function make_cut_image($row, $verts, $width, $height)
{
$center = new vertex(0, 0, 0);
$image = imagecreatetruecolor($width, $height);
if (isset($_REQUEST['usealpha'])) {
$trans_color = imagecolorallocatealpha($image, 255, 255, 255, 0);
imagefill($image, 0, 0, $trans_color);
}
$verticies = explode("\n", $verts);
$start = new vertex(0, 0, 0);
$start->parse_llvector($verticies[0]);
$count = count($verticies);
$x = 0.0;
$t = 0.0;
$start_color = new vertex(0, 128, 0);
$end_color = new vertex(255, 255, 255);
$previous = $start;
foreach ($verticies as $point) {
$current = new vertex(0, 0, 0);
$current->parse_llvector($point);
$center->add($current);
++$x;
}
$center->mult(1.0 / $x);
$x = 0;
imagesetthickness($image, 2);
foreach ($verticies as $point) {
$t = $x / $count;
$current = new vertex(0, 0, 0);
$current->parse_llvector($point);
if ($verticies[0] != $point) {
$vcolor = $start_color->get_interp($end_color, $t);
$color = $vcolor->allocate_color($image);
fill_pie($image, $center, $previous, $current, $width, $height, $color);
}
$previous = $current;
++$x;
}
$color = imagecolorallocate($image, $end_color->x, $end_color->y, $end_color->z);
fill_pie($image, $center, $previous, $start, $width, $height, $color);
$x = 0;
foreach ($verticies as $point) {
++$x;
$t = $x / $count;
$current = new vertex(0, 0, 0);
$current->parse_llvector($point);
$current->x = ($current->x + 1) * 0.5;
$current->y = 1.0 - ($current->y + 1) * 0.5;
$current->x *= $width;
$current->y *= $height;
$color = $color = imagecolorallocate($image, 255 * $t, 0, 255 * (1 - $t));
imagefilledellipse($image, intval($current->x), intval($current->y), 8, 8, $color);
}
return $image;
}
