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Question by AnniJ · Dec 11, 2015 at 03:19 PM · javascriptarrayinventory system

Inventory system: Find an empty slot with Array

Hello guys,

I'm currently working on an inventory system and now I need to find out which slots are empty, so that I can put the items there.

I guess for that it would be good to use arrays, but I'm not too familiar with them.

Could any of you tell me the rough constellation of a loop through an array to find the slot with the boolean "empty" (preferably in Javascript)?

Thanks in advance ;)

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Answer by robin-theilade · Dec 12, 2015 at 09:33 AM

@Annij, here is one way of testing for empty inventory slots in an array:

 #pragma strict
 
 var maxInventorySlots = 5;
 var array = new Array();
 
 function Start ()
 {
     array.length = maxInventorySlots;
     array[0] = 'hello world';
 
     for(var index = 0; index < maxInventorySlots; index++)
     {
         if (array[index] == null)
         {
             Debug.Log('Index ' + index + ' is empty.');
         }
     }
 }

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