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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 - bloom selective</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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+
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+ <div id="info">
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+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgpu - bloom selective
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+ </div>
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+
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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/tsl": "../build/three.webgpu.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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+
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+ <script type="module">
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+
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+ import * as THREE from 'three';
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+ import { pass, mrt, output, float, uniform } from 'three/tsl';
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+
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+ import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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+
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+ import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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+
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+ // scene
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+
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+ const scene = new THREE.Scene();
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+
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+ const camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 200 );
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+ camera.position.set( 0, 0, 20 );
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+ camera.lookAt( 0, 0, 0 );
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+
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+ const geometry = new THREE.IcosahedronGeometry( 1, 15 );
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+
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+ for ( let i = 0; i < 50; i ++ ) {
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+
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+ const color = new THREE.Color();
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+ color.setHSL( Math.random(), 0.7, Math.random() * 0.2 + 0.05 );
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+
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+ const bloomIntensity = Math.random() > 0.5 ? 1 : 0;
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+
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+ const material = new THREE.MeshBasicNodeMaterial( { color: color } );
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+ material.mrtNode = mrt( {
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+ bloomIntensity: uniform( bloomIntensity )
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+ } );
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+
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+ const sphere = new THREE.Mesh( geometry, material );
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+ sphere.position.x = Math.random() * 10 - 5;
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+ sphere.position.y = Math.random() * 10 - 5;
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+ sphere.position.z = Math.random() * 10 - 5;
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+ sphere.position.normalize().multiplyScalar( Math.random() * 4.0 + 2.0 );
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+ sphere.scale.setScalar( Math.random() * Math.random() + 0.5 );
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+ scene.add( sphere );
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+
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+ }
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+
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+ // renderer
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+
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+ const 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( animate );
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+ renderer.toneMapping = THREE.NeutralToneMapping;
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+ document.body.appendChild( renderer.domElement );
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+
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+ // post processing
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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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+ bloomIntensity: float( 0 ) // default bloom intensity
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+ } ) );
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+
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+ const outputPass = scenePass.getTextureNode();
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+ const bloomIntensityPass = scenePass.getTextureNode( 'bloomIntensity' );
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+
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+ const bloomPass = outputPass.mul( bloomIntensityPass ).bloom();
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+
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+ const postProcessing = new THREE.PostProcessing( renderer );
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+ postProcessing.outputColorTransform = false;
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+ postProcessing.outputNode = outputPass.add( bloomPass ).renderOutput();
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+
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+ // controls
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+
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+ const controls = new OrbitControls( camera, renderer.domElement );
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+ controls.maxPolarAngle = Math.PI * 0.5;
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+ controls.minDistance = 1;
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+ controls.maxDistance = 100;
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+
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+ // raycaster
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+
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+ const raycaster = new THREE.Raycaster();
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+ const mouse = new THREE.Vector2();
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+
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+ window.addEventListener( 'pointerdown', ( event ) => {
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+
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+ mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
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+ mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
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+
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+ raycaster.setFromCamera( mouse, camera );
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+
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+ const intersects = raycaster.intersectObjects( scene.children, false );
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+
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+ if ( intersects.length > 0 ) {
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+
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+ const material = intersects[ 0 ].object.material;
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+
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+ const bloomIntensity = material.mrtNode.getNode( 'bloomIntensity' );
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+ bloomIntensity.value = bloomIntensity.value === 0 ? 1 : 0;
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+
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+ }
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+
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+ } );
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+
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+ // gui
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+
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+ const gui = new GUI();
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+
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+ const bloomFolder = gui.addFolder( 'bloom' );
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+ bloomFolder.add( bloomPass.threshold, 'value', 0.0, 1.0 ).name( 'threshold' );
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+ bloomFolder.add( bloomPass.strength, 'value', 0.0, 3 ).name( 'strength' );
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+ bloomFolder.add( bloomPass.radius, 'value', 0.0, 1.0 ).name( 'radius' );
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+
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+ const toneMappingFolder = gui.addFolder( 'tone mapping' );
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+ toneMappingFolder.add( renderer, 'toneMappingExposure', 0.1, 3 ).name( 'exposure' );
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+
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+ // events
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+
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+ window.onresize = function () {
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+
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+ const width = window.innerWidth;
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+ const height = window.innerHeight;
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+
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+ camera.aspect = width / height;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( width, height );
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+
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+ };
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+
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+ // animate
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+
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+ function animate() {
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+
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+ postProcessing.render();
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+
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+ }
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+
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+ </script>
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+
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+ </body>
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+
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+</html>
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sunag
