| 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: pointlight.h 4851 2005-06-21 15:47:40Z baumann $ 00018 // $Date: 2005-06-21 17:47:40 +0200 (Tue, 21 Jun 2005) $ 00019 // $Revision: 4851 $ 00020 // $State$ 00021 // $Author: baumann $ 00022 // 00023 // $Log$ 00024 // Revision 1.17 2005/06/21 15:40:12 baumann 00025 // changed color definition 00026 // 00027 // Revision 1.16 2005/01/03 01:43:08 klimetschek 00028 // - modified win32 project layout, splitted vrs.vcproj into vrs_container, vrs_core, vrs_sg, vrs_image, vrs_opengl and vrs_io 00029 // - removed vrs.vcproj 00030 // minor things: 00031 // - added all glutexamples to vrs4glut.sln 00032 // - fixed some problems in glutexamples 00033 // - removed all project references from all VS projects (using solution wide project dependencies instead) 00034 // 00035 // Revision 1.15 2004/11/05 13:58:09 basch 00036 // Class comment changed (Doxygen style) 00037 // 00038 // Revision 1.14 2004/03/12 16:28:39 baumann 00039 // macros VRS_NAMESPACE_BEGIN/_END expanded and removed 00040 // 00041 // Revision 1.13 2004/01/19 11:43:57 baumann 00042 // serialization mechanism improved 00043 // 00044 // Revision 1.12 2003/11/07 14:19:24 kirsch 00045 // removed leading underscore from include guards 00046 // 00047 // Revision 1.11 2003/07/23 17:04:49 baumann 00048 // code cleanup (especially untabified) 00049 // 00050 // Revision 1.10 2002/10/29 10:32:52 baumann 00051 // macros VRS_CLASSNAME_* and VRS_IMPL_TYPEINFO_* removed 00052 // 00053 // Revision 1.9 2002/03/03 21:44:25 kosta 00054 // VRS_TYPEINFO-macro rewritten 00055 // 00056 // Revision 1.8 2002/02/19 10:34:10 kosta 00057 // undone all changes since 2002-02-15 00058 // 00059 // Revision 1.5 2002/02/05 07:48:25 kosta 00060 // new persistency macros: 00061 // VRS_SERIALIZABLE(CLASS_NAME); 00062 // VRS_SERIALIZABLE_ABSTRACT_CLASS(CLASS_NAME); 00063 // VRS_SERIALIZABLE_NO_SO_CLASS(CLASS_NAME) 00064 // 00065 // Revision 1.4 2002/02/04 13:07:19 kosta 00066 // VRS_SERIALIZABLE macros completely rewritten 00067 // 00068 // Revision 1.3 2002/01/15 16:25:54 kosta 00069 // macros rewritten for a better namespace support 00070 // 00071 // Revision 1.2 2001/11/13 16:36:30 kirsch 00072 // changed line feed to unix style (removed control-M) 00073 // 00074 // Revision 1.1.1.1 2001/06/08 08:09:20 kirsch 00075 // imported alpha-version by olli 00076 // 00077 00078 00079 #ifndef VRS_POINTLIGHT_H 00080 #define VRS_POINTLIGHT_H 00081 00082 #include <vrs/light.h> 00083 #include <vrs/vector.h> 00084 00085 namespace VRS { 00086 00088 class VRS_CORE_API PointLight : public Light { 00089 00090 public: 00091 PointLight( 00092 const Vector& pos = Vector(0,0,0), 00093 const Color& color = Color::white, 00094 double intensity = 0.5, 00095 double ambientIntensity = 0.1, 00096 double const_attenuation = 1.0, 00097 double linear_attenuation = 0.0, 00098 double quadratic_attenuation = 0.0 00099 ); 00103 void setPosition(const Vector&); 00104 Vector getPosition() const; 00105 00106 void setConstantAttenuation(double); 00107 void setLinearAttenuation(double); 00108 void setQuadraticAttenuation(double); 00109 double getConstantAttenuation() const; 00110 double getLinearAttenuation() const; 00111 double getQuadraticAttenuation() const; 00119 VRS_TYPEINFO(PointLight, Light); 00120 VRS_SERIALIZABLE(PointLight); 00121 00122 private: 00123 Vector position_; 00124 double attenuation_[3]; 00125 }; 00126 00127 inline Vector PointLight::getPosition() const { return position_; } 00128 inline double PointLight::getConstantAttenuation() const { return attenuation_[0]; } 00129 inline double PointLight::getLinearAttenuation() const { return attenuation_[1]; } 00130 inline double PointLight::getQuadraticAttenuation() const { return attenuation_[2]; } 00131 00132 } // namespace VRS 00133 00134 #endif // VRS_POINTLIGHT_H