/// <summary>
/// Gets the pins in the specified bounding box.
/// </summary>
internal void GetPinsInView(
MercatorBoundingBox mercatorBox,
float levelOfDetail,
ClusterMapPin clusterMapPinPrefab,
Transform parentTransform,
out List <MapPin> mapPins,
out List <ClusterMapPin> clusterMapPins)
{
var box = mercatorBox.ToGeoBoundingBox();
var lod = (short)Mathf.Min(Mathf.Round(levelOfDetail), _maxLod.Value);
var tileLod = new TileLevelOfDetail(lod);
var tileLodData = _tiledSpatialIndex[lod - 1];
var tiles = TileOperations.GetCoveredTileIds(box, tileLod);
mapPins = new List <MapPin>();
clusterMapPins = new List <ClusterMapPin>();
foreach (var tile in tiles)
{
var tileBounds = tile.ToMercatorBoundingBox();
var isTileCompletelyInsideMap = mercatorBox.Contains(tileBounds);
if (tileLodData.TryGetValue(tile.Value, out var tileData))
{
if (tileData.IsClustered())
{
var latLon = new LatLon(tileData.TotalLat / tileData.MapPinCount, tileData.TotalLon / tileData.MapPinCount);
if (isTileCompletelyInsideMap || box.Intersects(latLon))
{
// Use the ClusterMapPin.
if (tileData.ClusterMapPin == null)
{
// Deactivate the GO to start with. It will get activated once elevation has been sampled and it's in view.
clusterMapPinPrefab.gameObject.SetActive(false);
var newClusterMapPin = UnityEngine.Object.Instantiate(clusterMapPinPrefab);
if (parentTransform != null)
{
newClusterMapPin.transform.SetParent(parentTransform, false);
}
newClusterMapPin.LevelOfDetail = tileLod.Value;
tileData.ClusterMapPin = newClusterMapPin;
_clusterMapPins.Add(newClusterMapPin);
}
tileData.ClusterMapPin.Size = tileData.MapPinCount;
tileData.ClusterMapPin.Location = new LatLon(latLon.LatitudeInDegrees, latLon.LongitudeInDegrees);
clusterMapPins.Add(tileData.ClusterMapPin);
}
}
else
{
// Add all of the MapPins in this tile to the list.
if (isTileCompletelyInsideMap)
{
foreach (var mapPin in tileData.MapPins)
{
mapPins.Add(mapPin);
}
}
else
{
foreach (var mapPin in tileData.MapPins)
{
if (box.Intersects(mapPin.Location))
{
mapPins.Add(mapPin);
}
}
}
}
}
}
}
/// <summary>
/// Constructs a <see cref="MapSceneOfBoundingBox"/> from the specified <see cref="MercatorBoundingBox"/>.
/// </summary>
public MapSceneOfBoundingBox(MercatorBoundingBox boundingBox) :
this(boundingBox.ToGeoBoundingBox())
{
}