private bool game_over = false; //游戏结束
void Update()
{
for (int i = 0; i < patrols.Count; i++)
{
patrols[i].gameObject.GetComponent <PatrolData>().wall_sign = wall_sign;
}
//水晶收集完毕
if (recorder.GetCrystalNumber() == 0)
{
Gameover();
}
}