12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485 |
- <!-- Licensed under a BSD license. See license.html for license -->
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
- <title>Three.js - OffscreenCanvas w/Fallback</title>
- <style>
- html, body {
- height: 100%;
- margin: 0;
- }
- #c {
- width: 100%;
- height: 100%;
- display: block;
- }
- </style>
- </head>
- <body>
- <canvas id="c"></canvas>
- </body>
- <script type="module">
- import { init, state } from './shared-cubes.js';
- function startWorker( canvas ) {
- const offscreen = canvas.transferControlToOffscreen();
- const worker = new Worker( 'offscreencanvas-worker-cubes.js', { type: 'module' } );
- worker.postMessage( { type: 'init', canvas: offscreen }, [ offscreen ] );
- function sendSize() {
- worker.postMessage( {
- type: 'size',
- width: canvas.clientWidth,
- height: canvas.clientHeight,
- } );
- }
- window.addEventListener( 'resize', sendSize );
- sendSize();
- console.log( 'using OffscreenCanvas' ); /* eslint-disable-line no-console */
- }
- function startMainPage( canvas ) {
- init( { canvas } );
- function sendSize() {
- state.width = canvas.clientWidth;
- state.height = canvas.clientHeight;
- }
- window.addEventListener( 'resize', sendSize );
- sendSize();
- console.log( 'using regular canvas' ); /* eslint-disable-line no-console */
- }
- function main() { /* eslint consistent-return: 0 */
- const canvas = document.querySelector( '#c' );
- if ( canvas.transferControlToOffscreen ) {
- startWorker( canvas );
- } else {
- startMainPage( canvas );
- }
- }
- main();
- </script>
- </html>
|