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This web player is for the Unreal Development Kit, and works very well without a browser plugin. I'm wondering how it is built.

How do I create a web player for a game engine written in C++?

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  • \$\begingroup\$ The web player you linked seems to be in Adobe Flash, but it should be possible to replicate with JavaScript, WebGL and WebAudio. This question is very broad. Is there a specific concept you're stuck with? \$\endgroup\$ – Anko Dec 17 '13 at 12:47
  • \$\begingroup\$ No it seems that it uses HTML5 see the page source \$\endgroup\$ – kochol Dec 17 '13 at 13:14
  • \$\begingroup\$ Are you sure? I may be wrong, but when I visit the page with a browser that doesn't support Flash, the game doesn't load, but informs me that I need Flash Player. \$\endgroup\$ – Anko Dec 17 '13 at 13:28
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Emscripten can be used to port C++ applications to javascript. It was able to succesfully make the Unreal 3 engine run in a web browser.

It works best in browsers which support asm.js, an optimization-friendly subset of the Javascript language which can reach performance comparable to native code.

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pepper.js allows you to write C++ code and then deploy directly as:

  • Machine code via PNaCl for higher performance, currently only supported by Chrome.
  • Javascript via Emscripten for maximum reach.

From the project page:

pepper.js is a JavaScript library that enables the compilation of native Pepper applications into JavaScript using Emscripten. This allows the simultaneous deployment of native code on the web both as a Portable Native Client (PNaCl) executable and as JavaScript. Native Pepper applications can now be run in Chrome, Firefox, Internet Explorer, Safari, and more.

Disclosure: I work on the Chrome team.

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