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185 lines
5.6 KiB
HTML
185 lines
5.6 KiB
HTML
2 months ago
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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 webgpu - postprocessing lensflares</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 - postprocessing lensflares<br />
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<a href="https://skfb.ly/6SqUF" target="_blank" rel="noopener">Space Ship Hallway</a> by
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<a href="https://sketchfab.com/yeeyeeman" target="_blank" rel="noopener">yeeyeeman</a> is licensed under <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="noopener">Creative Commons Attribution</a>.<br />
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<a href="https://www.spacespheremaps.com/planetary-spheremaps/" target="_blank" rel="noopener">Ice Planet Close</a> from <a href="https://www.spacespheremaps.com/" target="_blank" rel="noopener">Space Spheremaps</a>.
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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.webgpu.js",
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"three/webgpu": "../build/three.webgpu.js",
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"three/tsl": "../build/three.tsl.js",
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"three/addons/": "./jsm/"
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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 { pass, mrt, output, emissive, uniform } from 'three/tsl';
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import { bloom } from 'three/addons/tsl/display/BloomNode.js';
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import { lensflare } from 'three/addons/tsl/display/LensflareNode.js';
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import { gaussianBlur } from 'three/addons/tsl/display/GaussianBlurNode.js';
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import { UltraHDRLoader } from 'three/addons/loaders/UltraHDRLoader.js';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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import Stats from 'three/addons/libs/stats.module.js';
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let camera, scene, renderer, controls, stats;
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let postProcessing;
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init();
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async function init() {
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const container = document.createElement( 'div' );
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document.body.appendChild( container );
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//
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camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 100 );
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camera.position.set( 0, 0.5, - 0.5 );
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scene = new THREE.Scene();
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const texture = await new UltraHDRLoader().loadAsync( 'textures/equirectangular/ice_planet_close.jpg' );
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texture.mapping = THREE.EquirectangularReflectionMapping;
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scene.background = texture;
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scene.environment = texture;
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scene.backgroundIntensity = 2;
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scene.environmentIntensity = 15;
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// model
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const loader = new GLTFLoader();
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const gltf = await loader.loadAsync( 'models/gltf/space_ship_hallway.glb' );
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const object = gltf.scene;
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const aabb = new THREE.Box3().setFromObject( object );
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const center = aabb.getCenter( new THREE.Vector3() );
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object.position.x += ( object.position.x - center.x );
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object.position.y += ( object.position.y - center.y );
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object.position.z += ( object.position.z - center.z );
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scene.add( object );
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//
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renderer = new THREE.WebGPURenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.setAnimationLoop( render );
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renderer.toneMapping = THREE.ACESFilmicToneMapping;
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container.appendChild( renderer.domElement );
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//
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const scenePass = pass( scene, camera );
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scenePass.setMRT( mrt( {
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output,
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emissive
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} ) );
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const outputPass = scenePass.getTextureNode();
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const emissivePass = scenePass.getTextureNode( 'emissive' );
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const bloomPass = bloom( emissivePass, 1, 1 );
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const threshold = uniform( 0.5 );
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const ghostAttenuationFactor = uniform( 25 );
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const ghostSpacing = uniform( 0.25 );
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const flarePass = lensflare( bloomPass, {
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threshold,
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ghostAttenuationFactor,
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ghostSpacing
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} );
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const blurPass = gaussianBlur( flarePass, 8 ); // optional (blurring produces better flare quality but also adds some overhead)
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postProcessing = new THREE.PostProcessing( renderer );
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postProcessing.outputNode = outputPass.add( bloomPass ).add( blurPass );
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//
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controls = new OrbitControls( camera, renderer.domElement );
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controls.enableDamping = true;
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controls.enablePan = false;
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controls.enableZoom = false;
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controls.target.copy( camera.position );
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controls.target.z -= 0.01;
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controls.update();
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window.addEventListener( 'resize', onWindowResize );
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//
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stats = new Stats();
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document.body.appendChild( stats.dom );
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//
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const gui = new GUI();
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const bloomFolder = gui.addFolder( 'bloom' );
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bloomFolder.add( bloomPass.strength, 'value', 0.0, 2.0 ).name( 'strength' );
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bloomFolder.add( bloomPass.radius, 'value', 0.0, 1.0 ).name( 'radius' );
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const lensflareFolder = gui.addFolder( 'lensflare' );
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lensflareFolder.add( threshold, 'value', 0.0, 1.0 ).name( 'threshold' );
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lensflareFolder.add( ghostAttenuationFactor, 'value', 10.0, 50.0 ).name( 'attenuation' );
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lensflareFolder.add( ghostSpacing, 'value', 0.0, 0.3 ).name( 'spacing' );
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const toneMappingFolder = gui.addFolder( 'tone mapping' );
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toneMappingFolder.add( renderer, 'toneMappingExposure', 0.1, 2 ).name( 'exposure' );
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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 render() {
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stats.update();
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controls.update();
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postProcessing.render();
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}
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</script>
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</body>
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</html>
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