update

scenes/portal/init.gd

@@ -0,0 +1,14 @@
+extends StaticBody3D
+
+@export var stats: PortalStats
+
+func _ready() -> void:
+  add_to_group("portals")
+  PortalData.register(self, stats)
+
+func _exit_tree() -> void:
+  PortalData.deregister(self)
+
+func _on_detection_area_body_entered(body: Node3D) -> void:
+  if body is CharacterBody3D and body.name == "Player":
+    EventBus.portal_entered.emit(self, body)