mirror of
https://github.com/sigmasternchen/php-doc-en
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5b9fc29465
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@78496 c90b9560-bf6c-de11-be94-00142212c4b1
138 lines
3.6 KiB
XML
138 lines
3.6 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.2 $ -->
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<!-- splitted from ./en/functions/ming.xml, last change in rev 1.24 -->
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<refentry id="function.swfdisplayitem.rotateto">
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<refnamediv>
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<refname>SWFDisplayItem->rotateTo</refname>
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<refpurpose>Rotates the object in global coordinates.</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>void</type><methodname>swfdisplayitem->rotateto</methodname>
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<methodparam><type>float</type><parameter>degrees</parameter></methodparam>
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</methodsynopsis>
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&warn.experimental.func;
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<para>
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<function>swfdisplayitem->rotateto</function> set the current object
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rotation to <parameter>degrees</parameter> degrees in global coordinates.
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</para>
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<simpara>
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The object may be a <function>swfshape</function>, a
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<function>swfbutton</function>, a <function>swftext</function> or a
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<function>swfsprite</function> object. It must have been added using
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the <function>swfmovie->add</function>.
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</simpara>
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<para>
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This example bring three rotating string from the background to the
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foreground. Pretty nice.
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<example>
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<title><function>swfdisplayitem->rotateto</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$thetext = "ming!";
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$f = new SWFFont("Bauhaus 93.fdb");
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$m = new SWFMovie();
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$m->setRate(24.0);
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$m->setDimension(2400, 1600);
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$m->setBackground(0xff, 0xff, 0xff);
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// functions with huge numbers of arbitrary
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// arguments are always a good idea! Really!
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function text($r, $g, $b, $a, $rot, $x, $y, $scale, $string)
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{
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global $f, $m;
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$t = new SWFText();
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$t->setFont($f);
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$t->setColor($r, $g, $b, $a);
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$t->setHeight(960);
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$t->moveTo(-($f->getWidth($string))/2, $f->getAscent()/2);
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$t->addString($string);
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// we can add properties just like a normal php var,
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// as long as the names aren't already used.
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// e.g., we can't set $i->scale, because that's a function
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$i = $m->add($t);
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$i->x = $x;
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$i->y = $y;
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$i->rot = $rot;
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$i->s = $scale;
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$i->rotateTo($rot);
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$i->scale($scale, $scale);
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// but the changes are local to the function, so we have to
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// return the changed object. kinda weird..
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return $i;
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}
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function step($i)
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{
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$oldrot = $i->rot;
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$i->rot = 19*$i->rot/20;
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$i->x = (19*$i->x + 1200)/20;
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$i->y = (19*$i->y + 800)/20;
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$i->s = (19*$i->s + 1.0)/20;
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$i->rotateTo($i->rot);
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$i->scaleTo($i->s, $i->s);
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$i->moveTo($i->x, $i->y);
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return $i;
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}
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// see? it sure paid off in legibility:
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$i1 = text(0xff, 0x33, 0x33, 0xff, 900, 1200, 800, 0.03, $thetext);
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$i2 = text(0x00, 0x33, 0xff, 0x7f, -560, 1200, 800, 0.04, $thetext);
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$i3 = text(0xff, 0xff, 0xff, 0x9f, 180, 1200, 800, 0.001, $thetext);
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for($i=1; $i<=100; ++$i)
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{
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$i1 = step($i1);
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$i2 = step($i2);
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$i3 = step($i3);
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$m->nextFrame();
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}
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header('Content-type: application/x-shockwave-flash');
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$m->output();
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?>
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]]>
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</programlisting>
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</example>
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</para>
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<simpara>
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See also
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<function>swfdisplayitem->rotate</function>.
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</simpara>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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