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 //------------------------------------------------------------------------------