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Question by sandhillceltic · Jan 31, 2014 at 02:18 AM · javascripterrorfor-looptroubleshootingjavascript-specific

For statement errors?

So, I am working on a parenting script that will make an array of objects parent to another object. Before I go any further, here is my script-

 var allforces : GameObject [];
 var editmode = true;
 
 
 function Update () {
     allforces = GameObject.FindGameObjectsWithTag("force");
     
     
     if(Input.GetKeyDown("space")){
         editmode = !editmode;
         
         if(editmode == true) {         //what happens if the player switches from edit mode to play mode
             Gotoedit ();
         }
     }
 }
 
 
 
 function Gotoedit () {
     for(var i : int = 0; !i = allforces.length; i++) {
         allforces[i].transform.parent = GameObject.FindGameObjectWithTag("fuse");
     }
 }


The first part of the script works perfectly (function Update), but the (function Gotoedit) does not work. I keep getting the errors

  1. Assets/Standard Assets/Scripts/modemanager.js(21,56): BCE0043: Unexpected token: ).

  2. Assets/Standard Assets/Scripts/modemanager.js(21,33): BCE0044: expecting ;, found '='.

This is very annoying, as I cannot work on the script (or the game, for that matter) until I have fixed the errors. This is my first time messing around with FOR statements, so pardon me if this is an noob mistake. I got all my references from the following links-

http://unity3d.com/learn/tutorials/modules/beginner/scripting/loops

http://answers.unity3d.com/questions/11547/how-do-i-use-for-to-create-loops-in-my-script-and.html

I seem to have gotten the form of the FOR statement right, but I remain getting the same result. Could someone PLEASE figure out what I'm doing wrong?

*Javascript only, please

*Thanks

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Answer by ffxz7ff · Jan 31, 2014 at 02:27 AM

You probably want

 !i == allforces.length

instead of

 !i = allforces.length

== is a comparison, = is an assignment.

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avatar image Bunny83 · Jan 31, 2014 at 02:35 AM 0
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He probably want to use

     i < allforces.length

ins$$anonymous$$d since it's shorter, the most common for statement condition and more safe than checking for inequality.

btw inequality has it's own operator:

     i != allforces.length
avatar image ffxz7ff · Jan 31, 2014 at 02:37 AM 0
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Yeah, that would be less weird indeed.

avatar image sandhillceltic · Jan 31, 2014 at 02:47 AM 0
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ffxz thanks a lot! I actually knew that, I must have missed it. Thanks!

avatar image sandhillceltic · Jan 31, 2014 at 02:49 AM 0
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I changed it to

 function Gotoedit () {
     for(var i : int = 0; !i < allforces.length; i++) {
         allforces[i].transform.parent = GameObject.FindGameObjectWithTag("fuse");
     }
 }


as that seems to suit my purpose better. Thanks for the speedy reply, I needed that tonight!

avatar image ffxz7ff · Jan 31, 2014 at 05:38 AM 0
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