LlVolumeDetect

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/LSL

VolumeDetect

llVolumeDetect

Summary

Function: llVolumeDetect( integer detect );

0.0	Forced Delay
10.0	Energy

If detect is TRUE, VolumeDetect is enabled, physical object and avatars can pass through the object. This works much like Phantom, but unlike Phantom, VolumeDetect objects trigger collision_start and collision_end events when interpenetrating. Collision events will trigger in any script in the object.

• integer

detect

–

TRUE enables, FALSE disables

Caveats

• llDetectedLinkNumber will return 0 in collision_start and collision_end events of VolumeDetect objects (SVC-2996).
• VolumeDetect objects will fall through the ground, whereas Phantom objects will not.
• VolumeDetect cannot be enabled on attachments^[1].
• Only detects physical objects and avatars.
• Can only be applied to the root prim (which will make the entire object VolumeDetect).
• When moving via llSetPos() by a loop of stages, collision events will not trigger.
• Attachments will not register collision events when the avatar collides with a VolumeDetect object.
• land_collision_start, land_collision_end and land_collision events are not generated anymore after setting VolumeDetect to TRUE.

Examples

<lsl>default {

   state_entry()
   {
       llVolumeDetect(TRUE); // Starts llVolumeDetect
   }
   collision_start(integer total_number)
   {
       llSay(0, "Detected!"); // Tells you when something penetrates the prim
   }

}</lsl>

See Also

Events

•	collision_start
•	collision
•	collision_end

Functions

•

llPassCollisions

Deep Notes

Footnotes

1. ^ Attachments aren't included in the avatar bounding box, so it's moot

Signature
function void llVolumeDetect( integer detect );