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Question by Ki4Chan · Sep 14, 2017 at 07:53 AM · rotationtransformparent and child

Instantiated object's transform changes according to parent object's rotation

I have an Object(parent) having 4 spawn points around it which spawns stars. In the game, Parent object rotates but the Spawned stars don't move according to Parent objects rotation. I have tried all the suggestions people have given in the forum.

     public GameObject starPrefab;
     private GameObject newStarPrefab;
     public Transform[] starSpawnPoints;
 
     void Start () {
         if (!GameObject.FindGameObjectWithTag("Box"))
         {
                 RandomPoint();
         }
     }
 
     void RandomPoint()
     {
         int randomIndex = Random.Range(0, starSpawnPoints.Length);
 
         for (int i = 0; i < starSpawnPoints.Length; i++)
         {
             if (randomIndex == i)
             {
                 newStarPrefab =  Instantiate(starPrefab, starSpawnPoints[i].position, Quaternion.identity);
                 newStarPrefab.transform.parent = gameObject.transform;
             }
         }
     }

I have added this script to the Parent object which rotates after spawning.

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avatar image hexagonius · Sep 14, 2017 at 09:53 AM 0
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You're saying the parent has this script, the spawn points are it's children and after creating stars and attaching them to those they don't normally rotate with it?

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Answer by tormentoarmagedoom · Sep 14, 2017 at 02:04 PM

Hello @Ki4Chan !

As i can see, you instantiate the objects with position starSpawnPoints[i]. As i understand, this transfomrs are the spawns transforms that should move when the parent rotate.

In the scene, do you see the spawns moving? I can't tell you why is happen this, but try this things to check:

Try to chech if the spawn poitns move when parent rotates. before Instantiating the starPrefab, do a

 foreach (Transform TransformSpawn in starSpawnPoints)
 {
  Debug.Log (TransformSpawn.position + " - " + TransformSpawn.name)
 }

To check all SpawnPoints position. Or even try it in the Update if the is rotating all time

You can also try to Instantiate directly to be the child of a transform, using this:

 Instantiate (starPrefab, transform);

If this helps, upvote and check the answer!

If need more help, give more info and use the @tormentoarmagedoom

Bye :D

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avatar image Ki4Chan · Sep 14, 2017 at 02:53 PM 0
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Bro, the same code is working. All I did is closed Unity and reopened it. Thank you for your precious time.

avatar image tormentoarmagedoom Ki4Chan · Sep 14, 2017 at 04:37 PM 0
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Then close the question :D

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