Three kinds of bullets are firing, bomb breaks the wall

Assets/Scripts/BlockCracked.cs

@@ -0,0 +1,13 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class BlockCracked : MonoBehaviour {
+	void OnCollisionEnter2D(Collision2D collision) {
+		//TODO: use durability class?
+		ExplosionDamager exp = collision.gameObject.GetComponent<ExplosionDamager> ();
+		if (exp != null) {
+			Destroy (gameObject);
+		}
+	}
+}