Quote Originally Posted by arby View Post
You don't even need a bar. Some dude used frikken candles.
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..The candles emulated the function of the bar (you do need a bar, or a fitting substitute), and I can - out of personal experience - say that candles don't work well. Yes, while they might work, they are in accurate and the mouse cursor jerks and jumps very often.

The thing is, it needs two points of light. IR Light works best, but other light tends to work as well. Sorta.