ButtonNeumorphism-NeumorphicButtonStyle.swift

struct NeumorphicButtonStyle: ButtonStyle {
    @State var  opacity : CGFloat = 1
    @State var  opacityOp : CGFloat = 0
    @State var  shadowRadiusXY : CGFloat = 3
    @State var  scale : CGFloat = 1
    let width : CGFloat
    let cornerRadius : CGFloat
    
    func makeBody(configuration: Self.Configuration) -> some View {
        configuration.label
            .padding()
            .frame(width: width)
            .foregroundColor(.primary)
            .background(NeuButtonBackgroundView(cornerRadius: cornerRadius, opacity: $opacity, opacityOp: $opacityOp, shadowRadiusXY: $shadowRadiusXY))
            .scaleEffect(scale)
            .onChange(of: configuration.isPressed) { newValue in
                if (!configuration.isPressed) {
                    withAnimation(.spring(dampingFraction: 0.5).speed(2)) {
                        opacity = 0
                        scale = 0.95
                        opacityOp = 1
                        shadowRadiusXY = 0
                    }
                } else {
                    withAnimation(.spring(dampingFraction: 0.5).speed(2)) {
                        opacity = 1
                        scale = 1
                        opacityOp = 0
                        shadowRadiusXY = 3
                    }
                }
            }
    }
}