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106 lines
2.6 KiB
HTML
106 lines
2.6 KiB
HTML
2 months ago
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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 webgl - postprocessing - afterimage</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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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.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 { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
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import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
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import { AfterimagePass } from 'three/addons/postprocessing/AfterimagePass.js';
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import { OutputPass } from 'three/addons/postprocessing/OutputPass.js';
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let camera, scene, renderer, composer;
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let mesh;
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let afterimagePass;
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const params = {
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enable: true
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};
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init();
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function init() {
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renderer = new THREE.WebGLRenderer();
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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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document.body.appendChild( renderer.domElement );
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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.z = 400;
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scene = new THREE.Scene();
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scene.fog = new THREE.Fog( 0x000000, 1, 1000 );
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const geometry = new THREE.BoxGeometry( 150, 150, 150, 2, 2, 2 );
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const material = new THREE.MeshNormalMaterial();
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mesh = new THREE.Mesh( geometry, material );
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scene.add( mesh );
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// postprocessing
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composer = new EffectComposer( renderer );
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composer.addPass( new RenderPass( scene, camera ) );
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afterimagePass = new AfterimagePass();
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composer.addPass( afterimagePass );
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const outputPass = new OutputPass();
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composer.addPass( outputPass );
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window.addEventListener( 'resize', onWindowResize );
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const gui = new GUI( { title: 'Damp setting' } );
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gui.add( afterimagePass, 'damp', 0, 1 ).step( 0.001 );
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gui.add( params, 'enable' );
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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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composer.setSize( window.innerWidth, window.innerHeight );
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}
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function animate() {
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mesh.rotation.x += 0.005;
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mesh.rotation.y += 0.01;
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afterimagePass.enabled = params.enable;
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composer.render();
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}
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</script>
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</body>
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</html>
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