Bullet (software)

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Bullet Physics Library
Bullet Physics Logo.svg
Bullet Wall.png
Developer(s)Erwin Coumans, et al.[1][2]
Stable release
3.05[3] / September 24, 2020; 8 months ago (2020-09-24)
Repository Edit this at Wikidata
Written inC, C++
Operating systemMicrosoft Windows, macOS, Linux, iOS, Android, PlayStation 3, Xbox 360, Wii
TypePhysics engine
Licensezlib License
Websitewww.pybullet.org Edit this on Wikidata

Bullet is a physics engine which simulates collision detection as well as soft and rigid body dynamics. It has been used in video games and for visual effects in movies. Erwin Coumans, its main author, won a Scientific and Technical Academy Award[4] for his work on Bullet. He worked for Sony Computer Entertainment US R&D from 2003 until 2010, for AMD until 2014, and he now works for Google.

The Bullet physics library is free and open-source software subject to the terms of the zlib License. The source code is hosted on GitHub; before 2014 it was hosted on Google Code.[5]


The Bullet website also hosts a Physics Forum for general discussion around physics simulation for games and animation.

At AMD Developer Summit (APU) in November 2013 Erwin Coumans presented the Bullet 3 OpenCL Rigid Body Simulation.[7][8]


  1. ^ "GitHub: Bullet Physics". GitHub.
  2. ^ "Google Code: Bullet Physics".
  3. ^ "GitHub: bulletphysics/bullet3 releases".
  4. ^ cgchannel:Bullet and Naiad creators win Academy Awards (January 14th, 2015)
  5. ^ Bullet moves to github and Erwin Coumans joins Google! (May 16th, 2014)
  6. ^ "GPU physics: OpenCL separate branch".
  7. ^ "Bullet 3 OpenCL Rigid Body Simulation". 2013-11-21.
  8. ^ "bullet3 on GitHub".

External links[edit]