Questions tagged [unreal-5]

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For the EOS Online Subsystem, can my player sign up for an Epic Games account from the game, or does he/she have to do it from epicgames.com?

I am working on an Unreal Engine 5 game that would support Cloud Save functionality. I plan to use the Epic Online Services (EOS) Online Subsystem. I plan to publish it on iOS and Android for now, and ...
Stout's user avatar
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Trouble adding C++ actor component to blueprint in Unreal 5

I'm a veteran C++ dev, but so far I've only been working with blueprints in Unreal. I'm now attempting to mix the two. I have a blueprint actor I'd like to attach a component to, but the actor ...
Nightmare Games's user avatar
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How do you render a square texture2d to a square render target in unreal using c++?

How do you render a square texture2d to a square render target in unreal using c++? or is there something in unreal similar to Graphics.blit in Unity?
Anning Wuwang's user avatar
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Fortnite files structure - how to find quest description?

Fortnite files can be discovered with FModel. This is unreal engine project. I would like to understand how it works. For ex., I found the following record at AssetRegistry.json: ...
LA_'s user avatar
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Marching cubes with binary voxel data

I'm implementing a destructible terrain in my game and so far I've managed to create chunks that hold blocks which are in a 3D Array of ints that represent the Block IDs. So far I've implemented the ...
MikeS's user avatar
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Cannot access pawn from attached actor component

I have a pawn blueprint that contains some AI movement code, and looks like this: Now I'm attempting to move that functionality into an actor component so it's easily transferrable to other enemy ...
Nightmare Games's user avatar
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49 views

Strange edge seams when subtracting a cylinder from other shapes

I'm just starting with UE 5.1 and I'm noticing weird behavior when I use cylinder to subtract from other shapes. I tried adding more sides to make it smoother but these weird artifacts still persist ...
Wiizl's user avatar
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How does the UE5 Control Rig Sphere Trace by Trace Channel Work?

I would like to use a control rig to correct the foot IK. First, I defined a function called "FootTrace" to detect the ground under the feet. In this function, I used "GetTransform-Bone&...
Nater's user avatar
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1 answer
51 views

Variable "is not blueprint visible" in function library

I am trying to create a function that simply returns some hardcoded values so that I can use them in other functions within the function library. However, I'm getting the error: ...
Matt's user avatar
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Realtime water UE5

I want to implement a small VR game where by pressing the LMB the character will create an invisible object that will push the water in front of him. With which plugin can this be implemented? We used ...
yolka's user avatar
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How to remove flickering white pixels/fireflies from Unreal Engine render

I'm currently rendering an archviz scene in UE5.1 lit by lumen, but I'm struggling to remove these pesky over-bright pixels on areas which are very reflective or metallic: I have tried turning off ...
David Fitzgerald's user avatar
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294 views

Triggering Enhanced Input Actions via inputs with modifier keys (Shift/Alt/Ctrl) in UE5

This question refers to the use of enhanced input in Unreal Engine 5. Whenever I say "modifier", I refer to modifier keys such as Shift, Alt, and Ctrl (rather than the Input Modifers such as ...
Simon Fischer's user avatar
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Export fluid simulation from Unreal Engine

I’ve searched around, I can see different options to import Alembic animations for simulation from different software (e.g. Blender), but I see no options for exporting fluid simulation (Niagara fluid)...
mleu's user avatar
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2 answers
80 views

Can I contribute code to an Unreal game without running the engine on my system?

I want to get into game programming, but my system can't run Unreal Engine. Another programmer I'm working with is using Unreal on his system, so I want to know if it's possible for me to code using ...
Aki Toby's user avatar
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2 answers
572 views

error creating a c++ project in unreal

I was working on some test project since I'm beginner in unreal engine, and I suddenly started getting this: ...
mleu's user avatar
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Is it possible to make material in unreal that will scale alpha so i wont use blender for that

Can material i show below be edited to just stretch face? I just don't want to do what i did in blender to each tree or bush. Here's an image of trees that use billboard to follow camera They use UV ...
SXNXSLW's user avatar
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Unreal 5 Actor Can't Move

I have an Unreal 5 actor with some basic blueprints involving a "Simple Move to Location". I've created a NavMeshBoundsVolume, and both the actor and destination point are inside it. The ...
Nightmare Games's user avatar
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Gpu crashed or d3d device removed

fellow StackExchange community. Probably everyone who has worked with Unreal Engine 5 has had this error. In general, it is associated with incorrectly configured video card drivers. But as my own ...
Nikita Struk's user avatar
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I am unable to launch unreal engine with epicassetmanager

When I first installed epic asset manager on my linux machine I could use unreal engine perfectly, but now when I launch nothing happens. It says it has launched and nothing appears in the log. I have ...
sprostopia's user avatar
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1 answer
90 views

Texture base color not showing for Unreal Engine auto material?

So on the right there's the item that needs to be in the auto material (the base color for snow) but it isn't showing up in the material instance. The node is in the proper group (also shown) Any ...
Tyler Dumond's user avatar
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2 answers
156 views

BeginPlay and Tick do not work for blueprint class inherited from C++ class

The problem is that the begin play and tick functions do not work in a blueprint inherited from a C++ class. If the blueprint does not inherit from a C++ class, then the functions work perfectly. ...
OMEGA's user avatar
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There's no "level sequence" item in the animation menu

Trying to film some things with the camera, and every tutorial says you should go to the content browser and add a level sequence from the right click menu, but I have no such thing in Unreal 5.1 The ...
Eight Rice's user avatar
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How do I get a direct reference (not a copy) to an actor while in editor (not runtime)

I am looking for a way to get a direct reference to a camera rig actor that resides in my level while in editor mode (not at runtime). From what I understand, the "Get Actor Of Class" and &...
Ryan Farmer's user avatar
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1 answer
133 views

StaticMeshActors not Multiplayer Replicated in Unreal 5

I'm attempting to add multiplayer support to a new first person game we're working on in Unreal 5. Starting with the FPS template, it seems like the player and the gun both behave as expected across ...
Nightmare Games's user avatar
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38 views

Analyzing audio in C++ / Unreal Engine 5 without plugins

This project is done in Unreal Engine 5. I would prefer doing this in C++ instead of Blueprints, but I'm open to any ideas. I am trying to take an audio file and create the data needed to make an ...
Bob's user avatar
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Cut only one object with polycut

If you duplicate an object and then do a polycut, it will affect both the original and the new one, even though you had only selected one object before clicking on "polycut" in the modeling ...
Eight Rice's user avatar
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39 views

How can I make the water in Unreal Engine 5 clearer so that the rocks underneath are more visible?

I'm trying to make the water in my Unreal Engine 5 project look clearer so that the rocks underneath are more visible. I've attached two images, one is the current look of my water and the other is ...
Antreas Alexandrou's user avatar
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1 answer
39 views

Imported IK Rigged FBX model into Unreal Engine makes the feet point in the wrong direction

Hi I have a model I rigged in Cinema 4d following the same structure as the UE5 mannequin that I've imported into UE. I am trying to setup retargeting however the animations have the feet pointing in ...
730wavy's user avatar
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1 answer
179 views

Make Niagara System effect visible only on specific Render Target

I’m new to UE and don’t really know how to approach my problem, perhaps that’s why I couldn’t google a solution for it. So here’s what I want to achieve: I need a Niagara System effect to be only ...
user3272018's user avatar
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39 views

Distance fields reacting to camera in a odd way

I have a material using distance fields that reacts in chunks as I bring the camera closer. It's almost as if it's reacting to a distance field with the camera but much larger and less gradual.This ...
Alexandria Hunsinger's user avatar
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28 views

Rotate the polycut by 90 degrees

If I want to make a hole in a vertical wall, I would use the polycut from the modeling toolbar, right? But the tool shows up in the horizontal plane, and if you want to rotate it, it seems like the ...
Eight Rice's user avatar
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1 answer
52 views

Mysterious light source

In 5.0.3, I removed all light objects from the project, including the skylight and any/all lightbulbs. Yet, there are two spots of light in my model, one on the floor and one on a wall. What might be ...
Eight Rice's user avatar
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1 answer
32 views

Textures only work on vertical surfaces

I'm trying to apply a megascan texture (hardwood) to a floor but it only looks right on vertical surfaces. If I apply it to a cube and rotate the cube, the texture turns weird on the horizontal faces ...
Eight Rice's user avatar
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96 views

Edge Shader in UE5 with Triplanar Mapping

I am designing a LEGO brick shader in UE5 and wanted to add a scratch normal map to it. But I only want that scratch normal map to apply to where there is an edge to a mesh. The material uses ...
BlenderMaster15's user avatar
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33 views

UE 5.1My pose is different in the Duplicate and Retarget Animation Assets window after editied poes

I manipulated the pose of the target to A-pose to match the original. The preview in the IK Retargeter window had the correct animations, The export animation was correct, But when I pressed ...
Supanut Siwahansaphan's user avatar
1 vote
0 answers
26 views

Execute both exec ports in the same frame

I made the following: Notice the [Button] node has two execute ports. The CLICKED exec port is executed when a button is clicked. The other exec port is supposed ...
clankill3r's user avatar
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0 answers
66 views

How do I generate Landscape actor based on player coords in UE5.1 c++?

After searching everywhere and only finding blueprint ways to do something similar using regular meshes in UE4, I've landed here. I tried RTFM but I have severe ADD and get lost in tangents that never ...
Ethan Aaron Vandal's user avatar
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342 views

Client says they want Unreal scene viewable in a web browser 😳 last minute

I have a job that I did for a client and the client wants the project to be viewable in a web browser. I looked into it and all I found was people telling me that it's impossible, but this is a low ...
ChristianOConnor's user avatar
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52 views

In-Game Vertex Paint with Line Trace

From what I can tell, this game uses vertex painting as a rudimentary form of add blood decals. How can I vertex paint a mesh in-game? The system can use a line trace and then find the nearest ...
Smail's user avatar
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1 vote
1 answer
38 views

Trying to package an Unreal project for Windows but it builds the default demo fps map?

This is really frustrating but I made a complicated Unreal Engine level and it built the default FPS project. It didn't build a single asset in my scene. I would build the project by clicking ...
ChristianOConnor's user avatar
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23 views

IK Retarget Changes Scale

I have an IK Retarget set up that works perfectly in the IK Retargetor editor... but then when I Export Selected Animation, it's broken: it changes the scale of the model and streatches the knees out ...
Smail's user avatar
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0 answers
36 views

Render Sounds (from Animation Notify) in Movie Render Queue

Is there a way to expose the sounds generated (notified) by animations to the Sequencer or Movie Render Queue? I have a walk animation with sound effects linked to the steps, with characters using ...
Smail's user avatar
  • 141
2 votes
0 answers
74 views

How can I write a fold expression in Unreal 5?

I'm trying to write a variadic function template that would fold a parameter pack over an expression in UE5. However, the compiler fails on the fold expression. Since my function is a little complex, ...
MetaZenithian's user avatar
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1 answer
61 views

Give the Volume of a Sound a Character is currently making

I'm looking to have a sound file drive the location of a bone or morph target, to create a basic form of lip syncing. Specifically, I'm looking for help getting the volume of the sound file as a float....
Smail's user avatar
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368 views

Simulate Physics causes Actor to fall through ground when player interacts

I've set up a simple code that allows the player to use a line trace to pick up objects and assign them to one of three sockets on the character mesh. I then set up the ability for the player to ...
NeonIndica's user avatar
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1 answer
166 views

Viewport controls in UE5 - can you lock the Z axis?

I recently got into UE5 after using Unity some years ago - I am a bit surprised about the shooter-like controls in the level editor, as most of the time I will want to pan across the level (X/Y axes) ...
Kefir's user avatar
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1 answer
300 views

How do you limit the Pitch of the UE4 and UE5 camera which is on a Springarm in C++

I want to limit the pitch of the Player camera, which is connected to the spring arm attached to the player capsule. I want to do this in C++ rather than Blueprints. Does anyone know how to implement ...
emorphus's user avatar
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Importing Texture > Create Material Instance

I have a large number of images I need to import and they each need to be added to a specific material instance. Doing this manually would take days. I'm wondering how I can automate this. For example....
Smail's user avatar
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1 vote
0 answers
173 views

How to add oblique frustum (lens shift) to UE5 camera?

I want to make a game with an oblique frustum instead of a standard frustum. Unity camera has lens shift option for an oblique frustum. But UE5 does not have such thing. In this Unity document, I can ...
landings's user avatar
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Two materials with the exact same settings show different behaviours

I have made a material recently with a red “A” on top of a glass shader. I had a bunch of problems ensuring that the “A” decal was unaffected by the transparency so that only the glass shader would be ...
J.Doe's user avatar
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