let a2 = 0;

​

let x = [];

let y = [];

​

let cr = [];

let amp = 15;

let pts = amp * 20;

let period = 15;

​

let degree = 360;

let xoff = 0;

let yoff = 0;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  angleMode(DEGREES);

  colorMode(HSB);

}

​

function draw() {

  background(0, 0.05);

​

  let nMap1 = map(noise(xoff, yoff), -1, 1, 250, 50);

  let nMap2 = map(noise(xoff, yoff), 0, 1, 50, 250);

  translate(width / 2, height / 2);

​

  push();

  rotate(a1);

  circlePoints(nMap1, nMap1, 1);

  pop();

​

  push();

  rotate(a2);

  circlePoints(nMap2, nMap2, 1);

  pop();

​

  push();

  rotate(a1);

  circlePoints(nMap2, nMap1, 2);

  pop();

​

  push();

  rotate(a2);

  circlePoints(nMap1, nMap2, 1);

  pop();

​

  push();

  rotate(a1);

  circlePoints(nMap2 * 1.5, nMap1, 3);

  pop();

​

  push();

  rotate(a2);

  circlePoints(nMap1 * 1.5, nMap2, 1);

  pop();

​

  xoff += 0.005;

  yoff += 0.007;

​

  a1 += 0.5;

  a2 -= 0.5;

}

​

function circlePoints(r, n, s) {

  beginShape(POINTS);

  for (let i = 0; i <= pts; i++) {

    let angle = (i / pts) * degree;

    cr = amp * cos(angle * period + n);

    x[i] = (r + cr) * cos(angle);

    y[i] = (r + cr) * sin(angle);

    noFill();

    strokeWeight(s);

    stroke(n);

    vertex(x[i], y[i]);

  }

  endShape();

}

​