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On Wed, 29 Sep 1999 18:23:51 +0200, Rico wrote:
>Hi all,
>
>I would like to know if it's possible to define a box as an isosurface ?
>
>In other words, is it possible to create realistic bricks with boxed
>isosurfaces and some "noise" (granite for example) ?
Try this:
#declare c1=<-2,-1,-3>;
#declare c2=<1,3,2>;
#declare x1 = c1.x;
#declare y1 = c1.y;
#declare z1 = c1.z;
#declare x2 = c2.x;
#declare y2 = c2.y;
#declare z2 = c2.z;
isosurface {
function {((x-x1)*(x-x2))&((z-z1)*(z-z2))&((y-y1)*(y-y2)) +
.2*noise3d(5*x,5*y,5*z)}
threshold 0
bounded_by { box {-5,5}}
texture {
pigment {color rgb 1}
finish {diffuse .5 specular .3 ambient .2 roughness .001}
}
}
light_source { <-20,20,-20> rgb <1,.8,.8>}
light_source { <20,20,-20> rgb <.8,.8,1>}
camera {location <2,5,-12> look_at 0 }
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