Difference between revisions of "LlDetectedLinkNumber"

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Revision as of 18:41, 24 July 2008

Summary

Function: integer llDetectedLinkNumber( integer number );

Returns an integer that is the link number of the triggered event. If not supported by the event, returns zero.

• integer number Index of detection information

number does not support negative indexes. For touch and collision categories of events only.

Specification

llDetected* functions only work if called from within Detection events (collision, collision_start, collision_end, sensor, touch, touch_start, touch_end) or in functions called by Detection events. They will fail silently and return unusable values if called during other events.

Caveats

  • If number is out of bounds the script continues to execute without an error message.
  • Events that enable the llDetected* functions always return at least one detected item.
    • Detection events are not raised if there is nothing detected.[1]
    • The detection event's items detected parameter is initially never less than 1.[2]
  • Will not work reliably with llVolumeDetect.
All Issues ~ Search JIRA for related Bugs

Examples

<lsl> default {

   touch_start(integer num_detected)
   {
       integer i = 0;
       for(; i<num_detected; ++i)
           llWhisper(0, "Link number clicked: " + (string)llDetectedLinkNumber(i));
   }

}

</lsl>

See Also

Events

•  touch_start
•  touch
•  touch_end
•  collision_start
•  collision
•  collision_end

Functions

•  llDetectedTouchFace

Articles

•  Detected

Deep Notes

Search JIRA for related Issues

Footnotes

  1. ^ The exception is no_sensor but it doesn't enable llDetected* functions.
  2. ^ Like all event parameters, the user can overwrite the initial value.

Signature

function integer llDetectedLinkNumber( integer number );