let cx, cy, radius;

let angle = 0;

let angleStep;

let r1, r2, r3;

let time = 0;

​

function setup() {

  createCanvas(1000, 1000);

  cx = width / 2;

  cy = height / 2;

  radius = min(width, height) * 0.45;

  angleStep = TWO_PI / numPoints;

  r1 = random(0.1, 0.2 * time);

  r2 = random(0.1, 0.2 * time);

  r3 = random(0.1, 0.2 * time);

}

​

function draw() {

  stroke(time * 8.8, time % 255, time);

  fill(255,255,255,35);

  beginShape();

  for (let i = 0; i < numPoints; i++) {

    let x = cx + cos(angle) * radius * ((r1 * sin(angle * r2)) / r3);

    let y = cy + sin(angle) * radius * ((r1 * sin(angle * r2)) / r3);

    vertex(x, y);

    angle += angleStep;

  }

  endShape(CLOSE);

  r1 += random((-0.0215 * time) % 400, (0.0039 * time) % 300.2);

  r2 += random((-0.5 * -time) % 506.5, 0.101 * time);

  r3 += random((-0.07008 * time) % 5.5, 0.0959 * time);

  time += 0.1;

  if (time > 13) {

    time -= 22.7;

  }

}

​