Fading text from state change

ContentView.swift

import SwiftUI

struct ContentView: View {
    @EnvironmentObject var taos: TaoStore

    @State var tao: Tao
    @State var showTao = false
    
    fileprivate func toggleShowTao() {
        withAnimation(.easeInOut(duration: 0.35)) {
            self.showTao.toggle()
        }
    }
    
    var body: some View {
        VStack {
            VStack(alignment: .leading) {
                Text(self.$tao.wrappedValue.quote)
                    .fixedSize(horizontal: false, vertical: true)
                    .padding(.bottom)
                    .font(.system(size: 30, design: .serif))
                    .foregroundColor(.primary)
                Text("— " + self.$tao.wrappedValue.author)
                    .foregroundColor(.secondary)
            }
            .frame(minWidth: 0, maxWidth: .infinity, alignment: .leading)
            .padding(.horizontal, 30)
            .opacity(showTao ? 1 : 0)
        }
        .onAppear {
            self.toggleShowTao()
        }
        .onTapGesture {
            self.backgroundColor = ColorStore().randomBackgroundColor()
            self.toggleShowTao()
            DispatchQueue.main.asyncAfter(deadline: .now() + 0.35) {
                self.tao = self.taos.randomTao()
                self.toggleShowTao()
            }
        }
    }
}