private void destroyEnemy(int index) {
		// TODO Auto-generated method stub
		Rectangle explosion = new Rectangle();
		explosion.width = 60;
		explosion.height = 40;
		explosion.x = enemies.get(index).getRect().x;
		explosion.y = enemies.get(index).getRect().y;
		explosions.add(explosion);
		if(TimeUtils.nanoTime()%100<100)spawnDrop(index);
		enemies.remove(index);
		}