DtEllipsoidModelInstance.h

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/******************************************************************************
** Copyright (c) 2011 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: DtEllipsoidModelInstance.h,v $ $Revision: 1.0 $ $State: Exp $
******************************************************************************/


#pragma once
#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtOsgModelInstance.h>
#include <osg/Geode>
#include <osg/MatrixTransform>
#include <osg/ShapeDrawable>
#include <osg/Material>

namespace makVrv
{
   class DT_DLL_VRVOSG DtEllipsoidModelInstance : public DtOsgModelInstance
   {
   public:

      DtEllipsoidModelInstance(DtDe& de);

      virtual ~DtEllipsoidModelInstance();

      virtual void setDimensions(float length, float width, float height);

      virtual void dimensions(float& length, float& width, float& height);

      virtual void setColor(float r,float g,float b,float a);

      virtual void setColor(const osg::Vec4& color);

      const osg::Vec4& color() const;

      virtual void setLightingEnabled( bool enabled );

      virtual bool realize(DtModelDefinition& definition);

      virtual void setVisible(bool isVisible) {}

   protected:

      virtual void updateColors();

      virtual void updateTransform();

      void createBlendedGeodes();

      void createOpaqueGeode();

      void createSingleSidedBlendedGeode();

   protected:

      osg::Vec3 myDimensions;
      osg::Vec4 myColor;

      osg::ref_ptr<osg::ShapeDrawable> myEllipsoidDrawable;
      osg::ref_ptr<osg::Geode> myGeode;
      osg::ref_ptr<osg::Geode> myBlendedGeode;
      osg::ref_ptr<osg::Geode> myFrontGeode;
      osg::ref_ptr<osg::Geode> myBackGeode;
      osg::ref_ptr<osg::MatrixTransform> myTransform;
      osg::ref_ptr<osg::Material> myMaterial;

      bool mySingleSided;
   };

   class DT_DLL_VRVOSG DtEllipsoidModelInstanceCreator : public DtModelInstanceCreator
   {
   public:      

      static void registerCreator(DtDe& de);

      virtual ~DtEllipsoidModelInstanceCreator ();

      virtual DtModelInstance* create(DtDe& de);

   protected:

      DtEllipsoidModelInstanceCreator ();
   };
}