1 "#error Do not run app-defaults files through xrdb!",
2 "#error That does not do what you might expect.",
3 "#error Put this file in /usr/lib/X11/app-defaults/XScreenSaver instead.",
20 "*captureStderr: True",
21 "*overlayTextForeground: #FFFF00",
22 "*overlayTextBackground: #000000",
23 "*overlayStderr: True",
24 "*font: *-medium-r-*-140-*-m-*",
25 "*sgiSaverExtension: True",
26 "*mitSaverExtension: False",
27 "*xidleExtension: True",
28 "*procInterrupts: True",
29 "*demoCommand: xscreensaver-demo",
30 "*prefsCommand: xscreensaver-demo -prefs",
31 "*helpURL: http://www.jwz.org/xscreensaver/man.html",
32 "*loadURL: netscape -remote 'openURL(%s)' || netscape '%s'",
33 "*manualCommand: xterm +sb -fg black -bg gray75 -T '%s manual' \
34 -e /bin/sh -c 'man \"%s\" || read foo'",
35 "*dateFormat: %d-%b-%y (%a); %I:%M %p",
36 "*installColormap: True",
38 \"Qix (solid)\" qix -root -solid -delay 0 -segments 100 \\n\
39 \"Qix (transparent)\" qix -root -count 4 -solid -transparent \\n\
40 \"Qix (linear)\" qix -root -count 5 -solid -transparent \
41 -linear -segments 250 -size 100 \\n\
42 - mono: \"Qix (xor)\" qix -root -linear -count 5 -size 200 \
43 -spread 30 -segments 75 -solid -xor \\n\
45 \"Attraction (balls)\" attraction -root -mode balls \\n\
46 \"Attraction (lines)\" attraction -root -mode lines -points 3 \
48 - \"Attraction (poly)\" attraction -root -mode polygons \\n\
49 \"Attraction (splines)\" attraction -root -mode splines -segments \
51 \"Attraction (orbital)\" attraction -root -mode lines -radius 300 \
52 -orbit -vmult 0.5 \\n\
58 rorschach -root -offset 7 \\n\
63 slidescreen -root \\n\
64 decayscreen -root \\n\
66 blitspin -root -grab \\n\
70 \"Ripples (oily)\" ripples -root -oily -light 2 \\n\
71 \"Ripples (stir)\" ripples -root -oily -light 2 -stir \\n\
72 \"Ripples (desktop)\" ripples -root -water -light 6 \\n\
88 \"Grav (trails)\" grav -root -trail -decay \\n\
103 goop -root -max-velocity 0.5 -elasticity \
106 \"Starfish (blob)\" starfish -root -blob \\n\
109 coral -root -delay 0 \\n\
111 triangle -root -delay 1 \\n\
118 kaleidescope -root \\n\
120 xlyap -root -randomize \\n\
124 interference -root \\n\
125 truchet -root -randomize \\n\
131 \"RD-Bomb (mobile)\" rd-bomb -root -speed 1 -size 0.1 \\n\
140 \"Wander (spots)\" wander -root -advance 0 -size 10 -circles \
141 True -length 10000 -reset 100000 \\n\
145 petri -root -size 2 -count 20 \\n\
146 \"Petri 2\" petri -root -minlifespeed 0.02 \
147 -maxlifespeed 0.03 -minlifespan 1 \
148 -maxlifespan 1 -instantdeathchan 0 \
149 -minorchan 0 -anychan 0.3 \\n\
155 xspirograph -root \\n\
157 - \"NerveRot (dense)\" nerverot -root -count 1000 \\n\
158 - \"NerveRot (thick)\" nerverot -root -count 100 -line-width 4 \
159 -max-nerve-radius 0.8 -nervousness 0.5 -db \\n\
161 - \"Zoom (Fatbits)\" zoom -root \\n\
162 \"Zoom (Lenses)\" zoom -root -lenses \\n\
163 whirlwindwarp -root \\n\
164 color: bubbles -root \\n\
165 default-n: webcollage -root \\n\
166 default-n: \"WebCollage (whacked)\" \
167 webcollage -root -filter \
168 'vidwhacker -stdin -stdout' \\n\
169 - default-n: vidwhacker -root \\n\
172 GL: superquadrics -root \\n\
173 GL: morph3d -root \\n\
175 GL: moebius -root \\n\
176 GL: stairs -root \\n\
178 GL: sproingies -root \\n\
180 GL: atlantis -root \\n\
181 GL: lament -root \\n\
182 GL: bubble3d -root \\n\
183 GL: glplanet -root \\n\
184 GL: pulsar -root \\n\
185 - GL: \"Pulsar (textures)\" \
186 pulsar -root -texture -mipmap \
187 -texture_quality -light -fog \\n\
188 GL: extrusion -root \\n\
189 GL: sierpinski3d -root \\n\
192 - xdaliclock -root -builtin3 -cycle \\n\
193 - default-n: xearth -nofork -nostars -ncolors 50 \
194 -night 3 -wait 0 -timewarp 400.0 -pos \
196 - ssystem -fullscreen :32 \\n\
197 - xmountains -b -M -Z 0 -r 1 \\n\
198 - \"XMountains (top)\" xmountains -b -M -Z 0 -r 1 -m \\n\
199 - xaos -root -autopilot -incoloring -1 \
200 -nogui -outcoloring -1 \\n\
201 - xfishtank -d -s \\n\
206 "XScreenSaver.pointerPollTime: 5",
207 "XScreenSaver.initialDelay: 0",
208 "XScreenSaver.windowCreationTimeout: 30",
209 "XScreenSaver.bourneShell: /bin/sh",
210 "*Dialog.headingFont: *-times-bold-r-*-*-*-180-*-*-*-iso8859-1",
211 "*Dialog.bodyFont: *-helvetica-bold-r-*-*-*-140-*-*-*-iso8859-1",
212 "*Dialog.labelFont: *-helvetica-bold-r-*-*-*-140-*-*-*-iso8859-1",
213 "*Dialog.buttonFont: *-helvetica-bold-r-*-*-*-140-*-*-*-iso8859-1",
214 "*Dialog.dateFont: *-courier-medium-r-*-*-*-80-*-*-*-iso8859-1",
215 "*Dialog.foreground: #000000",
216 "*Dialog.background: #BFBFBF",
217 "*Dialog.Button.foreground: #000000",
218 "*Dialog.Button.background: #D0D0D0",
219 "*Dialog.text.foreground: #000000",
220 "*Dialog.text.background: #FFFFFF",
221 "*Dialog.logo.foreground: #FF0000",
222 "*Dialog.logo.background: #FFFFFF",
223 "*Dialog.topShadowColor: #E7E7E7",
224 "*Dialog.bottomShadowColor: #737373",
225 "*Dialog.logo.width: 200",
226 "*Dialog.logo.height: 200",
227 "*Dialog.internalBorderWidth: 30",
228 "*Dialog.borderWidth: 1",
229 "*Dialog.shadowThickness: 4",
230 "*passwd.heading.label: XScreenSaver %s",
231 "*passwd.body.label: This display is locked.",
232 "*passwd.user.label: User:",
233 "*passwd.passwd.label: Password:",
234 "*passwd.passwdFont: *-courier-medium-r-*-*-*-140-*-*-*-iso8859-1",
235 "*passwd.thermometer.width: 8",
236 "*splash.heading.label: XScreenSaver %s",
237 "*splash.body.label: Copyright © 1991-2001 by",
238 "*splash.body2.label: Jamie Zawinski <jwz@jwz.org>",
239 "*splash.demo.label: Demo",
240 "*splash.prefs.label: Prefs",
241 "*splash.help.label: Help",
242 "*fontList: *-helvetica-medium-r-*-*-*-120-*-*-*-iso8859-1",
243 "*demoDialog*label1.fontList: *-helvetica-medium-r-*-*-*-140-*-*-*-iso8859-1",
244 "*cmdText.fontList: *-courier-medium-r-*-*-*-120-*-*-*-iso8859-1",
245 "*label0.fontList: *-helvetica-bold-r-*-*-*-140-*-*-*-iso8859-1",
246 "XScreenSaver*doc.fontList: *-helvetica-medium-r-*-*-*-100-*-*-*-iso8859-1",
247 "*foreground: #000000",
248 "*background: #C0C0C0",
249 "*XmTextField.foreground: #000000",
250 "*XmTextField.background: #FFFFFF",
251 "*list.foreground: #000000",
252 "*list.background: #FFFFFF",
253 "*ApplicationShell.title: XScreenSaver",
254 "*warning.title: XScreenSaver",
255 "*warning_popup.title: XScreenSaver",
256 "*allowShellResize: True",
257 "*autoUnmanage: False",
258 "*menubar*file.labelString: File",
259 "*menubar*file.mnemonic: F",
260 "*file.blank.labelString: Blank Screen Now",
261 "*file.blank.mnemonic: B",
262 "*file.lock.labelString: Lock Screen Now",
263 "*file.lock.mnemonic: L",
264 "*file.kill.labelString: Kill Daemon",
265 "*file.kill.mnemonic: K",
266 "*file.restart.labelString: Restart Daemon",
267 "*file.restart.mnemonic: R",
268 "*file.exit.labelString: Exit",
269 "*file.exit.mnemonic: E",
270 "*menubar*edit.labelString: Edit",
271 "*menubar*edit.mnemonic: E",
272 "*edit.cut.labelString: Cut",
273 "*edit.cut.mnemonic: u",
274 "*edit.copy.labelString: Copy",
275 "*edit.copy.mnemonic: C",
276 "*edit.paste.labelString: Paste",
277 "*edit.paste.mnemonic: P",
278 "*menubar*help.labelString: Help",
279 "*menubar*help.mnemonic: H",
280 "*help.about.labelString: About...",
281 "*help.about.mnemonic: A",
282 "*help.docMenu.labelString: Documentation...",
283 "*help.docMenu.mnemonic: D",
284 "*demoTab.marginWidth: 10",
285 "*optionsTab.marginWidth: 10",
286 "*XmScrolledWindow.topOffset: 10",
287 "*XmScrolledWindow.leftOffset: 10",
288 "*demoTab.topOffset: 4",
289 "*form1.bottomOffset: 10",
290 "*form3.leftOffset: 10",
291 "*form3.rightOffset: 10",
292 "*frame.topOffset: 10",
293 "*frame.bottomOffset: 10",
294 "*enabled.topOffset: 10",
295 "*visLabel.topOffset: 10",
296 "*combo.topOffset: 10",
297 "*form4.bottomOffset: 4",
298 "*hr.bottomOffset: 4",
299 "*XmComboBox.marginWidth: 0",
300 "*XmComboBox.marginHeight: 0",
301 "*demo.marginWidth: 30",
302 "*demo.marginHeight: 4",
303 "*man.marginWidth: 10",
304 "*man.marginHeight: 4",
305 "*down.leftOffset: 40",
306 "*down.marginWidth: 4",
307 "*down.marginHeight: 4",
308 "*up.marginWidth: 4",
309 "*up.marginHeight: 4",
310 "*frame.traversalOn: False",
311 "*list.automaticSelection: True",
312 "*list.visibleItemCount: 20",
314 "*combo.columns: 11",
315 "*demoTab.labelString: Graphics Demos",
316 "*optionsTab.labelString: Screensaver Options",
317 "*down.labelString: \\\\/ ",
318 "*up.labelString: /\\\\ ",
319 "*frameLabel.labelString: ",
320 "*cmdLabel.labelString: Command Line:",
321 "*cmdLabel.alignment: ALIGNMENT_BEGINNING",
322 "*enabled.labelString: Enabled",
323 "*visLabel.labelString: Visual:",
324 "*visLabel.alignment: ALIGNMENT_END",
325 "*visLabel.leftOffset: 20",
326 "*demo.labelString: Demo",
327 "*man.labelString: Documentation...",
328 "*done.labelString: Quit",
329 "*preferencesLabel.labelString: XScreenSaver Parameters",
330 "*timeoutLabel.labelString: Saver Timeout",
331 "*cycleLabel.labelString: Cycle Timeout",
332 "*fadeSecondsLabel.labelString: Fade Duration",
333 "*fadeTicksLabel.labelString: Fade Ticks",
334 "*lockLabel.labelString: Lock Timeout",
335 "*passwdLabel.labelString: Password Timeout",
336 "*preferencesForm*XmTextField.columns: 8",
337 "*verboseToggle.labelString: Verbose",
338 "*cmapToggle.labelString: Install Colormap",
339 "*fadeToggle.labelString: Fade Colormap",
340 "*unfadeToggle.labelString: Unfade Colormap",
341 "*lockToggle.labelString: Require Password",
342 "*OK.marginWidth: 30",
343 "*OK.marginHeight: 4",
344 "*OK.leftOffset: 10",
345 "*OK.bottomOffset: 10",
346 "*Cancel.marginWidth: 30",
347 "*Cancel.marginHeight: 4",
348 "*Cancel.rightOffset: 10",
349 "*Cancel.bottomOffset: 10",
350 "*hacks.documentation.isInstalled: True",
351 "*hacks.qix.documentation: \
352 This is the swiss army chainsaw of qix programs. It bounces a series \
353 of line segments around the screen, and uses variations on this basic \
354 motion pattern to produce all sorts of different presentations: line \
355 segments, filled polygons, overlapping translucent areas... Written \
357 "*hacks.attraction.documentation: \
358 Like qix, this uses a simple simple motion model to generate many \
359 different display modes. The control points attract each other up to \
360 a certain distance, and then begin to repel each other. The \
361 attraction/repulsion is proportional to the distance between any two \
362 particles, similar to the strong and weak nuclear forces. \
364 One of the most interesting ways to watch this hack is simply as \
365 bouncing balls, because their motions and interactions with each \
366 other are so odd. Sometimes two balls will get into a tight orbit \
367 around each other, to be interrupted later by a third, or by the edge \
368 of the screen. It looks quite chaotic. \
370 Written by Jamie Zawinski, based on Lisp code by John Pezaris.",
371 "*hacks.pyro.documentation: \
372 Pyro draws exploding fireworks. Blah blah blah. Written by Jamie \
374 "*hacks.helix.documentation: \
375 This repeatedly generates spirally string-art-ish patterns. Written \
377 "*hacks.pedal.documentation: \
378 This is sort of a combination spirograph/string-art. It generates a \
379 large, complex polygon, and lets the X server do the bulk of the work \
380 by giving it an even/odd winding rule. Written by Dale Moore, based \
381 on some ancient PDP-11 code.",
382 "*hacks.rorschach.documentation: \
383 This generates random inkblot patterns. The algorithm is deceptively \
384 simple for how well it works; it merely walks a dot around the screen \
385 randomly, and then reflects the image horizontally, vertically, or \
386 both. Any deep-seated neurotic tendencies which this program reveals \
387 are your own problem. Written by Jamie Zawinski.",
388 "*hacks.hopalong.documentation: \
389 This draws lacy fractal patterns, based on iteration in the imaginary \
390 plane, from a 1986 Scientific American article. Mostly written by \
392 "*hacks.greynetic.documentation: \
393 This draws random colored and stippled rectangles. Written by Jamie \
395 "*hacks.xroger.documentation: \
396 The XScreenSaver logo. Don't you hate it? So do I. Would you like \
397 to design a new logo for XScreenSaver? If so, send jwz your \
399 "*hacks.imsmap.name: IMSmap",
400 "*hacks.imsmap.documentation: \
401 This generates random cloud-like patterns. It looks quite different \
402 in monochrome and color. The basic idea is to take four points on \
403 the edge of the image, and assign each a random ``elevation''. Then \
404 find the point between them, and give it a value which is the average \
405 of the other four, plus some small random offset. Then coloration is \
406 done based on elevation. \
408 The color selection is done by binding the elevation to either hue, \
409 saturation, or brightness, and assigning random values to the others. \
410 The ``brightness'' mode tends to yield cloudlike patterns, and the \
411 others tend to generate images that look like heat-maps or CAT-scans. \
412 Written by Juergen Nickelsen and Jamie Zawinski.",
413 "*hacks.slidescreen.name: SlideScreen",
414 "*hacks.slidescreen.documentation: \
415 This grabs an image of whatever is on your screen, divides it into a \
416 grid, and then randomly shuffles the squares around as if it was one \
417 of those annoying ``16-puzzle'' games, where there is a grid of \
418 squares, one of which is missing. I hate trying to solve those \
419 puzzles, but watching one permute itself is more amusing. Written by \
421 "*hacks.decayscreen.name: DecayScreen",
422 "*hacks.decayscreen.documentation: \
423 This grabs an image of whatever is on your screen, and makes it melt. \
424 You've no doubt seen this effect before, but no screensaver would \
425 really be complete without it. It works best if there's something \
426 colorful visible. Warning, if the effect continues after the screen \
427 saver is off, seek medical attention. Written by David Wald and \
430 A number of these screenhacks have the ability to take an image of \
431 your desktop and manipulate it in some way. On SGI systems, these \
432 programs are able to (at random) pull their source image from the \
433 system's video input instead! This works nicely if you leave some \
434 some random television station plugged in.",
435 "*hacks.jigsaw.documentation: \
436 This grabs a screen image, carves it up into a jigsaw puzzle, \
437 shuffles it, and then solves the puzzle. This works especially well \
438 when you feed it an external video signal instead of letting it grab \
439 the screen image (actually, I guess this is generally true...) When \
440 it is grabbing a video image, it is sometimes pretty hard to guess \
441 what the image is going to look like once the puzzle is solved. \
442 Written by Jamie Zawinski.",
443 "*hacks.blitspin.name: BlitSpin",
444 "*hacks.blitspin.documentation: \
445 The ``blitspin'' hack repeatedly rotates a bitmap by 90 degrees by \
446 using logical operations: the bitmap is divided into quadrants, and \
447 the quadrants are shifted clockwise. Then the same thing is done \
448 again with progressively smaller quadrants, except that all \
449 sub-quadrants of a given size are rotated in parallel. Written by \
450 Jamie Zawinski based on some cool SmallTalk code seen in in Byte \
453 As you watch it, the image appears to dissolve into static and then \
454 reconstitute itself, but rotated. You can provide the image to use, \
455 as an XBM or XPM file, or tell it to grab a screen image and rotate \
457 "*hacks.slip.documentation: \
458 This program throws some random bits on the screen, then sucks them \
459 through a jet engine and spews them out the other side. To avoid \
460 turning the image completely to mush, every now and then it will and \
461 then it interjects some splashes of color into the scene, or go into \
462 a spin cycle, or stretch the image like taffy, or (this is my \
463 addition) grab an image of your current desktop to chew on. \
464 Originally written by Scott Draves; whacked on by Jamie Zawinski.",
465 "*hacks.distort.documentation: \
466 This hack grabs an image of the screen, and then lets a transparent \
467 lens wander around the screen, magnifying whatever is underneath. \
468 Written by Jonas Munsin.",
469 "*hacks.spotlight.documentation: \
470 Draws a spotlight scanning across a black screen, illumnating the \
471 underlying desktop when it passes. Written by Rick Schultz.",
472 "*hacks.hypercube.documentation: \
473 This displays 2D projections of the sequence of 3D objects which are \
474 the projections of the 4D analog to the cube: as a square is composed \
475 of four lines, each touching two others; and a cube is composed of \
476 six squares, each touching four others; a hypercube is composed of \
477 eight cubes, each touching six others. To make it easier to \
478 visualize the rotation, it uses a different color for the edges of \
479 each face. Don't think about it too long, or your brain will melt. \
480 Written by Joe Keane, Fritz Mueller, and Jamie Zawinski.",
481 "*hacks.hyperball.documentation: \
482 Hyperball is to hypercube as dodecahedron is to cube: this displays \
483 a 2D projection of the sequence of 3D objects which are the projections \
484 of the 4D analog to the dodecahedron. Written by Joe Keane.",
485 "*hacks.halo.documentation: \
486 This draws trippy psychedelic circular patterns that hurt to look at. \
487 It can also animate the control-points, but that takes a lot of CPU \
488 and bandwidth. Written by Jamie Zawinski.",
489 "*hacks.maze.documentation: \
490 This is the ancient X maze demo, modified to work with xscreensaver. \
491 It generates a random maze, then solves it with visual feedback. \
492 Originally by Jim Randell; modified by a cast of thousands.",
493 "*hacks.noseguy.documentation: \
494 A little man with a big nose wanders around your screen saying \
495 things. The things which he says can come from a file, or from an \
496 external program like `zippy' or `fortune'. This was extracted from \
497 `xnlock' by Dan Heller. Colorized by Jamie Zawinski.",
498 "*hacks.flame.documentation: \
499 Another iterative fractal generator. Written by Scott Draves.",
500 "*hacks.lmorph.name: LMorph",
501 "*hacks.lmorph.documentation: \
502 This generates random spline-ish line drawings and morphs between \
503 them. Written by Sverre H. Huseby and Glenn T. Lines.",
504 "*hacks.deco.documentation: \
505 This one subdivides and colors rectangles randomly. It looks kind of \
506 like Brady-Bunch-era rec-room wall paneling. (Raven says: ``this \
507 screensaver is ugly enough to peel paint.'') Written by Jamie \
508 Zawinski, inspired by Java code by Michael Bayne.",
509 "*hacks.moire.documentation: \
510 This one draws cool circular interference patterns. Most of the \
511 circles you see aren't explicitly rendered, but show up as a result \
512 of interactions between the other pixels that were drawn. Written by \
513 Jamie Zawinski, inspired by Java code by Michael Bayne. As he \
514 pointed out, the beauty of this one is that the heart of the display \
515 algorithm can be expressed with just a pair of loops and a handful of \
516 arithmetic, giving it a high ``display hack metric''.",
517 "*hacks.moire2.documentation: \
518 Another example of the fun you can have with moire \
519 interference patterns; this hack generates fields of concentric \
520 circles or ovals, and combines the planes with various operations. \
521 The planes are moving independently of one another, causing the \
522 interference lines to ``spray.'' Written by Jamie Zawinski.",
523 "*hacks.lightning.documentation: \
524 This one draws crackling fractal lightning bolts. It's simple, \
525 direct, and to the point. If only it had sound... Written by Keith \
527 "*hacks.strange.documentation: \
528 This draws strange attractors: it's a colorful, \
529 unpredictably-animating field of dots that swoops and twists around. \
530 The motion is very nice. Written by Massimino Pascal.",
531 "*hacks.spiral.documentation: \
532 Moving circular patterns, by Peter Schmitzberger. Moving circular \
533 patterns means moire; interference patterns, of course.",
534 "*hacks.laser.documentation: \
535 Moving radiating lines, that look vaguely like scanning laser beams. \
536 Written by Pascal Pensa. (Frankie say: relax.)",
537 "*hacks.grav.documentation: \
538 This program draws a simple orbital simulation. If you turn on \
539 trails, it looks kind of like a cloud-chamber photograph. Written \
541 "*hacks.drift.documentation: \
542 How could one possibly describe this except as ``drifting recursive \
543 fractal cosmic flames?'' Another fine hack from the Scott Draves \
544 collection of fine hacks.",
545 "*hacks.ifs.name: IFS",
546 "*hacks.ifs.documentation: \
547 This one draws spinning, colliding iterated-function-system images. \
548 Written by Massimino Pascal.",
549 "*hacks.julia.documentation: \
550 This one draws spinning, animating (are you detecting a pattern here \
551 yet?) explorations of the Julia set. You've probably seen static \
552 images of this fractal form before, but it's a lot of fun to watch in \
553 motion as well. One interesting thing is that there is a small \
554 swinging dot passing in front of the image, which indicates the \
555 control point from which the rest of the image was generated. \
556 Written by Sean McCullough.",
557 "*hacks.penrose.documentation: \
558 Draws quasiperiodic tilings; think of the implications on modern \
559 formica technology. Written by Timo Korvola. \
561 In April 1997, Sir Roger Penrose, a British math professor who has \
562 worked with Stephen Hawking on such topics as relativity, black \
563 holes, and whether time has a beginning, filed a \
564 copyright-infringement lawsuit against the Kimberly-Clark \
565 Corporation, which Penrose said copied a pattern he created (a \
566 pattern demonstrating that ``a nonrepeating pattern could exist in \
567 nature'') for its Kleenex quilted toilet paper. Penrose said he \
568 doesn't like litigation but, ``When it comes to the population of \
569 Great Britain being invited by a multinational to wipe their bottoms \
570 on what appears to be the work of a Knight of the Realm, then a last \
571 stand must be taken.'' \
573 As reported by News of the Weird #491, 4-jul-1997.",
574 "*hacks.sierpinski.documentation: \
575 This draws the two-dimensional variant of the recursive Sierpinski \
576 triangle fractal. Written by Desmond Daignault.",
577 "*hacks.braid.documentation: \
578 Draws random color-cycling inter-braided concentric circles. Written \
580 "*hacks.galaxy.documentation: \
581 This draws spinning galaxies, which then collide and scatter their \
582 stars to the, uh, four winds or something. Originally an Amiga \
583 program by Uli Siegmund.",
584 "*hacks.bouboule.documentation: \
585 This draws what looks like a spinning, deforming baloon with \
586 varying-sized spots painted on its invisible surface. Written by \
588 "*hacks.swirl.documentation: \
589 More flowing, swirly patterns. This version is by M. Dobie and R. \
590 Taylor, but you might have seen a Mac program similar to this called \
591 FlowFazer. There is also a cool Java applet of a similar concept",
592 "*hacks.flag.documentation: \
593 This draws a waving colored flag, that undulates its way around the \
594 screen. The trick is the flag can contain arbitrary text and images. \
595 By default, it displays either the current system name and OS \
596 type, or a picture of ``Bob,'' but you can replace the text or the \
597 image with a command-line option. Written by Charles Vidal and Jamie \
599 "*hacks.sphere.documentation: \
600 Another of the classic screenhacks of the distant past, this one \
601 draws shaded spheres in multiple colors. This hack traces its \
602 lineage back to Tom Duff in 1982.",
603 "*hacks.forest.documentation: \
604 This draws fractal trees. Written by Peter Baumung. Everybody loves \
606 "*hacks.lisa.documentation: \
607 This draws Lisajous loops, by Caleb Cullen. Remember that device \
608 they had the Phantom Zone prisoners in during their trial in \
609 Superman? I think that was one of these.",
610 "*hacks.lissie.documentation: \
611 Another Lissajous figure. This one draws the progress of circular \
612 shapes along a path. Written by Alexander Jolk.",
613 "*hacks.goop.documentation: \
614 This draws set of animating, transparent, amoeba-like blobs. The \
615 blobs change shape as they wander around the screen, and they are \
616 translucent, so you can see the lower blobs through the higher ones, \
617 and when one passes over another, their colors merge. Written by \
618 Jamie Zawinski. I got the idea for this from a cool mouse pad I \
619 have, which achieves the same kind of effect in real life by having \
620 several layers plastic with colored oil between them. Written by \
622 "*hacks.starfish.documentation: \
623 This generates a sequence of undulating, throbbing, star-like \
624 patterns which pulsate, rotate, and turn inside out. Another display \
625 mode uses these shapes to lay down a field of colors, which are then \
626 cycled. The motion is very organic. Written by Jamie Zawinski.",
627 "*hacks.munch.documentation: \\n\
634 As reported by HAKMEM, in 1962, Jackson Wright wrote the above PDP-1 \
635 code. That code still lives on in this screenhack, some 35 years \
636 later. The number of lines of enclosing code has increased \
637 substantially, however. This version is by Tim Showalter.",
638 "*hacks.fadeplot.name: FadePlot",
639 "*hacks.fadeplot.documentation: \
640 Draws what looks like a waving ribbon following a sinusoidal path. \
641 Written by Bas van Gaalen and Charles Vidal.",
642 "*hacks.coral.documentation: \
643 Simulates coral growth, albeit somewhat slowly. This image doesn't \
644 really do it justice. Written by Frederick Roeber.",
645 "*hacks.mountain.documentation: \
646 Generates random 3d plots that look vaguely mountainous. Written by \
648 "*hacks.triangle.documentation: \
649 Generates random mountain ranges using iterative subdivision of \
650 triangles. Written by Tobias Gloth.",
651 "*hacks.worm.documentation: \
652 An ancient xlock hack that draws multicolored worms that crawl around \
653 the screen. Written by Brad Taylor, Dave Lemke, Boris Putanec, and \
655 "*hacks.rotor.documentation: \
656 Another ancient xlock demo, this one by Tom Lawrence. It draws a \
657 line segment moving along a complex spiraling curve. I tweaked this \
658 to generate curvier lines, but still frames of it don't look like \
660 "*hacks.ant.documentation: \
661 A cellular automaton that is really a two-dimensional Turing machine: \
662 as the heads (``ants'') walk along the screen, they change pixel \
663 values in their path. Then, as they pass over changed pixels, their \
664 behavior is influenced. Written by David Bagley.",
665 "*hacks.demon.documentation: \
666 A cellular automaton that starts with a random field, and organizes \
667 it into stripes and spirals. Written by David Bagley.",
668 "*hacks.loop.documentation: \
669 This one produces loop-shaped colonies that spawn, age, and \
670 eventually die. Written by David Bagley.",
671 "*hacks.vines.documentation: \
672 This one generates a continuous sequence of small, curvy geometric \
673 patterns. It scatters them around your screen until it fills up, \
674 then it clears the screen and starts over. Written by Tracy Camp and \
676 "*hacks.kaleidescope.documentation: \
677 Another clone of an ancient meme, consisting largely of frenetic \
678 rotational motion of colored lines. This one is by Ron Tapia. The \
679 motion is nice, but I think it needs more solids, or perhaps just \
680 brighter colors. More variations in the rotational speed might help, \
682 "*hacks.xjack.documentation: \
683 This program behaves schizophrenically and makes a lot of typos. \
684 Written by Jamie Zawinski. If you haven't seen Stanley Kubrick's \
685 masterpiece, ``The Shining,'' you won't get it. Those who have \
686 describe this hack as ``inspired.''",
687 "*hacks.xlyap.documentation: \
688 This generates pretty fractal pictures by doing funky math involving \
689 the ``Lyapunov exponent.'' It has a cool interactive mode, too. \
690 Written by Ron Record.",
691 "*hacks.cynosure.documentation: \
692 A hack similar to `greynetic', but less frenetic. The first \
693 implementation was by Stephen Linhart; then Ozymandias G. Desiderata \
694 wrote a Java applet clone. That clone was discovered by Jamie \
695 Zawinski, and ported to C for inclusion here.",
696 "*hacks.flow.documentation: \
697 Another series of strange attractors: a flowing series of points, \
698 making strange rotational shapes. Written by Jeff Butterworth.",
699 "*hacks.epicycle.documentation: \
700 This program draws the path traced out by a point on the edge of a \
701 circle. That circle rotates around a point on the rim of another \
702 circle, and so on, several times. These were the basis for the \
703 pre-heliocentric model of planetary motion. Written by James \
705 "*hacks.interference.documentation: \
706 Another color-field hack, this one works by computing decaying \
707 sinusoidal waves, and allowing them to interfere with each other as \
708 their origins move. Written by Hannu Mallat.",
709 "*hacks.truchet.documentation: \
710 This draws line- and arc-based Truchet patterns that tile the screen. \
711 Written by Adrian Likins.",
712 "*hacks.bsod.name: BSOD",
713 "*hacks.bsod.documentation: \
714 BSOD stands for ``Blue Screen of Death.'' The finest in personal \
715 computer emulation, this hack simulates popular screen savers from a \
716 number of less robust operating systems. Written by Jamie Zawinski.",
717 "*hacks.crystal.documentation: \
718 Moving polygons, similar to a kaleidescope (more like a kaleidescope \
719 than the hack called `kaleid,' actually.) This one by Jouk Jansen.",
720 "*hacks.discrete.documentation: \
721 More ``discrete map'' systems, including new variants of Hopalong and \
722 Julia, and a few others. Written by Tim Auckland.",
723 "*hacks.kumppa.documentation: \
724 Spiraling, spinning, and very, very fast splashes of color rush \
725 toward the screen. Written by Teemu Suutari.",
726 "*hacks.rd-bomb.name: RD-Bomb",
727 "*hacks.rd-bomb.documentation: \
728 Another variation of the `Bomb' program by Scott Draves. This draws \
729 a grid of growing square-like shapes that, once they overtake each \
730 other, react in unpredictable ways. ``RD'' stands for \
731 reaction-diffusion.",
732 "*hacks.sonar.documentation: \
733 This program draws a simulation of a sonar screen. Written by \
734 default, it displays a random assortment of ``bogies'' on the screen, \
735 but if compiled properly, it can ping (pun intended) your local \
736 network, and actually plot the proximity of the other hosts on your \
737 network to you. It would be easy to make it monitor other sources of \
738 data, too. (Processes? Active network connections? CPU usage per \
739 user?) Written by Stephen Martin.",
740 "*hacks.t3d.name: T3D",
741 "*hacks.t3d.documentation: \
742 This draws a working analog clock composed of floating, throbbing \
743 bubbles. Written by Bernd Paysan.",
744 "*hacks.penetrate.documentation: \
745 This hack simulates the classic arcade game Missile Command. Written \
747 "*hacks.deluxe.documentation: \
748 This draws a pulsing sequence of stars, circles, and lines. It would \
749 look better if it was faster, but as far as I can tell, there is no \
750 way to make this be both: fast, and flicker-free. Yet another reason \
751 X sucks. Written by Jamie Zawinski.",
752 "*hacks.compass.documentation: \
753 This draws a compass, with all elements spinning about randomly, for \
754 that ``lost and nauseous'' feeling. Written by Jamie Zawinski.",
755 "*hacks.squiral.documentation: \
756 Draws a set of interacting, square-spiral-producing automata. The \
757 spirals grow outward until they hit something, then they go around \
758 it. Written by Jeff Epler.",
759 "*hacks.xflame.documentation: \
760 Draws a simulation of pulsing fire. It can also take an arbitrary \
761 image and set it on fire too. Written by Carsten Haitzler, hacked on \
763 "*hacks.wander.documentation: \
764 Draws a colorful random-walk, in various forms. Written by Rick \
766 "*hacks.critical.documentation: \
767 Draws a system of self-organizing lines. It starts out as random \
768 squiggles, but after a few iterations, order begins to appear. \
769 Written by Martin Pool.",
770 "*hacks.phosphor.documentation: \
771 Draws a simulation of an old terminal, with large pixels and \
772 long-sustain phosphor. It can run any program as a source of the text \
773 it displays. Written by Jamie Zawinski.",
774 "*hacks.xmatrix.documentation: \
775 A rendition of the text scrolls seen in the movie ``The Matrix.'' \
776 Written by Jamie Zawinski.",
777 "*hacks.petri.documentation: \
778 This simulates colonies of mold growing in a petri dish. Growing \
779 colored circles overlap and leave spiral interference in their wake. \
780 Written by Dan Bornstein.",
781 "*hacks.shadebobs.name: ShadeBobs",
782 "*hacks.shadebobs.documentation: \
783 This draws smoothly-shaded oscilating oval patterns, that look \
784 something like vapor trails or neon tubes. Written by Shane Smit.",
785 "*hacks.ccurve.name: C Curve",
786 "*hacks.ccurve.documentation: \
787 Generates self-similar linear fractals, including the classic ``C \
788 Curve.'' Written by Rick Campbell.",
789 "*hacks.blaster.documentation: \
790 Draws a simulation of flying space-combat robots (cleverly disguised \
791 as colored circles) doing battle in front of a moving star field. \
792 Written by Jonathan Lin.",
793 "*hacks.bumps.documentation: \
794 A bit like `Spotlight', except that instead of merely exposing part \
795 of your desktop, it creates a bump map from it. Basically, it \
796 3D-izes a roaming section of your desktop, based on color intensity. \
797 Written by Shane Smit.",
798 "*hacks.xteevee.name: XTeeVee",
799 "*hacks.xteevee.documentation: \
800 XTeeVee simulates various television problems, including static, \
801 loss of vertical hold, and a test pattern. By Greg Knauss.",
802 "*hacks.xspirograph.name: XSpiroGraph",
803 "*hacks.xspirograph.documentation: \
804 Simulates that pen-in-nested-plastic-gears toy from your childhood. \
806 "*hacks.nerverot.name: NerveRot",
807 "*hacks.nerverot.documentation: \
808 Draws a rolling tube, composed of nervously vibrating squiggles. \
810 "*hacks.webcollage.name: WebCollage",
811 "*hacks.webcollage.documentation: \
812 This program makes collages out of random images pulled off of the \
813 World Wide Web. It finds these images by doing random web searches, \
814 and then extracting images from the returned pages. It can also be \
815 set up to filter the images through the `VidWhacker' program, above, \
816 which looks really great. \
818 (Note that most of the images it finds are text, and not pictures. \
819 This is because most of the web is pictures of text. Which is pretty \
820 sad.) Written by Jamie Zawinski.",
821 "*hacks.vidwhacker.name: VidWhacker",
822 "*hacks.vidwhacker.documentation: \
823 This is actually just a shell script that grabs a frame of video from \
824 the system's video input, and then uses some PBM filters (chosen at \
825 random) to manipulate and recombine the video frame in various ways \
826 (edge detection, subtracting the image from a rotated version of \
827 itself, etc.) Then it displays that image for a few seconds, and \
828 does it again. This works really well if you just feed broadcast \
829 television into it. \
831 Currently, the three lines of the script that actually grab the \
832 source picture are SGI specific, but it should be trivial to adapt it \
833 to work on other systems that can grab video (please send me the \
834 changes if you do this...)",
835 "*hacks.rocks.documentation: \
836 This draws an animation of flight through an asteroid field, with \
837 changes in rotation and direction. It can also display 3D \
838 separations for red/blue glasses! Mostly written by Jamie Zawinski.",
839 "*hacks.bubbles.documentation: \
840 This simulates the kind of bubble formation that happens when water \
841 boils:small bubbles appear, and as they get closer to each other, \
842 they combine to form larger bubbles, which eventually pop. Written \
844 "*hacks.gears.documentation: \
845 This draws a set of turning, interlocking gears, rotating in three \
846 dimensions. Another GL hack, by Danny Sung, Brian Paul, and Ed \
848 "*hacks.superquadrics.documentation: \
849 Ed Mackey reports that he wrote the first version of this program in \
850 BASIC on a Commodore 64 in 1987, as a 320x200 black and white \
851 wireframe. Now it is GL and has specular reflections.",
852 "*hacks.morph3d.name: Morph3D",
853 "*hacks.morph3d.documentation: \
854 Another 3d shape-changing GL hack, by Marcelo Vianna. It has the \
855 same shiny-plastic feel as Superquadrics, as many computer-generated \
857 "*hacks.cage.documentation: \
858 This draws Escher's ``Impossible Cage,'' a 3d analog of a moebius \
859 strip, and rotates it in three dimensions. Written by Marcelo \
861 "*hacks.moebius.documentation: \
862 Another M. C. Escher hack by Marcelo Vianna, this one draws \
863 ``Moebius Strip II,'' a GL image of ants walking along the surface of \
865 "*hacks.stairs.documentation: \
866 by Marcelo Vianna's third Escher GL hack, this one draws an \
867 ``infinite'' staircase.",
868 "*hacks.pipes.documentation: \
869 If you've ever been in the same room with a Windows NT machine, \
870 you've probably seen this GL hack. This version is by Marcelo \
872 "*hacks.sproingies.documentation: \
873 Q-Bert meets Marble Madness! Written by Ed Mackey.",
874 "*hacks.rubik.documentation: \
875 Draws a Rubik's Cube that rotates in three dimensions and repeatedly \
876 shuffles and solves itself. Another fine GL hack by Marcelo Vianna.",
877 "*hacks.atlantis.documentation: \
878 This is xfishtank writ large: a GL animation of a number of sharks, \
879 dolphins, and whales. The swimming motions are great. Originally \
880 written by Mark Kilgard.",
881 "*hacks.lament.documentation: \
882 Animates a simulation of Lemarchand's Box, repeatedly solving itself. \
883 Requires OpenGL, and a machine with fast hardware support for texture \
884 maps. Warning: occasionally opens doors. Written by Jamie Zawinski.",
885 "*hacks.bubble3d.name: Bubble3D",
886 "*hacks.bubble3d.documentation: \
887 Draws a stream of rising, undulating 3D bubbles, rising toward the \
888 top of the screen, with nice specular reflections. Written by Richard \
890 "*hacks.glplanet.name: GLPlanet",
891 "*hacks.glplanet.documentation: \
892 Draws a planet bouncing around in space. Written by David Konerding. \
893 The built-in image is a map of the earth (extracted from `xearth'), \
894 but you can wrap any texture around the sphere, e.g., the planetary \
895 textures that come with `ssystem'.",
896 "*hacks.pulsar.documentation: \
897 Draws some intersecting planes, making use of alpha blending, fog, \
898 textures, and mipmaps, plus a ``frames per second'' meter so that you \
899 can tell how fast your graphics card is... Requires OpenGL. Written \
900 by David Konerding.",
901 "*hacks.extrusion.documentation: \
902 Draws various rotating extruded shapes that twist around, lengthen, \
903 and turn inside out. Created by David Konerding from the samples \
904 that come with the GL Extrusion library by Linas Vepstas.",
905 "*hacks.sierpinski3d.name: Sierpinski3D",
906 "*hacks.sierpinski3d.documentation: \
907 This draws the three-dimensional variant of the recursive Sierpinski \
908 triangle fractal, using GL. Written by Tim Robinson and Jamie Zawinski.",
909 "*hacks.ripples.documentation: \
910 This draws rippling interference patterns like splashing water. \
911 With the -water option, it manipulates your desktop image to look \
912 like something is dripping into it. Written by Tom Hammersley.",
913 "*hacks.gflux.name: GFlux",
914 "*hacks.gflux.documentation: \
915 Draws a rippling waves on a rotating wireframe grid, using GL. \
916 Written by Josiah Pease.",
917 "*hacks.xrayswarm.name: XRaySwarm",
918 "*hacks.xrayswarm.documentation: \
919 Draws a few swarms of critters flying around the screen, with nicely \
920 faded color trails behind them. Written by Chris Leger.",
921 "*hacks.zoom.documentation: \
922 Zooms in on a part of the screen and then moves around. With the \
923 -lenses option the result is like looking through many overlapping \
924 lenses rather than just a simple zoom. Written by James Macnicol.",
925 "*hacks.whirlwindwarp.name: WhirlwindWarp",
926 "*hacks.whirlwindwarp.documentation: \
927 Floating stars are acted upon by a mixture of simple 2D \
928 forcefields. The strength of each forcefield changes \
929 continuously, and it is also switched on and off at random. \
930 By Paul 'Joey' Clark, ported from a QB program written for Ivor.",
931 "*hacks.xdaliclock.name: XDaliClock",
932 "*hacks.xdaliclock.documentation: \
933 XDaliClock draws a large digital clock, the numbers of which change by \
934 ``melting'' into their new shapes. Written by Jamie Zawinski. This \
935 is not included with the XScreenSaver package, but if you don't have \
936 it already, you can find it at <http://www.jwz.org/xdaliclock/>.",
937 "*hacks.xearth.documentation: \
938 XEarth draws an image of the Earth, as seen from your favorite vantage \
939 point in space, correctly shaded for the current position of the Sun. \
940 Written by Kirk Johnson. This is not included with the XScreenSaver \
941 package, but if you don't have it already, you can find it at \
942 <http://www.cs.colorado.edu/~tuna/xearth/>.",
943 "*hacks.ssystem.name: SSystem",
944 "*hacks.ssystem.documentation: \
945 SSystem is a GL Solar System simulator. It simulates flybys of Sun, \
946 the nine planets and a few major satellites, with four camera modes. \
947 Written by Raul Alonso. This is not included with the XScreenSaver \
948 package, but if you don't have it already, you can find it at \
949 <http://www1.las.es/~amil/ssystem/>.",
950 "*hacks.xmountains.documentation: \
951 XMountains generates realistic-looking fractal terrains of snow-capped \
952 mountains near water, with either a top view or a side view. \
953 Written by Stephen Booth. This is not included with the XScreenSaver \
954 package, but if you don't have it already, you can find it at \
955 <http://www.epcc.ed.ac.uk/~spb/xmountains/>. \
957 Be sure to compile it with -DVROOT or it won't work right when launched \
958 by the xscreensaver daemon.",
959 "*hacks.xaos.name: XaoS",
960 "*hacks.xaos.documentation: \
961 XaoS generates fast fly-through animations of the Mandelbrot and other \
962 fractal sets. Written by Thomas Marsh and Jan Hubicka. This is not \
963 included with the XScreenSaver package, but if you don't have it \
964 already, you can find it at <http://limax.paru.cas.cz/~hubicka/XaoS/>.",
965 "*hacks.xfishtank.name: XFishTank",
966 "*hacks.xfishtank.documentation: \
967 Fish! This is not included with the XScreenSaver package, but if you \
968 don't have it already, you can find it at \
969 <http://metalab.unc.edu/pub/Linux/X11/demos/>.",
970 "*hacks.xsnow.documentation: \
971 Draws falling snow and the occasional tiny Santa. By Rick Jansen. \
972 You can find it at <http://www.euronet.nl/~rja/Xsnow/>.",
973 "*hacks.goban.documentation: \
974 Replays historical games of go (aka wei-chi and baduk) on the screen. \
975 By Scott Draves. You can find it at <http://www.draves.org/goban/>.",
976 "*hacks.electricsheep.name: ElectricSheep",
977 "*hacks.electricsheep.documentation: \
978 ElectricSheep is an xscreensaver module that displays mpeg video of \
979 an animated fractal flame. In the background, it contributes render \
980 cycles to the next animation. Periodically it uploades completed \
981 frames to the server, where they are compressed for distribution to \
984 This program is recommended only if you have a high bandwidth \
985 connection to the Internet. \
987 By Scott Draves. You can find it at <http://www.electricsheep.org/>. \
988 See that web site for configuration information.",
989 "*hacks.cosmos.documentation: \
990 Draws fireworks and zooming, fading flares. By Tom Campbell. \
991 You can find it at <http://www.mindspring.com/~campbell/cosmos/>.",
projects / xscreensaver / blob