Random In
func randomNumberIn(range:Range<Int>)->Int
{
let result = 0
let random = range.minElement()! + Int(arc4random_uniform(UInt32((range.maxElement()!+1) - range.minElement()!)))
if random != 0
{
return random
}
return result
}bv:
let r = randomNumberIn(0...255)
let g = randomNumberIn(0...255)
let b = randomNumberIn(0...255)
backgroundColor = UIColor(red: r, green: g, blue: b)gameplaykit
let source = GKPerlinNoiseSource(
frequency:2,
octave:3,
persistance: 0.5,
lacunarity: 2
)
let noise = GKNoise(source)