Ensure proper initialization of all Arrays and Dictionaries

sources/look_and_learn/look_and_learn.gd

@@ -15,16 +15,16 @@ const TracingManager: = preload("res://sources/look_and_learn/tracing_manager.gd
 @onready var grapheme_particles: GPUParticles2D = $GraphemeParticles
 
 
-var gp_list: Array[Dictionary]
+var gp_list: Array[Dictionary] = []
 var current_video: int = 0
-var videos: Array[VideoStream]
+var videos: Array[VideoStream] = []
 
 var current_image_and_sound: int = 0
-var images: Array[Texture]
-var sounds: Array[AudioStream]
+var images: Array[Texture] = []
+var sounds: Array[AudioStream] = []
 
-static var transition_data: Dictionary
-var gardens_data: Dictionary
+static var transition_data: Dictionary = {}
+var gardens_data: Dictionary = {}
 
 
 var current_tracing: int = 0

sources/look_and_learn/tracing_manager.gd

@@ -84,7 +84,7 @@ func _load_tracing(path: String) -> Array:
 	var segments: Array = []
 	var file: FileAccess = FileAccess.open(_real_path(path), FileAccess.READ)
 	while not file.eof_reached():
-		var points: Array[Vector2]
+		var points: Array[Vector2] = []
 		var line: PackedStringArray = file.get_csv_line()
 		for element: String in line:
 			if element == "":

sources/look_and_learn/tracing_path.gd

@@ -21,7 +21,7 @@ var curve_points: PackedVector2Array
 
 var is_playing: bool = false
 var is_in_demo: bool = false
-var touch_positions: Array[Vector2]
+var touch_positions: Array[Vector2] = []
 var should_play_effects: bool = false