Previous Crush after the first String

Question

import GameKit

class FactModel { // See, this is a class now. let facts = [ "Test1", "test2", "Test3", "test4", "Test5", "test6", "test7", "Test8", "test9", "test10", "Test11", "test12", "test13", "Test14", "test15", "test16", "Test17", "test18" ] var index = 0 // This is the property that will allow us to track what fact we are up to.

func getRandomFact() -> String {  // No change to this method.
    let randomNumber = GKRandomSource.sharedRandom().nextIntWithUpperBound(facts.count)

    return facts[randomNumber]
}

func getNextFact() -> String {
    let fact = facts[index]  // We grab the fact before we increment the index.
    if index < facts.count - 1 {  // We make sure we did not give the last fact in the list.
        index += 1  // We increment the index so the next fact is ready to go.
    } else {
        index = 0  // We wrap around to the first fact because we just gave the last one.
    }

    return fact
}

func getPreviousFact() -> String {
    let fact = facts[index]
    if index < facts.count - 1{
        index -= 1
    } else {
        index = 0
    }
    return fact

}

}

let myFact = FactModel()

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Alexandre Krakani

Alexandre Krakani

Previous Crush after the first String