Questions tagged [unreal-5]
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102
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How does Unreal Engine 5's Nanite work?
I have seen Unreal Engine 5 showcasing their Nanite system a long time ago. Like everyone, I was impressed. Since this is something that would revolutionize the gaming industry, I expected it to come ...
2
votes
1
answer
331
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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:
...
- 375
2
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1
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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 ...
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267
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Porting Plugins from UE5.0 to UE5.1 source build causes DLL Registration Errors
I built UE5.1-Main from source successfully. I'm trying to port my UE5 marketplace plugins, but when I launch the editor I get these errors for all my ported plugins.
I suspect it might have something ...
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2
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1
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Can UE5's Nanite be applied to the low poly aesthetic?
It sounds like a bit of a stupid question; why would anyone want technology for triangle-per-pixel rendering in a low poly aesthetic game? The answer is that Nanite offers continuous LOD with high ...
- 161
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75
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What does SetGamePaused do internally?
I would like to implement changing game speed similar to RTS games (pause, 1x, 2x, 4x). For the faster times I can set bigger Time Dilation but for 0x time I would like to know if I can just use ...
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2
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89
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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, ...
1
vote
1
answer
110
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Can I upgrade Unreal 4.27 to 5?
I tried to get Unreal 5 directly but I couldn't, the only option on the table was unreal 4.27, can I upgrade to 5 after 4.27 or do I need to consume another 20 gigs for 5?
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63
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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 ...
- 151
1
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1
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241
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Where to Save Health on Character with Behavior Tree - UE5
I've looked but havn't been able to find a the workflow for this searching online.
I have an NPC, with a behavior tree. Right now it just moves around the map. It's supposed to have a health variable, ...
- 141
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BlueprintCallable functions not appearing in Blueprint - UE5
Only just started working with Unreal Engine 5 and I have an issue were my BlueprintCallable functions are not appearing/callable in the blueprint. I dont have the same issue with Unreal Engine 4.
...
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22
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How to animate multiple animation blueprints offseting time for each instance?
I'm new to Unreal Engine and would like to get an effect similar to this one:
The idea is to have an Animation BluePrint with data from a Live Link Pose node to start with. To achieve the effect, my ...
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106
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Issue Joining a Session Created Through EOS in Unreal Engine 5
I'm trying to build a Peer-2-Peer multiplayer game using EOS (Epic Online Services) Online Subsystem in Unreal Engine 5.1.1.
The Setup:
I configured my organization (product, application, client, ...
1
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0
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27
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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 ...
- 135
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233
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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 ...
- 111
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189
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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 ...
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102
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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 ...
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130
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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 ...
- 141
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2
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89
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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 ...
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70
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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 ...
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263
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Template projects missing after updating to Unreal Engine 5.0.3
I just recently upgraded to Unreal Engine 5.0.3 and I cannot find different templates on the start window:
Previously there were many templates, like for a third person project, top-down, hand held ...
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1
answer
2k
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Unreal Engine 5 does not use shared VRAM
I have a HP Pavilion laptop with an integrated Intel Iris GPU, as well as a dedicated Nvidia Geforce MX 450. The Nvidia has a dedicated 2 GB VRAM, and the the two cards share an additional 16 GB of ...
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139
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Metaverse Game - Scam?
I hope you can help me. I have invested in a metaverse game project which claims that 5 people are working full time on the project for 2 years already. Unfortunately in the last couple of days one ...
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522
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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 ...
- 239
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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:
...
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2
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471
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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.
...
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1
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377
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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 ...
- 239
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1
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65
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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 ...
- 103
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203
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How do I accomplish viewing a 2D game board in 3D space?
So I'm making a 2D board game in 3D space and I don't want to use paper2D because I'm not really using sprites.
What I want is to be able to make a grid of cubes positioned such that I can have a ...
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420
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How do I get a directional light's (e.g. Sun's) Y axis position in a UI Widget in Unreal Engine?
I have a UI widget that will be tracking the in-game position of the sun (bottom left corner).
When I try to get the sun's position, it can't find the sun actor even though (I think) I have a ...
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Level Instance Blueprint Option Hidden UE5
So, here’s the deal. I’m trying to make level instance blueprints with Megascan assets (i.e. group them and convert to a single blueprint), but when I select them all and right-click, I can’t find the ...
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19
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Static Niagara System for fire on a torch
I'm building a Niagara System for fire and smoke that would be placed on a torch when it's lit. While smoke works just fine when it's static, when I move the camera (and so the torch itself moves too) ...
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18
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Stuck trying to build UE for iOS on Mac
I am trying to build an AR game for iOS, using a custom build of Unreal Engine 5.1.1, on an Apple Silicon (M1 Max) Macbook Pro.
(I have to use a custom branch of UE5 because there is a problem with ...
- 101
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20
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How do I add a Mesh to an AActor at runtime in c++ in Unreal Engine 5.3
For Unreal 5.0, 5.1 and 5.2 I used the following code to do this:
...
- 163
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Unreal 5.2 - foliage texture missing in build
I'm working on a demo in Unreal 5.2 and I would like to share the build. I noticed that when I cook the build, the foliage is missing. In Project settings --> <...
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24
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MediaPlayer looping video freezes after 1st or 2nd loop
I am trying to make a VHS effect for my game in UE5, using a looping MP4 video for the user interface. The video just freezes after the 1st or 2nd loop during test in viewport.
I tried to set ...
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41
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What are the advantages of TWeakObjectPtr automatic nulling?
When you use TWeakObjectPtr to hold an Actor reference then the pointer variable is automatically nulled for you by GC when the <...
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43
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GooglePAD and Chunking to Reduce .aab Size
I would like to upload a large Android game to the Play Store. My .aab file is about 1.3 GB in size. When I try to upload it to the Play Store I get the following error message:
...
- 101
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24
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How to make detail tab show information about clicked card?
I'm attempting to create a card game as a new Unreal Dev. Currently I have a UI for the board. That UI has children for the Hands, Field, and Card Details (A window to the side of the field that has a ...
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1
answer
18
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How can I load symbols for Composure?
I'm trying to load symbols so I can use breakpoints in Composure scripts and see how they control the PostProcessing of the SceneCapture2D component (because of this problem), but breakpoints hit. I'...
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47
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Black space and incorrect lighting when capturing to Composure
I'm setting up a Virtual Production project and capturing from a camera to a Composure CG_layer. I then output this CG layer to a Render Target that I have assigned to a material on a virtual LED ...
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129
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How to provide an array of positions to Create Points Node via Blueprint variables?
I wanted to use the Create Points node from PCG to align objects in a certain way. For this I've created a variable in my Blueprint ArrayOfPosition with type Array ...
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I can't manage to get Instantiate USerWidget from c++ in unreal5
I have a c++ UserWidget like this (sorry for some naming I renamed stuff a bit for post clarity)
header
...
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27
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I'm new to Unreal, and I'm trying to make a physics based game using CableActor. However, my actors explode as soon as I start a simulation
Here's a video of what's happening:
https://youtu.be/5uckTbNTGHI
The cable starts swinging wildly, and the actors at the end of the cable fly off into infinity. Ideally when I start the simulation I ...
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I want to have a light/lampshade hanging from a cable component, but when running the level the mesh and light fall to the ground
Here's a screenshot illustrating my setup:
There is a cable component with attach start, want toand the cable itself swings fine. However I want to attach the cone to the floating end of the cable. I ...
- 101
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Bullet spawning at world origin instead of muzzle socket on static mesh
I placed a socket called "Muzzle" on the end of my static mesh as shown here
I have it so when I left click, my bullet should spawn on the muzzle socket, but for whatever reason, it spawns ...
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42
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How to make a backdrop that supports different grid effects?
I am learning UE5 using a course on Udemy, and also trying to build a simple (as I thought) project of myself.
The game is billiards with top-down perspective. I want to make a billiards table that ...
- 103
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How can I use TOctree2::FindNearbyElements to find static meshes that are near the target Static Mesh?
I successfully added all the static meshes to their nodes inside an Octree. But I can't seem to find the nearby elements.
When setting up a breakpoint at
...
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24
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Ease Sequencer Keyframes
In Blender, the "Automatic" keyframe handle type creates smooth and natural animation transitions. It automatically adjusts handle positions based on neighbouring keyframes and curve shape.
...
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107
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How can I change MetaHuman pose and face expression without losing everything on autosave?
I uploaded a MetaHuman in a level.
Then, I want to do changes its face, body and so on, in the same fashion as if you load an animate sequence. I want to control its facial expression with face ...
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