using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class script1 : MonoBehaviour
{
    string nowtime, n1, n2, n3, myname, output;
    // Start is called before the first frame update
    void Start()
    {        
        n1 = "0";
        n2 = "0";
        n3 = "0";
        myname = "";
        output = "message";
    }

    // Update is called once per frame
    void Update()
    {
        nowtime = System.DateTime.Now.ToString();
        n3 = (int.Parse(n1) + int.Parse(n2)).ToString();

    }
    void OnGUI()
    {
        //GUILayout.BeginArea(new Rect(10, 10, 200, 100));
        GUILayout.Label("現在日期時間：" + nowtime);
        
        GUILayout.BeginHorizontal("box1");
            n1 = GUILayout.TextField(n1, 20);
            GUILayout.Label(" + ");
            n2 = GUILayout.TextField(n2, 20);
            GUILayout.Label(" = ");
            GUILayout.TextField(n3, 20);
        GUILayout.EndHorizontal();

        GUILayout.BeginHorizontal("box2");
            GUILayout.Label("帳號：");
            myname = GUILayout.TextField(myname);              
            if (GUILayout.Button("Login"))
            {
                if (myname == "abc")
                    output = "登入成功";
                else
                    output = "登入失敗";
            }
        GUILayout.EndHorizontal();
        //output red color label
        var style2 = new GUIStyle(GUI.skin.label);
        style2.normal.textColor = Color.red;
        GUILayout.Label(output, style2);

        //GUILayout.EndArea();
    }
}