DtExtrudedPolygonModelInstance.h

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/******************************************************************************
** Copyright (c) 2012 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtExtrudedModelInstance.h>
#include <vrvCore/DtExtrudedPolygonModel.h>

namespace makVrv
{
   class DT_DLL_VRVOSG DtExtrudedPolygonModelInstance : public DtExtrudedModelInstance
   {
   public:

      DtExtrudedPolygonModelInstance(DtDe& de);

      virtual ~DtExtrudedPolygonModelInstance();

      virtual void setFill(bool);

      virtual void setPolygonMode(DtExtrudedPolygonModel::PolygonMode mode);

   protected:
      virtual void updatePoints();

      virtual void updatePolygons();

      virtual void addTop();

      virtual void addBottom();

      virtual void updateColors();

      virtual void updateStippling();

      virtual void updateScribeLine();

      virtual void updateGeometry();

      virtual bool frontAndBackFaceRendered() const;

      virtual void calculateCenterPoints();

   protected:
      osg::ref_ptr<osg::Vec3Array> myFillArray;
      osg::ref_ptr<osg::Geometry> myTopGeometry;

      osg::ref_ptr<osg::Geometry> myBottomGeometry;

      bool myFilled;
      bool myPolygonsDirty;
      DtExtrudedPolygonModel::PolygonMode myPolygonMode;
   };
}