Somrthong wrong with points computation:RuntimeWarning: divide by zero encountered in divide world_coordinates = world_coordinates_homogeneous[:, :3] / world_coordinates_homogeneous[:, 3, np.newaxis]

[Sui0206]

Hi!Thanks for your strong work! And when I tried to reproduce this task in the simulation environment, I encountered the following problems.
/ReKep/og_utils.py:126: RuntimeWarning: divide by zero encountered in divide
world_coordinates = world_coordinates_homogeneous[:, :3] / world_coordinates_homogeneous[:, 3, np.newaxis]

And I found that it seems caused by the code in the og_utils.py:

camera_coordinates_homogeneous = np.hstack((camera_coordinates, np.ones((camera_coordinates.shape[0], 1))))

# additional conversion to og convention
T_mod = np.array([[1., 0., 0., 0., ],
          [0., -1., 0., 0.,],
          [0., 0., -1., 0.,],
          [0., 0., 0., 1.,]])
camera_coordinates_homogeneous = camera_coordinates_homogeneous @ T_mod

After these code, the camera coordinates have some zeros of their w component.
So how to fix this problem?