[Particle System] - A New Kind of Science: The NKS Forum
A New Kind of Science: The NKS Forum
Particle System(Click here to view the original thread with full colors/images)
Posted by: Michael Colson
I was looking at some 2d CAs that seem to make explosions and I was wondering if a CA whose elements are treated as point sprites could make a good particle system for video games, or if they are not really suited for that kind of use. What about amount of computation? Are they more computationally intensive than other particle systems?
Posted by: Jesse Nochella
I am not sure. That's a good question, and I've happened to wonder that myself.
For a 3D system I would suspect that a dense array would not be very efficient. I have seen, however, very fast custom implementations of CA's, notably a java applet that can be found at http://www.ibiblio.org/lifepatterns/ . This is obviously doing a little something extra.
One possibility is to use a cellular automaton to compute coordinates that are of a different character from the obvious three-dimensional form we would associate it with. So for instance, the outer edge of a cellular automaton that grows like a crystal in an irregular manner could be used to approximate the locations of particles simulating billowing smoke, maybe, and would be randomized enough to hide the fact that it was computed on a cubic lattice.
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