2D Player Movement In Unity

Learn how to move and jump in Unity!
Source code: gist.github.com/bendux/5fab0c...
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By the Fireplace by TrackTribe
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[@ErraticPulse]

Fun Fact, if u look at some of the areas on the script window you will notice that the language is in german

[@dumsparaside]

yes I found out

[@guyinaraincoat4292]

This tutorial was very helpful by showing the whole process of making the script that made the character move, Thank you!

[@fluffystuff]

as a complete beginner. I did not understand this video very well but after a few weeks of messing around in unity and i can finally understand what is in this video

[@Externium]

Yeah what in the world is going on here ._.

[@Skitozzz]

@@Externium :)

[@deilruchi]

If your character is moving left and right but doesn't jump after finishing tutorial you might have missed the point where he moves Ground Check object early in the video closer to players feet and ground. 🎉

[@joshpreston4957]

Been working on this issue for literally weeks, bless you wise internet stranger!

[@deilruchi]

@@joshpreston4957 Glad it helped you, because it took me a while as well.

[@mariazia221]

where

[@deilruchi]

@@mariazia221 kzbin.info/www/bejne/gWLbi2CorsiMj5o

[@Garfield_Minecraft]

OMG thank you god it's been 3 hours just sitting here what went wrong

[@enderpigerdragon3589]

Thanks for the awesome 2D movement in Unity tutorial! Super helpful! 👍

[@schauerv]

God tier tutorial, finally something that is short and works great instead of an 18 min video that bugs out!

[@Skitozzz]

Fr fr

[@historyjunior]

This is an amazing tutorial! Thank you so much, I really loved this!

[@monkeypwners]

Very nice video, easy to follow! I just feel like you go over some stuff without explanation, which can make it difficult to understand why we do what we do, like Collision Detection, Sleeping mode and interpolate. I have no idea what it means, but I just do as you say and it works :) Great video overall tho! Big props!

[@JustSplatoonGameplay]

Hey! Just wondering, if we want to animate, what boolean or Float should i use for the transition?

[@mangmoommoommoom2000]

Yeah bro I was about to ask tha’

[@nagisa1578]

Man thx, did know / thought you cloud just change the velocity in script. Makes everything soooo much easyer and I dont have to fiddle around with AddForce etc. Thank you again man.

[@FireGloves]

If anyone's wondering why they can't jump, the "jump" key is set to space by default. To change it to something else, here's the code. if (Input.GetKeyDown(KeyCode.UpArrow) && IsGrounded()) { rb.velocity = new Vector2(rb.velocity.x, jumpingPower); } if (Input.GetKeyUp(KeyCode.UpArrow) && rb.velocity.y > 0f) { rb.velocity = new Vector2(rb.velocity.x, rb.velocity.y * 0.5f); }

[@Bigblackhawk123]

It doesn’t work even if I press space though 🫤

[@dalegacy2877]

@@Bigblackhawk123You definitely done something wrong then. I had the same issue until I linked all the objects. Try watching the video multiple times to understand what is actually going on rather than saying it doesn't work. :)

[@zanahtile6276]

Check if your Ground Check is actually "grounded". If you create it first, it places the object in the middle of the player, this causes it to never touch ground. And results in failing the ground check and blocking you from jumping. Move it lower on the player.@@Bigblackhawk123

[@swiniapierdek]

omg thank you I haven't knew that.

[@TheGreyCat1026]

that was the problem, thanks!@@zanahtile6276

[@polyhedrainteractive9663]

This is incredible, I coded for a while but couldn't get past the basics will watch more

[@The_Gronne]

This is probably the best programming tutorial I've ever seen. Extremely easy and to the point. And for someone who's done this multiple times in the past, but simply don't want to type it all out again, linking the source code makes everything so much easier.

[@notwasnttaken]

Mee too, i give it 100/100!

[@LilCouve]

Thank you, this was my first time using C# and this really helped me!

[@lennystudios3.14]

Love it, I personally like adding a Lerp function for some smoother acceleration and floatier physics, but that’s just my prefrance

[@yugnatata]

Thank you! I spent over 10 hours trying to do this and you showed me how to in 5 minutes, it's perfect! Just had to be a little careful as you didn't say out loud everything you were saying, but it's otherwise an amazing video, and still up to date! Thanks again!

[@Skylar.H93]

Amazing, I was able to figure it out from the video with only like 2 errors that were extremely easy to solve. Superb video! Now I just gotta figure out how to make magic fist attacks with effects, determine a combo system, and design and figure out how to link side profiles to the player sprite with walking animations.

[@bendux]

I'm glad I could help. Good luck!

[@LucaThePupineer]

HOW THIS FEELS IMPOSSIBLE

[@lemason5981]

that ground checking system is simplistic brilliance, I was stuck for hours trying to think of that and in this moment i am hoping that you're a wizard and it's not just some super simplistic thing everyone has been doing for ages except me

[@bendux]

Haha, I'm definitely not a wizard.

[@NewSunnahAcquired]

@@bendux thats exactly what a wizard would say

[@yumura137]

very simple yet satisfying and fun movement, straight to the point video, simply one of best on youtbe

[@francheeze]

Simple, quick & elegant. Nice!

[@amburdo6206]

Thanks for the great video. I wanted to ask about one thing I'm quite confused about. It seems that you didn't program any horizontal movement keys that need to be pressed down to move, yet you still are able to move. The only key you referenced in the script was jump. How is that possible?

[@bendux]

Edit > Project Settings > Input Manager

[@amburdo6206]

@@bendux Thanks a lot!

[@lilili765]

​@@benduxwhat do i do in inputmanager

[@matsu4721]

Thanks for this awesome smooth moving video, but can you do 2d enemy ui or shooting?

[@bendux]

I've added it to my list. Thank you for the suggestion!

[@ZephyrAnimationss]

@@bendux YEsssssss exactly what i wanted thanks(i want to make a shooter game cuz im new)

[@Tapov_]

Thanks for the tutorial! I'm a beginner and this helps alot!

[@JohnKirk-eb6nk]

I have watched tons of tutorials, best one yet

[@W5AKC]

Very nice and simple.

[@mitchelllockyer7541]

bippity boopity your code is now my property

[@vrsuhfx]

Hey! Quick question, how exactly would i make the run/walk a method if possible? Just so that I have a place to add in my audio, dust particles, etc. Cuz I'm new to this whole thing haha

[@bendux]

The answer to your question goes beyond the scope of a KZbin comment, but I'd still like to help you. Join our Discord server, and let's solve your problem together!

[@Jamal38852]

You literally saved me by making this video, earned a sub

[@its_a_gamer5279]

For everyone that struggles with the player falling through the ground, Make sure that your ground is not imported from a file but made in the 'Hierarchy'. (if its not imported its grey in the hierarchy otherwise its blue) Good luck!

[@bendux]

Thank you for sharing!

[@its_a_gamer5279]

@@bendux np!

[@wogs2k]

I did this and it still doesn't work

[@bendux]

@@wogs2k Join our Discord server, and let's solve your problem together!

[@sirnoodle2004]

@@wogs2k Also make sure that on both the BoxCollider2D of the player and the platforms, the box "Is Trigger" is not ticked

[@slayerghande7969]

Yo, great work here 👏. Don't ever stop and you will be the new brackeys

[@eshaanb2362]

Thank you so much, this tutorial was very helpful!

[@BILGI_PASA]

Thank you bendux. The video helped me so much.

[@alexwellman6605]

I have a problem with the movement, I added the no friction material to two objects, but after they collide, they start getting stuck on the floor, even after moving and jumping The floor uses tilemap colliders, if that helps Edit: probably solved, I used a composite collider too

[@bendux]

Add a Composite Collider 2D component to your tilemap.

[@alexwellman6605]

@@bendux thank you so much

[@cheezeburger7716]

Very nice tutorial, one thing that I noticed, or if I may have missed, however, is that when I go to jump, the player doesn't have a limit to how many times they can jump in the air. Is there something that I would need to type in to fix that? I noticed that wasn't established in the video, but if anyone has an idea of how to put that in it would mean a lot. I'm a beginner at coding myself, so I'm not too big on this kind of stuff.

[@bendux]

Would you like to show me your code on Discord?

[@cheezeburger7716]

@@bendux Oh, thank you. But I actually managed to figure it out from another source. I appreciate the offer though. And what all you had shown here in the video.

[@bendux]

@@cheezeburger7716 I'm glad you were able to fix it.

[@ab7299]

@@cheezeburger7716 can you tell me how you fixed it? i want to fix it too

[@aniime4006]

@@cheezeburger7716 can you tell me how you fixed it? i want to fix it too

[@foo3268]

underrated channel, hopefully unity notices you someday

[@potato_legend127]

Thank you for this video. It helped me a lot!!!

[@feddyfadbear7985]

hey, great video, everything is working fine but im jumping WAY too high, how can i decrease the jump power?

[@bendux]

Decrease the jumping power at the top of the script.

[@BHArv3y]

you can change the value in the script from "private float jumpingPower" to "public float jumpingPower" and this will allow you to directly adjust the power in unity rather than opening the script! :D good luck!

[@frogwav]

You explained this well. also it works. thanks!

[@gameormusic2360]

bro is definitely not a beginner, Very helpful video and thank you

[@KenB1206]

thank you so much, sir bendux! it help quite significantly

[@Nintendostar02]

When you'll make a video about how do object follow the player (like Mario, luigi and paper mario in Mario and luigi paper jam), i'll be very happy. Great video, i resolved all my problem with 2d player movement

[@bendux]

I've added it to my list. Thank you for the suggestion!

[@krzaczastyyt6547]

Your tutorials are the best i gona make a game with those

[@markotafa]

I like people that actually put code in the despcription :)

[@artofarii]

Nicely Explained. Thank you so much!

[@K9Arrzee]

Here is the script for those who need it using System.Collections; using System.Collections.Generic; using UnityEngine; public class PlayerMovement : MonoBehaviour { private float horizontal; private float speed = 0f; private float jumpingPower = 16f; private bool isFacingRight = true; [SerializeField] private Rigidbody2D rb; [SerializeField] private Transform groundCheck; [SerializeField] private LayerMask groundLayer; // Start is called before the first frame update void Start() { } // Update is called once per frame void Update() { horizontal = Input.GetAxisRaw("Horizontal"); if (Input.GetButtonDown("Jump") && IsGrounded()) { rb.velocity = new Vector2(rb.velocity.x, jumpingPower); } if (Input.GetButtonUp("Jump") && rb.velocity.y > 0f) { rb.velocity = new Vector2(rb.velocity.x, rb.velocity.y * 0.5f); } Flip(); } private void FixedUpdate() { rb.velocity = new Vector2(horizontal * speed, rb.velocity.y); } private bool IsGrounded() { return Physics2D.OverlapCircle(groundCheck.position, 0.2f, groundLayer); } private void Flip() { if ((isFacingRight && horizontal < 0f) || (!isFacingRight && horizontal > 0f)) { isFacingRight = !isFacingRight; Vector3 localScale = transform.localScale; localScale.x *= -1f; transform.localScale = localScale; } } }

[@wizard7317]

yo, my serialized fields arent showing up in my unity project and i was wondering if you could help

[@noona7701]

@@wizard7317 did u save the script in vs before going back to unity?

[@furyz0339]

this script gives me no movements :c i turn left and right but cannot move

[@noona7701]

@@furyz0339 you have to change the speed in vscode to 8 (in the comment it is set to 0)

[@furyz0339]

thank youuu @@noona7701

[@EmirDuman1]

i can't jump

[@finngrainger349]

neither, left and right works just no jump

[@wayvoedorado71]

have any of you found a solution yet? It looks like it's a common problem.

[@finngrainger349]

yes, my problem might be different to yours but I solved it by moving the 'ground check' to the position of the bottom of the player as I forgot to move it as said at 1:17@@wayvoedorado71

[@wayvoedorado71]

@@finngrainger349 that wasn't my problem, but you encouraged me to look into it and my problem was that I forgot to change the platform layer to ground so thank you

[@bendux]

You probably skipped one or two important steps in the tutorial.

[@r.ssolanki4841]

Very well explained, thanks a lot!!

[@DevNoob]

Always good videos! 1k subs let's go!

[@RichardBarnes0]

The old input system is not worth using anymore.

[@lilDrizzyyy]

Yes it is stfu

[@VonMoosHarrison]

Literaly the most difficult to understand tutorial

[@Think_Stream]

thanks a lot bro i went to many videos just for this even brackys tutorial didnt work and i tried this love you bro

[@iAmStanee]

Brackys tutorial is where all the souls go😂😂

[@c0rse198]

After 3 hours of attempting to figure out why I wasn't able to jump, I found that you need to assign your keys to the "Jump" input in input settings. While horizontal is pre-set, jump is left blank and this left me absolutely baffled until I figured it out.

[@debramciver307]

HELP PLEASE

[@everything-editz785]

Best unity tutorial i havrme ever seen 10/10

[@travisc8406]

can we just appreciate that he is still responding to comments! you're awesome!

[@carlosalbertobatistacruz]

Nice tutorial, the SpriteRenderer Component can also be used, just get the flipX (bool) attribute, instead of using localScale -1.

[@xsool-yl7us]

this help out a ton thanks man

[@atauygur8104]

I understand that if the movement button is pressed down continuously there will be no errors, but doesn't this code have a possibility to miss input when we just pressed for a small time? Because, there is nothing to prevent "horizontal" variable to be updated multiple times between two consecutive "FixedUpdates".

[@dmitriyleonov6977]

Отлично. Я делал подобный урок от другого автора. Персонаж дёргался. А тут всё движется плавно и код выполнен здорово компактно. Настройки физического тела показал как настроить . Спасибо за урок

[@chrono9503]

is it possible to assign the properties of the "jump" button to a ui button? I want this code to work with my mobile game

[@beepboop2851]

Btw if u are having problems with the rub, ground check and ground layer not appearing then just copy and paste the source code in the description because I had followed all the steps and it wasn’t working but when I copied it the errors got fixed

[@bendux]

The source code on GitHub is the same as in the video.

[@antoniosalazar9505]

Thanks, I was just looking for this.

[@dennisestepro]

Hey! I am wondering how can I stop the player from moving when he hits the edge of the screen? If I just add an if to check the transform.position.x is lower or higher than the value of the edge of the screen, the player just keeps on going without me touching any buttons. Any opinions?

[@bendux]

You could create an empty game object and add a Box Collider 2D component to it.

[@shinsane1558]

Hey! i got a problem, its saying this in the console: Assets\PlayerMovement.cs(13,30): error CS0246: The type or namespace name 'RigidBody2D' could not be found (are you missing a using directive or an assembly reference?)

[@bendux]

Try Rigidbody2D instead of RigidBody2D.

[@hellopeople2395]

thank you just curious why does rb.velocity = new Vector2(horizontal * speed, rb.velocity.y); have to be in fixed update

[@loawkkx]

With this configuration, do you know how I can affect the velocity in another way because it is defined at each frame? I can't affect the velocity in any other script at all

[@bendux]

The answer to your question goes beyond the scope of a KZbin comment, but I'd still like to help you. Join our Discord server, and let's solve your problem together!

[@tunahanyilmazdev]

Great as always!

[@Prod_Joel-beats]

What buttons do you move left and right on? I can jump but idk how to love left and right

[@bendux]

Edit > Project Settings > Input Manager

[@ukasz4848]

Hi, would't this solution allow jumping mid-air after falling from a platform?

[@kidthelett]

Beautiful. Kinda funny I thought the jump didn't work cause i was pressing w or the up button, but then i realized it was space

[@BarrowWight]

Which button input is used to jump? I know this is a dumb question but I followed the code exactly and tried all buttons on my keyboard but not triggered any sort of jumping action.

[@bendux]

Did you position the ground check at your player's feet?

[@BarrowWight]

Hadn't checked that. thanks for the advice :)

[@felixkostur723]

thx this was really useful and it works for me

[@Nexorix_]

Am a noob in c sharp and it worked intantly Thanks man !

[@mr.animation3588]

how do i know what the exect size of the square you put on the "sprite renderer"?

[@bendux]

docs.unity3d.com/Manual/SpriteCreator.html

[@Bashi_boi]

Really helpful tutorial thanks :)

[@smr-moon]

Hi! How do we change the movement keys? The default is that Jump is the space, and sideway movements are A-D / R-L Arrow... I want to manipulate this. Thanks

[@bendux]

Edit > Project Settings > Input Manager

[@smr-moon]

Found it! Thanks! Great video :D

[@-._122]

@bendux THIS IS THE BEST TUTORIAL EVER!!! I CAN MOVE AND JUMP btw you just earned a sub

[@bendux]

Thank you!

[@-._122]

@@bendux no problem

[@dkoorse]

I have a problem. when my lil guy goes on a slope he cant jump. only on top of it. edit: i used a circle collider 2d, but now when im walking left on the slope and i turn right he does a lil jump. why??? Can u mr. bendux help me?

[@Hollowdude15]

Unity is so cool and nice video man :]

[@dr.w2800]

When i try to open the player mouvement script, it propose me to go into note or opera etc like if it was just a text file, it dosent open it, anyone know how to fix it ? Edit : I installed Visual studio it works fine now

[@orionsayshi5037]

I'm wanting to lock the position of the camera to the player as it moves. When I try and do so it seems like something is constantly flipping and causing the camera to shake back and forth. Is there a way to prevent this?

[@bendux]

We have a solution for that on our Discord server. Feel free to join!

[@roundfuzball88]

thank you for this tutorial but i keep on getting one error when i add the movement can you tell me how to fix this? the error is "Assets\CharacterController.cs(17,5): error CS8803: Top-level statements must precede namespace and type declarations."

[@bendux]

There is a link to the source code in the description.

[@AyahA-ok1gd]

hi, so I used a different script for making my player move because I wanted two different players who used different controls, but when I tried to follow your script to make the player flip, it won't work. the most that I got to happen was when I play the game, the player immediately flips to the left, but doesn't flip anymore after. Do you have any idea of why this could happen?

[@bendux]

Would you like to show me your code on Discord?

[@Mooshie318]

How do I increase the gravity to make the player jump/fall faster? Also sometimes my player gets stuck to the ground and I can't really move until I jump, how do I fix that?

[@bendux]

Increase the gravity scale of your player's Rigidbody 2D component. If you have a tilemap in your scene, add a Composite Collider 2D component to it.

[@baovirus2004]

every thing works, but when i add animation, my character can't move, can you help me

[@RelaxReisen]

Danke, hat problemlos geklappt!

[@eylul2140]

Your tutorial is great ♥

[@colinobrien1278]

Love this Tutorial! but is there a way to change the keys that control movement? I want to change the space button to the W key to jump.

[@bendux]

Edit > Project Settings > Input Manager

[@colinobrien1278]

@@bendux Thanks you so much!

[@Hyper_alexa]

that is helping me a lot man tnx

[@woslake7576]

Thanks !! I love your video.

[@Twelvyshandle]

There is something im having a problem with. i did not set up the input for "jump" when i changed the "jump" to "space" i needed an input system for it so uuhh help?

[@bendux]

Edit > Project Settings > Input Manager

[@DeApple_king]

for some reason when i press play i get stuck to the ground even tho i added 0 friction and i cant move can u help me with that??

[@bendux]

If you have a tilemap in your scene, add a Composite Collider 2D component to it.

[@Esteban_Santos]

Hi! great tutorial! i cant get my jump falloff to work I mean jumping least when just tapping the button, can it be due to the scale of my objects?

[@bendux]

Would you like to show me your code on Discord?

[@KrixerVR]

This helped me alot and I even somehow got my player to infinite jump like flappy bird. Definitally a win

[@bendux]

If you want to get rid of this behavior in the future, make sure that your player and the ground are not on the same layer.

[@KrixerVR]

@@bendux Thx man, oh and btw I subbed to you for your awesome Unity tips!!

[@bendux]

@@KrixerVR I appreciate it. Thank you!

[@user-ef8yw9mq8p]

Hey! Nice video =) But I can't using rb.velocity moving aproach with moving platforms... Player is sliding from the moving platform =( How I can fix it? transfom.parent and ph material with friction is doesn't work becouse velocity is changing directly in rb.

[@AreHorsesReal]

Slight issue with something, not entirely sure why but moving left/right causes the Y value on the rigidbody's velocity to also go up, even though you're not moving along the Y axis. This messes with some jump/falling animations I have, and I can't seem to figure out why the y value is anything but zero when I move left or right on flat ground.

[@diamondfiremc2514]

make sure your platform that you made is flat, if it is 1 pixel higher in one spot it could do that, if not then I have no idea lol

[@AreHorsesReal]

@@diamondfiremc2514 I got it figured out, it was an issue with the composite collider on a tilemap causing it to be set extremely close to zero like 4.82629e-8 or something. Thanks for the fast response tho

[@diamondfiremc2514]

@@AreHorsesReal never considered that but now that you say it, that explains everything lol, no problem as well, just happened to be in the right place at the right time

[@Clyret0]

it works very well but I can't add an animated idle model to it because when the boxcollider comes into contact with the ground, the model goes crazy and falls left and right even sometimes upside down. i did a lot of research to fix this but I couldn't find any code that works correctly. can you help me?

[@bendux]

Freeze the rotation of your player's Rigidbody 2D component.

[@arekusandoru8543]

My VScode show an error at rb.velocity = new Vector2(horizontal * speed, rb.velocity); to be more specific is in Vector2. Anybody can help me?

[@bendux]

rb.velocity = new Vector2(horizontal * speed, rb.velocity.y);

[@chrono9503]

Its better to use a trigger colider instead of an empty object to check for grounded so you can change the width

[@bendux]

You can adjust the radius of the ground check.

[@Brian-pf6yb]

how do you assign the jump to the spacebar and the move keys to the right and left arrow keys?

[@bendux]

Edit > Project Settings > Input Manager

[@luke_faramelli]

I had this running perfectly, but when I change my sprite to one I created, it moves but won’t jump anymore. Is there any reason why?

[@bendux]

Did you position the ground check at your player's feet?

[@pringleguy]

Hey, I am having a difficult time with the gravity, when I press play, the player object just falls off screen, but if i set gravity to 0 it just floats, what do I do?

[@pringleguy]

I take back my statement, what I did wrong was that I forgot to give the platforms a box collider lol