package Strategy;

// a position in 2-space, can be in any quadrant (negative coords okay)
public class Position {

    private int x; // horizontal
    private int y; // vertical

    
    public Position() {
        setX(0);
        setY(0);
    }
    
    public Position(int x, int y) {
        this();
        setX(x);
        setY(y);
    }  
    
    // copy constructor
    public Position (Position p) {
        this();
        if (p != null) {
            setX(p.getX());
            setY(p.getY());
        }
    }
    
    public Position clone() {
        return new Position(this);
    }
    
    public int getX() {
        return x;
    }

    public void setX(int x) {
        this.x = x;
    }

    public int getY() {
        return y;
    }

    public void setY(int y) {
        this.y = y;
    }
    
    public String toString() {
        return "(" + getX() + ", " + getY() + ")";
    }
    
    // must be another position with same x and y
    public boolean equals(Object other) {
        if (other instanceof Position) {
            return 
                    ((Position)other).getX() == this.getX() &&
                    ((Position)other).getY() == this.getY();
                    
        }
        return false;
    }
}