createCanvas(400, 400);

  background(245);

  //noStroke();

}

let m = 0;

let y = 400/87;

​

let h = 0;

​

var memory = [0,400/87,0,0];

​

​

​

function draw() {

  stroke(0);

  strokeWeight(1);

​

  //translate(width/2, height/2);

  /*for(let i = 0; i<1000; i++){

    fill(map(i,0,1000,0,255),0,0);

    //circle(random(width),random(height),10);

    //rotate(0.5);

    rotate(mouseX/width*0.5);

    //circle(i*0.2,0,10);

    //ellipse(i*0.2,0,mouseY/height*10,20);

    rect(i*0.2,0,mouseY/height*50,20);

  }

  //noLoop();*/

  let length = random(100);

  for(var i = 0; i<length; i++){

      h = map(random(y),0,1,(400/87)-0.5,(400/87)+0.5);

      let endx = memory[0]+random(20);

      let endy = h;

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

      memory[0] = endx;

      memory[1] = endy;

  }

  noLoop();

}