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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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non vr project with leap motion and ue4

Does anyone know how to setup a leap motion for a non VR project. Also I want it to be orientated frontside down 45 degrees. There almost no documentation about this on the internet, anyone some experience? Many thanks, Olivierus
Bastien Olivier Dijkstra
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C++ How to calculate an arc between two 3D points

I read through the forum and as I am sure this question has been asked before, but I couldn't really find what I was looking for. My problem is the following: I have an AI-Character moving along a spline. Should that path be blocked, the character…
frankBang
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Using Steamworks in Unreal Engine 4

So I've started implementing Steamworks functions for my game, and everything went perfectly fine. I managed to get sync with steam API ( i can do achievements and see that i'm playing game on my steam acc). However when i wanted to start using some…
Avengar
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How could I load a Static Mesh from external folder?

I'm learning UE4 C++ Development and I have a idea but I don't know if that is possible to make. I have a folder on my WAMP SERVER for exemplo ( C:\wamp\www\staticmesh\My3DModel.3DS ). My idea is create a button on my UE4 widget and when It's…
Desenvolvedor
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Why table does not rotate?

I am trying to rotate the table that come with starter kit using this blue print: I made sure the static mesh is movable so why it does not rotate ?
zac
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2D Sprite Scaling in Unreal Engine 4.13.2

I'm working on a Sprite Scaling pickup for a 2D Platformer assignment, and have most of it worked out. I am running into a few issues however. When scaling the Capsule Component (It being the Parent object), when walking up to a sprite on the…
Sensei Patches
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What is Blueprints from Unreal Engine from fundamentals of computer science?

I am trying to create something similar to Blueprints from Unreal but for Web development. I googled some questions about what Blueprint actually is but I didn't get any success, most of the links point to unrelated information. I am trying to…
Yordis Prieto Lazo
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Unreal Engine: Constrain a pawn's rotation between two angles

I'm working on a short Unreal Engine 4.9 blueprint for a friend, but I am not familiar with the unreal engine at all, and I'm about to pull my hair out. I've been searching online for about 2 hours, and I can't get it. What I'm trying to do is get…
Hoopla70
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(UE4) Why won't this Custom Event execute?

So I want when the player presses the left key, the door/gate opens. There are doors constantly spawning in the level, but you can only open the one LEAST recently spawned, so I have the doors in an array. So when you press left, it gets the door at…
Bowser jr.
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How to open an FBX file from my UE4 project's interface

I've created an interface for my UE4 project that has an import button. What I want it to do is to access FBX files in the user's desktop and opens the one the user selects. I've written a c++ code that searches for FBX files in the desktop and…
Shahad
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How to delete object using blueprints (not actor)

Ok I've created some class which inherits from UObject. I can created it in level BP (using Construct object node) and store reference in my BP variable. When I'm creating object I'm setting Outer as self. So level BP owning newly created object.…
The Tosters
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UE4 Variable error after double delay

I've got Blueprint of my character where I spawn a bomb with a key. I try to limit number of bombs with NumOfBombs int variable. When bomb is spawned I subtract 1, when it explode after 2sec delay I add 1. System is working if I wait those 2…
Phantoms
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My App has no Client ID?

So I'm using the Unreal Engine 4 to make a mobile game. I'm currently trying to set up the Google Play services so I can do Leaderboards, Acheivements and In-App Purchases, but I'm struggling with the first right now. You can see the behaviour in…
OmniOwl
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Unreal Engine 4 - Blueprints, Need Help Creating UI Elements Based on Int Value

I have an array of ints (I.E: 12 , 55 , 33) the length and contents of that array are variable. In a for each loop, I need to take every single array index and create a set number of ui images based on its number, for example if the first array…
Mohammed Gameal
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Unreal Engine 4 Blueprint integration with Google Play Leaderboard

I am becoming crazy, and have been stuck for a while on this. Is there any tutorial in BP integration with android? I have tried to follow flappy bird as much as possible. But there is something is not working for me. Here is a bit of what I am…
Kanekotic
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