1. A gaming terminal for playing a wagering game, the gaming terminal comprising: a controller; a touch surface for actuation by a player gesture associated with an input to the wagering game; a sensor array underling the touch surface to sense the motion of the gesture, the sensor array coupled to the controller, wherein the controller: converts the sensed motion to corresponding gesture data indicative of the gesture made by the player, and determines from at least a portion of the gesture data a trajectory of an intended gesture that differs from the gesture made by the player; and a display coupled to the controller to display movement of an object image during the wagering game based on the trajectory of the intended gesture.