/*
   Item4: ability to move items
*/

import java.awt.*;

public class Item4 extends Item3
{
   // SUPPORT POSITIONAL OFFSET X0,Y0, SO ITEMS CAN BE DRAGGED AROUND

   int x0 = 0, y0 = 0;

   public void move(int dx, int dy) {
      x0 += dx;
      y0 += dy;
   }

   public void add(int x, int y) {
      if (x > 0)
         super.add(x - x0, y - y0);
      else
         super.add(x + x0, y - y0);
   }

   // SET AND GET POSITIONAL OFFSET OF ITEM

   public int getX() { return x0; }
   public int getY() { return y0; }
   public void setX(int x) { x0 = x; }
   public void setY(int y) { y0 = y; }

   // IMPLEMENT HIT-TESTING AND DRAWING WITH POSITIONAL OFFSET

   public boolean contains(int x, int y) {
      return super.contains(x - x0, y - y0);
   }

   public void draw(Graphics g, int x, int y, int r) {
      super.draw(g, x0 + x, y0 + y, r);
   }
}