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Question by darkhog · Feb 18, 2017 at 01:45 PM · gameobjectarrays

How do I check if specific game object is in specific array?

Let's say I have a game object that can be in two different arrays, say arr1 and arr2. Then after some event in a game I need to check which array it belongs to. I have used tag and layer for other stuff, so that's out. I don't know what name that object may have either, so reference to GameObject is all I have. How do I check which object array the GO belongs to?

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avatar image navot · Feb 18, 2017 at 02:12 PM 0
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Not completely sure, but I think you can compare two GameObjects just like any other variable, so this might work (untested and you obviously need to replace the names):

 for (int i = 0; i < arr1.Length; i++){
     if (arr1[i] == gameObjectToCompare){
         print("gameObject is in arr1");
     }
 }
avatar image PizzaPie · Feb 18, 2017 at 03:11 PM 0
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What @ThisGuyThatsHere said or with Linq

 using System.Linq;
 
 //...
 GameObject target;        //where target is the wanted GameObject
 if (arr1.Any(a => a == target))
          //do something
 else if (arr2.Any(a => a == target))
         //do something

of course with this you just check for existance and won't get any info about the index of the object.

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Answer by ThisGuyThatsHere · Feb 18, 2017 at 02:48 PM

If you don't use it in update or you aren't at the edge of performance you can simply switch to list and use contains(),

Otherwise use navot's solution e.g. custom contains function.

Code example:

 bool ArrayContains (GameObject[] array, GameObject g) {
     for(int i = 0; i < array.length; i++) {
         if (array[i] == g) return true;
     }
     return false;
 }
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