>
http://www.math.duke.edu/education/ccp/materials/diffcalc/raindrop/rain1.html
> That's partly chinese for me though :p

Well, actually, that's algebra... :-)

Still, those links explain a more or less accurate particle system to create
raindrops, e.g. terminal velocity (the velocity after which air resistance
stops the raindrop from getting any faster) in relation to it's size,
gravity in relation to it's mass, etc. What Tim is doing here though is
completely different and thus the formulae aren't really applicable (always
wanted to use that word with sense :-).

Still, if he'd switch to a function, it might be possible to transform the
pattern for the rain-media to look slightly curved... (Just hinting at
something, won't dive deeper into this...)

Regards,
Tim

-- 
"Tim Nikias v2.0"
Homepage: <http://www.nolights.de>

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