Sideback

//Winstone Yang October 26
import edu.fcps.karel2.Robot;
import edu.fcps.karel2.Display;
public class Sideback extends Athlete implements Runnable
{
   public Sideback()
   {
      super(1, 1, Display.NORTH, 0);
   }
   public Sideback(int x, int y)
   {
      super(x, y, Display.NORTH, 0);
   }
   public void run()
   {
      if(Math.random() < 0.5)
      {
         turnRight();

         while(!nextToABeeper())
         {
            while(frontIsClear() && !rightIsClear())
            {
               if(frontIsClear() && !rightIsClear() && !nextToABeeper())
                  move();
            }

            if(!frontIsClear())
               turnLeft();

            while(frontIsClear() && !rightIsClear())
               move();

            if(!frontIsClear())
               turnLeft();

            while(frontIsClear() && !rightIsClear())
               move();

            if(rightIsClear())
            {
               turnRight();
               move();
               if(!nextToABeeper())
                  turnRight();
            }

            while(frontIsClear() && !nextToABeeper())
               move();

            if(!frontIsClear())
               turnLeft();
         }
      }
      else
      {
         turnLeft();

         while(!nextToABeeper())
         {
            while(frontIsClear() && !leftIsClear())
            {
               if(frontIsClear() && !leftIsClear() && !nextToABeeper())
                  move();
            }

            if(!frontIsClear())
               turnRight();

            while(frontIsClear() && !leftIsClear())
               move();

            if(leftIsClear())
            {
               turnLeft();
               move();
               if(!nextToABeeper())
                  turnLeft();
            }

            while(frontIsClear() && !nextToABeeper())
               move();

            if(!frontIsClear())
               turnRight();
         }
      }
   }
}