by dynamically adapting the position of the virtual camera to keep a game object or game character in its viewing frustum, e.g. for tracking a character or a ball

Full Title

Video games, i.e. games using an electronically generated display having two or more dimensions > Controlling the output signals based on the game progress > involving aspects of the displayed game scene > Changing parameters of virtual cameras > by dynamically adapting the position of the virtual camera to keep a game object or game character in its viewing frustum, e.g. for tracking a character or a ball