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LlDetectedVel

From OSgrid Wiki

Function: vector llDetectedVel( integer number );

Returns a vector that is the velocity of detected object number.
• integer number – Index of detection information

number does not support negative indexes.
Returns <0.0, 0.0, 0.0> if number is not valid sensed object.

Specification
llDetected* functions can be called anywhere but will only return non-default values if called from within Detection events and functions called by Detection events.

Caveats
• Events that enable the llDetected* functions always return at least one detected item.
-• Detection events are not raised if there is nothing detected (with the slight exception of no_sensor but it doesn't enable llDetected* functions).
-• The event detection count parameter value is initially never less than 1.

Examples

<source lang="lsl">

//Tells the name and velocity of all near-by avatars. default {

    state_entry() {
         llSensor("", "", AGENT, 10000, 10000);
    }
    sensor(integer num) {
         integer i = 0;
         while (i < num) {
              llOwnerSay(llDetectedName(i) + " is moving at " + (string)llVecMag(llDetectedVel(i)) + " m/s.");
              ++i;
         }
    }

} </source>