1. Put a Strider down in the editor
2. Play as the commander
3. Press "Head Roll Left"/"Head Roll Right" keys (default Ctrl+Q and Ctrl+E) or equivalent TrackIR motion to roll the view
4. Observe the shift in relative angle between the window frames and objects in the terrain outside, and the movement of shadows cast on surfaces inside the vehicle
5. Switch to another position in the vehicle (driver, gunner or passenger) and perform the Head Roll again
6. Notice that terrain objects maintain their relative angle to the window frames and shadows do not pan around.