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

Chapter 9 - Camera Objects / Camera Objects Reference

Camera Objects Routines / Managing View Plane Cameras

Q3ViewPlaneCamera_SetHalfWidth

You can use the Q3ViewPlaneCamera_SetHalfWidth function to set the half-width of the object specifying a view plane camera.

TQ3Status Q3ViewPlaneCamera_SetHalfWidth (
TQ3CameraObject camera, 
float halfWidthAtViewPlane);

camera

A view plane camera object.

halfWidthAtViewPlane

The desired half-width of the cross section of the viewed object of the specified camera.

DESCRIPTION

The Q3ViewPlaneCamera_SetHalfWidth function sets the half-width of the cross section of the viewed object of the camera specified by the camera parameter to the value specified in the halfWidthAtViewPlane parameter.