Alain <aze### [at] qwerty gov> wrote:
> It looks like the encaved parts are instead coming out of the surface.
> With the light coming from the top right, the left side should be
> brighter and the right dark. Maybe using a negative of your bump_map
> could give beter results.
yes, i probably need to flip the function, but it still produces
3 patters instead of one.
the height of the normals is also not the problem, because making
the function smaller makes the patters more faint but does not move
the 3 patterns closer together.
i dit some testing with making the function a normalised vector and
change the direction of the vector depending on the function, but that
did not do the trick either.
jaap.
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