smart-bow-infrared/Assets/ShotSimulator/Scripts/UI/Train/TacticalModeSettingUIView.cs

using ProjectBase.UI;
using ShotSimulator.User;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

namespace ShotSimulator.UI
{
    public class TacticalModeSettingUIView : BaseUIView
    {
        public Text CountdownText;
        protected override void OnShowCallBack()
        {
            base.OnShowCallBack();

            StartCoroutine(StartCountdown());
        }

        private IEnumerator StartCountdown()
        {
            for (int i = 10; i >= 0; i--)
            {
                CountdownText.text = i.ToString();
                yield return new WaitForSeconds(1f);
            }
            Main.GetInstance().ResetAim();

            yield return new WaitForSeconds(2f);
            UIManager.GetInstance().HideUIView(this);
        }
    }
}