// and create repeating values in randomness

// This sketch demonstrates the workings of:

// Gen.fill(), Gen.spread(), Rand.seed(), Rand.randomFloat()

​

// require libraries from TotalSerialism

const Gen = TotalSerialism.Generative;

const Mod = TotalSerialism.Transform;

const Rand = TotalSerialism.Stochastic;

​

var col = 8;

var row = 8;

var amt = 64;

var speed = 5;

var reset = 15 * speed; //the reset speed for pattern length

var seed = 95843; //the seed will change the psuedorandomness

​

var vals = Gen.fill(0, amt) //empty array with 0's

​

function setup() {

  createCanvas(windowWidth, windowHeight);

}

​

function draw() {

  background(0);

  translate(width/2, height/2);

  var posX = Gen.spread(amt, -width/2, width/2);

  if (frameCount % reset === 0 || frameCount === 1){

    Rand.seed(5839);

  }

  if (frameCount % speed === 0 || frameCount === 1){

    vals = Mod.rotate(vals, -1);

    vals[vals.length-1] = Rand.randomFloat(1, -1, 1)[0];

  }

  for (let i in vals){

    stroke(255);

    strokeWeight(2);

    line(posX[i], 0, posX[i], vals[i]*height/2);

  }

}