Using Root Motion with a Character Controller (Unity Tutorial)

[@muinchishty2473]

All of the videos on this channel are extremely high quality videos. I am new in the games industry. Just been working around 3 years and I am amazed at the depth all the contents of this channel goes into. A big thank you for all the effort.

[@KetraGames]

Thanks so much for this comment, it means a lot 😊

[@Norman_jeBaits]

The biggest thing I struggle with is making a character controller which is wild considering how common it is in any game. After so many tutorials and other videos, this is the only one to get it right! Thank you so much for your videos!

[@ricardolicorish2019]

Hi Ketra, another excellent and helpful tutorial!!! The "OnAnimatorMove" explanation is what I was missing. Thanks for showing how it works to bridge the motion.

[@KetraGames]

Glad it was useful 😊

[@alperturan167]

I am mesmerised by this tutorial. There are tutorials within the tutorial. And even a tiny "glitch" is not skipped (@8:55 the issue with the rear foot slide). Thank you very much for all your effort 💝

[@dogo1604]

I saw lot of videos about 3d animaotion but your videos have lot of details and its very useful. Thanks for the videos.

[@thomasshaw4855]

wow, I just spent many hours googling, searching the forums and other tutorials for just this. Thank you, this was very clear and concise and helped me solve exactly the problem i had. Thats an ez subscribe and kofi from me. Cheers

[@KetraGames]

Thanks so much! Glad it was useful 😊

[@Baram-w6m]

I was having a problem while making a third person game, and I was able to fix it thanks to you. Thank you so much.

[@KetraGames]

Great, glad it was helpful 😊

[@CodemanDTG]

Thank you so much for making these videos, I wanted to use the Mixamo animations in my project and was really struggling to understand the animations and what settings needed to be adjusted. You are a lifesaver!

[@KetraGames]

Great to hear, glad you found it useful 😊

[@ChristianSasso]

I like this video a lot because it shows a variety of real world situations and how to address them correctly. Thank you.

[@KetraGames]

Great feedback, thank you 😊

[@waowao-n9f]

For anyone who had problems at 5:38 with no animations automatically adding, just go to the Blend Tree's inspector and add the motion manually like how it was done in the 11th video in this series!

[@adansmith6174]

I love your tutorials ❤

[@barax9462]

Thank you a lot you saved me a huge effort. My animation were resetting position after being played and this tutorial was the key

[@KetraGames]

Glad you found it useful 😊

[@halivudestevez2]

Wow! This is very complex, and essential tutorial! I need to learn this.

[@KetraGames]

👍😊

[@mrearlragnar3187]

Probably the best tuts I've come across on Unity and Rootmotion - I recommend making a Udemy course

[@KetraGames]

Thanks so much 😊

[@vrfxrealtime]

Thank you for Sharing!

[@KetraGames]

👍😊

[@Betruet]

Great job, well explained.

[@KetraGames]

Thanks for this comment 😊

[@МаксимЖмачинский-т1ю]

It's really helpful! Thanks a lot

[@KetraGames]

Good to hear. Thanks 😊

[@ligoex7596]

Excellent !!!

[@KetraGames]

Thank you 😊

[@YG-gq4zb]

Superb

[@KetraGames]

Thank you 😊

[@saigonpastry]

I love your tutorials!

[@KetraGames]

Thanks for this comment 😊

[@WatThaDeuce]

Thanks for the info! OnAnimatorMove is the link I was missing between using CharacterController and root motion.

[@KetraGames]

Glad it was useful 😊

[@UniteByHumanity]

Excellent

[@gamingmady.]

thank you

[@mr.phantomdx10669]

hi can you make a rigidbody third person controller but with animations plz script tutorial plz

[@fookustudios3279]

Nice tutorial. Can anyone suggest a way to rotate a character in place (not moving) using root motion and a navmeshagent. I've been struggling with this for days now and can't find any answers anywhere.

[@LuRybz]

Is there a way to combine root motion with navmeshes?

[@KetraGames]

Hi, yes you would do it in a similar way. So implement the OnAnimatorMove method and then change the velocity of the agent based on the animation movement. Something like this should work void OnAnimatorMove() { agent.velocity = animator.deltaPosition / Time.deltaTime; }

[@lyrion0815]

There is an issue at 0:35 in the "Sliding Down Slopes" tutorial, which I think has to do with root motion: The character runs against the steep slope and is blocked from running up, BUT the "run" animation keeps playing. Without root motion, the CharacterController would return velocity = 0 and the blend tree would go to "Idle". I'm pretty sure, you have a solution to this 🙂

[@3Dpolygon]

Awesome Tutorial on creating environment! Can you make a following video on adding buildings? Also, how do you use a character to test the gameplay?

[@KetraGames]

Thanks. I'll add buildings to the list to cover in a future video. Hopefully our 3D platformer playlist can help you get a character setup - kzbin.info/aero/PLx7AKmQhxJFaj0IcdjGJzIq5KwrIfB1m9 😊

[@Radek_M.]

When I am tapping the button to move forward my character x position is increasing and y position is deacrising so I am "going underground" and turning right all the time. How to fix this?

[@samanthastovell7870]

How do you create an animation in Blender that replicates the walk and run animations with the forward motion. Everything works except my characters not moving when I run/walk. They become stuck in one place

[@curtislow1676]

i have a first person controller capsule as my player, but when i enable root motion and animate physics, my player is stuck floating and isn't affected by gravity, but when i disable root motion, my player is unable to turn the camera left or right, is there something i can do to fix this?

[@Artistic_Game_Developer]

I have been following your whole playlist but now it's not working properly. My player glitches & stops in a wierd way!! All animations were running so smoothly before this but this root motion has messed things up. Please help me 😭😭😭

[@KetraGames]

Hi, did you manage to fix this? It could be the animations in the blend tree. Did you remove the idle animation from the blend tree and replace it with a slow walk? If you can't get it working, root motion isn't a must have. If it looked good without it then you can just carry on without it

[@KetraGames]

@@Artistic_Game_Developer Sorry to hear this 😥

[@reynoldbennedictgadmonxi-m3298]

i wanna ask something, if we delete the maximumspeed, then how the character can be walk/ move?? cause my character won't move after i delete the maximumspeed or did i missed something???

[@KetraGames]

Hi, the movement is now determined by the animation rather than the script. The walk and run animations have forward movement built in so when we play those animations it moves the character forward. If it's not working for you then check that the animations you are using have forward movement rather than being 'in place'. Also check that you have the Character Controller Move call in the OnAnimatorMove method. Hope that helps 😊

[@torchilicho]

@@KetraGames does this not work if you are using custom animations made in blender?

[@yusufilme]

Thank you so much. Great video. I have a question. If I add Rigidbody to my character with "apply root motion", it starts to fly. I cannot solve this problem. What is the problem? I want my character fall down, so I add it rigidbody. But while using root motion, it moves upward.

[@Hombredelverde]

This looks exactly what I've been looking to learn. Any chance we can get a revision using the New Input System?

[@KetraGames]

Hi, we're planning to do a video on how to upgrade to the new input system in the near future. We're also thinking of doing a full refresh of our videos using the new input system and URP, but that will take a while 😊

[@smbiplob9476]

can you cover it for mobile joystick please.

[@gamoe]

after I use the action, the character moves very fast, no longer following the original move, help me please, thanks you

[@kdawg717]

My character will not rotate for some reason and I can't figure out why. Also why are you constantly adding to the YSpeed over time?

[@vima9046]

Hello Ketra! Just discovered your channel! Pretty cool content! I have one curiosity, will you ever cover topic like animation in combat system in your videos?

[@KetraGames]

Hi, thanks. We have a list of content we want to cover in future and combat is definitely on there 😊

[@vima9046]

@@KetraGames i hope so! It would be superinteresting! Cant wait for it!

[@christopherfarrell-artist3557]

Thank you so much!!!...

[@KetraGames]

👍😊

[@swiatstdio5977]

Thanks so much for this tutorial! I was very confused when the Animator moved the Character Controller even though I controlled it with my movement script. You explained it completely However, I was wondering. Shouldn't we use Time.fixedDeltaTime in OnAnimatorMove method instead of deltaTime?

[@KetraGames]

Hi, you should be safe to always use delta time. Unity will actually set deltaTime to the value of fixedDeltaTime if it's running within Fixed Update. Hope that helps 😊

[@SavageXPlayz]

what if you cant change the character you are using to humanoid?

[@KetraGames]

Hi, you can use root motion on generic rigs. You need to set the Root node bone in the Rig section. Hope that helps 😊

[@OldDreamStudio]

thank you ... but how we can control jump?? ... how we can jump forward?

[@KetraGames]

Hi, it's often easier to not have the jump controlled by root motion. Take a look at this video where we show how to add an animated jump - kzbin.info/www/bejne/qXvZiKB8jriEfLs. Hope that helps 😊

[@larryp2206]

Hi Ketra - Could you explain why inside of OnAnimatorMove() that velocity is being set to animator.deltaposition? My confusion is that deltaposition has units of length and we are setting it to a velocity. How is this correct? Thanks in advance.

[@KetraGames]

Hi, perhaps the variable name 'velocity' was not the best choice. animator.deltaposition is a vector containing the position change in the animation that frame. We want to move the Character Controller this amount to keep it in sync with the animation. Maybe the variable should have been called positionChange instead? Hope that clears it up 😊

[@dkordy]

There is definitely a problem and I don't know how to solve it, can you help me? My character does everything it should and walking and running and jumping and everything is perfect but it seems to be slowed down how can I adjust the speed of the character with this script? or does the movement speed depend on the animation speed?

[@dkordy]

actualy its not slow down just movement is for me slow, i wuld like for my character to move faster and i m not able to do that becouse in script there is no speed enymore,so waht shuld i do?

[@KetraGames]

Hi, in the animator you can change the speed of the animations. Try changing the running animation speed to 1.5 or 2. Hope that helps 😊

[@CCLawhon]

I've followed ALL your tutorials! I love them all and have gotten everything to work, so far. I have one issue now. Everything is animated correctly and working well, except after I did the blend tree with idle as default, when the player is on a slope (idle, walking, or running), one foot is buried slightly in the terrain and the other foot is exactly on it. Or, one foot is on it and the other is floating very slightly above it. You said in another comment it might have to do with gravity. My Player (project) settings show -9.81 for both player and cloth. Any thoughts? I am using Mixamo character AJ. Any ideas on how to keep both feet on the ground?! Thank you so much! :) *big fan* Edit: I added player specific gravity multiplier (physics) as you suggested in some other comments. This helped the floaty jumps (my multiplier is set at 1.3), but his uphill side foot still squishes into the ground (as if it is mud) and his downhill side foot still lingers just above it. I messed with the capsule collider and skin size and all that, to no avail. I determined it's not his Y axis height, or his gravity, it's like his X/Z axis doesn't rotate with the terrain. I'm hoping it's simple like the setting for the Root Transform Position on the XZ axes...note this happens in idle, walk and run. When I set that position to center of mass he was waist high in ground. I also checked "foot IK" on all the animations hoping that would make a difference. It did not. Okay I've tried all I can think of!! Any thoughts/help/ideas would be greatly appreciated!!

[@Siriys7]

And now how to regulate the speed of walking and running? He moves very slowly...

[@iampinball3669]

I tried to rename the character model for doozy so it was easier to found and it literally broke everything, even after putting the name back. It keeps putting my character in some strange balled up position underneath the floor and I can’t fix it

[@KetraGames]

Hi, did you manage to fix this? I wasn't able to recreate this issue unfortunately.

[@neozoid7009]

Is there a method to change the speed of the player in root motion,??

[@KetraGames]

Hi, you can increase the speed on the animation in the animator. If you want it to go twice the speed then set the animation speed to 2. Hope that helps 😊

[@neozoid7009]

@@KetraGames thanks awesome. and i have one more question I am trying to blend a walk animation to run animation in a 2D blend tree when i move my controller joystick to lower than Half the distance i.e < 0.5 but when i move the joystick just a tiny little bit it didn't stop the value between < 0.5 it directly goes from 0 to 1 . please help . i want a value between 0 and 0.5

[@KetraGames]

Hi, it may be that you're normalizing the input vector. That will set the magnitude to 1

[@neozoid7009]

@@KetraGamesthanks 🙏 yes you are right I was normalising the input vectors . Again Thanks for the help .👍

[@KetraGames]

Glad you got it sorted 😊

[@rehanazeem1556]

Hi. I have been following all ur videos to make my project. But i am facing a problem which is that ny character is moving only in 1 place. I tried changing root motion option on the animator. However it says its handled by script. Could you help me please.

[@KetraGames]

Hi, sorry, what do you mean by moving in 1 place?

[@paquinho12]

I decided to try adding root motion to my character following all the steps and it's working well, but the problem is that the speed of the movement is really slow even when running, there's some setting in the animation maybe or in the code to change the final speed of the movement? Thanks!

[@KetraGames]

Hi, the speed of movement will be driven by the animation. If you want to go faster then you will need to increase the speed of the animation. You can do this by clicking on the State in the Animator Window. Then, in the Inspector there should be a field to set the speed. This will be set to 1 by default. Just increase this until you get the speed you want. This is a really good question and we'll look to do a quick follow up video to show how to do this. Hope this helps in the meantime 😊

[@paquinho12]

@@KetraGames Thanks for taking the time to answer! I sadly think the problem has to be with something more general and not related to the game itself, and it's the scale. My character is pretty small in comparison to the world he's moving in, and I'm realising that even with a fast animation the amount of distance he could travel with each step will still be low, due to the proportions. Think about an ant in real life, no matter how fast it moves the legs, I will not travel the whole garden in seconds :/

[@paquinho12]

For the moment i resolved it by multiplying the speed in the on animator change function, but the result is equal to not using the root motion in the first place (move doesn't sync with step)

[@SebastianErestal]

I have the same problem but this also makes the animation much faster. Which of course looks very weird. Isn't there any other way to solve this?@@KetraGames

[@KetraGames]

If you want the character to go faster but not make the animation go faster then you're better off not using root motion at all. Just move the character directly based on the player input. Hope that helps 😊

[@habibiemuhammad6203]

Managed to follow the tutorial till the end, and the animation is working but my character won't move just staying in place even though I am using the unticked "In Place" version

[@KetraGames]

Hi, I'm not sure. it might be worth putting a Debug.Log(velocity); in the OnAnimatorMove method to see what value you're getting for the velocity from the animation.

[@habibiemuhammad6203]

@@KetraGames Hello, I tried to debug the velocity, and the output was just (0, 0, 0) all the time unless when I jump. BTW, the Apply Root Motion property is replaced by "Handled by Script" when I use the OnAnimatorMove() and I did a search about this and they say when we use OnAnimatorMove() the Apply Root Motion has no effect when the script implements it

[@KetraGames]

It seems like the animation may not have any motion. If you select the animation in the Assets Panel you should be able to see the Average Velocity of the animation in the Inspector.

[@habibiemuhammad6203]

@@KetraGames these are the average velocity of idle, walking, and running animations respectively: (0.000, 0.000. 0.000), (0.000, 0.000, 0.015), (0.000, 0.000, 0.041)

[@habibiemuhammad6203]

@@KetraGames I also downloaded the ticked "in place" version of running animation, and the average velocity is (0.000, 0.000, 0.000)

[@laurens8069]

Great tutorial! I have one problem though. I used the exact same animations as you did, but when I stop walking, the player just slides left or right, causing a weird drift in direction. So when I keep tapping the forward key my character just slowly moves right (or left). Do you know how to fix this?

[@KetraGames]

Thanks. Sorry, I'm not sure. Are you using a Rigidbody or Character Controller?

[@laurens8069]

@@KetraGames Thanks for the quick response! I'm using the builtin CharacterController. I can maybe link a video demonstrating the issue?

[@KetraGames]

@@laurens8069 Thanks, that would be useful. Also, it might be worth double checking that the checkbox has been ticked for 'Root Transform Rotation - Bake into Pose'

[@laurens8069]

@@KetraGames Yes, I triple checked all the settings on the animations, so unless I'm actually blind (still possible I suppose 😂) I don't think that's the issue. Here's a link to the video: drive.google.com/file/d/14i7XOoiBKEqcd7fnhTHxWOXhy7UjB4Tv/view?usp=sharing You can see how the character slowly starts drifting to the right, without changing rotation

[@KetraGames]

@@laurens8069 If you go to the animation and press play on the preview, does it drift? If it does you should be able to adjust the root transform rotation offset so that it walks forwards. If you look at this screenshot you can see the arrow in the preview is pointing forwards along the grid line. In this case no offset is required but maybe it is in your case drive.google.com/file/d/1BdCLkJU7yy5mq5jx_N1nKVpm7rmoVCuY/view?usp=sharing

[@reynoldbennedictgadmonxi-m3298]

i wanna ask something again. how to control the walk speed, cause i think the character is walk to slow

[@KetraGames]

Hi, if you go to the Blend Tree on the Animator window, you can set the speed of the animations. At the moment the walk animation speed is set to 1. You can increase this value to increase the speed of the walk. Hope that helps 😊

[@qasimahamad5075]

Tutorial is great but, I watched the complete video just to listen to your voice I am not interested in the tutorial just wanna listen to your voice and watched two videos for that. you got such a lovely voice

[@KetraGames]

😂 Thanks 😊

[@JosephPlsDonate]

can you please make a, script that is just the animation! not with the movement!

[@carolina1293]

How do I make the main character walk the "walking" one and the shift the running one

[@KetraGames]

Hi, you could swap the logic round, so move at half speed if the shift button isn't held down. Something like this should work if (Input.GetKey(KeyCode.LeftShift) == false && Input.GetKey(KeyCode.RightShift) == false) { inputMagnitude /= 2; } Hope that helps 😊

[@robinpage2730]

For the life of me i cannot understand why unity insists on forcing devs to hard code character movement. You've got 6 axes of movement, 3 linear and 3 rotation, with velocity. Then you've got specific movements (walk, run, jump) that use specific directions. Then, map the inputs to those movements. Then assign the animations and set the blend trees. I fail to see why that can't be done through a simple graphical interface.

[@KDHD.12]

I can move when I jump but not when I try to walk.

[@KetraGames]

Hi, when walking it should be using Root Motion of the animation. Do your walking animations contain movement or are they just on the spot?

[@KDHD.12]

@@KetraGames I managed to fix this luckily, it was to do with my blend tree. Though my move speed is still very slow. I understand the speed is determined by the animation though I still do not understand how to increase this. I have spoken with the animator and they do not understand what I am asking for when I ask them to increase the base movement speed of the animation. Is there anyway I can make a hybrid code of the root motion and the original movement speed code? P.S All of your tutorials are an absolute god send and I cannot thank you enough for putting all of these together!

[@andrewchua6617]

Any one found the solution why my character stays in place even though the animation is working?? Edit: i tried putting Debug.Log(vel) on the OnAnimatorMove, but there's no thing shown in the console window. Can I still continue with the project without root motion?

[@KetraGames]

Hi, have you checked that Apply Root Motion is ticked in the animator?

[@andrewchua6617]

@@KetraGames yes already did. But still stays in place

[@KetraGames]

@@andrewchua6617 Thinking about it, if everything is setup correctly then you shouldn't be able to tick 'Apply Root Motion'. It should say 'Handled by Script'. Can you see that in the Inspector? If you can't get root motion working then it's not the end of the world. It's definitely not essential for a game and you should still be able to follow along the later videos for the most part

[@animemusic9546]

Ok , after doing everything right , my character still changes position in y axis , when it goes to a steep place and then comes back it position is still where the highest position was, i did that baking of position in in root motion , still its not working

[@KetraGames]

Hi, could you check that gravity is being applied to your character correctly. Baking the position will only stop the animation changing the position. If you move up a slope and then back again it will be gravity that needs to bring the character down again.

[@animemusic9546]

@@KetraGames hey thanks for replying , i solved the gravity problem...i wanna ask one more thing , my character is not following the camera rotation, I am using CineMachine free look camera...is there any way to use it ??

[@animemusic9546]

Nevermind I solved it , I was using Cinemachine transform in inspector instead of main camera

[@KetraGames]

@@animemusic9546 Sorry for the late reply. Maybe our video on the free look camera may help - kzbin.info/www/bejne/oJrcgI2YgLeZl7s

[@dkordy]

my character after i did it evrything the same moving in one place,animations working but character standing in one place!

[@KetraGames]

Hi, sorry, I'm not sure. Could you compare with the script here to see if there are any differences - dotnetfiddle.net/gBeb0M

[@drakenforge3798]

Try Disabling this if your not using your camera ==> movementDirection = Quaternion.AngleAxis(cameraTransform.rotation.eulerAngles.y, Vector3.up) * movementDirection;