I've been interested in using a method like this for collision detection of
oddly-shaped objects...you know, find the volume of the intersection of the
two objects...if it's not zero, then they've collided.  There's probably a
more mathematically correct way of doing it, but often it turns out I can't
be bothered to figure out the necessary maths for doing it "right" when an
approximation will work almost as well...

Cheers,
Joe

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