|
|
|
|
/*==LICENSE==*
|
|
|
|
|
|
|
|
|
|
CyanWorlds.com Engine - MMOG client, server and tools
|
|
|
|
|
Copyright (C) 2011 Cyan Worlds, Inc.
|
|
|
|
|
|
|
|
|
|
This program 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.
|
|
|
|
|
|
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
MERCHANTABILITY or 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
|
|
|
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
|
|
|
|
Additional permissions under GNU GPL version 3 section 7
|
|
|
|
|
|
|
|
|
|
If you modify this Program, or any covered work, by linking or
|
|
|
|
|
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
|
|
|
|
|
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
|
|
|
|
|
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
|
|
|
|
|
(or a modified version of those libraries),
|
|
|
|
|
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
|
|
|
|
|
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
|
|
|
|
|
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
|
|
|
|
|
licensors of this Program grant you additional
|
|
|
|
|
permission to convey the resulting work. Corresponding Source for a
|
|
|
|
|
non-source form of such a combination shall include the source code for
|
|
|
|
|
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
|
|
|
|
|
work.
|
|
|
|
|
|
|
|
|
|
You can contact Cyan Worlds, Inc. by email legal@cyan.com
|
|
|
|
|
or by snail mail at:
|
|
|
|
|
Cyan Worlds, Inc.
|
|
|
|
|
14617 N Newport Hwy
|
|
|
|
|
Mead, WA 99021
|
|
|
|
|
|
|
|
|
|
*==LICENSE==*/
|
|
|
|
|
|
|
|
|
|
#ifndef plTriUtils_inc
|
|
|
|
|
#define plTriUtils_inc
|
|
|
|
|
|
|
|
|
|
class plTriUtils
|
|
|
|
|
{
|
|
|
|
|
public:
|
|
|
|
|
enum Bary {
|
|
|
|
|
kInsideTri = 0x0,
|
|
|
|
|
kOnVertex0 = 0x1,
|
|
|
|
|
kOnVertex1 = 0x2,
|
|
|
|
|
kOnVertex2 = 0x4,
|
|
|
|
|
kOnVertex = kOnVertex0 | kOnVertex1 | kOnVertex2,
|
|
|
|
|
kOnEdge01 = 0x8,
|
|
|
|
|
kOnEdge12 = 0x10,
|
|
|
|
|
kOnEdge02 = 0x20,
|
|
|
|
|
kOnEdge = kOnEdge01 | kOnEdge12 | kOnEdge02,
|
|
|
|
|
|
|
|
|
|
kOutsideTri = 0x100,
|
|
|
|
|
|
|
|
|
|
kDegenerateTri = 0x200,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
protected:
|
|
|
|
|
Bary IComputeBarycentric(const hsVector3& v12, hsScalar invLenSq12, const hsVector3& v0, const hsVector3& v1, hsPoint3& out);
|
|
|
|
|
|
|
|
|
|
int ISelectAxis(const hsVector3& norm);
|
|
|
|
|
hsBool IFastBarycentric(int iAx, const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, const hsPoint3&p, hsPoint3& out);
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
|
|
Bary ComputeBarycentricProjection(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, hsPoint3&p, hsPoint3& out);
|
|
|
|
|
Bary ComputeBarycentric(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, const hsPoint3&p, hsPoint3& out);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
hsBool FastBarycentricProjection(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, hsPoint3&p, hsPoint3& out);
|
|
|
|
|
hsBool FastBarycentric(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, const hsPoint3&p, hsPoint3& out);
|
|
|
|
|
|
|
|
|
|
hsBool ProjectOntoPlane(const hsVector3& norm, hsScalar dist, hsPoint3& p);
|
|
|
|
|
hsBool ProjectOntoPlane(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, hsPoint3& p);
|
|
|
|
|
hsBool ProjectOntoPlaneAlongVector(const hsVector3& norm, hsScalar dist, const hsVector3& vec, hsPoint3& p);
|
|
|
|
|
hsBool ProjectOntoPlaneAlongVector(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, const hsVector3& vec, hsPoint3& p);
|
|
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif // plTriUtils_inc
|
