| Submitted by , posted on 21 June 2001 |

Image Description, by This IOTD shows the Physics Simulator/Game Engine that I have been writing in my spare time for a little more than a year. The first image shows the truck flipped over in the lowlands and the kinds of problems I am running into because my tires aren't rigidly connected. The second demonstrated lens flare. The third shows a bunch of tire tracks (the brown stuff). The fourth shows a different truck pushing around a ball.
Images really don't show this thing in action. The Truck has full suspension and is actually pretty neat to drive. The demo can be found at http://homepage.mac.com/tod_baudais. It requires a fast G3 or G4 Macintosh.
Quick list of features:

> - Very extensible C++ design with minimal platform dependency
> - Accurate physics including:

> - real friction (not some hack)
> - collision detection/response (simple spheres for now)
> - constraints like spring, damper, gravity, etc. (no rigid connections yet)

- Landscapes

- Geo-Mipmaps
- LOD morphing
- Textures generated on the fly from 5 source textures & Perlin Noise
- Landscape streaming
- Quadtree rendering
- Tire tracks and rub marks
- Lens flare
- Multiple light sources
- Skybox
- QuickTime Support for texture loading
- OpenGL

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