-#include <SDL.h>
-#include "shape.h"
+#include "sprite.h"
-int init_rocks(void);
-void new_rocks(void);
+void load_rocks(void);
void reset_rocks(void);
-void move_rocks(void);
+
+void new_rocks(void);
void draw_rocks(void);
-int hit_rocks(float x, float y, struct shape *shape);
-void blast_rocks(float x, float y, float radius, int onlyslow);
+
+void blast_rocks(float x, float y, float radius);