Patent ID: 7014562

Claim:
A video game machine in which a gamer operates motion of a character in a virtual space, displayed on a display unit, by using operating means, said video game machine comprising: position information storing means for storing a predetermined number of pieces of position information of a display object in the virtual space, which is specified in contents of a game, with the pieces of position information obtained for predetermined time of period before the present time; status monitoring means for monitoring a status of said display object and determining that the status enters an after-image display status when said display object is in a specific status; calculating means for calculating a motion vector based on the position information stored in said position information storing means when the status of said display object enters the after-image display status and calculating an amount of deformation of said display object along a direction of said motion vector; and display control means for displaying the after-image of said display object at the position of said display object at past time, which is stored in said position information storing means, based on the result obtained by said calculating means.