PanTilt.fromInt constructor
helper to allow an int for 1 - 10000 in place of the double
Implementation
factory PanTilt.fromInt({int x = 1000, int y = 1000}) => PanTilt(
rawX: (x == 0 ? 0 : (x / 10000)).toString(),
rawY: (y == 0 ? 0 : (y / 10000)).toString());