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Lost in Game Studio

HOME
BUY
TOOLS
- Unreal Engine Plugins
  - Touch Interface Designer
    - Documentation
  - Impact Designer
    - Documentation
LEARN
BLOG
CONTACT

Getting Started

13

Enable Plugin
What is Touch Interface Designer?
Create Touch Interface
Add Touch Interface on screen
Set Input Mode
Required settings
Receive input from Touch Interface
Add Layout Component
Define the appearance of the layout component
Define the behavior of the layout component
Get gesture events
C++ API Reference
Templates, Examples and Tutorials

Touch Interface Layout

6

Touch Interface Layout
Layout Component
Layout Group Component
Class hierarchy
Touch Interface Subsystem
Cohabitation with UMG Widget

Logic

10

Component Logic
Button Logic
Joystick Logic
Advanced Joystick Logic
Multitouch Logic
Free Touch Logic
Knob Logic
Slider Logic
Input Modifier
Input Trigger

Decorator

9

Component Decorator
Component Decorator Group
Retainer Decorator
Blur Decorator
Flipbook Decorator
Progress Bar Decorator
Text Layer
Widget Layer
Component Decorator Animation

Touch Interface Layout Editor

6

Overview
Toolbar
Navigation
Edit Touch Interface Layout Settings
Edit Component
Edit Background

Virtual Shape Editor

5

Overview
Navigation
Edit virtual shape
Cleaner Filters
Detect Filters

Recognizer

4

Touch Interface Listener
Gesture Recognizer
Motion Recognizer
Shape Recognizer

Features

7

Touch Interface Library
Virtual Shape Drawer
Touch Interface Layout Previewer
Built-in save system
Auto Remove Touch Interface
Gamepad Detection
Layout Modifier

Multiplayer

3

Prerequisites
How to test local multiplayer?
How to test online multiplayer?

Settings

2

Touch Interface Editor
Touch Interface

Examples

2

Touch Interface Designer Template
Use Touch Interface Designer with Lyra Project

Tutorial

5

How to convert Unreal Touch Interface?
How to convert Virtual Control Setup to Layout?
How do I install Touch Interface Designer on Linux?
How to modify the appearance of the layout component?
How to modify the behavior of the layout component?

FAQ

8

What is input injection?
Why unreal engine crash when an other level is open in play in editor (PIE) ?
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 layout component be placed above a Widget created with UMG?
My Touch Interface is not visible on PC (Desktop Platform)

Release Notes

41

2026.1.2 (06/15/2026)
2026.1.1 (06/12/2026)
v2026.1 (06/05/2026)
v2025.2.3 (02/20/2026)
v2025.2.2 (03/01/2026)
v2025.2.1 (01/08/2026)
v2025.2 (12/10/2025)
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
Release Notes
v3.1.2 (released 02/20/2023)

v3.1.2 (released 02/20/2023)

< 1 min read

Improvements

Size reduction for device mockup

Updated on June 7, 2024

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v3.1.3 (released 04/12/2023)v3.1.1 (released 01/31/2023)

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