static public Hex RoffsetToCube(int offset, OffsetCoord h)
{
int q = h.col - (int)((h.row + offset * (h.row & 1)) / 2);
int r = h.row;
int s = -q - r;
if (offset != OffsetCoord.EVEN && offset != OffsetCoord.ODD)
{
throw new ArgumentException("offset must be EVEN (+1) or ODD (-1)");
}
return(new Hex(q, r, s));
}
public OffsetCoord ToOffsetCoord()
{
return(OffsetCoord.QoffsetFromCube(OffsetCoord.ODD, this));
}
