猜拳App

還沒能做得出來 TextView 可以隨著新增文字Auto Scroll to Bottom

random
button.setTitle
button.setImage
OutletCollections
textView.append
textView.text
textView.textAlignment
textView.font
textView.isEditable

@IBOutlet var chooseButton: [UIButton]!
@IBOutlet weak var selfImageView: UIImageView!
@IBOutlet weak var enemyImageView: UIImageView!
@IBOutlet weak var winLabel: UILabel!
@IBOutlet weak var loseLabel: UILabel!
@IBOutlet weak var textView: UITextView!
let imageView = ["paper","stone","scissors"] //布、石頭、剪刀 的圖片名稱 陣列
let buttonTitle = ["0","1","2"] //給布、石頭、剪刀 的數字的字串標題 陣列 對應圖片名稱陣列的 0,1,2
var score = 0 //計分數
var round = 0 //計局數
var winCount = 0 //計勝次
var loseCount = 0 //計敗次

@IBAction func buttonChoose(_ sender: UIButton) {
let enemyRandom = Int.random(in: 0...2)
enemyImageView.image = UIImage(named: imageView[enemyRandom])
for i in 0...2 {
chooseButton[i].setImage(UIImage(named: imageView[i]), for: UIControl.State.normal) //設置選項button的圖片
chooseButton[i].setTitle(buttonTitle[i], for: UIControl.State.normal) //設置選項button的Title
}
selfImageView.image = sender.currentImage //將點選的button的圖片 存到 要顯示的ImageView
let senderValue = Int(sender.currentTitle!)
round += 1

switch enemyRandom {
        case 0:
            switch senderValue {
            case 0:
                textView.text.append("\n"+"哇嗚～平手")
            case 1:
                textView.text.append("\n"+"很可惜～輸了")
                score -= 10
                loseCount += 1
            default:
                textView.text.append("\n"+"運氣不錯～贏了")
                score += 10
                winCount += 1
            }
        case 1:
            switch senderValue {
            case 0:
                textView.text.append("\n"+"運氣不錯～贏了")
                score += 10
                winCount += 1
            case 1:
                textView.text.append("\n"+"哇嗚～平手")
            default:
                textView.text.append("\n"+"很可惜～輸了")
                score -= 10
                loseCount += 1
            }
        default:
            switch senderValue {
            case 0:
                textView.text.append("\n"+"很可惜～輸了")
                score -= 10
                loseCount += 1
            case 1:
                textView.text.append("\n"+"運氣不錯～贏了")
                score += 10
                winCount += 1
            default:
                textView.text.append("\n"+"哇嗚～平手"+"")
            }
        }
        
        //排除首場輸掉導致負分的情況
        if score < 0 {
            score = 0
        }
        
        textView.textAlignment = .center
        textView.font = UIFont.boldSystemFont(ofSize: 20)
        textView.isEditable = false
        
        textView.text.append("\n"+"第\(round)局,目前得分\(score)"+"\n")
        
        winLabel.text = "勝:\(winCount)"
        loseLabel.text = "敗:\(loseCount)"
    }