I built a bird flight simulator you control by flapping your arms (Three.js + MediaPipe)

My 6-year-old son wanted a game where you "fly like a real bird." I'm a web developer, not a game dev — but I had Claude Code as a pair programmer. The result: A 3D bird flight simulator running entirely in your browser. You control the bird by moving your arms in front of your webcam. How it works Arms up → glide. Arms down → dive. Flap → climb. No controller, no download. The webcam feeds into MediaPipe's PoseLandmarker , which detects 33 body landmarks in real-time. I map shoulder-to-wrist ve