void setup(){
  size (600,600);
   
  background(0);
  smooth();
  float xM =width/2;
  float yM = height/2;

  fill(255);
  stroke (0);
  kringel (6,240,7,3,xM,yM,5,1);

  fill(0);
  stroke(255);
  kringel(16,230,7,1,xM,yM,4,1.4);

  fill(207,255,0);
  stroke(0,255,31);
  kringel (36,200,7,8,xM,yM,5,2.6);

  fill(245,237,0);
  stroke(255,34,0); 
  kringel (20,96,7,5,xM,yM,4,1.8); 
}  


void kringel(float groesse,float r, float anzahlPunkte, float weight, float theXM, float theYM, float index, float teiler){

  if (index<=0) return;

  float t= teiler;
  float anzahl= TWO_PI/anzahlPunkte;
  
  for(float phi= 0; phi< TWO_PI; phi=phi+anzahl){
    float x = theXM + r * cos(phi);
    float y = theYM + r * sin (phi);

    strokeWeight (weight);
    ellipse (x,y,groesse,groesse);

    kringel (groesse/t, r/t,  anzahlPunkte,  weight/t,  x,  y, index-1, teiler);
  }
}