The idea of being able to explore the 3D environment of a game while still monitoring the progress of a single person is far from a new idea, but research is starting to trend toward making that pipe-dream a reality. Streaming services like Twitch take a single player's rendered view of a game and broadcast it out to thousands of viewers as a 2D video stream, an approach that helps further popularize video games as a spectator sport. The ability for users to change the perspective of the l...