vector2.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * This file is based on WME Lite.
 * http://dead-code.org/redir.php?target=wmelite
 * Copyright (c) 2011 Jan Nedoma
 */

#ifndef WINTERMUTE_VECTOR2_H
#define WINTERMUTE_VECTOR2_H

namespace Wintermute {

class Vector2 {
public:
    Vector2();
    Vector2(float x, float y);
    ~Vector2();

    float length() const;

    inline Vector2 &operator= (const Vector2 &other) {
        x = other.x;
        y = other.y;

        return *this;
    }

    inline Vector2 operator+ (const Vector2 &other) const {
        return Vector2(x + other.x, y + other.y);
    }

    inline Vector2 operator- (const Vector2 &other) const {
        return Vector2(x - other.x, y - other.y);
    }

    inline Vector2 operator* (const float scalar) const {
        return Vector2(x * scalar, y * scalar);
    }

    inline Vector2 &operator+= (const Vector2 &other) {
        x += other.x;
        y += other.y;

        return *this;
    }


    float x;
    float y;
};

} // End of namespace Wintermute

#endif