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diff --git a/engines/wintermute/math/vector2.cpp b/engines/wintermute/math/vector2.cpp
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+++ b/engines/wintermute/math/vector2.cpp
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#include "engines/wintermute/math/vector2.h"
+#include <math.h>
+
+namespace Wintermute {
+
+//////////////////////////////////////////////////////////////////////////
+Vector2::Vector2() {
+	x = y = 0.0f;
+}
+
+//////////////////////////////////////////////////////////////////////////
+Vector2::Vector2(float xVal, float yVal) {
+	this->x = xVal;
+	this->y = yVal;
+}
+
+//////////////////////////////////////////////////////////////////////////
+Vector2::~Vector2() {
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+float Vector2::length() const {
+	return (float)sqrt(x * x + y * y);
+}
+
+} // end of namespace Wintermute