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I have a main routine that loops infinitely. By changing bool variables using keyboard input, I want to be able to control whether certain if{} statements within that loop are getting called. I found this thread:
C non-blocking keyboard input,
but it seems excessively laborious and complicated for seemingly basic functionality. Is there an easier way to do it?

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3 回答 3

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You'll have to use the OS/Firmware/Framework/environment API to get input events, or use a library that do this for you. Anyway, there is no built-in way of doing this in C++.

I often use OIS in games. It's cross-platform and easy to use. Not sure it's useful for other cases than games but it does the job for you.

于 2011-03-05T12:17:24.060 回答
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The SDL library is one way to do it cross-platform. Here's an example of polling keyboard events.

于 2011-03-05T12:36:15.533 回答
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Put the main routine in a thread, then have something like 

static char mode = ' ';
while(mode != 27) // to allow Esc to end program
{
  mode = _getch();
}

Threaded code can then do different things based on what key was pressed.

于 2011-03-05T12:36:33.657 回答