diff --git a/src/camera_3d.gd b/src/camera_3d.gd
index 975afa9..7051c6e 100644
--- a/src/camera_3d.gd
+++ b/src/camera_3d.gd
@@ -11,5 +11,7 @@ func _unhandled_input(event: InputEvent) -> void:
     if event.is_pressed():
       if event.button_index == MOUSE_BUTTON_WHEEL_UP:
         self.fov -= 1 * (5 if Input.is_key_pressed(KEY_SHIFT) else 1)
+        self.size -= 1 * (0.2 if Input.is_key_pressed(KEY_SHIFT) else 0.05)
       if event.button_index == MOUSE_BUTTON_WHEEL_DOWN:
         self.fov += 1 * (5 if Input.is_key_pressed(KEY_SHIFT) else 1)
+        self.size += 1 * (0.2 if Input.is_key_pressed(KEY_SHIFT) else 0.05)
diff --git a/src/level_manager.gd b/src/level_manager.gd
index 0d96c85..0976147 100644
--- a/src/level_manager.gd
+++ b/src/level_manager.gd
@@ -3,12 +3,11 @@ extends Node
 var CURRENT_LEVEL: Node3D = null
 var CURRENT_PLAYER: CharacterBody3D = null
 var combined_signal : Observable
-var prop = ReactiveProperty.new(42)
 
 signal TestSignal
 
 func _ready() -> void:
-  var lvl: Resource = load("res://assets/levels/level1.tscn")
+  var lvl: Resource = load("res://assets/levels/maps/debug1.tscn")
   var player: Resource = load("res://assets/characters/player.tscn")
   CURRENT_LEVEL = lvl.instantiate()
   CURRENT_PLAYER = player.instantiate()
@@ -16,16 +15,14 @@ func _ready() -> void:
   add_child(CURRENT_LEVEL)
   CURRENT_LEVEL.add_child(CURRENT_PLAYER)
   combined_signal = GDRx.from_signal(Messagebus.CHANGE_SCENE)\
-    .first()\
-    .debounce(1)
+    .debounce(0.2)
   combined_signal.subscribe(transition_to).dispose_with(self)
-  #prop.subscribe(func(i): print(">> ", i))
 
-func transition_to(scene: PackedScene):
+func transition_to(scene: String):
   print(">>>>>>>"+str(scene))
   CURRENT_LEVEL.remove_child(CURRENT_PLAYER)
   remove_child(CURRENT_LEVEL)
-  var lvl = load(scene.resource_path)
+  var lvl = load("res://assets/levels/maps/"+scene+".tscn")
   var new_level = lvl.instantiate()
   new_level.add_child(CURRENT_PLAYER)
   CURRENT_PLAYER.transform.origin = Vector3(0, 1, 0)
diff --git a/src/messagebus.gd b/src/messagebus.gd
index 99b43b3..48da7e2 100644
--- a/src/messagebus.gd
+++ b/src/messagebus.gd
@@ -1,3 +1,5 @@
 extends Node
 
-signal CHANGE_SCENE(scene)
+signal CHANGE_SCENE(scene: String)
+signal DEBUG_XYZ(origin: Vector3)
+signal DEBUG_MAP(name: String)
diff --git a/src/viewport.gd b/src/viewport.gd
index 3332349..44dbfde 100644
--- a/src/viewport.gd
+++ b/src/viewport.gd
@@ -3,7 +3,7 @@ extends MeshInstance3D
 
 func _ready():
   if material_override != null:
-    material_override.albedo_texture = $SubViewport.get_texture() 
+    material_override.albedo_texture = $SubViewport.get_texture()
 
 #func _process(delta):
   #self.look_at(camera.global_position, Vector3.UP, true)