override func touchesMoved(touches: NSSet, withEvent event: UIEvent)
{
for touch: AnyObject in touches
{
let location = touch.locationInNode(self)
drawMyAwesomeLadder(location)
}
}
func drawMyAwesomeLadder(location : CGPoint)
{
var newNode = SKSpriteNode(texture: SKTexture(imageNamed: "ladder"))
newNode.position = location
view.addChild(newNode) // view here is your SKView
}