mirror of
https://github.com/sigmasternchen/php-doc-en
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96c9d88bad
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@297028 c90b9560-bf6c-de11-be94-00142212c4b1
169 lines
4.1 KiB
XML
169 lines
4.1 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.swf-lookat" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>swf_lookat</refname>
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<refpurpose>Define a viewing transformation</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>void</type><methodname>swf_lookat</methodname>
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<methodparam><type>float</type><parameter>view_x</parameter></methodparam>
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<methodparam><type>float</type><parameter>view_y</parameter></methodparam>
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<methodparam><type>float</type><parameter>view_z</parameter></methodparam>
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<methodparam><type>float</type><parameter>reference_x</parameter></methodparam>
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<methodparam><type>float</type><parameter>reference_y</parameter></methodparam>
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<methodparam><type>float</type><parameter>reference_z</parameter></methodparam>
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<methodparam><type>float</type><parameter>twist</parameter></methodparam>
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</methodsynopsis>
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<para>
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Defines a viewing transformation by giving the viewing position and the
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coordinates of a reference point in the scene.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>view_x</parameter></term>
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<listitem>
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<para>
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x-coordinate for the viewing position
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>view_y</parameter></term>
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<listitem>
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<para>
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y-coordinate for the viewing position
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>view_z</parameter></term>
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<listitem>
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<para>
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z-coordinate for the viewing position
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>reference_x</parameter></term>
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<listitem>
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<para>
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x-coordinate for the reference point
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>reference_y</parameter></term>
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<listitem>
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<para>
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y-coordinate for the reference point
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>reference_z</parameter></term>
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<listitem>
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<para>
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z-coordinate for the reference point
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>twist</parameter></term>
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<listitem>
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<para>
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Controls the rotation along with viewer's z axis.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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&return.void;
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>A simple 3D-rotation around a text</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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header('Content-type: application/x-shockwave-flash');
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swf_openfile("php://stdout", 320, 200, 25, 1, 1, 1);
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swf_ortho(-100, 100, -100, 100, -100, 100); // create 3D coordinates
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swf_definefont(0, "Pix3");
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swf_addcolor(0, 0, 0, 1);
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swf_fontsize(10);
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swf_fonttracking(0.2);
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for ($i = 0; $i < 628; $i += 8) {
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$j = $i / 100;
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swf_pushmatrix();
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swf_translate(0, 0, 0);
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swf_perspective(100, 1, 0, 10);
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swf_lookat(sin($j) * 60, 50, cos($j) * 60, 0, 0, 0, 0);
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swf_definetext (1, 'HotKey@', 0);
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swf_translate(-50,0,0);
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swf_placeobject(1,10);
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swf_definetext(2, 'example.com', 0);
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swf_translate(55, 0, 0);
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swf_placeobject(2, 11);
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swf_showframe();
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swf_removeobject(10);
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swf_removeobject(11);
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swf_popmatrix();
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}
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swf_closefile();
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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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</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:"~/.phpdoc/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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