sked/Assets/Script/Common/UI/Timer.cs

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

public class Timer : MonoBehaviour
{
    public Image imgGauage;
    public Text txtCount;
    [Space(10)]
    public float limit;
    public bool isPlaying = false;
    float timeSum = 0;
    int timeSum2 = 0;
    [Range(0, 1f)]
    public float timeNext = 0.1f;
    System.Action OnEnd;
    public void OnInitialized(float limit, System.Action OnEnd)
    {
        this.limit = limit;
        this.OnEnd = OnEnd;

        secBefore = 0;
        timeSum = 0;
        timeSum2 = 0;

        imgGauage.fillAmount = 1f;
        txtCount.text = $"{(int)limit}";

        isPlaying = true;
        InvokeRepeating("Elapse", timeNext, timeNext);
    }

    int secBefore = 0;
    [Space(10)]
    public SoundPlayer soundClock;
    void Elapse()
    {
        if (!gameObject.activeInHierarchy)
            CancelInvoke();

        timeSum += timeNext;
        timeSum2 = (int)timeSum;
        imgGauage.fillAmount = 1 - (timeSum - timeSum2);
        txtCount.text = $"{(int)(limit - timeSum2)}";

        if (secBefore != (int)(limit - timeSum2))
        {
            SoundManager.Instance.EffectPlay(soundClock.gameObject);
            secBefore = (int)(limit - timeSum2);
        }

        if (limit < timeSum)
        {
            isPlaying = false;
            CancelInvoke();

            if (OnEnd != null)
                OnEnd();
        }
    }
}