\>   The real trick is plane texture. I found out a way to create checker
bump.
> It is multiplication of 2 perpendicular sines (sin(x)*sin(z)), powered and
> normalized into range of (0, 1). This pattern looks like blurred checker
and
> appears to be very suitable for bumping. If you want more detailed
> description, I'll post the source.

I'd be very interested.

>   I'll be glad to receive comments.
>   By the way, I'm going to move to another city, Kiev, about 1000 km far
> from mine. I was suggested to become a game developer. I Hope, I will find
> time to create scenes and to post them here. Wish me good luck, please.

I'd love to know which games so I can see more of your work!

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