+// $Id$
+//
+// SuperTux - A Jump'n Run
+// Copyright (C) 2004 Matthias Braun <matze@braunis.de
+//
+// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifndef __VECTOR_HPP__
#define __VECTOR_HPP__
return Vector(x * s, y * s);
}
+ Vector operator/(float s) const
+ {
+ return Vector(x / s, y / s);
+ }
+
+ Vector operator-() const
+ {
+ return Vector(-x, -y);
+ }
+
const Vector& operator +=(const Vector& other)
{
x += other.x;
return *this;
}
+ // scalar product of 2 vectors
+ float operator*(const Vector& other) const
+ {
+ return x*other.x + y*other.y;
+ }
+
+ float norm() const;
+ Vector unit() const;
+
// ... add the other operators as needed, I'm too lazy now ...
float x, y; // leave this public, get/set methods just give me headaches