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159 lines
3.7 KiB
159 lines
3.7 KiB
3 years ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - loader - ImageBitmap</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> - Texture loader using ImageBitmap
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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let camera, scene, renderer;
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let group, cubes;
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init();
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animate();
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function addImageBitmap() {
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new THREE.ImageBitmapLoader()
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.load( 'textures/planets/earth_atmos_2048.jpg?' + performance.now(), function ( imageBitmap ) {
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const texture = new THREE.CanvasTexture( imageBitmap );
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const material = new THREE.MeshBasicMaterial( { map: texture } );
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/* ImageBitmap should be disposed when done with it
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Can't be done until it's actually uploaded to WebGLTexture */
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// imageBitmap.close();
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addCube( material );
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}, function ( p ) {
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console.log( p );
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}, function ( e ) {
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console.log( e );
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} );
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}
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function addImage() {
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new THREE.ImageLoader()
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.setCrossOrigin( '*' )
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.load( 'textures/planets/earth_atmos_2048.jpg?' + performance.now(), function ( image ) {
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const texture = new THREE.CanvasTexture( image );
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const material = new THREE.MeshBasicMaterial( { color: 0xff8888, map: texture } );
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addCube( material );
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} );
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}
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const geometry = new THREE.BoxGeometry( 1, 1, 1 );
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function addCube( material ) {
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const cube = new THREE.Mesh( geometry, material );
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cube.position.set( Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random() * 2 - 1 );
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cube.rotation.set( Math.random() * 2 * Math.PI, Math.random() * 2 * Math.PI, Math.random() * 2 * Math.PI );
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cubes.add( cube );
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}
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function init() {
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const container = document.createElement( 'div' );
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document.body.appendChild( container );
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// CAMERA
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camera = new THREE.PerspectiveCamera( 30, window.innerWidth / window.innerHeight, 1, 1500 );
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camera.position.set( 0, 4, 7 );
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camera.lookAt( 0, 0, 0 );
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// SCENE
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scene = new THREE.Scene();
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//
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group = new THREE.Group();
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scene.add( group );
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group.add( new THREE.GridHelper( 4, 12, 0x888888, 0x444444 ) );
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cubes = new THREE.Group();
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group.add( cubes );
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// RENDERER
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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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container.appendChild( renderer.domElement );
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// TESTS
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setTimeout( addImage, 300 );
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setTimeout( addImage, 600 );
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setTimeout( addImage, 900 );
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setTimeout( addImageBitmap, 1300 );
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setTimeout( addImageBitmap, 1600 );
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setTimeout( addImageBitmap, 1900 );
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// EVENTS
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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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}
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function animate() {
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group.rotation.y = performance.now() / 3000;
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renderer.render( scene, camera );
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requestAnimationFrame( animate );
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}
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</script>
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</body>
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</html>
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