javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - basis texture loader</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> - webgl - basis texture loader<br />
			<a href="https://github.com/binomialLLC/basis_universal" target="_blank">Basis Universal GPU Texture Codec</a>
		</div>

		<script type="module">

			import * as THREE from '../build/three.module.js';

			import { BasisTextureLoader } from './jsm/loaders/BasisTextureLoader.js';

			var camera, scene, renderer;
			var mesh;

			var clock = new THREE.Clock();

			init();
			animate();

			function init() {

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.gammaOutput = true;
				renderer.gammaFactor = 2.2;
				document.body.appendChild( renderer.domElement );

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 2000 );
				camera.position.z = 500;

				scene = new THREE.Scene();

				var geometry = new THREE.BoxBufferGeometry( 200, 200, 200 );
				var material = new THREE.MeshBasicMaterial();

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

				scene.add( mesh );

				var loader = new BasisTextureLoader();
				loader.setTranscoderPath( 'js/libs/basis/' );
				loader.detectSupport( renderer );
				loader.load( 'textures/compressed/PavingStones.basis', function ( texture ) {

					texture.encoding = THREE.sRGBEncoding;
					material.map = texture;
					material.needsUpdate = true;

				}, undefined, function ( error ) {

					console.error( error );

				} );

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function onWindowResize() {

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

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

			}

			function animate() {

				requestAnimationFrame( animate );

				var delta = clock.getDelta() * 0.5;

				mesh.rotation.x += delta;
				mesh.rotation.y += delta;

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>