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Math3D.h

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * 3D数学ヘッダ
00022  * @author Junpee
00023  */
00024 
00025 #ifndef MATH_3D_H_
00026 #define MATH_3D_H_
00027 
00028 #include <Core/Primitive/Vector3.h>
00029 
00030 namespace Lamp{
00031 
00032 //------------------------------------------------------------------------------
00033 /**
00034  * 3D数学ヘッダ
00035  */
00036 class Math3D{
00037 public:
00038 
00039     /**
00040      * 法線の計算
00041      * @param vertex0 頂点0
00042      * @param vertex1 頂点1
00043      * @param vertex2 頂点2
00044      * @return 法線
00045      */
00046     static Vector3 calculateNormal(const Vector3& vertex0,
00047         const Vector3& vertex1, const Vector3& vertex2);
00048 
00049     /**
00050      * Zルックアット
00051      * @param target Zが見る目標
00052      * @return XYZ回転
00053      */
00054     static Vector3 lookAtZ(const Vector3& target);
00055 
00056 private:
00057     // コンストラクタの隠蔽
00058     Math3D();
00059 
00060 };
00061 //------------------------------------------------------------------------------
00062 } // End of namespace Lamp
00063 #endif // End of MATH_3D_H_
00064 //------------------------------------------------------------------------------

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