Andrés Brun andresbrun
andresbrun
/ UIDynamics_check_outOfBounds.swift
Created
January 2, 2017 18:25
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| modalViewExitBehaviour = UIDynamicItemBehavior(items: [targetView]) | |
| // Action is called in every animation step | |
| modalViewExitBehaviour.action = { [unowned self] _ in | |
| // Check if all views are outside of the reference frame | |
| if !self.allViews.contains(where: { $0.frame.intersects(self.superview.bounds) }) { | |
| self.onDismiss?() | |
| } | |
| } | |
| animator?.addBehavior(modalViewExitBehaviour) | |
andresbrun
/ DynamicModalBehaviour_dismiss_cancel.swift
Last active
January 2, 2017 18:15
Shows how to configure UIDynamics to dismiss the modal.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| let pushBehaviour = UIPushBehavior(items: [mainModalView], mode: .instantaneous) | |
| pushBehaviour.pushDirection = velocity.vector * Constants.pushForceRatio | |
| pushBehaviour.setTargetOffsetFromCenter(offset, for: mainModalView) | |
| animator.addBehavior(pushBehaviour) | |
| animator.addBehavior(gravityBehaviour) | |
| animator.removeBehaviors(itemsAttachmentBehaviours) | |
| // Handy extension |
andresbrun
/ BallView.swift
Last active
December 23, 2016 08:59
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| class BallView: UIImageView { | |
| init(size: CGFloat) { | |
| super.init(frame: CGRect(origin: .zero, size: CGSize(width: size, height: size))) | |
| image = UIImage(named: "basketball-png-0") | |
| contentMode = .scaleToFill | |
| layer.cornerRadius = size * 0.5 | |
| } | |
| required init?(coder aDecoder: NSCoder) { | |
| fatalError("init(coder:) has not been implemented") |
andresbrun
/ UIDynamicItemBehavior.swift
Created
December 22, 2016 19:18
Shows how to create an UIDynamicItemBehavior.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| let dynamicBehaviour = UIDynamicItemBehavior(items: balls) | |
| dynamicBehaviour.elasticity = 0.8 | |
| dynamicBehaviour.friction = 5.0 | |
| animator.addBehavior(dynamicBehaviour) |
andresbrun
/ UIAttachmentBehaviour_sliding.swift
Created
December 22, 2016 11:11
Shows how to configure a sliding behaviour
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| let slidingBehaviour = UIAttachmentBehavior.slidingAttachment(with: targetView, | |
| attachedTo: draggableView, | |
| attachmentAnchor: targetView.center, | |
| axisOfTranslation: CGVector(dx: 1, dy: 0)) | |
| animator.addBehavior(slidingBehaviour) |
andresbrun
/ DynamicModalBehaviour.swift
Last active
December 22, 2016 10:33
Swarm animation for modal's dismissal.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import UIKit | |
| import XCPlayground | |
| public class DynamicModalBehaviour: NSObject { | |
| private var animator: UIDynamicAnimator? | |
| private var dragAttachmentBehaviour: UIAttachmentBehavior! | |
| private var itemsCollisionBehaviour: UICollisionBehavior! | |
| private var modalViewExitBehaviour: UIDynamicItemBehavior! | |
| private var itemsAttachmentBehaviours: [UIAttachmentBehavior]! | |
| private var snapBehaviours: [UISnapBehavior]! |
andresbrun
/ UIAttachmentBehaviour.swift
Last active
December 21, 2016 12:52
Shows the different ways to define a attachmentBehaviour
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Dragging an element with a PanGestureRecognizer for instance | |
| let dragAttachmentBehaviour = UIAttachmentBehavior(item: targetView, | |
| offsetFromCenter: offsetFromCenter, | |
| attachedToAnchor: dragLocation) | |
| // Attaching two box in a chain | |
| let boxAttachmentBehaviour = UIAttachmentBehavior(item: box1, | |
| offsetFromCenter: UIOffset(horizontal: 0, vertical: box1.bounds.midY), | |
| attachedTo: box2, | |
| offsetFromCenter: UIOffset(horizontal: 0, vertical: -box2.bounds.midY)) |
andresbrun
/ UICollisionBehaviour.swift
Last active
December 23, 2016 09:00
Shows how to add a collision behaviour
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| let collisionBehaviour = UICollisionBehavior(items: [targetView]) | |
| animator.addBehavior(collisionBehaviour) | |
| // Collision with bounds of superview | |
| collisionBehaviour.setTranslatesReferenceBoundsIntoBoundary(with: .zero) | |
| // Collision with custom boundaries | |
| collisionBehaviour.addBoundary(withIdentifier: "barrier" as NSCopying, | |
| for: UIBezierPath(ovalIn: containerView.bounds)) |
andresbrun
/ UISnapBehaviour.swift
Created
December 21, 2016 11:09
Shows how to configure UISnapBehavior
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| let snapBehaviour = UISnapBehavior(item: targetView, snapTo: CGPoint(x: 100, y: 100)) | |
| animator.addBehavior(snapBehaviour) | |
| // You can configure the oscillation of the item when it has to go to the snap point | |
| snapBehaviour.damping = 0.5 // Medium oscillation |
andresbrun
/ UIGravityBehaviour.swift
Last active
December 21, 2016 10:54
Shows how to apply gravity behaviour
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| let gravityBehaviour = UIGravityBehavior(items: [targetView]) | |
| animator.addBehavior(gravityBehaviour) | |
| // It can be defined with | |
| gravityBehaviour.magnitude = 1.0 // Gravity on earth | |
| gravityBehaviour.angle = .pi / 2.0 // downward direction | |
| // Or | |
| gravityBehaviour.gravityDirection = CGVector(dx: 0.0, dy: 1.0) // Gravity on earth |
NewerOlder