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three.js
spogulis no https://github.com/mrdoob/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgpu - pmrem equirectangular</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, normalView, positionViewDirection, cameraViewMatrix, pmremTexture } from 'three/tsl';

			import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';

			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 );
				renderer.toneMapping = THREE.ACESFilmicToneMapping;

				await renderer.init();

				container.appendChild( renderer.domElement );

				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();

				new RGBELoader()
					.setPath( 'textures/equirectangular/' )
					.load( 'royal_esplanade_1k.hdr', function ( map ) {

						map.mapping = THREE.EquirectangularReflectionMapping;

						const reflectVec = positionViewDirection.negate().reflect( normalView ).transformDirection( cameraViewMatrix );

						const pmremRoughness = uniform( .5 );
						const pmremNode = pmremTexture( map, reflectVec, pmremRoughness );

						scene.backgroundNode = pmremTexture( map, 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>