-#define FROZEN_TIME 3000
-
-#define YM_FOR_JUMP 6.0
-#define WALK_ACCELERATION_X 0.03
-#define RUN_ACCELERATION_X 0.04
-#define KILL_BOUNCE_YM 8.0
-
-#define SKID_XM 2.0
-#define SKID_TIME 200
-
-/* Size constraints: */
-
-#define X_OFFSCREEN_DISTANCE (screen->w/2)
-#define Y_OFFSCREEN_DISTANCE (screen->h/2)
-
-/* Debugging */
-
-#ifdef DEBUG
- #define DEBUG_MSG( msg ) { \
- printf( msg ); printf("\n"); \
- }
- #else
- #define DEBUG_MSG( msg ) {}
-#endif
-
-#define UNUSED_ARG(a) do {/* null */} while (&a == 0)