Reference:Onion Pattern
Revision as of 22:28, 11 March 2012 by Jholsenback (talk | contribs) (1 revision: Initial Load (TF))
The onion
is a pattern of concentric spheres like the layers
of an onion. Value = mod(sqrt(Sqr(X)+Sqr(Y)+Sqr(Z)), 1.0) Each
layer is one unit thick.