Great! This is very, very helpful.
I'll try both methods.
Just for the sake of argument: could the opposite of Rob's method be done?
So, instead of checking the three vertices in 2D, calculate three points in 2D and then project them into the 3D-world.
I'll try both methods.
Just for the sake of argument: could the opposite of Rob's method be done?
So, instead of checking the three vertices in 2D, calculate three points in 2D and then project them into the 3D-world.