reverse particle system

[Stroker]

In no particular order:
Make a sphere.
Flip the normals.
Delete any unwanted faces/polys.
Turn it into a PArray.
Make the sphere unrenderable in your favorite manner.
All of the particles should shoot towards the center of the sphere.
Then it's just a matter of tweaking whatever in the PArray.

Something like that.

[googlo]

YOu can also make particles go in reverse literally by first making a particle system, then making a mesher from it and using the point cacher modifier on the mesher to recorde the frames in reverse order. It gets buggy sometimes but it's worked as a test.

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