Swift Sprite Kit easy to create bullet

Swift Sprite Kit

Easy create bullet

How to easy create bullet like picture

1. Create SkSpriteNode

   var bullet = SKSpriteNode()

2. Add SKSpriteNode to View

   func bulletFire(){
   bullet = SKSpriteNode(color: UIColor.green, size: CGSize(width: 5, height: 50))
   bullet.name = "fireBullet"
   addChild(bullet)
   bullet.zPosition = 2
   let move = SKAction.moveTo(y: self.frame.height, duration: 1)
   bullet.run(move)
   }

3. Set remove Node after Node leave View

   self.enumerateChildNodes(withName: "fireBullet") { (node : SKNode, nil) in
   if node.position.y > self.frame.height / 2 {
    node.removeFromParent()
   }
   }

4. Add Node to TouchesBegin

   override func touchesBegan(_ touches: Set<uitouch>, with event: UIEvent?) {
       for t in touches {
           self.touchDown(atPoint: t.location(in: self))
           var pos : CGPoint = t.location(in: self)
       bulletFire()
   
   }
   }