def test_rotate_trivial(self):
np.testing.assert_almost_equal(
MathUtils.rotate(np.array([[1,0]]),0),
np.array([[1,0]])
)
np.testing.assert_almost_equal(
MathUtils.rotate(np.array([[1,0]]),math.pi / 2),
np.array([[0,1]])
)
np.testing.assert_almost_equal(
MathUtils.rotate(np.array([[1,0]]),2 * math.pi / 2),
np.array([[-1,0]])
)
np.testing.assert_almost_equal(
MathUtils.rotate(np.array([[1,0]]),3 * math.pi / 2),
np.array([[0,-1]])
)
def test_rotate(self, points, radians):
np.testing.assert_almost_equal(
MathUtils.rotate(MathUtils.rotate(points, radians), -radians),
points
)
