ppovb5fc7/gazebo/plugins/BreakableJointPlugin.cc

77 lines
2.2 KiB
C++

/*
* 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.
*
*/
#ifdef _WIN32
// Ensure that Winsock2.h is included before Windows.h, which can get
// pulled in by anybody (e.g., Boost).
#include <Winsock2.h>
#endif
#include "gazebo/physics/PhysicsIface.hh"
#include "BreakableJointPlugin.hh"
using namespace gazebo;
// Register this plugin with the simulator
GZ_REGISTER_SENSOR_PLUGIN(BreakableJointPlugin)
/////////////////////////////////////////////////
BreakableJointPlugin::BreakableJointPlugin()
: breakingForce(1.0)
{
}
/////////////////////////////////////////////////
BreakableJointPlugin::~BreakableJointPlugin()
{
}
/////////////////////////////////////////////////
void BreakableJointPlugin::Load(sensors::SensorPtr _parent,
sdf::ElementPtr _sdf)
{
ForceTorquePlugin::Load(_parent, _sdf);
std::string paramName = "breaking_force_N";
if (_sdf->HasElement(paramName))
this->breakingForce = _sdf->Get<double>(paramName);
this->parentJoint = this->parentSensor->Joint();
}
/////////////////////////////////////////////////
void BreakableJointPlugin::OnUpdate(msgs::WrenchStamped _msg)
{
if (this->parentJoint)
{
ignition::math::Vector3d force = msgs::ConvertIgn(_msg.wrench().force());
if (force.Length() > this->breakingForce)
{
this->worldConnection = event::Events::ConnectWorldUpdateBegin(
boost::bind(&BreakableJointPlugin::OnWorldUpdate, this));
}
}
}
/////////////////////////////////////////////////
void BreakableJointPlugin::OnWorldUpdate()
{
this->parentSensor->SetActive(false);
this->parentJoint->Detach();
this->parentJoint->SetProvideFeedback(false);
event::Events::DisconnectWorldUpdateBegin(this->worldConnection);
}