You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
132 lines
3.3 KiB
HTML
132 lines
3.3 KiB
HTML
2 months ago
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js webgpu - frame difference</title>
|
||
|
|
<meta charset="utf-8">
|
||
|
|
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
|
||
|
|
<link type="text/css" rel="stylesheet" href="main.css">
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
|
||
|
|
<div id="info">
|
||
|
|
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a>
|
||
|
|
<br/>saturated color of objects according to the difference from one frame to another
|
||
|
|
</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';
|
||
|
|
import { pass, luminance, saturation } from 'three/tsl';
|
||
|
|
|
||
|
|
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
|
||
|
|
import { Timer } from 'three/addons/misc/Timer.js';
|
||
|
|
|
||
|
|
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
|
||
|
|
|
||
|
|
const params = {
|
||
|
|
speed: 0
|
||
|
|
};
|
||
|
|
|
||
|
|
let camera, renderer, postProcessing;
|
||
|
|
let timer, mesh, controls;
|
||
|
|
|
||
|
|
init();
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
renderer = new THREE.WebGPURenderer();
|
||
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
renderer.setAnimationLoop( animate );
|
||
|
|
renderer.toneMapping = THREE.NeutralToneMapping;
|
||
|
|
document.body.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100 );
|
||
|
|
camera.position.set( 1, 2, 3 );
|
||
|
|
|
||
|
|
const scene = new THREE.Scene();
|
||
|
|
scene.fog = new THREE.Fog( 0x0487e2, 7, 25 );
|
||
|
|
scene.background = new THREE.Color( 0x0487e2 );
|
||
|
|
|
||
|
|
timer = new Timer();
|
||
|
|
timer.connect( document );
|
||
|
|
|
||
|
|
const texture = new THREE.TextureLoader().load( 'textures/crate.gif' );
|
||
|
|
texture.colorSpace = THREE.SRGBColorSpace;
|
||
|
|
|
||
|
|
const geometry = new THREE.BoxGeometry();
|
||
|
|
const material = new THREE.MeshBasicMaterial( { map: texture } );
|
||
|
|
|
||
|
|
mesh = new THREE.Mesh( geometry, material );
|
||
|
|
scene.add( mesh );
|
||
|
|
|
||
|
|
// post processing
|
||
|
|
|
||
|
|
postProcessing = new THREE.PostProcessing( renderer );
|
||
|
|
|
||
|
|
const scenePass = pass( scene, camera );
|
||
|
|
|
||
|
|
const currentTexture = scenePass.getTextureNode();
|
||
|
|
const previousTexture = scenePass.getPreviousTextureNode();
|
||
|
|
|
||
|
|
const frameDiff = previousTexture.sub( currentTexture ).abs();
|
||
|
|
|
||
|
|
const saturationAmount = luminance( frameDiff ).mul( 1000 ).clamp( 0, 3 );
|
||
|
|
|
||
|
|
postProcessing.outputNode = saturation( currentTexture, saturationAmount );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
controls = new OrbitControls( camera, renderer.domElement );
|
||
|
|
controls.minDistance = 2;
|
||
|
|
controls.maxDistance = 10;
|
||
|
|
controls.enableDamping = true;
|
||
|
|
controls.dampingFactor = 0.01;
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
const gui = new GUI();
|
||
|
|
gui.add( params, 'speed', 0, 2 );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
timer.update();
|
||
|
|
|
||
|
|
controls.update();
|
||
|
|
|
||
|
|
mesh.rotation.y += timer.getDelta() * 5 * params.speed;
|
||
|
|
|
||
|
|
postProcessing.render();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|