110 lines
2.7 KiB
HTML
110 lines
2.7 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - basis texture loader</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<link type="text/css" rel="stylesheet" href="main.css">
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</head>
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<body>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl - basis texture loader<br />
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<a href="https://github.com/binomialLLC/basis_universal" target="_blank">Basis Universal GPU Texture Codec</a>
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</div>
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<script type="module">
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import * as THREE from '../build/three.module.js';
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import { BasisTextureLoader } from './jsm/loaders/BasisTextureLoader.js';
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import { OrbitControls } from './jsm/controls/OrbitControls.js';
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let camera, scene, renderer;
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let mesh;
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init();
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render();
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function init() {
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.outputEncoding = THREE.sRGBEncoding;
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document.body.appendChild( renderer.domElement );
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.1, 100 );
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camera.position.set( 0, 0, 1 );
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camera.lookAt( scene.position );
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const controls = new OrbitControls( camera, renderer.domElement );
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controls.addEventListener( 'change', render );
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const geometry = flipY( new THREE.PlaneBufferGeometry() );
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const material = new THREE.MeshBasicMaterial( { side: THREE.DoubleSide } );
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mesh = new THREE.Mesh( geometry, material );
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scene.add( mesh );
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const loader = new BasisTextureLoader();
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loader.setTranscoderPath( 'js/libs/basis/' );
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loader.detectSupport( renderer );
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loader.load( 'textures/compressed/canestra_di_frutta_caravaggio.basis', function ( texture ) {
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texture.encoding = THREE.sRGBEncoding;
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material.map = texture;
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material.needsUpdate = true;
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render();
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}, undefined, function ( error ) {
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console.error( error );
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} );
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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render();
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}
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function render() {
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renderer.render( scene, camera );
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}
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/** Correct UVs to be compatible with `flipY=false` textures. */
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function flipY( geometry ) {
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const uv = geometry.attributes.uv;
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for ( let i = 0; i < uv.count; i ++ ) {
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uv.setY( i, 1 - uv.getY( i ) );
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}
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return geometry;
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}
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</script>
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</body>
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</html>
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