drawRoad method

Future<RoadInfo> drawRoad(GeoPoint start, GeoPoint end, { RoadType roadType = RoadType.car, List<GeoPoint>? interestPoints, RoadOption? roadOption, })

Implementation

Future<RoadInfo> drawRoad(
  GeoPoint start,
  GeoPoint end, {
  RoadType roadType = RoadType.car,
  List<GeoPoint>? interestPoints,
  RoadOption? roadOption,
}) async {
  final geoPoints = [start, end];
  if (interestPoints != null && interestPoints.isNotEmpty) {
    geoPoints.insertAll(1, interestPoints);
  }
  final waypoints = geoPoints.toLngLatList();
  final road = await manager.getRoad(
    waypoints: waypoints,
    roadType: routing.RoadType.values[roadType.index],
    alternative: false,
    geometries: routing.Geometries.geojson,
  );
  final routeJs = road.polyline!.mapToListGeoJS();

  var roadInfo = RoadInfo();
  final roadConfig =
      roadOption ?? defaultRoadOption ?? const RoadOption.empty();
  debugPrint(roadOption?.toString());

  interop.drawRoad(
    mapIdMixin.toJS,
    roadInfo.key.toJS,
    routeJs.toJS,
    (interestPoints?.toListGeoPointJs() ?? []).toJS,
    roadConfig.toRoadOptionJS,
  );
  final instructions = await manager.buildInstructions(road);
  roadInfo = roadInfo.copyWith(
    duration: road.duration,
    distance: road.distance,
    instructions: instructions
        .map((e) => Instruction(
              instruction: e.instruction,
              geoPoint: e.location.toGeoPoint(),
            ))
        .toList(),
    route: road.polyline!.mapToListGeoPoints(),
  );
  roadsWebCache[roadInfo.key] = roadInfo;
  return roadInfo;
}