3 // SuperTux - A Jump'n Run
4 // Copyright (C) 2004 Matthias Braun <matze@braunis.de
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #ifndef __VECTOR_HPP__
20 #define __VECTOR_HPP__
25 Vector(float nx, float ny)
28 Vector(const Vector& other)
29 : x(other.x), y(other.y)
35 bool operator ==(const Vector& other) const
37 return x == other.x && y == other.y;
40 const Vector& operator=(const Vector& other)
47 Vector operator+(const Vector& other) const
49 return Vector(x + other.x, y + other.y);
52 Vector operator-(const Vector& other) const
54 return Vector(x - other.x, y - other.y);
57 Vector operator*(float s) const
59 return Vector(x * s, y * s);
62 Vector operator/(float s) const
64 return Vector(x / s, y / s);
67 Vector operator-() const
69 return Vector(-x, -y);
72 const Vector& operator +=(const Vector& other)
79 // scalar product of 2 vectors
80 float operator*(const Vector& other) const
82 return x*other.x + y*other.y;
88 // ... add the other operators as needed, I'm too lazy now ...
90 float x, y; // leave this public, get/set methods just give me headaches
91 // for such simple stuff :)