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Question by Trollvahkiin · Oct 12, 2013 at 04:16 PM · variablecheck

How do I check teh value of a variable in another script.

I need to check the number in another variable. Not add to it or take away but simply check what it is.

For example:

     // ScriptA.js
     
     var health = 100;
          
     // ScriptB.js
 
     var healthFromScriptA : int = what ever is in script A;
     
     function Update() 
     {
        print(healthFromScriptA)
     }
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Answer by aldonaletto · Oct 12, 2013 at 04:37 PM

This is the most frequent question in UA. Take a look at this answer.

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avatar image Trollvahkiin · Oct 12, 2013 at 05:17 PM 0
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I made it kind of work. When I use this script it gives me an error.

 #pragma strict
 
 private var survivalScript : GUISurvival;
 var targetObj: Transform;
 var foodLevel : int;
 
 function Start () 
 {
     survivalScript = GameObject.Find("Player").GetComponent(GUISurvival);
     var targetScript: GUISurvival = targetObj.GetComponent(GUISurvival);
 }
 
 function Update()
 {
     foodLevel = targetScript.currentHunger;
 }
 
 function OnTriggerEnter (Col : Collider)
 {
     if(Col.tag == "Player")
     {
         Destroy(gameObject);
         survivalScript.currentHunger += 10;
     }
 }

Error: (15,21): BCE0005: $$anonymous$$ identifier: 'targetScript'.

avatar image aldonaletto · Oct 12, 2013 at 05:30 PM 0
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It's almost ok - you've changed the script reference variable to survivalScript, but still are using targetScript. Replace targetScript by survivalScript and remove the second line of Start:

 #pragma strict
  
 private var survivalScript : GUISurvival;
 var foodLevel : int;
  
 function Start () 
 {
     survivalScript = GameObject.Find("Player").GetComponent(GUISurvival);
 }
  
 function Update()
 {
     foodLevel = survivalScript.currentHunger;
 }
  
 function OnTriggerEnter (Col : Collider)
 {
     if(Col.tag == "Player")
     {
        Destroy(gameObject);
        survivalScript.currentHunger += 10;
     }
 }

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