PauseMenu.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement; // Include this for SceneManager

public class PauseMenu : MonoBehaviour
{
    public string levelSelect; // Name of the level select scene
    public string mainMenu; // Name of the main menu scene, corrected casing to camelCase

    public bool isPaused;// Variable to track if the game is paused
    public GameObject pauseMenuCanvas;// Reference to the pause menu canvas object

    // Update is called once per frame
    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Escape))// Check if the escape key is pressed
        {
            isPaused = !isPaused;
            Debug.Log("isPaused: " + isPaused);// Print the value of isPaused
        }

        if (isPaused)
        {
            pauseMenuCanvas.SetActive(true);
            Time.timeScale = 0f; // Pause the game
            Debug.Log("isPaused: " + isPaused);// Print the value of isPaused
        }
        else
        {
            pauseMenuCanvas.SetActive(false);
            Time.timeScale = 1f; // Resume game time
            Debug.Log("game resumed "); // Print the value of isPaused
        }
    }

    public void Resume()// Function to resume the game
    {
        isPaused = false;// Set isPaused to false
    }

    public void LevelSelect()
    {
        SceneManager.LoadScene(levelSelect); // Updated to use SceneManager
    }

    public void Quit()
    {
        SceneManager.LoadScene(mainMenu); // Updated to use SceneManager
    }
}