notes from animation tutorials

Animation Tutorial Notes

Fixes for animation tutorial

chapter13.swift

      self.bounceOffPoint(bouncePoint, morphSize: morphSize)
  ==>       self.bounceOff(point: point, morphSize: morphSize)

chapter3.swift

func animateCloud(cloud: UIImageView) {
  //NOTE: use conventional formula for speed and time
    let speed = self.view.frame.size.width / 60
    let duration = (view.frame.size.width - cloud.frame.origin.x) / speed
    
    UIView.animate(withDuration: TimeInterval(duration), delay: 0.0, options: [.curveLinear], animations: { 
      cloud.frame.origin.x = self.view.frame.width
    }) { _ in
      cloud.frame.origin.x = -cloud.frame.size.width
      self.animateCloud(cloud: cloud)
    }
  }

delay(seconds: 2.0) { 
  ==>
  delay(2.0) {

chapter4.swift

CGAffineTransform(scaleX: 1.0, y: 0.1).concat 
  ==> CGAffineTransform(scaleX: 1.0, y: 0.1).concatenating

auxLabel.backgroundColor = UIColor.clear()
  ==> auxLabel.backgroundColor = UIColor.clear

chapter9.swift

info.layer.addAnimation(flyLeft, forKey: "infoappear")
  ==> info.layer.add(flyLeft, forKey: "infoappear")