Reworked player controller

game/entities/weapons/minelayer/minelayer_projectile.gd

@@ -2,18 +2,9 @@ extends AbstractProjectile
 
 
 @export var deceleration : int
-@export var livetime : int
 
 
-func _ready() -> void:
-	super._ready()
-	
-	var livetime_timer := Timer.new()
-	add_child(livetime_timer)
-	livetime_timer.wait_time = livetime
-	livetime_timer.one_shot = true
-	livetime_timer.timeout.connect(queue_free)
-	livetime_timer.start()
+@onready var livetime_timer := $LivetimeTimer
 
 
 func _physics_process(delta: float) -> void:
@@ -27,3 +18,7 @@ func _process_acceleration(delta: float) -> void:
 		_velocity -= _velocity.normalized() * current_deceleration
 	else:
 		_velocity = Vector2.ZERO
+
+
+func _on_livetime_timer_timeout() -> void:
+	queue_free()