How To Highlight An Object With An Outline In Unreal Engine 5 (Tutorial)

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Hey guys, in today's video I'm going to be showing you how to highlight and object and give it an outline in Unreal Engine 5. This works great for X-Rays too!
NOTE: I forgot to mention this in the video, but I didn't come up with this originally. It has been within the community for years and no one really knows the true origin. However, I haven't seen a video on it in UE5 yet, so I thought I'd make one.
#UE5 #UnrealEngine5 #UE5Tutorial
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00:00 - Intro
00:07 - Overview
00:31 - Tutorial
16:23 - Final Overview
17:16 - Outro
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Thank you :)
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To access the project files and screenshots from the video, check out my Patreon above!
My Public Video List: trello.com/b/7vJgXzBm
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♫Outro Song♫
●Kronicle - Chill Noons

Опубликовано:

16 июн 2024

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Комментарии : 154

@Fit_and_Flair_ 2 года назад

Thank you so much for making these videos. You've made Unreal 5 so accessible. Your videos are great. You explain topics well, show how the code can be adapted to fit other scenarios and you do so with a very calm voice. Again, thank you so much. You've helped me so much!

@Goggalor1990 Год назад

For anyone that wants to highlight the enemy or an object when looking at it: go to your character and off of the Add Controller Yaw Input, get a "LineTraceForobjects" node. Then get a player camera manager node and from this get a forward vector and a camera location. Off of the forward vector get a multiply and enter something like 2500 for the X. Then off of the camera location get an add and connect the multiply to this to add the camera location and forward vector nodes. Hook up the camera location to the start of the line trace and the add to the end of the line trace. Off of object type, type "make array" and change the type to whatever you like. For me it was pawn. On the line trace, break the hit result and off of the hit actor cast to your enemy if that's what you're trying to highlight. From their set the custom depth stencil off of your mesh and you're done. Make sure to set your reference to your object on BeginPlay and in the Variables section of your character BP or it will give you an accessed none error. Thanks for the awesome tutorial Matt!

@k0ah371 Год назад

do you have the image of the blueprint for this? my english suck and I can't understand

@owenmurphy9728 Год назад

Doesnt work

@FiresAndFoxes 2 месяца назад

This is crazy confusing man

@FiresAndFoxes 2 месяца назад

doesn't work

@supercolleen1000 Год назад

Incredible tutorial !!! Really helped when no other tutorial would. Thanks so much

@MingHsiung 5 месяцев назад

Thanks for taking the time to make this tutorial! Exactly what i needed :)

@Stellarneer 2 года назад

Just a little tip for the tutorial: if you want to be able to change the highlight color in runtime, you can use an actor with post process component and place that in the level instead of post process volume

@alego54 Год назад

I know it's a year old but how are you changing the colour from within blueprints? I access my post process component but I can't seem to access the material from there

@geoffrey3668 2 года назад

Thank you for this tutorial! Always very useful!

@AminYabut 2 года назад

Thank you for mentioning the keyboard shortcuts you use, a lot of people don't.

@agustincocco5342 6 месяцев назад

Bro you are a truly life savier! i cant tell you the amount of things that i been working on thanks to you! keep it going! thank you!

@davidbolivarg 11 месяцев назад

This is exactly what I needed, thank you very much!

@yorentior3421 6 месяцев назад

As usual great videos with a great professional

@Asmund648 Год назад

For anyone doing this with the newest UE5 version, I think you have to enable "enable with stencil" under postprocessing in the projectsettings. That was disabled for me. It worked after enabling that :)

@andrakesh Год назад

i have a problem with ue5 the highlight material is always flickering. blinking.,how to change it ?

@rob_meade Год назад

@@andrakesh Project Settings - search for "Custom Depth" and then untick the option "Custom Depth with TemporalAA Jitter". That stops it flickering, but it will look less smooth (more jagged edges up close). Also, I found that the gizmos in the editor create that effect also, so pressing G to hide them all can be helpful. Note, I have also used the Stencils approach for this and didn't notice any flickering with that method. HTH :)

@andrakesh Год назад

@@rob_meade i'll do this and tell you later

@rob_meade Год назад

@andrakesh I also discovered later, that if you change the Materials' "Blendable Location" (its under the "Post Process Material" section) to "Before Tonemapping" this makes a much bigger improvement, and you can leave the "Custom Depth with TemporalAA Jitter" enabled.

@otheitheguy7348 Год назад

@@rob_meade This works extremely well thank you!

@thomasr9557 2 года назад

Great video and very helpful thanks

@118Mayo 2 года назад

YES! Thank you Matt for making this tutorial!

@MattAspland 2 года назад

My pleasure!

@davidquee8728 11 месяцев назад

@@MattAspland Hey mat you do paid help / one on ones using alot of your stuff

@gamedev3547 Год назад

Thanks this helped me a lot! 👍

@ElZorroXIV 2 месяца назад

Thank you so much for this!

@FreddyPlaytimeCo Год назад

Thx! That was helpful!

@legatt. Год назад

Thank you! You are great!

@scorpion666lair 2 года назад

Exactly what I was after, cheers!

@finessefulj8489 Год назад

I would love that part 2 video that highlights as you get closer.

@egoartschool1566 Год назад

MY MAN... this is SO much easier than the way I was doing it lol.

@chomnansaedan4788 Год назад

I have no idea how this works but thank you.

@metalcoreofficial9059 Год назад

Just wanna say, I'm a huge fan (btw you can use m+click for multiplier)

@thehambone1454 9 месяцев назад

To make it work based on a line trace (center screen hovering it), would we just enable/dsiable the "Render CustomDepth Pass" ?

@mazentalaat7390 Год назад

Great video! It won't work If you have a translucent material. To fix it, tick “Allow Custom Depth Writes” flag in your translucent material settings, change "Opacity Mask Clip" Value(0.1 for example) and don't forget to tick "Render CustomDepth Pass" for your object.

@jongofett2343 Год назад

Thank you for your service sir... this is a truly underrated comment.

@mazentalaat7390 Год назад

@@jongofett2343 Glad it helped :D

@waqar_asgar__r7294 11 месяцев назад

Video poster please pin this comment very important

@waqar_asgar__r7294 11 месяцев назад

although this solution stops working for opacity values below 0.4. Any idea why and how to fix it?

@MelvilleG 10 месяцев назад

Thanks. That's a relief

@Eletreeon27 2 года назад

Hello Matt Aspland Love ur video can you show us some tutorial how to change background music at different place example: when you go to inside the house,the music play,when you go to second floor or toilet or to your room,the music change to another music

@dobbskey Год назад

Hey, love the tutorial. I'm having an issue when I click on an actor to outline it, it outlines every actor of the same class. Like I have an enemy I'm targeting and it highlights every enemy, even different meshes. Any idea why?

@stay2373 6 месяцев назад

bgm is so good

@soschu8469 Год назад

hi there, really like your tutorials. i have little problem, maybe you can help me with that. i have made two post process materials, your outline material and one "xray" material. i also have applied custom stencils to both of them, because i want enemies to be outlined and filled (by the xray material) in red color and allies in blue. i have two meshes, mesh A with stencil value = 0, mesh B = value 0. this technique works with the xray Material but not with your highlight material. i don't get it why? the input node, scene texture, custom stencil seems to show the same value for both meshes and both meshes are hilghlited using the same color. any ideas? help would be really appreciated. thanks in advance.

@paraboy5629 2 года назад

Soo helpful

@themarqua3321 Год назад

Thank You

@chrisobrooks6662 Месяц назад

How would you go about applying this material to an actor/character? Could you maybe make a video on post process materials applied to them?

@Gamer-kn7fi 9 месяцев назад

Thanks for the great Tutorial! I am trying to use this to select objects on my map. The map uses a scnecapture3d who renders to texture (ortho view). but even thogh the player can see the outline the camera for the map seems to not capture it. Is there any fix for this

@user-ts7uc7kf6s Год назад

정말 감사합니다 ❤

@drawmaster77 Год назад

Thank you for the tutorial, but I would love explanation as to what the heck is actually going on there. I can't wrap my head around any of it lol. edit: what exactly does viewSize->Ceil->Clamp do (the left-most 3 nodes)? It would always return (2,2) because ViewSize is in pixels like 1920x1080 or something? I've tried replacing it with a const - I see no difference?

@vickylin9600 Год назад

I have exactly the same question here. I'm trying to understand the logic within with debug. The Clamp part really confuse me

@vickylin9600 Год назад

And why Mask(RG) on screenPosition->viewportUV? It's already 2-channel data. Input and output are exactly the same. Where does this tutorial come from anyway?

@griesburner Год назад

how can i highlight enemys like this? or is this method only for static objects? iwith a static actor it works but when i try to do it with an NPC it fails to detect the mouse over event...

@RobinDale50 2 года назад

How about one on a "night vision" look? B&W, green, etc?

@vsevolodmetelsky1275 Год назад

Thank you, the tutorial is great! I however experience some jittering of the outline. Do you know what could be a solution for this?

@franciscojavierarrarte5301 Год назад

change the tonemapping. The default is after tonemapping, try before tonemapping

@samankargar6708 Год назад

@@franciscojavierarrarte5301 I was looking for a fix but I couldn't find anything. thanks a lot

@SinaAfshariJewellsMuseum Год назад

Hey! I would like to know how we can creat a box with all round edges completely in ue , ,allot of people want to know this actually, and when I searched (how to round all edges in ue) yb recommend your channel , Thanks!

@MrTreeGuy 2 года назад

Good tutorial

@MattAspland 2 года назад

Cheers!

@richardjestadt6164 Год назад

I don't often say this!, but despite a hiccup at the end. very well put tutorial, production of video had no weird breathing into a mic, u didn't umm and uhh 100 times, and didn't excessively move the mouse or scene around, and I'm Canadian so for me you have an accent, but it didn't get in the way of you speaking clearly,... SOMEONE GET THIS GUY A JOB!!

@phamxuankhoaa Год назад

Wow, I need this in my Muck clone game 😁😁😁😁😁😁

@geckopower7565 Год назад

How would you go about making it turn on/off with a variable and turn on when you near it?

@Kokuyous3ki 11 месяцев назад

What if we want to highlight one with red and the other with blue? Obivously at the same time so separate post process volumes won't cut it.

@spaceDelfin Год назад

does anyone know a way to have different outline colors for different objects? I believe it has something to do with stencils, but I have no idea how to set that up. I have been looking for a while now to figure out how to do that and I can not find a definite answer on what to do.

@DemokratischDenken Год назад

Unfortunately, this doesn't work with Nanite enabled. Do you have a solution for this?

@WWatson99 Год назад

I know this is a bit of an old video, but could we have a tutorial on how to apply this shader only when a line trace from the user hits the object? Thanks!

@Youshisu Год назад

You can do enable/disable custom depth from graph level, find actor and get component :)

@Saderz_ Год назад

what would be the best way to make it so you can't see it through walls?

@abacigil 8 месяцев назад

any solution?

@Lucid_void_goi 29 дней назад

Bump. Would love to figure this out myself.

@midnightsunstudios9880 Год назад

how can i make it so the outline isnt visible through walls?

@MartKart8 2 года назад

When I read the title I was thinking of that material that looks like Tron.

@idkonic5173 Год назад

Hi, I'm using UE5, whenever I try to find the Custom Depth under Rendering of the Asset, it's not there. I only have Actor Hidden in Game tickbox. I already went to Project Settings and Custome Depth Stencil is enabled

@IconicDesigns 2 дня назад

i seem to get this error, any ideas? [SM6] SceneTexture expressions cannot be used in opaque materials except if used with the Single Layer Water shading model.

@belldanime 4 месяца назад

Is there any way to get these outlines to show on invisible objects? Lowest material opacity I can go is 0.4ish before the outline completely disappears.

@MidnightshadeProductions Год назад

Is your mesh nanite enabled? mine stops highlighting when i enabled nanite on the mesh

@Grimm_Entertainment 11 месяцев назад

when i step in the box its highlighting every item. How do i make it only highlight that particular item within the box?

@DJenriqez Год назад

This is nice amazing for things like magic search ability in games , but for some games this methodology is useless, and in VR totally :( But thanks for tutorial, hope I will reuse this in something else :)

@ItsExetic Год назад

Hey Matt, can you help me understand why this doesn't work on my imported FBX models or Quixel models?

@alexfries350 Год назад

TayloredAnt's answer above actually worked for me, and I could keep using FBX models. Open the mesh and disable nanite in it, then it should start glowing

@SlothFang 2 года назад

Do you know of a way to make the highlight effect occur so it only appears if you hover/mouse over the object?

@VL4DST3R 2 года назад

First i recommend you read another user's top comment: Connor Vernon's about using custom depth buffer to achieve this. Then use a raytrace fired from either your viewport or cursor to get a reference to the object you are looking at/hovering over. Finally just get its mesh component and apply the above depth buffer settings to it to achieve the desired result.

@static2601 2 года назад

I need this for plant models im making. I want the leaves to glow but the stems would need this effect. I just don't want to be seen through walls and other models. any way to turn that part off?

@MattAspland 2 года назад

I can look into it further as there will most likely be a better way, but a temporary fix for that could be detecting when it is behind a wall and setting "Render CustomDepth" to false

@luksahd 2 года назад

👍

@calicoday2383 2 года назад

Great, thx. I've wanted an outline for ages. Hadn't realized I wanted the 'xray' poss! Curious about how to do not-xray, ie the outline only shows on the part of the actor not blocked by something in front of it (but maybe that's obvious once I think about it).

@vince2222 Год назад

did you find a way to disable the x-ray?

@calicoday2383 Год назад

@@vince2222 Not before I got pulled away from this particular project, sorry -- but thanks for asking, I really want to get back to this one. 😀Please do post if you find the trick!

@rayaankhot6780 Год назад

If you followed what is shown in the video exactly and it is still not working, try disabling nanite on the mesh it worked for me

@Spacewarpstudio 2 года назад

Great vid, went through the setup and got it all working, unfortunately realised afterwards that it doesn't seem to be working with Nanite. Any work-arounds to this?

@SketchyGameDev Год назад

Damn I was wondering why it wasn’t working on my imported meshes :( Did you ever figure it out?

@Spacewarpstudio Год назад

@@SketchyGameDev I found a work around... I don't remember the exact details, but roughly... I made a duplicate mesh with Nanite disabled and set the object up with that mesh as a child, and then disabled all of its render options so it was typically invisible. The highlight effect is then applied to that object, which was still visible. You still benefit from Nanite because the non-nanite object has its renderer disabled, so doesn't cost anything until it is highlighted.

@SketchyGameDev Год назад

@@Spacewarpstudio I was considering that, but I was worried it would drive up my render cost. But, if that’s not a problem I’ll give it a shot, thanks man! 👍

@SketchyGameDev Год назад

@EXODST I never found another workaround, I just moved onto other stuff and decided I’d get back to it later lmao

@youzhili7855 Год назад

How to highlight a item that just dropped from the ai that killed by player? I mean the item is spawn after player killed the ai, what should i do? thanks for any solutions!

@Skeltcher 2 года назад

How to make it highlight when the player is "looking" at it? For example when something is in range to be interacted with if the player have the crosshair on it

@unconscious5630 2 года назад

You have to look into raycasting on a separate tutorial. But you should be able to just make it so that when the raycast hits an object it sets its customdepth to true and when you look off of it, it sets it to false.

@pulsar7016 Год назад

*How can I make it so that I can use different colors at the same time ?!?!?!?! For example, I need to have a green color on the LMB, and a red color on the RMB. How?*

@ManaRealms Год назад

Great tutorial! I have created a blueprint that locks my camera and cycles through enemies but cannot figure out how to implement the highlighting to my "current target" (actor variable) Any help would be greatly appreciated. 😁

@JPLafreniere1 Год назад

Hey did you ever figure this out?

@YouBetterGetCookiez Год назад

Hey one way that could work it is to use the Set Render Custom Depth function with the character mesh as a target and enable/disable it as it cycles between them

@Ckcdillpickle 2 месяца назад

doing this in 5.2 atm, I noticed the outline affect is very jitterly I have not been able to find any solutions

@baryafe Год назад

how can i do that the outline will appear when i RMB it?

@unrealengine_vn Год назад

tks

@EDISmusic000 2 года назад

Its not working with Nanite. Anyone any Idea how to fix this?

@AcesWorld 9 месяцев назад

i cant seem to get this to work for me :( when i step in the box my whole screen goes to the colour of the highlight

@furrybproductions Год назад

Supposedly nanite objects don't support highlighting in post process in UE5. Any ideas?

@alexfries350 Год назад

THANK YOU FOR THIS! I was pulling hair trying to figure out why my custom mesh wouldn't highlight and it was because nanite was enabled on it

@MartKart8 2 года назад

I tried to follow the tutorial on Game Instance, I'm so confused, I'm going for a similar style to Mario and Banjo-Kazooie games, I had some parts working, then the whole thing stopped working. I want to be able to collect the rings from a level, and keep them and use them to unlock doors located in the hub, for new areas. I tried to make it possible to keep the score which I made an integer, I know the score comes from a widget.

@MattAspland 2 года назад

Are you referring to this tutorial? Feel free to email me again for further assistance Martin

@DelfosseFoo Год назад

Matt, do you not see that the outline is jittery? It's not usable in production.

@Kiwi2703 Год назад

Change Blendable Location in the material to "Before Tonemapping"

@crimester Год назад

works in unreal engine 4

@Nitrousoxide2k 9 месяцев назад

It's almost 5am, so I may just be brain farting... How do you make it so the outline appears only when the object is in view? Like, NOT have the outline render through walls/other actors, etc...but renders as expected when in plain view.. As I'm sure many others are working towards, I'm trying to make this functionality happen when an interactable actor is in view, and the player is hovering over it from a specific distance (using line trace). Going to bed now...clearly need to.. 😛 Thank you in advance!!

@shotguncaw8776 11 месяцев назад

When he said we are going to go far to the left to give are self's space I cried.

@shotguncaw8776 11 месяцев назад

He keeps doing it. 😭

@jongofett2343 Год назад

why wont it work for highlighting an object that has a blueprint?

@grimwolf9988 3 месяца назад

I really wish this explained the steps instead of just showing them. I'm not actually learning anything if I'm just copy-pasting someone else's code, and I'm left without the ability to adapt and customize any of this.

@user-fk8fn1yx7u 5 месяцев назад

why every mesh highlighted after done every，help！

@jongofett2343 Год назад

also why does it look like kylo rens lightsaber?

@Youshisu Год назад

Why is the RGBA must be converted to float4? That makes no sense :| around 10:20

@__foo__ Год назад

You can see through the wall

@immrsv Год назад

"Ceil", pronounced "seal", abbreviation of "Ceiling" (meaning "top of", opposite of "floor")

@fael097 2 года назад

what's with the aliasing and the shaking?

@mangarookie 2 года назад

yea exactly why not aliased or how to alias @Matt Aspland pls

@SpaceShrimp 2 года назад

you have to do your post processing before tone mapping ( or after depending on your technique)... change it in the material detail panel :)

@conorvernon456 2 года назад

You can smooth it out by setting the material's "Blendable Location" From "After Tonemapping" to "Before Tonemapping" and you get a much cleaner effect (albeit this contributes to Lumen lighting, which may or may not be desirable)

@mangarookie 2 года назад

@@conorvernon456 well thanks ill definitly check it out. I was doing the inverse mesh outline till now and its sad :(

@boombyte8849 Месяц назад

Simply like so....

@brockdish Год назад

Btw you have a mistake in the timestamps It says the overview starts at 7:07

@MattAspland Год назад

Thanks, just fixed it :)

@sc2sc286 Год назад

has anyone found a way to make it so the outlines arent jerky ?

@LuckyRaphi 8 месяцев назад

yes in the material graph in the settings set Blendable Location = Before Tonemapping

@brim-skerdouglasson Год назад

Now to figure out how to get it to react to a mouse over instead of the camera entering a box 💀

@Kiwi2703 Год назад

Make an event in the Player Controller BP that checks for new actors that appear under the cursor location, and everytime you hover over a new actor, the event fires (you can make this in the Event Tick using DoOnce node to only fire it once when the new hovered actor is not equal to the old one). Then make a Blueprint Interface function and connect it to that event (so everytime the cursor hovers over a new actor, it fires this BPI function). Then in your actor BP (that you want highlighted) make an event from this BPI function and connect it to a "Set Render Custom Depth" node and set it to true. That's it. Also in your Player Controller BP make an actor variable in which you will store the current hovered actor, and before you fire the next BPI "outline on" function on the new actor, make sure to fire another one that will turn off the custom depth for the previous hovered actor (otherwise you will just be highlighting everything without any highlights turning off after you stop the cursor hover). Oh and ofc set the post process volume to "unbound".

@shuanthereales8412 Год назад

14:10 The reason behind that is because the camera in the view port needs to be actually inside the post process volume. 14:12 as you can see here you can't see the outline but as soon as you get inside of the post process you do

@BrondStar Год назад

Am I the only one that sees the weird flickering, like a small flickering/pulsating thing going on with the outline? Does not feel solid. How does one fix this?

@cassiohenrique6815 Год назад

If you haven't solved it yet, or anyone that wants to know how to fix it in the future: Go to Project Settings, search for Custom Depth with TemporalAA Jitter and uncheck it.

@clonkex Год назад

SEE-uhl. You don't saying KEE-ling when talking about the inside part of a roof.

@greekcontrol6336 Год назад

I don’t have a outliner setting and no video tells me how to get it

@SupercapeGames 6 месяцев назад

Is there a reason why the Outline doesn’t look smooth and looks very jittery and, well, not smooth?

@maxouloik8906 Месяц назад

Change Blendable Location in the material to "Scene Color Before DOF"

@davidquee8728 11 месяцев назад

This approach falls short in effectively achieving its goal. The individual in the video states that they can provide assistance or clarification on how to make something work, but only if you are actively seeking such guidance. However, it is worth mentioning that this individual did not fulfill their commitment, as I was unexpectedly banned from their Discord server for what I consider to be an unjustifiable reason. When someone declares their intention to help others, it is important for them to follow through on their promise. This situation is highly misleading, and as a result, they have undoubtedly lost a subscriber.

@JHinsonMusic Год назад

Doesn't seem to work for me, or I missed something Version: 5.1.0-23058290+++UE5+Release-5.1

@ademegamer1254 2 года назад

I sent you a message on Instagram, please reply me

@MattAspland 2 года назад

Hey, I don’t respond to instagram DM’s, can’t remember the last time I was on there either anyway haha Feel free to DM me on discord or to email me however.