31 lines
720 B
PHP
31 lines
720 B
PHP
<?php
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header("Content-type: image/png");
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$width = 512;
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$height = 512;
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$img = imagecreatetruecolor($width,$height);
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$bg = imagecolorallocate($img,255,255,255);
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imagefilledrectangle($img, 0, 0, $width, $width, $bg);
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$depth = 8;
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function drawTree($x1, $y1, $angle, $depth){
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global $img;
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if ($depth != 0){
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$x2 = $x1 + (int)(cos(deg2rad($angle)) * $depth * 10.0);
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$y2 = $y1 + (int)(sin(deg2rad($angle)) * $depth * 10.0);
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imageline($img, $x1, $y1, $x2, $y2, imagecolorallocate($img,0,0,0));
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drawTree($x2, $y2, $angle - 20, $depth - 1);
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drawTree($x2, $y2, $angle + 20, $depth - 1);
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}
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}
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drawTree($width/2, $height, -90, $depth);
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imagepng($img);
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imagedestroy($img);
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?>
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