使用 CAKeyframeAnimation 延迟 UIView 的动画开始?
Delay start of animation for UIView with CAKeyframeAnimation?
以下代码是从另一个 SO 答案中提取的,但是是否可以延迟此 CAKeyframeAnimation
动画的开始,类似于 UIView 的 animateWithDuration
提供 delay
[=21] =]?
根据 class 文档,CAKeyframeAnimation
class 似乎不包含延迟 属性。
let animation = CAKeyframeAnimation(keyPath: "transform.translation.x")
animation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
animation.duration = 1.0
animation.repeatCount = 2
animation.values = [-10, 10, -10, 10, -5, 5, -2, 2, 0]
view.layer.addAnimation(animation, forKey: "shake")
你可以试试这个东西。试图延迟动画的开始时间。
animation.beginTime = CACurrentMediaTime() + 5.0 // change to your custom delay.
以下代码是从另一个 SO 答案中提取的,但是是否可以延迟此 CAKeyframeAnimation
动画的开始,类似于 UIView 的 animateWithDuration
提供 delay
[=21] =]?
根据 class 文档,CAKeyframeAnimation
class 似乎不包含延迟 属性。
let animation = CAKeyframeAnimation(keyPath: "transform.translation.x")
animation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
animation.duration = 1.0
animation.repeatCount = 2
animation.values = [-10, 10, -10, 10, -5, 5, -2, 2, 0]
view.layer.addAnimation(animation, forKey: "shake")
你可以试试这个东西。试图延迟动画的开始时间。
animation.beginTime = CACurrentMediaTime() + 5.0 // change to your custom delay.