astatine-opengl

yet another rewrite, hopefully final
written in odin (<3) using glfw with opengl 4.3

code help from:

• https://github.com/Cakez77/terraria_clone
• https://gist.github.com/gingerBill/b03c2ea6ed693034a609e56076fda3dc

also check out:

• https://learnopengl.com/In-Practice/2D-Game/Breakout
• https://www.opengl-tutorial.org/

another rewrite when jai comes out? :)