mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-12-27 00:58:51 +01:00
60 lines
1.6 KiB
PowerShell
Executable File
60 lines
1.6 KiB
PowerShell
Executable File
<#
|
|
.SYNOPSIS
|
|
Writes the matrix
|
|
.DESCRIPTION
|
|
This PowerShell script writes the animated Matrix.
|
|
.EXAMPLE
|
|
PS> ./write-fractal
|
|
.LINK
|
|
https://github.com/fleschutz/PowerShell
|
|
.NOTES
|
|
Author: Markus Fleschutz | License: CC0
|
|
#>
|
|
|
|
function CalculateMatrix { param([int]$Pos, [char]$Letter)
|
|
[int]$maxx = $rui.MaxWindowSize.Width
|
|
[int]$maxy = $rui.MaxWindowSize.Height
|
|
[int]$y = 0
|
|
for ([int]$x = 0; $x -lt $maxx; $x++) {
|
|
if ($x -eq $Pos) {
|
|
$global:buf[$y * $maxx + $x] = $Letter
|
|
} else {
|
|
$global:buf[$y * $maxx + $x] = [char]32
|
|
}
|
|
}
|
|
for ([int]$y = ($maxy - 1); $y -gt 0; $y--) {
|
|
for ([int]$x = 0; $x -lt $maxx; $x++) {
|
|
$global:buf[$y * $maxx + $x] = $global:buf[($y - 1) * $maxx + $x]
|
|
}
|
|
}
|
|
}
|
|
|
|
function NextLetter {
|
|
if ($global:index -eq 6) { $global:index = 0; $global:pos = [int]$global:generator.next(0, $rui.MaxWindowSize.Width) }
|
|
switch($global:index++) {
|
|
0 { return 'X' }
|
|
1 { return 'I' }
|
|
2 { return 'R' }
|
|
3 { return 'T' }
|
|
4 { return 'A' }
|
|
5 { return 'M' }
|
|
}
|
|
}
|
|
|
|
$ui = (Get-Host).ui
|
|
$rui = $ui.rawui
|
|
$buffer0 = ""
|
|
1..($rui.MaxWindowSize.Width * $rui.MaxWindowSize.Height) | ForEach-Object { $buffer0 += " " }
|
|
$global:buf = $buffer0.ToCharArray()
|
|
$global:generator = New-Object System.Random
|
|
$global:pos = [int]$global:generator.next(0, $rui.MaxWindowSize.Width)
|
|
$global:index = 0
|
|
|
|
while ($true) {
|
|
$Letter = NextLetter
|
|
CalculateMatrix $global:pos $Letter
|
|
[console]::SetCursorPosition(0,0)
|
|
[string]$Screen = New-Object system.string($global:buf, 0, $global:buf.Length)
|
|
Write-Host -foreground green $Screen -noNewline
|
|
}
|
|
exit 0 # success |