createCanvas(windowWidth-10, windowHeight);

  background(245);

}

​

function draw() {

  let y = height/87;

  var memory = [-10,y];

  let m = 0;

  let h = 0;

  for(var j=1; j<=100;j++){

    let length = random(100);

    for(var i = 0; i<length; i++){

      h = map(random(y),0,1,(y*j)-0.2,(y*j)+0.2);

      let endx = memory[0]+random(15);

      let endy = h;

      line(memory[0],memory[1],endx,endy);

      memory[0] = endx;

      memory[1] = endy;

    }

    memory = [-10,y*j];

  }

  noLoop();

​

}