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OrientedBoxIntersection.cpp

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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  * 指向性ボックス交差実装
00022  * @author Junpee
00023  */
00024 
00025 #include "LampBasic.h"
00026 #include "Geometry/Intersection/OrientedBoxIntersection.h"
00027 
00028 #include "Geometry/Primitive/OrientedBox.h"
00029 
00030 namespace Lamp{
00031 
00032 //------------------------------------------------------------------------------
00033 // 点
00034 //------------------------------------------------------------------------------
00035 // 点交差
00036 bool OrientedBoxIntersection::intersect(
00037     const OrientedBox& ob, const Vector3& point){
00038     Assert(false);
00039     return false;
00040 }
00041 //------------------------------------------------------------------------------
00042 // 指向性ボックス
00043 //------------------------------------------------------------------------------
00044 // 指向性ボックス交差
00045 bool OrientedBoxIntersection::intersect(
00046     const OrientedBox& ob0, const OrientedBox& ob1){
00047     Assert(false);
00048     return false;
00049 }
00050 //------------------------------------------------------------------------------
00051 // 平面
00052 //------------------------------------------------------------------------------
00053 // 平面交差
00054 bool OrientedBoxIntersection::intersect(
00055     const OrientedBox& ob, const Plane& plane){
00056     // 平面との距離が実効直径以下なら交差
00057     float effectiveDiameter = ob.getEffectiveDiameter(plane.getNormal());
00058     return (Math::abs(plane.getDistance(ob.getCenter())) <= effectiveDiameter);
00059 }
00060 //------------------------------------------------------------------------------
00061 // レイ
00062 //------------------------------------------------------------------------------
00063 // レイ交差
00064 bool OrientedBoxIntersection::intersect(const OrientedBox& ob, const Ray& ray){
00065     Assert(false);
00066     return false;
00067 }
00068 //------------------------------------------------------------------------------
00069 // セグメント
00070 //------------------------------------------------------------------------------
00071 // セグメント交差
00072 bool OrientedBoxIntersection::intersect(
00073     const OrientedBox& ob, const Segment& segment){
00074     Assert(false);
00075     return false;
00076 }
00077 //------------------------------------------------------------------------------
00078 // 球
00079 //------------------------------------------------------------------------------
00080 // 球交差
00081 bool OrientedBoxIntersection::intersect(
00082     const OrientedBox& ob, const Sphere& sphere){
00083     Assert(false);
00084     return false;
00085 }
00086 //------------------------------------------------------------------------------
00087 // 三角
00088 //------------------------------------------------------------------------------
00089 // 三角交差
00090 bool OrientedBoxIntersection::intersect(
00091     const OrientedBox& ob, const Triangle& triangle){
00092     Assert(false);
00093     return false;
00094 }
00095 //------------------------------------------------------------------------------
00096 } // End of namespace Lamp
00097 //------------------------------------------------------------------------------

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