ppovb5fc7/gazebo/plugins/BreakableJointPlugin.hh

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2019-03-25 11:01:43 +08:00
/*
* Copyright (C) 2013 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_BREAKABLE_JOINT_PLUGIN_HH_
#define _GAZEBO_BREAKABLE_JOINT_PLUGIN_HH_
#include "plugins/ForceTorquePlugin.hh"
#include "gazebo/sensors/sensors.hh"
#include "gazebo/common/Plugin.hh"
#include "gazebo/common/Events.hh"
#include "gazebo/util/system.hh"
namespace gazebo
{
/// \brief A plugin for breakable joints, based on a ForceTorque sensor plugin
class GAZEBO_VISIBLE BreakableJointPlugin : public ForceTorquePlugin
{
/// \brief Constructor
public: BreakableJointPlugin();
/// \brief Destructor
public: virtual ~BreakableJointPlugin();
/// \brief Load the plugin.
/// \param[in] _parent Pointer to the parent sensor.
/// \param[in] _sdf SDF element for the plugin.
public: virtual void Load(sensors::SensorPtr _parent, sdf::ElementPtr _sdf);
/// \brief Overloaded Update callback.
/// \param[in] _msg The force torque message.
protected: virtual void OnUpdate(msgs::WrenchStamped _msg);
/// \brief WorldUpdate callback, used to safely detach parent joint.
protected: void OnWorldUpdate();
/// \brief Pointer to the parent joint
private: physics::JointPtr parentJoint;
/// \brief Pointer to the world update event connection
private: event::ConnectionPtr worldConnection;
/// \brief Breaking force threshold (N).
private: double breakingForce;
};
}
#endif