Fractoul

let deg = 1, sc;

function setup() {

  createCanvas(windowWidth, windowHeight);

}

function draw() {

  background(255);

  translate(width/2, height/2);

  deg = PI/2;

  fractoul(100, 3);

}

​

function drawF(len){

  // First thig to do

  line(-len,0,0,len);

  line(len,0,0,len);

  translate(0,-len);

}

function fractoul(len, s) {

  strokeWeight(s);

  drawF(len);

  len *= 0.66;

  s *= 0.7;

  if(len > 2){

    // N

    push();

    rotate(deg);

    fractoul(len, s);

    pop();

    push();

    rotate(-deg);

    fractoul(len, s);

    pop();

  }else {

  }

}