Function update

src/OpenLoco/src/OpenLoco.cpp:708–726

    }

    static void update()
    {
        auto timeNow = Clock::now();
        auto elapsed = std::chrono::duration_cast<std::chrono::microseconds>(timeNow - _lastUpdate).count() / 1'000'000.0;

        elapsed *= TimeScale;

        _accumulator = std::min(_accumulator + elapsed, MaxUpdateTime);
        _lastUpdate = timeNow;

        if (Config::get().uncapFPS)
        {
            variableUpdate();
        }
        else
        {
            fixedUpdate();
        }
    }

    // 0x00406386
    static void run()