Input event for gamepad buttons.
Input event type for gamepad buttons. For gamepad analog sticks and joysticks, see [InputEventJoypadMotion].
https://docs.godotengine.org/en/3.2/tutorials/inputs/inputevent.html
- Button identifier. One of the [enum JoystickList] button constants.
- If [code]true[/code], the button's state is pressed. If [code]false[/code], the button's state is released.
- Represents the pressure the user puts on the button with his finger, if the controller supports it. Ranges from [code]0[/code] to [code]1[/code].