The altitude (in radians) of the stylus.
- iOS 9.1+
- Mac Catalyst 13.0+
- tvOS 9.1+
A value of
0 radians indicates that the stylus is parallel to the surface. The value of this property is
Pi/2 when the stylus is perpendicular to the surface.
Getting Touch Attributes
The number of times the finger was tapped for this given touch.
The time when the touch occurred or when it was last mutated.
The force of the touch, where a value of
1.0 represents the force of an average touch (predetermined by the system, not user-specific).