183 lines
5.3 KiB
HTML
183 lines
5.3 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js - WebGPU - Selective Lights</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> - WebGPU - Selective Lights<br />
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(Chrome Canary with flag: --enable-unsafe-webgpu)<br />
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<b style="color:red">Left: Red lights</b> - <b>Center: All lights</b> - <b style="color:blue">Right: blue light</b>
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</div>
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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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}
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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 Stats from './jsm/libs/stats.module.js';
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import { OrbitControls } from './jsm/controls/OrbitControls.js';
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import { TeapotGeometry } from './jsm/geometries/TeapotGeometry.js';
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import WebGPURenderer from './jsm/renderers/webgpu/WebGPURenderer.js';
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import WebGPU from './jsm/renderers/webgpu/WebGPU.js';
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import LightsNode from './jsm/renderers/nodes/lights/LightsNode.js';
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let camera, scene, renderer,
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light1, light2, light3, light4,
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stats, controls;
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init().then( animate ).catch( error );
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async function init() {
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if ( WebGPU.isAvailable() === false ) {
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document.body.appendChild( WebGPU.getErrorMessage() );
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throw 'No WebGPU support';
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}
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.z = 70;
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scene = new THREE.Scene();
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const sphere = new THREE.SphereGeometry( 0.5, 16, 8 );
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//lights
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light1 = new THREE.PointLight( 0xff0040, 2, 100 );
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light1.add( new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xff0040 } ) ) );
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scene.add( light1 );
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light2 = new THREE.PointLight( 0x0040ff, 2, 100 );
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light2.add( new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0x0040ff } ) ) );
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scene.add( light2 );
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light3 = new THREE.PointLight( 0x80ff80, 2, 100 );
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light3.add( new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0x80ff80 } ) ) );
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scene.add( light3 );
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light4 = new THREE.PointLight( 0xffaa00, 2, 100 );
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light4.add( new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xffaa00 } ) ) );
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scene.add( light4 );
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//light nodes ( selective lights )
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const allLightsNode = LightsNode.fromLights( [ light1, light2, light3, light4 ] );
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const redLightNode = LightsNode.fromLights( [ light1 ] );
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const blueLightNode = LightsNode.fromLights( [ light2 ] );
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//models
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const geometryTeapot = new TeapotGeometry( 8, 18 );
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const leftObject = new THREE.Mesh( geometryTeapot, new THREE.MeshPhongMaterial( { color: 0x555555 } ) );
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leftObject.material.lightNode = redLightNode;
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leftObject.position.x = - 30;
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scene.add( leftObject );
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const centerObject = new THREE.Mesh( geometryTeapot, new THREE.MeshPhongMaterial( { color: 0x555555 } ) );
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centerObject.material.lightNode = allLightsNode;
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scene.add( centerObject );
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const rightObject = new THREE.Mesh( geometryTeapot, new THREE.MeshPhongMaterial( { color: 0x555555 } ) );
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rightObject.material.lightNode = blueLightNode;
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rightObject.position.x = 30;
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scene.add( rightObject );
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leftObject.material.shininess = centerObject.material.shininess = rightObject.material.shininess = 70;
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leftObject.rotation.y = centerObject.rotation.y = rightObject.rotation.y = Math.PI * - 0.5;
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leftObject.position.y = centerObject.position.y = rightObject.position.y = - 10;
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//renderer
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renderer = new WebGPURenderer();
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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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//controls
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controls = new OrbitControls( camera, renderer.domElement );
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controls.minDistance = 30;
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controls.maxDistance = 150;
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//stats
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stats = new Stats();
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document.body.appendChild( stats.dom );
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window.addEventListener( 'resize', onWindowResize );
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return renderer.init();
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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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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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const time = Date.now() * 0.0005;
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light1.position.x = Math.sin( time * 0.7 ) * 30;
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light1.position.y = Math.cos( time * 0.5 ) * 40;
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light1.position.z = Math.cos( time * 0.3 ) * 30;
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light2.position.x = Math.cos( time * 0.3 ) * 30;
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light2.position.y = Math.sin( time * 0.5 ) * 40;
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light2.position.z = Math.sin( time * 0.7 ) * 30;
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light3.position.x = Math.sin( time * 0.7 ) * 30;
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light3.position.y = Math.cos( time * 0.3 ) * 40;
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light3.position.z = Math.sin( time * 0.5 ) * 30;
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light4.position.x = Math.sin( time * 0.3 ) * 30;
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light4.position.y = Math.cos( time * 0.7 ) * 40;
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light4.position.z = Math.sin( time * 0.5 ) * 30;
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renderer.render( scene, camera );
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}
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function error( error ) {
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console.error( error );
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}
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</script>
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</body>
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</html>
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