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Question by PsuedoKirito · May 02, 2019 at 06:05 AM · c#child object

Keeping Instantiated child objects relative to their parent

So I've instantiated an object and kept it attached to the parent however the parent has a separate script to move, I have no idea how to go about keeping the childs position relative to the parent. if (townLevel = 1) { offset2 = new Vector3(0, 3, 0); Instantiate(buildingsLevel2[Random.Range(0, buildingsLevel2.Count)], transform.position + offset2, transform.rotation); } Code for context, how do I update the position of the child to stay relative with the parent?

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Answer by mchts · May 02, 2019 at 06:50 AM

Just set parent of your instance and they will follow parent. So your code would be like:

 if (townLevel == 1) { 
     offset2 = new Vector3(0, 3, 0); 
     Instantiate(buildingsLevel2[Random.Range(0, buildingsLevel2.Count)], transform.position + offset2, transform.rotation, yourParentTransform); // place here (yourParentTransform) the Transform of parent that you want your childs to follow
 }
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avatar image PsuedoKirito · May 02, 2019 at 08:04 AM 0
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Sorry, I don't entirely understand the parameters for the yourParentTransform(I'm probably just being dumb), I was using transform.parent but that doesn't seem to work.

I'm not actually giving a name to my parent at any point as I'm just using the default transform.position. Do I need to declare the parent first? Or do I put it the same transform that the parents script is perfor$$anonymous$$g?

Say my parents name was Box, and my gameobject with the script on was box1 would I need to box1.transform.parent = Box.transform;

avatar image PsuedoKirito · May 02, 2019 at 08:35 AM 0
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I ended up doing it with thank you!

          GameObject clone = Instantiate(platforms[Random.Range(0, platforms.Count)], transform.position + offset, Quaternion.Euler(-90, 0, 0)) as GameObject;
         clone.transform.parent = gameObject.transform;

avatar image mchts PsuedoKirito · May 02, 2019 at 10:09 AM 0
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 GameObject clone = Instantiate(platforms[Random.Range(0, platforms.Count)], transform.position + offset, Quaternion.Euler(-90, 0, 0)) as GameObject;
 clone.transform.parent = gameObject.transform;



 GameObject clone = Instantiate(platforms[Random.Range(0, platforms.Count)], transform.position + offset, Quaternion.Euler(-90, 0, 0)) as GameObject;
 clone.transform.SetParent(gameObject.transform);



or

  GameObject clone = Instantiate(platforms[Random.Range(0, platforms.Count)], transform.position + offset, Quaternion.Euler(-90, 0, 0), gameObject.transform) as GameObject;

These three are the same and does what you want.

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