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132 lines
3.3 KiB
HTML
132 lines
3.3 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgpu - frame difference</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>
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<br/>saturated color of objects according to the difference from one frame to another
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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, luminance, saturation } from 'three/tsl';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { Timer } from 'three/addons/misc/Timer.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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const params = {
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speed: 0
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};
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let camera, renderer, postProcessing;
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let timer, mesh, controls;
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init();
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function init() {
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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( 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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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100 );
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camera.position.set( 1, 2, 3 );
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const scene = new THREE.Scene();
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scene.fog = new THREE.Fog( 0x0487e2, 7, 25 );
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scene.background = new THREE.Color( 0x0487e2 );
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timer = new Timer();
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timer.connect( document );
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const texture = new THREE.TextureLoader().load( 'textures/crate.gif' );
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texture.colorSpace = THREE.SRGBColorSpace;
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const geometry = new THREE.BoxGeometry();
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const material = new THREE.MeshBasicMaterial( { map: texture } );
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mesh = new THREE.Mesh( geometry, material );
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scene.add( mesh );
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// post processing
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postProcessing = new THREE.PostProcessing( renderer );
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const scenePass = pass( scene, camera );
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const currentTexture = scenePass.getTextureNode();
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const previousTexture = scenePass.getPreviousTextureNode();
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const frameDiff = previousTexture.sub( currentTexture ).abs();
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const saturationAmount = luminance( frameDiff ).mul( 1000 ).clamp( 0, 3 );
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postProcessing.outputNode = saturation( currentTexture, saturationAmount );
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//
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controls = new OrbitControls( camera, renderer.domElement );
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controls.minDistance = 2;
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controls.maxDistance = 10;
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controls.enableDamping = true;
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controls.dampingFactor = 0.01;
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window.addEventListener( 'resize', onWindowResize );
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//
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const gui = new GUI();
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gui.add( params, 'speed', 0, 2 );
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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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function animate() {
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timer.update();
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controls.update();
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mesh.rotation.y += timer.getDelta() * 5 * params.speed;
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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> |