翻页动画加个老虎机特效（先后时差）

sources/AnimateNSTextView.swift

@@ -16,6 +16,7 @@ class AnimateNSTextView: NSTextField {
   var animationDuration: Double = 0.2
   var animationInterruptType = "smooth"
   private var oldTextLayer = CATextLayer()
+  var i = 0
 
   //转换传入的字符串为CAMediaTimingFunctionName格式
   var animationTypeStr: String = "easeOut" {
@@ -105,16 +106,18 @@ class AnimateNSTextView: NSTextField {
       oldLayerAnimation.duration = 0.2
       oldLayerAnimation.fillMode = .forwards
       oldLayerAnimation.isRemovedOnCompletion = true
+      oldLayerAnimation.timingFunction = CAMediaTimingFunction(name: .easeOut) // 动画缓动函数
       oldTextLayer.add(oldLayerAnimation, forKey: nil)
 
 
       // 新layer（自有layer）入场动画
       let layerAnimation = CABasicAnimation(keyPath: "position.y")
       layerAnimation.fromValue = self.frame.origin.y - self.frame.height*CGFloat(isTurning)
       layerAnimation.toValue = self.frame.origin.y // 向上移动20个单位
-      layerAnimation.duration = 0.2
+      layerAnimation.duration = 0.3 +  CGFloat(i) * 0.2
 //      layerAnimation.fillMode = .forwards
       layerAnimation.isRemovedOnCompletion = true
+      layerAnimation.timingFunction = CAMediaTimingFunction(name: .easeIn) // 动画缓动函数
       newTextLayer.add(layerAnimation, forKey: nil)
 
 

sources/SquirrelPanel.swift

@@ -628,7 +628,8 @@ private extension SquirrelPanel {
         animateNSTextView.animationTypeStr = theme.candidateAnimationType
         animateNSTextView.animationDuration = theme.candidateAnimationDuration
         animateNSTextView.animationInterruptType = theme.candidateAnimationInterruptType
-        animateNSTextView.page = page 
+        animateNSTextView.page = page
+        animateNSTextView.i = i
         //        animateNSTextView.textContentStorage?.attributedString = lines[i] //如果是NSTextView用这个
         animateNSTextView.attributedStringValue = lines[i] //更新视图字符串
 //        print("更新前lines[i]:[\(lines[i].string)]")