// You can find the Turtle API reference here: https://turtletoy.net/syntax
Canvas.setpenopacity(1);

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

var length = 1;
var angle = 90;

// The walk function will be called until it returns false.
function walk(i) 
{
    turtle.forward(length);
    length ++;
    
    turtle.right(angle);
    angle += 0.0015;

    return i < 300;
}