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okla/DragGesture+Velocity.swift

Created February 17, 2021 16:36
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SwiftUI DragGesture velocity
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DragGesture+Velocity.swift
extension DragGesture.Value {
var velocity: CGPoint {
let decelerationRate = UIScrollView.DecelerationRate.normal.rawValue,
d = decelerationRate/(1000.0*(1.0 - decelerationRate))
return CGPoint(x: (location.x - predictedEndLocation.x)/d,
y: (location.y - predictedEndLocation.y)/d)
}
}
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