implemented restart function after gameover.

Assets/Scripts/GameMaster.cs

@@ -9,9 +9,14 @@ public class GameMaster : MonoBehaviour
   public PlayerControl[] playerPrefabs;
   public GameObject gameOverPanel;
   public Text rankingText;
+  private GameStateTracker gameStateTracker;
+
+  private GameObject deleteAllChildrenAtRestart;
 
   void Start()
   {
+    deleteAllChildrenAtRestart = GameObject.Find("ObjectsToDeleteAtRestart");
+    gameStateTracker = GetComponent<GameStateTracker>();
     levelLoader = new DeserializedLevelsLoader();
     levelLoader.load();
   }
@@ -28,10 +33,15 @@ public class GameMaster : MonoBehaviour
 
   private void deleteAllPlayers()
   {
-    foreach (GameObject player in GameObject.FindGameObjectsWithTag("Player"))
-      Object.Destroy(player, 0f);
-  }
+    foreach (Transform child in deleteAllChildrenAtRestart.transform)
+    {
+      if (child != deleteAllChildrenAtRestart.gameObject)
+      {
+        Destroy(child.gameObject,0f);
+      }
+    }
 
+  }
   private void spawnPlayers(int count)
   {
     Debug.Log("spawning " + count + " players");
@@ -51,6 +61,8 @@ public class GameMaster : MonoBehaviour
           playerPrefabs[i % playerPrefabs.Length],
           startPositions[i].transform.position,
           Quaternion.identity);
+
+      player.transform.parent = deleteAllChildrenAtRestart.transform;
       player.init(i + 1);
     }
   }
@@ -89,4 +101,24 @@ public class GameMaster : MonoBehaviour
       rankingText.text += "\n4th: " + ranking[3];
     }
   }
+
+
+  void Update()
+  {
+    if (gameOverPanel.activeSelf)
+    {
+      if (Input.GetKeyDown(KeyCode.Space))
+      {
+        gameStateTracker.reset();
+
+        loadLevel(gameStateTracker.getNumberOfPlayers()); //loads a new level randomly
+        rankingText.text = "";
+        gameOverPanel.SetActive(false);
+      }
+      else if (Input.GetKeyDown(KeyCode.Return))
+      {
+
+      }
+    }
+  }
 }

Assets/Scripts/GameStateTracker.cs

@@ -19,6 +19,11 @@ public class GameStateTracker : MonoBehaviour
   private GameMaster gameMaster;
 
 
+  public int getNumberOfPlayers()
+  {
+    return numberOfPlayers;
+  }
+
   void Awake()
   {
     ranking = new List<string>();
@@ -30,9 +35,11 @@ public class GameStateTracker : MonoBehaviour
     gameMaster = GetComponent<GameMaster>();
   }
 
+  //clears the ranking and sets the time scale back to normal.
   public void reset()
   {
     ranking.Clear();
+    Time.timeScale = 1.0f;
   }
 
   public void setNumberOfPlayers(int players)

Assets/Scripts/PlayerControl.cs

@@ -6,7 +6,7 @@ using GamepadInput;
 public class PlayerControl : MonoBehaviour
 {
   private Rigidbody2D body2D;
-
+  private Transform deleteAllChildrenAtRestart;
   public Transform groundCheck;
   public LayerMask mask;
 
@@ -57,6 +57,7 @@ public class PlayerControl : MonoBehaviour
   void Start()
   {
     body2D = GetComponent<Rigidbody2D>();
+    deleteAllChildrenAtRestart = GameObject.Find("ObjectsToDeleteAtRestart").transform;
   }
 
   public void init(int playerNumber)
@@ -265,6 +266,7 @@ public class PlayerControl : MonoBehaviour
     {
       case POWERUP_HEALINGBULLET:
         GameObject bullet = Instantiate(healingBulletPrefab, pos, transform.rotation) as GameObject;
+        bullet.transform.parent = deleteAllChildrenAtRestart.parent;
         bullet.GetComponent<Bullet>().shoot(new Vector2(dir, 0));
         break;
       default:

Assets/Scripts/PlayerHealth.cs

@@ -26,7 +26,7 @@ public class PlayerHealth : MonoBehaviour
     }
 
     healthbar = GameObject.Find(healthbarName).GetComponent<Scrollbar>();
-
+    healthbar.size = 1.0f;
     if (name.EndsWith("(Clone)"))
     {
       name = name.Split(new char[] { '(' })[0];

Assets/Scripts/Rocket.cs

@@ -14,12 +14,14 @@ public class Rocket : MonoBehaviour
   public Transform target;
   public Animator explosionAnimator;
   private GameObject explosion;
+  private Transform objectsToDeleteAtRestart;
   #endregion
 
   // Use this for initialization
   void Start()
   {
     body = GetComponent<Rigidbody2D>();
+    objectsToDeleteAtRestart = GameObject.Find("ObjectsToDeleteAtRestart").transform;
   }
 
   // Update is called once per frame
@@ -46,6 +48,7 @@ public class Rocket : MonoBehaviour
 
       //explosion effect:
       explosion = GameObject.Instantiate(explosionAnimator.gameObject, transform.position, transform.rotation) as GameObject;
+      explosion.transform.parent = objectsToDeleteAtRestart;
 
       gameObject.GetComponent<SpriteRenderer>().enabled = false;
       gameObject.GetComponent<Collider2D>().enabled = false;

Assets/Scripts/Trap.cs

@@ -15,10 +15,17 @@ public class Trap : MonoBehaviour
   public GameObject destroyedEffectPrefab;
   private Animator destroyedEffect;
 
+  private Transform deleteAllChildrenAtRestart;
+
   void Start()
   {
+    deleteAllChildrenAtRestart = GameObject.Find("ObjectsToDeleteAtRestart").transform;
+
     hitEffect = (GameObject.Instantiate(hitEffectPrefab, transform.position, transform.rotation) as GameObject).GetComponent<Animator>();
+    hitEffect.transform.parent = deleteAllChildrenAtRestart.transform;
+
     destroyedEffect = (GameObject.Instantiate(destroyedEffectPrefab, transform.position, transform.rotation) as GameObject).GetComponent<Animator>();
+    destroyedEffect.transform.parent = deleteAllChildrenAtRestart.transform;
   }
 
   void OnTriggerEnter2D(Collider2D other)

Assets/Scripts/Turret.cs

@@ -7,7 +7,12 @@ public class Turret : MonoBehaviour
   public GameObject rocketPrefab;
   private Transform target;
   private Rocket currentRocket;
+  private Transform deleteAllChildrenAtRestart;
 
+  void Start()
+  {
+    deleteAllChildrenAtRestart = GameObject.Find("ObjectsToDeleteAtRestart").transform;
+  }
 
   // Update is called once per frame
   void Update()
@@ -28,6 +33,7 @@ public class Turret : MonoBehaviour
     if (currentRocket) return; // do not shoot another rocket when there is one already flying.
 
     currentRocket = (GameObject.Instantiate(rocketPrefab, transform.position + 1.5f * (transform.rotation * Vector2.up), transform.rotation) as GameObject).GetComponent<Rocket>();
+    currentRocket.transform.parent = deleteAllChildrenAtRestart.transform;
     currentRocket.setTarget(target);
   }
 }

Assets/Sprites/Enter.png.meta

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