Portal rendering 1/2 done

Assets/Scripts/Portals/PortalManager.cs

@@ -0,0 +1,45 @@
+using System.ComponentModel;
+using UnityEngine;
+
+public class PortalManager : MonoBehaviour
+{
+    [Header("References")]
+    [SerializeField] GameObject m_OtherPortal;
+
+    [Header("Set References")]
+    [SerializeField] GameObject m_CameraPrefab;
+    [SerializeField] MeshRenderer m_PortalRenderer;
+    [SerializeField] Transform m_CapturePoint;
+
+    PortalManager m_OtherManager;
+    PortalCamera m_PortalCamera;
+
+    public PortalManager Linked() => m_OtherManager;
+
+    public Vector3 pos => transform.parent.position;
+    public Quaternion rot => transform.parent.rotation;
+
+    // Start is called before the first frame update
+    void Start()
+    {
+        // Validates that it is a portal
+        m_OtherManager = m_OtherPortal.GetComponentInChildren<PortalManager>();
+        if (m_OtherManager == null)
+        {
+            Debug.LogError("OtherPortal was not valid portal");
+            return;
+        }
+
+        // Creates the camera in top-level heirachry and stores the PortalCamera script
+        GameObject cam = Instantiate(m_CameraPrefab, transform.root.parent);
+        m_PortalCamera = cam.GetComponentInChildren<PortalCamera>();
+
+        // Initialises the camera so it renders to the portal and not the screen
+        m_PortalCamera.InitCamera(m_PortalRenderer, this);
+    }
+    public Vector3 TranslateOffset(Vector3 offset)
+    {
+        m_CapturePoint.localPosition = offset;
+        return m_CapturePoint.position;
+    }
+}