[opensource-dev] Broken Rubber Bands

Kelly Linden kelly at lindenlab.com
Tue Oct 12 14:06:02 PDT 2010


If anyone is interested his code is here:
http://bitbucket.org/simon_linden/viewer-dev

cc'ing the opensource-dev list as this seems appropriate for that list at
this point.

 - Kelly

On Tue, Oct 12, 2010 at 8:27 AM, Kelly Linden <kelly at lindenlab.com> wrote:

> Actually one of my coworkers has been working on some features along these
> lines. The two parts I'm aware of prevent flying into the horizon if there
> is no neighbor sim and some attenuation of movement if it has been too long
> since getting an update from the sim. He was also working on some region
> crossing specific bits to try and improve the prediction logic and reduce
> rubber banding, however he was getting mixed results on that front.
>
> I've forwarded him your email just so he has another data point, and I'll
> see if I can't find his repo to share should anyone want to give his patches
> a try.
>
>  - Kelly
>
> On Tue, Oct 12, 2010 at 7:35 AM, AnnMarie at SLFBI.com <AnnMarie at slfbi.com>wrote:
>
>>  Border crossing rubber-banding, especially when riding a vehicle, can
>> vary from zero to annoying to purgatory to re-boot depending on the
>> severity.
>> My current SLURL is sim Sunell, <60902, 26106???, -136289?????> which
>> puts me at least 13 billion meters below ground on my way to SL hell.
>> It will require a re-log to recover.
>>
>> DUH.  The client side viewer would not have to be very smart to figure
>> out something was wrong and discontinue stretching a rubber band that is
>> obviously broken.
>>
>> Why cannot the viewer and server have a simple uplink command that says
>> "I'm totally lost, please put me back at the last known vector"?  It
>> could even have a popup to explain you have been restored to an earlier
>> valid location.
>>
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