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three.js
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgpu - postprocessing sobel</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 { pass, sobel } 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;
			let postProcessing;

			const params = {
				enable: true
			};

			init();

			function init() {

				scene = new THREE.Scene();

				camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.1, 100 );
				camera.position.set( 0, 1, 3 );
				camera.lookAt( scene.position );

				//

				const ambientLight = new THREE.AmbientLight( 0xe7e7e7 );
				scene.add( ambientLight );

				const pointLight = new THREE.PointLight( 0xffffff, 20 );
				camera.add( pointLight );
				scene.add( camera );

				//

				const geometry = new THREE.TorusKnotGeometry( 1, 0.3, 256, 32 );
				const material = new THREE.MeshPhongMaterial( { color: 0xffff00 } );

				const mesh = new THREE.Mesh( geometry, material );
				scene.add( mesh );

				//

				renderer = new THREE.WebGPURenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				renderer.outputColorSpace = THREE.LinearSRGBColorSpace;
				document.body.appendChild( renderer.domElement );

				//

				const controls = new OrbitControls( camera, renderer.domElement );
				controls.enableZoom = false;


				// postprocessing

				postProcessing = new THREE.PostProcessing( renderer );

				const scenePass = pass( scene, camera );
				const scenePassColor = scenePass.getTextureNode();

				postProcessing.outputNode = sobel( scenePassColor );

				//

				const gui = new GUI();

				gui.add( params, 'enable' );
				gui.open();

				//

				window.addEventListener( 'resize', onWindowResize );

			}


			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function animate() {

				if ( params.enable === true ) {

					postProcessing.render();

				} else {

					renderer.render( scene, camera );

				}

			}

		</script>
	</body>
</html>