Add a small bomb exploding animation, fixes #31

squirrelbattle/entities/items.py

@@ -158,6 +158,10 @@ class Bomb(Item):
                 m.logs.add_message(log_message)
                 m.entities.remove(self)
 
+                # Add sparkles where the bomb exploded.
+                explosion = Explosion(y=self.y, x=self.x)
+                self.map.add_entity(explosion)
+
     def save_state(self) -> dict:
         """
         Saves the state of the bomb into a dictionary
@@ -168,6 +172,26 @@ class Bomb(Item):
         return d
 
 
+class Explosion(Item):
+    """
+    When a bomb explodes, the explosion is displayed.
+    """
+    def __init__(self, *args, **kwargs):
+        super().__init__(name="explosion", *args, **kwargs)
+
+    def act(self, m: Map) -> None:
+        """
+        The explosion instant dies.
+        """
+        m.remove_entity(self)
+
+    def hold(self, player: InventoryHolder) -> None:
+        """
+        The player can't hold any explosion.
+        """
+        pass
+
+
 class Weapon(Item):
     """
     Non-throwable items that improve player damage