*That's some heavy-duty work with the occlusion and those obstacles.
"Uploaded by hitlabnz on Jun 8, 2011
"Augmented Reality Micromachines(ARMM) is a car racing game that let players turn their desks into the race courses. ARMM utilizes Microsoft's Kinect for table-top reconstruction, Bullet for the physics simulation and Openscenegraph for rendering. This demo has been submitted to SIGGRAPH Asia 2011."