---
title: Knob Logic
description: "Inherit from [UComponentLogic](https://www.lostingamestudio.com/documentation/touch-interface-designer/layout-component-logic/layout-component-logic/) Related Classes - UComponentLogic - UKnobLogic - SLayoutComponent - UComponentDecorator ## SUMMARY Interprets user inputs as a rotary knob or multi-position selector. The input action must be of type Axis1D. ## WHEN TO USE IT? When you…"
url: "https://www.lostingamestudio.com/documentation/touch-interface-designer/logic/knob-logic/"
updated: "2025-12-22"
category: Touch Interface Layout / Logic
---

# Knob Logic

Inherit from [UComponentLogic](https://www.lostingamestudio.com/documentation/touch-interface-designer/layout-component-logic/layout-component-logic/)

 Related Classes

- UComponentLogic
  - UKnobLogic
- SLayoutComponent
- UComponentDecorator

## SUMMARY

Interprets user inputs as a rotary knob or multi-position selector. The input action must be of type Axis1D.

## WHEN TO USE IT?

When you need to rotate or select something with a rotary selector. A car steering wheel or weapon selection in the quick inventory, for example.

## FREE MODE

## RANGE MODE

## SWITCH MODE