我有2个动画应用于CAShapeLayer(我们将其命名为pulseLayer)，代码如下:letscaledAnimation=CABasicAnimation(keyPath:"transform.scale.xy")scaledAnimation.duration=0.75scaledAnimation.repeatCount=Float.infinityscaledAnimation.autoreverses=truescaledAnimation.fromValue=4scaledAnimation.toValue=4scaledAnimation.timingFunctio