import java.awt.*;

/* CS111 Lab 2: Writing Java Methods - Task 3: BigChecksboard
 NAME: Stella
 based on older version of it.
 WHEN: Aug 24, 2007
 COMMENTS:

 */
 
public class BigChecksboard extends BuggleWorld {

  //set up the dimensions of the grid to draw on
    public void setup() {
   setDimensions(15,15);
  }
    
    
  public void run () {
    CheckerBuggle cheek = new CheckerBuggle();
    //cheek.drawOneTriangle(); //test it, then comment it out
    
    cheek.drawOneRow();  //draw the first row of triangles
    cheek.positionForNewRow();
    
    cheek.drawOneRow(); ////draw the second row of triangles
    cheek.positionForNewRow();
    
     cheek.drawOneRow(); ////draw the third row of triangles
     
     cheek.positionFinal();
  } // run()
 
  //------------------------------------------
  // The following main method is needed to run the applet as an application

  public static void main (String[] args) {
    runAsApplication(new BigChecksboard(), "BigChecksboard"); 
  }
} // class BigChecksboard

//**************************************************************

class CheckerBuggle extends Buggle { 
 // Defines CheckerBuggle to be able to accomplish more sub-tasks, by defining more methods.
 
  //Position the drawing buggle at the center of the final Bigboard
    public void positionFinal(){
    setColor(Color.black);
    brushUp();
    backward(3);
    left();
    backward(3);
  }
  
  //Position the drawing buggle at the right place to start drawing the next
  //row: 5th row above and 10th column back
   public void positionForNewRow() {
    brushUp();
    backward(10);
    left();
    forward(5);
    right(); 
    setColor(Color.red);
  }
   
  public void drawOneRow() {
    //one row contains 3 patterns, each made of 4-triangles (one of each color).
    draw4Triangles();
    brushUp();
    forward(5);
    brushDown();
    setColor(Color.red);
    draw4Triangles();
    brushUp();
    forward(5);
    brushDown();
    setColor(Color.red);
    draw4Triangles();
    setColor(Color.red);
  }
  
  //Draws 4 basic little triangles, to fill up completely a 5x5 grid, as asked in task 2
  //Uses the previuosly defined drawOneTriangle () method
  public void draw4Triangles() {
    drawTriangle();
    setColor(Color.blue);
    drawTriangle();
    setColor(Color.yellow);
    drawTriangle();
    setColor(Color.black);
    drawTriangle();
  }
  
  //Draw one little triangle
  public void drawOneTriangle () {
    //debugging statement below prints to console
    //System.out.println("Just inside drawOneTriangle method");          
    brushUp();
    forward();
    brushDown();
    forward();
    brushUp();
    left();
    forward();
    brushDown();
    backward();
    right();
    brushUp();
    forward();
    brushDown();
    forward();
    left();
    //debugging statement below prints to console window
    //System.out.println("About to leave drawOneTriangle method"); 
  } // drawOneTriangle()
}