1.     public Transform playerCamera;
2.     public Transform portal;
3.     public Transform otherPortal;
4.     float myAngle;
5.     // Start is called before the first frame update
6.     void Start()
7.     {
8.        
9.     }
10.  
11.     // Update is called once per frame
12.     void Update()
13.     {
14.         Vector3 playerOffsetFromPortal = playerCamera.position - otherPortal.position;
15.         transform.position = portal.position + playerOffsetFromPortal;
16.         float angularDifferenceBetweenPortalRotations = Quaternion.Angle(portal.rotation,otherPortal.rotation);
17.         if (myAngle == 90 || myAngle == 270)
18.         {
19.             angularDifferenceBetweenPortalRotations -= 90;
20.         }
21.         Quaternion portalRotationalDifference =
22.         Quaternion.AngleAxis(angularDifferenceBetweenPortalRotations, Vector3.up);
23.         Vector3 newCameraDirection = portalRotationalDifference * playerCamera.forward;
24.         if (myAngle == 90 || myAngle == 270)
25.         {
26.             newCameraDirection = new Vector3(newCameraDirection.z * -1, newCameraDirection.y,
27.             newCameraDirection.x);
28.             transform.rotation = Quaternion.LookRotation(newCameraDirection, Vector3.up);
29.         }
30.         else
31.         {
32.             newCameraDirection = new Vector3(newCameraDirection.x * -1, newCameraDirection.y,
33.             newCameraDirection.z * -1);
34.             transform.rotation = Quaternion.LookRotation(newCameraDirection, Vector3.up);
35.         }
36.     }