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Questions tagged [unreal-blueprint]

Blueprints are Unreal Engine's visual programming structure. Use this tag for all questions related to blueprint programming in Unreal Engine.

Unreal Engine's Blueprint system replaced Unreal Engine 3's Kismet in May 2012. Blueprints help add functionality to meshes, props and players in order to turn 3d art into a working game.

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(Unreal 4.8.1) How do you calculate the x y and z of the player controller when rotating around a point a certain distance away

I have 4 arrows on my interface. One arrow points in one direction: up, down, left, right. When you select an arrow I want the player controller to rotate in that direction around a point while facing toward that point. I have kind of gotten lost in…
Baby Coder
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UE5.1 Multiplayer, How to get the player who clicked and the one who is gettting clicked?

So, I am making a multiplayer game where I want it so that when a player1 who is playing the game sees the avatar of player 2 he can click on that avatar and a widget get’s created showing profile of the Player 2, also there is a button in that…
Dev Patel
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How to transition from Blueprint to C++ in Unreal Engine 5.0.1?

I am new in Unreal Engine. And I am trying to edit a UE project, but it's using blueprint for the coding, and I have none experience for using blueprint. So is it possible and how to change Blueprint Class into C++ in UE? Thank you in advance.
Jay
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Blueprint Runtime Error: "Accessed None trying to read PlaceableActor"

I am trying to learn how to develop games with Unreal, and I am currently following this tutorial series: https://www.youtube.com/watch?v=9f98-D9T0Nk&ab_channel=TheGameDevChannel Now I am at the part where I should be able to place items from the…
pauloutboy
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Unreal Engine 5 & Perforce : not detecting changes in blueprint

I am new to UE5 and Perforce so sorry if this question may seem simple but I am a bit lost. I installed Perforce Helix depot and client on the same computer (I am the only person working on the project) by following this tutorial :…
Kevin H.
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UE 5.1: Everything works, then you restart the engine, nothing works

Working on a client project. Got so much stuff done. Everything works great. Created a build, it works perfectly. Then I shut down my laptop, the next day I boot it up and everything is broken. zero changes were made to the project. This is the…
Max
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Analyzing audio in C++ / Unreal Engine 5 without plugins

This project is done in Unreal Engine 5. I would prefer doing this in C++ instead of Blueprints, but I'm open to any ideas. I am trying to take an audio file and create the data needed to make an audio waveform (sample image of audio waveform…
Bob
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Unreal Engine:How to solve the problem of using BroadCast() of Delegate in C++/WinRT Async function?

I am currently creating Voice Recognition by using C++/WinRT and binding it into Unreal Engine. Because I wanna let my blueprint widget to show the words when it got recognized, I created a DECLARE_MULTICAST_DELEGATE in my C++/WinRT file and use a…
Steven Yen
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Where should i store score variable?

I'm working on my multiplayer game. The game is about pvp, you can shoot your friends and all stuff like that. I decided to make a score widget, which would show who is better. You might have seen something similar to what I'm talking about in fps…
Kokapuk
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Gimbal lock fix in 2D space for turret cannon

I'm having a nightmare issue with Unreal and gimbal lock screwing with rotation in 2D space. I have a turret with a cannon that follows the player, but when the player jumps over or is on one side vs the other of the turret, the cannon "flips" if…
Drew Lietzenmayer
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how to get callback of datasmith runtime?

I'm using unreal blueprint of datasmith to load revit model in runtime. but i don't know out how to emit callback when the model has been load and rendered. the "Datasmith Destination Actor" has a property of progress, i try to watch that property…
xiaoliang
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Input witch speech recognition in UE5?

did somebody know how to use speech recognition in unreal engine 5 as a Input like if I say go left, the character go also left? Or exist any tutorial for that?
GoldenBoy
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How to merge variables in ue4/ue5

I am overcomplicating an animation and need to merge 2 ue5 animation variables into one play animation block. (using blueprints btw). My question is, how do I do this? I've not been able to find anything relating to this topic so yeah.
CharlieW
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How to center mouse cursor in Unreal Engine

I want to center mouse cursor. Here how I do it. But here is a problem - when I change active window with alt + tab, cursor still in the center all the time. Can I check somehow that game window is focusable?
Amazing User
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Unreal Engine 5 LevelBlueprint fails to build when new project is made

When I create a new project in Unreal Engine 5 and build the level blueprint, it throws two errors and fails to build: Output: Error List: How could I resolve these two errors so that the file builds successfully? I tried opening the file…
camden gear
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