// method to print the statistics
void printStatistic()
{ 
  int statisticHeight = 113;
  String textStr;
  PFont font;
  font = loadFont("FrutigerLinotype-Roman-12.vlw"); 
  textFont(font, 12); 

  int seconds = millis()/1000;
  int minutes = seconds/60;
  String time = seconds/60+" Minuten und "+seconds%60+" Sekunden.";
  int sum = population.size();
  int longest = 0;
  int smallest;
  if(sum == 0)
    smallest = 0;
  else 
    smallest = 10000;
  for(int i = 0; i < sum; i++) {
    worm tmp = (worm)population.get(i);
    if(tmp.wormLength > longest)
      longest = tmp.wormLength;
    if(tmp.wormLength < smallest && tmp.wormLength != 0)
      smallest = tmp.wormLength;
  }
  noStroke();
  fill(color(255,150));
  rect(10,img[activeImg].height-statisticHeight-10, img[activeImg].width-20,statisticHeight);
  
  fill(color(0,250));
  textStr = "STATISTIK";
  text(textStr, 15, img[activeImg].height-statisticHeight-5,480,50);
  fill(color(0,220));
  if(sum == 1)
    textStr = sum+" Wurm besiedelt das Bild. \nEs wurden bereits "+pixelsEaten+" Pixel verschlungen. \nWurmlŠnge: "+longest+" Pixel \n\nZeit: "+time;
  else
    textStr = sum+" WŸrmer besiedeln das Bild. \nEs wurden bereits "+pixelsEaten+" Pixel verschlungen. \nKŸrzester Wurm: "+smallest+" Pixel \nLŠngster Wurm: "+longest+" Pixel \nZeit: "+time;
  text(textStr, 15, img[activeImg].height-statisticHeight+20,480,150);
}