light/modules/math/public/vec2.hpp

80 lines
1.3 KiB
C++

#pragma once
namespace lt::math {
template<typename T = float>
struct vec2_impl
{
constexpr vec2_impl(): x(), y()
{
}
constexpr explicit vec2_impl(T scalar): x(scalar), y(scalar)
{
}
constexpr vec2_impl(T x, T y): x(x), y(y)
{
}
[[nodiscard]] auto operator==(const vec2_impl<T> &other) const -> bool
{
return x == other.x && y == other.y;
}
[[nodiscard]] auto operator!=(const vec2_impl<T> &other) const -> bool
{
return !(*this == other);
}
[[nodiscard]] auto operator*(const vec2_impl<T> &other) const -> vec2_impl
{
return {
x * other.x,
y * other.y,
};
}
[[nodiscard]] auto operator-(const vec2_impl<T> &other) const -> vec2_impl
{
return {
x - other.x,
y - other.y,
};
}
[[nodiscard]] auto operator*(float scalar) const -> vec2_impl
{
return {
x * scalar,
y * scalar,
};
}
T x; // NOLINT
T y; // NOLINT
};
using vec2 = vec2_impl<float>;
using ivec2 = vec2_impl<int32_t>;
using uvec2 = vec2_impl<uint32_t>;
} // namespace lt::math
template<typename T>
struct std::formatter<lt::math::vec2_impl<T>>
{
constexpr auto parse(std::format_parse_context &context)
{
return context.begin();
}
auto format(const lt::math::vec2_impl<T> &val, std::format_context &context) const
{
return std::format_to(context.out(), "{}, {}", val.x, val.y);
}
};