Respawners are disabled when their creation exists

Assets/Scripts/Blocks/BlockIce.cs

@@ -11,6 +11,8 @@ public class BlockIce : MonoBehaviour {
 	public GameObject bombPrefab;
 	public Sprite alternateSprite;
 
+	public Respawner respawner; //can be respawned
+
 	void Awake() {
 		spriteRenderer = GetComponent<SpriteRenderer> ();
 		rigidBody = GetComponent<Rigidbody2D> ();
@@ -35,7 +37,9 @@ public class BlockIce : MonoBehaviour {
 				GameObject bomb = Instantiate (bombPrefab);
 				bomb.transform.position = transform.position;
 				bomb.GetComponent<Bomb> ().timer = bombTimer;
+				bomb.GetComponent<Bomb> ().respawner = respawner;
 			}
+			respawner.enabled = true;
 			Destroy (gameObject);
 		}
 

Assets/Scripts/Bomb.cs

@@ -10,6 +10,8 @@ public class Bomb : MonoBehaviour {
 	GameObject explosion;
 	public GameObject iceBlockPrefab;
 
+	public Respawner respawner; //this can be respawned
+
 	float birthTime;
 
 	void Awake() {
@@ -36,6 +38,7 @@ public class Bomb : MonoBehaviour {
 			GameObject iceBlock = Instantiate (iceBlockPrefab);
 			iceBlock.transform.position = transform.position;
 			iceBlock.GetComponent<BlockIce> ().bombTimer = timer - (Time.time - birthTime);
+			iceBlock.GetComponent<BlockIce> ().respawner = respawner;
 			Destroy (gameObject);
 		}
 
@@ -50,6 +53,7 @@ public class Bomb : MonoBehaviour {
 			yield return new WaitForSeconds (delay);
 			explosion.SetActive (true);
 			transform.DetachChildren ();
+			respawner.enabled = true;
 			Destroy (gameObject);
 		}
 	}

Assets/Scripts/Respawner.cs

@@ -29,6 +29,23 @@ public class Respawner : MonoBehaviour {
 			instance.SetActive (true);
 			instance.transform.position = startPos;
 			timer = float.NegativeInfinity;
+
+			//what is it?
+			if (instance.GetComponent<Bomb>() != null) {
+				instance.GetComponent<Bomb> ().respawner = this;
+			}
+
+			if (instance.GetComponent<BlockIce>() != null) {
+				instance.GetComponent<BlockIce> ().respawner = this;
+			}
+
+			this.enabled = false;
+		}
+	}
+
+	void OnEnable() {
+		if (timer != float.NegativeInfinity) {
+			timer = Time.time;
 		}
 	}
 }