flying-balls/game.h

#ifndef GAME_H_INCLUDED
#define GAME_H_INCLUDED

#include <gtk/gtk.h>

/* simulation/game framework
 */

extern double delta; /* simulation time delta in seconds */

#define DEFAULT_DELTA 0.01

extern int width;  /* game canvas width */
extern int height; /* game canvas height */

#define DEFAULT_WIDTH 800
#define DEFAULT_HEIGHT 800

extern GtkWidget* canvas; /* game canvas object */

#endif