#8 甜蜜的 Apple Pie (恐怖的 Hangman)

程式碼 View controller.swift

import UIKit
class ViewController: UIViewController {
var listOfWords = [ “swift” , “glorious” , “buccaneer” , “incandescent” , “bug” , “program” ] //答案
let incorrectMovesAllowed = 7 //猜7次
var totalWins = 0 { //總贏數，贏了就下一題
didSet {
newRound()
}
}
var totalLesses = 0 { //總輸數 ，輸了就下一題
didSet {
newRound()
}
}
var currentGame : Game! //不知道物件實體內容所以先給值
@IBOutlet weak var treeImageView: UIImageView!
@IBOutlet weak var correctLabel: UILabel!
@IBOutlet weak var scoreLabel: UILabel!
@IBOutlet var letterButtons: [UIButton]!
@IBAction func buttonPressed(_ sender: UIButton) {
sender.isEnabled = false //是否啟用
let letterString = sender.title(for: .normal)! //標題正常顯示(大寫)
let letter = Character(letterString.lowercased()) //轉成小寫
self.currentGame.playerguessed(letter: letter) //猜的玩家 猜一個變一個小寫
updateGameState() //更新畫面輸幾分，贏幾分
}
override func viewDidLoad() {
super.viewDidLoad()
newRound() //重新開始
}
func newRound () { //是否空的 如果是空的的相反 就是有值 就啟用
if !self.listOfWords.isEmpty {
let newWord = self.listOfWords.removeFirst()
self.currentGame = Game.init(word: newWord, incorrectMovesRemaining: self.incorrectMovesAllowed, guessedLetters: [])
enableLetterButtons(true)
updateUI()
}
else {
enableLetterButtons(false)
}
}
func updateUI () {
var letters : [String] = [“”]
for letter in self.currentGame.formattedWord { //轉型成String
letters.append(String(letter))
}
let wordWithSpacing = letters.joined(separator: “ “) //再加空格
self.correctLabel.text = wordWithSpacing
self.scoreLabel.text = “Wins: \(self.totalWins) Lesses: \(self.totalLesses) “ //顯示輸贏
self.treeImageView.image = UIImage(named: “Tree \(self.currentGame.incorrectMovesRemaining)”) //顯示剩幾次機會
}
func updateGameState() {
if self.currentGame.incorrectMovesRemaining == 0 {
self.totalLesses += 1
}
else if self.currentGame.word == self.currentGame.formattedWord {
self.totalWins += 1
}
else {
updateUI()
}
}
func enableLetterButtons ( _ enable: Bool ) { //把isEnabled 寫在同一個方法比較清楚
for button in self.letterButtons {
button.isEnabled = enable
}
}
}

程式碼 Game.swift

import Foundation
struct Game {
var word : String //答案題目
var incorrectMovesRemaining : Int //幾次機會
var guessedLetters : [ Character ] //猜的字母
mutating func playerguessed ( letter : Character ) { //玩家猜的字母轉成小寫
self.guessedLetters.append(letter) //依序放進猜字母裡面
if !self.word.contains(letter) { //如果題目裡面沒有包含猜的字母就減一
self.incorrectMovesRemaining -= 1
}
}
var formattedWord : String { //正確顯示，錯誤空格
var guessedWord = “”
for letter in self.word {
if self.guessedLetters.contains(letter) {
guessedWord += “\(letter)”
}
else {
guessedWord += “_”
}
}
return guessedWord
}
}

TingKai-Chen/Peter_Homework8-1