TinCanMan <Tin### [at] hotmailcom> wrote:
> You may want to make use of the 'slope' pattern

  Not good if you want it to work when the object is viewed reflected from
another surface.
  The slope pattern fixes the "angle of incidence", while with variable
reflection the angle of incidence is the true angle of incidence, regardless
of where does the ray come from.

-- 
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -

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