public HexTile[] GetNeighborsInRange(int radius)
{
HashSet <HexTile> tiles = new HashSet <HexTile>();
for (int dx = -radius; dx <= radius; ++dx)
{
for (int dy = Mathf.Max(-radius, -dx - radius); dy <= Mathf.Min(radius, -dx + radius); ++dy)
{
int dz = -dx - dy;
var center = new OffsetCoordinate(this.x, this.y);
var offsetCube = new CubeCoordinate(dx, dy, dz);
HexTile neighbor = HexTile.FindByOffset(center, HexUtils.CubeCoordToOffsetCoord(offsetCube, center.IsEven()));
if (neighbor != null)
{
tiles.Add(neighbor);
}
}
}
HexTile[] results = new HexTile[tiles.Count];
tiles.CopyTo(results);
return(results);
}
