| VRS - The Virtual Rendering System |
| version 3.3 |
00001 /****************************************************************************** 00002 * VRS - The Virtual Rendering System 00003 * Copyright (C) 2000-2004 Computer Graphics Systems Group at the 00004 * Hasso-Plattner-Institute (HPI), Potsdam, Germany. 00005 * 00006 * This library is free software; you can redistribute it and/or modify it 00007 * under the terms of the GNU Lesser General Public License as published by 00008 * the Free Software Foundation; either version 2.1 of the License, or (at 00009 * your option) any later version. This library is distributed in the hope 00010 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied 00011 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU Lesser General Public License for more details. You should have received 00013 * a copy of the GNU Lesser+ General Public License along with this library; if 00014 * not, write to the FreeSoftware Foundation, Inc., 59 Temple Place, Suite 330, 00015 * Boston, MA, 02111-1307, USA. 00016 ******************************************************************************/ 00017 00018 // $Id: physicalforce.h 6014 2007-08-09 07:51:16Z Konstantin_Baumann $ 00019 // $Date: 2007-08-09 09:51:16 +0200 (Thu, 09 Aug 2007) $ 00020 // $Revision: 6014 $ 00021 // $State$ 00022 // $Author: Konstantin_Baumann $ 00023 // 00024 // $Log$ 00025 // Revision 1.6 2005/01/03 01:43:10 klimetschek 00026 // - modified win32 project layout, splitted vrs.vcproj into vrs_container, vrs_core, vrs_sg, vrs_image, vrs_opengl and vrs_io 00027 // - removed vrs.vcproj 00028 // minor things: 00029 // - added all glutexamples to vrs4glut.sln 00030 // - fixed some problems in glutexamples 00031 // - removed all project references from all VS projects (using solution wide project dependencies instead) 00032 // 00033 // Revision 1.5 2004/10/28 14:16:01 basch 00034 // Class comment changed (Doxygen style) 00035 // 00036 // Revision 1.4 2004/07/28 17:36:28 baumann 00037 // changed VRS::Vector3f to VRS::Vector 00038 // 00039 // Revision 1.3 2004/05/18 07:37:31 bohnet 00040 // internal calculations with float now 00041 // 00042 // Revision 1.2 2004/04/22 15:37:05 kirsch 00043 // added endline at the end of file (fixes gcc warning) 00044 // 00045 // Revision 1.1 2004/04/13 13:35:31 bohnet 00046 // provides navigation metaphor based on a physical model 00047 // 00048 00049 #ifndef VRS_SG_PHYSICALFORCE_H 00050 #define VRS_SG_PHYSICALFORCE_H 00051 00052 #include <vrs/sharedobj.h> 00053 #include <vrs/vector.h> 00054 00055 00056 namespace VRS { 00057 00087 class VRS_CORE_API PhysicalForce : public SharedObj { 00088 00089 public: 00090 PhysicalForce(); 00091 00092 virtual ~PhysicalForce(); 00094 00095 enum ForceMode {Spring}; 00096 VRS_SERIALIZABLE_CLASS_ENUM(ForceMode); 00104 virtual Vector calcForceDifferential( 00105 const Vector& cameraPos, const Vector& targetPos, 00106 const Vector& d_cameraPos, const Vector& d_targetPos 00107 ); 00111 VRS_TYPEINFO(PhysicalForce, SharedObj); 00112 VRS_SERIALIZABLE(PhysicalForce); 00113 }; 00114 00115 00116 00117 /*---------------------------------------------------------------------------------------------------------- 00118 ------------------------------------------------------------------------------------------------------------ 00119 ----------------------------------------------------------------------------------------------------------*/ 00120 00121 class VRS_CORE_API PhysicalSpringForce : public PhysicalForce { 00126 public: 00127 PhysicalSpringForce(float physical_springforce = 1.0); 00128 00129 virtual ~PhysicalSpringForce(); 00131 00132 Vector calcForceDifferential( 00133 const Vector& cameraPos, const Vector& targetPos, 00134 const Vector& d_cameraPos, const Vector& d_targetPos 00135 ); 00149 float getSpringForce(); 00150 00151 VRS_TYPEINFO(PhysicalSpringForce, PhysicalForce); 00152 VRS_SERIALIZABLE(PhysicalSpringForce); 00153 00154 private: 00155 float physical_springforce_; 00159 }; 00160 00161 inline float PhysicalSpringForce::getSpringForce() {return physical_springforce_;} 00162 00163 00164 00165 } //namespace VRS 00166 00167 #endif // VRS_SG_PHYSICALFORCE_H 00168 00169