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"Bill Pragnell" <bil### [at] hotmail com> wrote:
> Looks pretty convincing to me!
Thanks... hm... you really think so? Well, maybe I'm just being too
perfectionistic again...
> If those aren't already isosurfaces, what are they?
Hehe - well, in a way they are: After all, blobs can be regarded as a
specialized type of isosurface, right?
The bricks are plain vanilla CSG objects at the core (boxes, tori and
cylinders), but with the surface "eroded" irregularly using blob-sphere
"swarms" placed slightly above the original surface using the trace() function.
The mortar is basically a slightly modified version of the basic brick shape,
partially "chipped off" using the same principle with much larger blob-spheres
for the rough shape, before being union'd to the brick and the resulting shape
"roughed up" as described above.
Add some straightforward normal bumps for the fine-grained stuff.
Without any of the bells & whistles, it looks like this...
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