swift 常用动画

一、位置变化动画

  UIView.animateWithDuration(1) {

            self.viKuai.center.x = self.view.bounds.width - self.viKuai.center.x

        }

        UIView.animateKeyframesWithDuration(1, delay: 0.5, options: [], animations: {

            self.viKuai2.center.y = self.view.bounds.height - self.viKuai2.center.y
           //self.viKuai3.center.x = self.view.bounds.width - self.viKuai3.center.x
          //self.viKuai3.center.y = self.view.bounds.height - self.viKuai3.center.y

            }, completion: nil)


        UIView.animateKeyframesWithDuration(1, delay: 1, options: [], animations: {

            //self.viKuai2.center.y = self.view.bounds.height - self.viKuai2.center.y
            self.viKuai3.center.x = self.view.bounds.width - self.viKuai3.center.x
            self.viKuai3.center.y = self.view.bounds.height - self.viKuai3.center.y

            }, completion: nil)

二、透明度动画

   UIView.animateWithDuration(1) {

            self.viKuang.alpha = 0.1

        }

三、大小变化动画

   UIView.animateWithDuration(1) {

            self.viKuang.transform = CGAffineTransformMakeScale(2, 2)

        }

四，颜色变化动画

     UIView.animateWithDuration(1) {

            self.viKuang.backgroundColor = UIColor.redColor()

            self.lb.textColor = UIColor.whiteColor()

        }

五、旋转动画

 func spin(){

        print("1=====%@",NSDate.init(timeIntervalSinceNow: 0))





        UIView.animateKeyframesWithDuration(1, delay: 0, options:.CalculationModeLinear, animations: {

            self.viKuang.transform = CGAffineTransformRotate(self.viKuang.transform, CGFloat(M_PI))



            }, completion: {(finished) -> Void in

                print("2=====%@",NSDate.init(timeIntervalSinceNow: 0))

                self.spin()    

                })
    }

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