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/*
* 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