Editing Non-vacuum gravity simulator

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This task minimally involves integrating or implementing a simple rigid body dynamics system that can be used for simulating gravity and basic newtonian physics.  We want to be able to "turn on" the system and have a simulation take over.  For example, you might model a scene with an ambient gravity force, model a firm ground plane, model a box up in the air, then turn on the simulation and watch the box fall to the ground plane onto a flat face.  The system will need to be driven from a single time parameter so that frames can be rendered for animation and other visualization purposes.
 
This task minimally involves integrating or implementing a simple rigid body dynamics system that can be used for simulating gravity and basic newtonian physics.  We want to be able to "turn on" the system and have a simulation take over.  For example, you might model a scene with an ambient gravity force, model a firm ground plane, model a box up in the air, then turn on the simulation and watch the box fall to the ground plane onto a flat face.  The system will need to be driven from a single time parameter so that frames can be rendered for animation and other visualization purposes.
  
A third-party physics system (such as [http://www.ode.org/ the Open Dynamics Engine (ODE)] or  [http://bulletphysics.org/ the Bullet Physics Library]) can and should be used for this project in leu of implementing one, but selection of such a system will need to be discussed beforehand to ensure compatibility and maintainability.  MIT/BSD license is ideal.
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A third-party physics system (such as [http://www.ode.org/ the Open Dynamics Engine (ODE)] or  [http://bulletphysics.org/ the Bullet Physics Library]) can and should be used for this project in leu of implementing one, but selection of such a system will need to be discussed beforehand to ensure compatibility and maintainability.
  
 
=References=
 
=References=
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* Strong familiarity with C/C++
 
* Strong familiarity with C/C++
 
=Past Efforts=
 
* [http://brlcad.org/wiki/Google_Summer_of_Code/2012 GSoC12]
 

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