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

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3
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2answers
629 views

How do I Rigidbody.AddForce(Vector3) in Unreal Engine?

I am coming from the Unity Engine, and trying to get my feet wet with Unreal Engine 4.8.x. I want to add a one-time force to an object. To accomplish this in Unity 5, I would use: void Start(){ ...
2
votes
1answer
525 views

In UE4, how do I turn my character's body together with the camera?

I made a simple punch animation in Blender and exported it into Unreal Engine 4. In-game, the character appeared from a 3rd-person perspective, but I made it look like first-person by adjusting the ...
0
votes
1answer
51 views

Call a BlueprintImplementableEvent from c++ in unreal editor?

I created a custom actor: BPTest.h: #include "GameFramework/Actor.h" #include "BPTest.generated.h" UCLASS(Blueprintable, BlueprintType) class ABPTest : public AActor { GENERATED_BODY() public: ...
0
votes
1answer
37 views

How to find a point on a plane?

I'm using unreal engine 4. Currently I ray trace to a surface in game and I'm trying to find the location of the point relative to the surface1 instead of the world. I have the world position of the ...
4
votes
0answers
129 views

Can a sprite be rendered with thickness in Unreal Engine?

Is there a convenient way to have a 2D pixel art image with transparency (not partial) rendered with a thickness in Unreal Engine? Paper2D does exactly what I want, except it's a flat plane. I'm able ...
3
votes
0answers
32 views

UE4 - Viewport mouselook always on

Does anyone know how to set mouselook to always on instead of having to click and hold the RMB? I would press and hold a different hotkey to "disengage" mouselook and allow object selection. I was ...
2
votes
0answers
168 views

How can I go about testing games on a console

I was wondering how I could play a game I've made on a console (PS3). I don't want to sell it or anything I just want to test it for now, also do I still have to do that whole registration thing to do ...
1
vote
0answers
51 views

Implementing Browser in Unreal Engine 4.10

I am looking to add some oauth to a game I am working on. I can get the user auth to work in the browser that comes with UE4, however there is not any capability to detect changes to the currently ...
1
vote
0answers
29 views

How to use GetViewProjMatrix().TransformVector(LineDirection) in UE4?

I try to project a 3D vector (a direction, not a position) in screen space, but it does not return satisfying results: FVector LineDirectionOnScreen = ...
1
vote
0answers
36 views

Weapon index sets index values to the same

i've got a question about my unreal blueprints. I've been trying to get this right for almost a month now, but i don't know how to fix this. These are my are down below and a small video to explain my ...
1
vote
0answers
144 views

Sprite outline based on light position in UE4

I have simple sprite (for example black box) and I like to add to it outline (red line on example image) but based on light direction. I know UE4 use deffered renderer, so I cant access to lights, but ...
1
vote
0answers
346 views

Adding smooth round Bézier curve corners in unreal editor?

Unreal Editor offers rectangular and round geometry. It also offers boolean operations. I can make a smooth corner by playing around with cylinder and boolean operations. I really would like to make a ...
1
vote
0answers
750 views

Get derived Pawn from collision actor in UE4

I am trying to build a basic RTS unit selection but any time I try to possess the target pawn it crashes. The pawn in the collision is a blueprint derived directly from APawn. Am I casting from the ...
1
vote
0answers
269 views

How to create/edit a weapon in ut2004's unrealed?

I've searched a lot, but almost all of the ut2k4 Unrealed tutorial websites/blogs have disappeared. How do I create or edit a weapon in Unrealed?
1
vote
0answers
72 views

Why does the location of my vehicle spawner change when I open a matinee?

I'm doing work with InterActors and vehicle spawners in Unreal Tournament 3's editor, and have it set up like so: (The Walkway its on is the InterActor) However if I go in Kemsit and open the ...
1
vote
0answers
251 views

UDK and Protocol Buffers

Actually two questions: Can I use TCP sockets in UDK to implement my own networking protocol? (I guess TCPLink is an answer) Is there any way I can user Protocol Buffers inside UDK? Or anything like ...
0
votes
0answers
13 views

How to align hands and gun with view while aiming? (Unreal Engine 4)

As the question reads, I had questions about how to make the aiming work for a gun in a game. This has 2 major parts, the gun and the body. I want to make sure the hands look realistic while moving ...
0
votes
0answers
16 views

character teleporting repeatedly into/above ground

I'm trying to make a HTC Vive Game in Unreal Engine 4. I'm not a programmer, so im new to all this. What i am trying to do is, make my character move with the thumb pad. I got the moving part ...
0
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0answers
37 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: ...
0
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0answers
12 views

Use UMG to extend an FModeToolkit in Unreal Engine 4?

I have a custom FModeToolkit, I would like to extend it with UMG (ultimately with Unreal.js, but it should work with Blueprints). How can I do it? I try to add a UWidget to this custom FModeToolkit, ...
0
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0answers
15 views

XCode debug visualizers for Unreal engine 4.10?

Are there any debug visualizers (.natvis file) for XCode? I would like TMap/TSet to display correctly in XCode using Unreal Engine 4.10. I followed this thread to have them working in Visual Studio ...
0
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0answers
20 views

How to change text on collision in Unreal Engine

I've just started using Unreal Engine, and I was trying to do a super simple game where there is a character that has text above his head that says 'Bag 'o' fries'. My plan was to have it so if ...
0
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0answers
21 views

Handle actor deletion undo in Unreal Editor?

I have some objects pointing to a scene component of an actor: class MyObject { USceneComponent* Component; } When the actor is deleted, all its components are also deleted. So when the delete ...
0
votes
0answers
59 views

Create custom UE4 editor viewport and display meshes?

I want to create a custom viewport (to edit UVs). I looked at SStaticMeshEditorViewport and FStaticMeshEditorViewportClient. I made a Viewport which inherits from SEditorViewport, and a ViewportClient ...
0
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0answers
19 views

What is the implementation of Complex Automation Tests in UE4?

I can write some basic simple automation tests, but the complex ones confuse me. Would I be right in asserting that a complex automation test first runs the GetTests, then runs the RunTest multiple ...
0
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0answers
35 views

How do I control the game with UE4 Automation testing?

I can do some basic testing with UE4's automation testing, however anything more complex is confusing and the documentation isn't helping. I am using the third person C++ example, and I would like to ...
0
votes
0answers
24 views

Paper2d Networking Issue

I followed the the Paper2d tutorial from Unreal Engine. At part 9 (youtube.com/watch?v=vwZVlgcMGI4) he adds a intelligent lift. It works fine but it's bugged in multiplayer. The Lift location is not ...
0
votes
0answers
74 views

How to convert mouse location with respect to any camera/object in Unreal?

I am currently working on a VR project (First Person Shooter) where the player can shoot any where on the screen. I am using a Render to Texture method. The VR part is working fine. The problem I am ...
0
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0answers
34 views

Blender to Unreal or Unity - will combining animations into one clip for a parent object to store effect workflow?

Hey so I have a gun and a set of rigged hands in blender, and I was wondering if I made a parent object for the gun, hands and everything, took all the animations respectively (such as right hand ...
0
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0answers
38 views

Are CreateOrthonormalBasis and OrthoNormalize equivalents?

I've been looking at the functions in Unity's Vector3 class and Unreal's FVector class. I have been trying to find overlapping functions from each but can't figure if CreateOrthonormalBasis and ...
0
votes
0answers
80 views

Draw n pixels wide lines in 3D world in unreal engine 4?

Is it possible to draw n pixels wide lines (like the ones I would have with GL_Lines in OpenGL) ? I'm looking for something like this.
0
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0answers
29 views

Unreal 4: Checking out with Git as VCS

I have my editor configured to use git as my VCS. I have my own server in which the repo is hosted. I followed the GIT with Unreal 4 guide. My problem is that I cannot find the "Check Out" option in ...
0
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0answers
206 views

No non–expired provisioning profiles were found unreal engine

I am new to unreal engine. So, I create a basic puzzle project with C++. When I went to XCode to built the product, I fail to build the project. Failed to code sign "QuickStart - iOS". No ...
0
votes
0answers
75 views

How to create a toggle button with slate in unreal engine?

How can I create a toggle button with slate? By toggle button I mean a normal button which remains pressed after one click and returns normal after a second click (the style is toggled). It seems ...
0
votes
0answers
52 views

Can materials be melted using code?

Say this ball for example : These three models have been created, to then use a simple morph transition to make the ball switch from 0 to 1 then to 2, and make it look like it's melting. But is ...
0
votes
0answers
70 views

Unreal engine: How to get FHitResult.FaceIndex?

When I do PlayerController->GetHitResultUnderCursor(ECollisionChannel::ECC_WorldDynamic, false, TraceResult); TraceResult.FaceIndex is always -1. Here @OriCohen says that I have to "use a ...
0
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0answers
41 views

Can I do Sound Mapping in unreal Engine 4?

I am currently a student trying to build a game for my final year project and I am wondering about a few things when it comes to sound in unreal 4 Is it possible to have sound map out the outlines of ...
0
votes
0answers
20 views

Animation not visible

I made an animation with keyframes in Blender with a rig and exported it to a FBX. I then loaded it in into UE4 and I just saw the mesh fine (except for the materials, but that is another story.). So ...
0
votes
0answers
176 views

Dynamic sky HDRI with dynamic sun lighting?

Using VUE xStream, I can easily generate an unlit sky with some clouds. However, I would like to use a shader to dynamically light the clouds according to the sun position, intensity and color to give ...
0
votes
0answers
25 views

UDK Render Hud Problem

I've been following this tutorial: https://www.youtube.com/watch?v=NOLAeyRCXYM And This is how my kismet looks like : http://imgur.com/jTCKo87 I want to display the text when player touches the ...
0
votes
0answers
35 views

UDK 3 - Applying a shader on Touch()

I'm attempting to follow DarkCarnivour's Object / Mesh Outline Effect but having some issues with the scripting. Guide: https://forums.epicgames.com/threads/865957-Object-Mesh-Outline-Effect-working ...
0
votes
0answers
1k views

Setting up local players in Unreal Engine

I'm trying to make a 4 player 2D local multiplayer game. I have tried a lot of stuff to get to this stage, but as far as I have been told, a method called CreateLocalPlayer creates a local player, ...
0
votes
0answers
81 views

Lifting vehicles (and spawners) using InterActors, strange collisions causing flying vehicles

Making a VCTF map with the Unreal Tournament 3 Editor, and thus have vehicles in it. Currently I have 2 walkways next to each other (Big enough for a vehicle). One of them (A InterActor) drops down, ...