可种子JavaScript随机数生成器 [英] Seedable JavaScript random number generator
问题描述
JavaScript Math.random()
函数返回0到1之间的随机值,根据当前时间自动播种(类似于我认为的Java)。但是,我认为没有办法为它设置种子。
The JavaScript Math.random()
function returns a random value between 0 and 1, automatically seeded based on the current time (similar to Java I believe). However, I don't think there's any way to set you own seed for it.
如何创建一个随机数生成器,我可以提供自己的种子值,这样我可以让它产生一个可重复的(伪)随机数序列?
How can I make a random number generator that I can provide my own seed value for, so that I can have it produce a repeatable sequence of (pseudo)random numbers?
推荐答案
一个选项是 http://davidbau.com/seedrandom 这是一个基于RC4的可种子Math.random()替换,具有不错的属性。
One option is http://davidbau.com/seedrandom which is a seedable RC4-based Math.random() drop-in replacement with nice properties.
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