--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/common/static-speed-position.cc	Tue Aug 29 17:42:13 2006 +0200
@@ -0,0 +1,68 @@
+/* -*-	Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
+/*
+ * Copyright (c) 2006 INRIA
+ * All rights reserved.
+ *
+ * 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>
+ */
+#include "static-speed-position.h"
+#include "yans/simulator.h"
+
+namespace yans {
+
+StaticSpeedPosition::StaticSpeedPosition ()
+	: m_x (0.0),
+	  m_y (0.0),
+	  m_z (0.0),
+	  m_dx (0.0),
+	  m_dy (0.0),
+	  m_dz (0.0),
+	  m_prev_us (0)
+{}
+StaticSpeedPosition::~StaticSpeedPosition ()
+{}
+
+void 
+StaticSpeedPosition::set (double x, double y, double z)
+{
+	m_x = x;
+	m_y = y;
+	m_z = z;
+}
+
+void 
+StaticSpeedPosition::set_delta (double dx, double dy, double dz)
+{
+	m_dx = dx / 1000000;
+	m_dy = dy / 1000000;
+	m_dz = dz / 1000000;
+}
+
+void 
+StaticSpeedPosition::real_get (double &x, double &y, double &z) const
+{
+	uint64_t now_us = Simulator::now_us ();
+	uint64_t delta_us = now_us - m_prev_us;
+	m_x += m_dx * delta_us;
+	m_y += m_dy * delta_us;
+	m_z += m_dz * delta_us;
+	m_prev_us = now_us;
+	x = m_x;
+	y = m_y;
+	z = m_z;
+}
+
+}; // namespace yans