.TH RUSTY-RAIN 1 "August 2025" "rusty-rain 0.3.7"
.SH NAME
rusty-rain \- A cross platform CMatrix-like program.
.SH SYNOPSIS
.B rusty-rain
[\fIOPTIONS\fR]
.SH DESCRIPTION
Rusty Rain simulates a "digital rain" effect in your terminal, similar to the
classic CMatrix program, but written in Rust with additional customization
options for colors, characters, speed, and direction. It is cross-platform and
supports many fun visual styles.
.SH OPTIONS
.TP
.BR \-s ", " \-\-shade
Enable shaded rain effect.
.TP
.BR \-c ", " \-\-chars " \fICHARS\fR"
Set what kind of characters are printed as rain.
.br
Available values:
all, alphalow, alphaup, alpha-num, arrow, bin, cards, clock,
crab, dominosh, dominosv, earth, emojis, jap, large-letters,
moon, num, numbered-balls, numbered-cubes, plants, smile, shapes
.br
Default: \fIbin\fR
.TP
.BR \-C ", " \-\-color " \fICOLOR\fR"
Set color of rain using a color name or RGB tuple.
.br
Available names: white, red, blue, green
.br
Tuple format: \fIr,g,b\fR
.br
Default: \fIgreen\fR
.TP
.BR \-H ", " \-\-head " \fICOLOR\fR"
Set the color of the first character in each rain drop.
.br
Available names: white, red, blue, green
.br
Tuple format: \fIr,g,b\fR
.br
Default: \fIwhite\fR
.TP
.BR \-d ", " \-\-direction " \fIDIRECTION\fR"
Set the direction of the rain.
.br
Available values: up, down, left, right
.br
Aliases: north, south, west, east
.br
Default: \fIdown\fR
.TP
.BR \-S ", " \-\-speed " \fISPEED\fR"
Set the rain speed in milliseconds. May be a single value or a range.
.br
Default: \fI40,200\fR
.TP
.BR \-h ", " \-\-help
Display help message and exit.
.TP
.BR \-V ", " \-\-version
Display version information and exit.
.SH EXAMPLES
.TP
Start rain with shaded effect:
.br
.B rusty-rain --shade
.TP
Matrix-style Japanese characters in red:
.br
.B rusty-rain --chars jap --color red
.TP
Slow blue rain from right to left:
.br
.B rusty-rain --color blue --direction left --speed 200,400
.SH AUTHOR
cowboy8625 <cowboy8625@protonmail.com>
.SH HOMEPAGE
<http://rusty-rain.xyz>