import chess.Chess;
import chess.Screen;
import chess.Turtle;

public class TurtleExcerciseSix {
    
    public static void main(String[] args) {
        /* here you go */
        Screen greg= Chess.newScreen(800,800);
        Turtle tim= greg.newTurtle();
        
        tim.setPosition(30,30);
        tim.setOrientation(0);
        tim.setLineWidth(8);                
        
        for ( double sat=0.0 ; sat<=1.0 ; sat+= 0.1 ) {            
            tim.push();
            for ( int hue= 0 ; hue<=360 ; hue+= 10 ) {
                tim.setHSVColor( hue, sat, 1.0 );
                tim.penDown();
                tim.forward(8);
                tim.penUp();                
                tim.forward(12);
            }
            tim.pop();            
            tim.right(90);
            tim.forward(20);
            tim.left(90);
        }
        /* two braces below */
    }
    
}