PHP compositing or creating GIF animations

1. First, you need to confirm the GD library is normal. 2. If you are composing a picture, be sure to place the exploded image in the frames folder. 3. GIFEncoder.class.php class Include "GIFEncoder.class.php"; Ob_start (); $board _width = 60; $board _height = 60; $pad _width = 5; $pad _height = 15; $ball _size = 5; $game _width = $board _width-$pad _width*2-$ball _size; $game _height = $board _height-$ball _size; $x = 0; $y = rand (0, $game _height); $XV = rand (1,10); $YV = rand (1,10); $pt [] = Array ($x, $y); do{ $x + = $XV; $y + = $yv; if ($x > $game _width) { $XV = -1* $XV; $x = $game _width-($x-$game _width); }elseif ($x < 0) { $XV = -1* $XV; $x = ABS ($x); } if ($y > $game _height) { $yv = -1* $yv; $y = $game _height-($y-$game _height); }elseif ($y <0) { $yv = -1* $yv; $y = ABS ($y); } $pt [] = Array ($x, $y); }while ($x! = $pt [0][0]| | $y! = $pt [0][1]); $i = 0; while (Isset ($pt [$i])) { $image = Imagecreate ($board _width, $board _height); Imagecolorallocate ($image, 0,0,0); $color = Imagecolorallocate ($image, 255,255,255); $color 2 = imagecolorallocate ($image, 255,0,0); if ($pt [$i][1] + $pad _height < $board _width) { Imagefilledrectangle ($image, 0, $pt [$i][1], $pad _width, $pt [$i][1]+ $pad _height, $color); }else{ Imagefilledrectangle ($image, 0, $board _width-$pad _height, $pad _width, $board _width, $color); } Imagefilledrectangle ($image, $board _width-$pad _width,0, $board _width, $board _height, $color 2); Imagefilledrectangle ($image, $pad _width+ $pt [$i][0], $ball _size+ $pt [$i][1]-$ball _size, $pad _width+ $pt [$i][0]+ $ball _size, $ball _size+ $pt [$i][1], $color); Imagesetpixel ($image, $pt [$i][0], $pt [$i][1], $color); Imagegif ($image); Imagedestroy ($image); $imagedata [] = Ob_get_contents (); Ob_clean (); + + $i; } $gif = new Gifencoder ( $imagedata, 100, 0, 2, 0, 0, 1, "Bin" ); Header (' content-type:image/gif '); echo $gif->getanimation (); ?> Copy Code

