--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/mobility/constant-velocity-mobility-model.h	Tue Mar 10 14:18:32 2009 +0100
@@ -0,0 +1,63 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2006, 2007 INRIA
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
+ */
+#ifndef STATIC_SPEED_MOBILITY_MODEL_H
+#define STATIC_SPEED_MOBILITY_MODEL_H
+
+#include <stdint.h>
+#include "mobility-model.h"
+#include "ns3/nstime.h"
+#include "static-speed-helper.h"
+
+namespace ns3 {
+
+/**
+ * \brief a position model for which the current speed does not
+ *        change once it has been set and until it is set again 
+ *        explicitely to a new value.
+ */
+class ConstantVelocityMobilityModel : public MobilityModel 
+{
+public:
+  static TypeId GetTypeId (void);
+  /**
+   * Create position located at coordinates (0,0,0) with
+   * speed (0,0,0).
+   */
+  ConstantVelocityMobilityModel ();
+  virtual ~ConstantVelocityMobilityModel ();
+
+  /**
+   * \param speed the new speed to set.
+   *
+   * Set the current speed now to (dx,dy,dz)
+   * Unit is meters/s
+   */
+  void SetVelocity (const Vector &speed);
+private:
+  virtual Vector DoGetPosition (void) const;
+  virtual void DoSetPosition (const Vector &position);
+  virtual Vector DoGetVelocity (void) const;
+  void Update (void) const;
+  StaticSpeedHelper m_helper;
+};
+
+}; // namespace ns3
+
+#endif /* STATIC_SPEED_POSITION */