Installing the Live Link Face app
The Live Link Face app is a free app that you can download onto your iPhone or iPad directly from the App Store. Its sole purpose is to utilize the iPhone’s built-in depth camera, along with facial recognition and pixel tracking technology, to produce data that works within ARKit. In addition to collecting facial motion capture data in real time, it also transmits the data via Internet Protocol (IP) to your desktop computer using a Wi-Fi connection; this data is then picked up by the Live Link utility in Unreal Engine, which we shall delve into later.
Figure 8.1 shows the Live Link Face app in the Apple App Store:
Figure 8.1: The Live Link Face app in the App Store
Once downloaded and installed, open the app to test that it is working. While looking at the display, you should immediately see your face. By default, the mesh overlay is enabled as seen in Figure 8.2, and you’ll see that the mesh very accurately...
