Variables & Data Types
Learn GDScript variables, data types (int, float, String, Array, Dictionary), and type hints for clean code.
Scripting
No shortcutBeginner6 min readQuick Reference
Variables & Data Types
Godot EngineKeyboard Shortcut
N/A
Where to Find
Select any node → Click Attach Script button, or Script Editor panel
Best Used For
- ▸Write game logic with variables and functions
- ▸Connect nodes via signals for decoupled systems
- ▸Expose Inspector properties for designer tweaking
Beginner-Friendly⏱ 15–30 minutes to master
Key Settings
Basic:Typed:Constants:Arrays:
Variables store data in GDScript. Godot supports dynamic typing but encourages static typing with type hints for better performance and editor support.
Common types include int, float, String, bool, Vector2/Vector3, Array, and Dictionary. Use var for dynamic or var name: Type for static typing.
Where to Find It
Declare variables at the top of any GDScript file attached to a node in the Inspector.
How to Use
- Basic:
var health = 100creates a dynamic integer. - Typed:
var speed: float = 300.0uses type hints. - Constants:
const GRAVITY = 980for unchanging values. - Arrays:
var items: Array[String] = ["key", "potion"]typed arrays. - Dictionaries:
var player_data = {"name": "Hero", "hp": 100}.
Pro Tips
- Use
@onready varfor node references that resolve after_ready(). - Use typed arrays (
Array[Type]) for better autocompletion. - Prefer static typing everywhere for performance and readability.