Add fade away component, simple AI and shooting

scripts/components/periodic_shooting.gd

@@ -0,0 +1,44 @@
+class_name PeriodicShootingComponent
+extends Node
+
+@export var bullet_scene: PackedScene = preload("res://objects/bullet.tscn")
+@export var shoot_interval: float = 1.0
+@export var shoot_direction: Vector2 = Vector2.RIGHT
+@export var side_to_side_movement: SideToSideMovement
+@export var root: Node2D
+
+var timer: Timer
+
+
+func _ready() -> void:
+	root = get_parent()
+	setup_timer()
+
+
+func _process(_delta: float) -> void:
+	if side_to_side_movement:
+		shoot_direction = side_to_side_movement.direction if side_to_side_movement.direction != Vector2.ZERO else Vector2.RIGHT
+
+func shoot() -> void:
+	if shoot_direction == Vector2.ZERO:
+		return
+		
+	var bullet_instance: Node2D = bullet_scene.instantiate()
+	var bullet_component: BulletComponent = bullet_instance.get_node("BulletComponent")
+	bullet_instance.position = root.position
+	bullet_component.direction = shoot_direction
+	get_tree().current_scene.add_child(bullet_instance)
+
+
+func on_timer_timeout() -> void:
+	shoot()
+	timer.start()
+
+
+func setup_timer() -> void:
+	timer = Timer.new()
+	timer.wait_time = shoot_interval
+	timer.one_shot = false
+	timer.autostart = true
+	timer.timeout.connect(on_timer_timeout)
+	add_child(timer)