add Position class and Get/Set methods on MobilityModel

src/node/mobility-model.cc

@@ -39,6 +39,13 @@ MobilityModel::Get (double &x, double &y, double &z) const
 {
   DoGet (x,y,z);
 }
+Position
+MobilityModel::Get (void) const
+{
+  Position position;
+  DoGet (position.x,position.y,position.z);
+  return position;
+}
 double 
 MobilityModel::GetX (void) const
 {
@@ -67,6 +74,11 @@ MobilityModel::Set (double x, double y, double z)
   DoSet (x, y, z);
 }
 void 
+MobilityModel::Set (const Position &position)
+{
+  DoSet (position.x, position.y, position.z);
+}
+void 
 MobilityModel::SetXY (double x, double y)
 {
   double currentX, currentY, currentZ;

src/node/mobility-model.h

@@ -25,6 +25,28 @@
 
 namespace ns3 {
 
+class Vector3D
+{
+public:
+  double x;
+  double y;
+  double z;
+};
+class Position : public Vector3D
+{};
+class Speed : public Vector3D
+{};
+class Vector2D
+{
+public:
+  double x;
+  double y;
+};
+class Position2D : public Vector2D
+{};
+class Speed2D : public Vector2D
+{};
+
 /**
  * \brief keep track of the current position of an object
  *
@@ -49,6 +71,7 @@ public:
    * Unit is meters
    */
   void Get (double &x, double &y, double &z) const;
+  Position Get (void) const;
   /**
    * \returns the current x coordinate
    *
@@ -71,6 +94,7 @@ public:
   void Add (double dx, double dy, double dz);
 
   void Set (double x, double y, double z);
+  void Set (const Position &position);
   void SetXY (double x, double y);
   void SetX (double x);
   void SetY (double y);