swf_perspectiveDescriptionvoid 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.
swf_perspective
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swf_ortho