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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgpu - material - basic</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>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.webgpu.js",
- "three/tsl": "../build/three.webgpu.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
- let camera, scene, renderer;
- const spheres = [];
- let mouseX = 0;
- let mouseY = 0;
- let windowHalfX = window.innerWidth / 2;
- let windowHalfY = window.innerHeight / 2;
- const params = {
- color: '#ffffff',
- mapping: THREE.CubeReflectionMapping,
- refractionRatio: 0.98,
- transparent: false,
- opacity: 1
- };
- const mappings = { ReflectionMapping: THREE.CubeReflectionMapping, RefractionMapping: THREE.CubeRefractionMapping };
- document.addEventListener( 'mousemove', onDocumentMouseMove );
- init();
- function init() {
- camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.01, 100 );
- camera.position.z = 3;
- const path = './textures/cube/pisa/';
- const format = '.png';
- const urls = [
- path + 'px' + format, path + 'nx' + format,
- path + 'py' + format, path + 'ny' + format,
- path + 'pz' + format, path + 'nz' + format
- ];
- const textureCube = new THREE.CubeTextureLoader().load( urls );
- scene = new THREE.Scene();
- scene.background = textureCube;
- const geometry = new THREE.SphereGeometry( 0.1, 32, 16 );
- const material = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube } );
- for ( let i = 0; i < 500; i ++ ) {
- const mesh = new THREE.Mesh( geometry, material );
- mesh.position.x = Math.random() * 10 - 5;
- mesh.position.y = Math.random() * 10 - 5;
- mesh.position.z = Math.random() * 10 - 5;
- mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 3 + 1;
- scene.add( mesh );
- spheres.push( mesh );
- }
- //
- renderer = new THREE.WebGPURenderer();
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- document.body.appendChild( renderer.domElement );
- //
- const gui = new GUI( { width: 300 } );
- gui.addColor( params, 'color' ).onChange( ( value ) => material.color.set( value ) );
- gui.add( params, 'mapping', mappings ).onChange( ( value ) => {
- textureCube.mapping = value;
- material.needsUpdate = true;
-
- } );
- gui.add( params, 'refractionRatio' ).min( 0.0 ).max( 1.0 ).step( 0.01 ).onChange( ( value ) => material.refractionRatio = value );
- gui.add( params, 'transparent' ).onChange( ( value ) => {
-
- material.transparent = value;
- material.needsUpdate = true;
- } );
- gui.add( params, 'opacity' ).min( 0.0 ).max( 1.0 ).step( 0.01 ).onChange( ( value ) => material.opacity = value );
- gui.open();
- //
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- windowHalfX = window.innerWidth / 2;
- windowHalfY = window.innerHeight / 2;
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- function onDocumentMouseMove( event ) {
- mouseX = ( event.clientX - windowHalfX ) / 100;
- mouseY = ( event.clientY - windowHalfY ) / 100;
- }
- //
- function animate() {
- const timer = 0.0001 * Date.now();
- camera.position.x += ( mouseX - camera.position.x ) * .05;
- camera.position.y += ( - mouseY - camera.position.y ) * .05;
- camera.lookAt( scene.position );
- for ( let i = 0, il = spheres.length; i < il; i ++ ) {
- const sphere = spheres[ i ];
- sphere.position.x = 5 * Math.cos( timer + i );
- sphere.position.y = 5 * Math.sin( timer + i * 1.1 );
- }
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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