Am 2017-06-16 03:35, also sprach Stephen:

> I read the thread and if I understood it*. Sam used an external program, 
> he developed himself, to calculate the positions of the grains.

I, too, use a Java program to position grains. I found SDL to be 
hideously slow when doing a 1600 x 1600 loop. ;)
http://www.buckosoft.com/tteoac/video/frames/ttfo0177.png

I love Sam's idea; pick a position and then alter the blob's shape and 
size to fit the position.


-- 
dik

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