// Name:
// Lab Section:
// Primary TA:
// Email:
// Date:
// CS101 Lab 2
// DirectionVector.java

// Summary of your activity in this file:
//     Fill in the constructor
//     Add fields
//     Fill in the accessor methods
//     Fill in the other methods

public class DirectionVector {

  private int x,y;
  public DirectionVector(int x, int y) {
     this.x = x;
     this.y = y;
  }

  public DirectionVector(double x, double y) {
     this((int)x, (int)y);
  }

  public DirectionVector add(DirectionVector addend) {
     return(new DirectionVector(this.x + addend.x, this.y + addend.y));
  }

  public int getX() { return x; }
  public int getY() { return y; }

  public double magnitude() {
     return (Math.sqrt( x*x + y*y ));
  }

  public String toString() {
     return("("+x+","+y+")");
  }
}