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Question by Octillerysnacker · Aug 05, 2015 at 03:03 AM · javascripttransforms

Cannot convert 'UnityEngine.GameObject' to 'UnityEngine.Transform'. error

So the question is the error I'm getting at line 53, column 72. I'm not exactly sure what I'm doing wrong as I'm pretty sure that gameObject.transform is legal.

Here's the code:

 #pragma strict
 public var currentBlock : GameObject;
 public var rotationOffset : float;
 public var currentHand : GameObject;
 public var hands : GameObject;
 
 function Start () {
 
 }
 
 function Update () {
             var ray : Ray = Camera.main.ScreenPointToRay(Input.mousePosition);
             var hit : RaycastHit;
         if (Input.GetMouseButtonDown (0)) {
             
             if (Physics.Raycast(ray,hit) ) {
             if (hit.collider.tag == "Detector") {
                 //hit.collider.name
                 //hit.collider.tag
                 //hit.point
                 //hit.collider.gameObject.transform.position
                 //Destroy (hit.collider.gameObject);
                 var clone : GameObject;
                 var vec = currentBlock.transform.rotation.eulerAngles;
                 vec.x = vec.x + rotationOffset;
                 clone = Instantiate(currentBlock, hit.collider.gameObject.transform.position, Quaternion.Euler(vec));
                 }
             }
         }
         if (Input.GetMouseButtonDown (1)) {
             
             if (Physics.Raycast(ray,hit)) {
                 if(hit.collider.tag == "Ground") {
                     Destroy(hit.transform.gameObject);
             }
                 
             }
         }
         if (Input.GetKeyDown("r") && rotationOffset != 360){
             rotationOffset = rotationOffset + 90;
         } else {
             if (Input.GetKeyDown('r') && rotationOffset == 360){
             rotationOffset = 0;
             }
         }
         if (Input.GetKeyDown("e")) {
             if(currentHand != null) {
                         currentHand.gameObject.transform.parent = null;
                     }
             if (Physics.Raycast(ray,hit)) {
                 if(hit.collider.tag == "Movable") {
                     currentHand = hit.collider.gameObject;
                     currentHand.transform.parent = hands;
                 }
             }
         }
     }

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avatar image getyour411 · Aug 05, 2015 at 03:12 AM 0
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Also see this http://docs.unity3d.com/ScriptReference/Transform.SetParent.html

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Answer by ransomink · Aug 05, 2015 at 03:25 AM

Like Eric5h5 mentioned, you have to set an Transform as a parent, not a Gameobject, like your hands variable. Do something like:

 currenthand.transform.parent = hands.transform;

But I don't think you can set the parent of an Gameobject like that anymore. You have to do:

 currenthand.transform.SetParent( hands.transform );
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avatar image getyour411 · Aug 05, 2015 at 03:26 AM 0
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You can do either, slight variation of effect (described in link provided)

avatar image Octillerysnacker · Aug 05, 2015 at 02:44 PM 0
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Thanks for explaining why it didn't work :D

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Answer by Eric5h5 · Aug 05, 2015 at 03:05 AM

Transform.parent must refer to a Transform, not a GameObject.

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