http://www.jwz.org/xscreensaver/xscreensaver-5.09.tar.gz

[xscreensaver] / hacks / goop.c

diff --git a/hacks/goop.c b/hacks/goop.c
index 4241950c0c386dc43a4cef014fb2358cf6c69a84..d2308386d6551101aecb180cbca173740c16c0dc 100644 (file)
--- a/hacks/goop.c
+++ b/hacks/goop.c
@@ -1,4 +1,4 @@
-/* xscreensaver, Copyright (c) 1997, 2006 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1997-2008 Jamie Zawinski <jwz@jwz.org>
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
@@ -47,7 +47,6 @@
 #define SCALE       10000  /* fixed-point math, for sub-pixel motion */
 #define DEF_COUNT   12    /* When planes and count are 0, how many blobs. */
 
-
 #define RAND(n) ((long) ((random() & 0x7fffffff) % ((long) (n))))
 #define RANDSIGN() ((random() & 1) ? 1 : -1)
 
@@ -126,7 +125,7 @@ make_blob (Display *dpy, int maxx, int maxy, int size)
   b->spline = make_spline (b->npoints);
   b->r = (long *) malloc (sizeof(*b->r) * b->npoints);
   for (i = 0; i < b->npoints; i++)
-    b->r[i] = ((random() % mid) + (mid/2)) * RANDSIGN();
+    b->r[i] = (long) ((random() % mid) + (mid/2)) * RANDSIGN();
   return b;
 }
 
@@ -258,9 +257,11 @@ make_layer (Display *dpy, Window window, int width, int height, int nblobs)
 
   blob_max = (width < height ? width : height) / 2;
   blob_min = (blob_max * 2) / 3;
-  for (i = 0; i < layer->nblobs; i++)
+  for (i = 0; i < layer->nblobs; i++){
+    int j = blob_max - blob_min;
     layer->blobs[i] = make_blob (dpy, width, height,
-                                (random() % (blob_max-blob_min)) + blob_min);
+                                (j ? random() % j : 0) + blob_min);
+  }
 
   layer->pixmap = XCreatePixmap (dpy, window, width, height, 1);
   layer->gc = XCreateGC (dpy, layer->pixmap, 0, &gcv);
@@ -564,8 +565,8 @@ static const char *goop_defaults [] = {
   "*delay:             12000",
   "*additive:          true",
   "*mode:              transparent",
-  "*count:             0",
-  "*planes:            0",
+  "*count:             1",
+  "*planes:            12",
   "*thickness:         5",
   "*torque:            0.0075",
   "*elasticity:                0.9",