// You can find the Turtle API reference here: https://turtletoy.net/syntax
Canvas.setpenopacity(0.9);

// Global code will be evaluated once.
const turtle = new Turtle();
turtle.penup();
turtle.goto(0,0);
turtle.pendown();

function walk(i) {
    turtle.forward(i);
    turtle.right(178);
    return i < 2000;
}