def rotate_point(center, point, angle):
m21 = math.sin(angle)
m11 = m22 = math.cos(angle)
m12 = -m21
dx = center[0] - m11 * center[0] + m21 * center[1]
dy = center[1] - m21 * center[0] - m11 * center[1]
trafo = [m11, m21, m12, m22, dx, dy]
return apply_trafo_to_point(point, trafo)
def rotate_point(center, point, angle): m21 = math.sin(angle) m11 = m22 = math.cos(angle) m12 = -m21 dx = center[0] - m11 * center[0] + m21 * center[1]; dy = center[1] - m21 * center[0] - m11 * center[1]; trafo = [m11, m21, m12, m22, dx, dy] return apply_trafo_to_point(point, trafo)