This question was closed Sep 12, 2015 at 08:05 PM by Extrapafurdio for the following reason:

Problem is not reproducible or outdated

Question by Extrapafurdio · Sep 10, 2015 at 12:51 AM · canvas hierarchy activation

How to open and close a "message box"?

I have two scripts. One, attached to the player, in which, if it is standing on a page, and I press E, the game object is deactivated in the hierarchy. Then I have this other one...

 public GameObject page;
 public GameObject bigPage;
 private bool haveRead = true;
 
 void Update () 
 {
     if (!page.activeInHierarchy && haveRead) 
     {
         bigPage.SetActive(true);
     }
     
     if (Input.GetKeyDown (KeyCode.E)) 
     {
         bigPage.SetActive (false);
     }
 }

...that is supposed to check if the page game object is deactivated in the hierarchy, and, if it is, it activates the bigPage canvas image, previously deactivated. If I press E, the canvas image should be deactivated again, but that's the problem. The canvas is activated properly, but right when I press E, it is immediately reactivated. I believe it is because the code is inside the void Update() function, but I have no idea how to "break this cycle" as the page will remain deactivated "forever". I appreciate any suggestion on how to solve this, or even on how to do it in a different way. Thank you very much!

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Positive7 · Sep 10, 2015 at 01:08 AM 0

haveRead is always true

 if (Input.Get$$anonymous$$eyDown ($$anonymous$$eyCode.E)) 
         {
             haveRead = !haveRead;
             bigPage.SetActive (false);
         }

Extrapafurdio Positive7 · Sep 10, 2015 at 03:37 PM 0

This code works, but I wanted the bigPage to be activated immediately after the page is deactivated, and press E only to deactivate it, while not being able to open it again after.

Positive7 Extrapafurdio · Sep 10, 2015 at 04:08 PM 0

change haveRead = !haveRead; to haveRead = false; Let me know if it doesn't work and I'll take a deeper look int this.

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Extrapafurdio · Sep 10, 2015 at 05:49 PM 0

Ok, I just realized something. As I said, there are two scripts. What I want to do is, press E to collect the page (first script). Then, the bigPage appear, and when I press E again, it disappear again (second script). What I believe is that when I press E both things happen: the page is deactivated, activating the bigPage that is immediately deactivated, because E does BOTH things.

Here is the first script:

 void OnTriggerStay2D(Collider2D page)
 {
     if (page.gameObject.CompareTag ("Collectible") && Input.Get$$anonymous$$eyDown ($$anonymous$$eyCode.E)) 
     {
         page.gameObject.SetActive (false);
         bigPage.SetActive(true);
     }
 }

I also tried merging both scripts, but it is the same E dilemma:

 public GameObject bigPage;
 private bool haveRead = false;

 void OnTriggerStay2D(Collider2D page)
 {
     if (page.gameObject.CompareTag ("Collectible") && Input.Get$$anonymous$$eyDown ($$anonymous$$eyCode.E)) 
     {
         page.gameObject.SetActive (false);
         bigPage.SetActive(true);
     }
 }
 void Update()
 {
     if (bigPage.activeInHierarchy) 
     {
         if(Input.Get$$anonymous$$eyDown($$anonymous$$eyCode.E) && haveRead == true)
         {
             bigPage.SetActive(false);
         }
     }
 }

That works properly if I substitue the last if(Input.Get$$anonymous$$eyDown($$anonymous$$eyCode.E) && haveRead == true) for if(Input.Get$$anonymous$$eyDown($$anonymous$$eyCode.F)).

So, I think that I need to create a "gap" between both actions? A way to separate the E for collecting and the E for deactivating the bigPage.