/*
 * Copyright (c) 2015 Tricoire Sebastien 3dsman@free.fr
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 *
 */

#ifndef OE_UTILS_H
#define OE_UTILS_H

#include <math.h>

struct vector_2d {
    float _x, _y;
    vector_2d( float x,  float y) {
        _x = x;
        _y = y;
    }
    vector_2d() {}
    inline  float getx() { 
        return _x; 
    }
    inline  float gety() { 
        return _y; 
    }
    inline void setx( float val) { 
        _x = val; 
    }
    inline void sety( float val) { 
        _y = val; 
    }
    void normalize() {
        float length = 1/sqrt(_x*_x + _y*_y);
        _x *= length;
        _y *= length;
    }
};

#endif // OE_UTILS_H