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Efficient Path to Travel the object through point with Timeline in Unreal Engine

I'm currently working on a project in Unreal Engine 5.2 where I need to dynamically adjust timeline durations in Blueprint based on varying distances between path points to ensure smooth and efficient ...
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Help me understand these following code snippet from Chaos Vehicle plugins (UE5)?

I'm trying to understand the logic implemented in Chaos Vehicle plugin? I need your help with following points: 1/ Torque conversion If I’m not wrong then brake torque unit is Nm, then convert to Ncm ...
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Can't access to widget second time

I have a AScoreboardWidget ScoreboardWidget.h ...
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16 views

What difference does it make when to update the position of a component?

I'm trying to update the position of one of background parts. The goal is to move the most left background part to the right side of most right background part when it reach the some point (in my case ...
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12 views

Some widgets have started to flicker with UE5.4.2 version

Recently I’ve upgrade the engine of a simple game I’m developing, from 5.3.2 version to 5.4.2 version. I noticed several issues about widgets that flicker both in UI menus and in 3D Widget Components. ...
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1 answer
1k views

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 ...
2 votes
2 answers
123 views

How to record high quality footage for a game trailer?

I'm trying to record a trailer for my game using OBS, but the recordings are coming out in very poor quality. I've tried increasing the video bitrate, but that just makes the game lag during recording....
1 vote
1 answer
72 views

How do I apply a post process animation blueprint to a skeleton?

I tried to migrate the rifle anims from the lyra sample project. I am using the same skeleton as the Lyra project, but the wrist is twisted once they are retargeted. If I open the anim before ...
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28 views

When using the GAS in UE5, in addition to character attributes, can the parameters of projectiles and weapons also be put into the attributeset?

My game needs a very flexible Buff system, Buffs can modify the character's attributes but also the parameters of projectiles, weapons, and even other buffs, so are all these parameters defined in ...
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1 answer
35 views

Why are the transform buttons greyed out in the static mesh editor?

I am trying to add a couple box colliders to my mesh. I'd like to scale and position them. But for whatever reason, my transform buttons are greyed out and I don't know why. It's like this whenever I ...
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29 views

Running slide animation problem Unreal Engine 5

When my character is running and when I press "c" he is doing good animation for slide but the problem is that when animation is over the character is going back to the place where he was ...
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33 views

How to put animation correctly from one character into another in Unreal Engine 5 using retargeting? Root problem

So I imported animation from Maximo into Unreal Engine 5 but my character is not moving properly in running slide animation. I used retarget Root option and now my character's animation is good but I ...
1 vote
1 answer
52 views

Limited git provider and large assets

I am facing a problem with my UE5 project: I am hitting the maximum amount of space my current account allows for git, including LFS. Some assets are very large, so I cannot use anymore my git ...
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45 views

How do I make a retro pokemon like encounter event in ue5?

So I have an idea for a battle mechanic in a top down 2D game, but that requires me to transition from a top down to a first person view on collision with an enemy. I want it so that the main game is ...
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1 answer
93 views

How do I code realistic rocket engine plumes in Unreal Engine 5.3.2

Right now, I am programming the engine plumes for a game called Spaceflight 3D, or basically a better version of KSP2 that my team of developers are working on. Mainly to be made for my company to ...
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235 views

Unreal Engine 5.4.1 freezes every second

I encountered a problem in Unreal Engine 5.4.1, when starting an empty project with a first-person template, the whole Unreal Engine starts to slow down a lot (freezes every second). At the same time ...
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45 views

How to play audio in sequence in the reverse mode?

I’ve added audio to sequence and it works fine, but when I play it in the reverse mode, audio doesn’t play. I don’t need it to play in reverse too, to play it the opposite order - audio 2 and then ...
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1 answer
798 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 ...
1 vote
1 answer
61 views

I want to change the direction of my platform from z direction to y direction alternatively

So basically, I want my platform to move first on the z axis from start position to end position, and then from ...
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1 answer
830 views

How do I work with Runtime Virtual Textures in UE5?

I just created a Runtime Virtual Texture, but when I double click to edit it, I get no options at all. How can I reach the options and work with it, what am I missing here?
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triangle twice too big for mesh blueprint

I don't understand why the triangles covering my mesh are twice too big Here's my blueprints main function calling the mesh and the triangle function: the mesh function which is supposed to work ...
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59 views

Help with making biomes and cities with procedural generation

I'm working on a game in Unreal Engine 5 with Blueprints and the Fast Noise plugin. I've been having trouble getting the biomes and cities set up. I'm not fully sure how to make the biomes affect the ...
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while rotating around Y in Transform, it rotates around Z in Viewport Is it a bug in Unreal Engine 5.3?

I struggle to understand how the transfomartion is working in Unreal. I've faced one interesting situation and cannot realize what happed. Could somebody explain please why my rig is rotating around Z ...
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How offset is working in UE5.3 Rigging editor

How to get local offset of a control with Python in UE RigEditor? I’ve found a function to get global offset unreal.RigHierarchy.get_global_control_offset_transform ...
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91 views

Failed to merge bones

I tried to use two different fbx models as a ue mannequin, but I got an error every time: FAILED TO MERGE BONES: This could happen if significant hierarchical changes have been made e.g. inserting a ...
1 vote
3 answers
632 views

How to send an HTTP Request from an Unreal Blueprint?

I'm updating a little telemetry-logging blueprint that uses HTTP requests to log game events to a server. In the past, I've used the Fetch plugin for this, though it's currently listed as "Not ...
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87 views

How to continue with Unreal engine after crash?

I know that it is possible to do it so that when the engine (and maybe the game) crashes, it does not close, and continues to work. Who knows how to do it? I know there are many ways to do something ...
1 vote
1 answer
449 views

Best practice for Actor Components that require other Actor Component functionality

I struggle to understand best practices regarding composition and inheritance for Actor Components in Unreal Engine 5. Concretely, I want to build a base class, say ...
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1 answer
334 views

Using Unreal Engine 5 PCG graph to spawn terrain altering blueprint actors causing loop

I am using a PCG graph to spawn in actors, which are blueprint stamps for the terrain height map. I believe the issue I am facing is that when the blueprints are spawned, they alter the terrain, which ...
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1 answer
82 views

How to prevent sun light from passing through the walls and flickering when navigating in viewport?

I am new to UE5. I am using a geometry brush to create an inner box and an outer box. The inner is set to brush type ‘subtractive’, resulting in a simple room like this: Then I create several windows ...
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How to add Input Modifiers in C++

I have a blank Input Mapping Context to which I add the Input Actions that I require at specific times during my game. For example, when I make a roll, I simply add the camera movement Input Action ...
1 vote
0 answers
70 views

What does a "non viable function" error mean?

I am trying to use a websocket and some C++ code in order to trigger a function toogleLight every time Unreal connects with a server. But I have the following error:...
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1 answer
576 views

Make Spherical Hole on objects in Unreal Engine 5

I want to make something like this rasengan effect on a tree for my game (just for learning). Full Video Domonstration Link here (length: 1 min) I am new to unreal engine. So, according to my ...
1 vote
0 answers
70 views

How to use the DirectoryWatcher module in an Unreal Engine packaged build

I'm using the IDirectoryWatcher module on my project to monitor changes on a directory and when packaging it, I ran into a number of issues. Attempt 1: If I simply add the ...
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53 views

Full Unreal engine API support in Python?

I'm a newbie to the Unreal engine, and I've seen that there is very little documentation and examples of Python in the Unreal engine, so I'd like to ask if, leaving out the gameplay functionality, we ...
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1 answer
110 views

Why do the camera and the character not move when I use my own mapping context?

I replaced the defult mannequin with my character and created a new input action and an input mapping context. But when I change the default mapping context to mine, the camera and the character ...
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1 answer
190 views

What is the best way to handle removing elements from an array while iterating through it in Unreal Engine Blueprint?

I'm trying to remove "Park" Area Controls from a Scene Actions array in Unreal Engine Blueprint. My current attempt doesn't work, and I'd appreciate help troubleshooting it. Details: I have ...
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27 views

Efficient Implementation of Dynamic Snake-Like Body in UE5: Seeking Advice on Optimized Approach

Platforms: iOS, Android, and PC. I want to implement a snake body that can dynamically grow in length, narrow, and bend (simulate body movement, similar to bending in an arc). I'm using UE5, and ...
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48 views

cannot see the character mesh in unreal engine

I was adding the AIModule in my project, but, after I've rebuilt the project after deleting the Saved, Intermediate and Binaries folder, I can't make the Mesh in the Enemy Character appear in the ...
1 vote
0 answers
72 views

Which part of UnLua for UE5 can be defined at runtime?

I'm looking into options to allow a released UE5 game to be modded, with just "text files". That is, without having to use the Unreal Editor, and give access to the game code, to create the ...
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1 answer
126 views

UE5 - Add texture to landscape

I created a terrain in gaea and exported it to UE5. Then I created a new material with this texture which is for my whole landscape: Material settings: The preview above is already looking good. But ...
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Correct Orientation from Blender to Unreal Engine 5 in a spline

Let me preface this by saying I'm an absolute beginner and I have no idea what I'm doing. Following lot's of different tutorials, I want to create a road spline in unreal engine. Therefor I created a ...
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Can I safely remove assets after uninstalling Unreal?

I uninstalled Unreal Engine 5.1. I have several projects saved, some of which are using a lot of disk space. This is mostly because of downloaded assets (like Megascans). Is there any way I can glean ...
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213 views

having problems packaging my game in UE 5.3.2

I have tried to package my game and it doesn't work. I am unsure how to proceed any further. It was a week ago or so that I started trying to package my game in 5.3.2 but that didn't work. Upon ...
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131 views

Interface in UE5 not casting or working as a variable

In UE5.3.2, I have created an interface in C++ (code at the end) that I'm trying to implement in a Blueprint. The editor gets the type correctly, and I have been able to make a simple implementation: ...
1 vote
1 answer
341 views

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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30 views

Unreal 5 Strange Global Illumination Effects

As stated in the title, I am having some strange effects with global illumination. I am using Lumen, and I have no active post process volumes (I have one which is set to "editor only") I ...
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0 answers
39 views

clion.sh does not exist

I have Unreal Engine in Linux launched with ./UnrealEditor This file here ...
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1 answer
55 views

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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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 ...