def __init__(self, *mobjects, **kwargs): start = Group(*mobjects) target = Group(*[ m1.copy().move_to(m2) for m1, m2 in adjacent_pairs(start) ]) Transform.__init__(self, start, target, **kwargs)
def get_winding_number(points): total_angle = 0 for p1, p2 in adjacent_pairs(points): d_angle = angle_of_vector(p2) - angle_of_vector(p1) d_angle = ((d_angle + PI) % TAU) - PI total_angle += d_angle return total_angle / TAU
def region_from_polygon_vertices(*vertices, **kwargs): return region_from_line_boundary(*adjacent_pairs(vertices), **kwargs)