public static int Distance(Cube a, Cube b)
{
return Length(Subtract(a, b));
}
public static int Length(Cube hex)
{
return (Math.Abs(hex.X) + Math.Abs(hex.Y) + Math.Abs(hex.Z)) / 2;
}
public static Cube Add(Cube a, Cube b)
{
return new Cube(a.X + b.X, a.Y + b.Y, a.Z + b.Z);
}
public static Cube Subtract(Cube a, Cube b)
{
return new Cube(a.X - b.X, a.Y - b.Y, a.Z - b.Z);
}
public static Cube Neighbor(Cube hex, int direction)
{
return Add(hex, Direction(direction));
}