lucasprag

// omitted
class GameScene: SKScene {
    // omitted
    var enemies = [SKSpriteNode]()
    
    override func update(delta: CFTimeInterval) {
        // loop all enemies and make then walk to collide with the player
        for enemy in enemies {
            enemy.position = CGPoint(x: Double(enemy.position.x) - 5, y: Double(enemy.position.y))
        }

lucasprag

// omitted
class GameScene: SKScene {
    // omitted
    
    // timers
    var lastTime = 0
    var currentTime = 0
    
    override func update(delta: CFTimeInterval) {
        // loop all enemies and make then walk to collide with the plyer

lucasprag

// omitted
class GameScene: SKScene, SKPhysicsContactDelegate {
    // omitted
    
    override func didMoveToView(view: SKView) {
        // tell the physics world that the class the implements
        // the SKPhysicsContactDelegate is the GameScene
        physicsWorld.contactDelegate = self
        
        setupFloor()

lucasprag

// omitted
class GameScene: SKScene, SKPhysicsContactDelegate {
    // omitted
    
    func didBeginContact(contact: SKPhysicsContact) {
        if (contact.bodyA.node!.name == "player" && contact.bodyB.node!.name == "enemy") {
            gameOver()
        }
    }
    

lucasprag

import SpriteKit

class GameOverScene: SKScene {
    
    override init(size: CGSize) {
        super.init(size: size)
        
        // change the background of the scene to be black
        backgroundColor = SKColor.blackColor()
        

lucasprag

// omitted
class GameScene: SKScene, SKPhysicsContactDelegate {
  // omitted
  func gameOver() {
      player.removeFromParent()
      for enemy in enemies {
        enemy.removeFromParent()
      }
      // transition effect that seems like doors opening
      let reveal = SKTransition.doorsOpenHorizontalWithDuration(0.5)

lucasprag

class KeyChain
  def initialize(door)
    @door = door
  end

  def get
    if door == :bedroom
      generate_bedroom_key
    elsif door == :front_door
      generate_front_door_key

lucasprag

class KeyChain
  def initialize(door)
    @door = door
  end

  def get
    send(door)
  end

  private

lucasprag

class BedroomKeyGenerator
  def self.generate
    "algorithm of bedroom key" * 3
  end
end

class FrontDoorKeyGenerator
  def self.generate
    "algorithm of front_door key" * 3
  end

lucasprag

Rails.application.routes.draw do
  root 'blog#index'
end