function setup() {
  createCanvas(400, 400, WEBGL);
  //background(0);
}

var angle = 0;

function draw() {
  background(0);
  //translate(width/2,height/2);
  rotateY(angle);
  angle += 0.01;
  var beta = 0;
  noFill();
  stroke(255);
  strokeWeight(4);
  beginShape();
  while(beta < PI) {
    var r = 100 * (0.8 + 1.6 * sin(6 * beta));
    var theta = 2 * beta;
    var phi = 0.6 * PI * sin(12 * beta);

    var x = r * cos(phi) * cos(theta);
    var y = r * cos(phi) * sin(theta);
    var z = r * sin(phi);

    beta += 0.01;
    vertex(x, y, z);
  }
  endShape(CLOSE);

}