llDetectedTouchUV

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/LSL

DetectedTouchUV

llDetectedTouchUV

Summary

Function: vector llDetectedTouchUV( integer index );

0.0	Forced Delay
10.0	Energy

Returns a vector that is the texture coordinates for where the prim was touched. The x & y vector positions contain the u & v texture coordinates respectively (<u, v, 0.0>).

TOUCH_INVALID_TEXCOORD is returned when the touch UV coordinates cannot be determined. See Caveats for further details.

• integer

index

–

Index of detection information

index does not support negative indexes. For the touch category of events only. The prim that was touched may not be the prim receiving the event, use llDetectedLinkNumber to check for this; likewise you can use llDetectedTouchFace to determine which face was touched.

Caveats

• If index is out of bounds the script continues to execute without an error message.
• TOUCH_INVALID_TEXCOORD is returned when...
  • The avatar's viewer does not support face touch detection.
    • To check if face touch detection is supported check the return of llDetectedTouchFace.
  • The touch has moved off the surface of the prim.
  • The touch happened too close to the edge of the face to determine a location.
  • The event triggered is not a touch event.

Examples

<lsl> default {

   touch_start(integer UV_detected)
   {
       integer i = 0;
       for(; i<UV_detected; ++i)
           llWhisper(0, "UV clicked: " + (string)llDetectedTouchUV(i));
   }

} </lsl> <lsl> default {

   touch_start(integer total_number)
   {
       vector UV = llDetectedTouchUV(0);
       float U = UV.x;
       float V = UV.y;
       // Now you can report U and V separately, or you can compare them separately with IF statements.
       // You of course do not need to store the vector components to separate variables,
       // you can access them from the vector that used as an intermediate, like this:
       // llSay(0, (string) UV.x);

   }

}

</lsl>

See Also

Events

•	touch_start
•	touch
•	touch_end

Functions

•	llDetectedLinkNumber
•	llDetectedTouchFace
•	llDetectedTouchST
•	llDetectedTouchPos
•	llDetectedTouchNormal
•	llDetectedTouchBinormal

Articles

•

Detected

Deep Notes

History

• Introduced in SVN:870 r92872 Trunk 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).

Signature
function vector llDetectedTouchUV( integer index );