reset managers on death/home go

Assets/Scripts/Manager/GameManager.cs

@@ -43,6 +43,16 @@ public class GameManager : MonoBehaviour
         health = startHealth;
     }
 
+    public void Reset()
+    {
+        foreach (var go in GameObject.FindObjectsByType<GameObject>(FindObjectsSortMode.None))
+        {
+            if (go != null && go != this.gameObject)
+                Destroy(go);
+        }
+        Destroy(this.gameObject);
+    }
+
     private void OnEnable()
     {
         MoneyManager.OnShopSelected += m_OnTowerShopSelected;

Assets/Scripts/UI/PlayerHealth.cs

@@ -24,6 +24,7 @@ public class PlayerHealth : MonoBehaviour
     {
         gameOver.SetActive(true);
         yield return new WaitForSecondsRealtime(5f);
+        GameManager.Instance.Reset();
         SceneManager.LoadScene(0);
     }
 

Assets/Scripts/UI/SwitchScene.cs

@@ -7,6 +7,7 @@ public class SwitchScene : MonoBehaviour
 {
     public void SwitchToScene(string scene)
     {
+        GameManager.Instance.Reset();
         SceneManager.LoadScene(scene);
     }