Ok, sorry about the joke. No, unfortunately flash can't handle 1million particles at 30fps in a G4...

Anyways... here is the real explanation... There isn't much to explain really, the effect is very simple, in fact, it's about 1kbyte in size...

Basicaly, you use anything as input, copy it to a bitmapData that you're blurring and offseting verticaly, and on top of that you have to put a greyscale Perlin Noise texture, also scrolling verticaling in BlendMode.OVERLAY.



Take a loot at the Source file

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