/**
* enable/disable drawing of fps
*/
-void debug_draw_fps(bool enable);
+void debug_show_fps(bool enable);
/**
* enable/disable drawing of non-solid layers
void invincible();
/**
- * recall Tux's invincibility
+ * makes Tux a ghost, i.e. lets him float around and through solid objects
+ */
+void ghost();
+
+/**
+ * recall Tux's invincibility and ghost status
*/
void mortal();
}
#endif
-