46
116
10
MMD Tutorial: Outside Parent Function
4.9K Views|3 Today
© 2014 - 2019 Trackdancer
An explanation of a new feature introduced with MMD 9.10 that allows two or more articulated models to be linked.

A more comprehensive tutorial on how to use the OP function in an animation can be found here: learnmmd.com/http:/learnmmd.co…
Image size
909x11375px 6.59 MB
anonymous's avatar
Join the community to add your comment. Already a deviant? Sign In
Comments (42)
zeroz52's avatar
For whatever reason I can do all of this and properly save the motion, but when I load it up none of the information in the OP got saved.  Keep in mind the OP frame got saved, but none of the paired bones got recorded.

What am I missing or does this only work if you save it in a PMM?  I've even tried putting the object in the same PMX file as a morph and again works fine in the motion, but when I save and reload (the OP nodes did get saved) but none of the OP bones are paired.

Any help?
Reply  ·  
Trackdancer's avatar
Trackdancer|Hobbyist Digital Artist
Did you OP Register the changes?

Check on the Frames Display GUI to confirm that your changes are indeed recorded.
Reply  ·  
zeroz52's avatar
I believe I did OP register.  I clicked that button and in the frames display it logged the frame as it would for any other bone and the animation works just fine when I play it.  The only issue is it doesn't when I save/reload.  In fact the weirdest thing is when I load the save, the OP is registered on the frames display... just there isn't any information there, looks just like it does when you click OP for the first time.

I'm entirely self taught (which I think we all are) so I'm wondering if its a simple setting I didn't select or a button I didn't click.  For saving it you just set up the OP and click OP Register, then when saving you just include that in with the select all bone, facial, display/IK/OP and save and you're good right?  Anything I'm missing or anyone have a simple motion I can DL which has an OP in it that I can check?
Reply  ·  
Trackdancer's avatar
Trackdancer|Hobbyist Digital Artist
Comment Featured By Owner
OK, just tested this to make sure I am giving you the right info. For the record this works and the tutorial is correct.

This is how it works:

1. For still picture making: Just press the OP Register button
2. For animation making: Click both the OP Register as well as the Frame Register button

Once the Frame register button is pressed, it will populate the fields and this serves that the data is in memory. After this save your animation as usual.
Reply  ·  
Ikran's avatar
Thanks Trackdancer. But when I change frames to grab or release object, the object just appears in another place (it still moves along the selected bone) is anyone else having this problem?
Reply  ·  
Trackdancer's avatar
Trackdancer|Hobbyist Digital Artist
You need to release the object and register its position at the point of release or you will get the symptoms described.
Reply  ·  
Cartoondude135's avatar
Where can I DL that tommy gun in this tutorial pic? That's exactly what I'm looking for!
Reply  ·  
Holy-Ra's avatar
Holy-Ra|Hobbyist General Artist
can you give me a quick explanation cause when i zoom in, it goes all blury
Reply  ·  
Nintendraw's avatar
Nintendraw|Hobbyist Digital Artist
Awright, now I can make sweet Fire Emblem dracoknight pics like this one! Thank you! 8D fav.me/d8rdgcg
Reply  ·  
Trackdancer's avatar
Trackdancer|Hobbyist Digital Artist
YW :)
Reply  ·  
bulldoozer88's avatar
bulldoozer88|Hobbyist General Artist
Hello, just checked your tutorial :S i want to attach one model's hand to another's hip, (i wanna do that with 5 models so they kinda make a barrier :P more or less like this 24.media.tumblr.com/tumblr_m51…

but when i attach the "hip" bone to the other char's hand bone it just does not work... what could i have done wrong? :S
Reply  ·  
Trackdancer's avatar
Trackdancer|Hobbyist Digital Artist
Your link's no good, but in general, you need to be careful when attaching humanoid models to other humanoid models. The function is really designed to be used for animated models to hold or be attached to inanimate objects:

Example:

Driver to a car
Singer holding microphone

But still it's just a function so I don't see why you're having problems getting one model's hand bone associated to another model's hip bones. It's possible that you've misread the interface options and have tried to create a recursive link but lacking more information I can't really tell you what the issue you're having is.
Reply  ·  
ValeriaOnePiece's avatar
ValeriaOnePiece|Student General Artist
One question: Can I attach a stand microphone to Miku's hand and attach the microphone to the axis?
Reply  ·  
Trackdancer's avatar
Trackdancer|Hobbyist Digital Artist
If they (all 3) are separate models. But if the mic/stand model allows it I believe you can. Have to try it myself to see if it works, but the standard solution is that Miku, the stand and the microphone are 3 independent entities.
Reply  ·  
sky-commander's avatar
sky-commander|Hobbyist Digital Artist
actually this is just what i was looking for, so ignore my other comment! XD sorry.
Reply  ·  
Trackdancer's avatar
Trackdancer|Hobbyist Digital Artist
Read but 'ignored' per your instructions. ;)
Reply  ·  
sky-commander's avatar
sky-commander|Hobbyist Digital Artist
thanks! XD
Reply  ·  
tao63's avatar
In other words, I can attach Kaito to Miku's arm? Boy I always wanted to use a Kaito as a weapon

Anyways this is neat! I'm always intimidated by the newer interface since I've been using 7.39 for two years so I'm so attached to it and the newer versions didn't seem to have any new useful functions for animations so I didn't really bother...Until this one!
Reply  ·  
Trackdancer's avatar
Trackdancer|Hobbyist Digital Artist
You should consider upgrading to 9.10; especially since you do a lot of motion development work. It has some really nice new tools to aid in that endeavor, this being one of them. It also renders better than the older versions, but that observation is subjective. From my viewpoint, I feel that 9.10 is far superior than 7.39 in many ways. So much so that I no longer keep previous versions on my PC.

Yes you can use this feature to attach Kaito to Miku. A more serious application would be for a mother carrying a child for example. Or A mother pushing a stroller with an infant in it and all three being separate models (which has its advantages).
Reply  ·  
tao63's avatar
Oh well I guess I'm going to miss the old simplistic design. I just need to get used to it

If only this existed (or found out about this earlier) I didn't need to struggle with this animation tao63.deviantart.com/art/Neko-… and made more complex movements. Either way this is really a huge step on MMD animations and I can think a lot of crazy things just with this function alone
Reply  ·  
Trackdancer's avatar
Trackdancer|Hobbyist Digital Artist
Yep, I remember that really nice duo animation and you're correct. With this new feature you just make the chibi Miku model the child of the Miku model and basically you're done. No need for the tons of fine adjustments every time the models move.
Reply  ·  
BloodyKylie's avatar
Oh, I made a similar tutorial somewhen earlier:)
fav.me/d7ghrvx
Reply  ·  
Trackdancer's avatar
Trackdancer|Hobbyist Digital Artist
That you did. :)
Reply  ·  
anonymous's avatar
Join the community to add your comment. Already a deviant? Sign In
©2019 DeviantArt
All Rights reserved