Module polygon2d 

2D polygon operations: clipping, filleting, chamfering, and segment detection.

Functions

chamfer_polygon_2d

Cut all corners of a 2D polygon with flat bevels.

cross_2d

Cross product of vectors (b-a) and (c-a).

fillet_polygon_2d

Round all corners of a 2D polygon with arc approximations.

find_common_segments

Find common (collinear, overlapping) edges between two polygons.

sutherland_hodgman_clip

Sutherland-Hodgman polygon clipping algorithm.