/// <summary>
/// Gets the number of steps between this coordinate
/// and the given one
/// </summary>
public int Distance(AxialCoordinate other)
{
int dX = Math.Abs(other.x - x);
int dY = Math.Abs(other.Y - Y);
int dZ = Math.Abs(other.z - z);
return(Maths.Max(dX, dY, dZ));
}
public HexCell Create(AxialCoordinate coordinate, Vector3 position, HexMap parent)
{
HexCell cell = base.Create();
cell.Coordinate = coordinate;
cell.transform.SetParent(parent.transform);
cell.transform.position = position;
cell.name = coordinate.ToString();
cell._map = parent;
return(cell);
}
/// <summary>
/// Gets the hex cell at the given axial coordiante
/// </summary>
public HexCell this[AxialCoordinate coordinate]
{
get
{
// Check if map contains cell at given coordinate
if (!Contains(coordinate))
{
return(null);
}
return(cells[coordinate.Z, coordinate.GridColumn]);
}
}
private void CreateCells()
{
hexMap.cells = new HexCell[cellsDeep, cellsWide];
for (int column = 0; column < cellsWide; column++)
{
for (int row = 0; row < cellsDeep; row++)
{
// Calculate coordinate and position
AxialCoordinate coordinate = AxialCoordinate.FromGridIndices(column, row);
Vector3 position = GetCellCentre(coordinate);
// Create cell and save to map
HexCell cell = hexCellFactory.Create(coordinate, position, hexMap);
hexMap.cells[row, column] = cell;
}
}
}
private Vector3 GetCellCentre(AxialCoordinate cell)
{
// Is the row odd (odd rows are offset by InnerRadius distance)
int odd = cell.Z % 2;
// Get cell centre's distance from bottom left of map
float xFromBottomLeft = innerRadius + (cell.GridColumn * innerDiameter) + (odd * innerRadius);
float zFromBottomLeft = outerRadius + (cell.Z * 1.5f * outerRadius);
Vector3 fromBottomLeft = new Vector3(xFromBottomLeft, 0, zFromBottomLeft);
// Convert to distance from centre of map
Vector3 fromCentre = fromBottomLeft - extents;
// Convert to world position
Vector3 worldPosition = hexMap.transform.TransformPoint(fromCentre);
return(worldPosition);
}
/// <summary>
/// Checks if this coordinate is adjacent to the given coordinate
/// </summary>
public bool IsAdjacent(AxialCoordinate other)
{
return(Directions.Select(d => other + d)
.Contains(this));
}
/// <summary>
/// Checks if this hex map contains a cell with
/// the given coordinate
/// </summary>
public bool Contains(AxialCoordinate coordinate)
{
return(Contains(coordinate.GridColumn, coordinate.Z));
}