Difference between revisions of "LlGetVel"

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(The signing of examples is kinda taboo, so it's best to do it at the bottom of the code and not the top.)
m (Error in local vel vector calculation)
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|also_articles
|also_articles
|notes=To get the velocity relative the local frame (the direction the object is pointing), multiply the output of this function with that of it's rotation.
|notes=To get the velocity relative the local frame (the direction the object is pointing), multiply the output of this function with that of it's rotation.
<lsl>vector local_vel = llGetVel() * llGetRot()</lsl>
<lsl>vector local_vel = llGetVel() / llGetRot()</lsl>
|cat1=Physics
|cat1=Physics
|cat2=Vehicle
|cat2=Vehicle

Revision as of 17:06, 28 August 2008

Summary

Function: vector llGetVel( );

Returns a vector that is the velocity of the object.

Velocity reported is relative to the global coordinate frame (the object rotation has no affect on this functions output).

Examples

<lsl>//A very simple (and not very effective) way of keeping a physical object in place. //If you ever want to actually stop an object, use llMoveToTarget(llGetPos(), .1)

default {

   state_entry()
   {
       vector spd;
       {
           @loop;
           if (llVecMag(spd = llGetVel()) > .001)
           { //We're accelerating...
               llApplyImpulse(-spd, 0) //Slow us down.
           }
       jump loop;
       }
   }
}//Written by Xaviar Czervik</lsl>

Notes

To get the velocity relative the local frame (the direction the object is pointing), multiply the output of this function with that of it's rotation. <lsl>vector local_vel = llGetVel() / llGetRot()</lsl>

See Also

Functions

•  llGetAccel
•  llGetOmega
•  llGetForce Gets the objects force
•  llGetTorque
•  llGetMass

Deep Notes

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Signature

function vector llGetVel();