Abstract: A game apparatus calculates a load value detected by a load controller, and a center-of-gravity position of a player, at predetermined time intervals. Based on the calculated center-of-gravity position, the game apparatus firstly determines whether or not the center of gravity moves, and determines the direction of the movement. Then, the game apparatus determines a change of the load of the player within a predetermined time period. When the amount of increase of the load is equal to or higher than a threshold value, the game apparatus determines that the player swings his/her hip in the direction in which the center of gravity moves.

Abstract: A game controller includes at least four load sensors for detecting a load applied on a support board on which player's legs are ridden, and the game controller transmits a load value detected as manipulation data by the four load sensors to a game machine. The game machine determines a necessary quantity of load values, and the game machine computes the necessary quantity of load values based on the detected load value from the game controller. Then, game processing is performed based on the necessary quantity of computed load values.

Abstract: A game apparatus calculates a load value detected by a load controller, and a center-of-gravity position of a player, at predetermined time intervals. Based on the calculated center-of-gravity position, the game apparatus firstly determines whether or not the center of gravity moves, and determines the direction of the movement. Then, the game apparatus determines a change of the load of the player within a predetermined time period. When the amount of increase of the load is equal to or higher than a threshold value, the game apparatus determines that the player swings his/her hip in the direction in which the center of gravity moves.