* It might be a little too structured to be random !

 */

let i = 1;

let j = 20;

let a=0, b=0, preva, prevb;

let s = 0;

​

function setup() {

  createCanvas(800, 800);

  background(255);

  strokeWeight(1);

  noFill();

}

​

function draw() {

  //fill(255,5)

  //rect(0,0,width,height);

  //noFill()

  preva = a

  prevb = b

  a = pseudorandom(width,i);

  b = pseudorandom(height,j);

  //stroke(s += 0.1);

  stroke(0, 200);

  circle(a, b, 12);

  if (dist(preva, prevb, a, b) < 300) {

    line(preva, prevb, a, b);

  }

  i++;

  j--;

}

​

/**

 * returns a random number between 0 and 100

 */

function pseudorandom(max, seed) {

  let nb;

  for (let i = 0 ; i < 5 ; i++)

    nb = pow(seed*11, 3).toString().substring(3,5);

  return map(

    int(nb),

    0, 100,

    0, max

  );

}