llCollisionFilter

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/LSL

CollisionFilter

llCollisionFilter

Summary

Function: llCollisionFilter( string name, key id, integer accept );

110	Function ID
0.0	Forced Delay
10.0	Energy

Sets the collision filter, exclusively or inclusively.

• string	name	–	filter for specific object name or avatar legacy name
• key	id	–	filter by group, avatar or object UUID
• integer	accept	–	TRUE only process collisions that match, FALSE instead excludes matches

if accept == TRUE, only accept collisions with objects name AND id (either is optional), otherwise with objects not name AND id

Caveats

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Examples

Stop filtering: <lsl>llCollisionFilter("", NULL_KEY, TRUE);</lsl> Filter out all collisions: <lsl>llCollisionFilter("", NULL_KEY, FALSE);</lsl> This script, placed in a wearable object, detects a collision when the person wearing it collides with an object named "Post":

• 1st instance :

an object named "Post" has several child prims named "Object" . The prim named "Post" hits the scripted object , the collision will be detected

• 2nd instance :

an object named "Post" has several child prims named "Object" . A child prim named "Object" hits the scripted object , the collision will be detected

• 3rd instance :

an object named "Object" has several child prims named "Post" . A prim named "Post" hits the scripted object , the collision will not be detected

<lsl>default {

   state_entry()
   {
       llCollisionFilter("Post","",TRUE);
   }

   collision_start(integer total_number)
   {
       llSay(0, "OUCH!");
   }

}</lsl>

See Also

Events

•	collision_start
•	collision
•	collision_end

Functions

•	llPassCollisions
•	llVolumeDetect

Deep Notes

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Signature
function void llCollisionFilter( string name, key id, integer accept );