Added tween

prefabs/lever.gd

@@ -6,9 +6,17 @@ extends Node3D
 
 @onready var visual_lever: Node3D = $Visuals/VisualLever
 
+var lever_tween: Tween = null
+
 signal changed(isUp: bool)
 
 func _on_interactable_on_hit() -> void:
 	isUp = !isUp
 	changed.emit(isUp)
-	visual_lever.rotation_degrees.x = upPosition if isUp else downPosition
+	
+	if lever_tween != null:
+		lever_tween.kill()
+	
+	lever_tween = get_tree().create_tween()
+	lever_tween.tween_property(visual_lever, "rotation_degrees:x", upPosition if isUp else downPosition, 0.5).set_ease(Tween.EASE_OUT).set_trans(Tween.TRANS_CUBIC)
+