108 lines
3.8 KiB
Swift
108 lines
3.8 KiB
Swift
//
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// InitialGamesStoryboardSegue.swift
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// Delta
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//
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// Created by Riley Testut on 8/7/16.
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// Copyright © 2016 Riley Testut. All rights reserved.
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//
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import UIKit
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class InitialGamesStoryboardSegue: UIStoryboardSegue
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{
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fileprivate let animator: UIViewPropertyAnimator
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fileprivate var isPresenting: Bool = true
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override init(identifier: String?, source: UIViewController, destination: UIViewController)
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{
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let timingParameters = UISpringTimingParameters(mass: 3.0, stiffness: 750, damping: 65, initialVelocity: CGVector(dx: 0, dy: 0))
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self.animator = UIViewPropertyAnimator(duration: 0, timingParameters: timingParameters)
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super.init(identifier: identifier, source: source, destination: destination)
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}
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override func perform()
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{
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self.destination.transitioningDelegate = self
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self.destination.modalPresentationStyle = .custom
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self.destination.modalPresentationCapturesStatusBarAppearance = true
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super.perform()
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}
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}
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extension InitialGamesStoryboardSegue: UIViewControllerTransitioningDelegate
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{
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func animationController(forPresented presented: UIViewController, presenting: UIViewController, source: UIViewController) -> UIViewControllerAnimatedTransitioning?
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{
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self.isPresenting = true
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return self
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}
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func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning?
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{
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self.isPresenting = false
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return self
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}
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}
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extension InitialGamesStoryboardSegue: UIViewControllerAnimatedTransitioning
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{
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func transitionDuration(using transitionContext: UIViewControllerContextTransitioning?) -> TimeInterval
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{
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return self.isPresenting ? 0.0 : self.animator.duration
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}
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func animateTransition(using transitionContext: UIViewControllerContextTransitioning)
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{
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if self.isPresenting
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{
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self.animatePresentationTransition(using: transitionContext)
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}
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else
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{
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self.animateDismissalTransition(using: transitionContext)
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}
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}
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func animatePresentationTransition(using transitionContext: UIViewControllerContextTransitioning)
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{
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transitionContext.sourceViewController.beginAppearanceTransition(false, animated: false)
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transitionContext.destinationView.alpha = 0.0
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transitionContext.destinationView.frame = transitionContext.destinationViewFinalFrame!
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transitionContext.containerView.addSubview(transitionContext.destinationView)
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UIView.animate(withDuration: 0.3, animations: {
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transitionContext.destinationView.alpha = 1.0
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}, completion: { finished in
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transitionContext.completeTransition(true)
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transitionContext.sourceViewController.endAppearanceTransition()
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})
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}
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func animateDismissalTransition(using transitionContext: UIViewControllerContextTransitioning)
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{
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transitionContext.destinationViewController.beginAppearanceTransition(true, animated: true)
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transitionContext.destinationView.transform = CGAffineTransform(scaleX: 0.5, y: 0.5)
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transitionContext.destinationView.alpha = 0.0
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self.animator.addAnimations {
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transitionContext.sourceView.alpha = 0.0
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transitionContext.sourceView.transform = CGAffineTransform(scaleX: 2.0, y: 2.0)
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transitionContext.destinationView.alpha = 1.0
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transitionContext.destinationView.transform = CGAffineTransform.identity
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}
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self.animator.addCompletion { (position) in
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transitionContext.completeTransition(position == .end)
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transitionContext.destinationViewController.endAppearanceTransition()
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}
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self.animator.startAnimation()
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}
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}
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