public IEnumerable <TCellValue> GetRingValues(CubeCoord center, uint radius)
{
foreach (HexGridCell <TCellValue> cell in GetRingCells(center, radius))
{
yield return(cell.Value);
}
}
public IEnumerable <HexGridCell <TCellValue> > GetRingCells(CubeCoord center, uint radius)
{
CubeCoord direction = CubeCoord.Directions[4] * (int)radius;
CubeCoord cube = center + direction;
for (uint i = 0u; i < 6; i++)
{
for (uint j = 0u; j < radius; j++)
{
HexGridCell <TCellValue> cell = GetCell(cube);
if (cell != null)
{
yield return(cell);
}
cube = HexCoord.GetNeighbour(cube, i);
}
}
}
public IEnumerable <HexGridCell <TCellValue> > GetSpiralCells(CubeCoord center, uint radius)
{
HexGridCell <TCellValue> centerCell = GetCell(center);
if (centerCell != null)
{
yield return(centerCell);
}
for (uint i = 1u; i <= radius; i++)
{
foreach (HexGridCell <TCellValue> cell in GetRingCells(center, i))
{
if (cell != null)
{
yield return(cell);
}
}
}
}
public static void CubeToAxial(ref CubeCoord coord, out AxialCoord outCoord)
{
outCoord = new AxialCoord(coord.x, coord.y);
}
public static CubeCoord GetNeighbour(CubeCoord coord, uint direction)
{
return(coord + CubeCoord.Directions[direction]);
}
public static PixelCoord AxialToPixel(CubeCoord coord, float size)
{
AxialCoord coord2 = CubeToAxial(coord);
return(AxialToPixel(coord2, size));
}
public static void AxialToCube(ref AxialCoord coord, out CubeCoord outCoord)
{
outCoord = new CubeCoord(coord.q, coord.r, -coord.q - coord.r);
}
public static AxialCoord CubeToAxial(CubeCoord coord)
{
return(new AxialCoord(coord.x, coord.y));
}
public void SetCellValue(TCellValue value, CubeCoord coord)
{
HexGridCell <TCellValue> cell = GetCell(coord);
cell.Value = value;
}
public TCellValue GetCellValue(CubeCoord coord)
{
return(GetCell(coord).Value);
}
public HexGridCell <TCellValue> GetCell(CubeCoord coord)
{
HexCoord.CubeToAxial(ref coord, out var outCoord);
return(GetCell(outCoord));
}
public int Distance(CubeCoord other)
{
return((Math.Abs(x - other.x) + Math.Abs(y - other.y) + Math.Abs(z - other.z)) / 2);
}
