X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fwander.c;h=29fcb0ae1d6345c24c2aff3db79203820e26b754;hp=efe9b94bbb9216ef6bb6b9cf9b40a1edae0025a8;hb=d1ae2829ff0fd2a96c16a0c8c5420efaa47d7b30;hpb=7edd66e6bd3209013ee059819747b10b5835635b diff --git a/hacks/wander.c b/hacks/wander.c index efe9b94b..29fcb0ae 100644 --- a/hacks/wander.c +++ b/hacks/wander.c @@ -84,7 +84,7 @@ wander_init (Display *dpy, Window window) XAllocColor (st->dpy, st->color_map, &st->colors [0]); XAllocColor (st->dpy, st->color_map, &st->colors [1]); } - st->color_index = random () % st->color_count; + st->color_index = NRAND (st->color_count); st->advance = get_integer_resource (st->dpy, "advance", "Integer"); st->density = get_integer_resource (st->dpy, "density", "Integer"); @@ -101,16 +101,16 @@ wander_init (Display *dpy, Window window) XSetForeground (st->dpy, st->context, st->colors [st->color_index].pixel); - st->x = random () % st->width; - st->y = random () % st->height; + st->x = NRAND (st->width); + st->y = NRAND (st->height); st->last_x = st->x; st->last_y = st->y; st->width_1 = st->width - 1; st->height_1 = st->height - 1; st->length_limit = st->length; st->reset_limit = st->reset; - st->color_index = random () % st->color_count; - st->color = st->colors [random () % st->color_count].pixel; + st->color_index = NRAND (st->color_count); + st->color = st->colors [NRAND (st->color_count)].pixel; st->pixmap = XCreatePixmap (st->dpy, window, st->size, st->size, st->depth); @@ -138,7 +138,7 @@ wander_draw (Display *dpy, Window window, void *closure) for (i = 0; i < 2000; i++) { - if (random () % st->density) + if (NRAND (st->density)) { st->x = st->last_x; st->y = st->last_y; @@ -147,15 +147,19 @@ wander_draw (Display *dpy, Window window, void *closure) { st->last_x = st->x; st->last_y = st->y; - st->x = (st->x + st->width_1 + (random () % 3)) % st->width; - st->y = (st->y + st->height_1 + (random () % 3)) % st->height; + st->x += st->width_1 + NRAND (3); + while (st->x >= st->width) + st->x -= st->width; + st->y += st->height_1 + NRAND (3); + while (st->y >= st->height) + st->y -= st->height; } - if ((random () % st->length_limit) == 0) + if (NRAND (st->length_limit) == 0) { if (st->advance == 0) { - st->color_index = random () % st->color_count; + st->color_index = NRAND (st->color_count); } else { @@ -170,13 +174,13 @@ wander_draw (Display *dpy, Window window, void *closure) } } - if (st->reset_p || (random () % st->reset_limit) == 0) + if (st->reset_p || NRAND (st->reset_limit) == 0) { st->reset_p = 0; st->eraser = erase_window (st->dpy, st->window, st->eraser); - st->color = st->colors [random () % st->color_count].pixel; - st->x = random () % st->width; - st->y = random () % st->height; + st->color = st->colors [NRAND (st->color_count)].pixel; + st->x = NRAND (st->width); + st->y = NRAND (st->height); st->last_x = st->x; st->last_y = st->y; if (st->circles)