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Start your free trialperpetual makayi
8,441 Pointsbuilding a simple iphone app swift 3
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 func move(direction: String) { switch direction { case "Up": self.location = (Point(x: 0, y: 1)) case "Down": self.location = (Point(x: 0, y: -1)) case "Left": self.location = (Point(x: -1, y: 0)) case "Right": self.location = (Point(x: 1, y: 0)) default: break } } } hi can anyone assist me where & what im doing wrong im stuck for days
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 func move(direction: String) {
switch direction {
case "Up":
self.location = (Point(x: 0, y: 1))
case "Down":
self.location = (Point(x: 0, y: -1))
case "Left":
self.location = (Point(x: -1, y: 0))
case "Right":
self.location = (Point(x: 1, y: 0))
default: break
}
}
}
1 Answer
Jeff McDivitt
23,970 PointsYou were close on this one; here is the answer
class Robot: Machine {
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
}
}
}