DtDynamicTerrainGeometry.h

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


#pragma once

#include <vrvUtil/vrvUtil.h>

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

namespace makVrv
{
   class DT_DLL_VRVUTIL DtDynamicTerrainGeometry
   {
   public:
      class DT_DLL_VRVUTIL Visitor
      {
      public:
         virtual ~Visitor();


         virtual void visitSphere(const DtVector& center, double radius) = 0;

         virtual void visitLine(const std::vector<DtVector>& vertices) = 0;

         virtual void visitUnion(
            const DtDynamicTerrainGeometry&, const DtDynamicTerrainGeometry&) = 0;

         virtual void visitIntersection(
            const DtDynamicTerrainGeometry&, const DtDynamicTerrainGeometry&) = 0;
      };


      static DtDynamicTerrainGeometry* Union(DtDynamicTerrainGeometry*, DtDynamicTerrainGeometry*);
      static DtDynamicTerrainGeometry* Intersection(DtDynamicTerrainGeometry*, DtDynamicTerrainGeometry*);
      static DtDynamicTerrainGeometry* Sphere(const DtVector& center, double radius);
      static DtDynamicTerrainGeometry* Point(const DtVector& center);
      static DtDynamicTerrainGeometry* Line(const std::vector<DtVector>& vertices);
   public:
      
      DtDynamicTerrainGeometry();

      virtual ~DtDynamicTerrainGeometry();

      //Not copyable
      DtDynamicTerrainGeometry(const DtDynamicTerrainGeometry& copy) = delete;

      //Not assignable
      DtDynamicTerrainGeometry& operator=(const DtDynamicTerrainGeometry& copy) = delete;

   public:
      virtual DtDynamicTerrainGeometry* clone() const = 0;

      virtual void accept(Visitor& visitor) const = 0;

      virtual bool intersects(const DtDynamicTerrainGeometry& geometry) const = 0;

      virtual double distanceTo(const DtVector& point) const = 0;

      virtual bool isFinite() const = 0;
   };
}