[#SVC-2697] llApplyImpulse/llMoveToTarget don't work in attachements while hovering

2. Second Life Service - SVC

llApplyImpulse/llMoveToTarget don't work in attachements while hovering

Created: 26/Jul/08 06:53 AM Updated: 12/Jul/09 06:33 PM

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Component/s:

Physics, Scripts

Affects Version/s:

1.23.4 Server

Fix Version/s:

None

Issue Links:

Duplicate

This issue is original of duplicate:

~~SVC-3512~~ Flight blocks scripted movement

Relates

This issue Relates to:

SVC-2013 Avatar sinks in normal hover

Last Triaged:	13/Oct/08 08:32 AM
Linden Lab Issue ID:	DEV-22278

Description

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Consider the following script in an attachment, when hovering :

—

default
{
state_entry(){ }

attach(key id)
{
if (id){ llSetTimerEvent(1.0); }
}

timer()
{
integer up = (integer) llFrand(2.0);
if (up){ llApplyImpulse(<0,0,0.5>, FALSE); } else { llApplyImpulse(<0,0,-0.5>, FALSE); }

vector speed = llGetVel();
llOwnerSay((string)speed.z);
}
}

—

The script should sometimes move you up, sometimes move you down, but instead the avatar doesn't move at all.
If you use greater values for the z component, it will work only after you've moved once.

This bug appeared after the fix for part of SVC-2013 went in, is to say in 1.22.2 .

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Comments

Change History

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Ezian Ecksol added a comment - 26/Jul/08 09:07 AM - edited

llMoveToTarget doesn't work in attachements while hovering, too. Only very seldom, strangly unreliable.

This issue exists for long time, not only in the present server release.

I was so free to adjust this jira's title, because I think the two issues are caused by the same problem.

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Mare Novi added a comment - 08/Aug/08 09:21 AM

I use llMoveToTarget() and llSetHoverHeight() in an AO I'm developing, and have the same problem in Havoc4. The av will seldom move without giving her a "kick" with a movement key (arrows or up/down). Cancelling hover before the move doesn't seem to have any effect.

I'm testing in Tymel, but it seems to occur in any sim I've tried.

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Crystal Falcon added a comment - 31/Aug/08 10:09 PM

So I discovered this today too, stop flying and llMoveToTarget works, start flying and it doesn't. I took of my flight assist to no affect. I checked the forums to find this thread and bafflement there too with others running into this problem: http://forums.secondlife.com/showthread.php?p=2130831

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Ezian Ecksol added a comment - 10/Oct/08 06:39 PM - edited

Lindens, pushing old thread, why llMoveToTarget doesn't work reliable in an attachement while hovering? That's inconsistent. Please explain. Thank you.

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Yukinoroh Kamachi added a comment - 14/Oct/08 09:24 AM

I think that if a complete fix was applied to SVC-2013 while considering this bug, the code could be also used to solve half of SVC-1792. Three hits with one stone.

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Jack Abraham added a comment - 12/Jul/09 06:33 PM

This reproduces on server 1.27.0.126647. However, I notice that if you even momentarilly bump out of hover (slight rotation will do it) the llMoveToTarget() is able to take hold and start you moving; it then continues until you again hover. Also, if you enter flight using the Fly button or keypad equivalent, do not touch the movement keys, and attempt to llMoveToTarget, you're fine; when you stop, though, you cannot restart without the work-around listed.