Smoke v2.0

var t = 0, s = 0.005, n = 100, margin = 100;

​

var hueRange = [0, 255];

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(0);

  noFill();

  colorMode(HSB);

  strokeWeight(5);

} 

​

function draw() {

  stroke(map(t, 0, 5, hueRange[0], hueRange[1]) % hueRange[1], 255, 255, 0.1);

  beginShape(POINTS);

  for(var i = 0; i < n; i ++) {

    var x = map(i, 0, n-1, 0, width);

    var y = map(noise(i/n, t), 0, 1, margin, height-margin);

    vertex(x, y);

  }

  endShape();

  t += s;

}

​

function mousePressed() {

  //background(0);

}