SOLUTION:
a. if you are just switching to OPENGL/P3D for FPS, use this solution from rufsketch 1 in your main to get back your hard lines
b. if you need to have edges not blurry in FX2D,
- I don’t know what to do for you, but you can put research into the link given by Chrisir
> FX2D noSmooth(), textureSampling? - You could also look into using a sharpening filter, while I abandoned this idea, this may be helpful, as I got quite a lot of resources together about it:
> I need help with optimization of a basic sharpening algorithm - #5 by F53