Yeah, i try to learn by starting to do the stuff i have in my head and learn more and more about the habbits of the engine by solving the problems.
The link you provided is very nice, especialy seeing that it is really just about the camera and no other stuff. What is a little bit a problem for me is the, unclean way he works. It is not the best to provide a tutorials on a specific task if you have not solved the problems, wich is, in his case, not a small one. putting an enourmus mash to provide his solution from bugging is just dirty, but anyway, it helped me to understand and he asked the community to help providing a better solution. But this is going to be a bit much of OT, so thanks for the help, we will read us 