COpenGL:: IsPerspectiveProjection

BOOL IsPerspectiveProjection( void );

Return Value

TRUE if the COpenGL object produces a perspective view projections. Otherwise the return value is FALSE.

Remarks

The IsPerspectiveProjection method function can be used to determine whether the current COpenGL object’s projection is a perspective projection.

The COpenGL object produces a view projection as a result of user interaction (zoom, pan, rotate …) with the object or after eye point, reference point, up direction changes or window size changes. The object’s view projection can be either perspective or orthographic.

See Also

SetPerspectiveProjection, IsOrthoProjection

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