add theme, player simple attack

scripts/components/bullet.gd

@@ -1,7 +1,6 @@
 class_name BulletComponent
 extends Node
 
-
 @export var root: Node2D
 @export var direction: Vector2 = Vector2.RIGHT
 @export var speed: float = 10.0
@@ -10,23 +9,27 @@ extends Node
 @export var life_time: float = 5.0
 @export var timer: Timer
 
+
 func _ready() -> void:
 	root = get_parent()
 	visibility_notifier.screen_exited.connect(_on_screen_exited)
 	area2d.body_entered.connect(on_area2d_body_entered)
-	
+
 	timer.wait_time = life_time
 	timer.timeout.connect(on_timer_timeout)
 
+
 func _physics_process(delta: float) -> void:
 	root.position += direction * speed * delta
-		
+
+
 func _on_screen_exited() -> void:
 	root.queue_free()
-	
+
+
 func on_area2d_body_entered(_body: Node2D) -> void:
 	root.queue_free()
-	
-	
+
+
 func on_timer_timeout() -> void:
 	root.queue_free()