Replace get_node with $ notation

game/Game.gd

@@ -2,8 +2,8 @@
 
 extends Node2D
 
-onready var pillar_spawner := get_node("PillarSpawner")
-onready var score_label : Label = get_node("BackgroundLayer/ScoreLabel")
+onready var pillar_spawner := $PillarSpawner
+onready var score_label : Label = $BackgroundLayer/ScoreLabel
 
 var score := 0
 

game/Gnu/Gnu.gd

 extends KinematicBody2D
 
-onready var tween : Tween = get_node("Tween")
-onready var sprite : Sprite = get_node("Sprite")
-onready var collision_shape : CollisionShape2D = get_node("CollisionShape2D")
+onready var tween : Tween = $Tween
+onready var sprite : Sprite = $Sprite
+onready var collision_shape : CollisionShape2D = $CollisionShape2D
 
 export var gravity := 4000.0
 export var flap_force := 1200.0

game/Pillar/Pillar.gd

@@ -2,8 +2,8 @@ extends StaticBody2D
 
 signal checkpoint_reached
 
-onready var notifier : VisibilityNotifier2D = get_node("VisibilityNotifier2D")
-onready var checkpoint : Area2D = get_node("Checkpoint")
+onready var notifier : VisibilityNotifier2D = $VisibilityNotifier2D
+onready var checkpoint : Area2D = $Checkpoint
 
 
 func _ready() -> void:

game/PillarSpawner/PillarSpawner.gd

@@ -9,7 +9,7 @@ and increase the Gnu's horizontal move speed
 
 signal pillar_checkpoint_reached
 
-onready var spawn_area := get_node("SpawnArea")
+onready var spawn_area := $SpawnArea
 
 export var spawn_interval := 400.0
 

game/ScoreLabel/ScoreLabel.gd

 extends Label
 
-onready var tween : Tween = get_node("Tween")
+onready var tween : Tween = $Tween
 
 const WHITE_OPAQUE := Color('aaffffff')
 const WHITE_TRANSPARENT := Color('44ffffff')

game/SpriteSpawner/SpriteSpawner.gd

@@ -5,7 +5,7 @@ Repeats a sprite hozitontally infinitely by spawning enough sprites to always
 fill the view
 """
 
-onready var spawn_position : Position2D = get_node("SpawnPosition")
+onready var spawn_position : Position2D = $SpawnPosition
 
 export var sprite_scene : PackedScene