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/*
* Copyright (c) 2009-2016, Albertas Vyšniauskas
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* * Neither the name of the software author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GPICK_VECTOR2_H_
#define GPICK_VECTOR2_H_
#include <math.h>
namespace math
{
/** \struct Vec2
* \brief Two dimensional vector
*/
template<typename T>
struct Vec2
{
public:
Vec2()
{
x = y = 0;
};
Vec2(const T &x_, const T &y_)
{
x = x_;
y = y_;
};
Vec2(T &x_, T &y_)
{
x = x_;
y = y_;
};
Vec2 &operator=(const Vec2 &v)
{
x = v.x;
y = v.y;
return *this;
};
Vec2 operator*(const Vec2 &v)
{
Vec2 r;
r.x = x * v.x;
r.y = y * v.y;
return r;
};
Vec2 operator*(const double &v)
{
Vec2 r;
r.x = x * v;
r.y = y * v;
return r;
};
Vec2 operator+(const Vec2 &v)
{
Vec2 r;
r.x = x + v.x;
r.y = y + v.y;
return r;
};
Vec2 operator-(const Vec2 &v)
{
Vec2 r;
r.x = x - v.x;
r.y = y - v.y;
return r;
};
const Vec2 operator-() const
{
Vec2 r;
r.x = -x;
r.y = -y;
return r;
};
friend bool operator!=(const Vec2 &lhs, const Vec2 &rhs)
{
if (lhs.x != rhs.x) return false;
if (lhs.y != rhs.y) return false;
return true;
};
static T distance(const Vec2&a, const Vec2 &b)
{
return sqrt((a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y));
};
T x;
T y;
};
}
#endif /* GPICK_VECTOR2_H_ */
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