@Override
    public StructStd140BufferObject clone() {
        StructStd140BufferObject clone = (StructStd140BufferObject) super.clone();
        return clone;
    }
Update data and layout (when needed) using a Struct class.

@param struct
jme3-core/src/main/java/com/jme3/util/struct/StructStd140BufferObject.java