@Override
	public void run() {
		super.run();
		while (gameScreen.isRunning()) {
			if (new Random().nextFloat() > 0.50f) {
				gameScreen.newAmmoBox(new AmmoBox(gameScreen, start));
			}
			if (new Random().nextFloat() > 0.50f) {
				gameScreen.newHeart(new Heart(gameScreen, start));
			}
			if (new Random().nextFloat() > 0.3f) {
				gameScreen.newZombie();
			}
			try {
				Thread.sleep(5000);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
	}