metal10.swift

metal10.swift

struct AnimatedCircleMetalView: UIViewRepresentable {
    func makeUIView(context: Context) -> MTKView {
        let metalView = MTKView()
        metalView.device = MTLCreateSystemDefaultDevice()
        metalView.framebufferOnly = false
        metalView.colorPixelFormat = .bgra8Unorm
        metalView.delegate = context.coordinator
        return metalView
    }
    
    func updateUIView(_ uiView: MTKView, context: Context) {}
    
    func makeCoordinator() -> AnimatedCircleRenderer {
        return AnimatedCircleRenderer()
    }
}

struct Step4View: View {
    var body: some View {
        AnimatedCircleMetalView()
            .edgesIgnoringSafeArea(.all)
    }
}