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physics/ODEDoubleHingeJoint

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00001 /****************************************************************************
00002   Copyright (C)1996 David Jung <opensim@pobox.com>
00003 
00004   This program/file is free software; you can redistribute it and/or modify
00005   it under the terms of the GNU General Public License as published by
00006   the Free Software Foundation; either version 2 of the License, or
00007   (at your option) any later version.
00008   
00009   This program is distributed in the hope that it will be useful,
00010   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012   GNU General Public License for more details. (http://www.gnu.org)
00013   
00014   You should have received a copy of the GNU General Public License
00015   along with this program; if not, write to the Free Software
00016   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00017   
00018   $Id: ODEDoubleHingeJoint 1031 2004-02-11 20:46:36Z jungd $
00019   $Revision: 1.2 $
00020   $Date: 2004-02-11 15:46:36 -0500 (Wed, 11 Feb 2004) $
00021   $Author: jungd $
00022  
00023 ****************************************************************************/
00024 
00025 #ifndef _PHYSICS_ODEDOUBLEHINGEJOINT_
00026 #define _PHYSICS_ODEDOUBLEHINGEJOINT_
00027 
00028 #include <physics/physics>
00029 #include <physics/DoubleHingeJoint>
00030 #include <physics/ODEJoint>
00031 
00032 
00033 namespace physics {
00034 
00035 
00036 class ODEDoubleHingeJoint : public DoubleHingeJoint, public ODEJoint
00037 {
00038 public:
00039   ODEDoubleHingeJoint();
00040   virtual ~ODEDoubleHingeJoint();
00041 
00042   virtual String className() const { return String("ODEDoubleHingeJoint"); }
00043   virtual Object& clone() const { return *NewNamedObj(className()) ODEDoubleHingeJoint(); }
00044 
00045   virtual void    setAnchor(const Point3& p); ///< body1 relative
00046   virtual Point3  getAnchor() const;
00047 
00048   virtual void    setAxis1(const Vector3& v); ///< body1 relative
00049   virtual Vector3 getAxis1() const;
00050   
00051   virtual void    setAxis2(const Vector3& v); ///< body2 relative
00052   virtual Vector3 getAxis2() const;
00053   
00054   virtual Real   getAngle1() const;
00055   virtual Real   getAngle1Rate() const;
00056   virtual Real   getAngle2Rate() const;
00057 
00058   virtual void   setHighStop(Int dof, Real angle); ///< upper joint stop (-pi..+pi), dof (1|2)
00059   virtual void   setLowStop(Int dof, Real angle);  ///< lower joint stop (-pi..+pi), dof (1|2)
00060   virtual void   setStopRestitution(Int dof, Real r); ///< 'bouncyness' of the stops (0..1)
00061 
00062   virtual void   setParameter(const String& name, Real value, Int dof=1); ///< "CFM","StopERP", "StopCFM" & "FudgeFactor"
00063 
00064 protected:
00065   virtual void onConstraintGroupAdd(ref<ConstraintGroup> g); ///< called by ConstraintGroup::addConstraint()
00066 
00067   virtual bool hasMotor(Int dof) const; ///< implemented by concrete ODEJoint classes to indicate which DOF's can have a Motor attached
00068   virtual void setMotorTargetVel(Int dof, Real vel); ///< implemented by concrete ODEJoint classes
00069   virtual void setMotorMaxForce(Int dof, Real force);///< implemented by concrete ODEJoint classes
00070   
00071 };
00072 
00073 
00074 } // physics
00075 
00076 #endif

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