Package Description
  Box2D.Collision Contains classes handling detecting collisions.
  Box2D.Collision.Shapes Contains shape classes and corresponding definitions.
  Box2D.Common Contains utility functions.
  Box2D.Common.Math Contains 2D vector utilities.
  Box2D.Dynamics Contains b2World, b2Body and related classes.
  Box2D.Dynamics.Contacts Contains classes for tracking contacts between shapes.
  Box2D.Dynamics.Controllers Contains classes managing groups of bodies.
  Box2D.Dynamics.Joints Contains joint classes and corresponding definitions.