如何在XNA游戏中使用差数进行随机化? [英] How to random with differrence number in XNA game?

问题描述

大家好，

我正在开发自己的游戏，而Random()却有问题.

当游戏运行时，Random()只会给我一个相同的数字.

Hi everyone,

I am developing my own game and I have a problem with Random().

When game runs, the Random() merely gives me a same number.

if (seconds % 5 == 0 && seconds != 0 && animal_appearance == false)
           {
               animal_appearance = true;
               Last_animal += seconds;
               anime_Index =new Random().Next(9);
           }

我的第一次跑步:Random()给我6，然后在10秒后再次给我6.
在我的第二轮比赛中，第一轮是1，而不是6

我真的不知道.

真诚的.

My first run: Random() give me 6 and then after 10 seconds it again gives me 6.
On my second run as first run but 1 instead of 6

I am really have no idea of this.

Sincerely.

推荐答案

您在犯随机数时常犯错误.

请参阅随机 [

You are making a common mistake for random numbers.

See the MSDN Documentation on Random[^] Seeding.

Random numbers are actually pseudo random and the clock is used by default for its seed (you can provide your own though).

To solve, you can make a single random object and have your own seed value (int) rather than the default.

Random _randSeed = new Random(GetSavedSeedValue());//Get a seed value from somewhere
...
if (seconds % 5 == 0 && seconds != 0 && animal_appearance == false)
            {
                animal_appearance = true;
                Last_animal += seconds;  
                anime_Index = _randSeed.Next(9);
            }

thx ^^.
先生迟到了.
我最近很忙.谢谢你的回答.
我会尽力的.
多谢.
真诚的.

thx^^.
Sr for being late.
I have been busy recently. Thx for ur answer.
I will try my best.
Thx alot.
Sincerely.

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