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Questions tagged [unreal]

The Unreal Engine. Not to be confused with the free UDK.

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38 views

How to setup input for local multiplayer without split-screen in Unreal Engine 4

To bind actions and axes in the character blueprint class, I may have multiple such character instances for each new APlayerController. Merely 1 Action Name (e.g. avoiding ...
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0answers
15 views

Incorrect shading after building light

Whenever I build light in Unreal, the light doesn't seem to reflect off of objects correctly. This seems to happen with basically anything I import into the engine (I use Blender for all my meshes) [...
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43 views

how to make AI do jump on navigation mesh system?

hi :D i'm currently using unreal for make a sand-box game for learning purpose. and due to the unique attribute of sand-box game, i am looking for how AI move naturally on map (which changes so often)...
4
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1answer
88 views

Linking Unreal Engine with OpenCV libraries built with RTTI on Linux

Unreal Engine has a plugin for integrating with OpenCV. Currently that plugin works on Windows. I'm trying to modify this plugin to work on Linux. I've worked through many issues but I have one I can'...
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1answer
246 views

Convert global 3d coordinate system to a local one with specific direction

Imagine a (x,y,z) coordinate system within a solar system, with (0,0,0) beeing the center of sun where Z axis goes thru both solar poles. I'm standing on a planet inside a house within that solar ...
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0answers
50 views

Using DualShock 4 motion sensor in Unreal engine (windows)

Anyone know how to access the gyro/accelerometer values from a DualShock 4 controller in the Unreal engine (under windows)? Are there any plugins that do this? Does raw input work?
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59 views

Unreal Engine 4, import landscape mesh

I can export the landscape of UE4 (File -> Export Selected -> .obj / .fbx) and load a landscape, for example, in Maya. But how is the modified landscape loaded back into UE4? Otherwise, how to import ...
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1answer
73 views

Lighting in Unreal is not fluid, lighting changes drastically at object “borders”?

I used the starter content's wall objects, an atmospheric fog, a directional light and this is the result: As you can see, it's obvious where the new object starts. Why?
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1answer
61 views

Manipulating time in Unreal messes up Physics simulation?

I'm trying to achive a Super Hot like gameplay, where the time only flows when the player moves. But when I stop time, then restart it, physics simulation will be messed up. Like: Cloths starts ...
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2answers
103 views

Multiple errors on brand new C++ project

I've just started a brand new project and created a created a new C++ Character class. However Visual Studio 2017 shows 140 errors. The project still builds fine, however the syntax highlighting and ...
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0answers
56 views

Using Unity/Unreal as graphic engine while programming the game externally [duplicate]

My favorite language is C++ and I feel most comfortable to stick to it. I made a game in C++ primarily using the console output as a graphical interface: somewhat like that of dwarf fortress. ...
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1answer
53 views

How can I fix texture clipping in Unreal 4?

I made a small project testing out mini-maps, it worked fine, I left it alone for a few months and reopened the project, and now I'm getting this: I'm not even sure what to call this kind of issue ...
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95 views

Stop time when the player is stopped, advance time when the player moves

I started modifying the basic first person shooter template with some time stopping mechanics, and this is what I came up with: ...
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1answer
164 views

How to change the time dilation using C++ in Unreal Engine?

I searched a bit and found a blueprint solution which does this but I've just started using Unreal and I prefer C++ instead of this visual programming thingy. I'm looking for a Unity-like ...
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2answers
46 views

Sprite brighter than texture

I have imported a new texture into UE, and have created a new sprite. I have setup the material of the sprite as follows: I have also set my texture as texture-parameter. But my sprite renders ...
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1answer
130 views

How to return reference from BlueprintImplementableEvent?

I've got a C++ component and I want to have function which will be implemented in Blueprint like this: ...
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0answers
104 views

Korean localization does not work after packaging the game in UE4

Works perfectly fine when I launch my game from the Editor. But the moment I package it the translations gets entirely weird. It shows a same Korean character repeatedly instead of showing the actual ...
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1answer
27 views

UE4 opens C++ project the second time

When I create new C++ Project (Base Code), UE4 opens only code editor (MS VSCode). Then when I close code editor and I open this project, UE4 opens its editor. Why?
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0answers
78 views

Development decision: how to proceed regarding OpenGL [closed]

There is a 3D app developed by someone with OpenGL almost 2 years ago. The development is not finished by the previous developer and I'm assigned the task to finish it, based on customer requests. I ...
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1answer
215 views

Object movement in Unreal using BPs and input touch and ARCore

So I am trying to move an object in Unreal through input touch using ARCore. The problem is that I can't use the simple Screen to world position because it just returns a world position wherever the ...
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0answers
100 views

Does Unreal Engine comply with Nvidia Control Panel settings?

I tried setting DSR (Dynamic Super Resolution) in Nvidia Control Panel (DSR - factors set to 4x and DSR - Smoothness set to 33%) to get better anti-aliasing quality in Unreal Engine 4, but as it ...
1
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1answer
105 views

Native crashes on UE4 android game only in distribution build

As I build my game for development mode and install it directly from apk file to my device, it runs without errors and doesn't crash, there are in-game ads and it is able to get variables from game-...
3
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1answer
77 views

How can I handle a transition into building interiors?

I am trying some stuff on Unreal Engine to make something approching games like Commandos series. But for now, I'm stuck with something I can't figure how it is done : How are building interior ...
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0answers
64 views

Steam Controller Interface in Unreal 4.19?

As I understand it, you're supposed to use Unreal's Online Subsystem when doing anything with the Steam SDK. However, when I look into the available interfaces (Engine/Plugins/Online/OnlineSubsystem/...
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1answer
242 views

Overlay an Image on Screen in Unreal

I need to overlay an image on the screen, the whole screen. The process would be like: A screenshot is captured by the camera. It's blended with another image and the resultant image is displayed on ...
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1answer
188 views

Can I use Unreal assets store assets in other Engines?

Unreal recently released a lot of assets from their game Paragon for free; I like some of them but am not particularly fond of the Unreal Engine. Can I use those assets in another engine like Unity ...
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0answers
246 views

Unreal 4 tilt functionality in blueprints

I have created a labyrinth style game in Unreal 4 Blueprint Visual Scripting. The idea is simple. Navigate the ball through using the android device's tilt function. I set up the tilt functionality ...
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1answer
100 views

Unreal engine project not responding to key binding changes

I'm getting started with learning Unreal development, and I've created a new project based off the FPS C++ template. I've changed the key mappings inside the DefaultInput.ini, rebuilt the Visual ...
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1answer
354 views

HUD Text not displaying/drawing

I am trying to use blueprints to display my character's speed using a HUD, but for some reason the text is not displaying. What am I doing wrong? I am using the First Person template.
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0answers
43 views

What is this controllable black object appearing in my scene?

I am following the 'Blueprint and C++ Integration in Unreal Engine 4' course on Pluralsight as a project in my CS class. I am at the end of the course, and I have the BP_PaddlePlayer BP implemented, ...
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0answers
118 views

Alternatives to bloom for glow?

I am making an android game. Mobile phones are usually very limited in graphics capability and so I do not want to use standard post-process bloom due to performance drawbacks. However I do want to ...
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0answers
366 views

What include first if I want to comply IWYU(Include-What-You-Use) in Unreal Engine 4?

I read this article. https://docs.unrealengine.com/latest/INT/Programming/UnrealBuildSystem/IWYUReferenceGuide/index.html It says "IWYU mode is enabled by default for the Engine and Engine plugins." ...
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1answer
412 views

In Unreal4, Can I use switch case in C++ with FString?

I'm making XML parsing code with FXmlNode. I want to iterate through GetChildrenNodes(), and use switch-case with FString which is return value of FXmlNode::GetTag(). Is there someway to do that? Or ...
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1answer
125 views

Can my 2008 MacBook run Unreal Engine 4? [closed]

I'm really excited about UE4 and it looks like a lot of fun. The only computer I have though is a MacBook Late 2008 aluminum (tech specs). I can upgrade it to El Capitan, so it will meet the OS ...
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1answer
41 views

Unreal point light error message

How to fix this issue with point lights ?
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2answers
44 views

Tag object in map in Unreal

Is there a clean way in unreal to place text in the map to tag different buildings and areas for developper that can easily be turned on/off for all the tags in the map?
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0answers
41 views

Unreal box brush for static mesh

Is hollow additive box viable for a room object in a game? With this method I can have only one object for a room. Or is it better to scale box brush along z and make floor and walls ? With this ...
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1answer
132 views

Radial/circle placement of meshes [closed]

How to place 10 static meshes in circular pattern so they are equaly aligned from the center ?
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1answer
37 views

Unreal installation and storage space requirement

I am a new user of Unreal. I installed the program on Windows 7, and after using it for awhile I noticed that the C:/ partition was filling up very fast as I worked on my projects. I store my projects ...
3
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0answers
673 views

Engine for 2.5D Voxel Based City Simulation [closed]

We're looking into making a game where you're part of a city and you're interacting with its economy and people. The world should be an open and procedurally generated sandbox to enable players to the ...
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1answer
145 views

Running an Existing Game Inside of Unreal Engine

Goal Be able to add an overlay (a webcam feed with greenscreen processing) to an existing VR capable flight simulator so that the user can see their physical controls and the sim utilizing green ...
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1answer
360 views

Issue in using Set Integer (by ref) in Unreal Engine 4.16 blueprint

I am trying to set the value of an integer by reference in a macro created in my blueprint script. The macro does a simple conditional check of an integer and increments it if it is less than a max ...
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0answers
33 views

How to pass values in UE2Runtime to UnrealScript?

We have a game that launches via vbscript and calls UE2Runtime: ...
1
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1answer
958 views

How to increase vertical Nav Mesh detection for AI Actors? Using Default Query Extent?

For my swimming AI, I wish to use a Nav Mesh, so they may avoid obstacles and swim up and down - preferably. I figured I should try to solve this with a nav mesh, since UE4 has kindly implemented it ...
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1answer
813 views

undeclared identifier UBoxComponent

I have created an Actor C++ component "PickUp". But there are few lines that are throwing errors. I have declared UShapeComponent, UStaticMeshComponent, USceneComponent, OnPlayerEnterPickUpBox() ...
1
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1answer
2k views

What is the Default Pawn class and what is used for in Unreal Engine?

I'm newbie in Unreal Engine and also in games development. I have developed my own version of Pong game (sources here) and I'm confuse with the behaviour of ...
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2answers
149 views

How do developers implement custom systems (lighting, physics, etc.) in premade game engines that already have these systems, like Unreal or Unity?

Unreal has built in systems for stuff like lighting, for example. If a developer wanted to create and use their own lighting system in Unreal, how do they go about doing that? Or are these systems ...
1
vote
1answer
429 views

How to make my animation play once?

In 3ds max, I've made a Cannon that sets itself up, but I only want this animation to play once, here's where I'm trying to make it loop only once: When I click the toggle at the bottom, it stops the ...
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votes
1answer
34 views

Error C2010 | (Variable) Unexpected in a marco formal

Don't hate on me I'm new to unreal engine :( Other errors I got when compiling: Not instance of ADD_INTERNAL_DYNAMIC matches the argument list DECLARE_DYNAMIC_MULTICAST_DELEGATE_Threeparams marco ...
2
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1answer
1k views

Unreal engine how do I change the visual studio version without having loaded up a project?

I get an error which I mentioned in a previous post. I did a little more research on this error and found out that I need to use an up-to-date visual studio. I think that I might need to change the ...