128 lines
2.9 KiB
C++
128 lines
2.9 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 Vec2T& operator += (const Vec2T& other)
|
|
{
|
|
x += other.x;
|
|
y += other.y;
|
|
return (*this);
|
|
}
|
|
|
|
inline Vec2T& operator -= (const Vec2T& other)
|
|
{
|
|
x -= other.x;
|
|
y -= other.y;
|
|
return (*this);
|
|
}
|
|
|
|
inline Vec2T& operator *= (value_type val)
|
|
{
|
|
x *= val;
|
|
y *= val;
|
|
return (*this);
|
|
}
|
|
|
|
inline Vec2T& operator /= (value_type val)
|
|
{
|
|
x /= val;
|
|
y /= val;
|
|
return (*this);
|
|
}
|
|
|
|
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>;
|
|
}
|