examples/webgl_loader_gltf_dispersion.html

<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - GLTFloader + Dispersion</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>
		<div id="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - GLTFLoader + <a href="https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_materials_dispersion" target="_blank" rel="noopener">KHR_materials_dispersion</a><br />
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.module.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';

			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
			import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
			import { RoomEnvironment } from 'three/addons/environments/RoomEnvironment.js';

			let camera, scene, renderer;

			init().then( render );

			async function init() {

				const container = document.createElement( 'div' );
				document.body.appendChild( container );

				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.01, 5 );
				camera.position.set( 0.1, 0.05, 0.15 );

				scene = new THREE.Scene();

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.toneMapping = THREE.NeutralToneMapping;
				renderer.toneMappingExposure = 1;
				container.appendChild( renderer.domElement );

				const environment = new RoomEnvironment();
				const pmremGenerator = new THREE.PMREMGenerator( renderer );

				scene = new THREE.Scene();
				scene.backgroundBlurriness = 0.5;

				const env = pmremGenerator.fromScene( environment ).texture;
				scene.background = env;
				scene.environment = env;
				environment.dispose();

				const loader = new GLTFLoader();
				const gltf = await loader.loadAsync( 'models/gltf/DispersionTest.glb' );

				scene.add( gltf.scene );

				const controls = new OrbitControls( camera, renderer.domElement );
				controls.addEventListener( 'change', render ); // use if there is no animation loop
				controls.minDistance = 0.1;
				controls.maxDistance = 10;
				controls.target.set( 0, 0, 0 );
				controls.update();

				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>