GAMEN3_FinalDelivery/GAMEN3_FinalProject/Assets/Scripts/Timer/Timer.cs

using TMPro;
using UnityEngine;

public class Timer : MonoBehaviour
{
    [SerializeField] float timerTime = 60.00f;
    [SerializeField] TextMeshProUGUI timerText;

    private void Update()
    {
        if(GameManager.gameManagerInstance.gameState == GameManager.GameState.Playing)
        {
            timerTime -= Time.deltaTime;
            timerText.text = timerTime.ToString();

            if(timerTime < 0)
            {
                GameManager.gameManagerInstance.gameState = GameManager.GameState.GameOver;
            }
        }
    }

}