Path following drone

I’ve started building a small experiment with a LiteWing drone. The idea is to draw a path directly on my laptop’s webcam feed and make the drone follow that same path in the air. The webcam will keep track of the drone’s position, OpenCV will compare it with the path I drew, and the laptop will keep sending small corrections to the drone over Wi-Fi. If the path is continuous, the drone should follow it smoothly. If there’s a gap, it will stop briefly, move to the start of the next section, and continue. Im starting with normal control logic and PID instead of jumping straight into ML or RL. First I want to see how accurately I can make a real drone reproduce a path drawn on a screen. If this works well, I’ll later try a much harder version with 3D indoor paths and camera-based localization.