Why isn't my images popping up when I touch the screen?

Question

Can anyone help me, Im trying to make a simple app where you touch the screen and 4 images are randomly displayed. Problem is, when i tap the screen i don't get any image also I have no errors. Help! Here's my code: import SpriteKit class GameScene: SKScene { var num1 = SKSpriteNode(imageNamed: "num1") var num2 = SKSpriteNode(imageNamed: "num2") var num3 = SKSpriteNode(imageNamed: "num3") var num4 = SKSpriteNode(imageNamed: "num4") override func didMoveToView(view: SKView) { self.physicsWorld.gravity = CGVectorMake(0, -9.8) num1.size = CGSize(width: 150, height: 150) num2.size = CGSize(width: 150, height: 150) num3.size = CGSize(width: 150, height: 150) num4.size = CGSize(width: 150, height: 150) let sceneBody = SKPhysicsBody(edgeLoopFromRect: self.frame) sceneBody.friction = 0 self.physicsBody = sceneBody } override func touchesBegan(touches: Set, withEvent event: UIEvent?) { for touch: AnyObject in touches { _ = touch.locationInNode(self) let random = arc4random_uniform(4) switch random { case 0: self.addChild(num1) print("number 0") case 1: self.addChild(num2) print("number 1") case 2: self.addChild(num3) print("number 2") default: self.addChild(num4) print("default") } } } } JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

Answer 1

you are not setting the position where each sprite should appear Before each self.addChild(...) you should exec something like this numX.position = location and rearrange your touchesBegan method like this override func touchesBegan(touches: Set, withEvent event: UIEvent?) { var location for touch in touches { location = touch.locationInNode(self) } let random = arc4random_uniform(4) switch random { case 0: num1.position = location self.addChild(num1) print("number 0") case 1: num2.position = location self.addChild(num2) print("number 1") case 2: num3.position = location self.addChild(num3) print("number 2") default: num4.position = location self.addChild(num4) print("default") } }