tetPoints.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
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    Copyright (C) 2011-2012 OpenFOAM Foundation
    Copyright (C) 2017-2020 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
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Class
    Foam::tetPoints
 
Description
    Tet storage. Null constructable (unfortunately tetrahedron<point, point>
    is not)
 
SourceFiles
 
\*---------------------------------------------------------------------------*/
 
#ifndef tetPoints_H
#define tetPoints_H
 
#include "tetrahedron.H"
#include "FixedList.H"
#include "treeBoundBox.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                         Class tetPoints Declaration
\*---------------------------------------------------------------------------*/
 
class tetPoints
:
    public FixedList<point, 4>
{
public:
 
    // Constructors
 
        //- Default construct
        inline tetPoints()
        {}
 
        //- Construct from four points
        inline tetPoints
        (
            const point& a,
            const point& b,
            const point& c,
            const point& d
        )
        {
            operator[](0) = a;
            operator[](1) = b;
            operator[](2) = c;
            operator[](3) = d;
        }
 
        //- Copy construct from subset of points
        inline tetPoints
        (
            const UList<point>& points,
            const FixedList<label, 4>& indices
        )
        :
            FixedList<point, 4>(points, indices)
        {}
 
 
    // Member Functions
 
        //- Return the tetrahedron
        inline tetPointRef tet() const
        {
            return tetPointRef
            (
                operator[](0),
                operator[](1),
                operator[](2),
                operator[](3)
            );
        }
 
        //- Calculate the bounding box
        inline treeBoundBox bounds() const
        {
            treeBoundBox bb(operator[](0));
            for (label i = 1; i < size(); ++i)
            {
                bb.add(operator[](i));
            }
            return bb;
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //