Tokamak (software)

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Tokamak Game Physics SDK

Original author(s)	David Lam
Developer(s)	Tokamak Physics
Stable release	1.0.5a / April 14, 2008; 16 years ago (2008-04-14)
Repository	sourceforge.net/projects/tokamakp/
Written in	C++
Type	Middleware
License	BSD License or Zlib License
Website	Tokamak site

The Tokamak Game Physics SDK is an open-source physics engine.

At its beginnings, Tokamak was free for non commercial uses only. Since May 2007, it has become open sourced under a BSD License. Now it can be used under BSD or Zlib license, in order to make the source code exchange with other physics engine possible.

Tokamak features a unique iterative method for solving constraints. This is claimed to allow developers to make trade-offs between accuracy and speed and provides more predictable processor and memory usage. Tokamak's constraint solver does not involve solving large matrices, thereby avoiding memory bandwidth limitations on some game consoles.

The SDK supports a variety of joint types and joint limits and a realistic friction model. Tokamak is optimized for stacking large numbers of objects - a frequently requested feature by game developers. Tokamak provides collision detection for primitives (box, sphere, capsule), combinations of primitives, and arbitrary static triangle meshes. Lightweight 'rigid particles' provide particle effects in games at minimal cost.

Tokamak also supports "Breakage Constructing models" which will break when a collision occurs. Fragments of the original model will automatically be spawned by Tokamak's built-in breakage functionality.

• collision detection✔
• Particle system?
• Rigid body dynamics?

• Physics Abstraction Layer

• Tokamak web site Archived 2016-03-30 at the Wayback Machine
• Tokamak sourceforge project page

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