/// <summary>
/// Get squared distance between two world locations (in meters)
/// </summary>
public static float GetDistanceSquared(WorldLocation location1, WorldLocation location2)
{
var dx = location1.Location.X - location2.Location.X;
var dy = location1.Location.Y - location2.Location.Y;
var dz = location1.Location.Z - location2.Location.Z;
dx += 2048 * (location1.TileX - location2.TileX);
dz += 2048 * (location1.TileZ - location2.TileZ);
return(dx * dx + dy * dy + dz * dz);
}
/// <summary>
/// Copy constructor using a MSTS-coordinates world-location
/// </summary>
public WorldPosition(WorldLocation copy)
{
TileX = copy.TileX;
TileZ = copy.TileZ;
Location = copy.Location;
}
/// <summary>
/// Get a (2D) vector pointing from <paramref name="locationFrom"/> to <paramref name="locationTo"/>, so neglecting height (y) information
/// </summary>
public static Vector2 GetDistance2D(WorldLocation locationFrom, WorldLocation locationTo)
{
return(new Vector2(locationTo.Location.X - locationFrom.Location.X + (locationTo.TileX - locationFrom.TileX) * 2048, locationTo.Location.Z - locationFrom.Location.Z + (locationTo.TileZ - locationFrom.TileZ) * 2048));
}
/// <summary>
/// Check whether location1 and location2 are within given distance from each other
/// </summary>
/// <param name="location1">first location</param>
/// <param name="location2">second location</param>
/// <param name="distance">distance defining the boundary between 'within' and 'outside'</param>
public static bool Within(WorldLocation location1, WorldLocation location2, float distance)
{
return(GetDistanceSquared(location1, location2) < distance * distance);
}
/// <summary>
/// Constructor from another location
/// </summary>
/// <param name="worldLocation">the other location to use as initialization</param>
public WorldLocation(WorldLocation worldLocation)
{
TileX = worldLocation.TileX;
TileZ = worldLocation.TileZ;
Location = worldLocation.Location;
}
/// <summary>
/// Create a nice string-representation of the world position
/// </summary>
public override string ToString()
{
return(WorldLocation.ToString());
}