based on the subject of Phyllotaxis

    Patterns inspired by nature.

*/

var n = 0;

var c = 6;

​

var points = [];

​

var start = 0;

​

function setup() {

  createCanvas(450, 450);

  angleMode(DEGREES);

  colorMode(HSB);

}

​

function draw() {

  background(0);

  translate(width / 2, height / 2);

  rotate(n * 0.3);

  for (var i = 0; i < n; i++) {

    var a = i * 137.5;

    var r = c * sqrt(i);

    var x = r * cos(a);

    var y = r * sin(a);

    var hu = sin(start + i * 0.1);

    hu = map(hu, -1, 1, 0, 360);

    fill(hu, 255, 255);

    noStroke();

    ellipse(x, y, c+1, c+1);

  }

  n += 5;

  start += 0.1;

}

​