for altering the visibility of an object, e.g. preventing the occlusion of an object, partially hiding an object

Full Title

Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game > Methods for processing data by generating or executing the game program > for rendering three dimensional images > for altering the visibility of an object, e.g. preventing the occlusion of an object, partially hiding an object