298 lines
8.3 KiB
C#
298 lines
8.3 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using Kill.Managers;
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using Kill.UI.Pages;
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using UnityEngine;
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using UnityEngine.UI;
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public class SafetylearningTestPage : MonoBehaviour
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{
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public Transform questionContainer;
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public GameObject questionPrefab;
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public Button nextButton;
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public Button submitButton;
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public GameObject answerPrefab;
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public List<GameObject> sonObjs;
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// 题库（所有未答对2次的题目）
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private List<QuestionInfo> questionBank = new List<QuestionInfo>();
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// 答题队列（当前答题顺序）
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public List<QuestionInfo> questionQueue = new List<QuestionInfo>();
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// 答题记录（记录每道题答对次数）
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private Dictionary<int, int> correctCountMap = new Dictionary<int, int>();
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private int currentQuestionIndex = 0;
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private int totalAnsweredCount = 0;
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private SafetylearningQuestion currentQuestion;
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private GameObject currentAnswerObj;
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public void Init(List<QuestionInfo> questions)
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{
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// 初始化题库
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questionBank = new List<QuestionInfo>(questions);
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correctCountMap.Clear();
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totalAnsweredCount = 0;
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// 初始化答题队列（按顺序）
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InitializeQueue();
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// 显示第一题
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ShowQuestion(0);
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}
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/// <summary>
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/// 初始化答题队列（按顺序）
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/// </summary>
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private void InitializeQueue()
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{
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questionQueue.Clear();
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// 按顺序将题库中所有题目加入队列
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foreach (var question in questionBank)
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{
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questionQueue.Add(question);
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}
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currentQuestionIndex = 0;
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Debug.Log($"初始化答题队列，共 {questionQueue.Count} 道题");
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}
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/// <summary>
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/// 重新生成队列（答错时调用）
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/// 清空队列，将题库中所有题目打乱顺序生成新队列
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/// </summary>
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private void RegenerateQueue()
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{
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questionQueue.Clear();
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// 将题库中所有题目加入队列
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foreach (var question in questionBank)
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{
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questionQueue.Add(question);
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}
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// 打乱队列
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ShuffleList(questionQueue);
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currentQuestionIndex = 0;
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Debug.Log($"重新生成答题队列，共 {questionQueue.Count} 道题");
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}
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/// <summary>
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/// 从题库中移除题目（答对2次时调用）
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/// </summary>
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private void RemoveFromBank(int questionId)
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{
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var question = questionBank.Find(q => q.id == questionId);
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if (question != null)
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{
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questionBank.Remove(question);
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Debug.Log($"题目 {questionId} 已从题库中移除");
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}
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}
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/// <summary>
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/// Fisher-Yates 洗牌算法
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/// </summary>
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private void ShuffleList<T>(List<T> list)
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{
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System.Random rng = new System.Random();
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int n = list.Count;
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while (n > 1)
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{
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n--;
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int k = rng.Next(n + 1);
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T value = list[k];
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list[k] = list[n];
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list[n] = value;
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}
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}
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/// <summary>
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/// 显示指定题目
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/// </summary>
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private void ShowQuestion(int index)
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{
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// 检查队列是否为空，为空则通过
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if (questionQueue.Count == 0)
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{
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Debug.Log("答题队列已空，通过！");
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// 显示完成页面
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SafetylearningPageCtrl.Instance?.ShowFinishPage();
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return;
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}
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// 清除旧题目和解析
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ClearCurrentQuestion();
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currentQuestionIndex = index;
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// 如果超出范围，从第一题开始
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if (currentQuestionIndex >= questionQueue.Count)
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{
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currentQuestionIndex = 0;
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}
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// 创建新题目
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GameObject questionObj = Instantiate(questionPrefab, questionContainer);
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sonObjs.Add(questionObj);
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currentQuestion = questionObj.GetComponent<SafetylearningQuestion>();
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// 使用总答题序号作为题号（累加）
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totalAnsweredCount++;
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currentQuestion.Init(totalAnsweredCount, questionQueue[currentQuestionIndex]);
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// 订阅选项选择事件
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currentQuestion.OnOptionSelected += OnOptionSelected;
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// 初始状态：隐藏提交和下一题按钮
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submitButton.gameObject.SetActive(false);
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nextButton.gameObject.SetActive(false);
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// 绑定按钮事件
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submitButton.onClick.RemoveAllListeners();
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submitButton.onClick.AddListener(OnSubmitClick);
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nextButton.onClick.RemoveAllListeners();
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nextButton.onClick.AddListener(OnNextClick);
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}
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/// <summary>
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/// 选项被选择
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/// </summary>
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private void OnOptionSelected()
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{
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// 有选择时显示提交按钮
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if (currentQuestion != null && currentQuestion.HasSelectedAnswer())
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{
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submitButton.gameObject.SetActive(true);
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}
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}
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/// <summary>
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/// 提交答案
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/// </summary>
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private void OnSubmitClick()
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{
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if (currentQuestion == null) return;
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// 禁用选项交互
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currentQuestion.DisableAllOptions();
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submitButton.gameObject.SetActive(false);
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// 显示答案判断
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currentQuestion.CheckAnswer();
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// 判断是否正确
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string userAnswer = currentQuestion.GetUserAnswer();
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string correctAnswer = questionQueue[currentQuestionIndex].correctAnswer;
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bool isCorrect = userAnswer == correctAnswer;
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// 获取当前题目ID
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int currentQuestionId = questionQueue[currentQuestionIndex].id;
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if (isCorrect)
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{
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// 更新答对次数
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if (!correctCountMap.ContainsKey(currentQuestionId))
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{
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correctCountMap[currentQuestionId] = 0;
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}
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correctCountMap[currentQuestionId]++;
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// 检查是否答对2次
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if (correctCountMap[currentQuestionId] >= 2)
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{
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// 从题库中移除
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RemoveFromBank(currentQuestionId);
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}
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// 从队列中移除当前题目
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questionQueue.RemoveAt(currentQuestionIndex);
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// 索引保持不变，因为移除后后面的题目会前移
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// 2秒后自动下一题
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StartCoroutine(DelayNextQuestion());
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}
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else
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{
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// 答错：清空队列，重新生成
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RegenerateQueue();
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// 显示解析和下一题按钮
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CreateAnswerExplanation();
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nextButton.gameObject.SetActive(true);
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// 重置索引，确保点击下一题从第一题开始
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currentQuestionIndex = -1;
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}
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}
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/// <summary>
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/// 延迟下一题
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/// </summary>
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private IEnumerator DelayNextQuestion()
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{
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yield return new WaitForSeconds(2f);
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ShowQuestion(currentQuestionIndex);
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}
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/// <summary>
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/// 创建答案解析
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/// </summary>
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private void CreateAnswerExplanation()
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{
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if (answerPrefab == null) return;
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currentAnswerObj = Instantiate(answerPrefab, questionContainer);
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sonObjs.Add(currentAnswerObj);
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currentAnswerObj.GetComponent<SafetylearningAnswer>().Init(
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questionQueue[currentQuestionIndex].options,
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questionQueue[currentQuestionIndex].videoUrl
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);
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}
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/// <summary>
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/// 下一题
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/// </summary>
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private void OnNextClick()
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{
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currentQuestionIndex++;
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ShowQuestion(currentQuestionIndex);
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}
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/// <summary>
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/// 清除当前题目和解析
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/// </summary>
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private void ClearCurrentQuestion()
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{
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// 取消订阅事件
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if (currentQuestion != null)
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{
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currentQuestion.OnOptionSelected -= OnOptionSelected;
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}
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// 销毁所有子对象
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foreach (var obj in sonObjs)
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{
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if (obj != null)
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Destroy(obj);
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}
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sonObjs.Clear();
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currentQuestion = null;
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currentAnswerObj = null;
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}
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void OnDestroy()
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{
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submitButton?.onClick.RemoveAllListeners();
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nextButton?.onClick.RemoveAllListeners();
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if (currentQuestion != null)
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{
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currentQuestion.OnOptionSelected -= OnOptionSelected;
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}
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}
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}
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