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Question by rhbrr5hrfgdfgw · Jun 24, 2015 at 08:41 PM · playerprefsoncollisionenter

Playerprefs doesn't work oncollisionenter

I have no idea why its doesn't work, i am trying to save and update the cash amount every time the player touch the coin so at the end(at another script i can call):

 GUI.Box(......... ""+PlayerPrefs.GetInt(cScript.key));

The script:

 var amountOfCash : int;
 var cScript : Store;
 function OnCollisionEnter(c:Collision){
     if(c.collider.tag == "Player" && gameObject.renderer.material.color.a != 0){
         print("Call1");//Calls
         amountOfCash = PlayerPrefs.GetInt(cScript.key);
         amountOfCash+=10;
         PlayerPrefs.SetInt(cScript.key, amountOfCash);
         print("Call2");//not calls
         Destroy(gameObject);
     }
 }

cScript is an object of type 'Store' class(contain key string)

 gameObject.renderer.material.color.a != 0)

is because i made a fade effect for the texture so if alpha is equal to 0(On other script) the object is destroyed regardless to this script

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avatar image Pflobus · Jun 24, 2015 at 09:52 PM 0
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What do you mean by "key"?

avatar image rhbrr5hrfgdfgw · Jun 24, 2015 at 09:56 PM 0
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the cScript.key is a string in class 'Store' and in order to call the GetInt function you need to put as a parameter a key.

avatar image kmgr · Jun 24, 2015 at 10:03 PM 0
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Does the OnCollisionEnter method get called? Do you call the gui stuff in the same script as your collision method?

avatar image rhbrr5hrfgdfgw · Jun 24, 2015 at 10:07 PM 0
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Yes the onCollisionEnter is called, i stated in code:

 print("Call1");//Calls

but after the attempt to save its doesn't calls

 print("Call2");//not calls

And no, the gui is in another script.

avatar image rhbrr5hrfgdfgw · Jun 25, 2015 at 03:12 PM 1
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Edit: Found why its not working.. The nullreferecnce was giving me clue about an object which is not exist, i tried to get a component from this game object and the component was on the player object. so i simply used:

 function Start(){
 playerObj = GameObject.FindGameObjectWithTag("tag");
 cScript = playerObj.GetComponent("Store");//Here was the problem..
 }

and then simply use the cScript as it should work.

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