LlDetectedTouchFace

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/LSL

DetectedTouchFace

llDetectedTouchFace

	Pre-release Documentation Warning!
	This function is not available yet. This documentation was written prior to its final release so it may not match the final implementation.

Summary

Function: integer llDetectedTouchFace( integer index );

0.0	Forced Delay
10.0	Energy

Returns an integer that is the index of the face the avatar clicked on, or -1 if the avatar's viewer does not support this feature.

• integer

index

–

Index of detection information

index does not support negative indexes. For the touch category 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 index 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]

Examples

<lsl> default {

   touch_start(integer num_detected) {
       integer i;
       for (i = 0; i < num_detected; i++) {
           integer touchedFace = llDetectedTouchFace(i);      

           if (touchedFace == -1) {
               llWhisper(0, "Sorry, your viewer doesn't support touched faces.");
           }
           else {
               // Store away the original color
               vector oldColor = llGetColor(touchedFace);

               // Flash white and black on the touched face
               llSetColor(<1. ,1. ,1.>, touchedFace);
               llSleep(0.1);
               llSetColor(<0. ,0. ,0.>, touchedFace);
               llSleep(0.1);
               
               // Put the color back to how we found it.
               llSetColor(oldColor, touchedFace);
           } // if ...
       } // for ...
   } // touch_start

}

</lsl>

See Also

Events

•	touch_start
•	touch
•	touch_end

Functions

•

llDetectedLinkNumber

Articles

•

Detected

Deep Notes

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 llDetectedTouchFace( integer index );