I Turned My Eyes Into a Game Controller, With Nothing But a Webcam

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How I built a gaze-controlled 3D camera (and an eye-aim shooter) using MediaPipe, OpenCV, and Pygame, and most importantly no $1,000 eye-tracker required.

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Eye-tracking has always felt like a luxury feature. The good hardware, such as Tobii bars, dedicated IR trackers, costs more than the games you'd play with it, and every tutorial seems to assume you already own one. So I asked the obvious question: how far can I get with the webcam that's already sitting on top of my monitor?