alright. Getting tired after a day of tweaking.
Second, overhauled, StepNoise version. Several things learned:
- to be careful with the /scale/ of the grains. This is as good as I
dare to go. Larger minerals become increasingly unbelievable, so one
needs to find the balance (as with the turbulated cells obviously, but
StepNoise does a much better, although not perfect, job).
- the mask for the pigment_pattern needs a /very/ careful adjustment.
The present one is good but could probably be improved further. Good
enough for now.
- white grains are present but hardly visible. In the first version they
were placed at the wrong place within the colour_map, rendering rings
instead of mineral grains. Corrected that but need now to be enhanced a bit.
- sslt would probably increase realism, even in the frosted version. I
am going to look into that.
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