Simulator

Question

hi...

im doing  bachelors in computer engineering from national university of science and technology islamabad(pakistan)..and im final year student.im working on a project which is rpg simulator.im doing work on johnny lee head tracking using wii mote...in his project he made a 3d rum and some targets in it...i want that the 3d room and target in replaced by a 3d(like first person shooter game) scene in which tank are moving.can u help me.if u can reply me as soon as possible because i don't have time.i have only 20 days left for my presentation..