#ifndef GAME_H_INCLUDED #define GAME_H_INCLUDED #include "demo.h" /* for doing stereo sound effects */ #define PAN(x) (((x) * 256) / SCREEN_W) #define SPEED_SHIFT 3 extern int score; extern int player_x_pos; extern int player_hit; extern int ship_state; extern int skip_count; void play_game(void); #endif