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Jack Colosky
Courses Plus Student 2,263 PointsWhen I call the fireAtEnemy method on the instance tower, I get the error expected declaration
Here is my code : struct Point { let x:Int let y:Int
init (x: Int, y: Int) {
self.x = x
self.y = y
}
func surroundingPoints(withRange range: Int = 1) -> [Point] {
var results:[Point] = []
for xCoord in (x-range)...(x+range) {
for yCoord in (y-range)...(y+range) {
let coordinatePoint = Point(x: xCoord, y:yCoord)
results.append(coordinatePoint)
}
}
return results
}
}
let coordinatePoint = Point (x: 2, y: 2) // Point instance
coordinatePoint.surroundingPoints() // We call the instance coordinatePoint of the function surroundingPoint that gives us all of our values
class Enemy { var life: Int = 2 let position: Point
init(x: Int, y: Int) {
self.position = Point(x: x, y: y)
}
func decreaseHealth(factor: Int) {
life -= factor
}
class Tower { let position : Point var range : Int = 1 var strength : Int = 1
init(x: Int, y: Int) {
self.position = Point(x: x, y: y)
}
func fireAtEnemy(enemy: Enemy) {
if inRange(self.position, range: self.range, target: enemy.position) {
while enemy.life > 0 {
enemy.decreaseHealth(self.strength)
print("Enemy dead!")
}
} else {
print("Enemy is out of range")
}
}
func inRange(position: Point, range: Int, target: Point) -> Bool {
let availblePositions = position.surroundingPoints(withRange: range)
//This is an instance method
for point in availblePositions {
if (point.x == target.x) && (point.y == target.y) {
return true
}
}
return false
}
}
let tower = Tower(x: 0, y: 0) let enemy = Enemy(x: 1, y: 1)
tower.fireAtEnemy(enemy)
// This is the part that isn't working, pls help
1 Answer
Alia Khan
3,733 Pointslet tower = Tower(x: 0, y: 0)
let enemy = Enemy(x: 1, y: 1)
tower.fireAtEnemy(enemy: enemy)