Recursive Square Attempt

RecursiveSquare.java

package org.teachingkidsprogramming.section05recursion;

import org.teachingextensions.logo.Tortoise;

public class RecursiveSquare
{
  public static void main(String[] args) throws Exception
  {
    Tortoise.setSpeed(10);
    double length = 100.0;
    makeASquare(length);
  }
  private static void makeASquare(double length)
  {
    if (10 < length)
    {
      moveToTheSquareStart(length);
      //
      //  Do the following 4 times
      for (int i = 0; i < 4; i++)
      {
        //    Move the Tortoise the current length  
        Tortoise.move(length);
        //    Run the recipe makeASquare with the current length divided by two  
        makeASquare(length / 2);
        //      If the current process count is less than 4 /???????
        if (i < 4)
        {
          //      Turn the tortoise 90 degrees to the right
          Tortoise.turn(90);
        }
      }
      moveBackToCenter(length);
      //
      //  Set the current length to the current length times two
      length *= 2;
      //
      //End of makeASquare recipe
    }
  }
  private static void moveToTheSquareStart(double length)
  {
    //  Run the recipe moveToTheSquareStart with the current length
    //
    //  Create the moveToTheSquareStart recipe 
    //    Set the pen up for the tortoise
    Tortoise.penUp(); // I looked for "set*"
    //    Move the tortoise the current length divided by two
    Tortoise.move(length / 2);
    //    Turn the tortoise 90 degrees to the left
    Tortoise.turn(90 * 3);
    //    Move the tortoise the current length divided by two
    Tortoise.move(length / 2);
    //    Turn the tortoise 180 degrees to the right
    Tortoise.turn(180);
    //    Set the pen down for the tortoise
    Tortoise.penDown();
    //  End of moveToTheSquareStart recipe 
  }
  private static void moveBackToCenter(double length)
  {
    //
    //  Run the recipe moveBackToCenter with the current length
    //  Create the moveBackToCenter recipe 
    //    Set the pen up for the tortoise
    Tortoise.penUp();
    //    Turn the tortoise 90 degrees to the right
    Tortoise.turn(90);
    //    Move the tortoise the current length divided by two
    Tortoise.move(length / 2);
    //    Turn the tortoise 90 degrees to the right
    Tortoise.turn(90);
    //    Move the tortoise the current length divided by two
    Tortoise.move(length / 2);
    //    Turn the tortoise 180 degrees to the right
    Tortoise.turn(180);
    //    Set the pen down for the tortoise
    Tortoise.penDown();
    //
    //  End of moveToTheSquareStart recipe
  }
}