/*  -*-c++-*-
 *  Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * OpenSceneGraph Public License for more details.
 */

#ifndef OSGANIMATION_STACKED_TRANSFORM
#define OSGANIMATION_STACKED_TRANSFORM 1

#include <osg/MixinVector>
#include <osgAnimation/Export>
#include <osgAnimation/StackedTransformElement>

namespace osgAnimation
{

    class OSGANIMATION_EXPORT StackedTransform : public osg::MixinVector<osg::ref_ptr<StackedTransformElement> >
    {
    public:
        StackedTransform();
        StackedTransform(const StackedTransform&, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);

        void update(float t = 0.0);
        const osg::Matrix& getMatrix() const;

    protected:

        typedef osg::MixinVector<osg::ref_ptr<StackedTransformElement> > inherited;

        osg::Matrix _matrix;
    };



}

#endif