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OrientedBoxDistance.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  * 指向性ボックス距離ヘッダ
00022  * @author Junpee
00023  */
00024 
00025 #ifndef ORIENTED_BOX_DISTANCE_H_
00026 #define ORIENTED_BOX_DISTANCE_H_
00027 
00028 namespace Lamp{
00029 
00030 class OrientedBox;
00031 class Plane;
00032 class Ray;
00033 class Segment;
00034 class Sphere;
00035 class Triangle;
00036 
00037 //------------------------------------------------------------------------------
00038 /**
00039  * 指向性ボックス距離
00040  */
00041 class OrientedBoxDistance{
00042 public:
00043     //--------------------------------------------------------------------------
00044     // 点
00045     //--------------------------------------------------------------------------
00046     /**
00047      * 点距離の二乗
00048      * @param ob 指向性ボックス
00049      * @param point 点
00050      * @return 距離の二乗
00051      */
00052     static float squaredDistance(
00053         const OrientedBox& ob, const Vector3& point);
00054 
00055     //--------------------------------------------------------------------------
00056     // 指向性ボックス
00057     //--------------------------------------------------------------------------
00058     /**
00059      * 指向性ボックス距離の二乗
00060      * @param ob0 指向性ボックス
00061      * @param ob1 指向性ボックス
00062      * @return 距離の二乗
00063      */
00064     static float squaredDistance(
00065         const OrientedBox& ob0, const OrientedBox& ob1);
00066 
00067     //--------------------------------------------------------------------------
00068     // 平面
00069     //--------------------------------------------------------------------------
00070     /**
00071      * 平面距離
00072      * @param ob 指向性ボックス
00073      * @param plane 平面
00074      * @return 距離
00075      */
00076     static float distance(const OrientedBox& ob, const Plane& plane);
00077 
00078     //--------------------------------------------------------------------------
00079     // レイ
00080     //--------------------------------------------------------------------------
00081     /**
00082      * レイ距離の二乗
00083      * @param ob 指向性ボックス
00084      * @param ray レイ
00085      * @return 距離の二乗
00086      */
00087     static float squaredDistance(const OrientedBox& ob, const Ray& ray);
00088 
00089     //--------------------------------------------------------------------------
00090     // セグメント
00091     //--------------------------------------------------------------------------
00092     /**
00093      * セグメント距離の二乗
00094      * @param ob 指向性ボックス
00095      * @param segment セグメント
00096      * @return 距離の二乗
00097      */
00098     static float squaredDistance(
00099         const OrientedBox& ob, const Segment& segment);
00100 
00101     //--------------------------------------------------------------------------
00102     // 球
00103     //--------------------------------------------------------------------------
00104     /**
00105      * 球距離の二乗
00106      * @param ob 指向性ボックス
00107      * @param sphere 球
00108      * @return 距離の二乗
00109      */
00110     static float squaredDistance(
00111         const OrientedBox& ob, const Sphere& sphere);
00112 
00113     //--------------------------------------------------------------------------
00114     // 三角
00115     //--------------------------------------------------------------------------
00116     /**
00117      * 三角距離の二乗
00118      * @param ob 指向性ボックス
00119      * @param triangle 三角
00120      * @return 距離の二乗
00121      */
00122     static float squaredDistance(
00123         const OrientedBox& ob, const Triangle& triangle);
00124 
00125 private:
00126     //--------------------------------------------------------------------------
00127     // コンストラクタの隠蔽
00128     OrientedBoxDistance();
00129 
00130 };
00131 
00132 //------------------------------------------------------------------------------
00133 } // End of namespace Lamp
00134 #endif // End of ORIENTED_BOX_DISTANCE_H_
00135 //------------------------------------------------------------------------------

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