This is an example of using the Optical Flow plugin in the Developer Tools example, to interact with one of the Kineme Particle compositions.
One of the obvious uses of motion tracking, to me, seemed to be to wave my hands to create wind. This immediately brought to mind the Kineme Fire composition. I had already been familiar with the results of turning up the wind factor on this composition, and it seemed a natural to combine with motion tracking.
I'm posting the source file over at kineme.net
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