Pause/unpause with input.getkeydown issue

Question

Hi all, could anyone explain why this code works with "else if" but doesn't work if it is only "if". Thanks.

     void Start () {
         restart.onClick.AddListener(restart_game);
         exit.onClick.AddListener(exit_game);
         resume.onClick.AddListener(resume_game);
         mainScreen.onClick.AddListener(main_screen);
         isGameOver = FindObjectOfType<collision_detect>().is_game_over;
         game_paused = false;
         
     }
     
     // Update is called once per frame
     void Update () {
 
         if(Input.GetKeyDown(KeyCode.Escape))
         {
 
             if(game_paused == true)
             {
             restart_button.SetActive(false);
             exit_button.SetActive(false);
             gameOver.SetActive(false);
             resume_button.SetActive(false);
             game_paused = false;
             Time.timeScale = 1;
             }
 
             else if(game_paused == false)
             {
             gameOverText.text = "game paused";
             restart_button.SetActive(true);
             exit_button.SetActive(true);
             gameOver.SetActive(true);
             resume_button.SetActive(true);
             game_paused = true;
             Time.timeScale = 0;
             }
 
         }

Answer 1

Best Answer

Answer by TreyH · Feb 26, 2018 at 09:08 PM

Are you asking why it doesn't work properly if that else if block was removed? Well, you wouldn't have anything to change your game_paused from false to true, as it could only go from true to false.

If you're wanting to have a single block, you could do:

 if(Input.GetKeyDown(KeyCode.Escape))
 {
     game_paused = !game_paused;
         
     restart_button.SetActive(game_paused);
     exit_button.SetActive(game_paused);
     gameOver.SetActive(game_paused);
     resume_button.SetActive(game_paused);
 
     Time.timeScale = (game_paused) ? 0 : 1;
 }

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Answer 2

Answer by zymagoras · Feb 27, 2018 at 08:14 PM

Thanks man, it took me few minutes to digest what you said and now when i look at my code i feel retarded :D

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Pause/unpause with input.getkeydown issue

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