I am just learning OpenGL and am hoping that
the following is (easily) possible.
I have a 3D object whose surface
is defined by simple polygons (triangles in
this case). As we know, only the “front”
polygons are visible in hidden line mode.
Is it possible to identify these polygons?
I’m thinking that once the hidden line removal
algorithm does its work, the display buffer
contains only the 2D screen drawing lines,
but I’d like to identify the 3D polys these
I hope my question is clear and makes sense.
Thanks for any help,