llDetectedTouchFace

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/LSL

DetectedTouchFace

llDetectedTouchFace

Summary

Function: integer llDetectedTouchFace( integer index );

338	Function ID
0.0	Forced Delay
10.0	Energy

Returns an integer that is the index of the face the avatar clicked on.

• integer

index

–

Index of detection information

index does not support negative indexes. For the touch category of events only.

Caveats

• If index is out of bounds the script continues to execute without an error message.TOUCH_INVALID_FACE is returned when...
• The avatar's viewer does not support face touch detection.
• The touch has moved off the surface of the prim.
• The triggering event is not a touch event.

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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
•	llDetectedTouchST
•	llDetectedTouchUV
•	llDetectedTouchPos
•	llDetectedTouchNormal
•	llDetectedTouchBinormal

Articles

•

Detected

Deep Notes

History

• Introduced in Viewer SVN:870 r92872 Branch:Release Wednesday, 23 July 2008.
• Server support available in Second Life Server 1.24.7.98039, client support in Release Candidate viewer 1.21.4 (98167)

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Signature
function integer llDetectedTouchFace( integer index );