// 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(-110,0);
turtle.pendown();


var x = -110;
var y = 0;
var randomOffset = 0;

    angle = 90;


// The walk function will be called until it returns false.
function walk(i) 
{
    x++;
    
    randomOffset = Math.random() * (Math.abs(-y * 0.3));
    
    y = Math.cos(x /10) * 25 + randomOffset;

    turtle.setx(x)
    turtle.sety(y);

    return i < 250;
}