24 votes
Accepted

How does Unreal Engine 5's Nanite work?

I'm no expert, but since no one else has jumped in, I'll do my best to summarize what I gathered. First, here are the descriptions of Nanite directly from the Unreal folks: "A Deep Dive into ...
Daryl's user avatar
  • 356
4 votes

Triggering Enhanced Input Actions via inputs with modifier keys (Shift/Alt/Ctrl) in UE5

After doing some more research and implementing a solution that does work for me, I feel confident to be able to answer my own question. Unfortunately, the answer is: It's as cumbersome as already ...
Simon Fischer's user avatar
4 votes

Can I contribute code to an Unreal game without running the engine on my system?

Code is just text files. You could write Unreal engine code in anything that can write text - even your phone's SMS app if you wanted, but the workflow would be a nightmare. Especially as you're first ...
DMGregory's user avatar
  • 134k
3 votes

Is Unreal Engine using Monte Carlo path tracing or similar methods?

Unreal does actually include a path tracing renderer, but it's not a real time one. It serves a couple of purposes: A "ground truth" reference to help develop real time approximations to ...
Adam's user avatar
  • 7,346
3 votes
Accepted

Variable "is not blueprint visible" in function library

The issue ended up being caused by having a local variable wired to an output parameter of the same name. Changing the output parameter name resolved the issue.
Matt's user avatar
  • 375
2 votes

Can I upgrade Unreal 4.27 to 5?

You cannot upgrade your installation to 5.X, as major unreal engine versions are separate installations (i.e. 4.26, 4.27, 5.0, 5.1, and 5.2 are all their own installation). You would have to download ...
MikeS's user avatar
  • 21
2 votes

Metaverse Game - Scam?

Would an expert be able to see if the world was bought? Maybe, but unlikely. It's possible that someone familiar with Unreal Engine 5 development & the market for related engine assets would ...
Pikalek's user avatar
  • 12.2k
2 votes
Accepted

Porting Plugins from UE5.0 to UE5.1 source build causes DLL Registration Errors

I had the same problem when trying to compile BlueprintAssist in Engine/Plugin/Marketplace; this used to work in UE4, but it's ...
leetNightshade's user avatar
2 votes

Unreal Engine 5 does not use shared VRAM

"Shared" video RAM is usually most relevant for integrated GPUs, which don't have their own dedicated memory. Ideally, your dedicated GPU should not need to access shared memory, because ...
Kevin's user avatar
  • 5,465
2 votes
Accepted

Can UE5's Nanite be applied to the low poly aesthetic?

Yes to all, but with caveats. Looking at the Nanite deep dive slides, you can see that the continuous LOD breakthrough is in how meshes are decomposed into a DAG of triangle (or cluster-) clusters, ...
smallobsession's user avatar
2 votes
Accepted

Template projects missing after updating to Unreal Engine 5.0.3

It happened to me also, I solved it by accessing the engine options using the arrow down button as shown in the following image: From this menu I've selected the checkbox to add templates.
Simone Lungarella's user avatar
2 votes

Is it possible to make a 2D game using Unreal engine 5?

Yes, you can use Unreal Engine 5 for 2D games. A quick search will confirm this and there are also tutorials that will tell you how to do it. But possible and ease of usage are not necessary the same ...
Zibelas's user avatar
  • 4,171
2 votes

Imported IK Rigged FBX model into Unreal Engine makes the feet point in the wrong direction

This looks like a joint orientation issue. Simply put, the joints in your skeleton need to be orientated the same way (or as close as possible) to the mesh you intend to retarget from - there are ways ...
Eric Fear's user avatar
2 votes
Accepted

How to send an HTTP Request from an Unreal Blueprint?

After doing a quick search I found this video which says that you need to enable the experimental Epic "HTTP Blueprint" plugin, which isn't enabled by default. To enable the plugin, the ...
Adam's user avatar
  • 7,346
2 votes
Accepted

How to record high quality footage for a game trailer?

If the workload of both running the game and encoding the video is straining your system, you may want to invest in a separate capture device. This is an external device that either acts as a monitor ...
DMGregory's user avatar
  • 134k
1 vote
Accepted

Is Unreal Engine using Monte Carlo path tracing or similar methods?

Monte Carlo path tracing is more commonly used for offline renders — when you can spend between many seconds to sometimes hours rendering a single frame. Realtime games have a time budget of ...
DMGregory's user avatar
  • 134k
1 vote

Trouble adding C++ actor component to blueprint in Unreal 5

Apparently the VS solution has to be regenerated, and it's done via windows explorer and not the unreal editor. I right clicked the UE5 project file and selected "Generate Visual Studio Project ...
Nightmare Games's user avatar
1 vote

UE5 - Add texture to landscape

I fixed it by replacing the LandscapeCord (Landscape Layer Coords) Node with a Texture Coordinate node. I had to experiment with the value UTiling and VTiling until the texture was matching with my ...
Black's user avatar
  • 621
1 vote

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

Yah mate ran into the same problem. Try using a WorldRayHitQuery instead of the Input node or Get Landscape Data node. When the landscape updates it doesn't re-dirty the hit query so your graph won't ...
Alex Hogan's user avatar
1 vote

Static Niagara System for fire on a torch

With a suggestion from @dmgregory I found a solution: Local Space makes particles relative to the emitter origin. It is located under Niagara Overview Node's properties -> Emitter > Local Space.
user3272018's user avatar
1 vote

Stuck trying to build UE for iOS on Mac

I would say that the best path is to rebase your custom build of Unreal Engine to 5.3. I could build Unreal Engine 5.1 for Mac by applying the patches: ...
Alex Cohn's user avatar
  • 111
1 vote
Accepted

Trying to package an Unreal project for Windows but it builds the default demo fps map?

I incorrectly put “Stage” as the "Editor Startup Map" instead of as the "Game Default Map." So I switched the "Game Default Map" from "FirstPersonMap" to “...
ChristianOConnor's user avatar
1 vote
Accepted

error creating a c++ project in unreal

The bug definitely seems to be from the Rider link plugin. However, many posts suggested uninstall it, but, in my case, I had only uninstalled it from the plugin menu in UE. That somehow didn't work. ...
mleu's user avatar
  • 13
1 vote

BeginPlay and Tick do not work for blueprint class inherited from C++ class

The problem was that the base C++ class, from which the APocketDrill class is inherited, did not contain a call to the Super method in BeginPlay.
OMEGA's user avatar
  • 11
1 vote
Accepted

Where to Save Health on Character with Behavior Tree - UE5

Add the variable to the 'Character' blueprint, and add a variable of the same type to the tree's blackboard. In the 'task', cast to the Character blueprint the variable is stored in and use a 'Set ...
Candle's user avatar
  • 141
1 vote

How do I accomplish viewing a 2D game board in 3D space?

This may be the same as other reported errors with UE5 ortho camera preview: ...the Orthographic camera seems to be only outputting wireframes in preview mode…I did a verify and a full reinstall and ...
Pikalek's user avatar
  • 12.2k
1 vote
Accepted

Make Spherical Hole on objects in Unreal Engine 5

We can use Subtract Boolean operation on mesh to get this result. It requires a plugin "Geometry Script" (which is experimental atm). Found a good yt video that helped a lot.
Back2Lobby's user avatar
1 vote

BlueprintCallable functions not appearing in Blueprint - UE5

You have to Recompile and reload C++ code by hitting the Recompile button at the bottom of the editor:
karlingen's user avatar
  • 111

Only top scored, non community-wiki answers of a minimum length are eligible