Scripts/starfield-warp.ps1
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# Unique Concept: Starfield warp effect with motion blur and relativistic color shifting. # Stars stream past with velocity-based trails creating a hyperspace jump visual. $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)) } $width = 110 $height = 26 $rand = [System.Random]::new(888) # Generate stars with radial positions $stars = for ($i = 0; $i -lt 200; $i++) { $angle = $rand.NextDouble() * 2 * [math]::PI $distance = 0.1 + $rand.NextDouble() * 0.9 @{ Angle = $angle Distance = $distance Hue = $rand.NextDouble() Speed = 0.5 + $rand.NextDouble() * 1.5 } } $grid = @{} $centerX = 55 $centerY = 13 foreach ($star in $stars) { # Warp speed increases with distance $warpDist = $star.Distance + $star.Speed * 0.15 # Draw star trail $trailSteps = [int]($star.Speed * 12) for ($t = 0; $t -lt $trailSteps; $t++) { $trailDist = $star.Distance + ($warpDist - $star.Distance) * ($t / [double]$trailSteps) $px = [int]($centerX + $trailDist * 50 * [math]::Cos($star.Angle)) $py = [int]($centerY + $trailDist * 22 * [math]::Sin($star.Angle)) if ($px -ge 0 -and $px -lt $width -and $py -ge 0 -and $py -lt $height) { $key = "$px,$py" $intensity = ($t / [double]$trailSteps) * $star.Speed if (-not $grid.ContainsKey($key) -or $grid[$key].Intensity -lt $intensity) { $grid[$key] = @{ Intensity = $intensity Hue = $star.Hue Distance = $trailDist } } } } } # Render for ($row = 0; $row -lt $height; $row++) { $sb = [System.Text.StringBuilder]::new() for ($col = 0; $col -lt $width; $col++) { $key = "$col,$row" if ($grid.ContainsKey($key)) { $cell = $grid[$key] # Blue-shift effect at high speed $hue = ($cell.Hue + 0.5 + $cell.Intensity * 0.2) % 1 $saturation = 0.6 + 0.35 * $cell.Intensity $value = 0.3 + 0.65 * $cell.Intensity $rgb = Convert-HsvToRgb -Hue $hue -Saturation $saturation -Value $value $symbol = if ($cell.Intensity -gt 1.5) { '━' } elseif ($cell.Intensity -gt 1.0) { '─' } elseif ($cell.Intensity -gt 0.5) { '∙' } else { '·' } $null = $sb.Append("$esc[38;2;$($rgb[0]);$($rgb[1]);$($rgb[2])m$symbol") } else { $null = $sb.Append("$esc[38;2;5;5;8m ") } } Write-Host ($sb.ToString() + $reset) } Write-Host $reset |