Scripts/prismatic-crystals.ps1
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# Unique Concept: Crystal lattice with refractive light patterns and geometric symmetries. # Hexagonal crystal structures with light bending through prismatic facets. $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) # Hexagonal lattice $hexX = $nx * 10 $hexY = $ny * 6 $hexDist = [math]::Sqrt(($hexX % 1 - 0.5) * ($hexX % 1 - 0.5) + ($hexY % 1 - 0.5) * ($hexY % 1 - 0.5)) # Light refraction simulation $angle = [math]::Atan2($ny - 0.5, $nx - 0.5) $refraction = [math]::Sin($angle * 6 + $hexDist * [math]::PI * 2) * 0.5 + 0.5 $facet = [math]::Floor($angle / ([math]::PI / 3)) % 6 $prismHue = $facet / 6.0 $intensity = Clamp -Value (1.0 - $hexDist * 2) * $refraction -Min 0 -Max 1 $hue = ($prismHue + 0.2 * [math]::Sin($hexDist * [math]::PI * 4)) % 1 if ($hue -lt 0) { $hue += 1 } $saturation = Clamp -Value (0.9 - $hexDist * 0.3) -Min 0.6 -Max 1 $value = Clamp -Value (0.3 + 0.7 * [math]::Pow($intensity, 0.6)) -Min 0.2 -Max 1 $symbol = if ($intensity -gt 0.9) { '◆' } elseif ($intensity -gt 0.7) { '◇' } elseif ($intensity -gt 0.5) { '⋄' } elseif ($intensity -gt 0.3) { '·' } 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 |