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prefix + 'pz' + postfix, prefix + 'nz' + postfix
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];
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};
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const urls = genCubeUrls( 'textures/cube/pisa/', '.png' );
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new THREE.CubeTextureLoader().load( urls, function ( cubeTexture ) {
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cubeTexture.encoding = THREE.sRGBEncoding;
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scene.background = cubeTexture;
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cubeCamera.update( renderer, scene );
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lightProbe.copy( LightProbeGenerator.fromCubeRenderTarget( renderer, cubeRenderTarget ) );
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scene.add( new LightProbeHelper( lightProbe, 5 ) );
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render();
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} );
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// listener
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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renderer.setSize( window.innerWidth, window.innerHeight );
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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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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</script>
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</body>
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</html>
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