我如何使用C4Alpha Api生成随机数字?
For a basic app with nonconsumable in-app purchases, has anyone figured out best practices for using SKPaymentQueue s restoreCompletedTransactions? Observations I know it s recommended to always ...
我如何使用C4Alpha Api生成随机数字?
在C4中,你可以使用C4Math类,该类有称为随机Int的一类级方法。
<代码>[C4Math arbitraryInt:255];将给你0至255的随机号码。
还有一个<条码>。 方法......
<代码>[C4Math arbitraryInt BetweenA:100和B:200],将给你随机发放 10至200年
在一生中,这些方法就是这样:
+(NSInteger)randomInt:(NSInteger)value {
srandomdev();
return ((NSInteger)random())%value;
}
+(NSInteger)randomIntBetweenA:(NSInteger)a andB:(NSInteger)b{
NSInteger returnVal;
if (a == b) {
returnVal = a;
}
else {
NSInteger max = a > b ? a : b;
NSInteger min = a < b ? a : b;
NSAssert(max-min > 0, @"Your expression returned true for max-min <= 0 for some reason");
srandomdev();
returnVal = (((NSInteger)random())%(max-min) + min);
}
return returnVal;
}
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