function.swfdisplayitem.rotateto.html

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

 <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">
   This example bring three rotating string from the background to the
   foreground. Pretty nice.
   <div class="example">
    <p><b>Example #1 <b>swfdisplayitem->rotateto()</b> example</b></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$thetext&nbsp;</span><span style="color: #007700">=&nbsp;&nbsp;</span><span style="color: #DD0000">"ming!"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$f&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">SWFFont</span><span style="color: #007700">(</span><span style="color: #DD0000">"Bauhaus&nbsp;93.fdb"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$m&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">SWFMovie</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setRate</span><span style="color: #007700">(</span><span style="color: #0000BB">24.0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setDimension</span><span style="color: #007700">(</span><span style="color: #0000BB">2400</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1600</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setBackground</span><span style="color: #007700">(</span><span style="color: #0000BB">0xff</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0xff</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0xff</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;functions&nbsp;with&nbsp;huge&nbsp;numbers&nbsp;of&nbsp;arbitrary<br />//&nbsp;arguments&nbsp;are&nbsp;always&nbsp;a&nbsp;good&nbsp;idea!&nbsp;&nbsp;Really!<br /><br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">text</span><span style="color: #007700">(</span><span style="color: #0000BB">$r</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$g</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$b</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$a</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$rot</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$x</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$y</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$scale</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$string</span><span style="color: #007700">)&nbsp;<br />{<br />&nbsp;&nbsp;global&nbsp;</span><span style="color: #0000BB">$f</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$m</span><span style="color: #007700">;<br /><br />&nbsp;&nbsp;</span><span style="color: #0000BB">$t&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">SWFText</span><span style="color: #007700">();<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$t</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setFont</span><span style="color: #007700">(</span><span style="color: #0000BB">$f</span><span style="color: #007700">);<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$t</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setColor</span><span style="color: #007700">(</span><span style="color: #0000BB">$r</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$g</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$b</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$a</span><span style="color: #007700">);<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$t</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setHeight</span><span style="color: #007700">(</span><span style="color: #0000BB">960</span><span style="color: #007700">);<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$t</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">moveTo</span><span style="color: #007700">(-(</span><span style="color: #0000BB">$f</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getWidth</span><span style="color: #007700">(</span><span style="color: #0000BB">$string</span><span style="color: #007700">))/</span><span style="color: #0000BB">2</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$f</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getAscent</span><span style="color: #007700">()/</span><span style="color: #0000BB">2</span><span style="color: #007700">);<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$t</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">addString</span><span style="color: #007700">(</span><span style="color: #0000BB">$string</span><span style="color: #007700">);<br /><br />&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;we&nbsp;can&nbsp;add&nbsp;properties&nbsp;just&nbsp;like&nbsp;a&nbsp;normal&nbsp;PHP&nbsp;var,<br />&nbsp;&nbsp;//&nbsp;as&nbsp;long&nbsp;as&nbsp;the&nbsp;names&nbsp;aren't&nbsp;already&nbsp;used.<br />&nbsp;&nbsp;//&nbsp;e.g.,&nbsp;we&nbsp;can't&nbsp;set&nbsp;$i-&gt;scale,&nbsp;because&nbsp;that's&nbsp;a&nbsp;function<br /><br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #0000BB">$t</span><span style="color: #007700">);<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">x&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$x</span><span style="color: #007700">;<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">y&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$y</span><span style="color: #007700">;<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">rot&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$rot</span><span style="color: #007700">;<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">s&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$scale</span><span style="color: #007700">;<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">rotateTo</span><span style="color: #007700">(</span><span style="color: #0000BB">$rot</span><span style="color: #007700">);<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">scale</span><span style="color: #007700">(</span><span style="color: #0000BB">$scale</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$scale</span><span style="color: #007700">);<br /><br />&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;but&nbsp;the&nbsp;changes&nbsp;are&nbsp;local&nbsp;to&nbsp;the&nbsp;function,&nbsp;so&nbsp;we&nbsp;have&nbsp;to<br />&nbsp;&nbsp;//&nbsp;return&nbsp;the&nbsp;changed&nbsp;object.&nbsp;&nbsp;kinda&nbsp;weird..<br /><br />&nbsp;&nbsp;</span><span style="color: #007700">return&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">;<br />}<br /><br />function&nbsp;</span><span style="color: #0000BB">step</span><span style="color: #007700">(</span><span style="color: #0000BB">$i</span><span style="color: #007700">)&nbsp;<br />{<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$oldrot&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">rot</span><span style="color: #007700">;<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">rot&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">19</span><span style="color: #007700">*</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">rot</span><span style="color: #007700">/</span><span style="color: #0000BB">20</span><span style="color: #007700">;<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">x&nbsp;</span><span style="color: #007700">=&nbsp;(</span><span style="color: #0000BB">19</span><span style="color: #007700">*</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">x&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">1200</span><span style="color: #007700">)/</span><span style="color: #0000BB">20</span><span style="color: #007700">;<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">y&nbsp;</span><span style="color: #007700">=&nbsp;(</span><span style="color: #0000BB">19</span><span style="color: #007700">*</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">y&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">800</span><span style="color: #007700">)/</span><span style="color: #0000BB">20</span><span style="color: #007700">;<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">s&nbsp;</span><span style="color: #007700">=&nbsp;(</span><span style="color: #0000BB">19</span><span style="color: #007700">*</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">s&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">1.0</span><span style="color: #007700">)/</span><span style="color: #0000BB">20</span><span style="color: #007700">;<br /><br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">rotateTo</span><span style="color: #007700">(</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">rot</span><span style="color: #007700">);<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">scaleTo</span><span style="color: #007700">(</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">s</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">s</span><span style="color: #007700">);<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">moveTo</span><span style="color: #007700">(</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">x</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">y</span><span style="color: #007700">);<br /><br />&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;see?&nbsp;&nbsp;it&nbsp;sure&nbsp;paid&nbsp;off&nbsp;in&nbsp;legibility:<br /><br /></span><span style="color: #0000BB">$i1&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">text</span><span style="color: #007700">(</span><span style="color: #0000BB">0xff</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0x33</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0x33</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0xff</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">900</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1200</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">800</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0.03</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$thetext</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i2&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">text</span><span style="color: #007700">(</span><span style="color: #0000BB">0x00</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0x33</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0xff</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0x7f</span><span style="color: #007700">,&nbsp;-</span><span style="color: #0000BB">560</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1200</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">800</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0.04</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$thetext</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i3&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">text</span><span style="color: #007700">(</span><span style="color: #0000BB">0xff</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0xff</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0xff</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0x9f</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">180</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1200</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">800</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0.001</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$thetext</span><span style="color: #007700">);<br /><br />for&nbsp;(</span><span style="color: #0000BB">$i</span><span style="color: #007700">=</span><span style="color: #0000BB">1</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">&lt;=</span><span style="color: #0000BB">100</span><span style="color: #007700">;&nbsp;++</span><span style="color: #0000BB">$i</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i1&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">step</span><span style="color: #007700">(</span><span style="color: #0000BB">$i1</span><span style="color: #007700">);<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i2&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">step</span><span style="color: #007700">(</span><span style="color: #0000BB">$i2</span><span style="color: #007700">);<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$i3&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">step</span><span style="color: #007700">(</span><span style="color: #0000BB">$i3</span><span style="color: #007700">);<br /><br />&nbsp;&nbsp;</span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">nextFrame</span><span style="color: #007700">();<br />}<br /><br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">'Content-type:&nbsp;application/x-shockwave-flash'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">output</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso">
  <h3 class="title">See Also</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><a href="function.swfdisplayitem.rotate.html" class="xref">SWFDisplayItem->rotate</a></li>
   </ul>
  </p>
 </div>


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