//
//  UIButton+Animation.swift
//  PaiAi
//
//  Created by zhengjianfei on 2017/3/29.
//  Copyright © 2017年 FFIB. All rights reserved.
//

import UIKit
extension UIButton {
    func addZoomAnimation() {
        let animation = CAKeyframeAnimation(keyPath: "transform")
        animation.duration = 0.3
        animation.repeatCount = 5
        let array = [NSValue(caTransform3D: CATransform3DMakeScale(0.8, 0.8, 1.0)), NSValue(caTransform3D: CATransform3DMakeScale(1.2, 1.2, 1.0)), NSValue(caTransform3D: CATransform3DMakeScale(0.8, 0.8, 1.0))]
        animation.values = array as [AnyObject]
        self.layer.add(animation, forKey: "")
    }
}