Hi @DaeLee
Thanks for bringing this to our attention. To clarify, the article uses the deprecated method, but the sample code does not. The updated sample code uses computeProjection(convention:viewIndex:). Here's the relevant snippet.
func createUniforms(forViewIndex viewIndex: Int) -> UniformsPerView {
let view = drawable.views[viewIndex]
let viewMatrix = (simdDeviceAnchor * view.transform).inverse
let projection = drawable.computeProjection(convention: .rightUpBack,
viewIndex: viewIndex)
return UniformsPerView(modelViewProjectionMatrix: projection * viewMatrix)
}