ppovb5fc7/gazebo/examples/plugins/camera/camera_move.cc

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2019-03-25 11:01:43 +08:00
/*
* 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/gazebo.hh"
#include "gazebo/physics/physics.hh"
namespace gazebo
{
class CameraMove : public ModelPlugin
{
public: CameraMove() : ModelPlugin() {}
public: void Load(physics::ModelPtr _model, sdf::ElementPtr _sdf)
{
// Get a pointer to the model
this->model = _model;
// Listen to the update event. This event is broadcast every
// simulation iteration.
this->updateConnection = event::Events::ConnectWorldUpdateBegin(
boost::bind(&CameraMove::OnUpdate, this));
}
// Called by the world update start event
public: void OnUpdate()
{
math::Vector3 v(0.03, 0, 0);
math::Pose pose = this->model->GetWorldPose();
v = pose.rot * v;
// Apply a small linear velocity to the model.
this->model->SetLinearVel(v);
this->model->SetAngularVel(math::Vector3(0, 0, 0.01));
}
// Pointer to the model
private: physics::ModelPtr model;
// Pointer to the update event connection
private: event::ConnectionPtr updateConnection;
};
// Register this plugin with the simulator
GZ_REGISTER_MODEL_PLUGIN(CameraMove)
}