| VRS - The Virtual Rendering System |
| version 3.3 |
00001 /********************************************************************** 00002 VRS - The Virtual Rendering System 00003 Copyright (C) 2001 Computer Graphics Systems Group at the 00004 Hasso-Plattner-Institute, Potsdam, Germany. 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 This library is distributed in the hope that it will be useful, but 00010 WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00012 See the GNU Lesser General Public License for more details. 00013 You should have received a copy of the GNU Lesser+ General Public 00014 License along with this library; if not, write to the FreeSoftware 00015 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307, USA. 00016 **********************************************************************/ 00017 // $Id: ray.h 4633 2005-01-03 01:43:11Z klimetschek $ 00018 // $Date: 2005-01-03 02:43:11 +0100 (Mon, 03 Jan 2005) $ 00019 // $Revision: 4633 $ 00020 // $State$ 00021 // $Author: klimetschek $ 00022 // 00023 // $Log$ 00024 // Revision 1.15 2005/01/03 01:43:08 klimetschek 00025 // - modified win32 project layout, splitted vrs.vcproj into vrs_container, vrs_core, vrs_sg, vrs_image, vrs_opengl and vrs_io 00026 // - removed vrs.vcproj 00027 // minor things: 00028 // - added all glutexamples to vrs4glut.sln 00029 // - fixed some problems in glutexamples 00030 // - removed all project references from all VS projects (using solution wide project dependencies instead) 00031 // 00032 // Revision 1.14 2004/11/05 13:58:09 basch 00033 // Class comment changed (Doxygen style) 00034 // 00035 // Revision 1.13 2004/06/28 10:45:41 baumann 00036 // bug fix for the sorting order of intersection results: added the intersection ray 00037 // in the object's coord system as an additional parameter to VRS::IntersectionInfo 00038 // 00039 // Revision 1.12 2004/03/12 16:28:39 baumann 00040 // macros VRS_NAMESPACE_BEGIN/_END expanded and removed 00041 // 00042 // Revision 1.11 2003/11/07 14:19:24 kirsch 00043 // removed leading underscore from include guards 00044 // 00045 // Revision 1.10 2003/05/16 05:19:34 baumann 00046 // - new method: bool Vector::isOrigin() const; 00047 // - added keyword "explicit" to some ctors of some base classes 00048 // (e.g. Color, Vector, Bounds, Matrix, Area, ...) 00049 // - function abs(const Vector& v) removed (Vector::abs() still exists!) 00050 // - function abs2(const Vector& v) removed (Vector::abs2() still exists!) 00051 // - vertexdata.tli added 00052 // 00053 // Revision 1.9 2002/08/01 06:53:32 baumann 00054 // missing VRS_CORE_API added to friend operator 00055 // 00056 // Revision 1.8 2002/08/01 06:47:47 baumann 00057 // changed matrix-ray-multiplication from ray*matrix to matrix*ray 00058 // 00059 // Revision 1.7 2002/02/19 10:34:11 kosta 00060 // undone all changes since 2002-02-15 00061 // 00062 // Revision 1.4 2002/01/15 16:25:54 kosta 00063 // macros rewritten for a better namespace support 00064 // 00065 // Revision 1.3 2001/11/13 16:36:30 kirsch 00066 // changed line feed to unix style (removed control-M) 00067 // 00068 // Revision 1.2 2001/07/02 10:14:29 kersting 00069 // changes due to enum definition 00070 // 00071 // Revision 1.1.1.1 2001/06/08 08:09:20 kirsch 00072 // imported alpha-version by olli 00073 // 00074 00075 #ifndef VRS_RAY_H 00076 #define VRS_RAY_H 00077 00078 #include <vrs/matrix.h> 00079 00080 namespace VRS { 00081 00083 class VRS_CORE_API Ray { 00084 00085 public: 00086 VRS_SERIALIZABLE_NO_SO_CLASS(Ray); 00087 00088 explicit Ray( 00089 const Vector& origin = Vector::origin, 00090 const Vector& dir = Vector(0.0, 0.0, 1.0) 00091 ); 00093 00094 bool operator==(const Ray& other) const; 00095 bool operator!=(const Ray& other) const; 00096 00097 void setOrigin(const Vector& orig); 00098 const Vector& getOrigin() const; 00100 00101 void setDirection(const Vector& dir); 00102 const Vector& getDirection() const; 00104 00105 friend VRS_CORE_API Ray operator*(const Matrix& matrix, const Ray& ray); 00107 00108 private: 00109 Vector origin_; 00110 Vector dir_; 00111 }; 00112 00113 inline void Ray::setOrigin(const Vector& o) { origin_ = o; } 00114 inline void Ray::setDirection(const Vector& d) { dir_ = d.normalized(); } 00115 00116 inline const Vector& Ray::getOrigin() const { return origin_; } 00117 inline const Vector& Ray::getDirection() const { return dir_; } 00118 00119 } // namespace VRS 00120 00121 #endif // VRS_RAY_H