samien
/
three.js
mirror of https://github.com/mrdoob/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgpu - bloom emissive</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<meta property="og:title" content="three.js webgpu - bloom emissive">
		<meta property="og:type" content="website">
		<meta property="og:url" content="https://threejs.org/examples/webgpu_postprocessing_bloom_emissive.html">
		<meta property="og:image" content="https://threejs.org/examples/screenshots/webgpu_postprocessing_bloom_emissive.jpg">
		<link type="text/css" rel="stylesheet" href="example.css">
	</head>
	<body>

		<div id="info">
			<a href="https://threejs.org/" target="_blank" rel="noopener" class="logo-link"></a>

			<div class="title-wrapper">
				<a href="https://threejs.org/" target="_blank" rel="noopener">three.js</a><span>Emissive Bloom</span>
			</div>

			<small>Selective Bloom based on the "emissive" material property.</small>
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.webgpu.js",
					"three/webgpu": "../build/three.webgpu.js",
					"three/tsl": "../build/three.tsl.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three/webgpu';
			import { pass, mrt, output, emissive, vec4, uniform } from 'three/tsl';
			import { bloom } from 'three/addons/tsl/display/BloomNode.js';
			import { dualKawaseBloom } from 'three/addons/tsl/display/DualKawaseBloomNode.js';

			import { HDRLoader } from 'three/addons/loaders/HDRLoader.js';

			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
			import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';

			import { Inspector } from 'three/addons/inspector/Inspector.js';

			let camera, scene, renderer;
			let renderPipeline;

			init();

			function init() {

				const container = document.createElement( 'div' );
				document.body.appendChild( container );

				//

				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
				camera.position.set( - 1.8, 0.6, 2.7 );

				scene = new THREE.Scene();

				new HDRLoader()
					.setPath( 'textures/equirectangular/' )
					.load( 'moonless_golf_1k.hdr', function ( texture ) {

						texture.mapping = THREE.EquirectangularReflectionMapping;

						scene.background = texture;
						scene.environment = texture;

						// model

						const loader = new GLTFLoader().setPath( 'models/gltf/DamagedHelmet/glTF/' );
						loader.load( 'DamagedHelmet.gltf', function ( gltf ) {

							scene.add( gltf.scene );

						} );

					} );

				//

				renderer = new THREE.WebGPURenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( render );
				renderer.toneMapping = THREE.ACESFilmicToneMapping;
				renderer.inspector = new Inspector();
				container.appendChild( renderer.domElement );

				//

				const scenePass = pass( scene, camera );

				// set up MRT with emissive

				const mrtNode = mrt( {
					output: output,
					emissive: vec4( emissive, output.a )
				} );

				mrtNode.setBlendMode( 'emissive', new THREE.BlendMode( THREE.NormalBlending ) );

				scenePass.setMRT( mrtNode );

				// optimize the bandwidth

				const emissiveTexture = scenePass.getTexture( 'emissive' );
				emissiveTexture.type = THREE.UnsignedByteType;

				//

				const outputPass = scenePass.getTextureNode().toInspector( 'Color' );
				const emissivePass = scenePass.getTextureNode( 'emissive' ).toInspector( 'Emissive' );

				const params = { type: 'Gaussian' };

				const strength = uniform( 2.5 );
				const radius = uniform( 0.5 );

				const bloomPasses = {
					'Gaussian': bloom( emissivePass, strength, radius ),
					'Dual Kawase': dualKawaseBloom( emissivePass, strength, radius )
				};

				renderPipeline = new THREE.RenderPipeline( renderer );

				function updateBloom() {

					renderPipeline.outputNode = outputPass.add( bloomPasses[ params.type ] );
					renderPipeline.needsUpdate = true;

				}

				updateBloom();

				//

				const controls = new OrbitControls( camera, renderer.domElement );
				controls.minDistance = 2;
				controls.maxDistance = 10;
				controls.target.set( 0, 0, - 0.2 );
				controls.update();

				window.addEventListener( 'resize', onWindowResize );

				//

				const gui = renderer.inspector.createParameters( 'Settings' );

				const bloomFolder = gui.addFolder( 'Bloom' );
				bloomFolder.add( params, 'type', [ 'Gaussian', 'Dual Kawase' ] ).onChange( updateBloom );
				bloomFolder.add( strength, 'value', 0.0, 5.0 ).name( 'strength' );
				bloomFolder.add( radius, 'value', 0.0, 1.0 ).name( 'radius' );

				const toneMappingFolder = gui.addFolder( 'Tone Mapping' );
				toneMappingFolder.add( renderer, 'toneMappingExposure', 0.1, 2 ).name( 'exposure' );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			//

			function render() {

				renderPipeline.render();

			}

		</script>

	</body>
</html>