sleep

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Description:: This article is a Stub. You can help BI Community Wiki by expanding it.
Description needed
Groups:: Program Flow

Syntax:: Syntax needed
Parameters:: delay: Number - in seconds. Negative values will not be considered.
Return Value:: Nothing

Example 1:: [] spawn { sleep 5; hint "after (at least) 5 seconds..."; };
Example 2:: sleep 5 + random 10; // incorrect - will only sleep for 5 seconds, as it will be interpreted as (sleep 5) (+(random 10)) sleep (5 + random 10); // correct
Example 3:: if (isMultiplayer) then { uiSleep 3; // more precise in (non-pausable) multiplayer } else { sleep 3; // sleep gets paused as the game is, usually wanted behaviour };

See also:: uiSleep waitUntil canSuspend execVM spawn sleep vs uiSleep Control Structures

: Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note

: Posted on December 20, 2006 - 19:53
CrashDome: Sleep suspends both SQF functions and SQF scripts. In functions, the calling script is still in suspension due to waiting for a return from the call command. The game engine will continue, however. See Function for more detail.

: Posted on February 12, 2007 - 20:16
Kronzky: Sleep durations between .0005 and .02 will cause the same delay (roughly .02 seconds).
Delays of .0005 and less have no effect (ie, the sleep call will return immediately).
Sbsmac: The comment above is a little misleading. The game engine appears to work by processing frames and then checking to see whether scripts are available to execute. Sleep causes the script/function to be suspended until at least the specified time has elapsed. To wait for the next frame, or give other scripts a chance to run, use Sleep 0.001.

: Posted on July 16, 2007 - 00:13
Inkompetent: For scripts called by the Init Event Handler the first sleep command will suspend the script at the briefing screen at the start of a mission. The script will continue after the briefing screen, when actually "in game".

: Posted on October 18, 2014 - 21:24 (UTC)
AgentRevolution: For server scripts, if you are creating "while true" timers, it is best to use uiSleep instead, as the sleep from that command is not slowed down by simulation / server lag, so the timers will execute at intervals that are much closer to real time, even under heavy lag.

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