DtAxisAlignedBoundingBox.h

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

#pragma once

#include <vrvMath/DtMatrix4.h>

namespace makVrv
{
   // typedef for extents of an AABB
   enum Extent
   {
        EXTENT_NULL = 0
      , EXTENT_FINITE
      , EXTENT_INFINITE
   };

   template <class T>
   class DtAxisAlignedBoundingBox
   {
   public:
      DtAxisAlignedBoundingBox();

      DtAxisAlignedBoundingBox(const DtVector3<T>& vMin
         , const DtVector3<T>& vMax);

      template <class RHS>
      DtAxisAlignedBoundingBox(const DtAxisAlignedBoundingBox<RHS>& rhs);

      template <class RHS>
      DtAxisAlignedBoundingBox& operator=(const DtAxisAlignedBoundingBox<RHS>& rhs);

      ~DtAxisAlignedBoundingBox();
   public:

      const DtVector3<T>& min(void) const;

      const DtVector3<T>& max(void) const;

      DtVector3<T> center(void) const;

      T boundingSphereRadius(void) const;

      DtVector3<T> halfSize(void) const;

      DtVector3<T> size(void) const;

      Extent extent(void) const;

      void setMinMax(const DtVector3<T>& vMin, const DtVector3<T>& vMax);

      void setNull(void);

      void setInfinite(void);

      void merge(const DtAxisAlignedBoundingBox<T>& rhs);

      void transformAffine(const DtMatrix4<T>& m);

      bool isInfinite(void) const;

      bool isFinite(void) const;

      bool isNull(void) const;

      void GetCorners(DtVector3<T> corners[8]) const;
   protected:
      DtVector3<T> myVectorMin;
      DtVector3<T> myVectorMax;
      Extent myExtent;
   };

   typedef DtAxisAlignedBoundingBox<float32> AxisAlignedBoundingBox_32;
   typedef DtAxisAlignedBoundingBox<float64> AxisAlignedBoundingBox_64;

} //namespace makVrv

#include "DtAxisAlignedBoundingBox.inl"