pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/physics/bullet/BulletHingeJoint.hh

113 lines
3.6 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef _GAZEBO_BULLETHINGEJOINT_HH_
#define _GAZEBO_BULLETHINGEJOINT_HH_
#include <string>
#include "gazebo/math/Angle.hh"
#include "gazebo/math/Vector3.hh"
#include "gazebo/physics/HingeJoint.hh"
#include "gazebo/physics/bullet/BulletJoint.hh"
#include "gazebo/physics/bullet/BulletPhysics.hh"
#include "gazebo/util/system.hh"
class btHingeConstraint;
namespace gazebo
{
namespace physics
{
/// \ingroup gazebo_physics
/// \addtogroup gazebo_physics_bullet Bullet Physics
/// \{
/// \brief A single axis hinge joint
class GZ_PHYSICS_VISIBLE BulletHingeJoint : public HingeJoint<BulletJoint>
{
/// Constructor
public: BulletHingeJoint(btDynamicsWorld *world, BasePtr _parent);
/// Destructor
public: virtual ~BulletHingeJoint();
// Documentation inherited.
protected: virtual void Load(sdf::ElementPtr _sdf);
// Documentation inherited.
public: virtual void Init();
// Documentation inherited.
public: virtual math::Vector3 GetAnchor(unsigned int _index) const;
// Documentation inherited.
public: virtual void SetAxis(unsigned int _index,
const math::Vector3 &_axis);
// Documentation inherited.
public: virtual void SetVelocity(unsigned int _index, double _vel);
// Documentation inherited.
public: virtual double GetVelocity(unsigned int _index) const;
// Documentation inherited.
public: virtual bool SetHighStop(unsigned int _index,
const math::Angle &_angle);
// Documentation inherited.
public: virtual bool SetLowStop(unsigned int _index,
const math::Angle &_angle);
// Documentation inherited.
public: virtual math::Angle GetHighStop(unsigned int _index);
// Documentation inherited.
public: virtual math::Angle GetLowStop(unsigned int _index);
// Documentation inherited.
public: virtual math::Vector3 GetGlobalAxis(unsigned int _index) const;
// Documentation inherited.
public: virtual math::Angle GetAngleImpl(unsigned int _index) const;
// Documentation inherited.
public: virtual bool SetParam(const std::string &_key,
unsigned int _index,
const boost::any &_value);
// Documentation inherited.
public: virtual double GetParam(const std::string &_key,
unsigned int _index);
// Documentation inherited.
protected: virtual void SetForceImpl(unsigned int _index, double _effort);
/// \brief Pointer to bullet hinge constraint.
private: btHingeConstraint *bulletHinge;
/// \brief Offset angle used in GetAngleImpl, so that angles are reported
/// relative to the initial configuration.
private: double angleOffset;
/// \brief Initial value of joint axis, expressed as unit vector
/// in world frame.
private: math::Vector3 initialWorldAxis;
};
/// \}
}
}
#endif