Camera#bounds

The Camera is bound to this Rectangle and cannot move outside of it. By default it is enabled and set to the size of the World.
The Rectangle can be located anywhere in the world and updated as often as you like. If you don't wish the Camera to be bound
at all then set this to null. The values can be anything and are in World coordinates, with 0,0 being the top-left of the world. The Rectangle in which the Camera is bounded. Set to null to allow for movement anywhere.