10/14 時鐘和計時器1

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using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using System.Globalization;
public class a  MonoBehaviour
{
    public Text mytext;
    public Text mytxt;
    private float myTime = 0f;
    private bool isFinish = false;
     Use this for initialization
    void Start()
    {
        myTime = float.Parse(mytext.text, CultureInfo.InvariantCulture.NumberFormat);
    }
     Update is called once per frame
    void Update()
    {
        if (myTime  0f)
        {
            myTime -= Time.deltaTime;
            int myNumber = (int)myTime;
            mytext.text = myNumber.ToString();
        }
        else
        {
            if (!isFinish)
            {
                print(time out);
                mytext.text = 0;
                isFinish = true;
            }
        }
        mytxt.text = System.DateTime.Now.ToString();
    }
}