public void StartMovingObject(ModelingObject movedObject)
    {
        foreach (Transform unit in this.transform)
        {
            if (unit.CompareTag("ModelingObject"))
            {
                ModelingObject currentModelingObject = unit.GetComponent <ModelingObject> ();

                if (currentModelingObject != movedObject)
                {
                    currentModelingObject.UseAsPossibleSnap();
                }
            }

            if (unit.CompareTag("Group"))
            {
                if (unit.transform != movedObject.group)
                {
                    foreach (Transform groupElement in unit.transform)
                    {
                        if (groupElement.CompareTag("ModelingObject"))
                        {
                            ModelingObject currentModelingObject = groupElement.GetComponent <ModelingObject> ();

                            if (currentModelingObject != movedObject)
                            {
                                currentModelingObject.UseAsPossibleSnap();
                            }
                        }
                    }
                }
            }
        }
    }