ゲームオーバーできるようにした

Assets/Resources/Scripts/Main/CameraBehaviour.cs

@@ -8,7 +8,7 @@ public class CameraBehaviour : MonoBehaviour {
 
 	// Use this for initialization
 	void Start () {
-		IObservable<Vector3> positionObservable = Observable.EveryUpdate()
+		IObservable<Vector3> positionObservable = this.gameObject.UpdateAsObservable()
 			.Select (_ => { return trackObject.transform.position; });
 
 		positionObservable

Assets/Resources/Scripts/Main/GameManager.cs

@@ -0,0 +1,27 @@
+using UnityEngine;
+using System;
+using System.Collections;
+using UniRx;
+using UniRx.Triggers;
+
+public class GameManager : MonoBehaviour {
+	public float timeLimit = 10.0f;
+
+	// Use this for initialization
+	void Start () {
+		this.gameObject.UpdateAsObservable()
+			.Take(1)
+			.Delay(TimeSpan.FromSeconds(timeLimit))
+			.Subscribe(_ => {
+				GameClear();
+			});
+	}
+
+	public void GameOver() {
+		Application.LoadLevel ("Over");
+	}
+
+	public void GameClear() {
+		Application.LoadLevel ("Clear");
+	}
+}