buttonspring

//
//  ViewController.swift
//  DemoApp
//
//  Created by Chris on 01/10/2015.
//  Copyright © 2015 Chris. All rights reserved.
//

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var aButton: UIButton!
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }


    @IBAction func clickFunction(sender: UIView) {

        animateButton(sender, step: 2)

    }


    func animateButton(aButton: UIView ,step: Int)
    {
        let origin:CGFloat = 101
        let newY = aButton.frame.origin.y - aButton.frame.size.height * 0.2
        let newYa = aButton.frame.origin.y - aButton.frame.size.height * 0.25// Here we are figuring out what the new y-position should be
        let newYab = aButton.frame.origin.y - aButton.frame.size.height

        var transform: CGAffineTransform
        if(aButton.frame.size.height > 75){
            UIView.animateWithDuration(0.4, animations: { () -> Void in
                aButton.transform = CGAffineTransformMakeScale(1, 1.2)
                aButton.frame.origin = CGPointMake(aButton.frame.origin.x, newY) // Here we are changing the button's origin to our newly calculated y-position
                }, completion:
                {
                    (finished) in
                    UIView.animateWithDuration(0.4, animations: { () -> Void in
                        aButton.transform = CGAffineTransformMakeScale(1, 0.25)
                        aButton.frame.origin = CGPointMake(aButton.frame.origin.x, origin + newYa) // Here we are changing the button's origin to our newly calculated y-position


                    })
                }
            )
        }else{
            UIView.animateWithDuration(0.4, animations: { () -> Void in
                aButton.transform = CGAffineTransformMakeScale(1, 0.1)
                aButton.frame.origin = CGPointMake(aButton.frame.origin.x, origin + newYab) // Here we are changing the button's origin to our newly calculated y-position
                }, completion:
                {
                    (finished) in
                    UIView.animateWithDuration(0.4, animations: { () -> Void in
                      //  aButton.transform = CGAffineTransformMakeScale(1, 0.25)
                       // aButton.frame.origin = CGPointMake(aButton.frame.origin.x, origin + newYa) // Here we are changing the button's origin to our newly calculated y-position
                    })
                }
            )

        }

    }




    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }




}