Simple mass-spring interactive system:
Physically-based simulation - SS05 - ETH Zuerich

Project by

Enrico Albonico,
Cristian Garcia,
Patrick Ponti

This program simulates the interaction between different objects
modeled as mass-spring systems. Objects can be added to(and removed 
from) the system, and the objects should collide and react to 
collisions.

Several improvements are possible but have been left out for lack of
time, such as a better integration scheme, more realistic collision 
response or even simulation of general objects from 3d models.
In our example the sphere is a rigid body, whereas the ropes are
simple mass spring models.