Quaternion or Euler, understanding rotation in Blender
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- เผยแพร่เมื่อ 27 มิ.ย. 2024
- Don't know when to choose between Euler and Quaternion rotation in Blender?
Hopefully this will be of little help!
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00:00 intro
00:34 Orientation VS rotation
03:39 Euler rotation
05:32 Gimbal lock
10:15 choosing rotation order
11:10 Quaternions
13:50 Quaternions VS euler behavior
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The Quaternion bug (15:04)
The simplest way to fix this while in pose mode, go to the pose tab and select flip quats. (Default shortcut: Alt + F)
Hope that helps
Wow, that is a feature I never knew existed! Thank you Nats!
I've been scouring the web for a solution for hours. Thanks man, you really saved me!
Thanks man, you saved me!
Wowza! Was looking for it for a while - thank you - it works!
my hero!
one more shortcut to my brain-lib. lol
saw ur comment on a twitter post explaining this, was about to ask for detailed video on this issue. Here we are. You are a gem Pierrick!
It made me laugh cause I saw this too and was like YESSS!
WOW! This is a fantastic detailed explanation of rotation tools, and it explains why, in some cases, two rotation axis were doing the same thing in work I was doing. It was because of gimbal lock! It made me so salty! 😂
Thank you so very much for explaining this.
I hope you and you family had a wonderful New Year and I wish a great 2022 for all of us!
WOOOOOOOO!!!!!!!! 😃
Great explanations, thank you Pierrick !
This is awesome, had hair pulling sessions when I would rotate the wrist on the Z Axis a margin or so to fix an error but when playing the animation back, it would suddenly do a 360 on a completely different direction! Thanks for making it easier to understand!
Amazing video as always. Keep up the great job, and happy new year!!
i also was trying to understand this like in the ball animation i actually used the x euler rotation instead of the rotation rig and came out pretty well
Enfin une explication claire et concrète qui n'embrouille pas avec des formules de math complexes. Merci Pierrick !
So good! I really should have learnt this stuff by now! You have saved me so much future frustration
So... we meet again, rotation animation! My old nemesis!
This was very useful thank you!
Great video! Thank you so much. I bought your course! It's been amazing. :)
Great Video! Thanks!
Thanks for this video. Although the subject is still a bit complicated, I think I understand just a little better.
You can fix quaternion rotation problem shown at the end with flip squats. Can be found in the pose menu when in pose mode.
Good video. I like the trick of locking the middle axis for euler and the logic behind. Thank you again for the quality of your videos
Nice video, have a nice happy new year :)
I love you man✌️❤️ keep going
Great video thank you. Very excited for this series. I need to wrap my brain around quaternions and eulers. That way I know how to fight against that damn gimbal lock..
Was trying to do a body mechanic study that turned into a holy hell, so THATS gimbal lock study haha
I remember learning this Quaternion thing from Nathan Vegdahl 10 years ago and my brain exploded
Amazing 😍👌
Amazing you are.
I was following ur alive! Cours and was at the part 2 of chapter 8 when I decided to try to change my rotation axis for the arms from yzx euler to others to play around with what the other axis would do. But for some reason it has deformed my arms throughout the entire time line and now I have to redo every thing. I find blender such a hard product to like even though I know its capable of amazing things.
I hope I can buy a tutorial to complete the game from Blender to Unity. Looking forward to your tutorial.
Thanks for the vid! …… by the way, that Spider-Man model is amazing!
Oh mon dieu, merci beaucoup pour résoudre un problème que j'avais dans mes animations....
Please include subtitles
PLEASE SUGGEST GOOD COURSES FOR COMPREHENSIVE CG LIGHTING FOR CHARACTER, ENVIRONMENT, WHOLE FILM.
I once had a gamedev from unity ask y doesn't blender use quaternions under the hood while giving Euler values in UI to work with. Any thoughts?
Hi, could you please add subtitles to this video?
I want to learn, but my ears are bad. Without subtitles, I will have great difficulties in learning.
Thank you!!
merci Pierrick :) . Est-ce que tu sais si il existe une fonction (ou addon) pour changer de rotation order tout en gardant les orientations clés ? ( dans Maya il y a un plugin pour ça : ça recalcule de nouvelles clés de rotations pour garder les même orientations )
Jamais testé, 😅
Bonjour,
J'aimerais s'avoir si il est possible de modifier le mode de rotation sur une animation sans détruire cette dernière ? :)
What?!? I thought this was a new video. It's from last year!!!
Probably going to have to watch this again, but it's great to finally have this explained and demonstrated. Great idea about tracking an empty to illustrate what is happening.
I want your accent 🙏 it is the best accent ever!!!
Face pose library please🙏
THANK YOU
But how do you explain that, in quaternions, if you put an X and Y value, and not W, the object is rotated too. So it could not be explained as the W is the weight between orientations. In a way yes, but it seems not enough for me. I just begin to struggle with quaternions rotations, one I seem to understand something, another blowminding stuff just appears next.
after watching the video i still have no clue what im doing wrong. tried making a simple rotation along y axis and basically replicate 5:54 and everytime i try to rotate along x axis then play animation, it snaps back to previous x value and continues animation. trying to make angled fans more or less and am annoyed at the weeks i have been unable to get past. tried not animating at all since they need to be angled and final product seems absolutely horrible. anyone have any tips you cant get within a week of google search's, form browsing, etc? is the first time i am trying to animate something like this and don't even want to think of moving on to characters until after i figure out this "simple" issue.
pls make some animating tutorial 60 framerate and motion blur thx
What’s the point? Just change your frame rate and enable motion blur
Can I mix an Euler axis with a Quaternion?
You can key the combobox Itself. This way you can switch from one mode to another on the same object.
Hey people, I have a doubt:
At 10:20 Pierrick Picaut says that the first the sequence is the primary axis and the third is the secondary, but I just watched video on the same topic by Wayne Dixon from CG Cookie, and there he says the opposite, that the last in the sequence is the primary axis and the first is the secondary. Does anyone know which is right?
The link of the video is this here: th-cam.com/video/mcDHDfK2pXs/w-d-xo.html
Maybe a little late but just to clarify!!! The last one is THE MASTER. it's like if you had a parent chain
Example XYZ.
Z parent of Y, Y parent of X so...
Z master
X child
😢 i need CC (Subtitle)
I was here.
I've been wrangling keyframes for over 10 years professionally and this is all still a headache to me 😬
no subtitles =[
12:35 The W value is the cosine, and the X, Y and Z make up the sine, of half the rotation angle.
Are you sure about that?
Can’t find any documentation related to this. Also the Blender documentation gives different explanations.
And the X, Y, and Z define the rotation axis.
That half the rotation angle means a quaternion can representation rotations up to 720°. In particular, you can get smooth interpolation without jumping across the 360° point.
@@lawrencedoliveiro9104 thanks for your input 😃
where 'can i get that 3d model?
It's from my animation course
@@PierrickPicaut_P2DESIGN but is it sold anywhere?
@@BartholomewThouThird with the course alive. But it’s only for personal use and is copyrighted
@@PierrickPicaut_P2DESIGN aww
is it under some sorta company cause I'm not gonna sell it just wanna make a render it looks cool but nvm
@@BartholomewThouThird it’s mine.
You can use it for your personal project, make renders, share them on sm or your portfolio.
But you can’t sell pictures including it or redistribute the model 😉.
subtitles sir?
3rd to view 😁
OK. Well done everyone, you all just got smarter. Time for a drink!
it's oiler. :p
First to view
2406th
ස
The background music is disturbing to listen to. The subject is not easy.
Is that Euler swizzling and how it’s read, written in the documents anywhere, how did you find out that it reads it backward to how its written, man it’s just so dumb, like they expect everyone to know all this, you should write the Blender documents for them with amount of knowledge you have
It’s currently written in the documentation. It’s not dumb, it’s how computer solve it. It’s the order in the hierarchy
Euler xyz, x child of y child of z
In cg it’s very common subject and every software do their best approach. If your animation is going crazy now you know why. Interesting stuff here if you like geometry th-cam.com/video/zjMuIxRvygQ/w-d-xo.html
I regret that there are no subtitles
You too huh?
Playback speed 1.5