ftp://ftp.krokus.ru/pub/OpenBSD/distfiles/xscreensaver-5.01.tar.gz
[xscreensaver] / hacks / attraction.c
index 0f0e5e73a8f01ca7287dd16c57152a51c6acef8a..8e25d244f1d11aa3544de2c9a4cb7486be218637 100644 (file)
@@ -729,12 +729,17 @@ attraction_draw (Display *dpy, Window window, void *closure)
          if(st->cbounce_p)  /* with correct bouncing */
            {
               /* so long as it's out of range, keep bouncing */
+             /* limit the maximum number to bounce to 4.*/
+             int bounce_allowed = 4;
        
-              while( (st->balls[i].x >= (st->xlim - st->balls[i].size)) ||
+              while( bounce_allowed && (
+                    (st->balls[i].x >= (st->xlim - st->balls[i].size)) ||
                      (st->balls[i].y >= (st->ylim - st->balls[i].size)) ||
                      (st->balls[i].x <= 0) ||
                      (st->balls[i].y <= 0) )
+                    )
                 {
+                  bounce_allowed--;
                   if (st->balls[i].x >= (st->xlim - st->balls[i].size))
                     {
                       st->balls[i].x = (2*(st->xlim - st->balls[i].size) - st->balls[i].x);