The scaled tilt values of the pointing device that generated this event.
- macOS 10.4+
This property’s value can range from -1.0 to 1.0 for both axes. A negative x-coordinate value indicates a tilt to the left and a positive value indicates a tilt to the right; a negative y-coordinate value indicates a tilt to the top and a positive value indicates a tilt to the bottom. If the device is perfectly perpendicular to the table surface, the values are 0.0 for both axes. This property is valid for mouse events with subtype
NSTablet and for