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Bullet Physics Demo in Chrome Browser


Erwin Coumans from has published a Chrome extension that showcases real-time physics in the browser. The sample includes an embedded .blend file. You can also load your own .blend.

The Native Client module executed in this page runs a basic C++ Bullet Physics simulation.

Use the mouse wheel for camera zoom and left mouse button to pick and drag objects. The test embeds a Blender 3D .blend file and it can also load a local .blend file. This is an unmodified version of the Bullet C++ library using the premake build system. See the source code at

Check in the Chrome "About Box" that you are using version 15 or later.


About the Author

Avatar image for Bart Veldhuizen
Bart Veldhuizen

I have a LONG history with Blender - I wrote some of the earliest Blender tutorials, worked for Not a Number and helped run the crowdfunding campaign that open sourced Blender (the first one on the internet!). I founded BlenderNation in 2006 and have been editing it every single day since then ;-) I also run the Blender Artists forum and I'm Head of Community at Sketchfab.


    • This does not require a plugin installation. It's running through Google's Native Client (NaCL) which is a native code sandbox, meaning it executes native binary instructions (with native efficiency) but it's as safe and secure as Javascript.

      It's not unrealistic to assume that Blender itself will run within NaCL browsers like Chrome without a "plugin".

  1. Some people have mentioned Burster, which is a good solution but requires a plugin. I wonder if this option could ever run on all browsers without an explicit plugin installation...

  2. But why installing plugin is so terrible for peoples? I am sure most of us have a lot of unused programs and browser plugins/extensions. I  think it is better to install an open source plugin for some features than to have all in one slowly browsers.

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