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mathewsanders/Random Playground

Last active August 29, 2015 14:06
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Playground for random numbers
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Random Playground
// Playground - noun: a place where people can play
import UIKit
// delay is type NSTimeInterval (alias for type 'Double')
var delay:NSTimeInterval
// random number btween 1.0 and 20.0
delay = NSTimeInterval(arc4random_uniform(20))
// random number btween 0.0 and 1.0
delay = NSTimeInterval(arc4random_uniform(10)) / 10
// increase precision by using a larger divisor
// random number btween 0.000 and 1.000
delay = NSTimeInterval(arc4random_uniform(1000)) / 1000
// random number btween 0.250 and 0.500
delay = NSTimeInterval(250 + arc4random_uniform(250)) / 1000
// random number btween 0.900 and 1.000
delay = NSTimeInterval(900 + arc4random_uniform(100)) / 1000
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