Seats Rezzed Vs Wearable

[Tricky Daines]

Trying to create two seats. One a bar stool, the other a higher lifeguard chair.

I want to use a relaxed looking seating animation.

I tried using a drinking script to load the animation which works fine in the bar stool, but I can not get it to sit higher in the taller chair.

Rezzing both I can get them to work ok using positioning sets but this is really to use as wearable. The avatar position on wearable worn on pelvis I can only adjust the chair not the avatar height/position.

 

I think I need a script that loads the animation and can set the Z position of the avatar. But no idea how to make and can't find.

[Innula Zenovka]

The lsl call you want is llSitTarget() .  Adjust the z value to the distance in metres you want between the centre of the prim containing the script and where you want the avatar's hips.   I'm assuming you can edit your existing script.

There's plenty of excellent tools to help you adjust this.   I can recommend a free one by a forum regular, Dora Gustafson.

 

[Qie Niangao]

As Innula describes, the usual way of positioning animations in a chair is with a sit target, but you say:

Rezzing both I can get them to work ok using positioning sets but this is really to use as wearable.

Evidently, then, you don't intend people to sit in the chairs, but rather to wear them, and in that case llSitTarget isn't going to help you.  (I've never heard of "positioning sets", but it might be the llSitTarget-adjusting tools that Innula describes, I'm not sure.)

If that's correct, you're on the right path with focusing on the Z-offset of the animation.  The easy solution is to use a sit animation that, used by itself, already fits the chair when worn. Well, that's "easy" if you happen to have such an animation, or if you're making the animations yourself. If not, you can overlay another, high priority animation that does nothing but adjust the Z-offset of the avatar, and play it along with the sitting anim. (This also makes it possible to use a different offset anim to fit different avatar shapes -- but of course it's more complicated.)

Anyway, one script that already does this is OpenCollar. It may be that you can re-purpose the height-adjusting animations inside the collar for your needs.

[Tricky Daines]

Thank you guys.

 

Nobody will be sitting on it rezzed, it will be wearable ONLY.

I am wondering if animations are per set to height when made.

difference in height between say a camp stool and a bar stool for instance requires the av to be about twice as high off the ground.

[Innula Zenovka]

Sorry, I didn't properly understand the first time.

Yes, animations have a built-in vertical offset, which is set by the animator and can't directly be altered in-world.

If the animation is played when you're sitting on something, then it's easy to compensate for the built-in offsets by adjusting the sit target, with llSitTarget.   But if it's being played from something you are wearing, then it's far more difficult -- basically, as Qie suggests, you need to use OpenCollar's method, which is essentially to play a second animation, on top of the first one, that does nothing but alter your z offset from the ground.

Third-party viewers, at least those that have RLV, allow you to adjust your offset from within the viewer, too.   But that has to be done by the person using the TPV.

 

 

[Qie Niangao]

I played with this a little bit today, prompted by another thread on a different forum, and I now think the approach of overlaying a Z-offset animation on top of a pre-made sit anim is unlikely to work very well.

First, there's the problem of animation priorities.  The OpenCollar Z-offset anims are all priority 3, but the vast majority of sit anims are priority 4.*  That could be overcome by making your own Z-offset anims (they're easy to make with a text editor -- no anim program required) and uploading them at priority 4, so this priority problem by itself is not fatal to this approach.

But there's another, more critical problem: Retaining the avatar "tilt" when the Z-offset anim is played. I noticed that those OpenCollar anims seem to make the avatar pitch forward when played on top of most (but not all) sit anims. What I think is going on is that those sit anims tilt the avatar core toward the back (rotated on the avatar's Y axis), then compensate by rotating the body parts forward relative to the core.  Then, when the Z-offset anims are played on top, they force the rotation back to vertical, revealing the sit anim's bent-forward pose.

This is all just a guess -- and I haven't the faintest idea why sit-animators would do this with their poses, so maybe it's all something else entirely. If it's correct, then theoretically one could have a whole range of Z-offset anims that work for different core rotations, but that would be a massive undertaking. (And I even found one anim that appeared to be rotated on the avatar's X-axis, too.)

Even more speculative: I'm guessing that TPVs can change the avatar's Z-offset without zeroing-out the avatar rotation; AFAIK, an animation has to do both at the same time.

____

*One might wonder why so many sit anims are priority 4. My hunch is that it's to get them to play over the default sit animation, which is priority 4. And the default sit animation is looped, so it's non-trivial to get it to stop playing, using llStopAnimation(). That requires playing a one-frame non-looped animation immediately after the llStopAnimation("sit") call. It appears to me that most sit-related and AO scripts don't do that, and thus the custom sit animations are made with priority 4 in order to be seen when played on top of default "sit".)

 

[Tricky Daines]

Many thanks guys and gals.

One good example is item 255070 on marketplace, the pose/animation is fairly high up. Also item 143737