move method

Future<void> move(dynamic center, double? zoom, [ bool animate = false ])

Implementation

Future<void> move(dynamic center, double? zoom,
    [bool animate = false]) async {
  log('MapStates move $center $zoom');

  if (center is String) {
    center = await findLocation(center);
  } else {
    center = LatLng.from(center);
  }

  if (center == null) {
    return;
  }

  if (animate) {
    _moveAnim = CurvedAnimationController.tween(
      LatLngTween(begin: _center, end: center),
      const Duration(milliseconds: 300),
      curve: Curves.ease,
      vsync: _vsync,
    );

    _zoomAnim = CurvedAnimationController(
      begin: _zoom,
      end: zoom,
      duration: const Duration(milliseconds: 300),
      curve: Curves.ease,
      vsync: _vsync,
    );

    _moveAnim?.addListener(() {
      _move(_moveAnim!.value, _zoom);
    });

    _zoomAnim?.addListener(() {
      _zoom = _zoomAnim!.value;
    });

    _moveAnim?.addStatusListener((status) {
      if (status == AnimationStatus.completed) {
        _moveAnim?.dispose();
      }
    });

    _zoomAnim?.addStatusListener((status) {
      if (status == AnimationStatus.completed) {
        _zoomAnim?.dispose();
      }
    });

    _moveAnim
      ?..reset()
      ..start();
    _zoomAnim
      ?..reset()
      ..start();
  } else {
    _move(center, zoom);
  }
}