Drag points and set sliders. Press space to change technique of filling.
This is only a test-so far there's a bug for concave quads, and I don't know how to improve the translucent quad filler, only the opaque one. Special thanks to @JamoHyperTurboPro and @TheLogFather for the tri-filler and format for the translucent raster model (with horizontal lines only).
