AABBTreeBase.C

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    Copyright (C) 2022 OpenCFD Ltd.
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License
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#include "AABBTree.H"
#include "treeBoundBox.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

Foam::scalar Foam::AABBTreeBase::tolerance_ = 1e-4;


// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //

void Foam::AABBTreeBase::writeOBJ
(
    Ostream& os,
    const treeBoundBox& bb,
    label& vertIndex,
    const bool writeLinesOnly
)
{
    // Annotate with '#box' which can be grep'd for later
    os  << "#box" << nl;

    pointField pts(bb.points());

    for (const point& p : pts)
    {
        os  << "v " << p.x() << ' ' << p.y() << ' ' << p.z() << nl;
    }

    if (writeLinesOnly)
    {
        for (const edge& e : treeBoundBox::edges)
        {
            os  << "l " << e[0] + vertIndex + 1
                << ' ' << e[1] + vertIndex + 1 << nl;
        }
    }
    else
    {
        for (const face& f : treeBoundBox::faces)
        {
            os  << 'f';
            for (const label fpi : f)
            {
                os  << ' ' << fpi + vertIndex + 1;
            }
            os  << nl;
        }
    }

    vertIndex += pts.size();
}


// ************************************************************************* //