Created
November 29, 2022 12:25
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Generator of the Supersymmetric Table of Cellular Automata
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<?php | |
error_reporting(E_ALL); | |
function bin(int $n): string | |
{ | |
$bin = str_pad(decbin($n), 8, '0', STR_PAD_LEFT); | |
return substr($bin, 0, 4) . ' ' . substr($bin, 4, 4); | |
} | |
$rules = range(0, 255); | |
$states = [' ', ' #', ' # ', ' ##', '# ', '# #', '## ', '###']; | |
$borders = 12 + 12 + 8 + 32; // 64 | |
$bodyWidth = 1920 - 64; // 1856 | |
$oneWidth = $bodyWidth / 16; // 116 | |
$bodyHeight = 1080 - 64; // 1016 | |
$oneHeight = $bodyHeight / 16; // 63,5 | |
$width = 115; // 97, 153 | |
$height = 61; | |
$start = ''; | |
for ($w = 0; $w < $width; $w++) { | |
$start[$w] = random_int(0, 1) !== 0 ? '#' : ' '; | |
} | |
foreach ($rules as $rule) { | |
$actions = []; | |
for ($i = 0; $i < 8; $i++) { | |
$actions[$states[$i]] = ($rule & (2 ** $i)) ? '#' : ' '; | |
} | |
$image = imagecreate($width, $height); | |
$dead = imagecolorallocate($image, 255, 255, 255); | |
$live = imagecolorallocate($image, 0, 0, 0); | |
$current = $start; | |
for ($x = 1; $x <= $width; $x++) { | |
imagesetpixel($image, $x - 1, 0, $start[$x] === ' ' ? $dead : $live); | |
} | |
$ca = [$current]; | |
for ($y = 1; $y < $height; $y++) { | |
$next = ' '; | |
for ($x = 1; $x <= $width; $x++) { | |
$cell = $actions[substr($current, $x - 1, 3)]; | |
$next .= $cell; | |
imagesetpixel($image, $x - 1, $y, $cell === ' ' ? $dead : $live); | |
} | |
$next .= ' '; | |
$current = $next; | |
} | |
imagepng($image, __DIR__ . "/img/{$rule}.png"); | |
} | |
$sortResults = true; | |
echo "<html><body> | |
<style> | |
img { image-rendering: pixelated; margin: 0px; } | |
table { border-collapse: collapse } | |
td { position: relative; font-size: 6pt; font-family: 'pixelFJ8pt1'; } | |
td .r { position: absolute; bottom: 3px; left: 3px; padding: 0px 2px 0px 2px; background: white; } | |
td .b { position: absolute; bottom: 3px; right: 3px; padding: 0px 2px 0px 2px; background: white; } | |
.title { font-size: 12pt; font-family: 'pixelFJ8pt1'; font-smooth: never; } | |
td { border: 1px black solid; } | |
td:nth-child(1) { border-left-width: 4px; } | |
td:nth-child(2n) { border-right-width: 2px; } | |
td:nth-child(4n) { border-right-width: 3px; } | |
td:nth-child(8n) { border-right-width: 4px; } | |
tr:nth-child(1) td { border-top-width: 4px; } | |
tr:nth-child(2n) td { border-bottom-width: 2px; } | |
tr:nth-child(4n) td { border-bottom-width: 3px; } | |
tr:nth-child(8n) td { border-bottom-width: 4px; } | |
</style> | |
<pre><code>"; | |
echo "<div class='title'>Supersymmetric Table of Elementary Cellular Automata (@paranoiq 2022)</div>"; | |
echo "<table>"; | |
$rows = [0, 16, 64, 80, 32, 48, 96, 112, 128, 144, 192, 208, 160, 176, 224, 240]; | |
$cols = [0, 2, 8, 10, 4, 6, 12, 14, 1, 3, 9, 11, 5, 7, 13, 15]; | |
foreach ($rows as $row) { | |
echo "<tr>"; | |
foreach ($cols as $col) { | |
$rule = $row + $col; | |
$bin = bin($rule); | |
echo "<td><div class='r'>{$rule}</div><div class='b'>{$bin}</div><img src='img/{$rule}.png'>"; | |
echo "</td>"; | |
} | |
echo "</tr>"; | |
} | |
echo "</table>"; |
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