Patent ID: 6917371

Claim:
A game device for displaying, as a picture, an object moving in accordance with developments of a game, said game device comprising: displaying means for displaying an object moving virtually in a three-dimensional virtual space; means for calculating a present position of said object; and trace mark drawing means for drawing a trace mark in length within a predetermined range from said present position according to a movement of said object, said trace mark comprising a plurality of polygons, and for gradually extinguishing said trace mark starting from a rear section of said trace mark by progressively making said rear section lighter in color and moving toward a front section of said trace mark with a lapse of time, wherein said polygons toward the rear of said trace mark disappear first, said trace mark drawing means extending only a top position of said trace mark when said present position of said object is located less than a predetermined value apart from the top position of a drawn trace mark, each polygon constituting a trace mark being continuously adjacent to each other.