> When calculating the normals, do I use the remaining two triangle vertices, or
> the orthogonal edge vectors of the square?
You lost me here with the "orthogonal edge vectors of the square".
I would always use triangle vertices.
> Do I normalize the vectors before using vcross()?
I never do.
> Do I normalize the resulting vertex normal vectors?
Yes! Well, I usually do mesh2, I add all the normals for a point togather then
How are you filling the smooth_triangle.
From the sound of it, a normal and a triangle values may be switched.
Hope this helps some.
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