public Hex(CubicCoordinate coordinate, Orientation orientation, float width = 1f)
{
Orientation = orientation;
Coordinate = coordinate;
Height = 0;
Depth = 0;
Width = width;
}
/// <summary>
/// Gets the Hex at the given coordinate. If one does not exist creates it
/// </summary>
/// <param name="coord">The coord of the hex to retrieve</param>
/// <returns>Either the existing hex or a new hex at the given coordinates</returns>
public Hex GetHexAt(CubicCoordinate coord)
{
if (Hexes.ContainsKey(coord))
{
return(Hexes[coord]);
}
else
{
AddHex(coord);
return(GetHexAt(coord));
}
}
/// <summary>
/// Converts Cubic coordinates to Cartesian coordinates
/// </summary>
///
/// <param name="coord">The coordinate to convert</param>
/// <param name="orientation">The orientation of the Hexes</param>
/// <param name="width">The width of the hexes in the same units as the return value</param>
///
/// <returns>The point at the center of the cubic coordinates given</returns>
/// <see href="https://www.redblobgames.com/grids/hexagons/#hex-to-pixel"/>
public static Point CubicToCartesian(CubicCoordinate coord, Orientation orientation, float width)
{
if (orientation == Orientation.FlatTop)
{
var x = width * (1.5f * coord.Q);
var y = width * (Math.Sqrt(3) / 2f * coord.Q + Math.Sqrt(3) * coord.R);
return(new Point((int)x, (int)y));
}
else // Pointy Top
{
var x = width * (Math.Sqrt(3) * coord.Q + Math.Sqrt(3) / 2f * coord.R);
var y = width * (1.5 * coord.R);
return(new Point((int)x, (int)y));
}
}
public void AddHex(CubicCoordinate coord)
{
Hexes.Add(coord, new Hex(coord, Orientation, Width));
}
public static Point ToCartesian(this CubicCoordinate coord, Orientation orientation, float width)
{
return(CubicToCartesian(coord, orientation, width));
}