Open litte_town scenario.
You can select then tab 3D Editor to switch to the OSG view.
Use the mouse to change the view and the mouse roll to change the zoom.
Load (or compile) the Simulation Engine.
You will need a joystick or game pad to run the demo.
Press O to get the Head View.
Have a look at ScnCam logic for all keyboard shortcuts.
Use the joystick/gamepad to move around.
To shoot, depress the joystick Fire knob.
