Fix formula to generate next number

[lulunac27a]

No description provided.

[5j54d93]

The new random method is more reasonable. However, it seems that the maxNumber variable needs to be reset to 1 when game ends.

if isEnd {
    maxNumber = 1
    if score > bestScore {
        bestScore = score
    }
    self.isEnd = isEnd
}

[lulunac27a]

I agree with that idea.

[lulunac27a]

Still waiting for changes