控制台只显示第一行

Question

我们正试图在控制台上写入3个数组

像这样；

DDDEEDUDE

EDUDEU

DUUEUEDD

随机选择数组和字母给定的代码运行得很好，但它只显示第一行。不知怎么的，我想不出一个好主意。第一个数组运行良好，但其他数组不显示。

string[] A1 = new string[15];
string[] A2 = new string[15];
string[] A3 = new string[15];
Random rastgele = new Random();
int selected_array = 0;
int gamecount_for_a1 = 0;
int gamecount_for_a2=0;
int gamecount_for_a3=0;
string which_letter_str;
while (true)
{
int which_array = rastgele.Next(3);
if (which_array == 0)
{
selected_array = 0;//A1
}
else if (which_array == 1)
{
selected_array = 1;//A2
}
else
{
selected_array = 2;//A3
}
int which_letter_int= rastgele.Next(3);
if  (which_letter_int == 0)
{
which_letter_str = "D";
}
else if (which_letter_int == 1)
{
which_letter_str = "E";
}
else 
{
which_letter_str = "U";
}
if (selected_array ==0)
{
A1[gamecount_for_a1] = which_letter_str;
Console.SetCursorPosition(gamecount_for_a1, 0);
Console.Write(A1[gamecount_for_a1]);
gamecount_for_a1++;
}
else if (selected_array == 1)
{
A1[gamecount_for_a2] = which_letter_str;
Console.SetCursorPosition(gamecount_for_a2, 2);
Console.Write(A2[gamecount_for_a2]);
gamecount_for_a2++;
}
else 
{
A1[gamecount_for_a3] = which_letter_str;
Console.SetCursorPosition(gamecount_for_a3, 4);
Console.Write(A3[gamecount_for_a3]);
gamecount_for_a3++;
}
Console.ReadLine();
if (gamecount_for_a1 == 15 || gamecount_for_a2 == 15 || gamecount_for_a3 == 15)
break;
}

Answer 1

您的代码中有两个错误：

A1[gamecount_for_a2]
A1[gamecount_for_a3]

数组应该是A2和A3。

Answer 2

您可以将代码重构为以下内容：

const int ArrayLength = 15;
const int A1_Count_Index = 0;
const int A2_Count_Index = 1;
const int A3_Count_Index = 2;
const int SpaceBetweenArrayDisplays = 2;
string[] A1 = new string[ArrayLength];
string[] A2 = new string[ArrayLength];
string[] A3 = new string[ArrayLength];
string[][] ArraysInPlay = new string[][] { A1, A2, A3 };
string[] Letters = new[] { "D", "E", "U" };

int[] GameCounts = new int[] { 0, 0, 0 }; //index 1--> count for A1, index 2 --> count for A2, index 3 count for A3
Random rastgele = new Random();
while (GameCounts[A1_Count_Index] < ArrayLength && GameCounts[A2_Count_Index] < ArrayLength && GameCounts[A3_Count_Index] < ArrayLength)
{
var selected_array_index = rastgele.Next(ArraysInPlay.Length);
var letter_index = rastgele.Next(Letters.Length);
var gameCount = GameCounts[selected_array_index];
var cursorPosition = selected_array_index * SpaceBetweenArrayDisplays; // if selected array 0--> 0, if 1--> 2, if 2 --> 4
var selectedArray = ArraysInPlay[selected_array_index];
selectedArray[gameCount] = Letters[letter_index];
Console.SetCursorPosition(gameCount, cursorPosition);
Console.Write(selectedArray[gameCount]);
gameCount++;
GameCounts[selected_array_index] = gameCount;
}
// move cursor to the bottom line
Console.SetCursorPosition(0, ArraysInPlay.Length * SpaceBetweenArrayDisplays);
Console.ReadLine();