pinchZoomThreshold property
Pinch Zoom threshold default is 0.5 Map starts to zoom when pinchZoomThreshold has been achieved or another multi finger gesture wins which allows MultiFingerGesture.pinchZoom
Note: if flags doesn't contain InteractiveFlag.pinchZoom or enableMultiFingerGestureRace is false then zoom cannot win.
Implementation
final double pinchZoomThreshold;