1. A game comprising: a game member adapted to be freely held in a hand of a player of said game and moved in three dimensions by the player in order to play the game, the game member adapted to provide an output indicating a player command; a single TV camera adapted to obtain images of said game member as the game member is moved in three dimensions and adapted to obtain images of a body part separate from the hand as the body part is moved in three dimensions; a means to analyze said images obtained by the TV camera to provide three dimensional movement information of at least one of said game member and the body part as the game member and the body part are moved in three dimensions, wherein the three dimensional movement information includes a change in distance relative to said camera; a display providing a video representation of an object; and a computer means to control and to move the video representation of the object on said display using said three dimensional movement information.