gann-cdf / turtle-logo

public class Test {

  public static void main(String[] args) {

    // headed east in center of screen

    Turtle a = new Turtle();

    a.pc(Color.red);

    // blue horizontal line in top-left screen, headed south

    Turtle b = new Turtle();

    b.pc(Color.blue);

    b.tp(10, 10);

    b.hd(Turtle.EAST);

    b.fd(100);

    b.rt(90);

    // green vertical zig zag on left screen, headed SE

    Turtle c = new Turtle();

    c.pc(Color.green);

    c.tp(10, 100);

    c.hd(Turtle.SOUTH);

    c.lt(45);

    c.fd(20);

    c.rt(90);

    c.fd(20);

    c.lt(90);

    c.fd(20);

    // orange circle on right screen, no turtle

    Turtle d = new Turtle();

    d.ht();

    d.pc(Color.orange);

    d.tp(500, 100);

    for (int i = 0; i < 360; i++) {

      d.fd(Math.PI * 2.0 * 25.0 / 360.0);

      d.rt(1);

    }

    // fat purple box in bottom screen, turtle headed north

    Turtle e = new Turtle();

    e.pc(new Color(200, 0, 180));

    e.pw(5);

    e.tp(300, 300);

    e.hd(Turtle.EAST);

    e.fd(40);

    e.rt(90);

    e.fd(40);

    e.rt(90);

    e.fd(40);

    e.rt(90);

    e.fd(40);