Method exec

src/Skybolt/SkyboltEngine/UpdateLoop/UpdateLoop.cpp:24–50

}

void UpdateLoop::exec(Updatable updatable, ShouldExit shouldExit)
{
	// We must use double precision because time_since_epoch can exceed float precision
	typedef std::chrono::duration<double> seconds;
	double prevElapsedTime = 0;

	while (!shouldExit())
	{
		// Get time delta
		double elapsed;
		while (true) // this loop enforces max frame rate
		{
			elapsed = seconds(std::chrono::high_resolution_clock::now().time_since_epoch()).count();
			if (float(elapsed - prevElapsedTime) > mMinFrameDuration)
				break;
			std::this_thread::sleep_for(std::chrono::milliseconds(1));
		}

		float dtWallClock(elapsed - prevElapsedTime);
		prevElapsedTime = elapsed;

		if (!updatable(dtWallClock))
		{
			return;
		}
	}
}

} // namespace skybolt