Adding first person mode.
Updating more conservatively.
Create a new viewport to display camera's details.
Adding FirstPersonWalkingOnTheBoard mode.
Positioning camera in the middle of the screen.
Fixing FirstPersonWalkingOnTheBoard mode.
Fixing the FirstPersonWalkingOnTheBoard mode again.
A TODO added.
Hashing-out some unnecessary stuff.
Correcting the orientation of the model.
Forcing rebuild of the view matrix.
Loading all cells.
Removing information about number of objects.