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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
59 lines
2 KiB
XML
59 lines
2 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/swf.xml, last change in rev 1.8 -->
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<refentry id="function.swf-perspective">
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<refnamediv>
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<refname>swf_perspective</refname>
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<refpurpose>
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Define a perspective projection transformation
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</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>swf_perspective</methodname>
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<methodparam><type>float</type><parameter>fovy</parameter></methodparam>
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<methodparam><type>float</type><parameter>aspect</parameter></methodparam>
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<methodparam><type>float</type><parameter>near</parameter></methodparam>
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<methodparam><type>float</type><parameter>far</parameter></methodparam>
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</methodsynopsis>
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<para>
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The <function>swf_perspective</function> function defines a
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perspective projection transformation. The
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<parameter>fovy</parameter> parameter is field-of-view angle in
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the y direction. The <parameter>aspect</parameter> parameter
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should be set to the aspect ratio of the viewport that is being
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drawn onto. The <parameter>near</parameter> parameter is the
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near clipping plane and the <parameter>far</parameter> parameter
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is the far clipping plane.
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</para>
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<note>
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<para>
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Various distortion artifacts may appear when performing a
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perspective projection, this is because Flash players only have
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a two dimensional matrix. Some are not to pretty.
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</para>
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</note>
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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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