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| author | Jesse Hall <jessehall@google.com> | 2012-07-09 11:27:07 -0700 |
|---|---|---|
| committer | Jesse Hall <jessehall@google.com> | 2012-07-22 00:35:08 -0700 |
| commit | 9682c8870b8ff5e4ac2e4c70b759f791c6f38c1f (patch) | |
| tree | ded6ee18c4e1f33df235e53615a6d65e2d64f4ef /distrib/sdl-1.2.15/docs/html/guidetimeexamples.html | |
| parent | 74b55003f76dbca96e4a26d98fe464081ca5341f (diff) | |
| download | external_qemu-9682c8870b8ff5e4ac2e4c70b759f791c6f38c1f.zip external_qemu-9682c8870b8ff5e4ac2e4c70b759f791c6f38c1f.tar.gz external_qemu-9682c8870b8ff5e4ac2e4c70b759f791c6f38c1f.tar.bz2 | |
Import SDL release-1.2.15
Change-Id: I505c4aea24325cad475f217db5589814b4c75dbf
Diffstat (limited to 'distrib/sdl-1.2.15/docs/html/guidetimeexamples.html')
| -rw-r--r-- | distrib/sdl-1.2.15/docs/html/guidetimeexamples.html | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/docs/html/guidetimeexamples.html b/distrib/sdl-1.2.15/docs/html/guidetimeexamples.html new file mode 100644 index 0000000..42b5019 --- /dev/null +++ b/distrib/sdl-1.2.15/docs/html/guidetimeexamples.html @@ -0,0 +1,183 @@ +<HTML +><HEAD +><TITLE +>Time Examples</TITLE +><META +NAME="GENERATOR" +CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ +"><LINK +REL="HOME" +TITLE="SDL Library Documentation" +HREF="index.html"><LINK +REL="UP" +TITLE="Examples" +HREF="guideexamples.html"><LINK +REL="PREVIOUS" +TITLE="CDROM Examples" +HREF="guidecdromexamples.html"><LINK +REL="NEXT" +TITLE="SDL Reference" +HREF="reference.html"></HEAD +><BODY +CLASS="SECT1" +BGCOLOR="#FFF8DC" +TEXT="#000000" +LINK="#0000ee" +VLINK="#551a8b" +ALINK="#ff0000" +><DIV +CLASS="NAVHEADER" +><TABLE +SUMMARY="Header navigation table" +WIDTH="100%" +BORDER="0" +CELLPADDING="0" +CELLSPACING="0" +><TR +><TH +COLSPAN="3" +ALIGN="center" +>SDL Library Documentation</TH +></TR +><TR +><TD +WIDTH="10%" +ALIGN="left" +VALIGN="bottom" +><A +HREF="guidecdromexamples.html" +ACCESSKEY="P" +>Prev</A +></TD +><TD +WIDTH="80%" +ALIGN="center" +VALIGN="bottom" +>Chapter 4. Examples</TD +><TD +WIDTH="10%" +ALIGN="right" +VALIGN="bottom" +><A +HREF="reference.html" +ACCESSKEY="N" +>Next</A +></TD +></TR +></TABLE +><HR +ALIGN="LEFT" +WIDTH="100%"></DIV +><DIV +CLASS="SECT1" +><H1 +CLASS="SECT1" +><A +NAME="GUIDETIMEEXAMPLES" +></A +>Time Examples</H1 +><P +></P +><DIV +CLASS="SECT2" +><H2 +CLASS="SECT2" +><A +NAME="AEN412" +></A +>Time based game loop</H2 +><P +><PRE +CLASS="PROGRAMLISTING" +>#define TICK_INTERVAL 30 + +static Uint32 next_time; + +Uint32 time_left(void) +{ + Uint32 now; + + now = SDL_GetTicks(); + if(next_time <= now) + return 0; + else + return next_time - now; +} + + +/* main game loop */ + + next_time = SDL_GetTicks() + TICK_INTERVAL; + while ( game_running ) { + update_game_state(); + SDL_Delay(time_left()); + next_time += TICK_INTERVAL; + } </PRE +></P +></DIV +></DIV +><DIV +CLASS="NAVFOOTER" +><HR +ALIGN="LEFT" +WIDTH="100%"><TABLE +SUMMARY="Footer navigation table" +WIDTH="100%" +BORDER="0" +CELLPADDING="0" +CELLSPACING="0" +><TR +><TD +WIDTH="33%" +ALIGN="left" +VALIGN="top" +><A +HREF="guidecdromexamples.html" +ACCESSKEY="P" +>Prev</A +></TD +><TD +WIDTH="34%" +ALIGN="center" +VALIGN="top" +><A +HREF="index.html" +ACCESSKEY="H" +>Home</A +></TD +><TD +WIDTH="33%" +ALIGN="right" +VALIGN="top" +><A +HREF="reference.html" +ACCESSKEY="N" +>Next</A +></TD +></TR +><TR +><TD +WIDTH="33%" +ALIGN="left" +VALIGN="top" +>CDROM Examples</TD +><TD +WIDTH="34%" +ALIGN="center" +VALIGN="top" +><A +HREF="guideexamples.html" +ACCESSKEY="U" +>Up</A +></TD +><TD +WIDTH="33%" +ALIGN="right" +VALIGN="top" +>SDL Reference</TD +></TR +></TABLE +></DIV +></BODY +></HTML +>
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