Added some extra randomness to the snow demo.

1 files changed, 15 insertions, 4 deletions

diff --git a/xd.c b/xd.c
index e682773..ba8b4fe 100644
--- a/xd.c
+++ b/xd.c
@@ -4278,23 +4278,34 @@ static void SnowDemo(void)
 
     for(f = 0; f < SNOW_FLAKES; f++)
     {
+	int dir;
+
+	if (RND(10) > 5)
+	{
+	    dir = 1;
+	}
+	else
+	{
+	    dir = -1;
+	}
+
     	if (map[XY(snow[f].x, snow[f].y + 1)] == 0)
 	{
 	    Plot(snow[f].x, snow[f].y, black);
 	    snow[f].y++;
 	    Plot(snow[f].x, snow[f].y, white);
 	}
-	else if (map[XY(snow[f].x + 1, snow[f].y + 1)] == 0)
+	else if (map[XY(snow[f].x + dir, snow[f].y + 1)] == 0)
 	{
 	    Plot(snow[f].x, snow[f].y, black);
-	    snow[f].x++;
+	    snow[f].x += dir;
 	    snow[f].y++;
 	    Plot(snow[f].x, snow[f].y, white);
 	}
-	else if (map[XY(snow[f].x - 1, snow[f].y + 1)] == 0)
+	else if (map[XY(snow[f].x - dir, snow[f].y + 1)] == 0)
 	{
 	    Plot(snow[f].x, snow[f].y, black);
-	    snow[f].x--;
+	    snow[f].x -= dir;
 	    snow[f].y++;
 	    Plot(snow[f].x, snow[f].y, white);
 	}