162 lines
3.9 KiB
HTML
162 lines
3.9 KiB
HTML
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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 - materials - environment maps</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 environment mapping example<br/>
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Equirectangular Map by <a href="http://gl.ict.usc.edu/Data/HighResProbes/">University of Southern California</a><br/>
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Spherical Map by <a href="http://www.pauldebevec.com/Probes/">Paul Debevec</a>
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</div>
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<script type="module">
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import * as THREE from '../build/three.module.js';
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import { GUI } from './jsm/libs/dat.gui.module.js';
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import { OrbitControls } from './jsm/controls/OrbitControls.js';
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let controls, camera, scene, renderer;
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let textureEquirec, textureCube;
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let sphereMesh, sphereMaterial;
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init();
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animate();
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function init() {
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// CAMERAS
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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 100000 );
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camera.position.set( 0, 0, 1000 );
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// SCENE
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scene = new THREE.Scene();
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// Lights
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const ambient = new THREE.AmbientLight( 0xffffff );
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scene.add( ambient );
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// Textures
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const loader = new THREE.CubeTextureLoader();
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loader.setPath( 'textures/cube/Bridge2/' );
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textureCube = loader.load( [ 'posx.jpg', 'negx.jpg', 'posy.jpg', 'negy.jpg', 'posz.jpg', 'negz.jpg' ] );
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textureCube.encoding = THREE.sRGBEncoding;
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const textureLoader = new THREE.TextureLoader();
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textureEquirec = textureLoader.load( 'textures/2294472375_24a3b8ef46_o.jpg' );
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textureEquirec.mapping = THREE.EquirectangularReflectionMapping;
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textureEquirec.encoding = THREE.sRGBEncoding;
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scene.background = textureCube;
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//
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const geometry = new THREE.IcosahedronGeometry( 400, 15 );
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sphereMaterial = new THREE.MeshLambertMaterial( { envMap: textureCube } );
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sphereMesh = new THREE.Mesh( geometry, sphereMaterial );
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scene.add( sphereMesh );
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//
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.outputEncoding = THREE.sRGBEncoding;
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document.body.appendChild( renderer.domElement );
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//
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controls = new OrbitControls( camera, renderer.domElement );
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controls.minDistance = 500;
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controls.maxDistance = 2500;
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//
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const params = {
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Cube: function () {
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scene.background = textureCube;
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sphereMaterial.envMap = textureCube;
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sphereMaterial.needsUpdate = true;
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},
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Equirectangular: function () {
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scene.background = textureEquirec;
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sphereMaterial.envMap = textureEquirec;
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sphereMaterial.needsUpdate = true;
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},
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Refraction: false
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};
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const gui = new GUI();
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gui.add( params, 'Cube' );
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gui.add( params, 'Equirectangular' );
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gui.add( params, 'Refraction' ).onChange( function ( value ) {
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if ( value ) {
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textureEquirec.mapping = THREE.EquirectangularRefractionMapping;
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textureCube.mapping = THREE.CubeRefractionMapping;
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} else {
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textureEquirec.mapping = THREE.EquirectangularReflectionMapping;
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textureCube.mapping = THREE.CubeReflectionMapping;
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}
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sphereMaterial.needsUpdate = true;
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} );
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gui.open();
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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render();
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}
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function render() {
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camera.lookAt( scene.position );
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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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