float ugao = 0;

void mnogougao(float xc, float yc, float r, int n, float u) {
  ellipseMode(RADIUS);
  ellipse(xc, yc, r, r);
  for (int i = 0; i < n-1; i++)
    for (int j = i + 1; j < n; j++)
      line(xc + r * cos(u + i * TWO_PI / n),
           yc + r * sin(u + i * TWO_PI / n),
           xc + r * cos(u + j * TWO_PI / n),
           yc + r * sin(u + j * TWO_PI / n));
}

void setup() {
  size(640,360);
  noFill();
  stroke(255);
  frameRate(24);
  for (int i=1; i < 5; i++) {
    mnogougao(100 + 150 * (i-1), 100, 60, (i+2), 0);
    mnogougao(100 + 150 * (i-1), 250, 60, (i+7), 0);
  }
}

void draw() {
  ugao += 0.1;
  if (ugao >= TWO_PI)
    ugao = 0;
  background(0);  
  for (int i = 1; i < 5; i++) {
    float ug = ugao;
    if (i%2 == 0) ug = -ugao;
    mnogougao(100 + 150 * (i-1), 100, 60, (i+2), ug);
    mnogougao(100 + 150 * (i-1), 250, 60, (i+7), -ug);
  }
}