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.