Over thousand particles with little scalings on the buffer bitmap can look really sweet.
I’ve coded them with 120 fps just for my entertainment, but decided after a while to store some of them. In firefox they slow down to 30fps on my computer. Make sure, you see them with the internet explorer, with provides still faster flash movies. The class is always in the same folder called PerlinForce.as.
Compile them with these parameters: -default-size 256 256 -default-frame-rate 120 -optimize. Do not expect documented code. The complete movement comes from a perlinnoise, where the pixels get they vectors from.
Links removed since sources were not updated to FP9 (was 8.5)