This is sample files for build openframeworks with Emscripten.
The article is available in ja-JP. 日本語の記事は以下にあります。
Created
November 4, 2022 07:19
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oF x Emscripten
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| <!DOCTYPE html> | |
| <!-- Modern shell file for Emscripten --> | |
| <html> | |
| <meta charset="UTF-8"> | |
| <head> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <style> | |
| html, | |
| body { | |
| background-color: #000; | |
| margin: 0; | |
| color: #fff; | |
| } | |
| #control { | |
| position: fixed; | |
| top: 30px; | |
| left: 30px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="control"> | |
| <div id="status"></div> | |
| <progress id="progress"></progress> | |
| <div id="error"></div> | |
| </div> | |
| <canvas id="canvas"></canvas> | |
| <script> | |
| const statusElement = document.getElementById("status"); | |
| const progressElement = document.getElementById("progress"); | |
| var Module = { | |
| preRun: [updateCanvasSize], | |
| postRun: [], | |
| print: (text) => { | |
| // To be implemented | |
| }, | |
| printErr: (text) => { | |
| console.error(text); | |
| }, | |
| canvas: document.getElementById("canvas"), | |
| setStatus: (text) => { | |
| const now = Date.now(); | |
| // Save last execution, mock for initialization | |
| Module.setStatus.last = Module.setStatus.last || { | |
| time: now, | |
| text: "", | |
| }; | |
| // Ignore if same with current | |
| if (text === Module.setStatus.text) return; | |
| // Is progress update? | |
| const m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/); | |
| // Ignore if progress update in 30ms from previous | |
| if (m && now - Module.setStatus.last.time < 30) return; | |
| // If is progress update: | |
| if (m) { | |
| text = m[1]; | |
| progressElement.value = parseInt(m[2]); | |
| progressElement.max = parseInt(m[4]); | |
| } | |
| // Others: | |
| else { | |
| // Hide progress display | |
| progressElement.value = null; | |
| progressElement.max = null; | |
| progressElement.hidden = true; | |
| } | |
| // Output | |
| console.log(text); | |
| statusElement.innerHTML = text; | |
| // Store execution log | |
| Module.setStatus.last.time = now; | |
| Module.setStatus.last.text = text; | |
| }, | |
| }; | |
| // If some error is throwed, report by setting status | |
| window.addEventListener("error", (e) => { | |
| Module.setStatus("Error"); | |
| console.error(e); | |
| document.getElementById("error").innerHTML = e.message; | |
| }); | |
| /** Update canvas size with fitting to window size */ | |
| const updateCanvasSize = () => { | |
| Module.setCanvasSize?.(window.innerWidth, window.innerHeight); | |
| }; | |
| window.addEventListener("resize", updateCanvasSize); | |
| window.addEventListener("load", updateCanvasSize); | |
| Module.setStatus("Downloading..."); | |
| </script> | |
| {{{ SCRIPT }}} | |
| </body> | |
| </html> |
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