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<title>Rotates the object in global coordinates</title>
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<h1 class="refname">SWFDisplayItem::rotateTo</h1>
<p class="verinfo">(PHP 4 >= 4.0.5)</p><p class="refpurpose"><span class="refname">SWFDisplayItem::rotateTo</span> — <span class="dc-title">Rotates the object in global coordinates</span></p>
</div>
<div class="refsect1 description" id="refsect1-swfdisplayitem.rotateto-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>SWFDisplayItem::rotateTo</strong></span>
( <span class="methodparam"><span class="type">float</span> <code class="parameter">$angle</code></span>
)</div>
<div class="warning"><strong class="warning">Warning</strong><p class="simpara">This function is
<em class="emphasis">EXPERIMENTAL</em>. The behaviour of this function, its name, and
surrounding documentation may change without notice in a future release of PHP.
This function should be used at your own risk.
</p></div>
<p class="para">
<span class="function"><strong>swfdisplayitem::rotateto()</strong></span> set the current object
rotation to <em><code class="parameter">angle</code></em> degrees in global coordinates.
</p>
<p class="simpara">
The object may be a <span class="function"><strong>swfshape()</strong></span>, a
<span class="function"><strong>swfbutton()</strong></span>, a <span class="function"><strong>swftext()</strong></span> or a
<span class="function"><strong>swfsprite()</strong></span> object. It must have been added using
the <span class="function"><a href="swfmovie.add.html" class="function">swfmovie::add()</a></span>.
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-swfdisplayitem.rotateto-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<div class="refsect1 examples" id="refsect1-swfdisplayitem.rotateto-examples">
<h3 class="title">Examples</h3>
<p class="para">
This example bring three rotating string from the background to the
foreground. Pretty nice.
<div class="example" id="example-3546">
<p><strong>Example #1 <span class="function"><strong>swfdisplayitem::rotateto()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$thetext </span><span style="color: #007700">= </span><span style="color: #DD0000">"ming!"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$f </span><span style="color: #007700">= new </span><span style="color: #0000BB">SWFFont</span><span style="color: #007700">(</span><span style="color: #DD0000">"Bauhaus 93.fdb"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$m </span><span style="color: #007700">= new </span><span style="color: #0000BB">SWFMovie</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-></span><span style="color: #0000BB">setRate</span><span style="color: #007700">(</span><span style="color: #0000BB">24.0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-></span><span style="color: #0000BB">setDimension</span><span style="color: #007700">(</span><span style="color: #0000BB">2400</span><span style="color: #007700">, </span><span style="color: #0000BB">1600</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-></span><span style="color: #0000BB">setBackground</span><span style="color: #007700">(</span><span style="color: #0000BB">0xff</span><span style="color: #007700">, </span><span style="color: #0000BB">0xff</span><span style="color: #007700">, </span><span style="color: #0000BB">0xff</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// functions with huge numbers of arbitrary<br />// arguments are always a good idea! Really!<br /><br /></span><span style="color: #007700">function </span><span style="color: #0000BB">text</span><span style="color: #007700">(</span><span style="color: #0000BB">$r</span><span style="color: #007700">, </span><span style="color: #0000BB">$g</span><span style="color: #007700">, </span><span style="color: #0000BB">$b</span><span style="color: #007700">, </span><span style="color: #0000BB">$a</span><span style="color: #007700">, </span><span style="color: #0000BB">$rot</span><span style="color: #007700">, </span><span style="color: #0000BB">$x</span><span style="color: #007700">, </span><span style="color: #0000BB">$y</span><span style="color: #007700">, </span><span style="color: #0000BB">$scale</span><span style="color: #007700">, </span><span style="color: #0000BB">$string</span><span style="color: #007700">) <br />{<br /> global </span><span style="color: #0000BB">$f</span><span style="color: #007700">, </span><span style="color: #0000BB">$m</span><span style="color: #007700">;<br /><br /> </span><span style="color: #0000BB">$t </span><span style="color: #007700">= new </span><span style="color: #0000BB">SWFText</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">$t</span><span style="color: #007700">-></span><span style="color: #0000BB">setFont</span><span style="color: #007700">(</span><span style="color: #0000BB">$f</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$t</span><span style="color: #007700">-></span><span style="color: #0000BB">setColor</span><span style="color: #007700">(</span><span style="color: #0000BB">$r</span><span style="color: #007700">, </span><span style="color: #0000BB">$g</span><span style="color: #007700">, </span><span style="color: #0000BB">$b</span><span style="color: #007700">, </span><span style="color: #0000BB">$a</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$t</span><span style="color: #007700">-></span><span style="color: #0000BB">setHeight</span><span style="color: #007700">(</span><span style="color: #0000BB">960</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$t</span><span style="color: #007700">-></span><span style="color: #0000BB">moveTo</span><span style="color: #007700">(-(</span><span style="color: #0000BB">$f</span><span style="color: #007700">-></span><span style="color: #0000BB">getWidth</span><span style="color: #007700">(</span><span style="color: #0000BB">$string</span><span style="color: #007700">))/</span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #0000BB">$f</span><span style="color: #007700">-></span><span style="color: #0000BB">getAscent</span><span style="color: #007700">()/</span><span style="color: #0000BB">2</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$t</span><span style="color: #007700">-></span><span style="color: #0000BB">addString</span><span style="color: #007700">(</span><span style="color: #0000BB">$string</span><span style="color: #007700">);<br /><br /> </span><span style="color: #FF8000">// we can add properties just like a normal PHP var,<br /> // as long as the names aren't already used.<br /> // e.g., we can't set $i->scale, because that's a function<br /><br /> </span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">$m</span><span style="color: #007700">-></span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #0000BB">$t</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">x </span><span style="color: #007700">= </span><span style="color: #0000BB">$x</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">y </span><span style="color: #007700">= </span><span style="color: #0000BB">$y</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">rot </span><span style="color: #007700">= </span><span style="color: #0000BB">$rot</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">s </span><span style="color: #007700">= </span><span style="color: #0000BB">$scale</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">rotateTo</span><span style="color: #007700">(</span><span style="color: #0000BB">$rot</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">scale</span><span style="color: #007700">(</span><span style="color: #0000BB">$scale</span><span style="color: #007700">, </span><span style="color: #0000BB">$scale</span><span style="color: #007700">);<br /><br /> </span><span style="color: #FF8000">// but the changes are local to the function, so we have to<br /> // return the changed object. kinda weird..<br /><br /> </span><span style="color: #007700">return </span><span style="color: #0000BB">$i</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">step</span><span style="color: #007700">(</span><span style="color: #0000BB">$i</span><span style="color: #007700">) <br />{<br /> </span><span style="color: #0000BB">$oldrot </span><span style="color: #007700">= </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">rot</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">rot </span><span style="color: #007700">= </span><span style="color: #0000BB">19</span><span style="color: #007700">*</span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">rot</span><span style="color: #007700">/</span><span style="color: #0000BB">20</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">x </span><span style="color: #007700">= (</span><span style="color: #0000BB">19</span><span style="color: #007700">*</span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">x </span><span style="color: #007700">+ </span><span style="color: #0000BB">1200</span><span style="color: #007700">)/</span><span style="color: #0000BB">20</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">y </span><span style="color: #007700">= (</span><span style="color: #0000BB">19</span><span style="color: #007700">*</span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">y </span><span style="color: #007700">+ </span><span style="color: #0000BB">800</span><span style="color: #007700">)/</span><span style="color: #0000BB">20</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">s </span><span style="color: #007700">= (</span><span style="color: #0000BB">19</span><span style="color: #007700">*</span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">s </span><span style="color: #007700">+ </span><span style="color: #0000BB">1.0</span><span style="color: #007700">)/</span><span style="color: #0000BB">20</span><span style="color: #007700">;<br /><br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">rotateTo</span><span style="color: #007700">(</span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">rot</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">scaleTo</span><span style="color: #007700">(</span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">s</span><span style="color: #007700">, </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">s</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">moveTo</span><span style="color: #007700">(</span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">x</span><span style="color: #007700">, </span><span style="color: #0000BB">$i</span><span style="color: #007700">-></span><span style="color: #0000BB">y</span><span style="color: #007700">);<br /><br /> return </span><span style="color: #0000BB">$i</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// see? it sure paid off in legibility:<br /><br /></span><span style="color: #0000BB">$i1 </span><span style="color: #007700">= </span><span style="color: #0000BB">text</span><span style="color: #007700">(</span><span style="color: #0000BB">0xff</span><span style="color: #007700">, </span><span style="color: #0000BB">0x33</span><span style="color: #007700">, </span><span style="color: #0000BB">0x33</span><span style="color: #007700">, </span><span style="color: #0000BB">0xff</span><span style="color: #007700">, </span><span style="color: #0000BB">900</span><span style="color: #007700">, </span><span style="color: #0000BB">1200</span><span style="color: #007700">, </span><span style="color: #0000BB">800</span><span style="color: #007700">, </span><span style="color: #0000BB">0.03</span><span style="color: #007700">, </span><span style="color: #0000BB">$thetext</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i2 </span><span style="color: #007700">= </span><span style="color: #0000BB">text</span><span style="color: #007700">(</span><span style="color: #0000BB">0x00</span><span style="color: #007700">, </span><span style="color: #0000BB">0x33</span><span style="color: #007700">, </span><span style="color: #0000BB">0xff</span><span style="color: #007700">, </span><span style="color: #0000BB">0x7f</span><span style="color: #007700">, -</span><span style="color: #0000BB">560</span><span style="color: #007700">, </span><span style="color: #0000BB">1200</span><span style="color: #007700">, </span><span style="color: #0000BB">800</span><span style="color: #007700">, </span><span style="color: #0000BB">0.04</span><span style="color: #007700">, </span><span style="color: #0000BB">$thetext</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i3 </span><span style="color: #007700">= </span><span style="color: #0000BB">text</span><span style="color: #007700">(</span><span style="color: #0000BB">0xff</span><span style="color: #007700">, </span><span style="color: #0000BB">0xff</span><span style="color: #007700">, </span><span style="color: #0000BB">0xff</span><span style="color: #007700">, </span><span style="color: #0000BB">0x9f</span><span style="color: #007700">, </span><span style="color: #0000BB">180</span><span style="color: #007700">, </span><span style="color: #0000BB">1200</span><span style="color: #007700">, </span><span style="color: #0000BB">800</span><span style="color: #007700">, </span><span style="color: #0000BB">0.001</span><span style="color: #007700">, </span><span style="color: #0000BB">$thetext</span><span style="color: #007700">);<br /><br />for (</span><span style="color: #0000BB">$i</span><span style="color: #007700">=</span><span style="color: #0000BB">1</span><span style="color: #007700">; </span><span style="color: #0000BB">$i</span><span style="color: #007700"><=</span><span style="color: #0000BB">100</span><span style="color: #007700">; ++</span><span style="color: #0000BB">$i</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$i1 </span><span style="color: #007700">= </span><span style="color: #0000BB">step</span><span style="color: #007700">(</span><span style="color: #0000BB">$i1</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$i2 </span><span style="color: #007700">= </span><span style="color: #0000BB">step</span><span style="color: #007700">(</span><span style="color: #0000BB">$i2</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$i3 </span><span style="color: #007700">= </span><span style="color: #0000BB">step</span><span style="color: #007700">(</span><span style="color: #0000BB">$i3</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">$m</span><span style="color: #007700">-></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: application/x-shockwave-flash'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-></span><span style="color: #0000BB">output</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-swfdisplayitem.rotateto-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="swfdisplayitem.rotate.html" class="function" rel="rdfs-seeAlso">SWFDisplayItem::rotate()</a> - Rotates in relative coordinates</span></li>
</ul>
</p>
</div>
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