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Questions tagged [blueprints]

Blueprints is a visual, node-based scripting model used by Unreal Engine 4.

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Many-to-one and feedback loop connections allowed in UE4 blueprints

Under what circumstances is it allowed to connect: Multiple execution output ports (those with the blank triangle) in different branches to one single execution input, effectively merging the ...
rraallvv's user avatar
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2 votes
1 answer
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Ledge Detection with Plane Intersection?

i am working on a ledge climb system and I am currently refactoring it to make it more reliable. I am tracing with a sphere towards infront of my character. If it found something, I trace downwards. ...
Raildex's user avatar
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In UE4's Blueprints, how do I activate something when the player looks at it?

I want to make an object that activates when the player presses a button, then looks at it. How can I do this using Blueprints Visual Scripting?
user88107's user avatar
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How to make AI Character move towards Actor Object

I have in my scene an AI Character and Actor Object, but the character won't move no matter what I've tried. You can see the current code with debug statements. I'm not sure what I'm missing because I'...
Robert the Bruce's user avatar
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How to animate multiple animation blueprints offseting time for each instance?

I'm new to Unreal Engine and would like to get an effect similar to this one: The idea is to have an Animation BluePrint with data from a Live Link Pose node to start with. To achieve the effect, my ...
George Profenza's user avatar
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Execute both exec ports in the same frame

I made the following: Notice the [Button] node has two execute ports. The CLICKED exec port is executed when a button is clicked. The other exec port is supposed ...
clankill3r's user avatar
1 vote
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Is there a way to modify the scene in the Blueprint editor without affecting the blueprint itself?

I'm working on a game in Unreal Engine 4 where I have a similar set of blueprints. Each blueprint exists in a scene with trees and a night sky, so I want to be able to have such a scene load by ...
DonutGaz's user avatar
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Problem rendering Custom Fonts on UE4 Text Render Component

I have imported a TTF font on unreal engine. At first I just let unreal engine create the Font asset automatically, but when I try to create a material with that font it gives me a warning telling me ...
Shirofuji's user avatar
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UE4 - Low level calls in blueprint

I am looking to use blueprint nodes described as Low-level calls in the documentation such as this one https://docs.unrealengine.com/4.26/en-US/BlueprintAPI/Game/Cinematic/JumpTo_Frames/ but I can't ...
Francesco's user avatar
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316 views

Unreal How to Feed Images into Open CV Lens Distortion Calibrator

I'm currently trying to use the OpenCV Lens Distortion plugin that comes installed by default with the Virtual Production example in Unreal 4.27 to try and create a camera undistortion texture for my ...
Benjamin Danger Johnson's user avatar
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Skeleton bone in incorrect spot in-game yet, blender rig, skeleton mesh and physics asset are all correct and behave properly

I've made a custom character and rigged it in blender. Then exported/imported into ue4. It behaves properly in the PHAT and the skeleton mesh looks fine and it all behaves properly in the simulations. ...
thissiteistoxic's user avatar
1 vote
1 answer
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UE4 Blueprint Multiplayer Spawning Issue

I'm attempting to copy/modify the MultiplayerShootout project's multiplayer functionality for my own project. I'm running into issues when Player 2 joins a running session though. Finding it very hard ...
Luke Hewitt's user avatar
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428 views

Overriden Event does not execute on Unreal

I've been learning Unreal Engine through this tutorial and I am having an issue with overriding an event I created on C++ using blueprints. So here is what I've done: I created a class called ...
Carlos Tirado's user avatar
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Old "Play Montage" node vs new 'Montage Play" and "Play Anim Montage"

so.. Following documentation/guides/etc.. I keep coming across the classical node called "Play Montage" which shows one of those Mario Bros pipes as an icon. However, my version of unreal engine does ...
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How to make a sprite above my character appear on the minimap attached to the floor?

I have a project where I made 2 minimaps. One of minimaps is linked to the character of my project and the other to the floor: As I already said in the title of the question, my character has a ...
Boneco Sinforoso's user avatar
1 vote
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26 views

Change text of bus destination sign at runtime

I have rigged a bus in blender and imported it into Unreal. Now I want to change the text of the destination sign at run time. How can i do this?
user129142's user avatar
1 vote
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353 views

Dragging and dropping sword in unreal engine 4

I am developing a 2d game using unreal engine 4 in which the user drags and drops a sword.I want the sword to follow the position of my finger.At the moment, when I drag the sword, it moves at an ...
dave jones's user avatar
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Widget text is a different color in game than in engine

I have a widget blueprint to show a main menu. Everything was fine until I recently added a new button in the menu to enable cheat codes. The problem started when I noticed when I changed the color of ...
Jason Crosby's user avatar
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1k views

Unreal: Y-Axis boundary on a Camera Bounding Box

I was wondering if I could get some help with modifying a Blueprint I'm currently using for a project in Unreal Engine. I am currently attempting to make a side-scrolling platformer game and I'm ...
Hungry Moogle's user avatar
1 vote
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89 views

Trying to create a UE4 blueprint or script to recognize set shapes

I'm currently developing an indie game using Unreal Engine 4 and I've stopped developing it within the last week because I have hit a massive roadblock.. I am trying to figure out how to create a ...
Deygus's user avatar
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UE4 Blueprint / Variable Communication Issues

So I have a system set up in my game that whenever the character collects an object the monster begins to speedup and this is used for each object that player must pickup, although I'm having issues ...
John's user avatar
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1 vote
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How to place planes for each face of frustrum in Unreal engine?

How to place planes for each side of frustrum from a Blueprint ? How to get the rotation and size for each side of camera frustrum from Bleuprints ?
Kas's user avatar
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How to setup Steam VR Controller models and behavior in Unreal Engine?

I want to preface this question by stating I am somewhat new to Unreal Engine. I googled for a solution to this, but no avail. So I am setting up a bit of a sand box project in Unreal Engine to get ...
TaylorE's user avatar
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1 vote
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How can change some text above a character upon collision in Unreal?

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 ...
Alex Carr's user avatar
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22 views

2D line tracing in a 3D environment

I am trying to build a grapple hook for my 2.5D platformer game. First I started with creating a line trace between the character to the mouse cursor but I want to restrict the end point to always be ...
Itay Cohen's user avatar
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0 answers
15 views

Jump state in AnimGraph is not entered when character jumps

I finished following the "setting up character movement" gameplay tutorial and everything works, except for the jump animation, which does not play when jumping. I determined that the issue ...
TechnicalVoid's user avatar
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24 views

How do I gradually slow down player rotation in unreal vr

I'm trying to make it so when the right stick is held in a direction to rotate the camera that way, it eases in and out to make it less jarring than being completely linear. What I have so far does ...
desperrrr's user avatar
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21 views

triangle twice too big for mesh blueprint

I don't understand why the triangles covering my mesh are twice too big Here's my blueprints main function calling the mesh and the triangle function: the mesh function which is supposed to work ...
loic tonneau's user avatar
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54 views

Help with making biomes and cities with procedural generation

I'm working on a game in Unreal Engine 5 with Blueprints and the Fast Noise plugin. I've been having trouble getting the biomes and cities set up. I'm not fully sure how to make the biomes affect the ...
Jam's user avatar
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19 views

Switching between cameras in blueprints

I'm hoping that someone can help me, I have a blueprint called BP_NPC_Shop that holds some objects and a box collision, when the player runs over that box collision ...
Alestes's user avatar
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554 views

How to provide an array of positions to Create Points Node via Blueprint variables?

I wanted to use the Create Points node from PCG to align objects in a certain way. For this I've created a variable in my Blueprint ArrayOfPosition with type Array ...
Fedor  Petrov's user avatar
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771 views

How does the UE5 Control Rig Sphere Trace by Trace Channel Work?

I would like to use a control rig to correct the foot IK. First, I defined a function called "FootTrace" to detect the ground under the feet. In this function, I used "GetTransform-Bone&...
Nater's user avatar
  • 1
0 votes
0 answers
71 views

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 ...
Bob's user avatar
  • 1
0 votes
2 answers
63 views

Efficient way to organize your collectible Actors

Assuming I want to make a RPG, where I can pick up different stuff, like plants and weapons. How would you create the Actors? More precisely: Would you create an Actor for every item, maybe deriving ...
debaser36's user avatar
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0 answers
1k views

Simulate Physics causes Actor to fall through ground when player interacts

I've set up a simple code that allows the player to use a line trace to pick up objects and assign them to one of three sockets on the character mesh. I then set up the ability for the player to ...
NeonIndica's user avatar
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0 answers
120 views

Can’t load game correctly

I have Save/Load functionality where I use LoadGameFromSlot, SaveGameToSlot and SaveGame ...
Amazing User's user avatar
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0 answers
320 views

Can't save high score in Unreal Engine blueprints

I'm trying to make a pinball game in Unreal Engine with blueprints, but the high score does not save. You have 2 lives while playing, and after the game ends this save game function executes. The game ...
UE GameDev's user avatar
0 votes
1 answer
84 views

Traversing distance over time in Blueprint graph

I am trying to make a set of simplified physics blueprints, very simplified, as an exercise. I am keeping track of the position of an object and I would like to divide the distance it travels each ...
Francesco's user avatar
  • 111
0 votes
1 answer
56 views

My character runs around on their own after picking up an object

I have a weird bug on my hands. I am trying to create an event whereby the character walks into an object and automatically picks it up once the collision occurs. The character can pick up the object (...
gash_'s user avatar
  • 1
0 votes
0 answers
103 views

How do I create surfing?

I want to know how I can lerp from my current position, to another position, while hugging the terrain. Imagine I'm doing something like surfing, or skateboarding, where I need to follow the rail......
Ryan Glenn's user avatar
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0 answers
154 views

UE4 - Function is not being called

I've recently created a shuffle-type puzzle game for mobile (with Unreal Engine 4), where you, obviously, solve these puzzles. Since I didn't know how to do this puzzle mechanic in UE4, I went to UE4 -...
Kupachu's user avatar
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0 answers
139 views

Blocks / tiles aren't responding to clicks

I've recently finished a tutorial, UE4 Slide Puzzle by Nicholas Thompson. Halfway through the second tutorial, I found out that the blocks / tiles wouldn't respond to my clicks. For example, when I ...
Kupachu's user avatar
0 votes
1 answer
712 views

Can't connect to Steam using Blueprints in UE4.25

I'm following this tutorial by Unreal Engine itself, but I don't have a Steam overlay popup like I'm supposed to, (according to the tutorial.) And actually a lot of people have a similar issues like ...
Wolfizzy's user avatar
  • 103
0 votes
0 answers
103 views

UE4 Procedural Planet Design

I am building a game that requires a full planet but it would be too complicated to create it as one mesh, so I decided that I will use procedural generation to create the (partially) editable ...
Datis Reyhani's user avatar
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0 answers
1k views

Optimize spawn & destroy? (Unreal Engine)

I'd really like to know how you'd go about optimizing this? 20 actors each spawning 8 projectiles per 0.1 sec which are then destroyed 0.8 seconds later, all done through blueprints Gif: https://gyazo....
Cheryl's user avatar
  • 1
0 votes
0 answers
57 views

UE4 tips how to handle Minigolf Multiplayer

Heyo! I'm doing a Minigolf multi-player game right now. What I couldn't figure out by now is how to set up the game logic of the actual game. So where to keep track of all players being in bounds, ...
Pascal Schaible's user avatar
0 votes
1 answer
223 views

Get BP FollowCamera Rotation and Location

I'm accessing my FollowCamera https://i.sstatic.net/dXKjt.jpg from my BluePrintCharacter class in my C++ code, with this following line : ...
Johnny Bra's user avatar
0 votes
0 answers
22 views

Error calling a Action Map

I tried calling the event Set Destination, simply to make an impression on the game screen: I did not succeed. I modified the 3 options displayed on the right (consume input / execute when paused / ...
Boneco Sinforoso's user avatar
0 votes
0 answers
1k views

How to make a Multicast Delegates in Blueprint?

I used the Set Timer by Event, but I could not use the delegate in more than one event: I've been researching about and it's possible, but I've only found results in c ++: https://docs.unrealengine....
Boneco Sinforoso's user avatar
0 votes
1 answer
199 views

Why is my mesh outside its collision component grid?

I've created a blueprint (well, two of them, as a test since the first one wasn't working right) with an sphere component around a mesh, as in the picture: As you can see, the mesh is well placed ...
Rekesoft's user avatar
  • 101