public static Coordinate toCoordinate(string rhs)
{
string[] sub_strings = rhs.Split(',');
int _x, _y;
int.TryParse (sub_strings[0],out _x);
int.TryParse (sub_strings[1],out _y);
Coordinate result = new Coordinate(_x, _y);
return result;
}
public static Coordinate operator-(Coordinate rhs)
{
Coordinate result = new Coordinate (-rhs.x, -rhs.y);
return result;
}
public Coordinate(Coordinate rhs) {x=rhs.x; y=rhs.y;}
public static Coordinate operator-(Coordinate lhs, Coordinate rhs)
{
Coordinate result = new Coordinate (lhs.x - rhs.x, lhs.y - rhs.y);
return result;
}
public bool Equals(Coordinate rhs)
{
// Return true if the fields match:
return (x == rhs.x) && (y == rhs.y);
}