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Questions tagged [unreal-4]

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

685 questions
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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
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1 vote
1 answer
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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
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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
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1 answer
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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
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1 answer
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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
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2 votes
1 answer
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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
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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
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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
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1 answer
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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
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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
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0 answers
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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
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1 answer
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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
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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
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So, I am using FHttpModule to initialize my HTTP request and set different parameters to it. Like this : ...
Karan Bobade's user avatar
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1 answer
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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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