DtEllipsoidArcModelInstance.h

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/******************************************************************************
** Copyright (c) 2023 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtOsgModelInstance.h>

#include <vrvCore/DtTemplatedModelInstanceCreator.h>

#include <osg/Geode>
#include <osg/MatrixTransform>

namespace makVrv
{
   class DtEllipsoidArcModelInstance;

   typedef DtTemplatedModelInstanceCreator<DtEllipsoidArcModelInstance> DtEllipsoidArcModelInstanceCreator;

   template <>
   inline const char* modelInstanceClassName<DtEllipsoidArcModelInstance>(void) { return "DtEllipsoidArcModelInstance"; }

   template <>
   inline const char* modelInstanceObjectClass<DtEllipsoidArcModelInstance>(void) { return "DtModel"; }

   class DT_DLL_VRVOSG DtEllipsoidArcModelInstance : public DtOsgModelInstance
   {
   public:

      friend DtEllipsoidArcModelInstanceCreator;

      struct EllipsoidArcParameters
      {
         float xLength; // diameter along x axis
         float yLength; // diameter along y axis
         float zLength; // diameter along z axis
         double azimuthMin; // display segment of ellipsoid with above this azimuth
         double azimuthMax; // display segment of ellipsoid with up to this azimuth
         double inclinationMin; // display segment of ellipsoid with above this inclination
         double inclinationMax; // display segment of ellipsoid with up to this azimuth
         float rColor; // RGBA red value
         float gColor; // RGBA green value
         float bColor; // RGBA blue value
         float aColor; // RGBA alpha value
         bool flashing; // Like HTML blink
         int maxTriangles; // maximum # of triangles to use
      };

      static const EllipsoidArcParameters defaultParameters;

      class DtEllipsoidArcModelInstanceCreator;

   public:

      virtual ~DtEllipsoidArcModelInstance();

   private:

      DtEllipsoidArcModelInstance();

      DtEllipsoidArcModelInstance(const DtEllipsoidArcModelInstance&);

      DtEllipsoidArcModelInstance &operator=(const DtEllipsoidArcModelInstance&);

   public:

      virtual void setDimensions(double x, double y, double z);

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

      virtual bool realize(const DtModelDefinition& definition);

      virtual void  addToConnector( DtOsgSceneConnector* connector );

      virtual bool removeFromConnector( DtOsgSceneConnector* connector );

      virtual void setVisible(bool isVisible) {}

   protected:

      DtEllipsoidArcModelInstance(DtDe& de);

      virtual void build(const EllipsoidArcParameters& parameters);

   protected:

      EllipsoidArcParameters myParameters;

      osg::ref_ptr<osg::Geode> myFrontGeode;
      osg::ref_ptr<osg::Geode> myBackGeode;
      osg::ref_ptr<osg::MatrixTransform> myTransform;
   };
}