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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2answers
97 views
What game engine is good for a beginner?
I had googled a bit and found mostly people use C++ and Lua to write games.
There're tons of game engines out there. Which one would be easier and good for a developer's career?
I have found some ...
0
votes
0answers
56 views
How to draw projectile arc between point A and point B
I don't need any physics computations.
I just need to draw a parabola between two points in 3D.
I have already drawn a simple example from point A:
for (float param = 1; param < 3000; param += 2)
...
0
votes
2answers
25 views
What do you do with “Player Start” and “Pawn” objects when setting up the default VR game in Unreal?
I followed the setup tutorial provided by Unreal from here but after setting up the pawn and the VR_GameMode you don't do anything with them. They are never added to the scene or anything and the ...
0
votes
1answer
29 views
Unreal Engine 4 Android Building Error
Android Launch error
My sdk settings:
LogPlayLevel: UnrealBuildTool: Preparing native code for debugging...
!LogPlayLevel: UnrealBuildTool: UnrealBuildTool Exception: ERROR: D:/Program Files/NDK/...
1
vote
1answer
45 views
Unreal Engine 4 - How to avoid blocking game thread when saving file to storage
I'm working on a gearvr app and trying to download an mp4 (aprox 250mb) and save it to the device.
It seems the save operation blocks the game thread, which causes the rendering to freeze for a few ...
0
votes
0answers
23 views
UE4 C++ Level Gen Collision not working
I'm using UE4.13.2
And seem to be having a problem with Level Generation.
for some reason i'm getting overlapping occure and i can't work out why.
Some Variables you need to know about
roomtoSpawn ...
0
votes
0answers
8 views
How do I move a landscape spline tangent on more than one axis?
I've made a track using the landscape tool and landscape splines, but I can only move the spline along the Z axis. I can't move the spline along the Y axis, to change the curvature of the track ...
-1
votes
0answers
26 views
Melee combat in multiplayer, Client side or server side hit detection?
I'm working on a medieval themed game that has melee fighting with swords, spears and other similar things as its major fighting mechanic.In a nutshell a sword attached to hand playing slash ...
0
votes
1answer
28 views
How do you remove the default sky in Unreal?
I'd rather texture/animate my own sky. How do I remove the default sky?
0
votes
1answer
22 views
UE4 Vehicle Editor View
When I open the vehicle's editor they tend to be a view form but is suddenly away how for you it back.
Where the arrow is there should be a view as a species but it is not there anymore. There you ...
-2
votes
3answers
88 views
How can I make my AI NPC's have a footstep sound?
I am making a horror game and I have NPCs roaming around the map.
How can I make it so the player can hear the NPCs' footsteps as they get closer?
1
vote
0answers
21 views
Make a decal a physical object?
Is there a way in the UE4 to make a decal such as a blood decal and give it a physical object? I want to do it so that I can add a sound affect when the player walks on the physical object, a box ...
0
votes
0answers
28 views
Unreal engine 4, menu not showing
The background works now, but i can't get my menu to show. This is the blueprint file: https://gyazo.com/b65f0f93d7a9cc9c633687a908fe6298
There isn't anything wrong with the variables.
Important ...
0
votes
1answer
116 views
Do we really need quaternions? In UE4 I rotate without them
I want to experience gimbal lock to be able to understand how it happens. In lots of videos it shows that when you rotate along one axis, other axis is also being rotated and you obtain gimbal lock. ...
0
votes
0answers
12 views
Switch an component(cube) in a Blueprint Class's material through blueprints - UE4
Please explain in blueprints, not C++
I am making a security camera system for a game. I have a render target and stuff, but I need to be able to switch cameras from the display. I have the widget ...
0
votes
1answer
48 views
How to display Render Target live to HUD widget in UE4
I'm making a security camera system in Unreal Engine 4. It allows the player to 'activate' the monitor, which should display the Render Target texture or the material made from it on the HUD. However, ...
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votes
0answers
15 views
Selection in UnrealEngine4 on Linux.
I'm Using Ubuntu 16.04.1....
When I select any Object It is becoming like this. !
How can I select like this -
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votes
0answers
22 views
Change Post Process on Camera
Using unreal engine 4, and attempting to change the post process settings on a camera attached to my player character. I can do this in blueprint, but was wondering how it was done in c++. So far in ...
0
votes
0answers
108 views
AI Navigation C++
I have Blueprint-only (Version 4.13 Unreal Engine) sidescroller project which im happy with until now (set up items, currency, movement, menus.. - basic functionality of a game).
I have integrated ...
0
votes
2answers
54 views
How do I make wasd controls for a top down game in unreal engine 4.13.1
I've been trying to make controls for a top down game in unreal engine 4 but I can't figure out how to make it and all the tutorials I've been seeing are outdated.
1
vote
1answer
70 views
Could I implement MakeHuman into a UE4 game as a character creator?
Would it be possible to take MakeHuman and put it into a game made in Unreal Engine as a character creator?
Of course many unnecessary features would have to be removed, but would it work at all, and ...
1
vote
0answers
26 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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votes
0answers
20 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
votes
2answers
90 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 ...
0
votes
1answer
37 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 ...
0
votes
1answer
57 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 ...
1
vote
1answer
54 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 ...
1
vote
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 like ...
1
vote
2answers
70 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::...
0
votes
1answer
59 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
votes
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
43 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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votes
0answers
58 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 ...
0
votes
0answers
58 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 looks ...
2
votes
0answers
35 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?
1
vote
0answers
53 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
votes
0answers
102 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
votes
0answers
78 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 ...
0
votes
0answers
49 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.
0
votes
1answer
178 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
61 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 ...
1
vote
0answers
107 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
102 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 ...
0
votes
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.
...
0
votes
2answers
37 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"...
0
votes
0answers
18 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
votes
1answer
175 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,...
1
vote
0answers
58 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
106 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
154 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 ...
