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 ...
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Solved UE4, How do it to where when my camera looks up and down my character mesh which is a hand also moves up and down

I am using the blueprint system on the ThirdPersonTemplate, please someone help me i have been stuck here for quite some time... -- SOLVED For anyone wondering all you have to do is set the character ...
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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?
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1answer
255 views

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. ...
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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 ...
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1answer
77 views

How to desaturate and blur the game world when paused in Unreal Engine 4

I am creating the pause menu for my game. I want the screen to turn black and white and blurry when it is paused, much like Left4Dead. But the only special effect I can find is background blur. How ...
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52 views

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. ...
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1answer
399 views

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 ...
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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 ...
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1k views

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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137 views

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 ...
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24 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?
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1answer
3k views

Creating a real loading screen between levels in Unreal Engine 4

I'm trying to create a loading screen to pop up between levels in Unreal Engine 4. I want to have a traditional loading screen such as the loading screen in Skyrim, where the player presses play and ...
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313 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 ...
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422 views

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 ...
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882 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 ...
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71 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 ...
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133 views

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 ...
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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 ?
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623 views

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 ...
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92 views

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 ...
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How can I bind fields of USTRUCT with text fields in widget UMG?

I have USTRUCT object. Its fields are filled in c++ code from a JSON object and I need to bind its fields with the content of text fields in a widget. So the flow of my program should be like this: ...
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Can I call event from itself

I need to change Game Phases during Game Round. The problem is phases haven't same time duration. So as far as I see, there could be timers by event, but I can't change time interval for them. As ...
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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......
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UE4 Blueprints - AI movement on moving platform/object (like a ship deck)

I want to have AI (enemies) on a boat that moves on a path around the level (an island). But the AI seems to have a problem navigating on the deck of the ship. They always end up on the far back of ...
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Panner Node (Planet Material Day/Night Map)

I made an Earth material that rotates and shows day and night by combining different maps and masks (Similar to these set ups https://youtu.be/FMU1FkHFHXk AND https://youtu.be/ugXWt6AmudY). The logic ...
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Unreal Engine 4 DefaultInput.ini mappings not showing in editor

The mappings from DefaultInput.ini are not showing up in the editor. I had originally added them in the editor project settings, but it lost the mappings except for 2 of them Jump and Reset VR. They ...
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14 views

Populating Static Mesh Array

I'm trying to populate a Array of Static Meshes from the On Begin Play event with all the static meshes that are children of the primary object but can't seem to access them as static meshes, any ...
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UE4 Repeat fail: how to feed text widget unique message on instances

I am a noob who has spent many hours looking at similar questions and responses but still failing to get desired result. I am going to be thorough and specific - I'm very keen on walk-throughs with ...
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1answer
34 views

Why is the Set new visibility doesn't resets the hair's skeletal mesh visibility to be visible?

The helmet is loaded when pressed a defined key and helmet is removed automatically by setting the remove on 2s delay. The Problem when the helmet is removed, the hairs visibility doesn't sets to be ...
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22 views

Custom event doesn't update blueprint variables

Here's what I have: To sum it up: calling the OnInteract event (which comes from an interface) prints the 'Proceed' variable. Clicking Fire sets the variable to true and prints it. 'Proceed' is false ...
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Character is out of location after animation montage in UE4

so I have my running and idle animation working fine on my character but once I do the attack animation thru an animation montage, my character slowly floats off the ground and as I attack many times ...
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80 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 -...
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Floor is moving faster than ball above it , and it causes ball to fall off the map. UE4

I am creating a game ( following Udemy lesson on Marble run) which is basically a maze and ball and we move ball my rotating floor on x or y axis through obstacles . Floor movement is linked on Mouse ...
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136 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 ...
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1answer
273 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 ...
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16 views

Uncover Physics Object to Pick it Up

I want to be able to have physics objects semi-buried in leaves, dirt, or whatever and be able to have the player click on the area a couple times to uncover them, and he can't pick it up until he has ...
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22 views

Widget button hover event works but not click

This is my first time making a widget and I'm trying to make a super simple one, just a button. However, when I attach the widget to an actor and try to press it, it doesn't register any click events ...
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2answers
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How can I to get an animation to be triggered by proximity of a mesh actor (an object)?

So I'm making my first build in Unreal 4 using Blueprint. The "game" calls for the player character to grab a particular object (a static mesh actor) and bring it close to a door that will ...
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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 ...
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2answers
61 views

Make my Character face the same way as my Camera as I rotate the camera

Before posting, I've already tried parenting the camera to the Character mesh head and setting controller yaw, that didn't work, in fact it invalidated my blueprint to set my Mouse X and Y for the ...
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368 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....
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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, ...
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How to prevent rendered wound from sliding on moving character?

I am trying to display a rendered wound on the character, but I still can't figure out how to display it properly without sliding on character's body. I'm following this link on rendering the wounds ...
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1answer
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Get BP FollowCamera Rotation and Location

I'm accessing my FollowCamera https://imgur.com/a/vbFagxg from my BluePrintCharacter class in my C++ code, with this following line : ...
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1answer
478 views

Destroy multiple actors by pressing a button

I'm making a simple project to learn Unreal Engine. I have 50 actors (blueprints) and at the start a function will loop 5 times and spawn 5 of the 50 actors randomly. How can I destroy the actors by ...
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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 / ...
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607 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....
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1answer
314 views

How do I make a blueprint run keyboard key commands?

I created a project based on the Top Down Example. In the project comes a character that I can move by clicking on the terrain that already comes by default. Image of gameplay: In the character's ...
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1answer
122 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 ...