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On Wed, 05 Dec 2001 10:05:06 -0500, "Timothy R. Cook"
<tim### [at] scifi-fantasy com> wrote:
> Is there a way to rotate an object around its local coordinate
> axes?
I'm not sure I understand but perhaps this could help. At first you can use
plane instead of box. You can calculate plane parameters from points A,B,C.
Normal of this plane is cross product of vectors BA and CA. Then you have to
translate this plane to point A. I hope it is correct and possible with Moray.
I've never used this modeler.
ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35
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