This may be slightly old, but still interesting to see. During the motion capture of the car chase scene that was recorded for Metal Gear Rising a few days ago, Yuji Korekado (the man in charge of the game) posted some photos on his Twitter. The most interesting one being this one, of a wooden katana with motion capture markers on it:
Additionally, he posted some other pictures of the motion capture session.
Korekado writes additions and modifications were being made on the fly
Rising’s scenario writer suddenly has to join in
Source: Yuji Korekado’s Twitter