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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - materials - dynamic cube reflection</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">
- <style>
- body {
- touch-action: none;
- }
- </style>
- </head>
- <body>
- <div id="info"><a href="https://threejs.org" target="_blank" rel="noopener">three.js webgl</a> - materials - dynamic cube reflection</div>
- <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 { RGBELoader } from 'three/addons/loaders/RGBELoader.js';
- import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
- import Stats from 'three/addons/libs/stats.module.js';
- let camera, scene, renderer, stats;
- let cube, sphere, torus, material;
- let cubeCamera, cubeRenderTarget;
- let controls;
- init();
- function init() {
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- renderer.toneMapping = THREE.ACESFilmicToneMapping;
- document.body.appendChild( renderer.domElement );
- window.addEventListener( 'resize', onWindowResized );
- stats = new Stats();
- document.body.appendChild( stats.dom );
- camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
- camera.position.z = 75;
- scene = new THREE.Scene();
- scene.rotation.y = 0.5; // avoid flying objects occluding the sun
- new RGBELoader()
- .setPath( 'textures/equirectangular/' )
- .load( 'quarry_01_1k.hdr', function ( texture ) {
- texture.mapping = THREE.EquirectangularReflectionMapping;
- scene.background = texture;
- scene.environment = texture;
- } );
- //
- cubeRenderTarget = new THREE.WebGLCubeRenderTarget( 256 );
- cubeRenderTarget.texture.type = THREE.HalfFloatType;
- cubeCamera = new THREE.CubeCamera( 1, 1000, cubeRenderTarget );
- //
- material = new THREE.MeshStandardMaterial( {
- envMap: cubeRenderTarget.texture,
- roughness: 0.05,
- metalness: 1
- } );
- const gui = new GUI();
- gui.add( material, 'roughness', 0, 1 );
- gui.add( material, 'metalness', 0, 1 );
- gui.add( renderer, 'toneMappingExposure', 0, 2 ).name( 'exposure' );
- sphere = new THREE.Mesh( new THREE.IcosahedronGeometry( 15, 8 ), material );
- scene.add( sphere );
- const material2 = new THREE.MeshStandardMaterial( {
- roughness: 0.1,
- metalness: 0
- } );
- cube = new THREE.Mesh( new THREE.BoxGeometry( 15, 15, 15 ), material2 );
- scene.add( cube );
- torus = new THREE.Mesh( new THREE.TorusKnotGeometry( 8, 3, 128, 16 ), material2 );
- scene.add( torus );
- //
- controls = new OrbitControls( camera, renderer.domElement );
- controls.autoRotate = true;
- }
- function onWindowResized() {
- renderer.setSize( window.innerWidth, window.innerHeight );
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- }
- function animate( msTime ) {
- const time = msTime / 1000;
- cube.position.x = Math.cos( time ) * 30;
- cube.position.y = Math.sin( time ) * 30;
- cube.position.z = Math.sin( time ) * 30;
- cube.rotation.x += 0.02;
- cube.rotation.y += 0.03;
- torus.position.x = Math.cos( time + 10 ) * 30;
- torus.position.y = Math.sin( time + 10 ) * 30;
- torus.position.z = Math.sin( time + 10 ) * 30;
- torus.rotation.x += 0.02;
- torus.rotation.y += 0.03;
- cubeCamera.update( renderer, scene );
- controls.update();
- renderer.render( scene, camera );
- stats.update();
- }
- </script>
- </body>
- </html>
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