Add all about Rectangle:
* PhysicEngine:
** Refactor to be a little less packed into a few functions
** Add generateMixedContact() for contacts beetween straight Rectangle and Spheres
* Rectangle: New Test Class upon the base of Ball
* Application: Implementation of Rectangle
Add little hack to prevent pinging back when an object is warped into severe penetration.+
Add little tools to ease testing : horizontal rectangle and reset
Modified some magic values (that will be removed during the great clean-up, when the PhysicEngine will be completed)
Remove little hack, does some adjustment:
The PhysicEngine's precision's loop doesn't recalculate the Contacts
Remove all the Contact.impusle_, as it is not necessary to use them in my case
Add the tracker system and everything to test it.
Refactor some part os the PhysicEngine to be less ugly.
Change gravity from a global vector in PhysicEngine to a local vector in Mass
Refactor Ball and Rectangle into derived class of core's Entity
Update the README