Added basic node system

Assets/Scripts/GameManager.cs

@@ -0,0 +1,34 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class GameManager : MonoBehaviour
+{
+
+    public GameObject player;
+    public Camera[] cameras;
+    public GameObject networkCamera;
+    
+    // Start is called before the first frame update
+    void Start()
+    {
+        
+    }
+
+    public void SetActiveCamera(int cam)
+    {
+        for (int i = 0; i < cameras.Length; i++)
+        {
+            if (i==cam) { 
+
+            }
+            cameras[i].enabled = (i == cam);
+        }
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+}