def smooth(self):
smoothed_triangles = [Polygon.copy(tr.points) for tr in self.triangles]
for key, value in self.points_to_points.items():
if key in self.bound_points: continue
new_point = Polygon.get_center(value)
for i in self.points_to_triangles[key]:
smoothed_triangles[i].replace_point(key, new_point)
self.triangles = smoothed_triangles
self.calculate_hashes()
return self.triangles
