Edouard Poor wrote:
> A simple test to simulates a type of corrosion.
> 
> The render uses an ambient occlusion image as the pattern that in turn 
> chooses between bronze or corrosion (modified by a mild slope pattern, 
> and a bit of randomness supplied by bozo).
> 
> Looking at some real bronze statue photographs on the interwebs, I 
> reckon I'm a long, long way from getting real corroded bronze, but at 
> least the general direction looks promising...
> 
> The second image is the ambient occlusion pass.
> 
> Cheers,
> Edouard.

And another one, this time I tried a high-pass filter on the ambient 
occlusion image before using it in the image to localise the placement 
of the corrosion/dirt/mold. I think the effect is a bit better for it.

What do you think?

Cheers,
Edouard.

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