You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
136 lines
2.9 KiB
136 lines
2.9 KiB
3 years ago
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js webgl - postprocessing - afterimage</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>
|
||
|
|
|
||
|
|
<!-- Import maps polyfill -->
|
||
|
|
<!-- Remove this when import maps will be widely supported -->
|
||
|
|
<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
|
||
|
|
|
||
|
|
<script type="importmap">
|
||
|
|
{
|
||
|
|
"imports": {
|
||
|
|
"three": "../build/three.module.js",
|
||
|
|
"three/addons/": "./jsm/"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<script type="module">
|
||
|
|
|
||
|
|
import * as THREE from 'three';
|
||
|
|
|
||
|
|
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
|
||
|
|
|
||
|
|
import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
|
||
|
|
import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
|
||
|
|
import { AfterimagePass } from 'three/addons/postprocessing/AfterimagePass.js';
|
||
|
|
|
||
|
|
let camera, scene, renderer, composer;
|
||
|
|
let mesh;
|
||
|
|
|
||
|
|
let afterimagePass;
|
||
|
|
|
||
|
|
const params = {
|
||
|
|
|
||
|
|
enable: true
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
init();
|
||
|
|
createGUI();
|
||
|
|
animate();
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
renderer = new THREE.WebGLRenderer();
|
||
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
document.body.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
|
||
|
|
camera.position.z = 400;
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
scene.fog = new THREE.Fog( 0x000000, 1, 1000 );
|
||
|
|
|
||
|
|
const geometry = new THREE.BoxGeometry( 150, 150, 150, 2, 2, 2 );
|
||
|
|
const material = new THREE.MeshNormalMaterial();
|
||
|
|
mesh = new THREE.Mesh( geometry, material );
|
||
|
|
scene.add( mesh );
|
||
|
|
|
||
|
|
// postprocessing
|
||
|
|
|
||
|
|
composer = new EffectComposer( renderer );
|
||
|
|
composer.addPass( new RenderPass( scene, camera ) );
|
||
|
|
|
||
|
|
afterimagePass = new AfterimagePass();
|
||
|
|
composer.addPass( afterimagePass );
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize );
|
||
|
|
|
||
|
|
if ( typeof TESTING !== 'undefined' ) {
|
||
|
|
|
||
|
|
for ( let i = 0; i < 45; i ++ ) {
|
||
|
|
|
||
|
|
render();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function createGUI() {
|
||
|
|
|
||
|
|
const gui = new GUI( { name: 'Damp setting' } );
|
||
|
|
gui.add( afterimagePass.uniforms[ 'damp' ], 'value', 0, 1 ).step( 0.001 );
|
||
|
|
gui.add( params, 'enable' );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
composer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
mesh.rotation.x += 0.005;
|
||
|
|
mesh.rotation.y += 0.01;
|
||
|
|
|
||
|
|
if ( params.enable ) {
|
||
|
|
|
||
|
|
composer.render();
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
render();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
</html>
|