Interaction System - Technical Overview and High-Level Guide Unreal Engine 5 | Games By Hyper
This technical guide aims to explain in detail how the core of the interaction system works.
Things that will be explained in this video:
Interface
o Interface in general
Can Interact
• Objects that a player can interact with in the world. Specifically shows text, the option to play animation, shows buttons, etc.
o And can active other interactable (Interact Interfaces)
• Specific interaction type interfaces: Toggle, Grab, Interact
Interact: Any basic interaction event. Just a simply trigger. No on/off condition given. This is the most common one.
Toggle: Two different states
Grab: Holding and moving the mouse
• These are examples of implementations for interaction, you can build upon those
o Interact component
AC_Interact components handle all the logic
• Core logic is:
o Can Interact Trace
Line Trace
Get interaction method
• If you want own new interaction method, you need to add it here to switch upon interface check.
o Interactables in Radius
Sphere Trace
o Interact Trace Channel
CanInteractSphere
• Examples:
o You can trigger interactions multiple ways.
On Overlap
On Event
• (Overlap is also an event, but can be triggered anywhere)
On Interact event instigated input by the player
• Toggle
• Grab
• Button
I hope that with this technical overview, you can learn from it and better adapt the interaction system to your liking for your own unreal engine 5 production or game.
This high level guide on a technical level will be a relative long video since I will take time to explain aspects in more detail. Feel free to reach out anytime if you have questions.
⏱️ Time Stamps:
00:00 Intro
00:26 Interfaces Intro
2:50 Interfaces
3:46 Can Interact Interface
6:27 Interact Interface
7:34 Interaction Components
8:54 Can Interact Trace - Basic comp
12:50 Interaction Tace Channel and Sphere
16:00 Interactables in Radius
19:53 Get Interaction Method
22:08 Use cases
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