diff --git a/src/app.cpp b/src/app.cpp
index f9cd33d..99be8f3 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -15,6 +15,8 @@ App::App()
 	portal100x200.half_frame_thickness = 0.1f; // 10cm offset towards the second sector
 
     auto room001 = assets::SectorDef::LoadFromFile("data/room_001");
+    auto room002 = assets::SectorDef::LoadFromFile("data/room_002");
+    auto room003 = assets::SectorDef::LoadFromFile("data/room_003");
 
 	size_t s1i = world_.AddSector(room001);
 	game::Sector& s1 = world_.GetSector(s1i);
@@ -26,11 +28,19 @@ App::App()
 	s2.AddLight(glm::vec3(0.0f, 2.0f, 1.8f), glm::vec3(1.0f, 1.0f, 0.9f), 6.0f); 
 	s2.AddLight(glm::vec3(2.0f, -0.0f, 1.0f), glm::vec3(0.0f, 1.0f, 0.0f), 3.0f); 
 
-	world_.LinkPortals(s1i, "EDoor", s1i, "EDoor", 0);
+	size_t s3i = world_.AddSector(room003);
+	game::Sector& s3 = world_.GetSector(s3i);
+	s3.AddLight(glm::vec3(0.0f, 0.0f, 1.8f), glm::vec3(1.0f, 0.0f, 0.0f), 3.0f);
+
+	//world_.LinkPortals(s1i, "EDoor", s1i, "EDoor", 0);
 	world_.LinkPortals(s1i, "NDoor", s2i, "WDoor", 0);
 	world_.LinkPortals(s2i, "NDoor", s2i, "SDoor", 0);
 	world_.LinkPortals(s2i, "EDoor", s2i, "EDoor", game::LINK_ROTATE180);
 
+	// scaling hallway
+	world_.LinkPortals(s1i, "EDoor", s3i, "BigDoor", 0);
+	world_.LinkPortals(s1i, "WDoor", s3i, "SmallDoor", 0);
+	
 	world_.Bake();
 
 	player_ = world_.Spawn<game::Player>(s1i, glm::vec3(0.0f, 0.0f, 1.0f));