Rubik's Cube Image Generator Download

Below you can find the source of the Rubik's Cube Image generator by Josef Jelinek or you can save the code in .txt format.
Click here to read about the Rubik's Cube Image Generator
<?php
function rotu($u,$v,$a) { return $u*cos($a) - $v*sin($a); }
function rotv($u,$v,$a) { return $u*sin($a) + $v*cos($a); }
function rotxy($x,$y,$z,$ex,$ey,$ez,$ax,$ay) {
 $ry = rotu($ey,$ez,$ax);
 $rz = rotv($ey,$ez,$ax);
 $rx = rotu($ex,$rz,$ay);
 $rz = rotv($ex,$rz,$ay);
 return $x*$rx + $y*$ry + $z*$rz;
}
function projxy($x,$y,$z,$ex,$ey,$ax,$ay,$m) {
 $xx = $m == 2 ? $z : $x;
 $yy = $m == 0 ? $z : $y;
 $zz = $m == 0 ? -$y : ($m == 2 ? $x : $z);
 return rotxy($xx,$yy,$zz,$ex,$ey,0,$ax,$ay) / (1.0 - 0.3 * rotxy($xx,$yy,$zz,0,0,-1,$ax,$ay));
}
function outcoordx($x,$m) { return $m > 0 ? $x * 0.58 + 0.52 : $x * -0.58 + 0.48; }
function outcoordy($y,$m) { return $m > 0 ? $y * 0.58 + 0.46 : $y * -0.58 + 0.54; }
function tile($im,$r, $x0,$y0, $x1,$y1, $x2,$y2, $x3,$y3, $z, $ax, $ay, $c, $m, $mx, $my) {
 $xx0 = outcoordx(projxy($x0,$y0,$z,1,0,$ax,$ay,$m), $mx) * $r;
 $yy0 = outcoordy(projxy($x0,$y0,$z,0,1,$ax,$ay,$m), $my) * $r;
 $xx1 = outcoordx(projxy($x1,$y1,$z,1,0,$ax,$ay,$m), $mx) * $r;
 $yy1 = outcoordy(projxy($x1,$y1,$z,0,1,$ax,$ay,$m), $my) * $r;
 $xx2 = outcoordx(projxy($x2,$y2,$z,1,0,$ax,$ay,$m), $mx) * $r;
 $yy2 = outcoordy(projxy($x2,$y2,$z,0,1,$ax,$ay,$m), $my) * $r;
 $xx3 = outcoordx(projxy($x3,$y3,$z,1,0,$ax,$ay,$m), $mx) * $r;
 $yy3 = outcoordy(projxy($x3,$y3,$z,0,1,$ax,$ay,$m), $my) * $r;
 imagefilledpolygon($im, array($xx0,$yy0, $xx1,$yy1, $xx2,$yy2, $xx3,$yy3), 4, $c);
}
function square($im,$r, $x,$y, $w, $b, $z, $m, $c, $mx, $my) {
 tile($im,$r, $x+$b-0.5,$y+$b-0.5, $x+$w-$b-0.5,$y+$b-0.5, $x+$w-$b-0.5,$y+$w-$b-0.5, $x+$b-0.5,$y+$w-$b-0.5, $z, -0.5, 0.6, $c, $m, $mx, $my);
}
$side = isset($_GET['n']) ? 1 * $_GET['n'] : 3;
$size = isset($_GET['size']) ? $_GET['size'] : 100;
$b = isset($_GET['b']) ? $_GET['b'] : 25;
$d = isset($_GET['d']) ? $_GET['d'] : 5;
$dim = min(5 * $size, 500);
$fl = isset($_GET['fl']) ? $_GET['fl'] : $_GET['stickers'];
$bg = isset($_GET['bg']) ? hexdec($_GET['bg']) : 0xFFFFFF;
$c = array( 'r'=>0xD00000, 'o'=>0xEE8800, 'b'=>0x2040D0, 'g'=>0x11AA00, 'w'=>0xFFFFFF, 'y'=>0xFFFF00,
 'l'=>0xDDDDDD, 'd'=>0x555555, 'x'=>0x999999, 'k'=>0x111111, 'c'=>0x0099FF, 'p'=>0xFF99CC, 'm'=>0xFF0099);
$mx = isset($_GET['m']) ? ($_GET['m'] == 'x' || $_GET['m'] == 'xy' ? -1 : 1) : 1;
$my = isset($_GET['m']) ? ($_GET['m'] == 'y' || $_GET['m'] == 'xy' ? -1 : 1) : 1;
 
$im = imagecreatetruecolor($dim,$dim);
imagefilledrectangle($im, 0,0, $dim-1,$dim-1, $bg);
square($im,$dim, 0,0, 1, 0, -0.5, 0, 0x010101, $mx, $my); // U
square($im,$dim, 0,0, 1, 0, -0.5, 1, 0x090909, $mx, $my); // F
square($im,$dim, 0,0, 1, 0,  0.5, 2, 0x050505, $mx, $my); // R
for ($m = 0; $m < 3; $m++)
 for ($i = 0; $i < $side; $i++)
  for ($j = 0; $j < $side; $j++)
   square($im,$dim, $j/(1.0*$side),$i/(1.0*$side), 1.0/$side, $b/1000.0, $m < 2 ? -0.5-$d/1000.0 : 0.5+$d/1000.0, $m, $c[substr($fl,$m*$side*$side+$i*$side+$j,1)], $mx, $my);
$im2 = imagecreatetruecolor($size,$size);
imagecopyresampled($im2, $im, 0,0, 0,0, $size,$size, $dim,$dim);
imagedestroy($im);
if (!isset($_GET['f']) || $_GET['f'] == 'gif'):
 header('Content-type: image/gif');
 imagegif($im2);
elseif ($_GET['f'] == 'png'):
 header("Content-type: image/png");
 imagepng($im2);
elseif ($_GET['f'] == 'jpg' || $_GET['f'] == 'jpeg'):
 header('Content-type: image/jpeg');
 imagejpeg($im2);
endif;
imagedestroy($im2);
?>
Rubik's Cube Image Generator Download

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