回答編集履歴
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追記
test
CHANGED
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@@ -3,3 +3,129 @@
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[参考にでも](https://github.com/tyobigoro/tTransition)
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```swift
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// 遷移時の処理
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func animatePresentTransition(transitionContext: UIViewControllerContextTransitioning) {
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// 遷移元、遷移先、枠、アニメーション用のラベル画像を取得
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let green = transitionContext.viewController(forKey: UITransitionContextViewControllerKey.from) as! GreenVC
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let orange = transitionContext.viewController(forKey: UITransitionContextViewControllerKey.to) as! OrangeVC
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let container: UIView! = transitionContext.containerView
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let animationLabelImageView = UIImageView(image: green.label.getImage())
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// アニーメーションラベルの遷移元座標、遷移先座標を取得
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let fromFrame = container.convert(green.label.frame, from: green.view)
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let toFrame = container.convert(orange.label.frame, from: orange.view)
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// アニメーションラベルに遷移元座標を設定する
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animationLabelImageView.frame = fromFrame
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// 遷移先を用意する
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orange.view.frame = container.frame
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orange.view.alpha = .zero
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// 描画する
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container.addSubview(orange.view)
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container.addSubview(animationLabelImageView)
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// 実在するラベルの設定
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orange.label.isHidden = true
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green.label.isHidden = true
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// アニメーションしながら遷移元と遷移先を入れ替える
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UIView.animate(withDuration: duration, animations: {
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orange.view.alpha = 1.0
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animationLabelImageView.frame = toFrame
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}, completion: {_ in
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orange.label.isHidden = false
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green.removeFromParent()
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animationLabelImageView.removeFromSuperview()
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transitionContext.completeTransition(true)
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})
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}
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extension UIView {
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func getImage() -> UIImage{
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let rect = self.bounds
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UIGraphicsBeginImageContextWithOptions(rect.size, false, 0.0)
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let context: CGContext = UIGraphicsGetCurrentContext()!
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self.layer.render(in: context)
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let capturedImage : UIImage = UIGraphicsGetImageFromCurrentImageContext()!
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UIGraphicsEndImageContext()
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return capturedImage
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}
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}
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```
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