// You can find the Turtle API reference here: https://turtletoy.net/syntax
Canvas.setpenopacity(1);
let a_length = 3;//min=1,max=10,step=0.01
let num_p = 150;//min=0,max=200,step=1
let scale = 1.02;//min=1,max=2,step=0.01
let angle = 72;//min=1,max=359,step=1
let sides = 5//min=3,max=20,step=1
let offset_x = 0//min=-1,max=1,step=0.01
let offset_y = 0//min=-1,max=1,step=0.01
// Global code will be evaluated once.
const turtle = new Turtle();

turtle.penup();
turtle.goto(a_length/2,-a_length/2);

let a_len = a_length;

function draw_pentagon(n, last_len) {
    a_len = scale * last_len;
    turtle.goto(a_length/2 + offset_x * n,-a_length/2 + offset_y * n);
    turtle.pd();
    for (let i = 0; i < sides; i ++) {
        turtle.right(angle);
        turtle.forward(a_len);
    }
    turtle.pu();
}

function walk(i) {
    draw_pentagon(i, a_len);
    return i < num_p;
}