diff --git a/braincell.gd b/braincell.gd
index bff5929..fb160e4 100644
--- a/braincell.gd
+++ b/braincell.gd
@@ -23,3 +23,15 @@ func _physics_process(delta: float) -> void:
 		velocity = velocity.move_toward(Vector2(0,0), SPEED)
 
 	move_and_slide()
+
+
+func _on_door_box_area_entered(area: Area2D) -> void:
+	print(area.name)
+	if area.name == "DoorIn":
+		global_position = area.get_parent().get_parent().door_out_node.global_position
+		Router.activate_seg.emit(Router.cur_id + 1)
+		# +1 seg
+	elif area.name == "DoorOut":
+		global_position = area.get_parent().get_parent().door_in_node.global_position
+		Router.activate_seg.emit(Router.cur_id - 1)
+		# -1 seg
diff --git a/prefabs/braincell.tscn b/prefabs/braincell.tscn
index 159b45c..c2295b9 100644
--- a/prefabs/braincell.tscn
+++ b/prefabs/braincell.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=4 format=3 uid="uid://cusdydgg4b1bo"]
+[gd_scene load_steps=5 format=3 uid="uid://cusdydgg4b1bo"]
 
 [ext_resource type="Script" uid="uid://b48mlxrnte625" path="res://braincell.gd" id="1_q1ksn"]
 [ext_resource type="Texture2D" uid="uid://qyd5e7lb2esx" path="res://assets/braincell.png" id="2_wv6rk"]
@@ -6,7 +6,11 @@
 [sub_resource type="CircleShape2D" id="CircleShape2D_g14j6"]
 radius = 16.0
 
+[sub_resource type="CircleShape2D" id="CircleShape2D_q1ksn"]
+radius = 7.07107
+
 [node name="Braincell" type="CharacterBody2D"]
+z_index = 15
 motion_mode = 1
 script = ExtResource("1_q1ksn")
 
@@ -15,3 +19,10 @@ texture = ExtResource("2_wv6rk")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 shape = SubResource("CircleShape2D_g14j6")
+
+[node name="doorBox" type="Area2D" parent="."]
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="doorBox"]
+shape = SubResource("CircleShape2D_q1ksn")
+
+[connection signal="area_entered" from="doorBox" to="." method="_on_door_box_area_entered"]
diff --git a/prefabs/door.gd b/prefabs/door.gd
index f5a17b6..054ddfc 100644
--- a/prefabs/door.gd
+++ b/prefabs/door.gd
@@ -2,6 +2,8 @@ extends Node2D
 
 @export var this_seg : Node2D
 @export var prev_seg : Node2D
+@export var door_in_node : Node2D
+@export var door_out_node : Node2D
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
diff --git a/prefabs/snake_segment.gd b/prefabs/snake_segment.gd
index f3a09b1..a0f6a24 100644
--- a/prefabs/snake_segment.gd
+++ b/prefabs/snake_segment.gd
@@ -10,6 +10,7 @@ var want_direction : Vector2 = Vector2.RIGHT
 var start_pos : Vector2
 var target_pos : Vector2
 var move_progress : float
+var seg_id : int 
 
 var snake_speed : float = 1
 # if snake is the head, it chooses where it goes
diff --git a/prefabs/snake_segment.tscn b/prefabs/snake_segment.tscn
index 1738947..e6ca39c 100644
--- a/prefabs/snake_segment.tscn
+++ b/prefabs/snake_segment.tscn
@@ -7,7 +7,7 @@
 [ext_resource type="Texture2D" uid="uid://cay1k1dp8yf12" path="res://assets/door.png" id="4_34t3n"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_08kyq"]
-size = Vector2(24, 64)
+size = Vector2(16, 64)
 
 [node name="SnakeSegment" type="AnimatableBody2D" node_paths=PackedStringArray("door")]
 script = ExtResource("1_3ulhv")
@@ -22,27 +22,29 @@ script = ExtResource("2_3ulhv")
 radius = 160.0
 metadata/_custom_type_script = "uid://deq18nev0kwbg"
 
-[node name="DoorArm" type="Node2D" parent="." node_paths=PackedStringArray("this_seg")]
+[node name="DoorArm" type="Node2D" parent="." node_paths=PackedStringArray("this_seg", "door_in_node", "door_out_node")]
 script = ExtResource("4_08kyq")
 this_seg = NodePath("..")
+door_in_node = NodePath("Door/DoorIn")
+door_out_node = NodePath("Door/DoorOut")
 
 [node name="Door" type="Node2D" parent="DoorArm"]
+z_index = 11
 position = Vector2(160, 0)
-scale = Vector2(1, 1)
 
 [node name="DoorIn" type="Area2D" parent="DoorArm/Door"]
-position = Vector2(-16, 0)
+position = Vector2(-22, 0)
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="DoorArm/Door/DoorIn"]
-position = Vector2(32, 0)
+position = Vector2(14, 0)
 shape = SubResource("RectangleShape2D_08kyq")
 
 [node name="DoorOut" type="Area2D" parent="DoorArm/Door"]
-position = Vector2(16, 0)
+position = Vector2(22, 0)
 rotation = 3.14159
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="DoorArm/Door/DoorOut"]
-position = Vector2(32, 0)
+position = Vector2(14, 3.54925e-05)
 shape = SubResource("RectangleShape2D_08kyq")
 
 [node name="Sprite2D" type="Sprite2D" parent="DoorArm/Door"]
diff --git a/project.godot b/project.godot
index 9b6fd7d..a7d64c6 100644
--- a/project.godot
+++ b/project.godot
@@ -15,6 +15,10 @@ run/main_scene="uid://daqqurdrnk61h"
 config/features=PackedStringArray("4.4", "GL Compatibility")
 config/icon="res://icon.svg"
 
+[autoload]
+
+Router="*res://router.tscn"
+
 [display]
 
 window/size/viewport_width=640
diff --git a/router.gd b/router.gd
new file mode 100644
index 0000000..5eb25cd
--- /dev/null
+++ b/router.gd
@@ -0,0 +1,15 @@
+extends Node
+
+signal activate_seg(int)
+
+var current_seg : Node2D
+var cur_id : int = 0
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
diff --git a/router.gd.uid b/router.gd.uid
new file mode 100644
index 0000000..31d2657
--- /dev/null
+++ b/router.gd.uid
@@ -0,0 +1 @@
+uid://de1xqrlclscb3
diff --git a/router.tscn b/router.tscn
new file mode 100644
index 0000000..00b34a7
--- /dev/null
+++ b/router.tscn
@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3 uid="uid://dm0mfe0g3y0wl"]
+
+[ext_resource type="Script" uid="uid://de1xqrlclscb3" path="res://router.gd" id="1_rxtgq"]
+
+[node name="Router" type="Node"]
+script = ExtResource("1_rxtgq")
diff --git a/snakeManager.gd b/snakeManager.gd
index cb782d5..305f180 100644
--- a/snakeManager.gd
+++ b/snakeManager.gd
@@ -4,9 +4,11 @@ extends Node2D
 var segements : Array[snake_segment]
 @export var SNAKE_SPEED : float = 0.2
 @export var snake_line : Line2D
+@export var player : Node2D
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
+	Router.activate_seg.connect(activate_segment)
 	#segements = get_children() as Array[snake_segment]
 	segements.assign(segements_holder.get_children())
 	for i in segements.size():
@@ -18,6 +20,7 @@ func _ready() -> void:
 		if i < segements.size()-1:
 				segements[i].door.prev_seg = segements[i+1]
 		segements[i].snake_speed = SNAKE_SPEED
+		segements[i].seg_id = i
 		#segements[i].z_index = 100-i
 	activate_segment(0)
 
@@ -28,6 +31,9 @@ func _process(delta: float) -> void:
 	pass
 
 func activate_segment(act_segment : int):
+	Router.current_seg = segements[act_segment]
+	Router.cur_id = act_segment
+	player.reparent(Router.current_seg)
 	for i in segements.size():
 		if act_segment == i:
 			segements[i].become_real()
diff --git a/test.tscn b/test.tscn
index 3d1f732..0514489 100644
--- a/test.tscn
+++ b/test.tscn
@@ -13,11 +13,12 @@ position = Vector2(-160, -160)
 scale = Vector2(320, 320)
 texture = ExtResource("1_ppyta")
 
-[node name="Snake" type="Node2D" parent="." node_paths=PackedStringArray("segements_holder", "snake_line")]
+[node name="Snake" type="Node2D" parent="." node_paths=PackedStringArray("segements_holder", "snake_line", "player")]
 script = ExtResource("1_6uqi0")
 segements_holder = NodePath("SegementHolder")
-SNAKE_SPEED = 1.0
+SNAKE_SPEED = 0.3
 snake_line = NodePath("Line2D")
+player = NodePath("SegementHolder/SnakeSegment/Braincell")
 
 [node name="SegementHolder" type="Node2D" parent="Snake"]