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<title>SGE Documentation - Misc. functions</title>
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<H1>Misc. functions</H1>
<P>
<UL>
<LI><A HREF="#sge_Random">sge_Random</A>
<LI><A HREF="#sge_Randomize">sge_Randomize</A>
<LI><A HREF="#sge_CalibrateDelay">sge_CalibrateDelay</A>
<LI><A HREF="#sge_DelayRes">sge_DelayRes</A>
<LI><A HREF="#sge_Delay">sge_Delay</A>
</UL>
<BR>
<B>int <a name="sge_Random">sge_Random</a>(int min, int max)</B><BR>
Returns a random integer between min and max.<BR><BR>
<B>void <a name="sge_Randomize">sge_Randomize</a>(void)</B><BR>
Seed the random number generator with a number from the system clock. Should be called once before the first use of sge_Random.<BR><BR>
<B>Uint32 <a name="sge_CalibrateDelay">sge_CalibrateDelay</a>(void)</B><BR>
Tests and returns the current resolution (the smallest delay possible) of SDL_Delay(). This test will
take 10-50ms to complete.<BR><BR>
<B>Uint32 <a name="sge_DelayRes">sge_DelayRes</a>(void)</B><BR>
Returns the latest result of sge_CalibrateDelay() or 10ms as default.<BR><BR>
<B>Uint32 <a name="sge_Delay">sge_Delay</a>(Uint32 ticks)</B><BR>
The SGE version of SDL_Delay(). SDL_Delay() burns time by giving it to the system, which gives other
tasks more CPU time. BUT (if you're not running a realtime OS) the delay will not take the exact time
you specified and will not be the same on a different machine or OS. sge_Delay() uses sge_DelayRes()
to get the safe amount of time to burn with SDL_Delay() and burns the rest in a loop. This should
give the same delay on all machines & OSes but still give more CPU time to other tasks if possible.
Note that if the user starts something CPU intensive after you called sge_CalibrateDelay() the result
will be less reliable.<BR>
Returns the exact time delayed.<BR><BR>
</P>
<BR><BR><BR><HR>
<P><I><SMALL>
Copyright © 1999-2001 Anders Lindstrm<BR>
Last updated 010220
</SMALL></I></P>
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