Canvas.setpenopacity(1);
const turtle = new Turtle();
const parts = 15; // min=1, max=100, step=1
const linesPerPart = 45; // min=1, max=500, step=1

function walk(i) {
    turtle.penup();
    const x = 100-(200 / parts * i);
    const direction = Math.floor(Math.random() * 4);
    turtle.setheading(360 / (direction));
    [...Array(linesPerPart).keys()].forEach(i => {
        turtle.goto(x, 100 - Math.floor(Math.random() * 200))
        turtle.pendown();
        turtle.forward(5);
    })
    return i < parts;
}