added attacks

scene/enemy.tscn

@@ -7,6 +7,7 @@
 radius = 6.0
 
 [node name="Enemy" type="CharacterBody2D"]
+collision_layer = 2
 script = ExtResource("1_a6qhu")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
@@ -14,3 +15,9 @@ texture = ExtResource("2_jkluv")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 shape = SubResource("CircleShape2D_c7wcn")
+
+[node name="NavigationAgent2D" type="NavigationAgent2D" parent="."]
+target_desired_distance = 16.0
+path_postprocessing = 1
+avoidance_enabled = true
+radius = 8.0