GUI resume button not working?

Question

I've made a simple method of pausing my game within my GameManager class as seen here:

 using UnityEngine;
 using System.Collections;
 
 public class GameManager : MonoBehaviour {
 
     private string[] levelList; //Create a list of levels
 
     public int playerScore;
 
     private bool isPaused;
 
     void Awake() {
         DontDestroyOnLoad(this.gameObject);
     }
 
     void Start () {
         isPaused = false;
         Screen.lockCursor = true;
     }
     
     void Update () {
         if (Input.GetKeyDown(KeyCode.Escape)) {
             pauseToggle();
         }
     }
 
     void OnGUI() {
         if (isPaused) {
             GUI.Box(new Rect(-8, -8, Screen.width + 8, Screen.height + 8), "");
 
             GUI.Box(new Rect(Screen.width / 2 - 160, Screen.height / 2 - 240, 320, 480), "Pause Menu");
 
             if (GUI.Button(new Rect(Screen.width / 2 - 120, Screen.height / 2 - 200, 120, 80), "Close Menu")) {
                 isPaused = false;
                 Time.timeScale = 1.0f;
                 Screen.lockCursor = true;
                 Debug.Log("Unpaused");
                 isPaused = false;
             }
 
             if (GUI.Button(new Rect(20, 70, 80, 20), "Title Screen")) {
                 Application.LoadLevel(1);
             }
         }
     }
 
     void pauseToggle() {
         if (!isPaused) {
             Time.timeScale = 0.0f;
             Screen.lockCursor = false;
             isPaused = true;
         }
         else {
             Time.timeScale = 1.0f;
             Screen.lockCursor = true;
             isPaused = false;
         }   
     }
 }

The problem is that the Escape key pauses/unpauses the game perfectly, however when the pause Resume button is clicked the GUI seems to freeze yet I can still toggle the pause state with Escape to get out of it.

I've tried both what is current under the Buttons if statement and simply using the pauseToggle function I made earlier. I must be missing something but I can't seem to figure it out.

Answer 1

Answer by VIPINSIRWANI · May 07, 2014 at 07:48 AM

Hi Once check your pauseToggle() is called on every Escape key press or print something inside pauseToggle() and one more thing you should mot use*Time.timeScale* instead of that you can use boolean values for pause or Resume Game.

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Answer 2

Answer by DricoJD · May 07, 2014 at 09:58 AM

I Think I know the problem

Do not do (!isPaused)as this is a toggle option, which conflicts with you two sets of isPaused in ONGUI (). If you remove the double then test, if that does not work - which I highly predict it will not work then change !isPaused to (isPaused == true);

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Answer 3

Answer by AzureKnight45 · May 08, 2014 at 12:14 AM

I fixed it guys, just set timeScale to some ridiculously low value like 0.0000001f. Basically paused as far as normal perception is concerned. Maybe it's a bug or not but the OnGUI function seems to mess up when timeScale is absolute zero.

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meat5000 ♦ · May 08, 2014 at 12:54 AM 1

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Yes its a bit obscure but setting timeScale to 0 has be known to cause lots of problems when it comes to resu$$anonymous$$g! The problem is not limited to OnGUI either :P

Your approach is a good, common way to resolve this problem. Search on answers for Pausing Game and you'll see what I mean.

Answer 4

Answer by Wolfy1891 · Jun 20, 2021 at 12:09 AM

Obviously, this is a late answer. However, for anyone else looking for an answer.

I had this happen with my pause script. I fixed it by going into the unity input section and found that the button it had for cancel was also Esc.

I changed that to another button (specifically to backspace, but I'm sure any other button works) and there was no longer a fight for the ESC key.

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GUI resume button not working?

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