Computer Game programmer at NinjaTheory:
One of the many trailers you can find on the web. Among other stuff, I did the hair and cloth and ported them on the PS3 SPU.
Real-time cloud, but they never made it into the game as it turned out to be too greedy with the fill-rate... Here are two sneaky previews of what it could have been cloud0.avi and cloud1.avi.