<?
header("Content-type: image/jpeg");
$image = imagecreatetruecolor( 320, 300);
$basecolor = imagecolorallocate( $image, 255, 0, 0);
//imagecolortransparent( $image, $basecolor);
imagefilledrectangle($image, 0, 0, 320, 300, $basecolor);
# set colors, line thickness, center point & radius
$r = 0;
$g = 0;
$b = 255;
imagesetthickness($image, 6);
$xoffset = 160;
$yoffset = 160;
$radius = 150;

$d=36;
################### loop 1
for ($count=0; $count<=45; $count=$count+.7)
{
$deg = deg2rad($d+72);
$x1=$xoffset+$radius*sin($deg);
$y1=$yoffset+$radius*cos($deg);

$deg = deg2rad($d+144);
$x2=$xoffset+$radius*sin($deg);
$y2=$yoffset+$radius*cos($deg);

$deg = deg2rad($d+216);
$x3=$xoffset+$radius*sin($deg);
$y3=$yoffset+$radius*cos($deg);

$deg = deg2rad($d+288);
$x4=$xoffset+$radius*sin($deg);
$y4=$yoffset+$radius*cos($deg);

$deg = deg2rad($d);
$x5=$xoffset+$radius*sin($deg);
$y5=$yoffset+$radius*cos($deg);

$starcolor = imagecolorallocatealpha( $image, $r, $g, $b, 75);
$star = array(
   $x1, $y1, 
   $x3, $y3,
   $x5, $y5, 
   $x2, $y2,
   $x4, $y4, 
);
imagepolygon($image, $star, 5, $starcolor);
$radius = $radius-1;
$r = $r+8;
$g = $g+4;
$b = $b-2;
$d = $d+2;
# $xoffset = $xoffset+1;
if ( $r>255)
{ $r=0; 
$b = $b+3;
}
if ( $g>255)
{ $g=0; 
$b = $b+3;
}
if ( $b<0)
{ $b=125; }
}
imagejpeg($image);
imagedestroy($image);
?>