Added auto-portal script

Assets/measuregeneric/scripts/Autoportal.cs

@@ -0,0 +1,27 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Autoportal : MonoBehaviour
+{
+    public GameObject imposter;
+
+    private OcclusionPortal portal;
+
+    void Start()
+    {
+        this.portal = this.GetComponent<OcclusionPortal>();
+    }
+
+    private void OnTriggerEnter(Collider other)
+    {
+        this.portal.open = true;
+        this.imposter.SetActive(false);
+    }
+
+    private void OnTriggerExit(Collider other)
+    {
+        this.portal.open = false;
+        this.imposter.SetActive(true);
+    }
+}