public class CameraShake : MonoBehaviour {    // 抖动目标的transform(若未添加引用，怎默认为当前物体的transform)    public Transform camTransform;    //持续抖动的时长    public float shake = 0f;    // 抖动幅度（振幅）
　　//振幅越大抖动越厉害    public float shakeAmount = 0.7f;    public float decreaseFactor = 1.0f;    Vector3 originalPos;    void Awake()    {        if (camTransform == null)        {            camTransform = GetComponent(typeof(Transform)) as Transform;        }    }    void OnEnable()    {        originalPos = camTransform.localPosition;    }    void Update()    {        if (shake > 0)        {            camTransform.localPosition = originalPos + Random.insideUnitSphere * shakeAmount;            shake -= Time.deltaTime * decreaseFactor;        }        else        {            shake = 0f;            camTransform.localPosition = originalPos;        }    }}