ScaleEvent class Null safety
Two pointers has made contact with the device.
- XGestureDetector.onScaleUpdate, which allows callers to be notified of these events in a widget tree.
- focalPoint → Offset
the middle point between 2 pointers(causes by 2 touching fingers)
- hashCode → int
The hash code for this object.
- rotationAngle → double
the rotate angle in radians - using for rotate
- runtimeType → Type
A representation of the runtime type of the object.
- scale → double
The delta distances of 2 pointers between the current and the previous