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	Display how long the program has been running:		Display how long the program has been running:
	<pre>		<pre>
		+	Program timers;
	Private		Private
	int ft; // Help variable		int ft; // Help variable
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	End		End
	</pre>		</pre>
		+	Used in example: [[set_mode]](), [[write_int]](), [[write_float]](), [[key]](), [[frame_time]]
	Let a [[process]] wait for a certain time by calling this function:		Let a [[process]] wait for a certain time by calling this function:

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Revision as of 18:39, 27 December 2007

Up to Global Variables

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Definition

INT[9] timer

Timer is a global variable, holding ten integers. Each frame a certain value is added to all of them. This value is the time it took to build the last frame, in 1/100 seconds.

So when all the timers are never altered, their values will be about 1234 when the program has been running for 12.34 seconds.

Example

Display how long the program has been running:

Program timers;
Private
    int ft; // Help variable
    int i;  // how long the program has been running in 1/100s
    float f; // how long the program has been running in 1/100s
Begin

    set_mode(320,400,8);
    write_int   (0,0,300,0,&timer);
    write_int   (0,0,310,0,&i);
    write_float (0,0,320,0,&f);

    Repeat

        // Calculate how long the program has been running in 1/100s without a float
        ft %= 10; // keep the milliseconds from last time
        ft += frame_time*1000; // add the last passed time to it in milliseconds
        i += ft/10; // add it to the integer without the milliseconds

        // Calculate how long the program has been running in 1/100s with a float
        f+=frame_time*100;

        frame;
    Until(key(_ESC))

End

Used in example: set_mode(), write_int(), write_float(), key(), frame_time

Let a process wait for a certain time by calling this function:

Function int wait(int t)
Begin
    t += timer[0];
    While(timer[0]<t) frame; End
    return t-timer[0];
End

This can be done without a timer too, as is displayed here.

Global variables

• Argc • Argv • Cdinfo • Dump_type • Fading • Fileinfo • Fps • Frame_time • Full_screen • Graph_mode • Mouse • Os_id • Restore_type • Scale_mode • Scroll • Sound_channels • Sound_freq • Sound_mode • Text_flags • Text_z • Timer •