| name | unity-fsm |
| description | Specialized skill for implementing a robust, extensible Finite State Machine in Unity using the State and Strategy patterns. Based on the pattern by Adam Myhre (3D Platformer). Use when creating complex AI, player controllers, or any system requiring structured state management. |
Unity Finite State Machine (FSM)
This skill provides a modular, object-oriented State Machine architecture for Unity, specifically refactored to match the implementation in Adam Myhre's 3D Platformer.
Core Features
- Object-Oriented: Each state is a dedicated class.
- Hybrid Support: Support for both "Heavy" (classes) and "Light" (
ActionState) states.
- Strategy-Based Transitions: Uses Predicates and Detection Strategies.
- Timer System: Includes Adam Myhre's
CountdownTimer and StopwatchTimer.
- Namespace Support: Uses
Platformer and Utilities namespaces.
Core Files (assets/code/)
IState.cs.txt, StateMachine.cs.txt, IPredicate.cs.txt: Base FSM logic.ActionState.cs.txt: New! Lambda-based state to reduce boilerplate.Timer.cs.txt: AI cooldown management.IDetectionStrategy.cs.txt, ConeDetectionStrategy.cs.txt: Sensing logic.PlayerDetector.cs.txt, Enemy.cs.txt, EnemyBaseState.cs.txt: AI templates.
Usage Guides
- GUIDE.md: General FSM setup and wiring.
- ENEMY-AI.md: Specific guide for implementing AI with Detection Strategies.
Implementation Pattern
- Define your states by inheriting from
BaseState.
- Wire them in your
PlayerController or EnemyAI using stateMachine.AddTransition.
- Execute via
Update() and FixedUpdate() calls to the machine.
