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

Chapter 18 - QuickDraw 3D Pointing Device Manager / QuickDraw 3D Pointing Device Manager Reference

QuickDraw 3D Pointing Device Manager Routines / Creating and Managing Trackers

Q3Tracker_SetOrientation

You can use the Q3Tracker_SetOrientation function to set the orientation of a tracker.

TQ3Status Q3Tracker_SetOrientation (
TQ3TrackerObject trackerObject, 
TQ3ControllerRef controllerRef, 
const TQ3Quaternion *orientation);

trackerObject

A tracker object.

controllerRef

A reference to a controller.

orientation

The desired orientation (in radians) of the specified tracker, or NULL.

DESCRIPTION

The Q3Tracker_SetOrientation function sets the orientation of the tracker specified by the trackerObject and controllerRef parameters to the value specified in the orientation parameter. If the specified tracker is inactive, Q3Tracker_SetOrientation has no effect.

Note

Calling Q3Tracker_SetOrientation might cause the notify function of the tracker to be called.

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