Added basic node system

Assets/Scripts/Network/Node.cs

@@ -0,0 +1,41 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+    
+public class Node : MonoBehaviour
+{
+    public GameManager gameManager;
+    public bool isActive = false;
+    public enum Direction { Up, Down, Left, Right}
+    public GameObject[] connections;
+    public GameObject UI;
+
+    // Start is called before the first frame update
+    void Start()
+    {
+        gameManager = GameObject.Find("GameManager").GetComponent<GameManager>();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+
+    public void SetActiveNode()
+    {
+        if (isActive) { return; }
+        Debug.Log(string.Format("{0} became active node", gameObject.name));
+        isActive = true;
+        UI.SetActive(true);
+        gameManager.networkCamera.transform.position = new Vector3(transform.position.x, gameManager.networkCamera.transform.position.y, transform.position.z);
+    }
+
+    public void MoveToDirection(Direction dir)
+    {
+        connections[(int)dir].GetComponent<Node>().SetActiveNode();
+        UI.SetActive(false);
+        isActive = false;
+    }
+}