早上好,我正在做一个问答游戏,每个主题有6个问题。我想随机提出问题(没有转发器),在我完成6个问题后给出最终成绩。
我尝试使用Random.Range,但它没有用,因为有时我只跑了大约2,3或1个问题并很快进入笔记屏幕,我看到一些关于制作列表的话题Shuffle也试过但是Shuffle没有出现在我的脚本中,并且更多地减去了.Count命令,所以我不知道它是否会起作用。
任何人都可以帮助我吗?好吧,我知之甚少,我不知道如何正确使用Shuffle。如果他们可以详细谈论或发送更正后的脚本,我将非常感激。提前感谢您的关注和理解,我为任何拼写错误道歉,我巴西和我使用谷歌翻译来翻译该消息。
这是我用于问答的完整脚本。
using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using UnityEngine.SceneManagement;
public class responder : MonoBehaviour {
private int idTema;
public Text pergunta;
public Text respostaA;
public Text respostaB;
public Text respostaC;
public Text respostaD;
public Text InfoRespostas;
public string[] perguntas; //armazena todas as perguntas
public string[] alternativaA; //armazena todas as alternativas A
public string[] alternativaB; //armazena todas as alternativas B
public string[] alternativaC; //armazena todas as alternativas C
public string[] alternativaD; //armazena todas as alternativas D
public string[] corretas; //armazena todas as alternativas corretas
private int idPergunta;
private float acertos;
private float questoes;
private float media;
private int notaFinal;
// Use this for initialization
void Start ()
{
idTema = PlayerPrefs.GetInt ("idTema");
idPergunta = 0;
questoes = perguntas.Length;
pergunta.text = perguntas [idPergunta];
respostaA.text = alternativaA [idPergunta];
respostaB.text = alternativaB [idPergunta];
respostaC.text = alternativaC [idPergunta];
respostaD.text = alternativaD [idPergunta];
InfoRespostas.text = "Respondendo "+(idPergunta + 1).ToString()+" de "+questoes.ToString()+" perguntas.";
}
public void resposta (string alternativa)
{
if (alternativa == "A")
{
if (alternativaA [idPergunta] == corretas [idPergunta])
acertos += 1;
}
else if (alternativa == "B")
{
if (alternativaB [idPergunta] == corretas [idPergunta])
acertos += 1;
}
else if (alternativa == "C")
{
if (alternativaC [idPergunta] == corretas [idPergunta])
acertos += 1;
}
else if (alternativa == "D")
{
if (alternativaD [idPergunta] == corretas [idPergunta])
acertos += 1;
}
proximaPergunta ();
}
void proximaPergunta()
{
idPergunta += 1; /// se fosse 20 questões aqui seria 19
if(idPergunta <= (questoes-1))
{
pergunta.text = perguntas [idPergunta];
respostaA.text = alternativaA [idPergunta];
respostaB.text = alternativaB [idPergunta];
respostaC.text = alternativaC [idPergunta];
respostaD.text = alternativaD [idPergunta];
InfoRespostas.text = "Respondendo "+(idPergunta + 1).ToString()+" de "+questoes.ToString()+" perguntas.";
}
else
{
{
media = 10 * (acertos / questoes); //calcula a media com base no percentual de acerto
notaFinal = Mathf.RoundToInt(media); //calcula a nota para o proximo inteiro, segundo a regra da matematica
if(notaFinal > PlayerPrefs.GetInt("notaFinal"+idTema.ToString()))
{
PlayerPrefs.SetInt ("notaFinal" + idTema.ToString (), notaFinal);
PlayerPrefs.SetInt("acertos"+idTema.ToString(), (int) acertos);
}
PlayerPrefs.SetInt ("notaFinalTemp" + idTema.ToString (), notaFinal);
PlayerPrefs.SetInt("acertosTemp"+idTema.ToString(), (int) acertos);
SceneManager.LoadScene ("notaFinal");
}
}
}
}
答案 0 :(得分:5)
而不是string[]
使用List<String>
,因此您可以shuffle。快速有效。
答案 1 :(得分:3)
另一种可能性是从可用的列表中删除提出的问题:
private static Random s_Random = new Random();
// Question: Let's extract question into class
public static IEnumerable<Question> AskQuestions(IEnumerable<Question> allQuestions) {
if (null == allQuestions)
throw new ArgumentNullException("allQuestions");
// Copy of all the questions
List<Question> availableQuestions = allQuestions.ToList();
while (availableQuestions.Any()) {
int index = s_Random.Next(availableQuestions.Count);
yield return availableQuestions[index]; // Ask Question
availableQuestions.RemoveAt(index); // And Remove It
}
}
所以你可以把
// Any collection (let it be list) of all possible question
List<Question> allQuestions = ....
让我们问N
个问题:
int N = 6; // 6 distinct (no repeating) questions
foreach (Question question in AskQuestions(allQuestions).Take(N)) {
//TODO: Ask question here, give response etc.
Console.WriteLine(question.ToString());
}