Как правильно настроить draggesture swiftui?

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struct ContentView: View {
    @State private var offset = CGSize.zero
    @State private var position = CGSize.zero
    
    var body: some View {
        RoundedRectangle(cornerRadius: 25.0)
            .fill(Color.blue)
            .frame(width: 200, height: 200)
            .offset(x: offset.width + position.width, y: offset.height + position.height)
            .gesture(
                DragGesture()
                    .onChanged { value in
                        self.offset = value.translation
                    }
                    .onEnded { value in
                        self.offset = CGSize.zero
                        self.position.width += value.translation.width
                        self.position.height += value.translation.height
                    }
            )
    }
}