Magic_Game/Kiwano/math/Vec2.hpp

100 lines
2.5 KiB
C++

// Copyright (c) 2016-2018 Kiwano - Nomango
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#pragma once
#include "scalar.hpp"
namespace kiwano
{
namespace math
{
template <typename _Ty>
struct Vec2T
{
using value_type = _Ty;
value_type x;
value_type y;
Vec2T() : x(0.f), y(0.f) {}
Vec2T(value_type x, value_type y) : x(x), y(y) {}
Vec2T(const Vec2T& other) : x(other.x), y(other.y) {}
inline value_type Length() const
{
return math::Sqrt(x * x + y * y);
}
inline bool IsOrigin() const
{
return (x == 0) && (y == 0);
}
inline void Set(value_type x, value_type y)
{
this->x = x;
this->y = y;
}
inline const Vec2T operator + (const Vec2T & other) const
{
return Vec2T(x + other.x, y + other.y);
}
inline const Vec2T operator - (const Vec2T & other) const
{
return Vec2T(x - other.x, y - other.y);
}
inline const Vec2T operator * (value_type val) const
{
return Vec2T(x * val, y * val);
}
inline const Vec2T operator / (value_type val) const
{
return Vec2T(x / val, y / val);
}
inline const Vec2T operator - () const
{
return Vec2T(-x, -y);
}
inline bool operator== (const Vec2T& other) const
{
return (x == other.x) && (y == other.y);
}
inline bool operator!= (const Vec2T& other) const
{
return (x != other.x) || (y != other.y);
}
};
}
}
namespace kiwano
{
using Vec2 = kiwano::math::Vec2T<float>;
}