49 lines
2.0 KiB
Swift
49 lines
2.0 KiB
Swift
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extension UIView {
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struct CircularGlowConfiguration {
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let size: CGFloat
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let color: UIColor
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let isAnimated: Bool
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let animationDuration: TimeInterval
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let offset: CGSize
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let opacity: Float
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let radius: CGFloat
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init(size: CGFloat, color: UIColor, isAnimated: Bool = false, animationDuration: TimeInterval = 0.25, offset: CGSize = CGSize(width: 0, height: 0.8), opacity: Float = isLightMode ? 0.4 : 1, radius: CGFloat) {
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self.size = size
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self.color = color
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self.isAnimated = isAnimated
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self.animationDuration = animationDuration
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self.offset = offset
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self.opacity = opacity
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self.radius = radius
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}
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}
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func setCircularGlow(with configuration: CircularGlowConfiguration) {
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let newSize = configuration.size
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let newPath = UIBezierPath(ovalIn: CGRect(origin: CGPoint.zero, size: CGSize(width: newSize, height: newSize))).cgPath
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if configuration.isAnimated {
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let pathAnimation = CABasicAnimation(keyPath: "shadowPath")
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pathAnimation.fromValue = layer.shadowPath
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pathAnimation.toValue = newPath
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pathAnimation.duration = configuration.animationDuration
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layer.add(pathAnimation, forKey: pathAnimation.keyPath)
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}
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layer.shadowPath = newPath
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let newColor = configuration.color.cgColor
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if configuration.isAnimated {
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let colorAnimation = CABasicAnimation(keyPath: "shadowColor")
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colorAnimation.fromValue = layer.shadowColor
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colorAnimation.toValue = newColor
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colorAnimation.duration = configuration.animationDuration
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layer.add(colorAnimation, forKey: colorAnimation.keyPath)
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}
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layer.shadowColor = newColor
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layer.shadowOffset = configuration.offset
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layer.shadowOpacity = configuration.opacity
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layer.shadowRadius = configuration.radius
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}
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}
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