Unintentional rotation of the map when zooming in or out

[Steeve-movi]

What is the bug?

Unexpected map rotation when zooming on mobile devices

Description

Hello flutter_map team,

I noticed an unexpected behavior when using flutter_map on mobile devices.

When performing a pinch-to-zoom gesture, the map sometimes rotates automatically even though the user did not intend to rotate the map.

Steps to reproduce

1. Open a Flutter application using flutter_map.
2. Display a map on an Android or iOS device.
3. Use two fingers to perform a normal pinch zoom gesture.
4. Slightly move the fingers during the zoom action.

Expected behavior

The map should only zoom in/out and keep the current rotation unchanged.

Actual behavior

The map rotates during the zoom gesture without an explicit rotation gesture from the user.

Environment

• Package: flutter_map
• Platform: Android / iOS
• Device: Physical mobile device
• Flutter version: [add version]
• flutter_map version: [add version]

Possible improvement

It could be useful to add a gesture threshold or a configuration option to disable accidental rotation during pinch zoom, especially on mobile devices.

Thank you for your work on this package.

unintentional_rotation._map.mp4

How can we reproduce it?

How can we reproduce it?

1. Create a Flutter app using flutter_map.
2. Add a FlutterMap widget with default gesture interactions enabled.
3. Run the app on a physical mobile device (Android/iOS).
4. Place two fingers on the map and perform a normal pinch-to-zoom gesture.
5. While zooming, slightly change the distance/position of the fingers (without intentionally rotating).

The map may start rotating even though no rotation gesture was intended.

Do you have a potential solution?

No response