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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgpu - lensflares</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> - lensflares<br/>
- textures from <a href="http://www.ro.me" target="_blank" rel="noopener">ro.me</a><br/>
- fly with WASD/RF/QE + mouse
- </div>
- <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 Stats from 'three/addons/libs/stats.module.js';
- import { FlyControls } from 'three/addons/controls/FlyControls.js';
- import { LensflareMesh, LensflareElement } from 'three/addons/objects/LensflareMesh.js';
- let container, stats;
- let camera, scene, renderer;
- let controls;
- const clock = new THREE.Clock();
- init();
- function init() {
- container = document.createElement( 'div' );
- document.body.appendChild( container );
- // camera
- camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 15000 );
- camera.position.z = 250;
- // scene
- scene = new THREE.Scene();
- scene.background = new THREE.Color().setHSL( 0.51, 0.4, 0.01, THREE.SRGBColorSpace );
- scene.fog = new THREE.Fog( scene.background, 3500, 15000 );
- // world
- const s = 250;
- const geometry = new THREE.BoxGeometry( s, s, s );
- const material = new THREE.MeshPhongNodeMaterial( { color: 0xffffff, specular: 0xffffff, shininess: 50 } );
- for ( let i = 0; i < 3000; i ++ ) {
- const mesh = new THREE.Mesh( geometry, material );
- mesh.position.x = 8000 * ( 2.0 * Math.random() - 1.0 );
- mesh.position.y = 8000 * ( 2.0 * Math.random() - 1.0 );
- mesh.position.z = 8000 * ( 2.0 * Math.random() - 1.0 );
- mesh.rotation.x = Math.random() * Math.PI;
- mesh.rotation.y = Math.random() * Math.PI;
- mesh.rotation.z = Math.random() * Math.PI;
- mesh.matrixAutoUpdate = false;
- mesh.updateMatrix();
- scene.add( mesh );
- }
- // lights
- const dirLight = new THREE.DirectionalLight( 0xffffff, 0.15 );
- dirLight.position.set( 0, - 1, 0 ).normalize();
- dirLight.color.setHSL( 0.1, 0.7, 0.5 );
- scene.add( dirLight );
- // lensflares
- const textureLoader = new THREE.TextureLoader();
- const textureFlare0 = textureLoader.load( 'textures/lensflare/lensflare0.png' );
- const textureFlare3 = textureLoader.load( 'textures/lensflare/lensflare3.png' );
- textureFlare0.colorSpace = THREE.SRGBColorSpace;
- textureFlare3.colorSpace = THREE.SRGBColorSpace;
- addLight( 0.55, 0.95, 0.6, 5000, 0, - 1000 );
- addLight( 0.1, 0.85, 0.65, 0, 0, - 1000 );
- addLight( 0.995, 0.5, 0.95, 5000, 5000, - 1000 );
- function addLight( h, s, l, x, y, z ) {
- const light = new THREE.PointLight( 0xffffff, 1.5, 2000, 0 );
- light.color.setHSL( h, s, l );
- light.position.set( x, y, z );
- scene.add( light );
- const lensflare = new LensflareMesh();
- lensflare.addElement( new LensflareElement( textureFlare0, 700, 0, light.color ) );
- lensflare.addElement( new LensflareElement( textureFlare3, 60, 0.6 ) );
- lensflare.addElement( new LensflareElement( textureFlare3, 70, 0.7 ) );
- lensflare.addElement( new LensflareElement( textureFlare3, 120, 0.9 ) );
- lensflare.addElement( new LensflareElement( textureFlare3, 70, 1 ) );
- light.add( lensflare );
- }
- // renderer
- renderer = new THREE.WebGPURenderer( { antialias: false } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- container.appendChild( renderer.domElement );
- //
- controls = new FlyControls( camera, renderer.domElement );
- controls.movementSpeed = 2500;
- controls.domElement = container;
- controls.rollSpeed = Math.PI / 6;
- controls.autoForward = false;
- controls.dragToLook = false;
- // stats
- stats = new Stats();
- container.appendChild( stats.dom );
- // events
- window.addEventListener( 'resize', onWindowResize );
- }
- //
- function onWindowResize() {
- renderer.setSize( window.innerWidth, window.innerHeight );
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- }
- //
- function animate() {
- render();
- stats.update();
- }
- function render() {
- const delta = clock.getDelta();
- controls.update( delta );
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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