
描述
A lightweight and beginner-friendly modular interaction system created entirely in Unreal Engine 5 Blueprints.
Simply migrate the Interaction_System folder into your existing project and set up the interaction component on your player character.
This system supports both Press and Hold interactions using a reusable interactable base, Blueprint Interfaces, Actor Components, and a clean modular structure designed for easy expansion.
Perfect for:
horror games
adventure games
exploration games
survival games
prototypes
learning Blueprint interaction systems
Features
Press Interactions
Hold Interactions
Hold Cancel Support
Reusable Interactable Base
Modular Blueprint Structure
Interaction Prompt UI
Beginner-Friendly Setup
Easy Expansion for Custom Interactions
Single Player Focused
Clean Folder Organization
Included Examples
Door Press Interaction
Hold Interaction Object
Light Toggle Interaction
Demo Interaction Map
UI Prompt System
System Architecture
The system uses:
Blueprint Interfaces
Actor Components
Enum-based Interaction Types
Child Blueprint Interactables
UI Prompt Widgets
Included Files
AC_Interactor
BP_Interactable_Base
BP_Door_Press
BP_HoldObject
BP_LightToggle
WBP_InteractionPrompt
E_InteractionType
Demo Map
Minor Blueprint recompilation may be required after migration into newer engine versions.
Notes
This system is designed to be modular and easy to integrate into existing projects.
The included demo map uses a small number of assets/materials from Unreal Engine Starter Content and Templates for showcase purposes.
Documentation Included
A complete setup guide is included covering:
Character Setup
Input Setup
Widget Setup
Migration Notes
Creating New Interactables
Common Migration Issues






