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_SetOrigin

You can use the Q3RotateAboutAxisTransform_SetOrigin function to set the origin of the axis of rotation of a rotate-about-axis transform.

TQ3Status Q3RotateAboutAxisTransform_SetOrigin (
TQ3TransformObject transform, 
const TQ3Point3D *origin);

transform

A rotate-about-axis transform.

origin

The desired origin of the axis of rotation of the specified rotate-about-axis transform.

DESCRIPTION

The Q3RotateAboutAxisTransform_SetOrigin function sets the origin of the axis of rotation for the rotate-about-axis transform specified by the transform parameter to the value passed in the origin parameter.