// Miya Natsuhara
// 08-12-2019
// CSE142
// TA: Grace Hopper

// A client program using the Point class (creating multiple Point instances and 
// asking for their distance from the origin). 

public class PointClient {
   public static void main(String[] args) {
      // construct a point at coordinates (3, 5)
      // construct a point at coordinates (12, 4)
      
      // example of using the 2-argument constructor to make new Points
      Point p1 = new Point(3, 5);
      System.out.println("Point p1: " + p1);
      
      Point p2 = new Point(-500, 4);
      System.out.println("Point p2: " + p2);
      
      // example of using the 0-argument constructor to make new Points
      Point p3 = new Point();
      System.out.println("Point p3: " + p3);

      System.out.println("After translate:");
      // translate p1 by (-1, -2)
      p1.translate(-1, -2);
      // translate p2 by (10, 15)
      p2.translate(-500, 15);
      
      System.out.println("after translate:");
      // NOTE: when we go to print out the Points, we can just print "p1" and 
      //       "p2" without explicitly having to call p1.toString() and p2.toString()
      //       because Java knows to look for a method with exactly this signature 
      //       (return type, parameters, and name) when asked to convert an object to 
      //       a String representation. 
      System.out.println("Point p1: " + p1);
      System.out.println("Point p2: " + p2);
      
      // formula: square root of (x^2 + y^2)
      // print p1 distance to origin
      System.out.println("Point p1's distance from origin: " + p1.distanceFromOrigin());
      // print p2 distance to origin
      System.out.println("Point p2's distance from origin: " + p2.distanceFromOrigin());
  
      // formula: square root of ((x1-x2)^2 + (y1-y2)^2)
      // print distance from p1 to p2
      System.out.println("Distance from p1 to p2: " + p1.distanceFrom(p2));
      // print distance from p2 to p1
      System.out.println("Distance form p2 to p1: " + p2.distanceFrom(p1));
      
      System.out.println("The sum of p1's coordinates is " + (p1.getX() + p2.getX());
      p3.setLocation(100, 100);
      System.out.println("Point p3 after setLocation: " + p3);
   }
}