US Patent 10437328 Gaze detection using secondary input

Methods of operating an electronic gaming machine are provided. Methods include operating a wagering game on the electronic gaming machine by displaying a game window associated with the wagering game on an electronic display screen of the electronic gaming machine, receiving, using at least one data capture camera device, gaze direction data corresponding to a player, receiving a secondary input from the player, the secondary input being received, evaluating the gaze direction data of the player and the secondary input, performing, by the electronic gaming machine, at least one operation or modification responsive to evaluating gaze direction data and the secondary input.