point.h

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#pragma once
 
#include "di/math/linalg/vec.h"
#include "di/types/floats.h"
#include "di/types/integers.h"
#include "di/util/get.h"
 
namespace gfx {
struct PointTag {
    using Type = f32;
    constexpr static auto extent = 2ZU;
 
    struct Mixin {
        using Self = di::math::linalg::Vec<PointTag>;
 
        constexpr auto x() const { return di::get<0>(as_self()); }
        constexpr auto x() -> f32& { return di::get<0>(as_self()); }
 
        constexpr auto y() const { return di::get<1>(as_self()); }
        constexpr auto y() -> f32& { return di::get<1>(as_self()); }
 
        constexpr auto with_x(Type x) const { return Self { x, y() }; }
        constexpr auto with_y(Type y) const { return Self { x(), y }; }
 
    private:
        constexpr auto as_self() const -> Self const& { return static_cast<Self const&>(*this); }
        constexpr auto as_self() -> Self& { return static_cast<Self&>(*this); }
    };
};
 
using Point = di::math::linalg::Vec<PointTag>;
}