#define XSCROLLTO (XSIZE/3)
#define YSCROLLTO (YSIZE/2)
-#define SCREENDXMIN 7.5
+#define BARRIER_SPEED 7.5
+
+#define MAX_DIST_AHEAD XSIZE
+#define BOUNCINESS 0.50
// -----------------------------------------------------------------------
#define M 255
// determines how hard they push the rocks. Set to 0 to disable pushing rocks
-#define ENGINE_DOT_WEIGHT 0.07
+#define DOT_MASS_UNIT 0.07
// radius^2 (pixels) which will be cleared of rocks when you die
#define BLAST_RADIUS 300