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PlaneIntersection.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  * 平面交差ヘッダ
00022  * @author Junpee
00023  */
00024 
00025 #ifndef PLANE_INTERSECTION_H_
00026 #define PLANE_INTERSECTION_H_
00027 
00028 namespace Lamp{
00029 
00030 class Plane;
00031 class Ray;
00032 class Segment;
00033 class Sphere;
00034 class Triangle;
00035 
00036 //------------------------------------------------------------------------------
00037 /**
00038  * 平面交差
00039  */
00040 class PlaneIntersection{
00041 public:
00042     //--------------------------------------------------------------------------
00043     // 点
00044     //--------------------------------------------------------------------------
00045     /**
00046      * 点交差
00047      * @param plane 平面
00048      * @param point 点
00049      * @param range 交差範囲
00050      * @return 交差していればtrue
00051      */
00052     static bool intersect(const Plane& plane, const Vector3& point,
00053         float range = Math::epsilon);
00054 
00055     //--------------------------------------------------------------------------
00056     // 平面
00057     //--------------------------------------------------------------------------
00058     /**
00059      * 平面交差
00060      * @param plane0 平面
00061      * @param plane1 平面
00062      * @return 交差していればtrue
00063      */
00064     static bool intersect(const Plane& plane0, const Plane& plane1);
00065 
00066     //--------------------------------------------------------------------------
00067     // レイ
00068     //--------------------------------------------------------------------------
00069     /**
00070      * レイ交差
00071      * @param plane 平面
00072      * @param ray レイ
00073      * @return 交差していればtrue
00074      */
00075     static bool intersect(const Plane& plane, const Ray& ray);
00076 
00077     //--------------------------------------------------------------------------
00078     // セグメント
00079     //--------------------------------------------------------------------------
00080     /**
00081      * セグメント交差
00082      * @param plane 平面
00083      * @param segment セグメント
00084      * @return 交差していればtrue
00085      */
00086     static bool intersect(const Plane& plane, const Segment& segment);
00087 
00088     //--------------------------------------------------------------------------
00089     // 球
00090     //--------------------------------------------------------------------------
00091     /**
00092      * 球交差
00093      * @param plane 平面
00094      * @param sphere 球
00095      * @return 交差していればtrue
00096      */
00097     static bool intersect(const Plane& plane, const Sphere& sphere);
00098 
00099     //--------------------------------------------------------------------------
00100     // 三角
00101     //--------------------------------------------------------------------------
00102     /**
00103      * 三角交差
00104      * @param plane 平面
00105      * @param triangle 三角
00106      * @return 交差していればtrue
00107      */
00108     static bool intersect(const Plane& plane, const Triangle& triangle);
00109 
00110 private:
00111     //--------------------------------------------------------------------------
00112     // コンストラクタの隠蔽
00113     PlaneIntersection();
00114 
00115 };
00116 
00117 //------------------------------------------------------------------------------
00118 } // End of namespace Lamp
00119 #endif // End of PLANE_INTERSECTION_H_
00120 //------------------------------------------------------------------------------

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