StellarXipher/Assets/Scripts/PauseMenu.cs

using UnityEngine;
using UnityEngine.SceneManagement;

public class PauseMenu : MonoBehaviour
{
    public GameObject pauseMenuUI;
    public GameObject[] crosshairs;
    public MonoBehaviour playerMovementScript;

    private bool isPaused = false;

    void Start()
    {
        pauseMenuUI.SetActive(false);
    }

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Escape))
        {
            if (isPaused)
                Resume();
            else
                Pause();
        }
    }

    public void Resume()
    {
        pauseMenuUI.SetActive(false);
        foreach (GameObject crosshair in crosshairs)
        {
            if (crosshair != null)
                crosshair.SetActive(true);
        }
        if (playerMovementScript != null)
            playerMovementScript.enabled = true;
        Time.timeScale = 1f;
        isPaused = false;
        Cursor.lockState = CursorLockMode.Locked;
        Cursor.visible = false;
    }

    void Pause()
    {
        pauseMenuUI.SetActive(true);
        foreach (GameObject crosshair in crosshairs)
        {
            if (crosshair != null)
                crosshair.SetActive(false);
        }
        if (playerMovementScript != null)
            playerMovementScript.enabled = false;
        Time.timeScale = 0f;
        isPaused = true;
        Cursor.lockState = CursorLockMode.None;
        Cursor.visible = true;
    }

    public void ReturnToMainMenu()
    {
        Time.timeScale = 1f;
        SceneManager.LoadScene("MainMenu");
    }

    public void ExitGame()
    {
        Debug.Log("Exiting game...");
        Application.Quit();
    }
}