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