llDetectedTouchNormal

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DetectedTouchNormal

llDetectedTouchNormal

	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: vector llDetectedTouchNormal( integer index );

0.0	Forced Delay
10.0	Energy

Returns a vector that is the surface normal (perpendicular to the surface) where the touch event was triggered.

• 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

See Also

Events

•	touch_start
•	touch
•	touch_end

Functions

•	llDetectedLinkNumber
•	llDetectedTouchFace
•	llDetectedTouchBinormal
•	llDetectedTouchPos

Articles

•

Detected

Deep Notes

History

Introduced in Viewer SVN:870 r92872 Branch:Release Wednesday, 23 July 2008, no server support, no viewer binary released.

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 vector llDetectedTouchNormal( integer index );