Difference between revisions of "No sensor"

From Second Life Wiki
Jump to navigation Jump to search
m
m (Replaced old <LSL> block with <source lang="lsl2">)
 
(4 intermediate revisions by 2 users not shown)
Line 11: Line 11:
**To determine if an avatar is in the region, try [[llGetAgentSize]]
**To determine if an avatar is in the region, try [[llGetAgentSize]]
|examples=
|examples=
<lsl>//List all avatars in range.
<source lang="lsl2">//List all avatars in range.
default {
default  
     on_rez(integer i) {
{
           llSensor("", "", AGENT, 100000, 10000);
     on_rez(integer i)  
    {
           llSensor("", "", AGENT_BY_LEGACY_NAME, 96.0, PI);   // Detect any avatars within a 96 metre radius sphere
     }
     }
     sensor(integer num) {
     sensor(integer number_detected)  
    {
           integer i = 0;
           integer i = 0;
           do {
           do  
               llOwnerSay(llDetectedName(i) + " is " + (string)llVecDist(llGetPos(), llDetectedPos(i)) + "m away.");
          {
           }while(++i < num);
               llOwnerSay(llDetectedName(i) + " is " + (string) llVecDist(llGetPos(), llDetectedPos(i) ) + "m away.");
           }
          while(++i < number_detected);
     }
     }
     no_sensor() {
     no_sensor()  
    {
           llOwnerSay("No avatars in range.");
           llOwnerSay("No avatars in range.");
     }
     }
}</lsl>
}
</source>


|helpers=
|helpers=
<lsl>//An alternative solution for find out if a user is not in range
<source lang="lsl2">//An alternative solution for find out if a user is not in range
//No sensor is used so the above caveat doesn't apply.
//No sensor is used so the above caveat doesn't apply.


Line 36: Line 43:
     if(data == [])
     if(data == [])
         return 0;
         return 0;
     return llVecDist(llList2Vector(data, 0), llGetPos()) <= dist;
     return llVecDist(llList2Vector(data, 0), llGetPos()) <= distance;
}</lsl>
}</source>
|also_header
|also_header
|also_events
|also_events

Latest revision as of 01:15, 22 January 2015

Description

Event: no_sensor( ){ ; }

Result of a call to llSensor or llSensorRepeat.


Caveats

  • sensor/no_sensor are not always the best solution:
All Issues ~ Search JIRA for related Bugs

Examples

//List all avatars in range.
default 
{
     on_rez(integer i) 
     {
          llSensor("", "", AGENT_BY_LEGACY_NAME, 96.0, PI);   // Detect any avatars within a 96 metre radius sphere
     }
     sensor(integer number_detected) 
     {
          integer i = 0;
          do 
          {
               llOwnerSay(llDetectedName(i) + " is " + (string) llVecDist(llGetPos(), llDetectedPos(i) ) + "m away.");
          }
          while(++i < number_detected);
     }
     no_sensor() 
     {
          llOwnerSay("No avatars in range.");
     }
}

Useful Snippets

//An alternative solution for find out if a user is not in range
//No sensor is used so the above caveat doesn't apply.

integer InRange(key uuid, float distance)
{
    list data = llGetObjectDetails(uuid, [OBJECT_POS]);
    if(data == [])
        return 0;
    return llVecDist(llList2Vector(data, 0), llGetPos()) <= distance;
}

See Also

Functions

•  llSensor
•  llSensorRepeat

Deep Notes

Issues

All Issues

~ Search JIRA for related Issues
   llSensorRepeat not triggering no_sensor unless a sensor event handler is present

Signature

event void no_sensor(  );