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Question by AndersMalmgren · Apr 16, 2016 at 10:09 AM · transformchild objectparent and childtransform.parent

Picking up object with transform.parent does not work

This is a start for my pickup script, its used to pickup objects in the world. WHen picked up it should be added as a child to the gameobject which the script is attached to. It does not work correctly, the object is attached, but its also transformed, its scale changes

 public class PickupObject : MonoBehaviour {
 
     private readonly List<GameObject> collidings = new List<GameObject> ();
     private GameObject pickedUpObject;
 
     // Use this for initialization
     void Start () {
     
     }
     
     // Update is called once per frame
     void Update () {
         print (collidings.Count);
         if (Input.GetMouseButtonDown (0) && pickedUpObject == null && collidings.Count != 0) {
             print("Picking up");
             pickedUpObject = collidings.First ();
             collidings.Clear();
             pickedUpObject.transform.parent = this.transform;
 
         } else if (Input.GetMouseButtonUp (0)&& pickedUpObject != null) {
             print("Dropping");
             pickedUpObject.transform.parent = null;
             pickedUpObject = null;
         }
     }
 
     void OnTriggerEnter (Collider other) {
         if (other.gameObject.tag == "Movable" && pickedUpObject == null) {
             collidings.Add(other.gameObject);
         }
     }
 
     void OnTriggerExit (Collider other) {
         if (other.gameObject.tag == "Movable") {
             collidings.Remove(other.gameObject);
         }
 
 
     }
 }
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Answer by meat5000 · Apr 16, 2016 at 10:09 AM

Use SetParent instead of parent

http://docs.unity3d.com/ScriptReference/Transform.SetParent.html

It allows you to retain world position, scale and rotation.

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avatar image AndersMalmgren · Apr 16, 2016 at 09:18 PM 0
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Thanks, tried that, but it still transforms it

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