now you can draw triangles with offscreen vertices
triangle pseudocode: https://paste<remove>bin.com/ujfDsGda intersection polygon guide: https://stackoverflow.com/a/18330779/12393216 line clipping: https://en.wikipedia.org/wiki/Liang%E2%80%93Barsky_algorithm point in triangle: https://stackoverflow.com/a/14382692/12393216 my previous way of calculating the individual triangle r values was direct and works for any polygon, but oh my god just measuring from the incenter is so much easier
