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Java™ Media APIs: Cross-Platform Imaging, Media, and Visualization
book

Java™ Media APIs: Cross-Platform Imaging, Media, and Visualization

by Alejandro Terrazas, John Ostuni, Michael Barlow
November 2002
Intermediate to advanced content levelIntermediate to advanced
848 pages
19h 59m
English
Sams
Content preview from Java™ Media APIs: Cross-Platform Imaging, Media, and Visualization

Head Tracking and the Sensor Class

At the end of Chapter 12, we introduced the Sensor class as an abstract sensor for all kinds of inputs including buttons, joysticks, and 6DOF devices. We will now focus specifically on 6DOF devices for head tracking.

Recall that a Sensor is a variable length circular buffer of time stamps each with a Transform3D and the state of various buttons. In the head tracking scenario, it is the values of this Transform3D that we want to use to control our view. The reason for maintaining the information in a circular buffer is that this enables some flexibility in choosing which timestamp and data elements to use in assigning the best approximate position of whatever device is being monitored. The buffer of SensorReads ...

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Publisher Resources

ISBN: 0672320940Purchase book