swf_perspective
(PHP 4)
swf_perspective — Define a perspective projection transformation
Description
void swf_perspective
( float
$fovy
, float $aspect
, float $near
, float $far
)Defines a perspective projection transformation.
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.
Parameters
-
fovy -
A field-of-view angle in the y direction.
-
aspect -
The aspect ratio of the viewport that is being drawn onto.
-
near -
The near clipping plane.
-
far -
The far clipping plane.
Return Values
No value is returned.
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