*

Assets/Scripts/MenuManager.cs

@@ -0,0 +1,61 @@
+using UnityEngine;
+using System.Collections;
+
+[ExecuteInEditMode]
+public class MenuManager : MonoBehaviour {
+	public MenuLayer activeMenu;
+	public MenuLayer previousMenu;
+	private MenuLayer[] menuArray;
+	// Use this for initialization
+	void Start () {
+		menuArray = GameObject.FindObjectsOfType<MenuLayer> ();
+		foreach (var m in menuArray) {
+			m.manager = this;
+			Debug.Log("Found menu: " + m.Name);
+		}
+	}
+	
+	// Update is called once per frame
+	void Update () {
+	
+	}
+
+	public MenuLayer GetMenu(string menuName){
+		if (string.IsNullOrEmpty (menuName)) {
+			return null;
+		}
+		foreach (var m in menuArray) {
+			if(m.Name == menuName){
+				return m;
+			}
+		}
+		return null;
+	}
+
+	public void ActivateMenu(string menu){
+		var nextMenu = GetMenu (menu);
+		if (activeMenu == nextMenu) {
+			return;
+		}
+
+		if (activeMenu != null) {
+			activeMenu.Leave();
+		}
+		previousMenu = activeMenu;
+		activeMenu = nextMenu;
+		if (nextMenu != null) {
+			nextMenu.Enter();
+		}
+	}
+
+	public void ActivatePreviousMenu(){
+		ActivateMenu (previousMenu == null ? "" : previousMenu.Name);
+	}
+
+	/*void OnGUI(){
+		if (activeMenu == null) {
+			return;
+		}
+		activeMenu.Draw ();
+	}*/
+}