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andresbrun/DynamicModalBehaviour_dismiss_cancel.swift

Last active January 2, 2017 18:15
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Shows how to configure UIDynamics to dismiss the modal.
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DynamicModalBehaviour_dismiss_cancel.swift
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
public extension CGPoint {
var vector: CGVector {
return CGVector(dx: x, dy: y)
}
}
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