Crystal Space

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Crystal Space is a framework for developing 3D applications written in C++ by Jorrit Tyberghein and others. The first public release was on August 26, 1997.^[1] It is typically used as a game engine but the framework is more general and can be used for any kind of 3D visualization. It is very portable and runs on Microsoft Windows, GNU/Linux, UNIX, and Mac OS X. It is also free software, licensed under GNU Lesser General Public License, and was SourceForge.net's Project of the Month for February 2003.^[2]

It can optionally use OpenGL (on all platforms), SDL (all SDL platforms), X11 (Unix or GNU/Linux) and SVGALib (GNU/Linux). It can also optionally use assembler routines using NASM and MMX.

[edit] Engine design

Crystal Space is programmed in object oriented C++. It is very modularly built with a number of more or less independent plugins. The client programs use the plugins, like the OpenGL 3D renderer, by registering them via Crystal Space's Shared Class Facility (SCF).

[edit] Features

Crystal Space has modules for 2D and 3D graphics, sound, collision detection and physics through ODE and Bullet.

• Graphics:
  • OpenGL rendering
  • Supports hardware acceleration from all major card vendors
  • Allows use of shaders
  • Library of common shaders like normal mapping, parallax mapping and hardware skinning
  • Supports software rendering with limited features
• Mesh objects:
  • Plugin-based mesh system
  • Triangle-based meshes with frame and bone animation support
• Collision detection and dynamics:
  • ODE and Bullet dynamics
  • Simplified collision detection when full dynamic simulation is not needed

[edit] See also

• CELstart
• Crystal Entity Layer
• Game engine
• PlaneShift

[edit] References

1. ↑ Release history of Crystal Space from the Internet Archive
2. ↑ SourceForge.net Project of the Month, February 2003

[edit] External links

• Official Crystal Space site
• Crystal Space Community site
• Crystal Space engine details and reviews

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