Using an HTC Vive, we are tracking the “Real” camera in physical space in all 6-axis. At that point the position & rotation data is sent into Unreal Engine to mimic the movements onto the “Virtual” camera. Every small movement you make is translated into a virtual space that is now rendering in real-time thirty times a second.
At this point we do some good old fashion compositing and your actor is now in a Virtual Production, in real-time, no post processing required.