Center of Mass, small issue. Any help appreciated!

Hello again all!

I'm thrown off, not exactly sure what's wrong here so...a question for the interwebs:

Code (CSharp):

1.  
2. using UnityEngine;
3. using System.Collections;
4. using System.Collections.Generic;
5.  
6. public class CoM_Find : MonoBehaviour{
7.     public float sysMass;
8.     public Vector3 CoM;
9.  
10.     //Gizmos
11.     void OnDrawGizmos(){
12.         //CoM
13.         Gizmos.DrawWireSphere (CoM, 1f);
14.     }
15.  
16.     void Update(){
17.         //Vars
18.         CoM = Vector3.zero;
19.         sysMass = 0f;
20.      
21.         //Get Children // Objects involved with CoM
22.         GameObject[] children = new GameObject[transform.childCount];
23.         for (int i = 0; i < children.Length; i++){
24.             children[i] = transform.GetChild(i).gameObject;
25.         }
26.      
27.         //Calculate CoM
28.         foreach (GameObject gO in children){
29.             CoM += gO.rigidbody.worldCenterOfMass * gO.rigidbody.mass;
30.             sysMass += gO.rigidbody.mass;
31.         }
32.         CoM /= sysMass;
33.  
34.     }
35. }
36.  

Merging ideas from HarvestR's code, this works if I move the objects manually in the inspector (you can see the Center of Mass position update), but does not work if I move the objects through script...

What have I done wrong?

 

Bump.
Sorry, really wont to get back to work : )

 

Pity bump?