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import UIKit
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import QuartzCore
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// 动画代理类，用于回调
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class AnimationDelegate: NSObject, CAAnimationDelegate {
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var start: (() -> Void)?
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var end: (() -> Void)?
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init(start: (() -> Void)?, end: (() -> Void)?) {
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self.start = start
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self.end = end
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}
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func animationDidStart(_ anim: CAAnimation) {
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start?()
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}
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func animationDidStop(_ anim: CAAnimation, finished flag: Bool) {
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end?()
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}
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}
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// 扩展CGFloat以支持角度到弧度的转换
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extension CGFloat {
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func toRadians() -> CGFloat {
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return self * .pi / 180.0
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}
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}
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class xdAnimation {
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// 平移动画
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static func translate(
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view: UIView,
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duration: TimeInterval = 1.0,
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delay: TimeInterval = 0,
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translation: Int = 0, // 0平行移x,1平移y,2平移x,y
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fromLen: CGFloat = 0,
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len: CGFloat = 0,
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loop: Int = 0,
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start: (() -> Void)? = nil,
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end: (() -> Void)? = nil
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) {
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let timingFunction: CAMediaTimingFunction = CAMediaTimingFunction(name: .easeInEaseOut)
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// 创建动画
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let animation: CAPropertyAnimation
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switch translation {
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case 1: // Y轴平移
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let basicAnimation = CABasicAnimation(keyPath: "transform.translation.y")
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basicAnimation.fromValue = fromLen
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basicAnimation.toValue = len
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animation = basicAnimation
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case 2: // XY轴同时平移
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let keyframeAnimation = CAKeyframeAnimation(keyPath: "position")
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let path = CGMutablePath()
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let startPoint = CGPoint(x: view.frame.origin.x + fromLen, y: view.frame.origin.y + fromLen)
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let endPoint = CGPoint(x: view.frame.origin.x + len, y: view.frame.origin.y + len)
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path.move(to: startPoint)
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path.addLine(to: endPoint)
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keyframeAnimation.path = path
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animation = keyframeAnimation
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default: // X轴平移
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let basicAnimation = CABasicAnimation(keyPath: "transform.translation.x")
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basicAnimation.fromValue = fromLen
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basicAnimation.toValue = len
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animation = basicAnimation
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}
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// 设置基本属性
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animation.duration = duration
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animation.beginTime = CACurrentMediaTime() + delay
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animation.timingFunction = timingFunction // 设置时间曲线
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animation.isRemovedOnCompletion = false // 动画结束后不要移除
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animation.fillMode = .forwards // 保持动画最后一帧
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// 设置循环
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if loop == -1 {
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animation.repeatCount = .infinity
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} else {
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animation.repeatCount = Float(loop)
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}
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// 添加动画
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CATransaction.begin()
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CATransaction.setCompletionBlock {
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end?()
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}
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start?()
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view.layer.add(animation, forKey: "translation")
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CATransaction.commit()
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}
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static func rotate(view: UIView,
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duration: TimeInterval = 1.0,
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delay: TimeInterval = 0.0,
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fromDeg: CGFloat = 0.0,
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deg: CGFloat = 360.0,
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loop: Int = 0,
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start: (() -> Void)? = nil,
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end: (() -> Void)? = nil) {
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// 创建旋转动画
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let timingFunction: CAMediaTimingFunction = CAMediaTimingFunction(name: .linear)
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let rotation = CABasicAnimation(keyPath: "transform.rotation")
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rotation.fromValue = fromDeg * .pi / 180.0 // 将度数转为弧度
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rotation.toValue = deg * .pi / 180.0 // 将度数转为弧度
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rotation.duration = duration
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rotation.beginTime = CACurrentMediaTime() + delay
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rotation.isCumulative = true
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rotation.timingFunction = timingFunction // 设置时间曲线
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rotation.isRemovedOnCompletion = false // 动画结束后不要移除
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rotation.fillMode = .forwards // 保持动画最后一帧
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// 设置循环次数
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if loop == -1 {
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rotation.repeatCount = .infinity
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} else {
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rotation.repeatCount = Float(loop)
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}
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// 开始时的回调
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if let startAction = start {
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DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
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startAction()
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}
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}
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// 使用 CATransaction 来处理动画完成后的回调
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CATransaction.begin()
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// 设置动画完成时的回调
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CATransaction.setCompletionBlock {
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end?()
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}
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// 添加动画到视图的层上
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view.layer.add(rotation, forKey: "rotationAnimation")
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// 提交事务
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CATransaction.commit()
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}
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// 缩放动画
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static func scale(view: UIView,
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duration: TimeInterval = 1.0,
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delay: TimeInterval = 0.0,
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direction: Int = 0,
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fromScale: CGFloat = 0.0,
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scale: CGFloat = 1.0,
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loop: Int = 0,
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start: (() -> Void)? = nil,
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end: (() -> Void)? = nil) {
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// 创建动画集合
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var scaleAnimations = [CABasicAnimation]()
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switch direction {
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case 1: // 竖直缩放 (Y轴)
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let scaleY = CABasicAnimation(keyPath: "transform.scale.y")
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scaleY.fromValue = fromScale
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scaleY.toValue = scale
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scaleAnimations = [scaleY]
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case 2: // XY轴同时缩放
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let scaleX = CABasicAnimation(keyPath: "transform.scale.x")
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scaleX.fromValue = fromScale
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scaleX.toValue = scale
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let scaleY = CABasicAnimation(keyPath: "transform.scale.y")
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scaleY.fromValue = fromScale
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scaleY.toValue = scale
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scaleAnimations = [scaleX, scaleY]
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default: // 水平缩放 (X轴)
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let scaleX = CABasicAnimation(keyPath: "transform.scale.x")
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scaleX.fromValue = fromScale
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scaleX.toValue = scale
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scaleAnimations = [scaleX]
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}
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// 设置动画属性
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for animation in scaleAnimations {
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animation.duration = duration
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animation.beginTime = CACurrentMediaTime() + delay
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animation.isCumulative = true
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animation.timingFunction = CAMediaTimingFunction(name: .easeInEaseOut) // 设置时间曲线
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animation.isRemovedOnCompletion = false // 动画结束后不要移除
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animation.fillMode = .forwards // 保持动画最后一帧
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if loop == -1 {
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animation.repeatCount = .infinity
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} else {
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animation.repeatCount = Float(loop)
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}
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}
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// 使用 CATransaction 来管理动画的开始和结束
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CATransaction.begin()
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// 动画开始时的回调
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if let startAction = start {
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DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
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startAction()
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}
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}
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// 设置动画完成时的回调
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CATransaction.setCompletionBlock {
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end?()
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}
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// 添加动画到视图的层上
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var i=0
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for animation in scaleAnimations {
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view.layer.add(animation, forKey: "scaleAnimation"+i.toString())
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i+=1;
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}
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// 提交事务
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CATransaction.commit()
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}
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private func deg2rad(_ degree: CGFloat) -> CGFloat {
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return degree * .pi / 180
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}
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// 3D翻转动画
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static func flip3D(
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view: UIView,
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duration: TimeInterval = 1.0,
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delay: TimeInterval = 0.0,
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axis: Int = 1,
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fromDeg: CGFloat = 0.0, // 旋转角度
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deg: CGFloat = 180.0, // 旋转角度
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loop: Int = 0,
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cameraDistance: CGFloat = 8.0,
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scaleZ: CGFloat = 0.8,
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start: (() -> Void)? = nil,
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end: (() -> Void)? = nil) {
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let adjustedDeg: CGFloat = deg
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// 设置3D透视效果
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var transform = CATransform3DIdentity
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transform.m34 = -1.0 / cameraDistance
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view.layer.transform = transform
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// 根据旋转轴选择旋转方式
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var rotationTransform: CATransform3D
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if axis == 1 { // 绕Y轴旋转
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rotationTransform = CATransform3DMakeRotation(fromDeg.toRadians(), 0, 1, 0)
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} else { // 绕X轴旋转
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rotationTransform = CATransform3DMakeRotation(fromDeg.toRadians(), 1, 0, 0)
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}
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// 设置初始角度
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view.layer.transform = rotationTransform
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// 执行动画
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UIView.animate(
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withDuration: duration,
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delay: delay,
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options: [.curveLinear],
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animations: {
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start?() // 执行开始时的回调
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// 计算目标角度
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let finalTransform: CATransform3D
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if axis == 1 { // 绕Y轴旋转
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finalTransform = CATransform3DMakeRotation(adjustedDeg.toRadians(), 0, 1, 0)
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} else { // 绕X轴旋转
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finalTransform = CATransform3DMakeRotation(adjustedDeg.toRadians(), 1, 0, 0)
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}
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// 添加Z轴缩放效果
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let scaleTransform = CATransform3DScale(finalTransform, 1, 1, scaleZ)
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view.layer.transform = scaleTransform
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},
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completion: { finished in
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if loop > 1 {
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// 如果需要循环，递归调用
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flip3D(
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view: view,
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duration: duration,
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delay: delay,
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axis: axis,
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fromDeg: adjustedDeg,
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deg: fromDeg,
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loop: loop - 1,
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cameraDistance: cameraDistance,
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scaleZ: scaleZ,
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start: start,
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end: end
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)
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} else {
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end?() // 执行结束时的回调
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}
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}
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)
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}
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}
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