children = new ArrayList<Spatial>();
children = new ArrayList<Spatial>(1);
    public void read(JMEImporter e) throws IOException {        super.read(e);        children = e.getCapsule(this).readSavableArrayList("children", null);        if (children == null)            children = new ArrayList<Spatial>();        // go through children and set parent to this node        for (int x = 0, cSize = children.size(); x < cSize; x++) {            Spatial child = children.get(x);            child.parent = this;        }    }