   #PHP Manual Shockwave Flash functions swf_ortho swf_placeobject

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                                swf_perspective

   (PHP 4 <= 4.3.2)
   swf_perspective --  Define a perspective projection transformation

Description

   void swf_perspective ( float fovy, float aspect, float near, float
   far)

   The swf_perspective() function defines a perspective projection
   transformation. The fovy parameter is field-of-view angle in the y
   direction. The aspect parameter should be set to the aspect ratio of
   the viewport that is being drawn onto. The near parameter is the near
   clipping plane and the far parameter is the far clipping plane.

     Note: Various distortion artifacts may appear when performing a
     perspective projection, this is because Flash players only have a
     two dimensional matrix. Some are not to pretty.
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