IOS-swift 动画02 CAKeyframeAnimation

CAKeyframeAnimation 关键帧动画

//
//  ViewController.swift
//  KeyframeAnimation
//
//  Created by 鲍东升 on 16/5/19.
//  Copyright © 2016年 鲍东升. All rights reserved.
//

import UIKit

class ViewController: UIViewController {

//MARK: - PropertyList
var lineActionView      :   UIView?
var circleAtcionView    :   UIView?

private lazy var lineKeyAnimation:CAKeyframeAnimation={
var val=CAKeyframeAnimation()
return val
}()

private lazy var circleKeyAnimation:CAKeyframeAnimation={
var val=CAKeyframeAnimation()
return val
}()

//MARK: -
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
prepareView(self.view)
}

func prepareView(view:UIView){
view.backgroundColor    = UIColor.orangeColor()
lineActionView          = UIView(frame: CGRect(x: 20, y: 100, width: 50, height: 50))
circleAtcionView        = UIView(frame: CGRect(x: 20, y: 200, width: 80, height: 50))
lineActionView?.backgroundColor     =   UIColor.cyanColor()
circleAtcionView?.backgroundColor   =   UIColor.purpleColor()
view.addSubview(lineActionView!)
view.addSubview(circleAtcionView!)
}

func toolAddAnimation2View(view:UIView,key:String,animation:CAKeyframeAnimation,procFunc:((CAKeyframeAnimation)->(CAKeyframeAnimation))) -> UIView {
view.layer.addAnimation(procFunc(animation), forKey: key)
return view
}

//MARK: - config

func configLineKeyAnimation(animation:CAKeyframeAnimation) -> CAKeyframeAnimation {
animation.keyPath   =   "position.x"
animation.values    =   [20,120,180,210,300,20]
animation.keyTimes  =   [0,0.2,0.7,0.8,0.9,1]
animation.duration  =   3
//动画开始前设置动画
animation.additive  =   true
return animation
}

func configCircleKeyAnimation(animation:CAKeyframeAnimation) -> CAKeyframeAnimation {
animation.keyPath   =   "position"
animation.path      =   UIBezierPath(ovalInRect: CGRect(x: 20, y: 200, width: 200, height: 200)).CGPath
animation.duration  =   3
animation.additive  =   true
animation.repeatCount   =   3
/*
kCAAnimationLinear     :   默认差值
kCAAnimationDiscrete   :   逐帧显示
kCAAnimationPaced      :   匀速 无视keyTimes
kCAAnimationCubic      :   keyValue之间曲线平滑 可用 tensionValues,continuityValues,biasValues 调整
kCAAnimationCubicPaced :   keyValue之间平滑差值 无视keyTimes
*/
animation.calculationMode   =   kCAAnimationPaced //无视keytimes
/*
kCAAnimationRotateAuto         :   自动
kCAAnimationRotateAutoReverse  :   自动翻转
不设置则不旋转
*/
animation.rotationMode  =   kCAAnimationRotateAuto

return animation
}

override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
toolAddAnimation2View(lineActionView!, key: "lineKeyAnimation", animation:lineKeyAnimation, procFunc: configLineKeyAnimation)
toolAddAnimation2View(circleAtcionView!, key: "circlceKeyAnimation", animation:circleKeyAnimation, procFunc: configCircleKeyAnimation)
}

}