CODEWITHSUNDEEP
iosrandomswift3xcode8
Ben M.
Ben M.

Reputation: 13

Generate random letter A-Z Swift

I am trying to create a tile-based word game using swift, and I need to randomize the letters that show up on the tiles (from A-Z). I have been reading about different ways to do this, but I haven't been able to make it work for a specific variable. I currently have a variable defined:

var availableTiles: [Character]!

Since I have been working on the layouts and interface, I have only manually input letters so far just to make sure they show up properly:

func randomizeAvailableLetter() {

    availableTiles = ["X", "B", "F", "H", "K", "V"]

}

As you can see, the letters that show up on the 6 tiles are just hardcoded in, but I need for these letters to be random. What would I replace the hardcoded part with in order to make the letters that show up randomized?

Upvotes: 0

Views: 4390

Answers (1)

Sash Sinha
Sash Sinha

Reputation: 22472

You could use a function that is something like this:

func randomizeAvailableLetters(tileArraySize: Int) -> Array<String> {
  let alphabet: [String] = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"]
  var availableTiles = [String]()
  for i in 0..<tileArraySize {
    let rand = Int(arc4random_uniform(26))
    availableTiles.append(alphabet[rand])
  }
  return(availableTiles)
}

print(randomizeAvailableLetters(tileArraySize: 6)) //["X", "B", "F", "H", "K", "V"]

Upvotes: 3

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