ARKit: Projecting 3D mesh to 2D coordinate
A simple utility to project 3D face mesh in 2D coordinate on device screen.
Sources:
https://developer.apple.com/documentation/arkit/content_anchors/tracking_and_visualizing_faces https://coderedirect.com/questions/166424/projecting-the-arkit-face-tracking-3d-mesh-to-2d-image-coordinates