void Death()
{
isDead = true;
//取消自增生命值和魔法值
CancelInvoke();
playerMana.CancelInvoke();
playerShooting.DisableEffects();
anim.SetTrigger("Die");
playerAudio.clip = deathClip;
playerAudio.Play();
playerMovement.enabled = false;
playerShooting.enabled = false;
}
