Emptyspace

  import java.util.*;

   public class EmptySpace extends Location {

      private Dot dot;
      int r, c;

      boolean occupied;

    /*int red = Math.abs(locRed.getR() - r) + Math.abs(locRed.getC() - c);
    int blue = Math.abs(locBlue.getR() - r) + Math.abs(locBlue.getC() - c);
    int pink = Math.abs(locPink.getR() - r) + Math.abs(locPink.getC() - c);
    int orange = Math.abs(locOrange.getR() - r) + Math.abs(locOrange.getC() - c); */

    public int compareTo (Location other) {return 0; }


      public EmptySpace (int r, int c) {
        super(r,c);
        dot = new Dot (false, false);
        occupied = false;

      }

      public boolean isValid () {
        return r >= 0 && r <= 36 && c >= 0 && c <= 28 && !occupied;
      }


     public boolean hasDot() {
    return !dot.isNull();
      }

      public Dot getDot () {
    return dot;
      }


      public void setDot(Dot d) {
        dot = d;
      }
  }