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Define a perspective projection transformation


swf_perspective

(PHP 4)

swf_perspectiveDefine 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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