Hello everyone!
My team and I are working on a shared AR experience involving the users' faces.
Upon launch, we want all users to capture their faces on their respective device, i.e. generate a texture that, when applied to ARSCNFaceGeometry, looks similar to them.
We will then broadcast the textures before starting the session and use them to create digital replicas of everyone.
Can anyone recommend a specific technique to obtain these textures? This step needn't be incredibly efficient since it only happens once. It should, though, produce a high-quality result without blank areas on the face.
My first intuition was to somehow distort a snapshot of the ARView using the spatial information provided by ARSCNFaceGeometry. If I understand correctly, textureCoordinates can be used to map vertices to their corresponding 2D-coordinates in the texture bitmap. How would I approach the transforms concretely, though?
Writing this down has already helped a lot. We would nevertheless appreciate any input. Thanks!
~ Alex
(Note: None of us have prior experience with shaders but are eager to learn if necessary.)
