pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/physics/RayShape.hh

149 lines
5.1 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.
*
*/
/* Desc: A ray
* Author: Nate Koenig
* Date: 14 Oct 2009
*/
#ifndef _RAYSHAPE_HH_
#define _RAYSHAPE_HH_
#include <string>
#include "gazebo/physics/PhysicsTypes.hh"
#include "gazebo/physics/Shape.hh"
#include "gazebo/util/system.hh"
namespace gazebo
{
namespace physics
{
/// \addtogroup gazebo_physics
/// \{
/// \class RayShape RayShape.hh physics/physics.hh
/// \brief Base class for Ray collision geometry
class GZ_PHYSICS_VISIBLE RayShape : public Shape
{
/// \brief Constructor for a global ray.
/// \param[in] _physicsEngine Pointer to the physics engine.
public: explicit RayShape(PhysicsEnginePtr _physicsEngine);
/// \brief Constructor.
/// \param[in] _parent Collision parent of the shape.
public: explicit RayShape(CollisionPtr _parent);
/// \brief Destructor.
public: virtual ~RayShape();
/// \brief Set the ray based on starting and ending points relative to
/// the body.
/// \param[in] _posStart Start position, relative the body.
/// \param[in] _posEnd End position, relative to the body.
public: virtual void SetPoints(const math::Vector3 &_posStart,
const math::Vector3 &_posEnd);
/// \brief Get the relative starting and ending points.
/// \param[in] _posA Returns the starting point.
/// \param[in] _posB Returns the ending point.
public: virtual void GetRelativePoints(math::Vector3 &_posA,
math::Vector3 &_posB);
/// \brief Get the global starting and ending points.
/// \param[out] _posA Returns the starting point.
/// \param[out] _posB Returns the ending point.
public: virtual void GetGlobalPoints(math::Vector3 &_posA,
math::Vector3 &_posB);
/// \brief Set the length of the ray.
/// \param[in] _len Length of the array.
public: virtual void SetLength(double _len);
/// \brief Get the length of the ray.
/// \return The ray length.
public: double GetLength() const;
/// \brief Set the scale of the ray
public: virtual void SetScale(const math::Vector3 &_scale);
/// \brief Update the ray collision.
public: virtual void Update() = 0;
/// \brief Get the nearest intersection.
/// \param[out] _dist Distance to the intersection.
/// \param[out] _entity Name of the entity the ray intersected with.
public: virtual void GetIntersection(double &_dist,
std::string &_entity) = 0;
/// \brief Set the retro-reflectivness detected by this ray.
/// \param[in] _retro Retro reflectance value.
public: void SetRetro(float _retro);
/// \brief Get the retro-reflectivness detected by this ray.
/// \return Retro reflectance value.
public: float GetRetro() const;
/// \brief Set the fiducial id detected by this ray.
/// \param[in] _fid Fiducial id detected by this ray.
public: void SetFiducial(int _fid);
/// \brief Get the fiducial id detected by this ray.
/// \return Fiducial id detected.
public: int GetFiducial() const;
/// \brief In the ray.
public: virtual void Init();
/// \brief Fill a message with data from this object.
/// \param[out] _msg Message to fill.
/// \TODO Implement this function.
public: void FillMsg(msgs::Geometry &_msg);
/// \brief Update this shape from a message.
/// \param[in] _msg Message to update from.
/// \TODO Implement this function.
public: virtual void ProcessMsg(const msgs::Geometry &_msg);
/// Documentation inherited
public: virtual double ComputeVolume() const;
// Contact information; this is filled out during collision
// detection.
/// \brief Length of the ray.
protected: double contactLen;
/// \brief Retro reflectance value
protected: double contactRetro;
/// \brief Fiducial ID value.
protected: int contactFiducial;
/// \brief Start position of the ray, relative to the body
protected: math::Vector3 relativeStartPos;
/// \brief End position of the ray, relative to the body
protected: math::Vector3 relativeEndPos;
/// \brief Start position of the ray in global cs
protected: math::Vector3 globalStartPos;
/// \brief End position of the ray in global cs
protected: math::Vector3 globalEndPos;
};
/// \}
}
}
#endif