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book--hacking-with-swift
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logic for randomly selecting flag choices and answer.

This commit is contained in:
CypherPoet 2019-01-14 17:13:02 -05:00
parent 67d24f2105
commit a75509be15
1 changed files with 22 additions and 49 deletions
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71
02-guess-the-flag/Guess the Flag/Guess the Flag/ViewController.swift
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@ -8,43 +8,27 @@
import UIKit
let flagFileNames = [
"estonia",
"france",
"germany",
"ireland",
"italy",
"monaco",
"nigeria",
"poland",
"russia",
"spain",
"uk",
"us"
let flagFilePathsAndNames = [
"estonia": "Estonia",
"france": "France",
"germany": "Germany",
"ireland": "Ireland",
"italy": "Italy",
"monaco": "Monaco",
"nigeria": "Nigeria",
"poland": "Poland",
"russia": "Russia",
"spain": "Spain",
"uk": "United Kingdom",
"us": "United States",
]
enum Country: String {
case estonia = "Estonia"
case france = "France"
case germany = "Germany"
case ireland = "Ireland"
case italy = "Italy"
case monaco = "Monaco"
case nigeria = "Nigeria"
case poland = "Poland"
case russia = "Russia"
case spain = "Spain"
case uk = "United Kingdom"
case us = "United States"
}
class ViewController: UIViewController {
@IBOutlet var button1: UIButton!
@IBOutlet var button2: UIButton!
@IBOutlet var button3: UIButton!
var countries = [Country]()
var currentScore = 0
@ -58,14 +42,16 @@ class ViewController: UIViewController {
func askQuestion() {
let flagToGuess = _getFlagToGuess()
let flagFileNameChoices = _getFlagChoices()
let flagKeys = flagFilePathsAndNames.keys.shuffled()[..<3]
let flagToGuess = flagFilePathsAndNames[flagKeys.randomElement() ?? flagKeys[0]]
if let _flagToGuess = flagToGuess {
title = "Which flag belongs to \(_flagToGuess)"
}
title = "Which flag belongs to \(flagToGuess.rawValue)"
button1.setImage(UIImage(named: flagFileNameChoices[0]), for: .normal)
button2.setImage(UIImage(named: flagFileNameChoices[1]), for: .normal)
button3.setImage(UIImage(named: flagFileNameChoices[2]), for: .normal)
for (index, button) in [button1, button2, button3].enumerated() {
button?.setImage(UIImage(named: flagKeys[index]), for: .normal)
}
}
@ -75,18 +61,5 @@ class ViewController: UIViewController {
button?.layer.borderColor = UIColor(red: 1.00, green: 0.28, blue: 0.38, alpha: 1.00).cgColor
}
}
func _getFlagToGuess() -> Country {
return .russia
}
func _getFlagChoices() -> [String] {
return [
flagFileNames[0],
flagFileNames[1],
flagFileNames[2],
]
}
}