1999 Game Developer Magazine Article Companion
The following applications and source code samples are for educational purposes
only! Use at your own risk.
December 1999: 2D Water Effects
Source Code and Exe (368KB)
2D Water Ripples
November 1999: Blob Modeling
Source Code and Exe (161KB)
Blob Modeling
October 1999: Skeletal Deformation
Source Code and Exe (357KB)
Article in PDF format
Skeletal Deformation in OpenGL
September 1999: Pool Table Physics
Source Code and Exe (185kb)
Article in PDF format
Pool Table Physics
Warning: Not a game. Just a demo to show how billiard physics can be approached. Only two balls with
no pockets but it could be made into a game pretty darn easy. I'll leave that up to you for now. What do you want, it's free?
August 1999: The Trials of Tribology: Friction Forces in the Particle System
Source Code and Exe (233KB)
Article in PDF format
Friction Forces using Mass and Spring System
May 1999: Cloth Simulation using Mass and Spring System
Source Code and Exe (205KB)
Article in PDF format
Cloth Simulation using Mass and Spring System
April 1999: Particle Dynamics Part 2 - Better Integration
Source Code and Exe (190KB)
Article in PDF format
3D Particle Dynamics Simulator with Better Integration
There was a typo in the images showing the deviation for different integrators. The numbers should have been
Figure 1: Stepsize 0.8 Kd 0.8
Figure 2: Stepsize 0.8 Kd 2
Figure 3: Stepsize 0.8 Kd 2.6
I have also posted an Excel chart that I used to get those values that you can play with
if you are interested.
Excel Chart
March 1999: Particle Dynamics
Source Code and Exe (190KB)
Article in PDF format
3D Particle Dynamics Simulator
January 1999: 2D Collision
Source Code and Exe (260KB)
Article in PDF format
2D Collision Detection Demo