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Summary - GDScript

Reinforce GDScript basics with a summary task.

Summary: GDScript Fundamentals

In this module, you mastered the fundamentals of GDScript, Godot Engine's native language. Scripts commence with extends Node, declare state with var, and organize routines via func.

extends Node

var score: int = 0

func add_score(amount: int) -> void:
    score += amount
    print("Score: " + str(score))

print() supplies console tracing, while : and -> establish type safety across scripts.

Practice Print GDScript summary function

Define the function get_summary(name: String, level: int) -> String returning "Hero: " + name + " | Lv: " + str(level). In _ready, call it with "Warrior" and 10 and print the output.

Starter code

Player.cs
extends Node

# get_summary fonksiyonunu ve _ready metodunu tanimla

Sample solution

Player.cs
extends Node

func get_summary(name: String, level: int) -> String:
    return "Hero: " + name + " | Lv: " + str(level)

func _ready():
    var result: String = get_summary("Warrior", 10)
    print(result)

Expected output

Hero: Warrior | Lv: 10

Questions and answers

Review the lesson questions together with their answers. To test yourself, solve the lesson interactively.

1 Which statement regarding GDScript is correct?

  • It uses Python-like indentation, inherits from Node classes via extends, and declares functions with func. Correct answer
  • It operates exclusively in web browsers and cannot be executed directly in Godot.
  • Variables exclusively use const instead of var and custom functions cannot be written.
  • Code blocks are delineated with braces { } and semicolons are strictly required.

Explanation: GDScript is Godot's language featuring Python-like clean indentation, using extends and func keywords.

2 Add return type hint

Question 
func get_name() -> ____:
Answer 
func get_name() -> String:

Explanation: In GDScript, the return type of functions returning text is specified as 'String'.

3 GDScript general summary

Term Meaning
extends Node Declares deriving from Node class
var Keyword to declare new variables
func Keyword used to define functions
print Function printing output to console

All lessons in Beginner

1 What is game development?

  1. Intro to game development
  2. Game engines
  3. 2D and 3D games
  4. The game loop
  5. The scene concept
  6. Summary - Game dev fundamentals

2 Unity setup

  1. Installing Unity Hub
  2. Creating your first project
  3. The editor interface
  4. Toolbar and playback
  5. Saving the project
  6. Summary - Unity setup

3 First scene project

  1. Project overview
  2. Camera and light
  3. Your first cube in the scene
  4. Adding a material
  5. Testing in Play mode
  6. Summary - First scene

4 The GameObject concept

  1. What is a GameObject?
  2. Components
  3. The Hierarchy window
  4. Editing with the Inspector
  5. Tags and Layers
  6. Summary - GameObject

5 C# script basics

  1. Your first C# script
  2. using and namespace
  3. Class structure
  4. Variables and types
  5. Output with Debug.Log
  6. Summary - C# basics

6 MonoBehaviour

  1. What is MonoBehaviour?
  2. The Start method
  3. The Update method
  4. Awake vs Start
  5. SerializeField and public
  6. Summary - MonoBehaviour

7 Transform

  1. What is Transform?
  2. Changing position
  3. Moving with Translate
  4. Changing rotation
  5. Local vs world space
  6. Summary - Transform

8 Input

  1. The Input class
  2. Axis input
  3. Mouse input
  4. The new Input System
  5. Movement vector
  6. Summary - Input

9 Physics (Rigidbody/Collider)

  1. What is a Rigidbody?
  2. What is a Collider?
  3. Applying force with AddForce
  4. Collision events
  5. Trigger events
  6. Summary - Physics

10 2D Sprite

  1. What is a Sprite?
  2. SpriteRenderer
  3. Sprite import settings
  4. Sprite sorting
  5. Preparing sprite animation
  6. Summary - 2D Sprite

11 Godot basics

  1. The Godot editor
  2. A new project
  3. The scene tree
  4. The Node concept
  5. Saving the project
  6. Summary - Godot basics

12 GDScript

  1. What is GDScript?
  2. extends and variables
  3. Function definition
  4. Output with print
  5. Type hints
  6. Summary - GDScript

13 Node and Scene

  1. Node2D and Sprite2D
  2. Saving a scene
  3. Scene instance
  4. The _ready method
  5. The _process method
  6. Summary - Node and Scene

14 Beginner final

  1. Challenge 1: Print a score
  2. Challenge 2: Movement vector
  3. Challenge 3: Godot ready
  4. Challenge 4: Collision log
  5. Challenge 5: Final synthesis