"using" directives are no longer used in global namespaces (#219)

simulation/frc_gazebo_plugins/potentiometer/src/potentiometer.h

@@ -13,8 +13,6 @@
 
 #include "simulation/gz_msgs/msgs.h"
 
-using namespace gazebo;
-
 /**
  * \brief Plugin for reading the angle of a joint.
  *
@@ -34,13 +32,13 @@ using namespace gazebo;
  * - `topic`: Optional. Message will be published as a gazebo.msgs.Float64.
  * - `units`: Optional. Defaults to radians.
  */
-class Potentiometer : public ModelPlugin {
+class Potentiometer : public gazebo::ModelPlugin {
  public:
   /// \brief Load the potentiometer and configures it according to the sdf.
-  void Load(physics::ModelPtr model, sdf::ElementPtr sdf);
+  void Load(gazebo::physics::ModelPtr model, sdf::ElementPtr sdf);
 
   /// \brief Sends out the potentiometer reading each timestep.
-  void Update(const common::UpdateInfo& info);
+  void Update(const gazebo::common::UpdateInfo& info);
 
  private:
   /// \brief Publish the angle on this topic.
@@ -50,11 +48,17 @@ class Potentiometer : public ModelPlugin {
   bool radians;
 
   /// \brief The joint that this potentiometer measures
-  physics::JointPtr joint;
+  gazebo::physics::JointPtr joint;
 
-  physics::ModelPtr model;  ///< \brief The model that this is attached to.
-  event::ConnectionPtr
-      updateConn;           ///< \brief Pointer to the world update function.
-  transport::NodePtr node;  ///< \brief The node we're advertising on.
-  transport::PublisherPtr pub;  ///< \brief Publisher handle.
+  /// \brief The model to which this is attached.
+  gazebo::physics::ModelPtr model;
+
+  /// \brief Pointer to the world update function.
+  gazebo::event::ConnectionPtr updateConn;
+
+  /// \brief The node on which we're advertising.
+  gazebo::transport::NodePtr node;
+
+  /// \brief Publisher handle.
+  gazebo::transport::PublisherPtr pub;
 };