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Questions tagged [blueprints]

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

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23 views

Switch from left click to right click to make character walk in the Top Down Example, in UE4?

When creating a new project in the Unreal Engine 4, you can choose to create a project already with some added features and things (Top Down Example): This project has a character (which I changed ...
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25 views

Placing tile on second layer results in wrong tile, or changes nearby tiles

So I am working on a 2d game and running into strange behavior when trying to add tiles to a tile map. The first layer seems to work fine but if I add a new layer it will always place the same tile ...
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1answer
24 views

ue4 - create a instance of a c++ class within a blueprint

i'd like to create a instance of a c++ written class in a blueprint. that's my current approach, but the instance is 'None'. any advices? =)
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21 views

Unreal Engine and Simple Animation

I am creating a card based game and I am stuck on an animation detail. My question is I need an animation to shuffle the deck, a animation for dealing and an animation for drawing. My question is ...
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1answer
105 views

Unreal 4 - How to access and iterate through the polygons of a mesh?

I'm newbie with Unreal Engine 4. I need to create a function which calculates the volume of a mesh, based on the following example: https://n-e-r-v-o-u-s.com/blog/?p=4415 To achieve that I created ...
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1answer
178 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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1answer
113 views

UE4 Get direction of Ball rolling and boost it

I'm sitting on some kind of a Minigolf-Game in my freetime. There is a PowerUp collectable which should give the ball a boost. I tried it with SetPhysicsLinearVelocity and also with AddForce. ...
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1answer
172 views

How to return reference from BlueprintImplementableEvent?

I've got a C++ component and I want to have function which will be implemented in Blueprint like this: ...
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2answers
76 views

How can I add left and right movement to my sprite without reducing forward movement?

I've made a character sprite that moves left and right when I press A and D, and moves forward automatically. However, whenever the character moves left or right, the forward movement is greatly ...
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0answers
26 views

Unreal Expose Terrain Layers via a blueprint

I have the below play area and I have 4 terrain materials defined in a material and attached to the terrain. What I want to achieve is a way to use a blueprint to expose the pathway layer through the ...
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1answer
63 views

Rotation doesn't turn towards characters on right

So I'm working on a tower defense type of game and I have a rotation set up that is supposed to follow a chosen enemy. What I'm seeing is when the enemy comes from the left the turret turns quickly to ...
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86 views

Link between render translation and x,y position

I am trying to understand how the set render translation node of the "on drag detected" function links to the x and y position of the widget item. From the attached image (widget item) it can be seen ...
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0answers
117 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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343 views

UE4 Lighting scenario baking with multiple streaming sub-levels

I am trying to bake multiple levels with lighting scenario, but the levels don't bake at all. I put the lights and other non geometry stuff in persistent level, the sub levels consists of individual ...
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1answer
227 views

UE4 Drag and Drop: Place PaperCharacter Over Image Widget

I'm working on adding drag and drop functionality to my game. I have it working with the exception of I can't get what I'm dropping to be placed where it was dropped. I've tried a number of different ...
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1answer
635 views

How can I make custom progress bar in unreal engine?

I am trying to make a health bar. I want a masked progress bar so I tried making another progress bar and moving according to the percent of the health in blueprint. But I couldn't find any ...
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0answers
143 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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1answer
376 views

How to stop and start sprite sheet flipbook materials in a widget blueprint?

I have a flipbook material I created from a sprite sheet to add some fireworks to a game I'm working on. I have the material set up and it is showing the animation of the firework like it should. ...
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1answer
2k views

How to change fps character's movement speed and mouse sensitivity in UE4?

As the title says, I'm using the default fps template from UE4 (blueprint template) and the movement speed is very high, also I want to adjust the mouse sensitivity, but I don't know where are those ...
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1answer
54 views

Why Are Some Foreign Characters Not Displaying Properly

I am localizing a game for the first time and I'm noticing some characters are not displaying properly. Most are fine but there is a small handful that are not correct. For example on a loading screen ...
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1answer
3k views

How can I get a reference to an actor that's already in a scene in Unreal?

I'd like to know if there is a way to get a reference to the instance of an Actor (written in c++) in the scene from a blueprint even if it's not in the scene, or at least without making a new one ...
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1answer
339 views

Why does execution continue when a delay is hit

I am working on a tile based game. I have a board generator and on the hard level I have to create 900 game tiles and add them to the screen. This takes about 3 to 4 seconds to complete. I started ...
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1answer
183 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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1answer
396 views

HUD Text not displaying/drawing

I am trying to use blueprints to display my character's speed using a HUD, but for some reason the text is not displaying. What am I doing wrong? I am using the First Person template.
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1answer
224 views

Can Unreal Engine Blueprints do everything C ++ code can?

Can Unreal Engine Blueprints do everything that C++ code can? Or are there limitations and some stuff you can't do in Blueprint and only using C++?
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2answers
32 views

Adding 2 sounds to 1 asset

I've got a sound looping from the start of the game, working exactly as I need it to. What I need is a second sound to alert the player that they have located the hidden object (the first sound is a ...
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1answer
344 views

increasing speed of sound as player approaches

I am trying to create a sound that increases in speed as the player gets closer to the object. The sound is just a single 'ping' and will increase in frequency as we approach, once we are on top of it,...
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0answers
276 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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1answer
612 views

How do I make a 2D World Political map in unreal engine 4?

Can someone explain the basics of making a 2D World map in unreal engine 4 (e.g. similar to the ones used in Plague inc., age of civilizations, etc.) I've seen it being done in unity, but couldn't ...
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1answer
381 views

Issue in using Set Integer (by ref) in Unreal Engine 4.16 blueprint

I am trying to set the value of an integer by reference in a macro created in my blueprint script. The macro does a simple conditional check of an integer and increments it if it is less than a max ...
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1answer
79 views

Root Animation unusual position and non root animation snaps back

Im trying to do a stop animation . when i release the W key then from Run it will do this animation then goto IDLE . But somehow this is not working right. as you see in those videos below. So how do ...
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2answers
699 views

UE4 - Loop through pixels for material

I am using Unreal Engine 4, and I want to try to procedurally generate a grass texture. For now, I am using a noise block. Now I want to loop through every 16 pixels or whatever (4x4 squares), take ...
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2answers
905 views

Why is Unreal Engine Blueprint Editor so slow?

Blueprint Editor is extremely slow on my Ubuntu 16.04. Can I improve performance without upgrading?
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0answers
60 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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0answers
101 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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1answer
1k views

How to display Render Target live to HUD widget in UE4

I'm making a security camera system in Unreal Engine 4. It allows the player to 'activate' the monitor, which should display the Render Target texture or the material made from it on the HUD. However, ...
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2answers
1k views

How do I make wasd controls for a top down game in unreal engine 4.13.1

I've been trying to make controls for a top down game in unreal engine 4 but I can't figure out how to make it and all the tutorials I've been seeing are outdated.
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0answers
69 views

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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1answer
87 views

Unreal - AI's can't target buildings

After following some of the Unreal tutorials, I was able to create an AI that tracks the player. Now I want it to target specific buildings. I have tried various methods of modifying what was ...
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1answer
742 views

Display a variable in the UI

I have been searching and searching for an answer to this question but nobody seems to be helping me. I have wasted the past two hours trying to figure out how to do this, so please help me out here. ...
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0answers
116 views

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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0answers
559 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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0answers
61 views

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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0answers
60 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 ...