1 using UnityEngine; 2 using System.Collections; 3  4 public class Instantiate : MonoBehaviour { 5     public float targetTime = 60f; 6     public float currentTime = 0f; 7     // Use this for initialization 8     void Start () { 9       15     }16     17     // Update is called once per frame18     void Update () {19         FirstCutDownTime();20 21     }22     ////计时器23     void FirstCutDownTime()24     {25         currentTime += Time.deltaTime;26         if(currentTime>=1f){27             currentTime = 0f;28             Debug.Log(targetTime);29             targetTime -= 1f;30             if (targetTime < 0f) {31                 targetTime = 60f;32             }33         }34     }35 }