Use controllers or other devices to drive Unity animations
The OSC protocol allows you to send information between virtually any device or software if you know how to harness it. Here we'll look at how to manipulate Unity environments with touchOSC
I put together a video tutorial that shows how to drive animations in Unity via any device or program capable of sending Open Sound Control data. This tutorial covers touchOSC on the iPad and Ableton Live. The Unity plugin for receiving OSC data was found in this thread, and the simplified and annotated code and Unity file can be downloaded here.
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