Well developed, truly, but not very logical in its concept. The greebles 
should not become smaller and smaller (let's say, have diagonal sides like 

characteristics as before but should end shortly before the diagonal main 
edges of the underground.

The current concept makes it looking perspectively wrong, somehow.

Sven




"Zeger Knaepen" <zeg### [at] povplacecom> schrieb im Newsbeitrag 
news:446a1c88@news.povray.org...
completely rewrote the macros.  It now works with any convex quadrangle (or 
triangle).
(oh, I removed the texture, because I couldn't get the lighting good enough 
:))

cu!
-- 
#macro G(b,e)b+(e-b)*C/50#end#macro _(b,e,k,l)#local C=0;#while(C<50)
sphere{G(b,e)+3*z.1pigment{rgb G(k,l)}finish{ambient 1}}#local C=C+1;
#end#end _(y-x,y,x,x+y)_(y,-x-y,x+y,y)_(-x-y,-y,y,y+z)_(-y,y,y+z,x+y)
_(0x+y.5+y/2x)_(0x-y.5+y/2x)            // ZK http://www.povplace.com

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