DtDynamicTerrainSphere.h

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/****************************************************************************** 
** Copyright (c) 2020 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 


#pragma once

#include <vrvUtil/vrvUtil.h>

#include <vrvUtil/DtDynamicTerrainGeometry.h>
#include <matrix/vlVector.h>
#include <vector>

namespace makVrv
{
   class DT_DLL_VRVUTIL DtDynamicTerrainSphere : public DtDynamicTerrainGeometry
   {
   public:
      class Intersector : public Visitor
      {
      public:

         explicit Intersector(const DtDynamicTerrainSphere& sphere);

         bool value() const;

         void visitSphere(const DtVector& center, double radius);

         void visitLine(const std::vector<DtVector>& vertices);

         void visitUnion(const DtDynamicTerrainGeometry& left, const DtDynamicTerrainGeometry& right);
         
         void visitIntersection(const DtDynamicTerrainGeometry& left, const DtDynamicTerrainGeometry& right);

      protected:
         const DtDynamicTerrainSphere& mySphere;
         bool myCurrentValue;
      };

   public:

      DtDynamicTerrainSphere(const DtVector& center, double radius);

      virtual ~DtDynamicTerrainSphere();

      // No default CTOR
      DtDynamicTerrainSphere() = delete;

      DtDynamicTerrainSphere(const DtDynamicTerrainSphere& copy) = default;
      DtDynamicTerrainSphere& operator=(const DtDynamicTerrainSphere& copy) = default;

   public:

      virtual DtDynamicTerrainGeometry* clone() const;

      virtual bool intersects(const DtDynamicTerrainGeometry& geometry) const;

      virtual double distanceTo(const DtVector& point) const;

      virtual bool isFinite() const;

      virtual void accept(Visitor& visitor) const;

      virtual const DtVector& center() const;
      
      virtual double radius() const;

   protected:
      const DtVector myCenter;
      const double   myRadius;
   };
}