public IQPathTileScript[] GetNeighbours()
{
if (this.neighbours != null)
{
return(this.neighbours);
}
List <HexScript> neighbours = new List <HexScript>();
neighbours.Add(HexMap.GetHexAt(C + 1, R + 0));
neighbours.Add(HexMap.GetHexAt(C + -1, R + 0));
neighbours.Add(HexMap.GetHexAt(C + 0, R + +1));
neighbours.Add(HexMap.GetHexAt(C + 0, R + -1));
neighbours.Add(HexMap.GetHexAt(C + +1, R + -1));
neighbours.Add(HexMap.GetHexAt(C + -1, R + +1));
List <HexScript> neighbours2 = new List <HexScript>();
// This is an alternative to the code below
// this.neighbours = neighbours.Where(hex => hex != null).ToArray();
foreach (HexScript h in neighbours)
{
if (h != null)
{
neighbours2.Add(h);
}
}
this.neighbours = neighbours2.ToArray();
return(this.neighbours);
}
