msh2BoundingBox.h

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#ifndef _msh2BoundingBox_h
#define _msh2BoundingBox_h
 
#include <cisstVector/vctFixedSizeVectorTypes.h>
 
// Always include last!
#include <cisstMesh/mshExport.h>
 
class CISST_EXPORT msh2BoundingBox
{
 public:
    vct2 MinCorner;
    vct2 MaxCorner;
    //vct2 HalfExtents;  // SDB
 public:
 
    //void ComputeHalfExtents();
 
    vct2 Diagonal() const {return MaxCorner-MinCorner;};
    double DiagonalLength() const {return Diagonal().Norm();};
 
    vct2 MidPoint() const { return (MinCorner+MaxCorner)*0.5;};
 
    msh2BoundingBox(const vct2& MinC, const vct2& MaxC )
        : MinCorner(MinC), MaxCorner(MaxC)
    {}; //{ ComputeHalfExtents(); };
 
    msh2BoundingBox()
        : MinCorner(HUGE_VAL,HUGE_VAL), MaxCorner(-HUGE_VAL,-HUGE_VAL)
        {}; //{ ComputeHalfExtents(); };
 
    msh2BoundingBox(const msh2BoundingBox& S)
        : MinCorner(S.MinCorner), MaxCorner(S.MaxCorner)
        {}; //{ ComputeHalfExtents(); };
 
    msh2BoundingBox& operator=(const msh2BoundingBox& S)
        { MinCorner=S.MinCorner; MaxCorner=S.MaxCorner;
            //HalfExtents=S.HalfExtents;
            return *this; };
 
    msh2BoundingBox& operator=(const vct2& V)
        { MinCorner=MaxCorner=V;
            //HalfExtents.Assign(0.0,0.0,0.0);
            return *this;};
 
    msh2BoundingBox& Include(const msh2BoundingBox& him);
    msh2BoundingBox& Include(const vct2& V);
 
    msh2BoundingBox& EnlargeBy(double dist)
    { MinCorner -= dist; MaxCorner+= dist;
        return *this;
    };
    //ComputeHalfExtents(); };
 
    int Includes(const vct2& p, double dist=0.0) const
    { if (p[0] +dist < MinCorner[0]) return 0;
        if (p[1] +dist < MinCorner[1]) return 0;
        //if (p[2] +dist < MinCorner[2]) return 0;
        if (p[0] -dist > MaxCorner[0]) return 0;
        if (p[1] -dist > MaxCorner[1]) return 0;
        //if (p[2] -dist > MaxCorner[2]) return 0;
        return 1; // point is within distance "dist" of this bounding box
    };
 
    int Includes(const msh2BoundingBox& B, double dist=0.0) const
    { return Includes(B.MinCorner,dist)&&Includes(B.MaxCorner,dist);
    };
};
 
#endif