diff --git a/portal_camera.tscn b/portal_camera.tscn
index 90af686..f628c0a 100644
--- a/portal_camera.tscn
+++ b/portal_camera.tscn
@@ -13,4 +13,5 @@ script = ExtResource("1_jsd0o")
 
 [node name="Cone" type="MeshInstance3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 0, -0.5)
+cast_shadow = 0
 mesh = SubResource("PrismMesh_llqtg")
diff --git a/project.godot b/project.godot
index 5491efe..72f7bab 100644
--- a/project.godot
+++ b/project.godot
@@ -11,6 +11,7 @@ config_version=5
 [application]
 
 config/name="Test portal transformations"
+run/main_scene="uid://bjp6cbtfne2qj"
 config/features=PackedStringArray("4.4", "Forward Plus")
 config/icon="res://icon.svg"
 
diff --git a/world.gd b/world.gd
new file mode 100644
index 0000000..67e954f
--- /dev/null
+++ b/world.gd
@@ -0,0 +1 @@
+extends Node3D
diff --git a/world.gd.uid b/world.gd.uid
new file mode 100644
index 0000000..958fe30
--- /dev/null
+++ b/world.gd.uid
@@ -0,0 +1 @@
+uid://doog05mg3bciu
diff --git a/world.tscn b/world.tscn
index 3894b54..f40f2d8 100644
--- a/world.tscn
+++ b/world.tscn
@@ -1,5 +1,6 @@
-[gd_scene load_steps=23 format=4 uid="uid://bjp6cbtfne2qj"]
+[gd_scene load_steps=24 format=4 uid="uid://bjp6cbtfne2qj"]
 
+[ext_resource type="Script" uid="uid://doog05mg3bciu" path="res://world.gd" id="1_dwbse"]
 [ext_resource type="Material" uid="uid://ghbu2w8ocp64" path="res://material_01.tres" id="1_f3sb7"]
 [ext_resource type="Shader" uid="uid://c13etsjuimkrs" path="res://portal_shader.gdshader" id="2_036b0"]
 [ext_resource type="PackedScene" uid="uid://ja485k5pgefb" path="res://node_label.tscn" id="2_fj7yv"]
@@ -83,6 +84,7 @@ albedo_color = Color(0.655993, 0.310296, 1, 1)
 material = SubResource("StandardMaterial3D_dwbse")
 
 [node name="World" type="Node3D"]
+script = ExtResource("1_dwbse")
 
 [node name="WorldEnvironment" type="WorldEnvironment" parent="."]
 environment = SubResource("Environment_pkg7o")
@@ -108,6 +110,7 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2.49309, 0)
 text = "PortalA"
 
 [node name="SubViewport" type="SubViewport" parent="PortalA"]
+process_priority = 1000
 size = Vector2i(1920, 1080)
 
 [node name="PortalCamera" parent="PortalA/SubViewport" node_paths=PackedStringArray("home", "target", "portal_mesh", "player_camera") instance=ExtResource("3_tlwt5")]
@@ -135,6 +138,7 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2.49309, 0)
 text = "PortalB"
 
 [node name="SubViewport" type="SubViewport" parent="PortalB"]
+process_priority = 1000
 size = Vector2i(1920, 1080)
 
 [node name="PortalCamera" parent="PortalB/SubViewport" node_paths=PackedStringArray("home", "target", "portal_mesh", "player_camera") instance=ExtResource("3_tlwt5")]