LocationTapGesture.swift

import SwiftUI

struct LocationTapGesture: Gesture {
    enum Value {
        case recognized(CGPoint)
        case failed
    }

    var coordinateSpace: CoordinateSpace

    var body: AnyGesture<Value> {
        let gesture = TapGesture()
            .simultaneously(with: DragGesture(minimumDistance: 0, coordinateSpace: coordinateSpace))
            .map { value -> Value in
                if value.first != nil, let dragValue = value.second, hypot(dragValue.translation.width, dragValue.translation.height) <= 10 {
                    return .recognized(dragValue.location)
                } else {
                    return .failed
                }
            }
        return AnyGesture(gesture)
    }
}