The scene tree

Learn how a scene is organized as a tree in Godot.

A scene is a tree

In Godot every scene is arranged as a tree, and each part of the tree is called a node. In the Scene panel the root node appears at the top and its children are listed under it, nested. By dragging a node under another node you change the hierarchy.

func _ready():
    print("AnaSahne")
    print("  Oyuncu")
    print("    Silah")

This output shows that the Silah node sits under Oyuncu, and Oyuncu sits under AnaSahne.

Node paths

You can also reach every node in the tree by its path; a path joins the node names from the root with /. A node keeps its own name in the name property, and the node right above it comes from the get_parent() call. This way you can compute a node's place in the tree in a single line.

func _ready():
    print(get_parent().name + "/" + name)

If the Oyuncu node sits under AnaSahne, this line prints AnaSahne/Oyuncu.

Exercise Build a tree path

Inside _ready, define three variables: kok = "AnaSahne", oyuncu = "Oyuncu" and silah = "Silah". On the first line print the three names joined with / after the label Yol: , and on the second line print the root after the label Kök: .

Show example solution

func _ready():
    var kok = "AnaSahne"
    var oyuncu = "Oyuncu"
    var silah = "Silah"
    print("Yol: " + kok + "/" + oyuncu + "/" + silah)
    print("Kök: " + kok)

Test yourself

In Godot, how are the pieces of a scene organized?
- As a tree; every piece is called a node
- As a grid; every piece sits in a cell
- As a folder structure; every piece is a separate file
- As a flat list; every piece gets a number
Show answer

As a tree; every piece is called a node — Scenes are trees; there is one root node and the other nodes are ordered under it as children.

Calling the parent node

func _ready():
    print(____).name + "/" + name)

Show answer

func _ready():
    print(get_parent()).name + "/" + name)

Tree terms

Kök düğüm

Topmost node in the tree
Çocuk düğüm

Node placed under another node
Düğüm yolu

Path from root to target node
Hiyerarşi

Parent-child node structure

Next lesson: The Node concept

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