project-kyoku/tools/shared/tools/mathutils.h

#pragma once

using microsec = long long;

struct TimeRange
{
    const microsec begin = 0;
    const microsec end = 0;

    constexpr inline explicit TimeRange() noexcept :
        begin(0), end(0)
    {}

    constexpr inline explicit TimeRange(microsec x, microsec y) noexcept :
        begin(x), end(y)
    {}
};

struct Coordinates
{
    float x;
    float y;

    constexpr inline explicit Coordinates() noexcept :
        x(0.), y(0.)
    {}

    constexpr inline explicit Coordinates(int x, int y) noexcept :
        x(x), y(y)
    {}

    constexpr inline explicit Coordinates(float x, float y) noexcept :
        x(x), y(y)
    {}

    constexpr inline Coordinates operator+(const Coordinates& right) const noexcept
    {
        return Coordinates{right.x + x, right.y + y};
    }

    constexpr inline Coordinates operator-(const Coordinates& right) const noexcept
    {
        return Coordinates{right.x - x, right.y - y};
    }

    inline void moveBy(float x, float y) noexcept
    {
        this->x += x;
        this->y += y;
    }

    inline void moveBy(const Coordinates& right) noexcept
    {
        this->x += right.x;
        this->y += right.y;
    }

    inline void scale(float factor) noexcept
    {
        x *= factor;
        y *= factor;
    }
};