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Start your free trialDavid Plakon
2,070 PointsWorks perfectly in X code, fails to pass the test.
class Robot: Machine {
override init() {
super.init()
self.location = Point(x: 0, y: 0)
}
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
}
}
}
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! I'm a machine!")
}
}
// Enter your code below
class Robot: Machine {
override init() {
super.init()
self.location = Point(x: 0, y: 0)
}
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
}
}
}
2 Answers
Michael Reining
10,101 PointsHi David,
You are close but there is a typo again. Do not capitalize the instructions in in the switch statement.
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! I'm a machine!")
}
}
// Enter your code below
class Robot: Machine {
override init() {
super.init()
self.location = Point(x: 0, y: 0)
}
override func move(direction: String) { // Use lowercase just as they asked you to
switch direction {
case "Up": location.y = location.y + 1 // Up vs. UP... etc.
case "Down": location.y -= 1
case "Left": location.x -= 1
case "Right": location.x += 1
default: break
}
}
}
I hope that helps,
Mike
PS: Thanks to the awesome resources on Team Treehouse, I launched my first app.
Now you can practice writing Swift code directly on your iPhone :-)
David Plakon
2,070 Pointsah sill mistake. Thanks again!