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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';
- import { OrbitControls } from './jsm/controls/OrbitControls.js';
- let camera, scene, renderer;
- let mesh;
- init();
- render();
- function init() {
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.outputEncoding = THREE.sRGBEncoding;
- document.body.appendChild( renderer.domElement );
- scene = new THREE.Scene();
- camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.1, 100 );
- camera.position.set( 0, 0, 1 );
- camera.lookAt( scene.position );
- const controls = new OrbitControls( camera, renderer.domElement );
- controls.addEventListener( 'change', render );
- const geometry = flipY( new THREE.PlaneBufferGeometry() );
- const material = new THREE.MeshBasicMaterial( { side: THREE.DoubleSide } );
- mesh = new THREE.Mesh( geometry, material );
- scene.add( mesh );
- const loader = new BasisTextureLoader();
- loader.setTranscoderPath( 'js/libs/basis/' );
- loader.detectSupport( renderer );
- loader.load( 'textures/compressed/canestra_di_frutta_caravaggio.basis', function ( texture ) {
- texture.encoding = THREE.sRGBEncoding;
- material.map = texture;
- material.needsUpdate = true;
- render();
- }, undefined, function ( error ) {
- console.error( error );
- } );
- 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 );
- }
- /** Correct UVs to be compatible with `flipY=false` textures. */
- function flipY( geometry ) {
- const uv = geometry.attributes.uv;
- for ( let i = 0; i < uv.count; i ++ ) {
- uv.setY( i, 1 - uv.getY( i ) );
- }
- return geometry;
- }
- </script>
- </body>
- </html>
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