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I'm so sorry! I copied the screenshots but it didn't show.My code is as follows:import UIKit
class ViewController: UIViewController {
lazy var game = Concentration(numberOfPairsOfCards: (cardButtons.count + 1) / 2)
var flipCount: Int = 0 {
didSet {
flipCountLabel.text = "Flips: \(flipCount)"
}
}
@IBOutlet var cardButtons: [UIButton]!
@IBOutlet weak var flipCountLabel: UILabel!
@IBAction func touchCard(_ sender: UIButton) {
flipCount += 1
if let cardNumber = cardButtons.firstIndex(of: sender) {
game.chooseCard(at: cardNumber)
updateViewFromModel()
} else {
print("chosen card was not in cardBottons")
}
}
func updateViewFromModel() {
for index in cardButtons.indices {
let button = cardButtons[index]
let card = game.cards[index]
if card.isFaceUp {
button.setTitle(emoji(for: card), for: UIControl.State.normal)
button.backgroundColor = colorLiteral(red: 1.0, green: 1.0, blue: 1.0, alpha: 1.0) // white
} else {
button.setTitle("", for: UIControl.State.normal)
button.backgroundColor = card.isMatched ? colorLiteral(red: 1, green: 1, blue: 1, alpha: 0) : colorLiteral(red: 1, green: 0.5763723254, blue: 0, alpha: 1) // true: transparent, false: orange
}
}
}
func emoji(for card: Card) -> String {
return "?"
}
}import Foundation
class Concentration {
var cards = Array()
func chooseCard(at index: Int) {
if cards[index].isFaceUp {
cards[index].isFaceUp = false
} else {
cards[index].isFaceUp = true
}
}
init(numberOfPairsOfCards: Int) {
for _ in 1...numberOfPairsOfCards {
let card = Card()
cards += [card, card]
}
// TODO: Shuffle the cards
}
}import Foundation
struct Card {
var isFaceUp = false
var isMatched = false
var identifier: Int
static var identifierFactory = 0
static func getUniqueIdentifier() -> Int {
identifierFactory += 1
return identifierFactory
}
init(){
self.identifier = Card.getUniqueIdentifier()
}
}