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Start your free trialRay Hiera
1,870 Pointsuse of unresolved identifier x , y
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 {
let isRobot: Bool = true
override func move (direction: String) {
switch direction { case "Up": y++ case "Down": y-- case "Left": x-- case "Right": x++ 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 {
let isRobot: Bool = true
override func move (direction: String) {
switch direction {
case "Up":
y++
case "Down":
y--
case "Left":
x--
case "Right":
x++
default:
break
}
}
}
2 Answers
Sid b
15,346 PointsIn your switch statement, you need to call x, y on your location variable and assign a new value.
Reed Carson
8,306 Pointsit doesnt know what x and y are. Those are properties of your location variable so you need to access it that way
Ray Hiera
1,870 PointsThank you for your help Reed. It helped me to solve the problem
Ray Hiera
1,870 PointsRay Hiera
1,870 PointsThanks Sid for your help.