[Video] Talk on transpiling C/C++ to JavaScript with Emscripten


Writing code for multiple platforms can be a lot of work. It can be even more work to have to completely rewrite it for each one, too. What if you wrote an application in C++, but wanted it to be displayed in the browser somehow? Well now, with a tool called Emscripten, that’s possible.

Emscripten is an LLVM based project that compiles C and C++ into highly performant JavaScript in the asm.js format. In short: near native speeds, using C and C++, inside of the browser.  Even better, emscripten converts OpenGL, a desktop graphics API, into WebGL, which is the web variant of that API.

I previously wrote a blog post illustrating what Emscripten is, and how it works in relation to some of my favorite game development tools: Unreal Engine 4 and Unity. Therefore, I won’t go into great detail about how it works here, but instead wanted to focus on creating your own web project which takes advantage of Emscripten, so that you can take C / C++ code and get it running inside of the browser.

I have several other posts in this series:

Acknowledgement:

Alon Zakai (@Kripken) at Mozilla has been doing an incredible job of supporting Emscripten over the years. Much of this content came from his talks and presentations that I could find online. I’d suggest following along with his work to learn more about the project.

 

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4 thoughts on “[Video] Talk on transpiling C/C++ to JavaScript with Emscripten

  1. Hey Dave do you have a video on publishing website using Github and visual studio? I created a new repository but I can’t get it to work!!!

  2. Hi David,

    It was very impressive that finally, I got someone who I am searching for an implementation of online code editors like the way that repl.it (www.repl.it) build it.

    Please let me know in case if you can spend some time in getting it done as a part of the implementation.

    regards
    Nagesh

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