Physical Modeling

[Bush, Stephen F (Research)]

Does anyone have a "billiard ball" Swarm implementation that 
has reasonably faithful physical behavior that they would be 
willing to contribute? I'm thinking of nodes representing balls
with force and mass attributes that collide with some amount
of reality, perhaps including friction/gravity or some other
damping force.

I took a brief look at the contributed code, but was not sure
which, if any, package implemented something like this.

Thanks,
Steve Bush

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