Gazebo Gazebo

API Reference

6.16.0
gz/sim/World.hh
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17 #ifndef GZ_GAZEBO_WORLD_HH_
18 #define GZ_GAZEBO_WORLD_HH_
19 
20 #include <memory>
21 #include <optional>
22 #include <string>
23 #include <vector>
24 
25 #include <sdf/Atmosphere.hh>
26 #include <gz/math/Vector3.hh>
27 #include <gz/math/SphericalCoordinates.hh>
28 
29 #include "gz/sim/config.hh"
31 #include "gz/sim/Export.hh"
32 #include "gz/sim/Types.hh"
33 
34 namespace ignition
35 {
36  namespace gazebo
37  {
38  // Inline bracket to help doxygen filtering.
39  inline namespace IGNITION_GAZEBO_VERSION_NAMESPACE {
40  // Forward declarations.
41  class IGNITION_GAZEBO_HIDDEN WorldPrivate;
42  //
61  class IGNITION_GAZEBO_VISIBLE World {
64  public: explicit World(gz::sim::Entity _entity = kNullEntity);
65 
68  public: World(const World &_world);
69 
72  public: World(World &&_world) noexcept;
73 
77  public: World &operator=(World &&_world) noexcept;
78 
82  public: World &operator=(const World &_world);
83 
85  public: virtual ~World();
86 
89  public: gz::sim::Entity Entity() const;
90 
95  public: bool Valid(const EntityComponentManager &_ecm) const;
96 
101  public: std::optional<std::string> Name(
102  const EntityComponentManager &_ecm) const;
103 
108  public: std::optional<math::Vector3d> Gravity(
109  const EntityComponentManager &_ecm) const;
110 
115  public: std::optional<math::Vector3d> MagneticField(
116  const EntityComponentManager &_ecm) const;
117 
122  public: std::optional<sdf::Atmosphere> Atmosphere(
123  const EntityComponentManager &_ecm) const;
124 
129  public: std::optional<math::SphericalCoordinates> SphericalCoordinates(
130  const EntityComponentManager &_ecm) const;
131 
135  public: void SetSphericalCoordinates(EntityComponentManager &_ecm,
136  const math::SphericalCoordinates &_sphericalCoordinates);
137 
143  public: gz::sim::Entity LightByName(const EntityComponentManager &_ecm,
144  const std::string &_name) const;
145 
151  public: gz::sim::Entity ActorByName(const EntityComponentManager &_ecm,
152  const std::string &_name) const;
153 
159  public: gz::sim::Entity ModelByName(const EntityComponentManager &_ecm,
160  const std::string &_name) const;
161 
166  const EntityComponentManager &_ecm) const;
167 
171  public: std::vector<gz::sim::Entity> Actors(
172  const EntityComponentManager &_ecm) const;
173 
177  public: std::vector<gz::sim::Entity> Models(
178  const EntityComponentManager &_ecm) const;
179 
184  public: uint64_t LightCount(const EntityComponentManager &_ecm) const;
185 
190  public: uint64_t ActorCount(const EntityComponentManager &_ecm) const;
191 
196  public: uint64_t ModelCount(const EntityComponentManager &_ecm) const;
197 
199  private: std::unique_ptr<WorldPrivate> dataPtr;
200  };
201  }
202  }
203 }
204 #endif
virtual ~World()
Destructor.
World & operator=(World &&_world) noexcept
Move assignment operator.
uint64_t Entity
An Entity identifies a single object in simulation such as a model, link, or light....
Definition: gz/sim/Entity.hh:58
This library is part of the Gazebo project.
STL class.
The EntityComponentManager constructs, deletes, and returns components and entities....
Definition: gz/sim/EntityComponentManager.hh:66
gz::sim::Entity LightByName(const EntityComponentManager &_ecm, const std::string &_name) const
Get the ID of a light entity which is an immediate child of this world.
bool Valid(const EntityComponentManager &_ecm) const
Check whether this world correctly refers to an entity that has a components::World.
std::optional< std::string > Name(const EntityComponentManager &_ecm) const
Get the world's unscoped name.
std::optional< math::SphericalCoordinates > SphericalCoordinates(const EntityComponentManager &_ecm) const
Get spherical coordinates for the world origin.
uint64_t ActorCount(const EntityComponentManager &_ecm) const
Get the number of actors which are immediate children of this world.
void SetSphericalCoordinates(EntityComponentManager &_ecm, const math::SphericalCoordinates &_sphericalCoordinates)
Set spherical coordinates for the world origin.
STL class.
Component< NoData, class WorldTag > World
A component that identifies an entity as being a world.
Definition: gz/sim/components/World.hh:35
gz::sim::Entity ActorByName(const EntityComponentManager &_ecm, const std::string &_name) const
Get the ID of a actor entity which is an immediate child of this world.
Provides buttons for adding a point, directional, or spot light to the scene.
Definition: Lights.hh:33
uint64_t ModelCount(const EntityComponentManager &_ecm) const
Get the number of models which are immediate children of this world.
std::vector< gz::sim::Entity > Actors(const EntityComponentManager &_ecm) const
Get all actors which are immediate children of this world.
std::optional< math::Vector3d > MagneticField(const EntityComponentManager &_ecm) const
Get the magnetic field in Tesla.
Component< math::Vector3d, class MagneticFieldTag > MagneticField
Stores the 3D magnetic field in teslas.
Definition: gz/sim/components/MagneticField.hh:37
Component< math::SphericalCoordinates, class SphericalCoordinatesTag, serializers::SphericalCoordinatesSerializer > SphericalCoordinates
This component holds the spherical coordinates of the world origin.
Definition: gz/sim/components/SphericalCoordinates.hh:45
class IGNITION_GAZEBO_HIDDEN WorldPrivate
Definition: gz/sim/World.hh:41
gz::sim::Entity ModelByName(const EntityComponentManager &_ecm, const std::string &_name) const
Get the ID of a model entity which is an immediate child of this world.
std::vector< gz::sim::Entity > Models(const EntityComponentManager &_ecm) const
Get all models which are immediate children of this world.
const Entity kNullEntity
Indicates a non-existant or invalid Entity.
Definition: gz/sim/Entity.hh:61
Component< sdf::Atmosphere, class AtmosphereTag, serializers::AtmosphereSerializer > Atmosphere
This component holds atmosphere properties of the world.
Definition: gz/sim/components/Atmosphere.hh:44
uint64_t LightCount(const EntityComponentManager &_ecm) const
Get the number of lights which are immediate children of this world.
Component< math::Vector3d, class GravityTag > Gravity
Store the gravity acceleration.
Definition: gz/sim/components/Gravity.hh:37
This class provides wrappers around entities and components which are more convenient and straight-fo...
Definition: gz/sim/World.hh:61
std::optional< sdf::Atmosphere > Atmosphere(const EntityComponentManager &_ecm) const
Get atmosphere information.
World(gz::sim::Entity _entity=kNullEntity)
Constructor.
gz::sim::Entity Entity() const
Get the entity which this World is related to.
std::vector< gz::sim::Entity > Lights(const EntityComponentManager &_ecm) const
Get all lights which are immediate children of this world.
std::optional< math::Vector3d > Gravity(const EntityComponentManager &_ecm) const
Get the gravity in m/s^2.
Component< std::string, class NameTag, serializers::StringSerializer > Name
This component holds an entity's name. The component has no concept of scoped names nor does it care ...
Definition: gz/sim/components/Name.hh:37