private void FindNearestItems(PointD position)
{
IEnumerable <ITileCoordinate <Tile> > result = TrackContent.Tiles.FindNearest(position, bottomLeft, topRight);
if (result.First() != nearestGridTile)
{
nearestGridTile = result.First() as GridTile;
}
if (Scale < 1)
{
return;
}
double distance = double.MaxValue;
foreach (TrackItemBase trackItem in TrackContent.TrackItems[nearestGridTile.Tile])
{
double itemDistance = trackItem.Location.DistanceSquared(position);
if (itemDistance < distance)
{
nearestTrackItem = trackItem;
distance = itemDistance;
}
}
distance = double.MaxValue;
foreach (TrackSegment trackSegment in TrackContent.TrackSegments[nearestGridTile.Tile])
{
double itemDistance = position.DistanceToLineSegmentSquared(trackSegment.Location, trackSegment.Vector);
if (itemDistance < distance)
{
nearestTrackSegment = trackSegment;
distance = itemDistance;
}
}
distance = double.MaxValue;
foreach (RoadSegment trackSegment in TrackContent.RoadSegments[nearestGridTile.Tile])
{
double itemDistance = position.DistanceToLineSegmentSquared(trackSegment.Location, trackSegment.Vector);
if (itemDistance < distance)
{
nearesRoadSegment = trackSegment;
distance = itemDistance;
}
}
}
