bodyforc.h Source File

00001 /*
00002     Dynamics/Kinematics modeling and simulation library.
00003     Copyright (C) 1999 by Michael Alexander Ewert
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 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     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public
00016     License along with this library; if not, write to the Free
00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 
00019 */
00020 
00021 #ifndef __CT_BODYFORC_H__
00022 #define __CT_BODYFORC_H__
00023 
00024 #include "csphyzik/force.h"
00025 #include "csphyzik/linklist.h"
00026 
00027 class ctPhysicalEntity;
00028 
00029 // parent class for all N-body forces 
00030 // generally a body added as NULL indicates the world.
00031 class ctNBodyForce : public ctForce
00032 {
00033 public:
00034   ctLinkList<ctPhysicalEntity> body_vector;
00035 
00036   ctNBodyForce ();
00037   ctNBodyForce ( ctReferenceFrame &rf );
00038   virtual ~ctNBodyForce ();
00039 
00040   // add another body that this force works on
00041   virtual void add_body ( ctPhysicalEntity *bod )
00042   { body_vector.add_link( bod ); }
00043 };
00044 
00045 #endif