view docs/html/time.html @ 1621:f12379c41042

Fixes bug #195: The proper name of Apple's operating system is "Mac OS X" not "MacOS X", as can bee seen in many places, for example http://www.apple.com/macosx/). This contrasts the naming of the old operating system, which was called "MacOS" and today is often refered to as "MacOS Classic". The attached patches fixes the misuse of the name "MacOS X" in both the SDL12 and sdlweb CVS modules.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 13 Apr 2006 13:08:26 +0000
parents 355632dca928
children
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>Chapter 13. Time</H1
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>Table of Contents</B
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><DT
><A
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>SDL_GetTicks</A
>&nbsp;--&nbsp;Get the number of milliseconds since the SDL library initialization.</DT
><DT
><A
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>SDL_Delay</A
>&nbsp;--&nbsp;Wait a specified number of milliseconds before returning.</DT
><DT
><A
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>SDL_AddTimer</A
>&nbsp;--&nbsp;Add a timer which will call a callback after the specified number of milliseconds has
elapsed.</DT
><DT
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>SDL_RemoveTimer</A
>&nbsp;--&nbsp;Remove a timer which was added with
<A
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>SDL_AddTimer</A
>.</DT
><DT
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>SDL_SetTimer</A
>&nbsp;--&nbsp;Set a callback to run after the specified number of milliseconds has
elapsed.</DT
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><P
>SDL provides several cross-platform functions for dealing with time.
It provides a way to get the current time, a way to wait a little while,
and a simple timer mechanism.  These functions give you two ways of moving an
object every x milliseconds:

<P
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>Use a timer callback function.  This may have the bad effect that it runs in a seperate thread or uses alarm signals, but it's easier to implement.</P
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>Or you can get the number of milliseconds passed, and move the object if, for example, 30 ms passed.</P
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>&#13;</P
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