As a virtual plane used when converting a designation point, which is a touched position on a touch panel, into a control point, in a virtual three dimensional space, used for controlling a movement of an object, a first virtual plane is used when a ball is an object to be controlled; a second virtual plane is used when an object to be operated is a dog and an action mode thereof is an attention mode; a third virtual plane is used when the object to be operated is the dog and the action mode thereof is a lick mode; a fourth virtual plane is used when the object to be operated is the dog and the action mode thereof is a rope shake mode; and a fifth virtual plane is used when the object to be operated is the dog and the action mode thereof is a circle mode.