DtAxisAlignedBoundingBox.h

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/****************************************************************************** 
** Copyright (c) 2014 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 

#pragma once

#include "DtMatrix4.h"

namespace makVrv {

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);
   virtual ~DtAxisAlignedBoundingBox();

   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;

    typedef std::vector< DtVector3<T> > VectorCorners;
    const VectorCorners& GetCorners(void) const;
private:
   DtVector3<T> myVectorMin;
   DtVector3<T> myVectorMax;
    Extent myExtent;

    VectorCorners m_VectorCorners;
    void UpdateCorners(void);
};

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

} //namespace makVrv

#include "DtAxisAlignedBoundingBox.inl"