TAPsHexahedronCube.hpp

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/******************************************************************************
TAPsHexahedronCube.hpp

HexahedronCube class is a class for a Cube.
A hexahedron is a polyhedron with six faces.  There are seven convex hexahedra, 
coresponding through graph duality with the seven hexahedral graphs (according 
to http://mathworld.wolfram.com/Hexahedron.html)

SUKITTI PUNAK   (09/14/2005)
UPDATE          (09/15/2005)
******************************************************************************/
#ifndef TAPs_HEXAHEDRON_CUBE_HPP
#define TAPs_HEXAHEDRON_CUBE_HPP

#include "TAPsAbstractPolyhedron.hpp"

BEGIN_NAMESPACE_TAPs
//=============================================================================
template <typename T>
class HexahedronCube : public /*virtual*/ AbstractPolyhedron<T> {
//=============================================================================
// Data Members
protected:
    //*
    static bool m_gbHasBeenSet; // for determining whether to set static members
    typedef typename std::vector<int>   LIST;
    static std::vector< LIST >  m_vVertexValence;// list of vertex valence
    static std::vector< LIST >  m_vVertexFace;   // list of faces having the vertex
    static std::vector< LIST >  m_vFace;         // list of vertices comprising the face
    static std::vector< LIST >::iterator m_itor; // iterator
    //*/
//=============================================================================
// Member Functions
public:
    //-------------------------------------------------------------------------
    // Constructors and Destructor
    HexahedronCube ();
    // Point Numbering:
    // ----------------
    // Faces will be drawn in CCW
    // with the right-handed coordinate system
    //           7        6
    //           +--------+            y
    //          /|       /|            |
    //         / |      / |            |
    //       3+--------+2 |            |________x
    //        | 4+-----|--+5          /
    //        | /      | /           /
    //        |/       |/           z
    //        +--------+
    //        0        1
    // Face#0: 0 1 2 3  (front)
    // Face#1: 1 5 6 2  (right)
    // Face#2: 7 6 5 4  (back)
    // Face#3: 0 3 7 4  (left)
    // Face#4: 0 4 5 1  (bottom)
    // Face#5: 2 6 7 3  (top)
    HexahedronCube ( Vector3<T> const p[8] );
    virtual ~HexahedronCube ();
    //-------------------------------------------------------------------------
protected:
    //-------------------------------------------------------------------------
    // Helper Function(s)
    static void SetupStaticMembers ();
    virtual void Setup ();
    virtual void CalNormals ();
    //-------------------------------------------------------------------------
#if defined(__gl_h_) || defined(__GL_H__)
public:
    // DrawByOpenGL
    virtual void DrawByOpenGL ();
#endif
    //-------------------------------------------------------------------------
}; // END CLASS HexahedronCube
//=============================================================================
END_NAMESPACE_TAPs
//-----------------------------------------------------------------------------
// Include definition if TAPs_USE_EXPORT is not defined
//#if !defined( TAPs_USE_EXPORT )
    #include "TAPsHexahedronCube.cpp"
//#endif
//-----------------------------------------------------------------------------
#endif
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