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webgl_lightprobe_cubecamera.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - light probe from cubeCamera</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="info">
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - light probe from cubeCamera
</div>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"three": "../build/three.module.js",
"three/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { LightProbeHelper } from 'three/addons/helpers/LightProbeHelper.js';
import { LightProbeGenerator } from 'three/addons/lights/LightProbeGenerator.js';
let renderer, scene, camera, cubeCamera;
let lightProbe;
init();
function init() {
// renderer
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
renderer.outputEncoding = THREE.sRGBEncoding;
// scene
scene = new THREE.Scene();
// camera
camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.set( 0, 0, 30 );
const cubeRenderTarget = new THREE.WebGLCubeRenderTarget( 256 );
cubeCamera = new THREE.CubeCamera( 1, 1000, cubeRenderTarget );
// controls
const controls = new OrbitControls( camera, renderer.domElement );
controls.addEventListener( 'change', render );
controls.minDistance = 10;
controls.maxDistance = 50;
controls.enablePan = false;
// probe
lightProbe = new THREE.LightProbe();
scene.add( lightProbe );
// envmap
const genCubeUrls = function ( prefix, postfix ) {
return [
prefix + 'px' + postfix, prefix + 'nx' + postfix,
prefix + 'py' + postfix, prefix + 'ny' + postfix,
prefix + 'pz' + postfix, prefix + 'nz' + postfix
];
};
const urls = genCubeUrls( 'textures/cube/pisa/', '.png' );
new THREE.CubeTextureLoader().load( urls, function ( cubeTexture ) {
cubeTexture.encoding = THREE.sRGBEncoding;
scene.background = cubeTexture;
cubeCamera.update( renderer, scene );
lightProbe.copy( LightProbeGenerator.fromCubeRenderTarget( renderer, cubeRenderTarget ) );
scene.add( new LightProbeHelper( lightProbe, 5 ) );
render();
} );
// listener
window.addEventListener( 'resize', onWindowResize );
}
function onWindowResize() {
renderer.setSize( window.innerWidth, window.innerHeight );
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
render();
}
function render() {
renderer.render( scene, camera );
}
</script>
</body>
</html>