The count for superEnemy.life displays 2 not 50

let x1 = 0
let y1 = 0

let coordinate1: (x: Int, y: Int) = (0,0)
coordinate1.x

struct Point {
    let x: Int
    let y: Int

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

    /// Returns the surrounding points in range of
    /// the current one
    func points(inRange range: Int = 1) -> [Point]{
        var results = [Point]()

        let lowerBoundOfXRange = x - range
        let upperBoundOfXRange = x + range

        let lowerBoundOfYRange = y - range
        let upperBoundOfYRange = y + range

        for xCoordinate in lowerBoundOfXRange...upperBoundOfXRange {
            for yCoordinate in lowerBoundOfYRange...upperBoundOfYRange {
                let coordinatePoint = Point(x: xCoordinate, y: yCoordinate)
                results.append(coordinatePoint)
            }
        }

        return results
    }
}

let coordinatePoint = Point(x: 0, y: 0)

coordinatePoint.x
coordinatePoint.points()

// Enemies

class Enemy {
    var life: Int = 2
    let position: Point

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

    func decreaseLife(by factor: Int) {
        life -= factor
    }
}

class SuperEnemy: Enemy {

    let isSuper: Bool = true

    override init(x: Int, y: Int) {
        super.init(x: x, y: y)
        self.life = 50
    }
}

// Towers

class Tower {
    let position: Point
    var range: Int = 1
    var strenght: Int = 1

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

    func fire(at enemy: Enemy) {
        if isInRange(of: enemy) {
            enemy.decreaseLife(by: strenght)
            print("Gotcha")
        } else {
            print("Darn! Out of range!")
        }
    }

    func isInRange(of enemy: Enemy) -> Bool {
        let availablePositions = position.points(inRange: range)

        for point in availablePositions {
            if point.x == enemy.position.x && point.y == enemy.position.y {
                return true
            }
        }

        return false
    }
}


let tower = Tower(x: 0, y: 0)
let enemy = Enemy(x: 1, y: 1)
let superEnemy = Enemy(x: 1, y: 1)
superEnemy.life

tower.fire(at: enemy)