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How to create smoke that spreads outward in all directions?
I saw many tutorials about smoke grenade but they just use volumetric smoke. I want to make something like the smoke grenade in PUBG, where the smoke spreads in all directions; how to do that?The...
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AI MoveTo always fails
I try to move a character with AI MoveTo, but it always fails. I tried to do this with a standard ThirdPersonController and a custom one. The blueprint is simpleWhen the event happens, it starts...
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How to render thin glass with proper refraction?
I want to render thin bumpy glass with refraction. But it offsets too much(look at the black frame of the glass). Looks thick.How to do thin glass refraction properly? Or is it possible to exclude...
View ArticleCan't connect to Steam using Blueprints in UE4.25
I'm following this tutorial by Unreal Engine itself, but I don't have a Steam overlay popup like I'm supposed to, (according to the tutorial.) And actually a lot of people have a similar issues like...
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How to resolve "Accessed None trying to read property" error?
Whenever I finish running the project, this error message appears:Blueprint Runtime Error: "Accessed None trying to read property jogador". Blueprint: Jogador_BP_Anim Function: Execute Ubergraph...
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How to get the actor to follow the mouse while clicking and holding?
I am trying to do the top down project from scratch.I can already get the actor to move toward the mouse click:Only I need to keep clicking several times to change its path and keep walking...
View ArticleMap with media texture not packaging
I have a simple map with a Big-sphere and a pawn inside it. I use media texture and media player to play 360 video on it. But when I try to package it for windows-64 it fails while it tries to cook the...
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How to get image component from blueprint in c++
I have a dialog screenwith character icon and I need to be able to set up this image in code. But I don't know how to access this Image component (I put material instances in...
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How to apply saturn's ring texture in Unreal Engine 4?
I'm working on a "solar system" model project. And while trying to apply saturn's ring texture which is this one : it ended up looking like this:I'm new to UE4 and this branch in general. So I have no...
View ArticleHow do I prevent camera jitter when rotating the player?
This is a problem that seems to have no reasonable answer anywhere around, yet is a commonly needed aspect of developing game mechanics.ContextI'm developing a traditional 3rd person character...
View ArticleVisual Studio not adding the header file to the Solution explorer
I'm having trouble with my Unreal Visual Studio 2019 project. I created a new header file, and saved it in the same folder my other ones are in. (I didn't add these, they were in the starter project of...
View ArticleWhy is Visual studio 2022 intellisense not working on unreal engine 4.27?
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 show me...
View ArticleWrong initial level loaded for packaged build
I am having an issue with Unreal Engine 5.2 initially loading "Temp/Untitled_0" as the level before loading the actual default level that I have set in project settings. I have the editor startup map,...
View ArticleHow to manually render with a given camera in Unreal Engine 4?
I would like to render with any camera at any given time for a Portal clone project.There's a USceneCaptureComponent2D but it renders the whole scene to a texture.I don't need to render the entire...
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WebViewControl.java:122 cannot find symbol when packaging Unreal 4 game for...
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 symbolMy setup:Android SDK build tool: 31.0.0NDK:...
View ArticleHow can I edit collisions in Unreal Engine?
I made a concave house model. When I import it to Unreal Engine it generates a simple box collision that covers the full mesh. I need a collision that only covers the walls. How can I generate one or...
View ArticleCreate and configure new Niagara Emitters from C++
I’m trying to create a magic system that lets the player add spells and modifiers to a spell stack and combine them following a set of rules, creating new spells in the process (that maybe can be...
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Install Unreal Engine 4.22.2 on Ubuntu 22.04
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...
View ArticleUsing UPawnMovementComponent to control a Pawn with Keyboard sharing code...
I've just started to learn Unreal and reading the tutorial Components and Collisions I have found that they use the UPawnMovementComponent to control their Pawn.Before reading this tutorial I have...
View ArticleLow FPS in Unreal engine, but GPU usage is low as well
I am running an Unreal Engine 4 project which has many high quality assets. My computer is fairly strong:CPU: AMD Ryzen 5 3600 6-CoreGPU: GeForce RTX 3060 SSD: Lexar 500GBNM610 M.2 NVMe SSDRAM: 2...
View ArticleDeproject Screen To World Coordinates (Unreal Engine 4.15)
I am working on a small game in Unreal Engine 4.15 using blueprints only and encountered a behaviour I don't understand. The game is based on the Top Down Example. As I'd like to teleport an actor to a...
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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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Strange lighting/shadows in Unreal Engine game (shadow suddenly gets darker...
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 Volume and Post Processing.I show GIF...
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Why do my axis mappings to remap the MoveForward and MoveRight keys not seem...
Since I have an azerty keyboard instead of a qwerty one I'm trying to remap wasd to zqsd for the in-game playing in Unreal Editor 4.27.2.I've started a new blank c++ project with starter content. Then...
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How do I render zones like Cities Skylines district tool?
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...
View ArticleDo real game developers use blueprints, or do they always use C++?
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 blueprints...
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UE4 Blueprint Multiplayer Spawning Issue
I'm attempting to copy/modify the MultiplayerShootout project's multiplayer functionality for my own project. I'm running into issues when Player 2 joins a running session though. Finding it very hard...
View ArticleHow can I change the game executable name to something other than UE4.exe?
I have a game and when I export it it is called Bounced! but in windows task manager the process appears as UE4.exe but with the logo of my game, how can I change this to Bounced.exe?
View ArticleHow to continue with Unreal engine after crash?
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...
View ArticleIs it possible to use the Unreal Engine as a big C++ library, without using...
I want to write a game entirely in C++, but I would like to profit from the possibilities offered by the Unreal Engine, especially in terms of graphics and physics. Nevertheless, I strongly dislike its...
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