すでに
3Dキャプチャに関するトピックを書いたように
そして昨日、私はそれを少しやり直し、フリルともう1つの測定値を追加することにしました。
長いおとぎ話が書かれていますが、すぐにそれが完了し、私はそれをして、カプチュ4D
ハイパーキューブを破壊しました。
いくつかの例：
コードも添付されています。
<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }<pre> <?php /** * @author Andrii Kasian */ $captcha = new Captcha4d ( ) ; $captcha -> render ( ) ; class Captcha4d { const CHARS = 'WEafRTYIPAGHJKXBNM3479j' ; protected $hypot = 5 ; protected $image = null ; protected $_sin = array ( ) ; protected $text = '' ; public function __construct ( ) { $this -> time = microtime ( true ) ; $this -> generateCode ( ) ; } protected function generateCode ( ) { $chars = self :: CHARS ; for ( $i = 0 ; $i < 3 ; $i ++ ) { $this -> text .= $chars { mt_rand ( 0 , 22 ) } ; } } public function getText ( ) { return $this -> text ; } protected function getProection ( $x , $y , $z ) { $xx = 0.70710 ; $xz = 0 ; $xy = 0.70710 ; $yx = 0.40824 ; $yz = 0.81649 ; $yy = - 0.40824 ; $cx = $xx * $x + $xy * $y + $xz * $z - 5 ; $cy = $yx * $x + $yy * $y + $yz * $z + 20 ; return array ( 'x' => $cx * $this -> hypot , 'y' => $cy * $this -> hypot ) ; } function zFunction ( $x , $y ) { $z = imagecolorat ( $this -> image , $y / 2 , $x / 2 ) > 0 ? 3 : 0 ; if ( $z != 0 ) { $z += - 2 + 2 * $this -> _sin [ ( $x + $this -> startX ) % 30 ] * $this -> _sin [ ( $y + $this -> startY ) % 30 ] ; } $z += mt_rand ( 0 , 30 ) / 50 ; return $z ; } public function render ( ) { $xx = 30 ; $yy = 60 ; $animation = new Imagick ( ) ; $animation -> setFormat ( "gif" ) ; $cw = new ImagickPixel ( "white" ) ; $cb = new ImagickPixel ( "#000000" ) ; $this -> image = imageCreateTrueColor ( 100 , 20 ) ; $whiteColor = imageColorAllocate ( $this -> image , 255 , 255 , 255 ) ; imageFilledRectangle ( $this -> image , 0 , 0 , $yy * $this -> hypot , $xx * $this -> hypot , $whiteColor ) ; $textColor = imageColorAllocate ( $this -> image , 0 , 0 , 0 ) ; imageString ( $this -> image , 5 , 3 , 0 , $this -> text , $textColor ) ; $cof = 2 * 3.141592654 / $xx ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { $this -> _sin [ $x ] = sin ( $x * $cof ) ; } $this -> startX = mt_rand ( 0 , $xx ) ; $this -> startY = mt_rand ( 0 , $yy ) ; $draw = new ImagickDraw ( ) ; $countFrame = 25 ; for ( $i = 0 ; $i < $countFrame ; $i ++ ) { $this -> startX += $xx / $countFrame ; $coordinates = array ( ) ; for ( $x = 0 ; $x < $xx + 1 ; $x ++ ) { for ( $y = 0 ; $y < $yy + 1 ; $y ++ ) { $coordinates [ $x ] [ $y ] = $this -> getProection ( $x , $y , $this -> zFunction ( $x , $y ) ) ; } } $animation -> newImage ( $yy * $this -> hypot , $xx * $this -> hypot , $cw ) ; $im = new ImagickDraw ( ) ; $im -> setFillColor ( $cw ) ; $im -> setStrokeColor ( $cb ) ; $im -> setStrokeAntialias ( true ) ; for ( $x = 0 ; $x < $xx ; $x ++ ) { for ( $y = 0 ; $y < $yy ; $y ++ ) { $coord = array ( ) ; $coord [ ] = $coordinates [ $x ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y ] ; $coord [ ] = $coordinates [ $x + 1 ] [ $y + 1 ] ; $coord [ ] = $coordinates [ $x ] [ $y + 1 ] ; $im -> polygon ( $coord ) ; } } $animation -> drawImage ( $im ) ; $animation -> setImageDelay ( 100 / $countFrame ) ; } header ( "Content-Type: image/gif" ) ; echo $animation -> getImagesBlob ( ) ; die ( ) ; } }
素敵な月曜日、Habraの仲間がいます！
PS。 このキャプチャは、キャプチャとして使用することを意図していません（ユーザーの脳を破壊し、トラフィックでチャネルを詰まらせます）