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Touch Interface

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Getting Started

8

Enable Plugin
What is Touch Interface Designer?
Create Touch Interface
Add Touch Interface on screen
Set Input Mode
Required settings
Examples and Tutorials
Integration into clean project [UE5.3]

Touch Interface

12

What is it?
Touch Interface Subsystem
Basic Functions
Input Functions
Visibility Functions
Data Functions
Visual Functions
Size & Position Functions
Drawer Functions
Utility Functions
Save Functions
Cohabitation with UMG Widget

Touch Interface Editor

10

Overview
Toolbar
Navigation
Edit Interface Settings
Add or remove virtual input
Virtual Input Previewer
Group Virtual Input
Preset
Calculate Portrait Position
Change background

Virtual Input

9

Configure a virtual input button
Configure a virtual input joystick
Configure a Touch Region
Configure the appareance of virtual input
How to receive input from Touch Interface in blueprint?
How to receive input from Touch Interface in C++?
Virtual Input Modifier
Virtual Input Event
Virtual Input Object

Virtual Input Editor

4

What is it?
Overview
Navigation
Edit virtual input object

Layout

5

What is it?
Layout Subsystem
Cohabitation with UMG Widget
Class hierarchy
Touch Interface Layout

Layout Component

3

Layout Component
Touch Input Component
Group Input Component

Layout Component Logic

8

Layout Component Logic
Button Logic
Joystick Logic
Advanced Joystick Logic
Multitouch Logic
Free Touch Logic
Knob Logic
Slider Logic

Layout Component Decorator

8

Layout Component Decorator
Decorator Layer
Blur Layer
Flipbook Layer
Linear Progress Bar Layer
Radial Progress Bar Layer
Text Layer
Widget Layer

Layout Editor

6

Overview
Toolbar
Navigation
Edit Layout Settings
Edit Component
Edit Background

Virtual Shape Editor

6

What is it?
Overview
Navigation
Edit virtual shape
Cleaner Filters
Detect Filters

Recognizer

4

Touch Interface Listener
Gesture Recognizer
Motion Recognizer
Shape Recognizer

Features & Components

9

UMG Helper
Touch Interface Layout Previewer
Built-in save system
Built-in save system with layout
Gamepad detection
Touch Interface Library
Virtual Shape Drawer
Touch Interface Configurator
Layout Modifier

Multiplayer

2

Prerequisites
How to test multiplayer?

Settings

2

Touch Interface Editor
Touch Interface

Examples

2

Auto Move and/or Drag to Sprint configuration
Use Touch Interface Designer with Lyra Project

Tutorial

3

How to convert Unreal Touch Interface?
How to convert Virtual Control Setup to Layout?
How do I install Touch Interface Designer on Linux?

FAQ

8

Why unreal engine crash when an other level is open in play in editor (PIE) ?
Why, on Linux, do I have to compile the plugin every time it is updated?
Why older engine is no longer supported?
How to install this plugin in projet (not in engine with marketplace)
What are the evolutions to come ?
Why, on PC, the Released event on a UMG button is called after a few seconds while I am still pressing it?
Why can’t my virtual inputs be placed above a Widget created with UMG?
My Touch Interface is not visible on PC (Desktop Platform)

Release Notes

34

v2025.1.10 (08/14/2025)
v2025.1.9 (08/08/2025)
v2025.1.8 (07/08/2025)
v2025.1.7 (released 07/02/2025)
v2025.1.6 (released 06/26/2025)
v2025.1.5 (released 06/14/2025)
v2025.1.4 (released 06/13/2025)
v2025.1.3 (released 06/07/2025)
v2025.1.2 (released 04/30/2025)
v2025.1.1 (released 04/07/2025)
v2025.1 (released 04/03/2025)
v2024.2.1 (09/11/2024)
v2024.2 (released 09/03/2024)
v2024.1.4 (released 07/10/2024)
v2024.1.3 (released 06/04/2024)
v2024.1.2 (released 05/22/2024)
v2024.1.1 (released 05/03/2024)
v2024.1 (released 04/11/2024)
v3.2 (released 06/07/2023)
v3.1.3 (released 04/12/2023)
v3.1.2 (released 02/20/2023)
v3.1.1 (released 01/31/2023)
v3.1 (released 01/26/2023)
v3.0 prod (released 12/18/2022)
v3.0 beta 1 (released 11/15/2022)
v2.3.3 (released 09/29/2022)
v2.3.2 (released 09/20/2022)
v2.3.1 (released 09/09/2022)
v2.3.0 (released 09/01/2022)
v2.2.0 (released 08/19/2022)
v2.1.0 (released 07/22/2022)
v2.0.2 (released 06/30/2022)
v2.0.1 (released 06/13/2022)
v2.0 (released 05/26/2022)

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Touch Interface Designer
Touch Interface

Touch Interface

What is it?
Touch Interface Subsystem
Basic Functions
Input Functions
Visibility Functions
Data Functions
Visual Functions
Size & Position Functions
Drawer Functions
Utility Functions
Save Functions
Cohabitation with UMG Widget

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Lost in Game Studio develops video games and development tools for the Unreal Engine, shares its knowledge and trains new developers (French only).

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