Scripts/aurora-waves.ps1
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# Unique Concept: Aurora Borealis waves with flowing energy streams and polar light gradients. # Dynamic wave interference creating aurora-like curtains with magnetic field influences. $ErrorActionPreference = 'Stop' $esc = [char]27 $reset = "$esc[0m" function Convert-HsvToRgb { param( [double]$Hue, [double]$Saturation, [double]$Value ) $h = ($Hue % 1) * 6 $sector = [math]::Floor($h) $fraction = $h - $sector $p = $Value * (1 - $Saturation) $q = $Value * (1 - $fraction * $Saturation) $t = $Value * (1 - (1 - $fraction) * $Saturation) switch ($sector) { 0 { $r = $Value; $g = $t; $b = $p } 1 { $r = $q; $g = $Value; $b = $p } 2 { $r = $p; $g = $Value; $b = $t } 3 { $r = $p; $g = $q; $b = $Value } 4 { $r = $t; $g = $p; $b = $Value } default { $r = $Value; $g = $p; $b = $q } } return @([int][math]::Round($r * 255), [int][math]::Round($g * 255), [int][math]::Round($b * 255)) } function Clamp { param( [double]$Value, [double]$Min, [double]$Max ) if ($Value -lt $Min) { return $Min } if ($Value -gt $Max) { return $Max } return $Value } $width = 120 $height = 30 for ($row = $height - 1; $row -ge 0; $row--) { $sb = [System.Text.StringBuilder]::new() for ($col = 0; $col -lt $width; $col++) { $nx = $col / [double]($width - 1) $ny = $row / [double]($height - 1) # Multiple wave layers for aurora effect $wave1 = [math]::Sin(2.0 * [math]::PI * ($nx * 3.0 + $ny * 0.5)) $wave2 = [math]::Sin(2.0 * [math]::PI * ($nx * 2.5 + $ny * 0.7 + 0.3)) $wave3 = [math]::Sin(2.0 * [math]::PI * ($nx * 4.0 + $ny * 0.3 + 0.6)) $interference = ($wave1 + $wave2 + $wave3) / 3.0 $curvature = [math]::Sin([math]::PI * $ny) * 0.8 $energy = [math]::Abs($interference) * (1.0 - $ny * 0.6) + $curvature * 0.2 $energy = Clamp -Value $energy -Min 0 -Max 1 $hue = (0.55 + 0.3 * $wave1 + 0.2 * $wave2 + 0.1 * [math]::Sin($nx * [math]::PI * 2)) % 1 if ($hue -lt 0) { $hue += 1 } $saturation = Clamp -Value (0.8 + 0.2 * $energy) -Min 0.5 -Max 1 $value = Clamp -Value (0.2 + 0.8 * [math]::Pow($energy, 0.7)) -Min 0.1 -Max 1 $symbol = if ($energy -gt 0.8) { '✦' } elseif ($energy -gt 0.6) { '✧' } elseif ($energy -gt 0.4) { '⋆' } elseif ($energy -gt 0.2) { '·' } else { ' ' } $rgb = Convert-HsvToRgb -Hue $hue -Saturation $saturation -Value $value $null = $sb.Append("$esc[38;2;$($rgb[0]);$($rgb[1]);$($rgb[2])m$symbol") } Write-Host ($sb.ToString() + $reset) } Write-Host $reset |