-/* xscreensaver, Copyright (c) 1992, 1995 Jamie Zawinski <jwz@netscape.com>
+/* xscreensaver, Copyright (c) 1992-2013 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
* implied warranty.
*/
-/* Flying through an asteroid field. Based on TI Explorer Lisp code by
+/* 18-Sep-97: Johannes Keukelaar <johannes@nada.kth.se>: Added some color.
+ * Using -mono gives the old behaviour. (Modified by jwz.)
+ */
+/* Flying through an asteroid field. Based on TI Explorer Lisp code by
John Nguyen <johnn@hx.lcs.mit.edu>
*/
#include <math.h>
#include "screenhack.h"
-#define MIN_DEPTH 2 /* rocks disappar when they get this close */
+#define MIN_ROCKS 1
+#define MIN_DEPTH 2 /* rocks disappear when they get this close */
#define MAX_DEPTH 60 /* this is where rocks appear */
-#define MAX_WIDTH 100 /* how big (in pixels) rocks are at depth 1 */
+#define MIN_SIZE 3 /* how small where pixmaps are not used */
+#define MAX_SIZE 200 /* how big (in pixels) rocks are at depth 1 */
#define DEPTH_SCALE 100 /* how many ticks there are between depths */
#define SIN_RESOLUTION 1000
+#define MAX_DEP 0.3 /* how far the displacement can be (percent) */
+#define DIRECTION_CHANGE_RATE 60
+#define MAX_DEP_SPEED 5 /* Maximum speed for movement */
+#define MOVE_STYLE 0 /* Only 0 and 1. Distinguishes the fact that
+ these are the rocks that are moving (1)
+ or the rocks source (0). */
+
/* there's not much point in the above being user-customizable, but those
numbers might want to be tweaked for displays with an order of magnitude
higher resolution or compute power.
*/
-static double sins [SIN_RESOLUTION];
-static double coss [SIN_RESOLUTION];
-static double depths [(MAX_DEPTH + 1) * DEPTH_SCALE];
+struct state {
+ Display *dpy;
+ Window window;
+
+ double sins [SIN_RESOLUTION];
+ double coss [SIN_RESOLUTION];
+ double depths [(MAX_DEPTH + 1) * DEPTH_SCALE];
+
+ int width, height, midx, midy;
+ int dep_x, dep_y;
+ int ncolors;
+ XColor *colors;
+ float max_dep;
+ GC erase_gc;
+ GC *draw_gcs;
+ Bool rotate_p;
+ Bool move_p;
+ int speed;
+ Bool threed;
+ GC threed_left_gc, threed_right_gc;
+ double threed_delta;
+
+ struct rock *rocks;
+ int nrocks;
+ Pixmap pixmaps [MAX_SIZE];
+ int delay;
+
+ int move_current_dep[2];
+ int move_speed[2];
+ short move_direction[2];
+ int move_limit[2];
+
+ int current_delta; /* observer Z rotation */
+ int new_delta;
+ int dchange_tick;
+};
-static Display *dpy;
-static Window window;
-static int width, height, midx, midy;
-static GC draw_gc, erase_gc;
-static Bool rotate_p ;
-static int speed;
+
+#define GETZDIFF(z) \
+ (st->threed_delta * 40.0 * \
+ (1.0 - ((MAX_DEPTH * DEPTH_SCALE / 2) / \
+ ((z) + 20.0 * DEPTH_SCALE))))
struct rock {
int real_size;
int theta;
int depth;
int size, x, y;
+ int diff;
+ int color;
};
-static struct rock *rocks;
-static int nrocks;
-static Pixmap pixmaps [MAX_WIDTH];
-static int delay;
-
-static void rock_reset(), rock_tick(), rock_compute(), rock_draw();
-static void init_pixmaps(), init_rocks(), tick_rocks(), rocks_once();
-
+static void rock_compute (struct state *, struct rock *);
+static void rock_draw (struct state *, struct rock *, Bool draw_p);
static void
-rock_reset (rock)
- struct rock *rock;
+rock_reset (struct state *st, struct rock *rock)
{
- rock->real_size = MAX_WIDTH;
+ rock->real_size = MAX_SIZE;
rock->r = (SIN_RESOLUTION * 0.7) + (random () % (30 * SIN_RESOLUTION));
rock->theta = random () % SIN_RESOLUTION;
rock->depth = MAX_DEPTH * DEPTH_SCALE;
- rock_compute (rock);
- rock_draw (rock, True);
+ rock->color = random() % st->ncolors;
+ rock_compute (st, rock);
+ rock_draw (st, rock, True);
}
static void
-rock_tick (rock, d)
- struct rock *rock;
- int d;
+rock_tick (struct state *st, struct rock *rock, int d)
{
if (rock->depth > 0)
{
- rock_draw (rock, False);
- rock->depth -= speed;
- if (rotate_p)
+ rock_draw (st, rock, False);
+ rock->depth -= st->speed;
+ if (st->rotate_p)
{
rock->theta = (rock->theta + d) % SIN_RESOLUTION;
}
rock->depth = 0;
else
{
- rock_compute (rock);
- rock_draw (rock, True);
+ rock_compute (st, rock);
+ rock_draw (st, rock, True);
}
}
else if ((random () % 40) == 0)
- rock_reset (rock);
+ rock_reset (st, rock);
}
static void
-rock_compute (rock)
- struct rock *rock;
+rock_compute (struct state *st, struct rock *rock)
{
- double factor = depths [rock->depth];
- rock->size = (int) ((rock->real_size * factor) + 0.5);
- rock->x = midx + (coss [rock->theta] * rock->r * factor);
- rock->y = midy + (sins [rock->theta] * rock->r * factor);
+ double factor = st->depths [rock->depth];
+ double rsize = rock->real_size * factor;
+
+ rock->size = (int) (rsize + 0.5);
+ rock->diff = (int) GETZDIFF(rock->depth);
+ rock->x = st->midx + (st->coss [rock->theta] * rock->r * factor);
+ rock->y = st->midy + (st->sins [rock->theta] * rock->r * factor);
+
+ if (st->move_p)
+ {
+ double move_factor = (((double) MOVE_STYLE) -
+ (((double) rock->depth) /
+ (((double) (MAX_DEPTH + 1)) *
+ ((double) DEPTH_SCALE))));
+ /* move_factor is 0 when the rock is close, 1 when far */
+ rock->x += (((double) st->dep_x) * move_factor);
+ rock->y += (((double) st->dep_y) * move_factor);
+ }
}
static void
-rock_draw (rock, draw_p)
- struct rock *rock;
- Bool draw_p;
+rock_draw (struct state *st, struct rock *rock, Bool draw_p)
{
- GC gc = draw_p ? draw_gc : erase_gc;
- if (rock->x <= 0 || rock->y <= 0 || rock->x >= width || rock->y >= height)
+ GC gc = (draw_p
+ ? (st->threed ? st->erase_gc : st->draw_gcs[rock->color])
+ : st->erase_gc);
+
+ if (rock->x <= 0 || rock->y <= 0 || rock->x >= st->width || rock->y >= st->height)
{
/* this means that if a rock were to go off the screen at 12:00, but
would have been visible at 3:00, it won't come back once the observer
rotates around so that the rock would have been visible again.
Oh well.
*/
- rock->depth = 0;
+ if (!st->move_p)
+ rock->depth = 0;
return;
}
if (rock->size <= 1)
- XDrawPoint (dpy, window, gc, rock->x, rock->y);
- else if (rock->size <= 3 || !draw_p)
- XFillRectangle (dpy, window, gc,
- rock->x - rock->size/2, rock->y - rock->size/2,
- rock->size, rock->size);
- else if (rock->size < MAX_WIDTH)
- XCopyPlane (dpy, pixmaps [rock->size], window, gc,
- 0, 0, rock->size, rock->size,
- rock->x - rock->size/2, rock->y - rock->size/2,
- 1);
- else
- abort ();
+ {
+ if (st->threed)
+ {
+ if (draw_p) gc = st->threed_left_gc;
+ XDrawPoint (st->dpy, st->window, gc, rock->x - rock->diff, rock->y);
+ if (draw_p) gc = st->threed_right_gc;
+ XDrawPoint (st->dpy, st->window, gc, rock->x + rock->diff, rock->y);
+ }
+ else
+ {
+ XDrawPoint (st->dpy, st->window, gc, rock->x, rock->y);
+ }
+ }
+ else if (rock->size <= MIN_SIZE || !draw_p)
+ {
+ if (st->threed)
+ {
+ if (draw_p) gc = st->threed_left_gc;
+ XFillRectangle(st->dpy, st->window, gc,
+ rock->x - rock->size / 2 - rock->diff,
+ rock->y - rock->size / 2,
+ rock->size, rock->size);
+ if (draw_p) gc = st->threed_right_gc;
+ XFillRectangle(st->dpy, st->window, gc,
+ rock->x - rock->size / 2 + rock->diff,
+ rock->y - rock->size / 2,
+ rock->size, rock->size);
+ }
+ else
+ {
+ XFillRectangle (st->dpy, st->window, gc,
+ rock->x - rock->size/2, rock->y - rock->size/2,
+ rock->size, rock->size);
+ }
+ }
+ else if (rock->size < MAX_SIZE)
+ {
+ if (st->threed)
+ {
+ gc = st->threed_left_gc;
+ XCopyPlane(st->dpy, st->pixmaps[rock->size], st->window, gc,
+ 0, 0, rock->size, rock->size,
+ rock->x - rock->size / 2 - rock->diff,
+ rock->y - rock->size / 2, 1L);
+ gc = st->threed_right_gc;
+ XCopyPlane(st->dpy, st->pixmaps[rock->size], st->window, gc,
+ 0, 0, rock->size, rock->size,
+ rock->x - rock->size / 2 + rock->diff,
+ rock->y - rock->size / 2, 1L);
+ }
+ else
+ {
+ XCopyPlane (st->dpy, st->pixmaps [rock->size], st->window, gc,
+ 0, 0, rock->size, rock->size,
+ rock->x - rock->size/2, rock->y - rock->size/2,
+ 1L);
+ }
+ }
}
static void
-init_pixmaps (dpy, window)
- Display *dpy;
- Window window;
+init_pixmaps (struct state *st)
{
int i;
XGCValues gcv;
GC fg_gc = 0, bg_gc = 0;
- pixmaps [0] = pixmaps [1] = 0;
- for (i = MIN_DEPTH; i < MAX_WIDTH; i++)
+ st->pixmaps [0] = st->pixmaps [1] = 0;
+ for (i = MIN_DEPTH; i < MAX_SIZE; i++)
{
int w = (1+(i/32))<<5; /* server might be faster if word-aligned */
int h = i;
- Pixmap p = XCreatePixmap (dpy, window, w, h, 1);
+ Pixmap p = XCreatePixmap (st->dpy, st->window, w, h, 1);
XPoint points [7];
- pixmaps [i] = p;
+ st->pixmaps [i] = p;
if (! p)
{
fprintf (stderr, "%s: couldn't allocate pixmaps", progname);
if (! fg_gc)
{ /* must use drawable of pixmap, not window (fmh) */
gcv.foreground = 1;
- fg_gc = XCreateGC (dpy, p, GCForeground, &gcv);
+ fg_gc = XCreateGC (st->dpy, p, GCForeground, &gcv);
gcv.foreground = 0;
- bg_gc = XCreateGC (dpy, p, GCForeground, &gcv);
+ bg_gc = XCreateGC (st->dpy, p, GCForeground, &gcv);
}
- XFillRectangle (dpy, p, bg_gc, 0, 0, w, h);
+ XFillRectangle (st->dpy, p, bg_gc, 0, 0, w, h);
points [0].x = i * 0.15; points [0].y = i * 0.85;
points [1].x = i * 0.00; points [1].y = i * 0.20;
points [2].x = i * 0.30; points [2].y = i * 0.00;
points [4].x = i * 0.90; points [4].y = i * 0.10;
points [5].x = i * 1.00; points [5].y = i * 0.55;
points [6].x = i * 0.45; points [6].y = i * 1.00;
- XFillPolygon (dpy, p, fg_gc, points, 7, Nonconvex, CoordModeOrigin);
+ XFillPolygon (st->dpy, p, fg_gc, points, 7, Nonconvex, CoordModeOrigin);
}
- XFreeGC (dpy, fg_gc);
- XFreeGC (dpy, bg_gc);
+ XFreeGC (st->dpy, fg_gc);
+ XFreeGC (st->dpy, bg_gc);
}
+static int
+compute_move(struct state *st, int axe) /* 0 for x, 1 for y */
+{
+ int change = 0;
+
+ st->move_limit[0] = st->midx;
+ st->move_limit[1] = st->midy;
+
+ st->move_current_dep[axe] += st->move_speed[axe]; /* We adjust the displacement */
+
+ if (st->move_current_dep[axe] > (int) (st->move_limit[axe] * st->max_dep))
+ {
+ if (st->move_current_dep[axe] > st->move_limit[axe])
+ st->move_current_dep[axe] = st->move_limit[axe];
+ st->move_direction[axe] = -1;
+ } /* This is when we reach the upper screen limit */
+ if (st->move_current_dep[axe] < (int) (-st->move_limit[axe] * st->max_dep))
+ {
+ if (st->move_current_dep[axe] < -st->move_limit[axe])
+ st->move_current_dep[axe] = -st->move_limit[axe];
+ st->move_direction[axe] = 1;
+ } /* This is when we reach the lower screen limit */
+ if (st->move_direction[axe] == 1) /* We adjust the speed */
+ st->move_speed[axe] += 1;
+ else if (st->move_direction[axe] == -1)
+ st->move_speed[axe] -= 1;
+
+ if (st->move_speed[axe] > MAX_DEP_SPEED)
+ st->move_speed[axe] = MAX_DEP_SPEED;
+ else if (st->move_speed[axe] < -MAX_DEP_SPEED)
+ st->move_speed[axe] = -MAX_DEP_SPEED;
+
+ if (st->move_p && !(random() % DIRECTION_CHANGE_RATE))
+ {
+ /* We change direction */
+ change = random() & 1;
+ if (change != 1)
+ {
+ if (st->move_direction[axe] == 0)
+ st->move_direction[axe] = change - 1; /* 0 becomes either 1 or -1 */
+ else
+ st->move_direction[axe] = 0; /* -1 or 1 become 0 */
+ }
+ }
+ return (st->move_current_dep[axe]);
+}
+
static void
-init_rocks (d, w)
- Display *d;
- Window w;
+tick_rocks (struct state *st, int d)
+{
+ int i;
+
+ if (st->move_p)
+ {
+ st->dep_x = compute_move(st, 0);
+ st->dep_y = compute_move(st, 1);
+ }
+
+ for (i = 0; i < st->nrocks; i++)
+ rock_tick (st, &st->rocks [i], d);
+}
+
+
+static unsigned long
+rocks_draw (Display *dpy, Window window, void *closure)
{
+ struct state *st = (struct state *) closure;
+ if (st->current_delta != st->new_delta)
+ {
+ if (st->dchange_tick++ == 5)
+ {
+ st->dchange_tick = 0;
+ if (st->current_delta < st->new_delta)
+ st->current_delta++;
+ else
+ st->current_delta--;
+ }
+ }
+ else
+ {
+ if (! (random() % 50))
+ {
+ st->new_delta = ((random() % 11) - 5);
+ if (! (random() % 10))
+ st->new_delta *= 5;
+ }
+ }
+ tick_rocks (st, st->current_delta);
+
+ return st->delay;
+}
+
+static void *
+rocks_init (Display *d, Window w)
+{
+ struct state *st = (struct state *) calloc (1, sizeof(*st));
int i;
XGCValues gcv;
Colormap cmap;
XWindowAttributes xgwa;
- unsigned int fg, bg;
- dpy = d;
- window = w;
- XGetWindowAttributes (dpy, window, &xgwa);
+ unsigned int bg;
+ st->dpy = d;
+ st->window = w;
+ XGetWindowAttributes (st->dpy, st->window, &xgwa);
+
+ st->width = xgwa.width;
+ st->height = xgwa.height;
+ st->midx = st->width/2;
+ st->midy = st->height/2;
+
cmap = xgwa.colormap;
- delay = get_integer_resource ("delay", "Integer");
- if (delay < 0) delay = 0;
- speed = get_integer_resource ("speed", "Integer");
- if (speed < 1) speed = 1;
- if (speed > 100) speed = 100;
- rotate_p = get_boolean_resource ("rotate", "Boolean");
- fg = get_pixel_resource ("foreground", "Foreground", dpy, cmap);
- bg = get_pixel_resource ("background", "Background", dpy, cmap);
- gcv.foreground = fg;
- gcv.background = bg;
- draw_gc = XCreateGC (dpy, window, GCForeground|GCBackground, &gcv);
+ st->delay = get_integer_resource (st->dpy, "delay", "Integer");
+ if (st->delay < 0) st->delay = 0;
+ st->speed = get_integer_resource (st->dpy, "speed", "Integer");
+ if (st->speed < 1) st->speed = 1;
+ if (st->speed > 100) st->speed = 100;
+ st->rotate_p = get_boolean_resource (st->dpy, "rotate", "Boolean");
+ st->move_p = get_boolean_resource (st->dpy, "move", "Boolean");
+ if (mono_p)
+ st->ncolors = 2;
+ else
+ st->ncolors = get_integer_resource (st->dpy, "colors", "Colors");
+
+ if (st->ncolors < 2)
+ {
+ st->ncolors = 2;
+ mono_p = True;
+ }
+
+ st->colors = (XColor *) malloc(st->ncolors * sizeof(*st->colors));
+ st->draw_gcs = (GC *) malloc(st->ncolors * sizeof(*st->draw_gcs));
+
+ bg = get_pixel_resource (st->dpy, cmap, "background", "Background");
+ st->colors[0].pixel = bg;
+ st->colors[0].flags = DoRed|DoGreen|DoBlue;
+ XQueryColor(st->dpy, cmap, &st->colors[0]);
+
+ st->ncolors--;
+ make_random_colormap(xgwa.screen, xgwa.visual, cmap,
+ st->colors+1, &st->ncolors, True,
+ True, 0, True);
+ st->ncolors++;
+
+ if (st->ncolors < 2)
+ {
+ st->ncolors = 2;
+ mono_p = True;
+ }
+
+ if (mono_p)
+ {
+ unsigned int fg = get_pixel_resource(st->dpy, cmap, "foreground", "Foreground");
+ st->colors[1].pixel = fg;
+ st->colors[1].flags = DoRed|DoGreen|DoBlue;
+ XQueryColor(st->dpy, cmap, &st->colors[1]);
+ gcv.foreground = fg;
+ gcv.background = bg;
+ st->draw_gcs[0] = XCreateGC (st->dpy, st->window, GCForeground|GCBackground, &gcv);
+ st->draw_gcs[1] = st->draw_gcs[0];
+ }
+ else
+ for( i = 0; i < st->ncolors; i++ )
+ {
+ gcv.foreground = st->colors[i].pixel;
+ gcv.background = bg;
+ st->draw_gcs[i] = XCreateGC (st->dpy, st->window, GCForeground|GCBackground, &gcv);
+ }
+
gcv.foreground = bg;
- gcv.background = fg;
- erase_gc = XCreateGC (dpy, window, GCForeground|GCBackground, &gcv);
+ st->erase_gc = XCreateGC (st->dpy, st->window, GCForeground|GCBackground, &gcv);
+
+ st->max_dep = (st->move_p ? MAX_DEP : 0);
for (i = 0; i < SIN_RESOLUTION; i++)
{
- sins [i] = sin ((((double) i) / (SIN_RESOLUTION / 2)) * M_PI);
- coss [i] = cos ((((double) i) / (SIN_RESOLUTION / 2)) * M_PI);
+ st->sins [i] = sin ((((double) i) / (SIN_RESOLUTION / 2)) * M_PI);
+ st->coss [i] = cos ((((double) i) / (SIN_RESOLUTION / 2)) * M_PI);
}
/* we actually only need i/speed of these, but wtf */
- for (i = 1; i < (sizeof (depths) / sizeof (depths[0])); i++)
- depths [i] = atan (((double) 0.5) / (((double) i) / DEPTH_SCALE));
- depths [0] = M_PI/2; /* avoid division by 0 */
-
- nrocks = get_integer_resource ("count", "Count");
- if (nrocks < 1) nrocks = 1;
- rocks = (struct rock *) calloc (nrocks, sizeof (struct rock));
- init_pixmaps (dpy, window);
- XClearWindow (dpy, window);
-}
+ for (i = 1; i < (sizeof (st->depths) / sizeof (st->depths[0])); i++)
+ st->depths [i] = atan (((double) 0.5) / (((double) i) / DEPTH_SCALE));
+ st->depths [0] = M_PI/2; /* avoid division by 0 */
+
+ st->threed = get_boolean_resource(st->dpy, "use3d", "Boolean");
+ if (st->threed)
+ {
+ gcv.background = bg;
+ gcv.foreground = get_pixel_resource (st->dpy, cmap, "left3d", "Foreground");
+ st->threed_left_gc = XCreateGC (st->dpy, st->window, GCForeground|GCBackground,&gcv);
+ gcv.foreground = get_pixel_resource (st->dpy, cmap, "right3d", "Foreground");
+ st->threed_right_gc = XCreateGC (st->dpy, st->window,GCForeground|GCBackground,&gcv);
+ st->threed_delta = get_float_resource(st->dpy, "delta3d", "Integer");
+ }
+ /* don't want any exposure events from XCopyPlane */
+ for( i = 0; i < st->ncolors; i++)
+ XSetGraphicsExposures (st->dpy, st->draw_gcs[i], False);
+ XSetGraphicsExposures (st->dpy, st->erase_gc, False);
-static void
-tick_rocks (d)
- int d;
-{
- int i;
- for (i = 0; i < nrocks; i++)
- rock_tick (&rocks [i], d);
+ st->nrocks = get_integer_resource (st->dpy, "count", "Count");
+ if (st->nrocks < 1) st->nrocks = 1;
+ st->rocks = (struct rock *) calloc (st->nrocks, sizeof (struct rock));
+ init_pixmaps (st);
+ XClearWindow (st->dpy, st->window);
+ return st;
}
static void
-rocks_once ()
+rocks_reshape (Display *dpy, Window window, void *closure,
+ unsigned int w, unsigned int h)
{
- static int current_delta = 0; /* observer Z rotation */
- static int window_tick = 50;
-
- if (window_tick++ == 50)
- {
- XWindowAttributes xgwa;
- XGetWindowAttributes (dpy, window, &xgwa);
- window_tick = 0;
- width = xgwa.width;
- height = xgwa.height;
- midx = width/2;
- midy = height/2;
- }
+ struct state *st = (struct state *) closure;
+ st->width = w;
+ st->height = h;
+ st->midx = st->width/2;
+ st->midy = st->height/2;
+}
- if ((random () % 50) == 0)
- {
- int d = current_delta;
- int new_delta = ((random () % 11) - 5);
- if ((random () % 10) == 0)
- new_delta *= 5;
+static Bool
+rocks_event (Display *dpy, Window window, void *closure, XEvent *event)
+{
+ return False;
+}
- while (d == current_delta)
- {
- int i;
- for (i = 0; i < 3; i++)
- tick_rocks (d);
- if (current_delta < new_delta) d++;
- else d--;
- }
- current_delta = new_delta;
- }
- tick_rocks (current_delta);
+static void
+rocks_free (Display *dpy, Window window, void *closure)
+{
}
\f
-char *progclass = "Rocks";
-char *defaults [] = {
- "Rocks.background: black", /* to placate SGI */
- "Rocks.foreground: white",
+static const char *rocks_defaults [] = {
+ ".background: Black",
+ ".foreground: #E9967A",
+ "*fpsSolid: true",
+ "*colors: 5",
"*count: 100",
"*delay: 50000",
"*speed: 100",
"*rotate: true",
+ "*move: true",
+ "*use3d: False",
+ "*left3d: Blue",
+ "*right3d: Red",
+ "*delta3d: 1.5",
+#ifdef USE_IPHONE
+ "*ignoreRotation: True",
+#endif
0
};
-XrmOptionDescRec options [] = {
+static XrmOptionDescRec rocks_options [] = {
{ "-count", ".count", XrmoptionSepArg, 0 },
- { "-norotate", ".rotate", XrmoptionNoArg, "false" },
+ { "-rotate", ".rotate", XrmoptionNoArg, "true" },
+ { "-no-rotate", ".rotate", XrmoptionNoArg, "false" },
+ { "-move", ".move", XrmoptionNoArg, "true" },
+ { "-no-move", ".move", XrmoptionNoArg, "false" },
{ "-delay", ".delay", XrmoptionSepArg, 0 },
- { "-speed", ".speed", XrmoptionSepArg, 0 }
+ { "-speed", ".speed", XrmoptionSepArg, 0 },
+ {"-3d", ".use3d", XrmoptionNoArg, "True"},
+ {"-no-3d", ".use3d", XrmoptionNoArg, "False"},
+ {"-left3d", ".left3d", XrmoptionSepArg, 0 },
+ {"-right3d", ".right3d", XrmoptionSepArg, 0 },
+ {"-delta3d", ".delta3d", XrmoptionSepArg, 0 },
+ { "-colors", ".colors", XrmoptionSepArg, 0 },
+ { 0, 0, 0, 0 }
};
-int options_size = (sizeof (options) / sizeof (options[0]));
-void
-screenhack (dpy, window)
- Display *dpy;
- Window window;
-{
- init_rocks (dpy, window);
- while (1)
- {
- rocks_once ();
- XSync (dpy, True);
- if (delay) usleep (delay);
- }
-}
+XSCREENSAVER_MODULE ("Rocks", rocks)