Files
create/src/Mod/Mesh/App/WildMagic4/Wm4TriangleKey.inl
2011-10-10 13:44:52 +00:00

89 lines
2.1 KiB
C++

// Wild Magic Source Code
// David Eberly
// http://www.geometrictools.com
// Copyright (c) 1998-2007
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or (at
// your option) any later version. The license is available for reading at
// either of the locations:
// http://www.gnu.org/copyleft/lgpl.html
// http://www.geometrictools.com/License/WildMagicLicense.pdf
// The license applies to versions 0 through 4 of Wild Magic.
//
// Version: 4.0.0 (2006/06/28)
namespace Wm4
{
//----------------------------------------------------------------------------
inline TriangleKey::TriangleKey (int iV0, int iV1, int iV2)
{
if (iV0 < iV1)
{
if (iV0 < iV2)
{
// v0 is minimum
V[0] = iV0;
V[1] = iV1;
V[2] = iV2;
}
else
{
// v2 is minimum
V[0] = iV2;
V[1] = iV0;
V[2] = iV1;
}
}
else
{
if (iV1 < iV2)
{
// v1 is minimum
V[0] = iV1;
V[1] = iV2;
V[2] = iV0;
}
else
{
// v2 is minimum
V[0] = iV2;
V[1] = iV0;
V[2] = iV1;
}
}
}
//----------------------------------------------------------------------------
inline bool TriangleKey::operator< (const TriangleKey& rkKey) const
{
if (V[2] < rkKey.V[2])
{
return true;
}
if (V[2] > rkKey.V[2])
{
return false;
}
if (V[1] < rkKey.V[1])
{
return true;
}
if (V[1] > rkKey.V[1])
{
return false;
}
return V[0] < rkKey.V[0];
}
//----------------------------------------------------------------------------
inline TriangleKey::operator size_t () const
{
return V[0] | (V[1] << 10) | (V[2] << 20);
}
//----------------------------------------------------------------------------
} //namespace Wm4