TurtleTree.java

package org.teachingkidsprogramming.section05recursion;

import java.awt.Color;
import java.util.HashMap;

import org.teachingextensions.logo.Tortoise;

public class TurtleTree
{
  @SuppressWarnings("unused")
  public static void main(String[] args)
  {
    Tortoise.show();
    //    Make the tortoise go as fast as possible --#10
    //    Turn the background black  --#21
    //    The current branch length = 60 --#1.2
    //    drawBranch(recipe below) --#2.1
    //
    //    ------------- Recipe for drawBranch --#2.2
    //        If the current branch length is greater than zero, do the rest of this recipe --#5
    //        adjustColor (recipe below)--#15.1
    //        ------------- Recipe for adjustColor --#15.2
    HashMap<Integer, Color> colors = new HashMap<Integer, Color>();
    //            A 10 pixel long branch is lime --#20
    //            A 20 pixel long branch is forest green --#19
    //            A 30 pixel long branch is dark green --#18
    //            A 40 pixel long branch is olive --#17
    //            A 50 pixel long branch is sienna --#14
    //            A 60 pixel long branch is saddle brown (TIP: Put the values into the 'colors' HashMap)--#13 
    //            Get the value of the branch length from the 'colors' HashMap and use that to set the pen color --#21
    //        ------------- End of adjustColor --#15.3
    //
    //        Move the tortoise the length of the current branch --#1.1
    //        drawLowerBranches (recipe below) --#6.1
    //
    //        ------------- Recipe for drawLowerBranches --#6.2
    //            Turn the Tortoise 30 degrees to the right --#3
    //            drawShorterBranch (recipe below) --#8.1
    //
    //            ------------- Recipe for drawShorterBranch --#8.2
    //                drawBranch (10 pixels shorter) --#4
    //            ------------- End of drawShorterBranch recipe --#8.3
    //
    //            Turn the Tortoise 60 degrees to the left --#7
    //            drawShorterBranch --#9
    //            Turn the Tortoise 30 degrees to the right --#12
    //            adjustColor --#16
    //            Move the tortoise backward the length of the current branch --#11
    //        ------------- End of drawLowerBranches recipe --#6.3
    //
    //    ------------- End of drawBranch recipe --#2.3
  }
}