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165 lines
4.5 KiB
HTML
165 lines
4.5 KiB
HTML
<!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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<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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<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, float, uniform } from 'three/tsl';
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import { bloom } from 'three/addons/tsl/display/BloomNode.js';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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// scene
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const scene = new THREE.Scene();
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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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const geometry = new THREE.IcosahedronGeometry( 1, 15 );
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for ( let i = 0; i < 50; i ++ ) {
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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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const bloomIntensity = Math.random() > 0.5 ? 1 : 0;
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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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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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// renderer
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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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// post processing
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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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const outputPass = scenePass.getTextureNode();
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const bloomIntensityPass = scenePass.getTextureNode( 'bloomIntensity' );
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const bloomPass = bloom( outputPass.mul( bloomIntensityPass ) );
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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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// controls
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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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// raycaster
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const raycaster = new THREE.Raycaster();
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const mouse = new THREE.Vector2();
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window.addEventListener( 'pointerdown', ( event ) => {
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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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raycaster.setFromCamera( mouse, camera );
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const intersects = raycaster.intersectObjects( scene.children, false );
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if ( intersects.length > 0 ) {
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const material = intersects[ 0 ].object.material;
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const bloomIntensity = material.mrtNode.get( 'bloomIntensity' );
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bloomIntensity.value = bloomIntensity.value === 0 ? 1 : 0;
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}
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} );
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// gui
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const gui = new GUI();
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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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const toneMappingFolder = gui.addFolder( 'tone mapping' );
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toneMappingFolder.add( renderer, 'toneMappingExposure', 0.1, 3 ).name( 'exposure' );
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// events
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window.onresize = function () {
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const width = window.innerWidth;
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const height = window.innerHeight;
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camera.aspect = width / height;
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camera.updateProjectionMatrix();
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renderer.setSize( width, height );
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};
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// animate
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function animate() {
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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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