registerOnTouchHandlerModifyFollowPosition method

void registerOnTouchHandlerModifyFollowPosition(FollowPositionStateCallback? touchHandlerModifyFollowPositionCallback)

Registers for manual follow-position modifications triggered by touch.

The callback is invoked when the camera enters or exits a manually adjusted follow state.

Parameters

• touchHandlerModifyFollowPositionCallback: (FollowPositionStateCallback?) Receives the follow state updates. Pass null to unregister.

Also see:

• FollowPositionPreferences - Configure touch handler behavior in follow position mode.

Implementation

void registerOnTouchHandlerModifyFollowPosition(
  final FollowPositionStateCallback? touchHandlerModifyFollowPositionCallback,
) {
  _touchHandlerModifyFollowPosition =
      touchHandlerModifyFollowPositionCallback;

  GemKitPlatform.instance.filterEvent(
    pointerId,
    'onEnterTouchHandlerModifyFollowingPosition',
    touchHandlerModifyFollowPositionCallback == null,
  );
  GemKitPlatform.instance.filterEvent(
    pointerId,
    'onExitTouchHandlerModifyFollowingPosition',
    touchHandlerModifyFollowPositionCallback == null,
  );
}