@Override
	public void run() {
		startFood();
		while(true){			
			moreFood();
			envi.repaint();
			if(envi.getCritters().size() == 0){
				break;
			}
			try {
				Thread.sleep(2000);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}