feat: added score counter and end of quiz

QuizApp/ContentView.swift

@@ -13,10 +13,30 @@ struct ContentView: View {
     
     @State private var selectedAnswerIndex: Int? = nil
     @State private var isAnswered = false
-
+    
     var body: some View {
         VStack {
-            if let frage = viewModel.currentQuestion {
+            if viewModel.isQuizFinished {
+                VStack(spacing: 20) {
+                    Text("🎉 Quiz beendet!")
+                        .font(.title)
+                    
+                    Text("Dein Ergebnis: \(viewModel.score) von \(viewModel.questions.count) Punkten")
+                        .font(.headline)
+                    
+                    Button("Nochmal spielen") {
+                        restartQuiz()
+                    }
+                    .padding()
+                    .background(Color.blue)
+                    .foregroundColor(.white)
+                    .cornerRadius(10)
+                }
+            } else if let frage = viewModel.currentQuestion {
+                Text("Punkte: \(viewModel.score)")
+                    .font(.headline)
+                    .padding(.bottom, 10)
+                
                 Text(frage.question)
                     .font(.title)
                     .multilineTextAlignment(.center)
@@ -28,15 +48,21 @@ struct ContentView: View {
                         isAnswered = true
                         print("Selected:", index)
                         print("Correct:", frage.correctAnswer)
+                        viewModel.incrementScore(selectedIndex: index)
                     }) {
                         Text(frage.answers[index])
-                            .padding()
+                            .padding(.vertical, 12)
+                            .padding(.horizontal, 20)
                             .frame(maxWidth: 300)
                             .background(buttonColor(for: index, correctIndex: frage.correctAnswer))
                             .foregroundColor(.white)
                             .cornerRadius(10)
+                            .scaleEffect(isAnswered && selectedAnswerIndex == index ? 1.05 : 1.0)
+                            .shadow(radius: isAnswered && selectedAnswerIndex == index ? 5 : 2)
                     }
+                    .animation(.easeInOut(duration: 0.3), value: isAnswered)
                     .disabled(isAnswered)
+                    
                 }
                 VStack {
                     if isAnswered {
@@ -61,7 +87,7 @@ struct ContentView: View {
                         }
                     }
                 }
-                .frame(height: 80)
+                .frame(height: 100)
             } else {
                 Text("Fragen werden geladen...")
             }
@@ -69,7 +95,7 @@ struct ContentView: View {
     }
     private func buttonColor(for index: Int, correctIndex: Int) -> Color {
         guard isAnswered else { return .blue }
-
+        
         if index == correctIndex {
             return .green
         } else if index == selectedAnswerIndex {
@@ -78,6 +104,14 @@ struct ContentView: View {
             return .gray
         }
     }
+    private func restartQuiz() {
+        viewModel.currentQuestionIndex = 0
+        viewModel.score = 0
+        viewModel.isQuizFinished = false
+        selectedAnswerIndex = nil
+        isAnswered = false
+    }
+    
 }
 
 #Preview {

QuizApp/ViewModel.swift

@@ -11,6 +11,8 @@ class ViewModel: ObservableObject {
     
     @Published var questions: [QuizQuestion] = []
     @Published var currentQuestionIndex: Int = 0
+    @Published var score: Int = 0
+    @Published var isQuizFinished: Bool = false
     
     var currentQuestion: QuizQuestion? {
             guard currentQuestionIndex < questions.count else { return nil }
@@ -36,7 +38,13 @@ class ViewModel: ObservableObject {
         if currentQuestionIndex + 1 < questions.count {
             currentQuestionIndex += 1
         } else {
-            currentQuestionIndex = 0 // oder Quiz-Ende behandeln
+            isQuizFinished = true
+        }
+    }
+    
+    func incrementScore(selectedIndex: Int) {
+        if let correct = currentQuestion?.correctAnswer, selectedIndex == correct {
+            score += 1
         }
     }
 }