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On 13 Jul 2001 03:31:10 -0400, Jim Snow wrote:
>
>
>Ryan Constantine <rco### [at] yahoo com> wrote in article
><3B4E660E.5D7C1577@yahoo.com>...
>> cool except for one thing. from your picture, it looks like it is a 2d
>> pattern, not a 3d one. bummer.
>
>I think the algorithm can be generalized to 3d (but it might be beyond my
>ability to do so), however there would be a problem with the mortar joints
>parallel to the surface of the object occasionally being at the surface of
>the object, resulting in an oddly textured block. It might not be that big
>of deal, but it would probably be annoying to anyone who just wants their
>stone wall to look good from one side.
Quite true. That happens with bricks and with crackle occasionally as
well.
--
plane{-z,-3normal{crackle scale.2#local a=5;#while(a)warp{repeat x flip x}rotate
z*60#local a=a-1;#end translate-9*x}pigment{rgb 1}}light_source{-9red 1rotate 60
*z}light_source{-9rgb y rotate-z*60}light_source{9-z*18rgb z}text{ttf"arial.ttf"
"RP".01,0translate-<.6,.4,.02>pigment{bozo}}light_source{-z*3rgb-.2}//Ron Parker
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