new(?attachment:FlxGamepadAttachment)
leftStick:FlxTypedGamepadAnalogStick<TInputID>
rightStick:FlxTypedGamepadAnalogStick<TInputID>
@:value(false)supportsMotion:Bool = false
@:value(false)supportsPointer:Bool = false
getAnalogStick(ID:FlxGamepadInputID):FlxTypedGamepadAnalogStick<TInputID>
isAxisFlipped(axisID:TInputID):Bool
Whether this axis needs to be flipped
isAxisForMotion(ID:TInputID):Bool