var m = 2000;

var rad = 1.5;

var nperiod = 4.0;

var SEED;

function setup() {

  createCanvas(400, 400);

  SEED = random(10, 10000);

}

var t = 0;

function draw() {

    background(0);

  t = (t + .1) % 1;

  stroke(255, 255, 255, 50);

  for(var i=0;i<m;i++){

    var p = 1.0*i/m;

    var dx = 25*noise(SEED + rad*cos(TWO_PI*(nperiod*p-t)),rad*sin(TWO_PI*(nperiod*p-t)),4.0*p);

    var dy = 25*noise(2*SEED + rad*cos(TWO_PI*(nperiod*p-t)),rad*sin(TWO_PI*(nperiod*p-t)),4.0*p);

    point(p*width + dx,height/2 + dy);

  }

}