+Owl::freeze()
+{
+ if (carried_object != NULL) {
+ carried_object->ungrab (*this, dir);
+ carried_object = NULL;
+ }
+ physic.enable_gravity(true);
+ BadGuy::freeze();
+}
+
+void
+Owl::unfreeze()
+{
+ BadGuy::unfreeze();
+ physic.set_velocity_x(dir == LEFT ? -FLYING_SPEED : FLYING_SPEED);
+ physic.enable_gravity(false);
+ sprite->set_action(dir == LEFT ? "left" : "right");
+}
+
+bool
+Owl::is_freezable() const
+{
+ return true;
+}
+
+void