Re: Repulsion between physical and other objects

> For a swing, the trick for natural motion is to use llSin() to
> calculate angles for llSetRot().  This gives you the deceleration at
> the top of the swing so you don't have a jerky direction reversal.
>
> AnnMarie Otoole
>
> ----- Original Message ----- From: "Barrington John"
> <sl.barrington.john@...>
> To: <secondlifescripters@...>
> Sent: Thursday, September 04, 2008 6:17 AM
> Subject: Re: Repulsion between physical and other objects
>
>
>> Something to bear in mind here is that smoothness
>> of movement is surprisingly subjective.
>>
>> Recently, I made a swing for my partner  and
>> started off using llSetRot() to make it happen,
>> but couldn't get it smooth enough for my own
>> tastes - using it was actually nauseating for
>> me.  My partner, however, was perfectly happy
>> with the movement.  I was not.  Since this was a
>> labour of love rather than Lindens, I kept
>> investigating - people I spoke to who'd made
>> swings (all using the same method with varying
>> parameters) were adamant that their swings were
>> "smooth" - I, on the other hand, found every one
>> of these swings to be very unpleasant to use,
>> rather to their builders' bafflement. Impasse.
>>
>> In the end, I changed the movement in my own
>> swing to use llTargetOmega() and was delighted to
>> find it completely free from any jerkiness.  My
>> partner kind of agreed that it was a better
>> experience and we started to use the swing a lot
>> more.
>>
>> Now, whenever we come across a swing or a hammock
>> in our SL travels, it is she as much as me who
>> remarks that the swing at home is far more
>> pleasant to use.  Meanwhile, the builders of
>> llSetRot() systems continue to be perfectly happy
>> with their own creations.  It's incredible how
>> subjective it is, and what is fine to one person
>> can actually be genuinely unpleasant,
>> even nauseating, to another.
>>
>> I'd be very interested to visit your llSetRot()
>> Ferris wheel in-world, to see if I could ride it
>> without feeling ill, and to compare notes with
>> someone who found the movement fine to use; I
>> find it hard to believe that the difference is
>> purely psychological, and wonder if it's to do
>> with different hardware.
>>
>> On Wed, 3 Sep 2008 07:09:38 -0700
>> Jippen <cheetahmorph@...> wrote:
>>
>
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