ARKit + CoreLocation - Bonfire iOS #4 -

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1. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. Bonfire

   iOS #4 2018೥5݄15೔ Kenta Tokumoto ARKit+CoreLocation

2. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. 2

   Outline • ࣗݾ঺հ • ARϞʔυʹ͍ͭͯ • ARKitͷ֓ཁ • ARKit+CoreLocation • ΦϒδΣΫτͷ഑ஔํ๏ʹ͍ͭͯ • ϧʔτϥΠϯ • ؃൘ • ଍੻ • ͚Μ͘͞+ΰʔϧϐϯ • ۭؒิਖ਼ • ARͱ஍ਤͰͷUIͷҧ͍ʹ͍ͭͯ

3. About me ,FOUB
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   UPUPNP (JUIVC
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   UPUPNP ໊ݹ԰ۈ຿ɺೖࣾ̒೥໨
   :BIPP
   ."1ͷJ04
   8FC"1*։ൃ୲౰ 3

4. AR mode? 4 • Yahoo! MAPΞϓϦ(iOS)Ͱఏڙ͍ͯ͠ΔARΛ࢖ͬͨ ెาφϏࢧԉػೳ • iOS 11͔Βར༻ՄೳͳARKitΛ࢖༻

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   Team Product Manager Designer Engineer

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   Schedule 2017೥9݄ʙ 12݄ 1݄ 2݄ 3݄ ϧʔτϥΠϯɺ଍੻ ࣮ݧ ؃൘ɺ͚Μ͘͞ QAɺਃ੥ ۭؒิਖ਼ ϦϦʔε

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   ARKit • iOS 11Ҏ߱Ͱ࢖͑ΔARػೳΛ࣮૷͢Δͷʹศ རͳFramework • AR mode͸Position TrackingΛඞཁͱ͢ΔͨΊ A9νοϓ͕౥ࡌ͞Εͨ୺຤ͷΈαϙʔτ • Android → ARCore

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   ARKit+CoreLocation • ARConfiguration.worldAlignment.gravit yAndHeadingΛࢦఆ͢Δ • ݪ఺ͷҐஔ৘ใͱARKitʹΑΓߏங͞Ε ͨੈքۭؒͷݪ఺͸૬ޓม׵Մೳ AR ࣮ۭؒ N N (x n , z n ) (lat n , lon n )

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   ARKit+CoreLocation (0, 0) d [m] (x 1 , z 1 ) (lat 0 , lon 0 ) d [m] (lat 1 , lon 1 )

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    SCNNodeͷ഑ஔ • ϧʔτϥΠϯ (SCNPlane) • ؃൘ (3D) • ͚Μ͘͞+ΰʔϧϐϯ(3D) • ଍੻ (SCNPlane)

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    ϧʔτϥΠϯ

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    ϧʔτϥΠϯ position eulerAngles.y

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    ؃൘

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    ؃൘ position

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    ؃൘ position

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    ؃൘ position • ϚʔδϯΛઃ͚ͯݟ΍͍͢ํ޲ʹճస • ౦੢ͲͪΒʹ഑ஔ͢Δ͔͸ɺਐߦํ޲ ͱ࣍ͷํ޲ͱͷࠩ෼͔Β൑அ͍ͯ͠Δ

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    ଍੻

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    ଍੻ position

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    ଍੻ position • ARSCNView͔ΒऔΕΔ pointOfViewͷpositionΛऔಘ • ݱࡏҐஔͷ࠲ඪΛ΋ͱʹҠಈڑ཭ ͱ֯౓Λܭࢉ • ଍੻͸ϥϯμϜͰग़͢Α͏ʹ materialʹઃఆ͍ͯ͠ΔUIImageΛ ಈతʹઃఆ͍ͯ͠Δ

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    ͚Μ͘͞+ΰʔϧϐϯ position SCNBillboardConstrain t

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    SCNNodeͷ௥Ճ locationInfoProvider.location { [weak self] location in guard let origin = location else { self?.displayError() return } self?.addObjects(origin: origin) }

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    ஞ࣍తͳSCNNodeͷ௥Ճ func renderer(_ renderer: SCNSceneRenderer, updateAtTime time: TimeInterval) { // 5ͭͣͭ௥Ճ͢Δ } self.navigationView.worldNode.addScheduledNodes(quantity: 5) func addObjects(origin: CLLocation) { self.navigationView.origin = origin let routeLineNodes = routeNodes(withCoordinates: self.coordinates) self.navigationView.scheduleNodes(routeLineNodes, priority: .high) } // ARSCNViewDelegate

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    ۭؒิਖ਼ Correctable Space Fixed Space Root Space

24. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. ۭؒิਖ਼

    24 • Fixed Space • ଍੻ • Correctable Space • ϧʔτϥΠϯ • ͚Μ͘͞&ΰʔϧϐϯ • ؃൘

25. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. ۭؒิਖ਼

    25 GPSʹΑΔݱࡏ஍ (CoreLocation) AR্ۭؒͷΧϝϥͷݱࡏ஍ (ARKit) GPSʹΑΔޡࠩͷ൒ܘ

26. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. ۭؒิਖ਼

    26 GPSʹΑΔݱࡏ஍ (CoreLocation) AR্ۭؒͷΧϝϥͷݱࡏ஍ (ARKit) GPSʹΑΔޡࠩͷ൒ܘ ޡࠩͷԁ͔Β͸Έग़ͯ͠ ͍Δ

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    LocationInfoProvider public protocol LocationInfoProvidable { func location(completion: @escaping (CLLocation?)->()) func nearbyRoutePoint(from origin: SCNVector3) -> SCNVector3? var delegate: LocationInfoProviderDelegate? { get set }
 } protocol LocationInfoProviderDelegate: class { // ֯౓ิਖ਼ (ిࢠίϯύε·ͨ͸Ґஔ৘ใͷਫ਼౓͕޲্ͨ͠λΠϛϯάͰ௨஌) // ਫ਼౓: heading.headingAccuracy func locationInfoProvider(_ provider: LocationInfoProvidable, requestUpdateHeading heading: CLHeading) // Ґஔิਖ਼ (Ґஔ৘ใͷਫ਼౓͕޲্ͨ͠λΠϛϯάͰ௨஌ // ਫ਼౓: location.horizontalAccuracy func locationInfoProvider(_ provider: LocationInfoProvidable, requestUpdateLocation location: CLLocation, oldLocation: CLLocation?)
 }

28. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. ۭؒิਖ਼

    28 extension ARRouteNavigationViewController: ARLocationInfoProviderDelegate { public func arLocationInfoProvider(_ provider: ARLocationInfoProvidable, requestUpdateLocation location: CLLocation, oldLocation: CLLocation?) { guard let origin = navigationView.origin, let currentPosition = navigationView.pointOfView?.worldPosition else { return } 
 ɹɹɹɹɹ// GPS͔Βܭࢉͨ͠ARۭؒʹ͓͚Δ࠲ඪ ɹɹɹɹɹlet gpsPosition = location.coordinate.relativeVector3(to: origin.coordinate) + ɹɹɹɹɹ navigationView.worldNode.correctableNode.worldPosition ɹɹɹɹɹ// GPSͷޡࠩΛ௒͑ͯͣΕ͍ͯͳ͍৔߹͸Կ΋͠ͳ͍ ɹɹɹɹɹguard idealPosition.length(between: currentPosition) > location.horizontalAccuracy else { ɹɹ return ɹɹɹɹɹ} 
 ɹɹɹɹɹ// ޡࠩΛܭࢉ ɹɹɹɹɹlet positionDifference = gpsPosition – currentPosition 
 ɹɹɹɹɹ// ิਖ਼ ɹɹɹɹɹnavigationView.worldNode.correctableNode.worldPosition -= SCNVector3(positionDifference.x, 0, positionDifference.z) } }

29. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. ARͱ஍ਤͰͷφϏήʔγϣϯͷҧ͍

    29 • ՄࢹྖҬ • ۭؒͱ࣍ݩ

30. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. ՄࢹྖҬͷҧ͍

    30 • ՄࢹྖҬ • ஍ਤɹ →ɹશମΛ၆ᛌͯ͠ݟΕΔ • ARɹ →ɹपลʹϑΥʔΧεͯ͠ݟΔ

31. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. ՄࢹྖҬͷҧ͍΁ͷରࡦ

    31 ํ޲ࢦࣔΛࡉ͔͘දࣔ ؃൘Ͱํ޲ͱ࢒Γͷڑ཭Λࡉ͔͘දࣔ

32. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. ۭؒͱ࣍ݩͷҧ͍

    32 • ۭؒͱ࣍ݩ • ஍ਤɹ →ɹ஍ਤʹΑΔ2࣍ݩۭؒ ɹɹɹɹɹ (ݱ࣮Λ2Dʹͯ͠Ճ޻ͨ͠΋ͷ) • ARɹ →ɹݱ࣮ۭؒ (3D)

33. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. ࣍ݩͷҧ͍΁ͷରࡦ

    33 • ي੻ɹɹɹ →ɹ଍੻ • ਧ͖ग़͠ɹ →ɹ؃൘ • ΰʔϧϐϯ →ɹ͚Μ͘͞(ͱΰʔϧϐϯ)

34. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. ஍ਤͱARΛγʔϜϨεʹซ༻͢Δ

    34 1λοϓͰ͙͢੾Γସ͑ΒΕΔΑ͏ʹ

35. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. 35

    ·ͱΊ • ARKit + CoreLocation Ͱ࣮ࡍͷ෩ܠΛݟͳ͕ΒಓҊ಺͕Ͱ͖Δ • ARKit͕ߏ੒͢Δۭؒ࠲ඪͱ࣮ۭؒͷҢ౓ܦ౓͸૬ޓʹม׵͢Δ͜ ͱ͕Ͱ͖Δ • 3DΦϒδΣΫτͷ഑ஔʹ͸SceneKitͷ஌͕ࣝඞཁ • GPS΍ిࢠίϯύεͷਫ਼౓ΛݟͭͭΧϝϥͷ࠲ඪ͔ΒҐஔ΍ํ޲ Λิਖ਼Մೳ • ARͱ஍ਤͰ͸ಛੑ͕ҧ͏ͨΊUI΋ͦΕͧΕʹ߹ΘͤΔඞཁ͕͋Δ

36. Copyright (C) 2018 Yahoo Japan Corporation. All Rights Reserved. Fin