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71 lines
2.6 KiB
71 lines
2.6 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#ifndef plTriUtils_inc |
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#define plTriUtils_inc |
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class plTriUtils |
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{ |
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public: |
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enum Bary { |
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kInsideTri = 0x0, |
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kOnVertex0 = 0x1, |
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kOnVertex1 = 0x2, |
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kOnVertex2 = 0x4, |
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kOnVertex = kOnVertex0 | kOnVertex1 | kOnVertex2, |
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kOnEdge01 = 0x8, |
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kOnEdge12 = 0x10, |
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kOnEdge02 = 0x20, |
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kOnEdge = kOnEdge01 | kOnEdge12 | kOnEdge02, |
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kOutsideTri = 0x100, |
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kDegenerateTri = 0x200, |
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}; |
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protected: |
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Bary IComputeBarycentric(const hsVector3& v12, hsScalar invLenSq12, const hsVector3& v0, const hsVector3& v1, hsPoint3& out); |
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int ISelectAxis(const hsVector3& norm); |
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hsBool IFastBarycentric(int iAx, const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, const hsPoint3&p, hsPoint3& out); |
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public: |
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Bary ComputeBarycentricProjection(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, hsPoint3&p, hsPoint3& out); |
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Bary ComputeBarycentric(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, const hsPoint3&p, hsPoint3& out); |
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hsBool FastBarycentricProjection(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, hsPoint3&p, hsPoint3& out); |
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hsBool FastBarycentric(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, const hsPoint3&p, hsPoint3& out); |
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hsBool ProjectOntoPlane(const hsVector3& norm, hsScalar dist, hsPoint3& p); |
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hsBool ProjectOntoPlane(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, hsPoint3& p); |
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hsBool ProjectOntoPlaneAlongVector(const hsVector3& norm, hsScalar dist, const hsVector3& vec, hsPoint3& p); |
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hsBool ProjectOntoPlaneAlongVector(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, const hsVector3& vec, hsPoint3& p); |
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}; |
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#endif // plTriUtils_inc
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