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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgpu - pmrem scene</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="importmap">
- {
- "imports": {
- "three": "../build/three.webgpu.js",
- "three/tsl": "../build/three.webgpu.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { normalWorld, uniform, pmremTexture } from 'three/tsl';
- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
- import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
- let camera, scene, renderer;
- init();
- async function init() {
- const container = document.createElement( 'div' );
- document.body.appendChild( container );
- camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
- camera.position.set( - 1.8, 0.6, 2.7 );
- scene = new THREE.Scene();
- const forceWebGL = false;
- renderer = new THREE.WebGPURenderer( { antialias: true, forceWebGL } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- container.appendChild( renderer.domElement );
- await renderer.init();
- const controls = new OrbitControls( camera, renderer.domElement );
- controls.addEventListener( 'change', render ); // use if there is no animation loop
- controls.minDistance = 2;
- controls.maxDistance = 10;
- controls.update();
- //
- scene.background = new THREE.Color( 0x006699 );
- let model;
- model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0x0000ff } ) );
- model.position.z -= 1;
- scene.add( model );
- model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0xff0000 } ) );
- model.position.z += 1;
- scene.add( model );
- model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0xff00ff } ) );
- model.position.x += 1;
- scene.add( model );
- model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0x00ffff } ) );
- model.position.x -= 1;
- scene.add( model );
- model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0xffff00 } ) );
- model.position.y -= 1;
- scene.add( model );
- model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0x00ff00 } ) );
- model.position.y += 1;
- scene.add( model );
- //while ( scene.children.length > 0 ) scene.remove( scene.children[ 0 ] );
- const sceneRT = new THREE.PMREMGenerator( renderer ).fromScene( scene );
- scene.background = null;
- scene.backgroundNode = null;
- //
- const pmremRoughness = uniform( .5 );
- const pmremNode = pmremTexture( sceneRT.texture, normalWorld, pmremRoughness );
- scene.add( new THREE.Mesh( new THREE.SphereGeometry( .5, 64, 64 ), new THREE.MeshBasicNodeMaterial( { colorNode: pmremNode } ) ) );
- // gui
- const gui = new GUI();
- gui.add( pmremRoughness, 'value', 0, 1, 0.001 ).name( 'roughness' ).onChange( () => render() );
- render();
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- render();
- }
- //
- function render() {
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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