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whirlygig -- zooming chains of sinusoidal spots
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[\-display \fIhost:display.screen\fP] [\-window] [\-root] [\-background] [\-foreground] [\-xspeed] [\-yspeed] [\-whirlies] [\-nlines]
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[\-display \fIhost:display.screen\fP] [\-window] [\-root] [\-mono]
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[\-install] [\-noinstall] [\-visual arg] [\-window-id arg]
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[\-xspeed arg] [\-yspeed arg] [\-whirlies arg] [\-nlines arg]
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[\-xmode arg] [\-ymode arg] [\-speed arg] [\-trail 1|0]
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[\-color_modifier arg] [\-start_time arg] [\-explain 1|0]
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[\-wrap 1|0] [\-db] [\-no-db]
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The \flwhirlygig\fP program draws a series of circles on your screen.
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They then move about in a cyclic pattern
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.B \-xspeed \flspeed\fP
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Specify how fast the dots should cycle horizontally.
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Try out values from .01 to 4000
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Try out values from .01 to 4000. Random by default.
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.B \-yspeed \flspeed\fP
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Specify how fast the dots should cycle vertically.
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Try out values from .01 to 4000
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Try out values from .01 to 4000. Random by default.
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.B \-xamplitude \flfactor\fP
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Specify the horizonatal amplitude.
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Try out values from .01 to 10. Defaults to 1.0.
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.B \-yamplitude \flfactor\fP
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Specify the horizonatal amplitude.
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Try out values from .01 to 10. Defaults to 1.0.
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.B \-whirlies \fla number\fP
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Specify how many whilrlies you want
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Specify how many whirlies you want (per line). Defaults
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.B \-nlines \flnumber of lines\fP
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Specify how many lines of whirlies you want
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Specify how many lines of whirlies you want. Defaults to a
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Specify which mode to use for calculating the x and y positions of the
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whirlies. Can be any of spin, funky, circle, linear, test, fun, innie
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or lissajous. Defaults to 'change' mode, which randomly selects a new
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mode for x and y every now an then. Unrecognized options default to spin.
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Prints some strings to the window explaining what the initially
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selected modes are, before displaying the whirlies. Off by default.
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.B \-trail \fl1 or 0\fP
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Trail mode fails to erase the whirlies as they move, so they leave a
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multicoloured trail behind. Doesn't work if the doubled buffered mode
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is using the X server's double buffer extension, and the useDBEclear
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resource is true (which it is by default).
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Specifies how fast to cycle through the internal time. Values 1,2 and
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3 look ok, up to 10 is not too bad, but beyond ends up
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flickery. Adjust xspeed and yspeed instead.
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.B \-start_time \flint\fP
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Where in the internal time cycle to start. Ranges from 1 to 429496729,
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Defaults to a random value.
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.B \-xoffset \flfactor\fP
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Tell the whirlies to be offset by this factor of a sin.
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.B \-yoffset \flfactor\fP
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Tell the whirlies to be offset by this factor of a cos.
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.B \-offset_period \flfactor\fP
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Change the period of an offset cycle
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.B \-color_modifier \flint\fP
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How many colors away from the current should the next whirly be?
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Causes whirlies that fall off the edge of the screen to wrap over to
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the other end of the screen. Otherwise they disappear and new ones
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to materialize on the other side of the screen. The difference is
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subtle, but it is different. Try it. On by default.
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Use double buffering to reduce flicker. This uses the double buffering
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extension if your X server supports it, otherwise it draws to it's own
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pixmap buffer and copies that to the window, which works almost as
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well. If the resource 'useDBEClear' is true, whirlies are not
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individually erased, so the -trail option won't work, and running
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multiple instances on the root window will flicker.
added
removed
hacks/whirlygig.man
