Причина, по которой вы получаете эту ошибку, в том, что ваша registerKnownImplementations()
функция не запускается.
Должна работать следующая суть: https://gist.github.com/dtartaglia/9f1f937628504ca56dbb1aac7d91df2b
Код также ниже, но суть может быть обновлена:
//
// SKPhysicsWorld+Rx.swift
//
// Created by Daniel Tartaglia on 21 Jan 2019.
// Copyright © 2019 Daniel Tartaglia. MIT License.
//
import RxSwift
import SpriteKit
public
extension Reactive where Base: SKPhysicsWorld {
var didBegin: Observable<SKPhysicsContact> {
return Observable.create { observer in
physicsContatctDelegatesLock.lock(); defer { physicsContatctDelegatesLock.unlock() }
let uuid = UUID()
if let (delegate, beginners, enders) = physicsContatctDelegates[self.base] {
var new = beginners
new[uuid] = observer
physicsContatctDelegates[self.base] = (delegate, new, enders)
}
else {
let delegate = PhysicsContactDelegate(for: self.base)
self.base.contactDelegate = delegate
physicsContatctDelegates[self.base] = (delegate, [uuid: observer], [:])
}
return Disposables.create {
physicsContatctDelegatesLock.lock(); defer { physicsContatctDelegatesLock.unlock() }
let (delegate, beginners, enders) = physicsContatctDelegates[self.base]!
var new = beginners
new.removeValue(forKey: uuid)
if new.isEmpty && enders.isEmpty {
physicsContatctDelegates.removeValue(forKey: self.base)
}
else {
physicsContatctDelegates[self.base] = (delegate, new, enders)
}
}
}
}
var didEnd: Observable<SKPhysicsContact> {
return Observable.create { observer in
physicsContatctDelegatesLock.lock(); defer { physicsContatctDelegatesLock.unlock() }
let uuid = UUID()
if let (delegate, beginners, enders) = physicsContatctDelegates[self.base] {
var new = enders
new[uuid] = observer
physicsContatctDelegates[self.base] = (delegate, beginners, new)
}
else {
let delegate = PhysicsContactDelegate(for: self.base)
self.base.contactDelegate = delegate
physicsContatctDelegates[self.base] = (delegate, [:], [uuid: observer])
}
return Disposables.create {
physicsContatctDelegatesLock.lock(); defer { physicsContatctDelegatesLock.unlock() }
let (delegate, beginners, enders) = physicsContatctDelegates[self.base]!
var new = enders
new.removeValue(forKey: uuid)
if new.isEmpty && enders.isEmpty {
physicsContatctDelegates.removeValue(forKey: self.base)
}
else {
physicsContatctDelegates[self.base] = (delegate, beginners, new)
}
}
}
}
}
private
class PhysicsContactDelegate: NSObject, SKPhysicsContactDelegate {
init(for world: SKPhysicsWorld) {
self.world = world
super.init()
}
func didBegin(_ contact: SKPhysicsContact) {
physicsContatctDelegatesLock.lock(); defer { physicsContatctDelegatesLock.unlock() }
let (_, beginners, _) = physicsContatctDelegates[world]!
for each in beginners.values {
each.onNext(contact)
}
}
func didEnd(_ contact: SKPhysicsContact) {
physicsContatctDelegatesLock.lock(); defer { physicsContatctDelegatesLock.unlock() }
let (_, _, enders) = physicsContatctDelegates[world]!
for each in enders.values {
each.onNext(contact)
}
}
let world: SKPhysicsWorld
}
private let physicsContatctDelegatesLock = NSRecursiveLock()
private var physicsContatctDelegates: [SKPhysicsWorld: (SKPhysicsContactDelegate, [UUID: AnyObserver<SKPhysicsContact>], [UUID: AnyObserver<SKPhysicsContact>])] = [:]