![]() ![]() The third category is the various camera tracking devices used in virtual studio environments. This category includes the MIDI, DMX, GPIO devices, and the keyboard of the PC itself. The second is the so-called controllers which enable turning on/off things, starting/stopping animations, and controlling the value of any numeric parameter in the system from external devices. In this tutorial, we deal with receiving input from various external devices and the ways of using these inputs within the system.īasically, input devices fall into three categories.
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