library-mirrors/beholder.lua
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fixed README

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Enrique García 2011-10-26 00:38:48 +02:00
parent e9a3d1a113
commit d66b78dd8b
1 changed files with 3 additions and 3 deletions
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@ -86,17 +86,17 @@ Will trigger this action:
But also this other one:
<pre>Beholder:trigger({'PLAYERDETECTION', player1}, function(x,y) print("player1 detected at ",x,y)</pre>
<pre>Beholder:observe({'PLAYERDETECTION', player1}, function(x,y) print("player1 detected at ",x,y)</pre>
Notice that the two "missing elements" of the table will be passed to the callback as additional parameters. Indeed, that second d action will be executed any time player1 is detected, no matter what coordinates.
Similarly, you can add an action that will be triggered for any player detection:
<pre>Beholder:trigger({'PLAYERDETECTION'}, function(player,x,y) print(player.no," detected at ",x,y)</pre>
<pre>Beholder:observe({'PLAYERDETECTION'}, function(player,x,y) print(player.no," detected at ",x,y)</pre>
As a matter of fact, that code would be exactly equivalent to this other code:
<pre>Beholder:trigger('PLAYERDETECTION', function(player,x,y) print(player.no," detected at ",x,y)</pre>
<pre>Beholder:observe('PLAYERDETECTION', function(player,x,y) print(player.no," detected at ",x,y)</pre>
If you want to detect all signals raised (i.e. for logging and debugging) you can do so by observing the empty table: