The camera classes provided by the library can be navigated around in the scene using mouse and/or keyboard input. In addition, the programmer can develop own camera implementations or override or extend the standard controls. Thus, user controls can be freely programmed.
OrbitCamera
Mouse move with left button pressed: orbit around a center
Mouse move with right button pressed: move the center parallel to the move in the projection plane
Mouse wheel, E-key, Q-key, Num-block-keys 05: zoom out / in resp. move to / away from the center