Scripts/aurora-stream.ps1
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$esc = [char]27 $reset = "$esc[0m" $rows = 16 $cols = 84 Write-Host for ($y = 0; $y -lt $rows; $y++) { $sb = [System.Text.StringBuilder]::new() for ($x = 0; $x -lt $cols; $x++) { $phase = ($x / [double]($cols - 1)) * [math]::PI * 2 + $y * 0.33 $variance = [math]::Sin($y * 0.2) $r = [int][math]::Round(125 + 110 * [math]::Sin($phase + 0.7)) $g = [int][math]::Round(135 + 100 * [math]::Sin($phase + 2.3 + $variance)) $b = [int][math]::Round(165 + 95 * [math]::Sin($phase + 4.4 - $variance)) if ($r -lt 0) { $r = 0 } elseif ($r -gt 255) { $r = 255 } if ($g -lt 0) { $g = 0 } elseif ($g -gt 255) { $g = 255 } if ($b -lt 0) { $b = 0 } elseif ($b -gt 255) { $b = 255 } $char = if ((($x + $y) % 4) -lt 2) { '▀' } else { '▄' } $null = $sb.Append("$esc[38;2;$r;$g;$b" + "m$char") } $null = $sb.Append($reset) Write-Host $sb.ToString() } Write-Host $reset |