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three.js
espejo de https://github.com/mrdoob/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - 2D compressed texture array</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> - WebGPU - 2D Compressed Texture Array<br />
			Loop from the movie Spirited away
			by the <a href="https://www.ghibli.jp/" target="_blank" rel="noopener">Studio Ghibli</a><br />
		</div>

		<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 { texture, uniform, uv } from 'three/tsl';

			import Stats from 'three/addons/libs/stats.module.js';
			import { KTX2Loader } from 'three/addons/loaders/KTX2Loader.js';

			let camera, scene, mesh, renderer, stats, clock;

			const depth = uniform( 0 );

			const planeWidth = 50;
			const planeHeight = 25;

			let depthStep = 1;

			init();

			async function init() {

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

				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 2000 );
				camera.position.z = 70;

				scene = new THREE.Scene();

				//
				clock = new THREE.Clock();

				renderer = new THREE.WebGPURenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				container.appendChild( renderer.domElement );

				//

				const ktx2Loader = new KTX2Loader();
				ktx2Loader.setTranscoderPath( 'jsm/libs/basis/' );
				await ktx2Loader.detectSupportAsync( renderer );

				ktx2Loader.load( 'textures/spiritedaway.ktx2', function ( texturearray ) {

					const material = new THREE.NodeMaterial();

					material.colorNode = texture( texturearray, uv().flipY() ).depth( depth );
					const geometry = new THREE.PlaneGeometry( planeWidth, planeHeight );

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

					scene.add( mesh );

				} );


				stats = new Stats();
				container.appendChild( stats.dom );

				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

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

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

			}

			function animate() {

				if ( mesh ) {

					const delta = clock.getDelta() * 10;

					depthStep += delta;

					const value = depthStep % 5;

					depth.value = value;

				}

				render();
				stats.update();

			}

			function render() {

				renderer.render( scene, camera );

			}

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