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php-manual-en-4.3.0-2mdk.noarch.rpm

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>SWFDisplayItem-&#62;rotateTo</H1
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><A
NAME="AEN53414"
></A
><P
>    (no version information, might be only in CVS)</P
>SWFDisplayItem-&#62;rotateTo&nbsp;--&nbsp;Rotates the object in global coordinates.</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN53417"
></A
><H2
>Description</H2
>void <B
CLASS="methodname"
>swfdisplayitem-&#62;rotateto</B
> ( float degrees)<BR
></BR
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>Warning</B
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>This function is
<SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>EXPERIMENTAL</I
></SPAN
>. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP. 
Use this function at your own risk.</P
></TD
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><P
>&#13;     <B
CLASS="function"
>swfdisplayitem-&#62;rotateto()</B
> set the current object
     rotation to <TT
CLASS="parameter"
><I
>degrees</I
></TT
> degrees in global coordinates.
    </P
><P
>&#13;     The object may be a <A
HREF="function.swfshape.html"
><B
CLASS="function"
>swfshape()</B
></A
>, a 
     <A
HREF="function.swfbutton.html"
><B
CLASS="function"
>swfbutton()</B
></A
>, a <A
HREF="function.swftext.html"
><B
CLASS="function"
>swftext()</B
></A
> or a 
     <A
HREF="function.swfsprite.html"
><B
CLASS="function"
>swfsprite()</B
></A
> object. It must have been added using
     the <B
CLASS="function"
>swfmovie-&#62;add()</B
>.
    </P
><P
>&#13;     This example bring three rotating string from the background to the
     foreground. Pretty nice.
     <TABLE
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><A
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></A
><P
><B
>Example 1. <B
CLASS="function"
>swfdisplayitem-&#62;rotateto()</B
> example</B
></P
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><PRE
CLASS="php"
>&#60;?php
  $thetext =  "ming!";

  $f = new SWFFont("Bauhaus 93.fdb");

  $m = new SWFMovie();
  $m-&#62;setRate(24.0);
  $m-&#62;setDimension(2400, 1600);
  $m-&#62;setBackground(0xff, 0xff, 0xff);

  // functions with huge numbers of arbitrary
  // arguments are always a good idea!  Really!

  function text($r, $g, $b, $a, $rot, $x, $y, $scale, $string)
  {
    global $f, $m;

    $t = new SWFText();
    $t-&#62;setFont($f);
    $t-&#62;setColor($r, $g, $b, $a);
    $t-&#62;setHeight(960);
    $t-&#62;moveTo(-($f-&#62;getWidth($string))/2, $f-&#62;getAscent()/2);
    $t-&#62;addString($string);

    // we can add properties just like a normal php var,
    // as long as the names aren't already used.
    // e.g., we can't set $i-&#62;scale, because that's a function

    $i = $m-&#62;add($t);
    $i-&#62;x = $x;
    $i-&#62;y = $y;
    $i-&#62;rot = $rot;
    $i-&#62;s = $scale;
    $i-&#62;rotateTo($rot);
    $i-&#62;scale($scale, $scale);

    // but the changes are local to the function, so we have to
    // return the changed object.  kinda weird..

    return $i;
 }

  function step($i)
  {
    $oldrot = $i-&#62;rot;
    $i-&#62;rot = 19*$i-&#62;rot/20;
    $i-&#62;x = (19*$i-&#62;x + 1200)/20;
    $i-&#62;y = (19*$i-&#62;y + 800)/20;
    $i-&#62;s = (19*$i-&#62;s + 1.0)/20;

    $i-&#62;rotateTo($i-&#62;rot);
    $i-&#62;scaleTo($i-&#62;s, $i-&#62;s);
    $i-&#62;moveTo($i-&#62;x, $i-&#62;y);

    return $i;
  }

  // see?  it sure paid off in legibility:

  $i1 = text(0xff, 0x33, 0x33, 0xff, 900, 1200, 800, 0.03, $thetext);
  $i2 = text(0x00, 0x33, 0xff, 0x7f, -560, 1200, 800, 0.04, $thetext);
  $i3 = text(0xff, 0xff, 0xff, 0x9f, 180, 1200, 800, 0.001, $thetext);

  for($i=1; $i&#60;=100; ++$i)
  {
    $i1 = step($i1);
    $i2 = step($i2);
    $i3 = step($i3);

    $m-&#62;nextFrame();
  }

  header('Content-type: application/x-shockwave-flash');
  $m-&#62;output();
?&#62;</PRE
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    </P
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>&#13;     See also
     <B
CLASS="function"
>swfdisplayitem-&#62;rotate()</B
>.
    </P
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