WildRoot/Assets/Script/GameManager.cs

using NUnit.Framework.Constraints;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;


public class GameManager : MonoBehaviour
{
    public GameObject gameoverText;
    public Text timeText;
    public Text recordText;

    private float surviveTime;
    private bool isGameover;

    public void EndGame()
    {
        isGameover = true;
        gameoverText.SetActive(true);

        float bestTime = PlayerPrefs.GetFloat("BestTime");
        if(surviveTime > bestTime)
        {
            bestTime = surviveTime;
            PlayerPrefs.SetFloat("BestTime", bestTime);
        }

        recordText.text = "Best Time: " + (int)bestTime;
    }


    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Start()
    {
        surviveTime = 0;
        isGameover = false;
    }

    // Update is called once per frame
    void Update()
    {
        if(!isGameover)
        {
            surviveTime += Time.deltaTime;
            timeText.text = "Time: " + (int)surviveTime;
        }
        else
        {
            if(Input.GetKeyDown(KeyCode.R))
            {
                SceneManager.LoadScene("Game");
            }
        }

    }

    public float GetSurviveTime()
    {
        return surviveTime;
    }
}