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Question by Onionvision · Dec 25, 2013 at 08:40 PM · javascriptgameobjectrandomspawn

Generate random number and set a GameObject active.

Hi, I'm not so familiar with JS, but I almost got what I need. Let's start with an example, I have 3 deactivated GameObjects and I want the game to generate a random number between 1 and 4 (1,2,3), then if the number is 1 activate the cube1, if the number is 2 activate the cube2, ecc...

The not-working script I wrote is this:

 var c1 : GameObject;
 var c2 : GameObject;
 var c3 : GameObject;
 private var random : int;
  
 function Start () 
 {
      random = Random.Range(1, 4);
 }
  
 function Update () 
 {
 
 if (random.Equals == 1);
          c1.SetActive (true);
 if (random.Equals == 2);
          c2.SetActive (true);
 if (random.Equals == 3);
          c3.SetActive (true);
 
 }

I cannot figure how to get this working..

Thanks a lot guys!

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Answer by azmat786n · Dec 26, 2013 at 04:59 AM

 var c1 : GameObject;
 var c2 : GameObject;
 var c3 : GameObject;
 
 private var random : int;
  
 function Start ()
 {
     random = Random.Range(1, 4);
 
     if (random == 1) {
      c1.SetActive (true);
     }
     else if (random == 2) {
      c2.SetActive (true);
     }
     else {
      c3.SetActive (true);
     }
 }
  
 function Update ()
 {
   //Note : don't call a one time function in Update()
   //like gameObject.active its need a one time call
 }
 
 
 //This is For C#
 gameObject.SetActive(true)
 
 //these can be use in javascript
 gameObject.SetActiveRecursively(true); 
 gameObject.active = true;
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avatar image azmat786n · Dec 26, 2013 at 05:03 AM 0
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and also range should be Random.Range(1,3);

avatar image KellyThomas · Dec 26, 2013 at 07:07 AM 0
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@azmat786n Random.Range($$anonymous$$: int, max: int) is exclusive of of max. (docs)

avatar image Onionvision · Dec 26, 2013 at 10:02 AM 0
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That worked! Thanks a lot :)

avatar image azmat786n · Dec 26, 2013 at 01:01 PM 0
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@$$anonymous$$elly$$anonymous$$ look at the above script he called Random.Range(1,4) while he have 3 object that why i am telling him to change range to 1 to 3 :) anyway Thanks i am a game developer and developing games since 2006. these days i am running my own game studio check link below of my games. Visit Link

avatar image KellyThomas · Dec 26, 2013 at 04:30 PM 1
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... but if you want an integer between 1 and 3 inclusive then it is correct to call Random.Range(1,4).

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