Le 2024-10-14 à 13:38, Bald Eagle a écrit :

> I also wonder what that would yield if smooth_triangles were rendered, with 1
> vertex set "up" or "toward", one perpendicular to the direction / parallel to
> the view plane, and one "down" or "away".
> 
> - BW
> 

In that case, I would expect the normal to get interpolated between the 
two, causing part of the triangle to be treated as outside and part to 
be treated as inside. So, smaller red triangle or a red trapezoid to be 
visible depending if 1 or 2 of the normals are pointing the wrong way.

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