In a simulation game machine for play on the basis of images of three-dimensionally constituted terrain features and characters which are represented as if viewed from a prescribed camera within a virtual space, allows the viewing point to be shifted in three dimensions while looking over a stage, thereby...http://www.google.co.uk/patents/US7573479?utm_source=gb-gplus-sharePatent US7573479 - Graphics processing device, graphics processing method, game machine, and storage medium
