#include "shape.h"
int init_rocks(void);
-void new_rocks(void);
void reset_rocks(void);
+
+void new_rocks(void);
void move_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);