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

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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 ...
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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: ...
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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, ...
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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: ...
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 ...
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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 ...
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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 ...
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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 ...
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2answers
52 views

What if I extend a uclass without UClass() in Unreal Engine?

What happens if I extend a uclass (or UObject) without the UClass() macro? Will it still be a UClass() and managed by the garbage collector? I'm just curious. Update I managed to extend ...
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1answer
31 views

Why do I get link errors when extending UBatchLineComponent in UE?

I got some link errors when extending UBatchLineComponent this way: UCLASS(MinimalAPI) class UPBLineBatchComponent : public ULineBatchComponent { GENERATED_UCLASS_BODY() public: virtual void ...
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1answer
44 views

How to handle focus on a custom actor in Unreal Engine?

I created a custom actor, placed it on my scene and selected it. When I press "F" to focus on it, the camera zoom back very far from the scene, probably because I didn't implement the method supposed ...
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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 ...
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1answer
29 views

Multiple UV coordinates in Unreal Engine Procedural Mesh Component?

How can I have multiple UV coordinates per vertex in a Procedural Mesh Component? My goal is to create a UV editor. I know it is possible to generate multiple vertices per corner, as in ...
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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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1answer
14 views

How to refresh Unreal Editor Viewport when dragging a spinbox (FModeToolkit)?

The viewport of my custom EdMode does not update while I drag a spinbox (which is in a custom FModeToolkit). In fact, MyCustomEdMode::Render() is not even called (while the spinbox). How can I ...
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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 ...
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28 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 ...
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1answer
61 views

How can I correctly instantiate an octree in UE4?

I tried to create a simple Octree like this: (I looked at the FMeshTriOctree source code since no question in answers.unrealengine.com helped me) // My FVertex class is slightly more complexe, but ...
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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 ...
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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 ...
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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 ...
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1answer
192 views

Why does compiling Unreal Engine fail in Xcode on OS X?

I'm following Ben Tristem's latest course on using Unreal Engine and coding in C++. I have issues getting into Unreal however: when I create a project, it does its stuff, i.e. generates code, compiles ...
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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 ...
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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 ...
2
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1answer
178 views

How to avoid gimbal lock in Unreal Engine (c++)?

I created an orbit camera (sometimes called turntable camera; similar to the one with the "use UE3 orbit controls" setting in a static mesh view). I attached the camera to a USpringArmComponent with ...
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63 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.
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2answers
120 views

Casting in UE4 to derived class

I’m stuck in understanding of usable actors from survivable c++ example. I have return Cast<AUsableItem>(Hit.GetActor());. I have class AUsableItem. And I have another class AUsableWeapon ...
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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 ...
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173 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 ...
2
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1answer
51 views

Unreal Engine Player Quality

I had to force Unreal to use my integrated graphics card because VR wasn't working with my NVidia card. When I did this, the framerate dropped terribly and it popped up a dialogue "Frame rate's bad, ...
4
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1answer
182 views

How to reduce color space in a post-processing material in Unreal Engine 4

I'm trying to get an old-school Quake 1 look going in UE4. I am currently using this blueprint in order to get a retro style large pixel filter. In game (might need to zoom in to see the ...
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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 = ...
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110 views

Help me to find a simple 3D game development tutorial in Unreal Engine 4 [closed]

I am looking already several hours to find a UE4 tutorial that creates a simple 3D game from scratch, but not using Blueprint. Instead I would like to see complete C++ tutorial. Cannot find any ...
9
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2answers
258 views

How to determine lowest PC requirenments for my game to run

so I've created my first game in UE4 (4.9.2 version) and want to publish it. But i really don't know how to determine lowest possible environment my game runs on.Also I am unsure what other files ...
1
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1answer
168 views

UnrealEngine how to create pirate boat tutorial

I fount an Unity tutorial how to crate pirate boat, but I still can't find any sources (links, videos) how to create it using UE. Kind of this. So when you use character controller it can jump, run ...
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0answers
22 views

3d Engine for corsair 3d Game [closed]

So I want to create corsair 3d game for PC, maybe Xboxes, PS and etc consoles. As the game is about corsairs, there will be a lot of water, ocean waves and etc effects. So I know this is not a ...
2
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1answer
203 views

Should I make game engines to be a good “game programmer”, or is it more important to build games with Unity/Unreal? [closed]

Do I need to make game engines to be a good "game programmer" in general, or is it more important to build games with Unity/Unreal and learn coding along the way or both? I am going into a Computer ...
3
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0answers
130 views

How does Visual Studio integrate with Unreal Engine better than Code::Blocks does? [closed]

Background: I want to start using Unreal Engine 4, but I'm not sure which IDE I should use. I've narrowed it down to Code::Blocks (which I want for a couple good reasons) and Visual Studio 2015 (which ...
2
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0answers
33 views

5 Examples of game Development technology helping/using movie animation technology and vice versa [closed]

I wish to have information on the technology of game development say Unreal being used in the movie industry. I also wish to have information on the technology of movie industry being used in the game ...
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 ...
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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 ...
2
votes
1answer
164 views

How to disable camera moves (mouse drag) in an Unreal Engine editor plugin?

I tried to override FEdMode: virtual bool DisallowMouseDeltaTracking() const override { UE_LOG(LogTemp, Warning, TEXT("do not allow mouse delta tracking!")); return true; // I also tried to ...
2
votes
1answer
177 views

How to get the mouse events in an unreal engine editor plugin?

I would like to react to user inputs in an editor plugin, how can I do that? In a game I can use a custom Pawn or a custom PlayerController but how can I do it in the editor?
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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 ...
2
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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 ...
2
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1answer
309 views

What type of networking archtitecture does Unreal Engine 4 have?

I am working on online multiplayer FPS on UE 4 with up to 16 players. I am now at the making architecture model, stage. I am doing research on possible server architecture model with respect for ...
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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 ...
2
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2answers
793 views

How to create custom gravity in unreal engine and only affect specific actors?

I am fairly new to unreal engine and I would like to know how to set custom gravity in a specific point or area instead of down. For example I do not want the gravity pull to be down but more to the ...
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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 ...
2
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1answer
144 views

Need help with creating a stun gun. (Unreal Script)

I am fairly new to the programming world. I am currently at College and one of the tasks I need to do is create a "stun gun" or "freeze gun". Basically when you shoot a target (other player) i want it ...