laevandus

import SpriteKit

extension SKSpriteNode {
    /// Initializes a textured sprite with a glow using an existing texture object.
    convenience init(texture: SKTexture, glowRadius: CGFloat) {
        self.init(texture: texture, color: .clear, size: texture.size())
        
        let glow: SKEffectNode = {
            let glow = SKEffectNode()
            glow.addChild(SKSpriteNode(texture: texture))

laevandus

extension ClosedRange where Bound: BinaryFloatingPoint {
    var random: Bound {
        let ratio = Bound(arc4random_uniform(UInt32.max)) / Bound(UInt32.max - 1)
        let offset = (upperBound - lowerBound) * ratio
        return lowerBound + offset
    }
}

laevandus

extension ClosedRange where Bound: BinaryInteger {
    var random: Bound {
        let offset = arc4random_uniform(UInt32(upperBound - lowerBound) + 1)
        return lowerBound + Bound(offset)
    }
}

laevandus

let randomDouble: Double = (-0.3...0.9).random
let randomCGFloat: CGFloat = (-0.9...0.9).random
let randomInt: Int = (-9...3).random
let randomUInt: UInt = (3...9).random

laevandus

enum Scene {
    case home
    case level(Int)
    case levelSelection
}

extension Scene: RawRepresentable {
    typealias RawValue = String
    
    init?(rawValue: String) {

laevandus

import Foundation
import ReactiveSwift

final class Pantry {
    let jams = MutableProperty([Jam(flavour: .apple)])
    
    func add(jam: Jam) {
        jams.value.append(jam)
    }
}

laevandus

final class ViewController: UIViewController {

    @IBOutlet weak var textView: UITextView!
    let pantry = Pantry()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // SignalProducer runs the closure immediately.
        pantry.jams.producer.startWithValues { [weak self] (jams) in

laevandus

final class Observable<T> {
    init(_ value: T) {
        self.value = value
    }
    
    var value: T {
        didSet {
            changeHandlers.forEach({ $0.handler(value) })
        }
    }

laevandus

final class Pantry {
    let jams = Observable([Jam(flavour: .apple)])
    
    func add(jam: Jam) {
        jams.value.append(jam)
    }
}

struct Jam {
    enum Flavour: String {

laevandus

module CommonCrypto [system] {
    header "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include/CommonCrypto/CommonCrypto.h"
    export *
}