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Submitted by Tod Baudais, posted on June 21, 2001




Image Description, by Tod Baudais



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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    Archive Notice: This thread is old and no longer active. It is here for reference purposes. This thread was created on an older version of the flipcode forums, before the site closed in 2005. Please keep that in mind as you view this thread, as many of the topics and opinions may be outdated.
     
    Paulo Pinto

    June 22, 2001, 10:25 AM


    It looks great. I can't try it though as I don't have a Mac.

    I'm particularly interested in the physics engine.
    Can you explain a bit more about it?

    I am also playing around with some physics myself and would appreciate someone to exchange ideas. This goes for anybody out there.

    I saw that Laplace suggestion above and I had a quick look around the web, and found some interesting articles.
    I wonder if anybody is doing some work with this and did they find it usefull?

    Keep up the good work.

     
    David20321

    June 22, 2001, 05:19 PM

    I agree that phyiscs are MUCH harder than graphics. The graphics in my game (see IOTD before this one) took a very short time compared to my very rudimentary collision detection. I can't imagine how long it would take me to get a real physics engine going with rigid body dynamics and friction and all like this cool monster truck program.

    -David-

     
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