Add a world model and refactor the controller

scenes/weapon/bullet.gd

@@ -13,7 +13,8 @@ func _ready() -> void:
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta):
-	position += transform.basis * Vector3(0, 0, 	SPEED) * delta
+	print("bullet:")
+	position += transform.basis * Vector3(0, 0, SPEED) * delta
 	ray.collision_mask = 1
 	ray.enabled = 1
 	if ray.is_colliding():