"Kevin Wampler" <wam### [at] uarizonaedu> wrote in message
news:39A55D28.B3756031@u.arizona.edu...
> for the base of the cloud, what I had in mind, but didn't get around to
doing,
> was to use a function like exp(-y^2) or max(0, 1-y) or some such thing to
have
> the clouds fade out (not a slow fade though, just not a sudden chop) at
the
> bottom.

I've been tinkering with it a bit more, that is some fine work that you
started with, i think mine looks a bit too painted though, i'll have to cut
the turbulence down a bit, and that'll speed it up. I'll give what you said
a try I was thinking something along those lines too

Cheers, Kev

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