Questions tagged [unreal]
The Unreal Engine. Not to be confused with the free UDK.
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How to begin my game dev journey after learning C++ [closed]
I have soon finished to learn basics of C++ (from LearnCPP tutorial serie), pretty beginner at it but I don't feel "too lost" while programming small code snippets to practice.
Biggest ...
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How can I reduce beam intensity without significantly reducing light brightness?
I picked up Unreal 5.0 last week and don't what question to ask the oracle Google to help me fix the problem.
This is what I have. (ImgA)
This is the look I am trying to get. (ImgB)
I started with ...
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Unreal Engine FDirectoryWatcherModule catching multiple events per file operation
I followed this post to implement a delegate on a directory that notifies me when a change has happened (add file, delete file or remove file).
This works fine, though the issue is that for each ...
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Use of a Global Shaders in Unreal Engine to apply some pre-processing operations
I'm a little experienced in Unreal Engine, but I don't know the Unreal's graphics programming from a very low level. More in details I would like to know how could use an Unreal's Global Shader to ...
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Multiple .NET Host Running in UnrealEditor
Unreal Editor has 64+ services running under it with .Net host and console window host running multiple times. I am running Unreal Engine 5.3.2 source build. I have tried recompiling and redownloading ...
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In Unreal Engine 5, how do I include and use UPlayMontageCallbackProxy::CreateProxyObjectForPlayMontage in C++?
I want to play my UAnimMontage via C++, and in particular, want to make use of the conveniences of UPlayMontageCallbackProxy.
...
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42
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Wrong initial level loaded for packaged build
I am having an issue with Unreal Engine 5.2 initially loading "Temp/Untitled_0" as the level before loading the actual default level that I have set in project settings. I have the editor ...
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Modelling assets from within game
I'm helping to build a game using the Unreal engine. My friends are working on other parts of the game such as UI, AI, npcs, camera and movement interpolation, etc.
My job is to work out the building ...
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How to handle the access token to use across the game sessions
I've successfully implemented a login system using Blueprint and the VA Rest plugin in Unreal Engine. After the login, I obtained an authentication token, but I'm currently facing a challenge in ...
- 101
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41
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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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101
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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 ...
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Accessing an Animation Blueprint C++ class from a Character C++ class
This is my first leap out of tutorials and building my own game so bear with me. I've been struggling with getting C++ classes to work with one another and accessing Unreal blueprints from my code.
I ...
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91
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Efficient procedural, instanced mesh rendering in Unreal using structured buffers
I need to render some procedural, instanced data in unreal. I have a mesh and a structured buffer (if that parlance is unknown in unreal land - a big GPU buffer of arbitrary data) full of instance ...
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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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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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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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How to apply avoidance to path following with root motion?
My Character Blueprint uses Root Motion to control locomotion (taking location and turning it into a direction to move).
However, root motion is not compatible with avoidance pathfinding such as ...
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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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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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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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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 ...
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Caves for Unreal Engine - convenient workflow
I'm doing a caves for my terrain. I have 2 solution, but none are good enough
Caves are just a simple shapes - later I'm going to improve
The problem is - to merge a landscape and a caves
Solution I ...
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in UE5 How do I write shader keywords for me to toggle on and off on the c++ side in UE like Unity, e.g. Material.EnableKeyword(“NORMAL_MAP”);
I’m writing a custom shader node. How do I write shader keywords for me to toggle on and off on the c++ side in UE5 like Unity, e.g. Material.EnableKeyword(“NORMAL_MAP”);
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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 ...
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69
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How to organize widgets in Unreal Engine for multiplayer
I am a beginner UI programmer working with UMG.
My question: are there ways to organize widgets other than, you know, the master widget that holds the rest of the widgets?
WBP_Master -> (...
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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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In unreal engine when using custom shader node how to enable alpha blend and its blend mode
In unreal engine, when using custom shader node how do you enable alpha blend and its blend mode?
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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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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 ...
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55
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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 ...
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594
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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:
...
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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 ...
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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 ...
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Several objects from another level appearing in a level that they shouldn't?
I created a project in Unreal, Top Down Character.
By default, the scene looks like this:
I thought of creating a main menu to take the player to the other scenes of the project I intend to do. For ...
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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 ...
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692
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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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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 ...
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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 ...
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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 ...
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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 ...
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How to train a reinforcement learning algorithm in Unreal?
I know I can use ONNX plugins to use pretrained Deep Learning models in Unreal Engine 5, like style transfer, object detection, etc.
I want to build a basic reinforcement learning project and would be ...
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How can I implement native c++ scripting like it's done in engines like Unreal and Godot?
I've been developing my own game engine and I'm kind of stuck in the process of scripting. I decided to use C++, since my game engine is mainly written in C++. (and don't suggest me other languages as ...
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Destroying Actors attached to DatasmithSceneActors only works for select attached Actors
Does anyone have any idea why only some actors get deleted after setting the satic mesh in this blueprint? Is there an issue deleting Actors attached to DatasmithSceneActors?
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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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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 ...
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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 ...
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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 ...
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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 ...
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Display a user webcam over multiplayer session on a wall in the middle of a level?
With the media framework, it’s now quite easy to use webcam or phone camera footage directly in the game.
Is there also a way to share this footage in a multiplayer game? So player A can see the ...
