This conservation of energy idea is cool.   Someone suggested it back when I
was trying to model the solar system back in 2002, but I think I got it now.


OLD SYSTEM:
    particle at   p with velocity v
    p=p+v/constant
    a=sum of forces based on new surroundings
    v=v+a/constant

    repeat for every frame of animation, giving extreme energy losses.




NEW PROPOSED SYSTEM:
    particle at p with velocity v and kinetic energy K
    p=p+v/constant
    calculate work done by moving along/against all forces in x,y, and z.
        this gives a delta to old kinetic energy K.

    okay now I'm lost

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