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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_MoveOrientation

You can use the Q3Tracker_MoveOrientation function to set the orientation of a tracker relative to its current orientation.

TQ3Status Q3Tracker_MoveOrientation (
TQ3TrackerObject trackerObject, 
TQ3ControllerRef controllerRef, 
const TQ3Quaternion *delta);
trackerObject
A tracker object.
controllerRef
A reference to a controller.
delta
The desired change in orientation of the specified tracker.
DESCRIPTION
The Q3Tracker_MoveOrientation function adds the value specified by the delta parameter to the orientation of the tracker specified by the trackerObject and controllerRef parameters. If the specified tracker is inactive, Q3Tracker_MoveOrientation has no effect.

Note
Calling Q3Tracker_MoveOrientation might cause the notify function of the tracker to be called.

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© Apple Computer, Inc.
11 JUL 1996




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