Inside Macintosh: 3D Graphics Programming With QuickDraw 3D /

Chapter 9 - Camera Objects / Camera Objects Reference

Camera Objects Routines / Managing Aspect Ratio Cameras

Q3ViewAngleAspectCamera_GetFOV

You can use the Q3ViewAngleAspectCamera_GetFOV function to get the maximum field of view of an aspect ratio camera.

TQ3Status Q3ViewAngleAspectCamera_GetFOV (
TQ3CameraObject camera, 
float *fov);

camera

An aspect ratio camera object.

fov

On exit, the maximum field of view, in radians, of the specified camera.

DESCRIPTION

The Q3ViewAngleAspectCamera_GetFOV function returns, in the fov parameter, the maximum field of view of the aspect ratio camera specified by the camera parameter.