3D gaming: what the future holds

"I mean, if you look at a good, pre-rendered 3D animated movie, like the recent Shrek, for example, that stuff is rendered on huge server farms to produce a very realistic-looking thing, modelling hair on characters on a strand-by-strand basis, or whatever. I mean, even to do that kind of thing on a PC, we would need hardware thousands of times faster than we have today.

"And even that, if you think about it, is just a cartoon! So what you really want is photorealistic rendering. You want ray-tracing. You want reflections and refractions of light. You want proper physics, at a particle level. You could go on forever on this…