Assignment 4:

The zip file contains the source code, project workspace and file 
(I used Vc++) and the exe program.

The program basically shows a skybox and a flat terrain. Navigation is
via the UP, DOWN, LEFT and RIGHT keys (as all my other assignments use).

In addition, the letter 'T' is assigned as the key for take-off and 'L'
for landing. These 2 keys only affect the y value, so the camera
(doubling as the flying machine) only moves up and down if the UP
arrow key is not pressed at the same time as well.

