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

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2
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2answers
597 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(){ ...
0
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2answers
37 views

Best way to do headshot decapitation?

I'm using UE4 and blender. I was wondering what the process is of preparing in the 3D software and then making a head burst animation upon headshot. I don't want to do destructible meshes because they ...
2
votes
1answer
447 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
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1answer
21 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
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1answer
31 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
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0answers
115 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
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0answers
27 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
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0answers
159 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
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0answers
47 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
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0answers
28 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
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0answers
139 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
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0answers
338 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
729 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
263 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
242 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
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0answers
20 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
6 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
13 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
17 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
17 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
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0answers
38 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
18 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
27 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
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0answers
23 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
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0answers
41 views

Get Mouse Location With Respect to any Camera/Object in Unreal

Am Currently working on a VR Project (First Person Shooter) where the Player can shoot any where on the screen. Am using Scene Capture to Texture method. The VR part is working fine. The Problem am ...
0
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0answers
32 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
37 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
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0answers
62 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
171 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
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0answers
65 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
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0answers
50 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
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0answers
62 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
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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
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0answers
172 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
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0answers
23 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
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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
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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
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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, ...