Rotate Spatial to face Camera but only on X and Z

Troubleshooting General Help
1

Use Case:
I want the spatial to chase the camera.
I want it to only rotate around the Y axis when chasing the camera.

I want it to rotate to look at the camera but keep its “feet” on the plane.
How do i convert this code so that it stays on the X and Z plane.

    spatial.lookAt(this.cam.getLocation(), Vector3f.UNIT_Y);

    Vector3f forward = spatial.getLocalRotation().mult(Vector3f.UNIT_Z);
    spatial.move(forward.mult(speed*tpf));

Edit: I tried doing it this way and it seems to work , but still wonder if there is a better way.

spatial.lookAt(new Vector3f(this.cam.getLocation().getX(),spatial.getLocalTranslation().getY(), this.cam.getLocation().getZ()), Vector3f.UNIT_Y);
2

I would calculate the direction vector from your spatial to the camera location and then set the y-value to 0. Apply this direction through lookAtDirection().
Haven’t tried it myself but that would be the way I would do it.

3

I Think the BillboardControl can do that.
You have multiple Settings there and One is AroundY, if I remember correctly.

If Not that Control might be a Good Start anyway

Edit: seeing your Edit you can atleast Clone the camera Location instead of Manually recreating it