C＃发生了'system.indexoutofrangeexception'类型的未处理异常

问题描述

所以我做了一个2d数组，我想在其中添加数据，但我总是得到这个错误

so i made a 2d array and i want to add data into it but i always get this error

An unhandled exception of type 'System.IndexOutOfRangeException' occurred in kwaterminal.exe

这是我怎么做的：

this how i did it:

int[,] terain = new int[x1, y1];
int placedmas = 0;
          while (placedmas < LandMasa)
          {
              Random rnd = new Random();
              int x = 0;
              int y = 0;
              x = rnd.Next(0,x1);
              y = rnd.Next(0,y1);

              terain[x1,y1] = 1; //here i get the error
          }

我尝试了什么：



在线搜索错误但是我找不到那个试图像我一样做的人

What I have tried:

searchin the error online but i could not find someone who was trying to do the same as me

推荐答案

terain[x1,y1] = 1;

你可能意味着 [x，y] （你随机变量）生成）。 x1 和 y1 是您之前指定的尺寸，因此此数组的右下角元素将位于 [x1 - 1，y1 - 1] 使 [x1，y1] 超出范围。







您还需要增加 placemas 在某些时候，或者你会陷入无限循环。

You probably meant [x, y] (the variables you just randomly generated). x1 and y1 are the dimensions you specified earlier, so the "bottom-right" element of this array will be at [x1 - 1, y1 - 1] which makes [x1, y1] out of range.



You'll also have to increase placedmas at some point, or you'll get stuck in an infinite loop.

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