But not your normal clouds...

I'm going to try and copy these clouds so I can have them flying over my
arena.

http://www.sketchdomain.com/Screencaps/Clouds01.png
http://www.sketchdomain.com/Screencaps/Clouds02.png
http://www.sketchdomain.com/Screencaps/Clouds03.png
http://www.sketchdomain.com/Screencaps/Clouds04.png
http://www.sketchdomain.com/Screencaps/Clouds05.png
http://www.sketchdomain.com/Screencaps/Clouds06.png

Any tips?  I think I can get something close by modeling each cloud by
itself as a prism and playing with a very complicated finish/texture.
However I think there might be a better/simplier way if I could define the
sky as a 2D array full of 1's and 0's.  The 1's being a square filled with
cloud and the 0's being open sky.  However I'm at a loss as to how to turn
such an array into the shape I need to finish/texture and aside from
manually creating the array to been with I'm not sure as to the best way to
create the array.  I was hoping I could specify a sky that was 20% cloudy
and fill the array with 80% zeros and 20% ones and have some procedural way
the ones would cluster themselves together to form the clouds.  In my mind
the array should be periodic so clouds could wrap around the edges.  I
think that would make animating them simplier. I'm open to tips or code
anyone is willing to share.  If I'm out in left field and there is a better
way to do this let me know.  If I have time this weekend I'll make one
cloud using prism to see if I can get the texture I want however I think
that should be the easy part.

Thanks,
Carl

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