Alternative Orientation Systems

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Michael J. Smith (smith++at++vsl.ist.ucf.edu)
Wed, 4 Jan 1995 18:21:22 -0500 (EST)

Has there been any attention to allowing the use of Quaternians in the
next release of Performer? And if so, will they be instead of Euler
Angles or in addition to them? Using quaternians in my application would
be more efficient, but needing to change to Euler Angles or a Rotation
Matrix from the quaternian each frame might be a large performance hit.
What is the Performer Groups position on this subject? (I really mean the
Performer library programmers, but general responses are certainly welcome)

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| Michael J. Smith University Of Central Florida |
| Visual Systems Laboratory Institute for Simulation & Training |
| Graduate Research Assistant 3280 Progress Drive |
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| ++at++cs.ucf.edu |
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