Stopwatchを一括して停止・再開したり、遅く／速く進行させる（ISteadyClockの実装例）

https://gyazo.com/13fe38ffa39e3f4eae067a10c778db63

code:customclock.cpp

# include <Siv3D.hpp> // OpenSiv3D v0.6.11

class CustomClock : public ISteadyClock

{

public:

CustomClock(StartImmediately startImmediately = StartImmediately::No)

: m_clock{ startImmediately }

{

}

virtual ~CustomClock() {}

virtual uint64 getMicrosec() override

{

return m_clock.us64();

}

double getSec() const

{

return m_clock.sF();

}

void start()

{

m_clock.start();

}

void pause()

{

m_clock.pause();

}

bool isPaused() const

{

return m_clock.isPaused();

}

void setSpeed(const double speed)

{

m_clock.setSpeed(speed);

}

double getSpeed() const

{

return m_clock.getSpeed();

}

private:

VariableSpeedStopwatch m_clock;

};

void Main()

{

Scene::SetBackground(ColorF{ 0, 0, 0 });

Font font{ 32, Typeface::Medium };

// 基準時刻

CustomClock clock{ StartImmediately::Yes };

// これらを一括で停止したり再開したり、速度を変えたりしたい

Stopwatch stopwatch1{ StartImmediately::Yes, &clock };

VariableSpeedStopwatch stopwatch2{ 0.3, StartImmediately::Yes, &clock };

VariableSpeedStopwatch stopwatch3{ 1.5, StartImmediately::Yes, &clock };

while (System::Update())

{

if (KeyEnter.down())

{

if (clock.isPaused())

{

clock.start();

}

else

{

clock.pause();

}

}

const double clockSpeed = clock.getSpeed();

if (KeyUp.down())

{

clock.setSpeed(Clamp(clockSpeed + 0.2, 0.2, 4.0));

}

else if (KeyDown.down())

{

clock.setSpeed(Clamp(clockSpeed - 0.2, 0.2, 4.0));

}

font(U"Speed: {:.1f}"_fmt(clock.getSpeed())).draw(8, 8);

font(clock.isPaused() ? U"(Paused)" : U"").draw(200, 8);

font(U"Stopwatch1: {:.1f}"_fmt(stopwatch1.sF())).draw(8, 24 + (32 + 12) * 1);

font(U"Stopwatch2: {:.1f}"_fmt(stopwatch2.sF())).draw(8, 24 + (32 + 12) * 2);

font(U"Stopwatch3: {:.1f}"_fmt(stopwatch3.sF())).draw(8, 24 + (32 + 12) * 3);

}

}