> The entire algorithm is built around the assumption that snow doesn't
> blow around *that* much. Otherwise, the entire horizontal surface of the
> lower platform would be covered. It's an excellent fake still. Just
> pointing out one little area that might be improved.

The algorithm is very straightforward and simple: place samples and remove
undesired ones (e.g. a macro removes the samples underneath the "roof" of
the CSG object, but not on the edges, as some snow could have fallen there)
and as a last step: check for every particle if there's a wall and how close
it is to the particle.

I intend to make a modifying macro, which will modify the heights of such
particles. With the proper setup, such spots can be corrected manually, as
well as introducing some more "natural" randomness into the distribution.
Overall, the system is designed to just provide the basic building blocks,
and then some work is required to model it to perfection. It's less a "real"
simulation than more a hybrid system of various sampling methods to select
and modify particles.

But thanks for the feedback. :-)

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

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