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

Chapter 7 - Transform Objects / Transform Objects Reference

Transform Objects Routines / Creating and Manipulating Rotate-About-Axis Transforms

Q3RotateAboutAxisTransform_GetOrigin

You can use the Q3RotateAboutAxisTransform_GetOrigin function to get the origin of the axis of rotation of a rotate-about-axis transform.

TQ3Status Q3RotateAboutAxisTransform_GetOrigin (
TQ3TransformObject transform, 
TQ3Point3D *origin);

transform

A rotate-about-axis transform.

origin

On exit, the origin of the axis of rotation of the specified rotate-about-axis transform.

DESCRIPTION

The Q3RotateAboutAxisTransform_GetOrigin function returns, in the origin parameter, the current origin of the axis of rotation of the rotate-about-axis transform specified by the transform parameter.