Patent ID: 6769988
Filing Date: 2004-08-03
Classification: A63F

Abstract:
An entertainment unit used by being connected to an operation unit, having an operation stick, and to a display unit, with the entertainment unit being characterized by comprising:a means for performing a process of generating an image of an object so as to be displayed on a display screen of a display unit; a means for receiving a signal indicating the location of a point displaced in accordance with an operation received by said operation stick from said operation unit; a means for calculating a displacement amount according to an angular displacement of the point around a preset coordinate origin based on said signal showing the position of the point; a means for calculating a distance from the preset coordinate origin based on said signal showing the location of said point; and a means for setting an evaluation value for an operation object based on said distance and said calculated displacement amount; wherein said means for performing a process of displaying an image of said object alters the condition of said operation object among the objects displayed on said display screen based on said calculated displacement amount.