Embodiments of the invention include a method of performing a bonus event in a gaming machine that produces a gaming outcome. The method for performing a bonus event includes displaying a three-dimensional character; modifying the character based on one or more user selections; and controlling the character...http://www.google.es/patents/US7874900?utm_source=gb-gplus-sharePatente US7874900 - Displaying 3D characters in gaming machines
