Classes
 ClassDescription
 IOUtil A useful utility for outputting the text
 KeyPoll

Games often need to get the current state of various keys in order to respond to user input.

 LocomotionUtil Useful utilities for creating the wheel systems
 MathUtil Useful mathematic functions
 RenderingUtil Useful drawing routines
 ShapeUtil Useful utilities for dealing with body geometries
 SimpleMap Simple map data holder
 StartButton The start button enchancing the Simulation with the additional interactivity.