Skip to main content
Game Development

Questions tagged [unreal-4]

Ask Question

Unreal Engine 4 is a professional suite of tools and technologies used for building high-quality games across a range of platforms.

685 questions
Newest Active Bountied Unanswered
Filter by
Sorted by
Tagged with
2 votes
0 answers
62 views

How can I deal with the problem of lag when loading Datasmith files at runtime? When I use the load file node in the DatasmithRuntime plugin to load the scene, ...
MA__AM's user avatar
  • 21
1 vote
1 answer
254 views

Problem definition: I have an AI (zombie) that is destroying a special object to reach a specific location. The object is stored as a blackboard value and is a child actor of a NavLink(To trigger ...
Imantion's user avatar
  • 21
0 votes
1 answer
77 views

How to just export the light I animated to blender as I have to blend the two renders together with same light-intensity animation?
softyoda yoann's user avatar
  • 101
0 votes
1 answer
166 views

I'm working on save game system and I want to restore the level on load (or open the one from the save game) The only problem is once I use the open level node the rest of the properties don't get ...
ahmed's user avatar
  • 1
0 votes
1 answer
307 views

I'm trying to set up a system in UE4.27 where I can switch between 2 characters. It works but when I tried to include a camera blend, it still switches character but the camera just jumps and doesn't ...
Kevin Nisbet's user avatar
  • 3
2 votes
1 answer
2k views

Question How can I safely reduce the size of an Unreal Engine project for backup without losing essential data? I need to back up my Unreal Engine projects, but each project takes up at least 100GB of ...
MGY's user avatar
  • 160
0 votes
0 answers
140 views

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 ...
grouptout's user avatar
  • 101
22 votes
9 answers
23k views

I'm starting to learn Unreal Engine 4. Every time I use blueprints, I think "that's not right" and I need to use C++, but there are not as many tutorials with c++ code. So, is it ok to use ...
mendzek 's user avatar
  • 339
0 votes
1 answer
129 views

I am trying to implement a zoning system like the district tool in Cities Skylines (see screenshot below). The player is able to draw/modify/erase zones with a brush tool. Internally, I represent each ...
sqd's user avatar
  • 111
0 votes
0 answers
251 views

I am trying to setup NDDS on Ubuntu 22.04 which requires Unreal Engine 4.22.2. Looking at the oldest available versions of Unreal Engine for Linux, I don't find 4.22.2. What do you suggest to do? The ...
Mona Jalal's user avatar
  • 101
0 votes
0 answers
37 views

In the following image, you can see the camera settings of Unreal Engine. Suppose you have a scene. How can I setup the camera dimensions to match perfectly, and ready to export, an Amazon ebook ...
M.N.Raia's user avatar
  • 101
0 votes
1 answer
144 views

How do I in game dev build debug console: list scene meshes remove exact mesh causing perfomance hit? tried: show StaticMesh removes all meshes https://docs....
jonny's user avatar
  • 101
1 vote
1 answer
237 views

For some reason it applies full damage even when actor to damage is further than 100.0f from the MainDamageSphere. What can be the problem? I'm checking for damage with the usage of overriden "...
JohnTheRipper's user avatar
  • 21
1 vote
0 answers
237 views

So, I am using FHttpModule to initialize my HTTP request and set different parameters to it. Like this : ...
Karan Bobade's user avatar
  • 11
0 votes
1 answer
2k views

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
  • 101
0 votes
1 answer
116 views

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 ...
Boneco Sinforoso's user avatar
  • 681
0 votes
0 answers
50 views

I learn game engine development and I was interested to work not only with box and sphere meshes also with a large model with difference meshes and textures in this model. I bought a 3d model. The ...
Andrey Klimenko's user avatar
  • 11
0 votes
1 answer
125 views

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
  • 103
0 votes
1 answer
123 views

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
  • 103
0 votes
0 answers
55 views

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 ...
Apothem Da Munster's user avatar
  • 1
0 votes
0 answers
403 views

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
  • 53
0 votes
1 answer
389 views

I am developing a plugin to stylize videos and images rendered through Movie Render Queue. What I want to do now is capture the image processed by Movie Render Queue at runtime and stylize the images ...
Techpreneur's user avatar
  • 1
0 votes
0 answers
1k views

I have been trying to create a material like this in Unreal Engine 4.27 but I can't seem to find any resources on how to do this. The goal is to use this material on any 3D model to give it ...
FrankieS's user avatar
  • 1
1 vote
1 answer
1k views

I've been trying to make a function similar to "Find look at rotation" but with an offset. Imagine I have a pivot and an object attached to that pivot with some location and rotation offset. ...
Luka Glisic's user avatar
  • 21
1 vote
0 answers
479 views

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
  • 111
0 votes
1 answer
2k views

I've got a file that needs to be TGA for technical reasons. In that file, I've got two boxes in the lower half, just right of center, that need transparency. One is for glass (upper, fully transparent)...
Chuck's user avatar
  • 249
1 vote
0 answers
122 views

I'm working on a game in Unreal Engine 4 where I have a similar set of blueprints. Each blueprint exists in a scene with trees and a night sky, so I want to be able to have such a scene load by ...
DonutGaz's user avatar
  • 135
1 vote
1 answer
3k views

In Unreal Engine 4.27 I am currently trying to create a material (shader) that maps a texture onto a quad using the screen space coordinates from a specific camera. If I am using the current active ...
Benjamin Danger Johnson's user avatar
  • 897
1 vote
1 answer
2k views

Whenever I try to package my project for Android I get this. Z:\app\src\main\java\com\epicgames\ue4\WebViewControl.java:122: error: cannot find symbol My setup: ...
GEO's user avatar
  • 13
0 votes
1 answer
6k views

I am trying to package android project in UE4.27. And getting this I tried changing environment variable _JAVA_OPTIONS: -Xmx512M -Xms512M not worked. Where can I change MaxHeapSize, please tell me ...
GEO's user avatar
  • 13
0 votes
0 answers
465 views

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
0 votes
0 answers
161 views

I have Save/Load functionality where I use LoadGameFromSlot, SaveGameToSlot and SaveGame ...
Amazing User's user avatar
  • 103
0 votes
1 answer
305 views

I am trying to align a non physics vehicle to the same angle as the floor, using blueprints in UE4.27 At first, I used normals, but this has undesired effects when going over things like speed bumps. ...
agreenleaf's user avatar
  • 1
0 votes
0 answers
168 views

So currently I have multiple levels in my game, and at the end of each level you automatically get teleported to the next level by a load level trigger, I am wondering how to implement a timer which ...
Nostradamus's user avatar
  • 1
0 votes
1 answer
130 views

I am interested in learning Unreal Engine. What kind of game should I aim to build as a beginner which will teach me the most? Thanks.
Nazmus Saqueeb Ashrafi's user avatar
  • 3
1 vote
1 answer
301 views

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?
KiynL's user avatar
  • 111
0 votes
1 answer
2k views

recently I’ve been working on a system that would allow the player to swap out one character for another with a touch of a button. So far I’ve just been trying to focus on switching to one character ...
Hungry Moogle's user avatar
  • 11
0 votes
0 answers
376 views

I'm trying to make a pinball game in Unreal Engine with blueprints, but the high score does not save. You have 2 lives while playing, and after the game ends this save game function executes. The game ...
UE GameDev's user avatar
  • 1
2 votes
1 answer
385 views

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 ...
Tyler's user avatar
  • 123
1 vote
1 answer
726 views

As the title suggests. I have made a level for Unreal Engine. It uses RectLights in the ceiling without any directional lighting. There is a Lightmass Importance ...
I_Keep_Trying's user avatar
  • 355
1 vote
2 answers
2k views

I am new to unreal engine. Whenever I add a new class on unreal engine and open it in visual studio 2022 the intellisense doesn't seem to work for instance if I write #include "" it does not ...
Nomi's user avatar
  • 33
2 votes
2 answers
756 views

I've got a background in C++ but completely new to game dev, Unreal, and ECS. Recently, I learned about ECS and fell in love with the resulting project structure and theoretical reduction of spaghetti ...
mrg95's user avatar
  • 121
0 votes
1 answer
55 views

To avoid gimbal lock, I use quaternions for my rotations. For example, to roll I use this function: ...
Olexy's user avatar
  • 103
1 vote
1 answer
115 views

I'm creating a minimap for my game. There is a mission where the player has to escort an NPC to an area. The minimap shows the player, the NPC and the location. The NPC icon sends an arrow from it's ...
Dave's user avatar
  • 31
0 votes
1 answer
601 views

I have been experimenting with Steamworks SDK and Unreal Engine. I have managed to successfully code the connectivity part (ie. I can connect to a Steam Lobby with several players and it will then ...
I_Keep_Trying's user avatar
  • 355
1 vote
0 answers
1k views

I have imported a TTF font on unreal engine. At first I just let unreal engine create the Font asset automatically, but when I try to create a material with that font it gives me a warning telling me ...
Shirofuji's user avatar
  • 11
1 vote
0 answers
38 views

I am looking to use blueprint nodes described as Low-level calls in the documentation such as this one https://docs.unrealengine.com/4.26/en-US/BlueprintAPI/Game/Cinematic/JumpTo_Frames/ but I can't ...
Francesco's user avatar
  • 111
1 vote
2 answers
3k views

I have an actor class which have a FName UPROPERTY and also an array of strings loaded from config. I need to select a value from that array in editor details of that actor and assign it to that ...
Robotex's user avatar
  • 251
1 vote
0 answers
117 views

I seem to have writing working fine now. But I am running into odd problems reading the data back. I want to iterate over the files so I tried this but I got an error in the log stating something ...
Jason Crosby's user avatar
  • 409
0 votes
0 answers
45 views

Unreal 4.27, newbie and experimenting, will switch to 5 if supporting features are not available in 4. I have a light on the left side of the room pointed toward the right side. In the middle of the ...
JD.'s user avatar
  • 101

1
2 3 4 5
…
14