public Tile ToTile(Vector3 pos)
{
Vector3 pt = new Vector3(pos.x / hexRadius, 0.0f, pos.z / hexRadius);
switch (hexOrientation)
{
case HexOrientation.Pointy: {
double q = Math.Sqrt(3.0f) / 3.0 * pos.x + (-1.0 / 3.0f) * pt.z;
double r = 0.0f * pt.x + (2.0 / 3.0) * pt.z;
Tile.FractionalIndex hex = new Tile.FractionalIndex(q, r, -q - r);
Tile.CubeIndex cube = Tile.FractionalIndex.HexRound(hex);
UnityEngine.Debug.Log(cube.ToString());
return(TileAt(cube));
}
case HexOrientation.Flat: {
double q = 2.0 / 3.0f * pos.x + 0.0 * pt.z;
double r = -1.0 / 3.0f * pt.x + Mathf.Sqrt(3.0f) / 3.0f * pt.z;
Tile.FractionalIndex hex = new Tile.FractionalIndex(q, r, -q - r);
Tile.CubeIndex cube = Tile.FractionalIndex.HexRound(hex);
UnityEngine.Debug.Log(cube.ToString());
return(TileAt(cube));
}
default:
break;
}
return(null);
}
public Tile TileAt(Tile.CubeIndex index)
{
if (grid.ContainsKey(index.ToString()))
{
return(grid[index.ToString()]);
}
return(null);
}
public List <Tile> TilesInRange(Tile center, int range)
{
//Return tiles rnage steps from center, http://www.redblobgames.com/grids/hexagons/#range
List <Tile> ret = new List <Tile>();
Tile.CubeIndex o;
for (int dx = -range; dx <= range; dx++)
{
for (int dy = Mathf.Max(-range, -dx - range); dy <= Mathf.Min(range, -dx + range); dy++)
{
o = new Tile.CubeIndex(dx, dy, -dx - dy) + center.index;
if (grid.ContainsKey(o.ToString()))
{
ret.Add(grid[o.ToString()]);
}
}
}
return(ret);
}
public int Distance(Tile.CubeIndex a, Tile.CubeIndex b)
{
return(Mathf.Abs(a.x - b.x) + Mathf.Abs(a.y - b.y) + Mathf.Abs(a.z - b.z));
}
public List <Tile> TilesInRange(Tile.CubeIndex index, int range)
{
return(TilesInRange(TileAt(index), range));
}
public List <Tile> Neighbours(Tile.CubeIndex index)
{
return(Neighbours(TileAt(index)));
}