public List <HexTile> GetTilesInRange(HexTile fromTile, int range)
{
//Debug.Log("Range: " + range);
if (range <= 0 || range > mapRadius)
{
throw new System.Exception("range is out of bounds. GetTilesInRange()");
}
List <HexTile> tilesInRange = new List <HexTile>();
for (int x = -range; x <= range; x++)
{
for (int y = Mathf.Max(-range, -x - range); y <= Mathf.Min(range, -x + range); y++)
{
if (x == fromTile.x && y == fromTile.y)
{
continue;
}
var z = -x - y;
Vector3Int coords = AxialToCube(fromTile.GetAxialCoords()) + new Vector3Int(x, z, y);
HexTile tileInRange = GetTileAxial(CubeToAxial(coords));
if (tileInRange != null)
{
tilesInRange.Add(tileInRange);
}
//Debug.Log("tile: " + neighbour);
}
}
return(tilesInRange);
}
/// <summary>
/// Get the surrounding neighbours based on axial directions
/// </summary>
/// <param name="tile"></param>
/// <returns></returns>
public List <HexTile> GetNeighbours(HexTile tile)
{
if (tile == null)
{
return(null);
}
Vector2Int tileCoord = tile.GetAxialCoords();
List <HexTile> neighbours = new List <HexTile>();
for (int i = 0; i < 6; i++)
{
HexTile neighbour = GetTileAxial(tileCoord + axialDirections[i]); //In axial space, where center is 0,0
if (neighbour != null)
{
neighbours.Add(neighbour);
}
}
return(neighbours);
}
public List <HexTile> GetTilesRing(HexTile fromTile, int range)
{
if (range <= 0 || range > mapRadius)
{
throw new System.Exception("range is out of bounds. GetTilesAtRing()");
}
List <HexTile> ring = new List <HexTile>();
Vector3Int coord = AxialToCube(fromTile.GetAxialCoords()) + AxialToCube(axialDirections[4]) * range;
for (int i = 0; i < 6; i++)
{
for (int j = 0; j < range; j++)
{
HexTile ringTile = GetTileAxial(CubeToAxial(coord));
//Debug.Log("Tile: " + ringTile);
//if(ringTile != null)
ring.Add(ringTile);
coord = AxialToCube(ringTile.GetAxialCoords()) + AxialToCube(axialDirections[i]);
}
}
return(ring);
}
