TAPsTetrahedron.hpp

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/******************************************************************************
TAPsTetrahedron.hpp

Tetrahedron class is a class for a tetrahedron.

SUKITTI PUNAK   (09/13/2005)
UPDATE          (09/25/2005)
******************************************************************************/
#ifndef TAPs_TETRAHEDRON_HPP
#define TAPs_TETRAHEDRON_HPP

#include "TAPsAbstractPolyhedron.hpp"

BEGIN_NAMESPACE_TAPs
//=============================================================================
template <typename T>
class Tetrahedron : 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 >::const_iterator m_itor; // iterator
    //*/
    /*
    std::vector< LIST > m_vVertexValence;// list of vertex valence
    std::vector< LIST > m_vVertexFace;   // list of faces having the vertex
    std::vector< LIST > m_vFace;         // list of vertices comprising the face
    std::vector< LIST >::iterator m_itor; // iterator
    //*/
//=============================================================================
// Member Functions
public:
    //-------------------------------------------------------------------------
    // Constructors and Destructor
    Tetrahedron ();
    // Point Numbering:
    // ----------------
    // Faces will be drawn in CCW
    // Assuming pt#0 is the deepest one in (minus) z-direction
    // with the right-handed coordinate system
    //              2                  y
    //            / | \                |
    //           /  |  -               |
    //          /   | F0 \             |________x
    //         / F1 0-----1           /
    //        /  - / F2  /           /
    //        |/___ ----            z
    //        3
    // Face#0: 0 2 1
    // Face#1: 0 3 2
    // Face#2: 0 1 3
    // Face#3: 1 2 3
    Tetrahedron ( Vector3<T> const p[4] );
    virtual ~Tetrahedron ();
    //-------------------------------------------------------------------------
protected:
    //-------------------------------------------------------------------------
    // Helper Function(s)
    void SetupStaticMembers ();
    virtual void CalNormals ();
public:
    virtual void Setup ();
    //-------------------------------------------------------------------------
#if defined(__gl_h_) || defined(__GL_H__)
public:
    // DrawByOpenGL
    virtual void DrawByOpenGL ();
#endif
    //-------------------------------------------------------------------------
}; // END CLASS Tetrahedron
//=============================================================================
END_NAMESPACE_TAPs
//-----------------------------------------------------------------------------
// Include definition if TAPs_USE_EXPORT is not defined
//#if !defined( TAPs_USE_EXPORT )
    #include "TAPsTetrahedron.cpp"
//#endif
//-----------------------------------------------------------------------------
#endif
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