Swift勉強会#3 クラス操作

gistfile1.swift

// Playground - noun: a place where people can play

import UIKit

var str = "Hello, playground"

//クラスの勉強

//クラス宣言
class Player{
    
    var name:String
    var position:Point = Point(v:0,h:0)
    
    //外部変数名(position)と内部変数名(p)
    init(name:String, position p:Point){
        self.position = p
        self.name = name
    }
    
    func getName() -> String{
        return name
    }
    
    func move(p:Point){
        position = p
    }
    
    
    
}

var kiriki = Player(name:"s-kiriki", position:Point(v:1,h:2))
kiriki.getName() // s-kiriki


//演習問題
//BMIを計算し、判定するクラスをつくりたい
//BMI=体重/身長^2

class BMICalclator{
    
    var weight:Double
    var height:Double
    
    init(h:Double, w:Double){
        self.height = h/100
        self.weight = w
    }
    
    func calcBMI() -> Double{
        return self.weight/(self.height*self.height)
    }
    
    func judge() -> String{
        
        switch(self.calcBMI()){
        case 0..<18.5:
            return "痩せ"
        case 18.5..<25:
            return "標準"
        default:
            return "肥満"
        }
        
    }
    
}

var calculator = BMICalclator(h:178.0, w:80.0)
calculator.calcBMI()
calculator.judge()