moveRaw method

Implementation

bool moveRaw(
  LatLng newCenter,
  double newZoom, {
  Offset offset = Offset.zero,
  required bool hasGesture,
  required MapEventSource source,
  String? id,
}) {
  // Algorithm thanks to https://github.com/tlserver/flutter_map_location_marker
  LatLng center = newCenter;
  if (offset != Offset.zero) {
    final newPoint = camera.projectAtZoom(newCenter, newZoom);
    center = camera.unprojectAtZoom(
      camera.rotatePoint(
        newPoint,
        newPoint - offset,
      ),
      newZoom,
    );
  }

  MapCamera? newCamera = camera.withPosition(
    center: center,
    zoom: camera.clampZoom(newZoom),
  );

  newCamera = options.cameraConstraint.constrain(newCamera);
  if (newCamera == null ||
      (newCamera.center == camera.center && newCamera.zoom == camera.zoom)) {
    return false;
  }

  final oldCamera = camera;
  value = value.withMapCamera(newCamera);

  final movementEvent = MapEventWithMove.fromSource(
    oldCamera: oldCamera,
    camera: camera,
    hasGesture: hasGesture,
    source: source,
    id: id,
  );
  //! PREVENTS TILE LOADING IF SOURCE NOT CONFIGURED IN CONSTRUCTOR
  if (movementEvent != null) _emitMapEvent(movementEvent);

  options.onPositionChanged?.call(newCamera, hasGesture);

  return true;
}