ppovb5fc7/gazebo/examples/plugins/pr2_pose_test.cc

119 lines
4.0 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.
*
*/
#include <boost/bind.hpp>
#include "gazebo/physics/physics.hh"
#include "gazebo/gazebo.hh"
#include "gazebo/transport/TransportTypes.hh"
#include "gazebo/msgs/MessageTypes.hh"
#include "gazebo/common/Time.hh"
namespace gazebo
{
class PR2PoseTest : public ModelPlugin
{
public: void Load(physics::ModelPtr &/*_parent*/, sdf::ElementPtr &_sdf)
{
// Get then name of the parent model
std::string modelName = _sdf->GetParent()->Get<std::string>("name");
// Get the world name.
std::string worldName = _sdf->GetWorldName();
this->world = physics::get_world(worldName);
// Get a pointer to the model
this->model = this->world->GetModelByName(modelName);
// Error message if the model couldn't be found
if (!this->model)
gzerr << "Unable to get parent model\n";
// Listen to the update event. This event is broadcast every
// simulation iteration.
this->updateConnection = event::Events::ConnectWorldUpdateBegin(
boost::bind(&PR2PoseTest::OnUpdate, this));
gzdbg << "plugin model name: " << modelName << "\n";
this->node = transport::NodePtr(new transport::Node());
this->node->Init(worldName);
this->statsSub = this->node->Subscribe("~/world_stats",
&PR2PoseTest::OnStats, this);
}
// Called by the world update start event
public: void OnUpdate()
{
this->simTime = this->world->GetSimTime();
math::Pose orig_pose = this->model->GetWorldPose();
math::Pose pose = orig_pose;
pose.pos.x = 5.0*sin(0.1*this->simTime.Double());
pose.rot.SetFromEuler(math::Vector3(0, 0, 2.0*this->simTime.Double()));
if (this->simTime.Double() > 10.0 && this->simTime.Double() < 300.0)
{
this->model->SetWorldPose(pose);
printf("test plugin OnUpdate simTime [%f]", this->simTime.Double());
printf(" update pose [%f, %f, %f:%f, %f, %f, %f] orig pose.x [%f]\n",
pose.pos.x, pose.pos.y, pose.pos.z, pose.rot.x, pose.rot.y,
pose.rot.z, pose.rot.w, orig_pose.pos.x);
if (this->simTime.Double() > 20.0)
this->model->SetWorldTwist(math::Vector3(0, 0, 0),
math::Vector3(0, 0, 0), true);
}
}
public: void OnStats(
const boost::shared_ptr<msgs::WorldStatistics const> &/*_msg*/)
{
static double fake_time = 0;
fake_time = fake_time + 0.2;
math::Pose orig_pose = this->model->GetWorldPose();
math::Pose pose = orig_pose;
pose.pos.x = 0.5*sin(0.1*fake_time);
pose.rot.SetFromEuler(math::Vector3(0, 0, fake_time));
if (this->world->GetSimTime().Double() < 10.0)
{
this->model->SetWorldPose(pose);
printf("test plugin OnStats simTime [%f] ", fake_time);
printf("update pose [%f, %f, %f:%f, %f, %f, %f] orig pose.x [%f]\n",
pose.pos.x, pose.pos.y, pose.pos.z, pose.rot.x, pose.rot.y,
pose.rot.z, pose.rot.w, orig_pose.pos.x);
}
}
// Pointer to the model
private: physics::ModelPtr model;
private: physics::WorldPtr world;
// Pointer to the update event connection
private: event::ConnectionPtr updateConnection;
// subscribe to world stats
private: transport::NodePtr node;
private: transport::SubscriberPtr statsSub;
private: common::Time simTime;
};
// Register this plugin with the simulator
GZ_REGISTER_MODEL_PLUGIN(PR2PoseTest)
}