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ENH: Update to commit 0bbd3e5 re: tet point inside

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This commit is contained in:
andy
2011-02-24 16:28:10 +00:00
parent 1f160083b1
commit fd954c6167
1 changed files with 54 additions and 10 deletions
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64
src/OpenFOAM/meshes/primitiveShapes/tetrahedron/tetrahedronI.H
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@ -393,22 +393,66 @@ bool Foam::tetrahedron<Point, PointRef>::inside(const point& pt) const
// area[1] = Sb();
// area[2] = Sc();
// area[3] = Sd();
// planeBase[0] = tetBasePt = tet.b()
// planeBase[1] = ptA = tet.c()
// planeBase[2] = tetBasePt = tet.b()
// planeBase[3] = tetBasePt = tet.b()
// planeBase[0] = tetBasePt = b_
// planeBase[1] = ptA = c_
// planeBase[2] = tetBasePt = b_
// planeBase[3] = tetBasePt = b_
vector n = Sa();
n /= (Foam::mag(n) + VSMALL);
vector n = vector::zero;
if (((pt - b_) & n) > SMALL)
{
return false;
// 0, a
const point& basePt = b_;
n = Sa();
n /= (mag(n) + VSMALL);
if (((pt - basePt) & n) > SMALL)
{
return false;
}
}
else
{
return true;
// 1, b
const point& basePt = c_;
n = Sb();
n /= (mag(n) + VSMALL);
if (((pt - basePt) & n) > SMALL)
{
return false;
}
}
{
// 2, c
const point& basePt = b_;
n = Sc();
n /= (mag(n) + VSMALL);
if (((pt - basePt) & n) > SMALL)
{
return false;
}
}
{
// 3, d
const point& basePt = b_;
n = Sd();
n /= (mag(n) + VSMALL);
if (((pt - basePt) & n) > SMALL)
{
return false;
}
}
return true;
}