function.swf-lookat.html
来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 179 行
HTML
179 行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Define a viewing transformation</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.swf-labelframe.html">swf_labelframe</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.swf-modifyobject.html">swf_modifyobject</a></div> <div class="up"><a href="ref.swf.html">SWF Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.swf-lookat" class="refentry"> <div class="refnamediv"> <h1 class="refname">swf_lookat</h1> <p class="verinfo">(PHP 4)</p><p class="refpurpose"><span class="refname">swf_lookat</span> — <span class="dc-title">Define a viewing transformation</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><span class="type void">void</span></span> <span class="methodname"><b><b>swf_lookat</b></b></span> ( <span class="methodparam"><span class="type">float</span> <tt class="parameter">$view_x</tt></span> , <span class="methodparam"><span class="type">float</span> <tt class="parameter">$view_y</tt></span> , <span class="methodparam"><span class="type">float</span> <tt class="parameter">$view_z</tt></span> , <span class="methodparam"><span class="type">float</span> <tt class="parameter">$reference_x</tt></span> , <span class="methodparam"><span class="type">float</span> <tt class="parameter">$reference_y</tt></span> , <span class="methodparam"><span class="type">float</span> <tt class="parameter">$reference_z</tt></span> , <span class="methodparam"><span class="type">float</span> <tt class="parameter">$twist</tt></span> )</div> <p class="para rdfs-comment"> Defines a viewing transformation by giving the viewing position and the coordinates of a reference point in the scene. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">view_x</tt></i></span> <dd> <p class="para"> x-coordinate for the viewing position </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">view_y</tt></i></span> <dd> <p class="para"> y-coordinate for the viewing position </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">view_z</tt></i></span> <dd> <p class="para"> z-coordinate for the viewing position </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">reference_x</tt></i></span> <dd> <p class="para"> x-coordinate for the reference point </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">reference_y</tt></i></span> <dd> <p class="para"> y-coordinate for the reference point </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">reference_z</tt></i></span> <dd> <p class="para"> z-coordinate for the reference point </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">twist</tt></i></span> <dd> <p class="para"> Controls the rotation along with viewer's z axis. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> No value is returned. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A simple 3D-rotation around a text</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />header</span><span style="color: #007700">(</span><span style="color: #DD0000">'Content-type: application/x-shockwave-flash'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">swf_openfile</span><span style="color: #007700">(</span><span style="color: #DD0000">"php://stdout"</span><span style="color: #007700">, </span><span style="color: #0000BB">320</span><span style="color: #007700">, </span><span style="color: #0000BB">200</span><span style="color: #007700">, </span><span style="color: #0000BB">25</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">swf_ortho</span><span style="color: #007700">(-</span><span style="color: #0000BB">100</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">, -</span><span style="color: #0000BB">100</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">, -</span><span style="color: #0000BB">100</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">); </span><span style="color: #FF8000">// create 3D coordinates<br /><br /></span><span style="color: #0000BB">swf_definefont</span><span style="color: #007700">(</span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #DD0000">"Pix3"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">swf_addcolor</span><span style="color: #007700">(</span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">swf_fontsize</span><span style="color: #007700">(</span><span style="color: #0000BB">10</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">swf_fonttracking</span><span style="color: #007700">(</span><span style="color: #0000BB">0.2</span><span style="color: #007700">);<br /><br />for (</span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">0</span><span style="color: #007700">; </span><span style="color: #0000BB">$i </span><span style="color: #007700">< </span><span style="color: #0000BB">628</span><span style="color: #007700">; </span><span style="color: #0000BB">$i </span><span style="color: #007700">+= </span><span style="color: #0000BB">8</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$j </span><span style="color: #007700">= </span><span style="color: #0000BB">$i </span><span style="color: #007700">/ </span><span style="color: #0000BB">100</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">swf_pushmatrix</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">swf_translate</span><span style="color: #007700">(</span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">swf_perspective</span><span style="color: #007700">(</span><span style="color: #0000BB">100</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">10</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">swf_lookat</span><span style="color: #007700">(</span><span style="color: #0000BB">sin</span><span style="color: #007700">(</span><span style="color: #0000BB">$j</span><span style="color: #007700">) * </span><span style="color: #0000BB">60</span><span style="color: #007700">, </span><span style="color: #0000BB">50</span><span style="color: #007700">, </span><span style="color: #0000BB">cos</span><span style="color: #007700">(</span><span style="color: #0000BB">$j</span><span style="color: #007700">) * </span><span style="color: #0000BB">60</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">swf_definetext </span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #DD0000">'HotKey@'</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">swf_translate</span><span style="color: #007700">(-</span><span style="color: #0000BB">50</span><span style="color: #007700">,</span><span style="color: #0000BB">0</span><span style="color: #007700">,</span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">swf_placeobject</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">,</span><span style="color: #0000BB">10</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">swf_definetext</span><span style="color: #007700">(</span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #DD0000">'example.com'</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">swf_translate</span><span style="color: #007700">(</span><span style="color: #0000BB">55</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">swf_placeobject</span><span style="color: #007700">(</span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #0000BB">11</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">swf_showframe</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">swf_removeobject</span><span style="color: #007700">(</span><span style="color: #0000BB">10</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">swf_removeobject</span><span style="color: #007700">(</span><span style="color: #0000BB">11</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">swf_popmatrix</span><span style="color: #007700">();<br />}<br /><br /></span><span style="color: #0000BB">swf_closefile</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.swf-labelframe.html">swf_labelframe</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.swf-modifyobject.html">swf_modifyobject</a></div> <div class="up"><a href="ref.swf.html">SWF Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?