Rotating Box example
This is a rotating box filled with spheres and boxes. Spheres are rigid bodies modelled by a very simple spring system. Rotating box is a rigid body moved by kinematic engine. Body collision is frictionless.
Box Wall example
Here a wall made of boxes is constructed, and then a sphere collides with it at high velocity.
This simple spring system doesn't allow to make a realistic simulation of collision. It serves only as a testing ground for framework class design, and test its extensibility. See other sections for more realistic physical models.