/**
 * A simple Turtle drawing program
 * 
 * @author Pat Troy: troy AT uic DOT edu
 */

// add import statements to get items from Java libraries
import java.awt.Color;

// Note the name of the class in the following line MUST
// match the name of the file.  
public class Lect0915b
{
  
  public static void main (String[] args) 
  {
    System.out.println("Begin Java Exection");
    System.out.println("");


    // put your Java Program here
    
    // Step 1.  Create the world
    String filename;
    filename = FileChooser.pickAFile ();
    System.out.println (filename);
    Picture p;
    p = new Picture (filename);
    
    // Step 2. create the turtle
    Turtle t;
    t = new Turtle (50, 320, p);
    
    // step 3.  Move the turtle
    t.setPenWidth(5);
    
    // draw a square
    drawSquare ( t );
    
    // example of a while loop
    int count;
    
    // draw a "circle"
    t.setPenColor(Color.MAGENTA);
    int numSides;
    int degrees;
    numSides = 30;
    degrees = 360 / numSides;
    count = 0;
    while ( count < numSides)
    {
      t.forward (10);
      t.turn (degrees);
      count = count + 1;
    }
    
    
    // Final step,  Show the world the turtle lives in
    p.show();

    System.out.println("");
    System.out.println("End Java Exection");
  } // end of method main
 
  public static void drawSquare ( Turtle tParam )
  {
    int count;
    int numSides;
    int degrees;
    numSides = 4;
    degrees = 360 / numSides;
    count = 0;
    while ( count < numSides)
    {
      tParam.forward (150);
      tParam.turn (degrees);
      count = count + 1;
    }
  }
  
  
  
} // end of class