Input event type for screen touch events. (only available on mobile devices) Stores multi-touch press/release information. Supports touch press, touch release and [member index] for multi-touch count and order. https://docs.godotengine.org/en/3.1/tutorials/inputs/inputevent.html Touch index in the case of a multi-touch event. One index = one finger. Touch position. If [code]true[/code], the touch's state is pressed. If [code]false[/code], the touch's state is released.