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 * レイ距離ヘッダ 00022 * @author Junpee 00023 */ 00024 00025 #ifndef RAY_DISTANCE_H_ 00026 #define RAY_DISTANCE_H_ 00027 00028 namespace Lamp{ 00029 00030 class Ray; 00031 class Segment; 00032 class Sphere; 00033 class Triangle; 00034 00035 //------------------------------------------------------------------------------ 00036 /** 00037 * レイ距離 00038 */ 00039 class RayDistance{ 00040 public: 00041 //-------------------------------------------------------------------------- 00042 // 点 00043 //-------------------------------------------------------------------------- 00044 /** 00045 * 点距離の二乗 00046 * @param ray レイ 00047 * @param point 点 00048 * @return 距離の二乗 00049 */ 00050 static float squaredDistance(const Ray& ray, const Vector3& point); 00051 00052 //-------------------------------------------------------------------------- 00053 // レイ 00054 //-------------------------------------------------------------------------- 00055 /** 00056 * 距離の二乗 00057 * @param ray0 レイ 00058 * @param ray1 レイ 00059 * @return 距離の二乗 00060 */ 00061 static float squaredDistance(const Ray& ray0, const Ray& ray1); 00062 00063 //-------------------------------------------------------------------------- 00064 // セグメント 00065 //-------------------------------------------------------------------------- 00066 /** 00067 * セグメント距離の二乗 00068 * @param ray レイ 00069 * @param segment セグメント 00070 * @return 距離の二乗 00071 */ 00072 static float squaredDistance(const Ray& ray, const Segment& segment); 00073 00074 //-------------------------------------------------------------------------- 00075 // 球 00076 //-------------------------------------------------------------------------- 00077 /** 00078 * 球距離の二乗 00079 * @param ray レイ 00080 * @param sphere 球 00081 * @return 距離の二乗 00082 */ 00083 static float squaredDistance(const Ray& ray, const Sphere& sphere); 00084 00085 //-------------------------------------------------------------------------- 00086 // 三角 00087 //-------------------------------------------------------------------------- 00088 /** 00089 * 三角距離の二乗 00090 * @param ray レイ 00091 * @param triangle 三角 00092 * @return 距離の二乗 00093 */ 00094 static float squaredDistance(const Ray& ray, const Triangle& triangle); 00095 00096 private: 00097 //-------------------------------------------------------------------------- 00098 // コンストラクタの隠蔽 00099 RayDistance(); 00100 00101 }; 00102 00103 //------------------------------------------------------------------------------ 00104 } // End of namespace Lamp 00105 #endif // End of RAY_DISTANCE_H_ 00106 //------------------------------------------------------------------------------