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Display fps

Started by Lafo Aug 12, 1999 at 12:13 AM 4 replies 1.8k views

Original Post

Lafo

Aug 12, 1999 at 12:13 AM

Hello, i'm trying to figure out a way to show the fps on screen.

I want to display the fps using TextOut, but my variable is an integer ans TextOut only accept String.

How can I change my int into a char[] or is there another way to show the fps without TextOut.

Lafo

The Madman

Aug 5, 1999 at 8:02 PM

OK, assuming string OhYes and integer ItFeelsGood holding the frame rate, here's how you would put the integer value into a string:

sprintf(OhYes, "Frame Rate: %d", ItFeelsGood);

Hope that helps.

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That's how you do it, but that's just the opinion of a MADMAN!!! BWAHAHAAHAHA! :D :D :D

White Fire

Aug 8, 1999 at 12:53 AM

That's the simplest and most efficient way to do it, but there's a caveat...

Perhaps sounds obvious, but I've seen people caught out before... make sure that your string (OhYes in the example above) has room for the entire integer _and_ the trailing null.

The best you can hope for if you don't is a seg-fault

White Fire

Slide

Aug 10, 1999 at 4:05 PM

and dont forget displaying the fps drops the fps

if its for development work i'd store it all in some ram structure then dump to textfile for better readings

NuFAN

Aug 10, 1999 at 5:28 PM

You could also try :

TextOut(hdc, 20, 20, FloatToStr(fps).c_str(), sizeof(FloatToStr(fps).c_str()));

This should also work and is just one line of code.

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