public void DisableObjectsExcept(ModelingObject selectedObject)
    {
        foreach (Transform model in this.transform)
        {
            if (model.CompareTag("ModelingObject"))
            {
                ModelingObject currentModelingObject = model.GetComponent <ModelingObject> ();

                if (currentModelingObject != selectedObject)
                {
                    currentModelingObject.DeActivateCollider();
                    currentModelingObject.DarkenColorObject();
                }
            }
            else if (model.CompareTag("Group"))
            {
                Group currentGroup = model.GetComponent <Group> ();

                if (currentGroup != selectedObject.group)
                {
                    currentGroup.DeActivateCollider();
                    currentGroup.DarkenColorObject();
                }
            }
        }
    }