iOS Build a Simple iPhone App with Swift Getting Started with iOS Development Swift Recap Part 2

haochi du
haochi du
2,750 Points

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class Point { var x: Int var y: Int

init(x: Int, y: Int){
    self.x = x
    self.y = y
}

}

class Machine { var location: Point

init() {
    self.location = Point(x: 0, y: 0)
}

func move(direction: String) {
    print("Do nothing! Im a machine!") /*I deleted the apostrophe in Im (I'm), and my code compiled... Don't know if anyone had this issue, but it wouldn't let me complete the challenge until I made this change. */
}

}

// Enter your code below

class Robot: Machine {

override init() {
    super.init()

}

//an alternative way to increase and decrease the x,y values is with the += and -=

override func move(direction: String) {
    switch direction{
        case "Up" : location.y += 1
        case "Down" : location.y -= 1
        case "Left" : location.x -= 1
        case "Right" : location.x += 1
    default : break
    }
}

}

robots.swift
class Point {
    var x: Int
    var y: Int

    init(x: Int, y: Int){
        self.x = x
        self.y = y
    }
}


class Machine {
    var location: Point

    init() {
        self.location = Point(x: 0, y: 0)
    }

    func move(direction: String) {
        print("Do nothing! Im a machine!") /*I deleted the apostrophe in Im (I'm), and my code compiled... Don't know if anyone had this issue, but it wouldn't let me complete the challenge until I made this change. */
    }
}

// Enter your code below

class Robot: Machine {


    override init() {
        super.init()
    }

//an alternative way to increase and decrease the x,y values is with the += and -=

    override func move(direction: String) {
        switch direction{
            case "Up" : location.y += 1
            case "Down" : location.y -= 1
            case "Left" : location.x -= 1
            case "Right" : location.x += 1
        default : break
        }
    }
}
Jason Anders
Jason Anders
Treehouse Moderator 145,084 Points

haochi du

Please edit your post to include a valid and descriptive Title. Also, when posting to the Community, a description of the problem you are having needs to be included in the body.
This keeps the Community organized and professional and allows other students to more successfully assist you... single letters do not.

Thank-you in advance for your cooperation.

Jason ~Treehouse Community Moderator