Chris Huff wrote:
> 
> It simply recursively divides the triangles into 3 triangles with a new
> point at the center, and moves the center point in a direction along the
> normal of the triangle. The two vaguely sphere-like objects had a
> positive displacement, the one that looks like an engraved tetrahedron
> had a small negative displacement.

Sounds interesting, looks a bit like something wrapped with plastic.

> Another method, which I am going to try soon, would divide the triangles
> into 4 parts, one center and 3 corner triangles, but the method I used
> for these keeps the edges of the original shape intact.
> 

That method could look much like heightfields generated with subdivision
algorithms like Terrain maker. Structures then much depend on how you
calculate the displacements.

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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