Files
apt-nl-map/static/Magic4/js/three.js-dev/examples/webgl_postprocessing_afterimage.html
2024-12-04 10:21:04 +08:00

113 lines
2.6 KiB
HTML

<!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>
<script type="module">
import * as THREE from '../build/three.module.js';
import { GUI } from './jsm/libs/dat.gui.module.js';
import { EffectComposer } from './jsm/postprocessing/EffectComposer.js';
import { RenderPass } from './jsm/postprocessing/RenderPass.js';
import { AfterimagePass } from './jsm/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>