LlApplyImpulse

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/LSL

ApplyImpulse

llApplyImpulse

Summary

Function: llApplyImpulse( vector force, integer local );

72	Function ID
0.0	Forced Delay
10.0	Energy

Applies impulse to object

• vector	force
• integer	local	–	boolean, if TRUE force is treated as a local directional vector, if FALSE force is treated as a region directional vector

Instantaneous impulse. llSetForce has continuous push. "Instantaneous" seems to mean a one second impulse, as an application of a force (in newtons) equal to the object's mass (in kg) for one second will accelerate it to a velocity of 1 (in meters per second), which appears to be what happens with this function.

Caveats

• Only works in physics-enabled objects.
• The magnitude of force may be scaled back by the object's available energy.
• The maximum magnitude of force is 20.0 and if it exceeds that it will be scaled back.
• Silently fails when not called from inside the root prim.

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Examples

<lsl> //Rez an object, and drop this script in it. //This will launch it at the owner. default {

    state_entry() {
         list p = llGetObjectDetails(llGetOwner(), [OBJECT_POS]);
         if(p != []) {
             llSetStatus(STATUS_PHYSICS, TRUE);
             vector pos = llList2Vector(p, 0);
             vector direction = llVecNorm(pos - llGetPos());
             llApplyImpulse(direction * 100, 0);
         }
    }

}

</lsl>

See Also

Functions

•	llApplyRotationalImpulse
•	llSetForce	–	Set continuous force

Deep Notes

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~ Search JIRA for related Issues

SVC-8227

A

llApplyImpulse now works only in the root prim.

Signature
function void llApplyImpulse( vector force, integer local );