cloning bees and bombs

int circles = 12;
int steps = 60;
float theta, r;

void setup() {
  size(500, 500);
  frameRate(25);
}
void draw() {
  background(#5E8795);
  translate(width/2, height/2);
  pushMatrix();
  //rotate(-r);
  for (int i=0; i<circles; i++) {
    pushMatrix();
    float offSet = TWO_PI/circles*float(i);
    rotate(offSet+r);
    float sz = map(sin(theta+offSet), -1, 1, 20, 50);
    noStroke();
    fill(#EEC294);
    ellipse(150, 0, sz, sz);
    popMatrix();
  }
  popMatrix();
  r += (TWO_PI/steps/circles);
  theta = r*circles*((TWO_PI+TWO_PI/circles)/TWO_PI);
  if (frameCount%1==0 && frameCount<steps+1) saveFrame("frames/image-###.gif");
}