Well, now, it's not impossible, I used to bullseye womp rats in my T16 back home, they're not much... oh, wait, wrong movie.
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It's not impossible. The thing is, *how much* control you want to do, and how to do it... and NOT involve CoH in any way.
Since CoH is a simple UI to use (meaning keyboard/mouse is easiest), then this Leap device could entirely be used without modifying CoH in anyway. Just translate the motions into whatever keystrokes/mouse movements you want.
Couple it with a Kinect to use your entire body, plus a couple of potatoes, and man, you got a stew.
Remember, it's NOT about the software... it's about the interfacing devices telling the software what to do.
And as such... in this case... it's simply not *relevant* as a selling feature. It's like saying "Hey, you can totally use a Razor mouse to run CoH, which is way better yeah, so that's a selling point!"
But hey, thinking of things to list is good, just keep tryin'!