FullContentView.swift

struct ContentView : View {
    @State var stackLocation: CGPoint = .zero
    @State var stackAngle: Angle = .zero
    
    var body: some View {
        VStack(alignment: .leading) {
            Text("Hello World")
                .font(.largeTitle)
                .bold()
            Text("This is my test app.")
        }
        .offset(x: stackLocation.x, y: stackLocation.y)
        .rotationEffect(stackAngle)
        .gesture(DragGesture()
            .onChanged {
                self.stackLocation = $0.location
            }
            .onEnded { _ in
                self.stackLocation = .zero
            }
        )
        .animation(.spring())
        .gesture(RotationGesture()
            .onChanged {
                self.stackAngle = $0
            }
            .onEnded { _ in
                self.stackAngle = .zero
            }
        )
    }
}