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Question by madmike6537 · Feb 13, 2013 at 01:50 AM · getcomponentforeach

Accessing children of a gameObject by name

Hi,

I am trying to access a child object on my gameObject using its name, then access a a script on it. I cant figure out why its not working. Would someone mind taking a look and seeing if I did something wrong here? There is no errors, it just never accesses the other script ( I have a debug.log statement in the other script that never runs when the bool is set to true).

_players is an array of GameObjects btw. Thanks!

 foreach (Transform child in _players[cnt].transform)
                 {
                     if(child.name == "Trigger")
                     {
                         _healthAndDamageScript = child.GetComponent<HealthAndDamage>();
                         _healthAndDamageScript.takingWaterDamage = true;
                     }
                 }
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Answer by madmike6537 · Feb 13, 2013 at 02:17 AM

Ah was a problem actually with my healthanddamage script, not the foreach loop. Closing this.

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Answer by Proportion1 · Feb 13, 2013 at 02:19 AM

it could be that the foreach condition should be a gameobject instead of a transform.

 foreach (Gameobject child in _players[cnt]) // assuming that the array is full of gameobjects.

also double check that the object actually has the correct name. did u possibly mean to use child.tag instead of child.name? also as a handy hint just a debug.log outside the "if" condition so that you actually know that your code is getting to that part of your script.

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avatar image madmike6537 · Feb 13, 2013 at 02:20 AM 0
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Thanks - free 1 up for you even though I realized it was a script issue earlier. I appreciate the reply.

avatar image Proportion1 · Feb 13, 2013 at 06:35 AM 0
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yay for free :D

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Answer by aldonaletto · Feb 13, 2013 at 02:20 AM

You can find a child by name with Transform.Find:

 Transform child = _players[cnt].transform.Find("Trigger");
 if (child){
     _healthAndDamageScript = child.GetComponent<HealthAndDamage>();
     _healthAndDamageScript.takingWaterDamage = true;
 }

But if "Trigger" is deeper in the hierarchy, you must pass the complete path instead of just the child name. For instance: if "Trigger" is a child of "Body", and "Body" is a child of the _players[n] object, you should pass "Body/Trigger" to Find:

 Transform child = _players[cnt].transform.Find("Body/Trigger");

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avatar image madmike6537 · Feb 13, 2013 at 02:21 AM 0
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Thanks for the reply. +1 sir.

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