[feat] 毎回問題が変わるように修正

shilokuma-inc · May 22, 2024 · 6c57fbb · 6c57fbb
1 parent 6da8a2c
commit 6c57fbb
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Showing 2 changed files with 32 additions and 4 deletions.
diff --git a/PrimePickApp/MainView.swift b/PrimePickApp/MainView.swift
@@ -27,7 +27,7 @@ struct MainView: View {
                         .font(.headline)
                         .padding()
 
-                    NavigationLink(destination: QuizView(difficulty: "Hard")) {
+                    NavigationLink(destination: LazyView(QuizView(difficulty: "Hard"))) {
                         Text("Hard")
                             .padding()
                             .frame(maxWidth: .infinity)
@@ -38,7 +38,7 @@ struct MainView: View {
                     .padding(.horizontal, 50)
                     .padding(.bottom, 10)
 
-                    NavigationLink(destination: QuizView(difficulty: "Normal")) {
+                    NavigationLink(destination: LazyView(QuizView(difficulty: "Normal"))) {
                         Text("Normal")
                             .padding()
                             .frame(maxWidth: .infinity)
@@ -49,7 +49,7 @@ struct MainView: View {
                     .padding(.horizontal, 50)
                     .padding(.bottom, 10)
 
-                    NavigationLink(destination: QuizView(difficulty: "Easy")) {
+                    NavigationLink(destination: LazyView(QuizView(difficulty: "Easy"))) {
                         Text("Easy")
                             .padding()
                             .frame(maxWidth: .infinity)
@@ -65,6 +65,18 @@ struct MainView: View {
         }
     }
 }
+
+struct LazyView<Content: View>: View {
+   let content: () -> Content
+
+   init(_ content: @autoclosure @escaping () -> Content) {
+       self.content = content
+   }
+
+   var body: Content {
+       content()
+   }
+}
 
 #Preview {
     MainView()

diff --git a/PrimePickApp/QuizData/QuizDataManager.swift b/PrimePickApp/QuizData/QuizDataManager.swift
@@ -6,18 +6,34 @@
 //
 
 import Foundation
+import GameplayKit
 
 class QuizDataManager {
     func makeQuizData() -> [PrimeQuizEntity] {
         let primeData = PrimeData()
         var quizData: [PrimeQuizEntity] = []
         let primeNumbers = primeData.generateOneOrTwoDigitPrimes()
+        let timestamp = UInt64(Date().timeIntervalSince1970 * 1000)
+        var generator = SeededGenerator(seed: timestamp)
+
         for i in 1...10 {
-            let randomInt = Int.random(in: 1...99)
+            let randomInt = Int.random(in: 1...99, using: &generator)
             let isCorrect = primeNumbers.contains(randomInt)
             let primeQuizEntity = PrimeQuizEntity(quizId: i, number: randomInt, isCorrect: isCorrect)
             quizData.append(primeQuizEntity)
         }
         return quizData
     }
 }
+
+struct SeededGenerator: RandomNumberGenerator {
+    private var rng: GKMersenneTwisterRandomSource
+
+    init(seed: UInt64) {
+        rng = GKMersenneTwisterRandomSource(seed: seed)
+    }
+
+    mutating func next() -> UInt64 {
+        return UInt64(rng.nextUniform() * Float(UInt64.max))
+    }
+}