split into multiple assemblies

Assets/Portal/Runtime/HandPortalDriver.cs

@@ -0,0 +1,11 @@
+namespace EscapeRoomEngine.Portal.Runtime
+{
+    public class HandPortalDriver : PortalDriver
+    {
+        private new void Start()
+        {
+            traveller = transform.parent.parent.parent; // get the hand portal offset
+            base.Start();
+        }
+    }
+}