The lookat object also defines a direction vector, which controls the banking of the target objects.
To use the tool.
Create an object representing a gun.
Select the gun object and create a lookat object so that the gun will point directly towards the lookat object.
Move the lookat object sideways. The gun will be rotated accordingly.
The lookat object defines two options for controlling the rotation:
Pitching On/Off.
Banking On/Offp
These can be set in the property window.