[OpenSCAD] degenerate polyhedron faces ok?
avm4 at cornell.edu
Mon Nov 18 20:24:15 EST 2019
Is it legal to give a polyhedron faces that have zero area, e.g. a face like
[ [0,0,0],[0,0,0], [0,0,1],[0,0,1]]? Or a degenerate "triangle" like
[[0,0,0],[0,0,0],[0,0,1]]? What about a completely degenerate faces where
all vertices are equal?
In trying to implement a certain degenerate case in my code I have used some
degenerate faces and it appears to work. (I can render, and add multiple
polyhedra to the model.) But I wonder if there might be hidden problems.
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