Unreal Engine 4 is a professional suite of tools and technologies used for building high-quality games across a range of platforms.
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21 views
How to place planes for each face of frustrum in Unreal engine?
How to place planes for each side of frustrum from a Blueprint ?
How to get the rotation and size for each side of camera frustrum from Bleuprints ?
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0answers
15 views
How to add a vehicle to kite demo using blueprints?
I'm just messing around a little in Unreal Engine, and I'd like to add a drivable vehicle to the kite demo map, I've migrated the blueprints and the assets of the vehicle from the advanced vehicle ...
2
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2answers
71 views
What kind of data structure to use for planetary populations?
I am in the process of building out the prototype for my space strategy game, which is focused on empire building type gameplay.
One of the most important elements of the game are the various planets ...
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1answer
29 views
Unreal - AI's can't target buildings
After following some of the Unreal tutorials, I was able to create an AI that tracks the player. Now I want it to target specific buildings. I have tried various methods of modifying what was ...
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1answer
27 views
UV mapping in blender for use with Unreal Engine material
I have a room that I want to import in Unreal Engine 4.
When I do it, I apply a material to the walls (for example), and the walls look like this:
My question is, how can I map the object to the ...
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vote
1answer
30 views
Making icons for a Google Play Store game
I'm a little confused.
I've created a game using the Unreal Engine and I plan to publish in about a month. I knew my app needed an icon, but I was on Google's developer site yesterday and I saw a ...
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0answers
29 views
Why do my particles appear darker the farther I get from them?
I've created the following material:
I've set up a particle system that places that material around like a cloud:
Up close, I'm getting the result I expect:
But if I go far enough, it looks ...
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vote
2answers
44 views
UE4 C++ Variables in my custom class change for no reason after a while
I've made a class extending UObject to store player stats, and provide some static utility functions and variables.
It gets instantiated in my PlayerController:
APuzzleProjectPlayerController::...
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1answer
42 views
Display a variable in the UI
I have been searching and searching for an answer to this question but nobody seems to be helping me. I have wasted the past two hours trying to figure out how to do this, so please help me out here.
...
16
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1answer
2k views
In Unreal, what are the differences between C++'s float and FFloat32?
I have been trying to learn some deeper aspects of UE4 and while reading many examples codes and also the source base of the engine, I noticed that sometimes people (and the very source code) use the ...
1
vote
0answers
35 views
Why do I get white highlights at the edge once light build complete?
Whenever I build my lights in Unreal, why do I always get white highlights at the edges? I can't seem to solve this. I get this problem with both static and stationary lights. Can someone please help? ...
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0answers
44 views
Access to mesh in Unreal Engine 4
Suppose we create simple Actor class and we give it some primitive shape - sphere, for example. I would like now to access the mesh data from the level of C++ class - all vertices, triangles etc - and ...
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0answers
45 views
UE4 Huge texture not rendering on Android
So i'm using a "Shape_plane" from the starter pack and i set the scale to x=500, y=500, z=1 and i set the texture to a map of my collage and on my computer it looks like this
But on my phone it ...
2
votes
0answers
28 views
In UE4's Blueprints, how do I activate something when the player looks at it?
I want to make an object that activates when the player presses a button, then looks at it. How can I do this using Blueprints Visual Scripting?
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0answers
32 views
How does Unreal Engine 4 manage received user input?
I have developed an application which runs on my laptop (the client). This client-application captures key presses and sends them via UDP to another application, which is running on a remote machine. ...
0
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0answers
71 views
UE4: Multiplayer Projectile Hit Detection Problem
I'm trying to do Projectile Hit detection in multiplayer game. I'm using next approach:
On the server side I'm storing all character's positions with world timestamp(PositionUpdated method).
When ...
0
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0answers
50 views
Installing a .apk file made by Unreal Engine 4.12.4 Error
When I try and run this installer that the UE4 packager created i get this error message
And yes i do have an SD card (Put into the tablet only today), yes the dev options do look "ok" i guess and ...
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0answers
32 views
View the path a AI is walking along in Unreal Engine 4
I'm using unreal engine 4.12.4 and I want to be able to see the path that an actor will use when i trigger "Simple Move To Location" and i want to see the path as a line in game for testing.
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1answer
105 views
How to test an android game made in Unreal Engine 4
I have made a android game in unreal engine 4 version 4.12.4 and I want to test it on a real android device and i do have an android tablet but i don't know how to get the exported project onto the ...
0
votes
1answer
46 views
UE4 - openGL context
Is there a way to get an openGL context to do my drawings in UE4?
I'd like to use some shaders before the loading of a scene (kind of an intro thingy), but I couldn't find anything related to get an ...
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0answers
66 views
UE4 Navmesh precision
I'm trying to make my very tiny man pathfind his way through a map of a school but the navmash won't recognize some of the hallways cause they are very narrow like this.
So as you can see the man ...
4
votes
0answers
65 views
Emissive material not casting light on itself in Unreal
I have a static mesh that has an emissive material applied to part of the mesh. The emissive material successfully cast light to surrounding objects. However, the face of the mesh with the emissive ...
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0answers
19 views
Awkward shape causing issues with join, from Blender to Unreal Engine 4
https://imgur.com/a/sQzLG
^ - the pictures should tell more than I can with words.
I've created a shape that is best described as a "Tetraforce." It's a 3d object made out of 4 regular tetrahedrons.
...
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2answers
33 views
rough texturing on edges of mechanical parts
How do major studios fake the effect of "wear & tear" on the edges of guns and other things? I've always wondered this, but today it got to the point where I figured, why not just ask you guys. I"...
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0answers
15 views
Free for use 3d models / meshes for use in UE4 [duplicate]
Does anyone know a good place where I can get free 3d models or/and meshes that work with UE4? because so far i can't find any good sites that are free.
3
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1answer
135 views
How can I fire a bullet from an actor's position?
I want to shoot a bullet from an actor.
I know I need a location in space to fire a bullet from, which I've got in the form of a model set as an actor. Now I need to create a new object (in this case,...
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0answers
47 views
UE4 “get” and “set” component without using an actor specific reference
i'm using Unreal Engine 4 and I want to get the variable mode from some actors by referencing them but the only option that i can find in the menu is actor specific like this.
So what i want is a ...
3
votes
1answer
97 views
How can I facilitate communication between “attack” and “movement” components?
I'm currently programming in Unreal, but this is more of a component oriented design question.
I'm trying to follow a component driven aproach, and I have currently achieved creating a movement ...
2
votes
0answers
114 views
UE4 Gear VR won't “lock to HMD”
the problem:
"Is Head Mounted Display Enabled" seems to always return false on samsung Gear VR.
so the camera is not locked to the HMD and it will use the default camera's not the ones for hmd.
the ...
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votes
0answers
49 views
How do I draw paint splotches on a skeletal mesh in Unreal Engine?
I'm trying to draw paint splotches on my player's skeletal mesh whenever a projectile hits them. I'm using Blueprints.
I have made the paint splatters work on the environment using decals. However, ...
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votes
0answers
45 views
(UE4) Mobile Social Networking
I am currently creating a simple game with the Unreal Engine 4(.11 if it helps) and I would like to be able to link it to social media (facebook, twitter, etc) so that players can share their high ...
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0answers
289 views
How to setup Steam VR Controller models and behavior in Unreal Engine?
I want to preface this question by stating I am somewhat new to Unreal Engine. I googled for a solution to this, but no avail.
So I am setting up a bit of a sand box project in Unreal Engine to get ...
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0answers
21 views
Many-to-one and feedback loop connections allowed in UE4 blueprints
Under what circumstances is it allowed to connect:
Multiple execution output ports (those with the blank triangle) in
different branches to one single execution input, effectively
merging the ...
3
votes
1answer
160 views
Why do I get “UObject” has no member “BeginPlay” errors?
I loaded up UE4 to work on a new project. I created two C++ classes, one for a bullet, one for a cannon. Upon loading into Visual Studio 2015 I immediately get the error:
"UObject" has no member "...
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votes
1answer
100 views
UE4 Blueprint OnActorBeginOverlap not working
I am following the tutorial here entitled "Making a Pickup". I have created a Blueprint class from the Statue SM:
I have set the SM Collision Preset to OverlapAll per the instructions. In the Event ...
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1answer
38 views
UE4 Try Get Pawn Owner Node Location
Where is the Try Get Pawn Owner node located in BP? I can't find it anywhere. I'm following the answer here but cannot find this node anywhere. Using version 4.11.2.
Thanks!
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votes
1answer
62 views
How can I fix the face/normal direction of my 3d mesh in blender/UE4?
So I am playing around with UE4 to make some concept art for a game. I extracted the model I wanted to use from the game's files and imported it into blender. It's a tank with 4 parts: the hull, the ...
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0answers
97 views
How does the Unreal Engine transaction (undo/redo) system work?
I would like the transaction system to handle the create/update/deletion of some custom objects.
Then I can proceed as follow:
// Create custom object:
GEditor->BeginTransaction(FText::FromString(...
5
votes
2answers
247 views
Can I use fonts under C:\Windows\Fonts for text in my game?
I'm using Unreal Engine and their UMG system which comes with only one font by default ("Roboto").
The engine allows importing new fonts so I'm wondering whether I can use the fonts already available ...
0
votes
0answers
19 views
Unreal Engine Physics creation is slower in Editor
I just figured out that when UPrimitiveComponent::CreatePhysicsState() is called, it calculates the mass, but only in editor, also when i build for non-editor it is faster (standalone) this is not ...
1
vote
1answer
35 views
Aggregated assets from demo projects in UE4
Unreal engine allows you to download demo projects under the "Learn" tab of their launcher.
How do I access the resources and assets used in these projects in an aggregate form?
To put it simply, ...
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votes
0answers
70 views
spawn object from random instance of actor ue4
exactly what it says on the tin. I want to have the game count the number of a given object in the scene, set the objects into an array, select a random object from that array, and spawn a mob.
I am ...
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0answers
34 views
What exactly do engines such as Unreal Engine (and other game engines) actually do for you? [duplicate]
Do engines such as Unreal Engine (and other game engines) cut out the need for programmers and just make it needed to have an animator or do they just help animators?
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0answers
25 views
Downloading levels in UE4
I'm a total newbie to UE4. I need to make a game which downloads levels, actors, materials etc. every time it starts from the web. What is the best practice to do that? Is it possible using UE4 only ...
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0answers
81 views
Unreal Engine - How can I add blur effect at my Camera in iOS
I have requirement to add blur effect at my camera in specific point , it work just fine in pc but when I deploy in my phone it remove the effect
According to documentation
To turn off Depth of ...
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votes
1answer
54 views
How can I use tilt sensor in iOS iPad to steering a car
I am absolute beginner with unreal engine , I am working in car race project
here is my situation : I need to navigate my car in left and right direction using tilt
Here is what I do I read tilt ...
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0answers
30 views
How to integrate a dresser with movable drawer in UE4?
I modeled a dresser in Maya. Right now it is divided in 19 objects. The drawer faces are copy and have their own unique place in the UVs and the knobs and back drawers are instances and are stacked on ...
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0answers
126 views
UE4 -> HTML packaging not working
In the UE4 editor, if I try to package a project via File -> Package Project -> HTML5 option it creates the package, but doesn't work. A black screen shows up when I try to run the project's HTML file ...
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0answers
165 views
Unreal Engine - Why is the size of even the most minimal HTML5 project ~ 155 MB?
I created a new project in UE4 (ver 4.10.4) with "no starter content" and "scalable to 2D/3D" settings. Essentially, there are a total of 5 assets in the project 1) floor, 2) light source, 3) sky ...
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0answers
164 views
How to load new scenes or models from network in unity or unreal engine?
I have a project to be done. I had done some research to accomplish some features. Event so, I couldn't find some answers.
The project needs to have some features as follow;
Charachter creation in ...
