def make_triangles(self):
polyline = []
triangles = []
for p in self.points_list:
polyline.append(p.get_coord())
this_polygon = None
for i in range(5):
try:
this_polygon = poly2tri.Triangulator(polyline)
break
except:
pass
if not this_polygon:
return None
for triangle in this_polygon.polygons:
point_a = Point()
point_a.set_coord(triangle[0].x, triangle[0].y)
point_b = Point()
point_b.set_coord(triangle[1].x, triangle[1].y)
point_c = Point()
point_c.set_coord(triangle[2].x, triangle[2].y)
this_triangle = Triangle()
this_triangle.set_point_by_points(point_a,
point_b,
point_c)
triangles.append(this_triangle)
return triangles
