Questions tagged [unreal-5]

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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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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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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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Unreal 5 and Maya 2020 not matching scale despite both defaulting to centimeters

Effectively 100 units in Maya set in centimeters = 1 unit in Unreal Engine set to centimeters I've been in a school project last year and am about to embark on another on UE5, and I'd like to find out ...
VegetableStu's user avatar
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Clothing mesh penetrates character when imported into Unreal

I'm trying to import a .fbx file with animation from Maya, but the mesh has changed at some specific frames automatically, which makes my character intersect with the cloth. The mesh itself does not ...
EdwardW's user avatar
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What are the limitations or downsides of using Procedural Textures extensively?

Are there negative consequences to making heavy use of 'procedurally generated textures' in Unreal Engine 5, as opposed to normal textures? I found some info in the docs that it 'saves memory', but ...
Smail's user avatar
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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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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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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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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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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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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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15 views

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
88 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
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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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23 views

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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0 answers
16 views

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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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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0 answers
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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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
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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95 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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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
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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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0 answers
339 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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0 answers
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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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
  • 141
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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
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0 answers
361 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
0 votes
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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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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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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0 answers
129 views

Root motion works but doesn't move actor

As shown in this video, I have a walk animation with Root Motion enabled, and an Anim Graph which acts upon a skeletal mesh. But it doesn't move the skeletal mesh. I've followed several tutorials and ...
Smail's user avatar
  • 141
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0 answers
108 views

How to Update Allowed SDK in UE5?

I am trying to package a game I am making in UE5 on a Mac (for shipping) and I can't, as my installed SDK is newer than the engine's allowed SDK. (see image) What can I do to have UE5 allow a newer ...
BlenderMaster15's user avatar
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Adding collision volume after mesh is placed in the scene

I am currently running Unreal Engine 5.0.3. From Quixel Bridge I imported a mesh HUGE SANDSTONE CLIFF to my testing project to surround the gameplay arena. Later I realized there is no collision set ...
esgaldir's user avatar
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UProperty of AStaticMeshActor type resets to "None" after picking in Editor

I have an C++ class “Manager” that derivatives from AActor. Inside of it, I have a property of type AStaticMeshActor: ...
PolGraphic's user avatar
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0 answers
60 views

Why won't my game package to my iphone in unreal engine 5

I made a game and I want to export it to iOS and it kept saying "The Binaries for this Target Platform are not currently installed" and I did what it told me to do which is to install it, ...
AstroGuy's user avatar
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0 answers
172 views

For UE5 camera, how to add additional 2D transforms after perspective projection?

Octopath Traveler's camera seems to be always horizontal (All vertical lines keep parallel after projection), but the projection center is not at the center of the screen. So there must be additional ...
landings's user avatar
  • 111
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0 answers
314 views

Whenever I move the camera on the left side of the screen, the cursor appears in-game

The mouse keeps escaping the full-screen whenever I either jump, move, rotate the camera or keep spinning to the left. But only on the left side of the screen, not the right, not the middle, not ...
Darkcrusader's user avatar
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0 answers
443 views

DataSmith missing from UE5 even after installation

I have UE5 and I’ve seletected Datasmith Importer plugin in Edit → Plugins, then restarted the UE5. I cannot see Datasmith import button in IDE and when I try to drag-and-drop datasmith file into ...
PolGraphic's user avatar
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0 answers
106 views

How can I ignore specific bones in Unreal Engine 5 retargeter?

Unreal Engine Version Version: 5.0.2-20280985+++UE5+Release-5.0 My goal is to retarget Xsens motion capture to a clo3D rig. The problem is the clo3D rig has an extra bone in the upper arm and upper ...
Purp's user avatar
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0 answers
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distribute and sync multiple dedicated servers in unreal 5

I hope this is a good place to ask my question I'm using unreal engine 5. My game would be only one map and I want to all of clients play in one session. I want to have unlimited numbers of clients. ...
saeid ezzati's user avatar