Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
iPhoneでコスプレをする技術
Search
Tatsuya Tanaka
September 13, 2018
Programming
3
1k
iPhoneでコスプレをする技術
iPhoneでコスプレをする技術
俺コン 2018 Summer
#orecon_ios
Tatsuya Tanaka
September 13, 2018
Tweet
Share
More Decks by Tatsuya Tanaka
See All by Tatsuya Tanaka
iPhoneのセンサー情報をmacOSアプリでリアルタイム活用するための技術
tattn
1
640
Better use of SwiftUI
tattn
0
440
Swift Concurrencyによる安全で快適な非同期処理
tattn
2
1.3k
iOSアプリの技術選択2022
tattn
7
3.9k
Widget Suggestions 対応と ヤフーの新OS対応
tattn
1
1.3k
WidgetKitで良い体験を作るには / Good experience with WidgetKit
tattn
2
1.6k
既存アプリにSwiftUIをどう組み込んでいくか
tattn
8
2.4k
iOS 14からのアプリ内課金
tattn
5
2.9k
iOS 14の位置情報系アップデート
tattn
0
22k
Other Decks in Programming
See All in Programming
Terraform やるなら公式スタイルガイドを読もう 〜重要項目 10選〜
hiyanger
13
3.1k
Google I/O recap web編 大分Web祭り2025
kponda
0
2.9k
レガシープロジェクトで最大限AIの恩恵を受けられるようClaude Codeを利用する
tk1351
2
120
それ CLI フレームワークがなくてもできるよ / Building CLI Tools Without Frameworks
orgachem
PRO
17
3.9k
バイブコーディングの正体——AIエージェントはソフトウェア開発を変えるか?
stakaya
5
940
大規模FlutterプロジェクトのCI実行時間を約8割削減した話
teamlab
PRO
0
480
Nuances on Kubernetes - RubyConf Taiwan 2025
envek
0
170
Flutter로 Gemini와 MCP를 활용한 Agentic App 만들기 - 박제창 2025 I/O Extended Seoul
itsmedreamwalker
0
140
Google I/O Extended Incheon 2025 ~ What's new in Android development tools
pluu
1
290
decksh - a little language for decks
ajstarks
4
21k
WebAssemblyインタプリタを書く ~Component Modelを添えて~
ruccho
1
840
ライブ配信サービスの インフラのジレンマ -マルチクラウドに至ったワケ-
mirrativ
1
230
Featured
See All Featured
We Have a Design System, Now What?
morganepeng
53
7.7k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
48
9.6k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
34
6k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
161
15k
Optimizing for Happiness
mojombo
379
70k
Side Projects
sachag
455
43k
Navigating Team Friction
lara
188
15k
Learning to Love Humans: Emotional Interface Design
aarron
273
40k
Designing for humans not robots
tammielis
253
25k
A better future with KSS
kneath
239
17k
Fantastic passwords and where to find them - at NoRuKo
philnash
51
3.4k
Transcript
iPhoneͰίεϓϨΛ͢Δٕज़ ాதୡ (@tattn) Զίϯ 2018 Summer #orecon_ios
ాத ୡ (@tattn) • Yahoo!Ҋ • iOSΞϓϦΤϯδχΞ @tattn @tanakasan2525 @tattn
ࡢͷApple Event؍·͔ͨ͠ʁ
iOS12ͷհϖʔδ IUUQTXXXBQQMFDPNKQJPTJPT
Ҋ͕ϖʔδʹࡌΓ·ͨ͠ IUUQTXXXBQQMFDPNKQJPTJPT
iPhoneͰίεϓϨΛ͢Δٕज़ IUUQTGPSUFFKQJPTEDKBQBOQSPQPTBMECGCCGCBBGCDGF
όʔνϟϧYouTuber ͍ͬͯ·͔͢ʁ
όʔνϟϧYouTuber (VTuber) Βͳ͍ਓϠϑʔͰݕࡧʂʮVTuberʯ YouTubeͳͲͷಈը৴αʔϏε্Ͱ 2D3DͷΞόλʔͰ৴͍ͯ͠Δਓͷ͜ͱɻ ϦΞϧͱόʔνϟϧͷମΛಉظ͢Δٕज़Λ͍ͬͯΔ͜ͱ͕ଟ͍ɻ
VTuberΛࢧ͑Δٕज़ • ମΛಈ͔͢ • खಈɺKinectɺVRػثɺϞʔγϣϯΩϟϓνϟʔػث • දΛಈ͔͢ • खಈɺFaceRigɺDlibɺVisionɺARKit •
(Λม͢Δ) • ιϑτΣΞ (࿀ͳͲ)ɺϋʔυΣΞ (VT-3ͳͲ) • දࣔ͢Δ • UnityɺFaceRigɺSceneKit (ҰྫͰ͢)
ٕज़తʹ໘ന͘ɺ৭ʑ࡞ͬͯΈ·ͨ͠ ※͜ΕOculus RiftͱUnityΛ͍ͬͯ·͢ VRδΣϯΨ VRΩϟονϘʔϧ VTuberͬΆ͍ࢹ ©Kizuna AI IUUQTUXJUUFSDPNUBOBLBTBOTUBUVT
εϚϗͰVTuberʹͳΕΔ
ͦ͏ɺiPhoneͳΒͶɻ
͜ΜͳΞϓϦΛ࡞Γ·ͨ͠ Α͔ͬͨΒ༡ΜͰΈͯͶˠ iPhone X × ARKit × SceneKit CoreAnimation ×
Accelerate ʮVTuberʯͰݕࡧ
༻ٕज़ Face Tracking ϨϯμϦϯάɾϞʔγϣϯ TrueDepthΧϝϥ ܭࢉ iPhone X × ARKit
× SceneKit CoreAnimation × Accelerate
ARKit ARFaceAnchorͰإͷ࢟ΛऔಘΛऔಘ BlendShapeLocationͰإͷύʔπͷঢ়ଶΛऔಘ IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOBSLJUBSGBDFBODIPS
Face Trackingͷ࣮ߦ guard ARFaceTrackingConfiguration.isSupported else { return } let configuration
= ARFaceTrackingConfiguration() configuration.isLightEstimationEnabled = true let arSession = ARSession() arSession.delegate = self arSession.run(configuration, options: [.resetTracking, .removeExistingAnchors])
إͷύʔπͷঢ়ଶऔಘ extension ViewController: ARSessionDelegate { func session(_ session: ARSession, didUpdate
anchors: [ARAnchor]) { guard let faceAnchor = anchors .lazy .compactMap({ $0 as? ARFaceAnchor }) .first else { return } if let mouthOpenness = faceAnchor.blendShapes[.jawOpen]?.doubleValue { let e = 0.05 // ޱΛด͘͢͢͡Δ let mouthOpennessX8 = mouthOpenness * 8 // ޱΛ։͚͘͢͢Δ let value = mouthOpennessX8 < e ? 0 : mouthOpennessX8 > 1 - e ? 1 : mouthOpennessX8 // Ϟσϧͷߋ৽ }
SceneKit SCNSceneʹΩϟϥΫλʔΛஔ͠ SCNViewͰSceneΛදࣔ ©Kizuna AI
ϞσϧͷಡΈࠐΈ ϑϦʔͷϞσϧ͕ଟ͘ɺ දͷϞʔϑΟϯάϞʔγϣϯͳͲͷ ޓੑ͕ߴ͍MMDϞσϧΛࠓճ༻ ※MMD=MikuMikuDance IUUQEJDOJDPWJEFPKQBNJLVNJLVEBODF
MMDͷಡΈࠐΈ ϑΥʔϚοτͷ༷ࣗମެ։͞Ε͍ͯΔ IUUQLLILTFFTBBOFUDBUFHPSZIUNM ↑zipͷதʹ༷ॻ͕͋Δ IUUQTHJUIVCDPNNBHJDJFO..%4DFOF,JU ࠓճMMDSceneKitΛ༻
Ωϟϥͷύʔπͷऔಘ let model: SCNNode = try loadMMDModel(fromName: "kizunaai/kizunaai.pmx") let neck
= model.childNode(withName: "ट", recursively: true) let leftEye = model.childNode(withName: "ࠨ", recursively: true) let rightEye = model.childNode(withName: "ӈ", recursively: true) MMDͷNode (Ϙʔϯ) ໊ʹ҉తͳϓϩτίϧ͕͋ΔͷͰ ผͷϞσϧͦͷ··Ͱେମಈ͘ (ͨ·ʹશ֯ΧλΧφͱ֯ΧλΧφͷදهΏΕ͕...ţŜŖŪͳͲ)
CoreAnimation / SceneKit let keyPath = "morpher.weights.eye" var animation =
CAKeyframeAnimation(keyPath: keyPath) animation.values = [AnyObject]() animation.keyTimes = [NSNumber]() animation.timingFunctions = [CAMediaTimingFunction]() ... let animationGroup = CAAnimationGroup() animationGroup.animations = [CAAnimation]() ... animationGroup.animations?.append(animation) ... let animation = SCNAnimation(caAnimation: animationGroup) let player = SCNAnimationPlayer(animation: animation) model.addAnimationPlayer(player, forKey: nil) player.play()
Accelerate.framework ύϑΥʔϚϯεʹಛԽͨ͠ࢉज़ԋࢉϑϨʔϜϫʔΫ ࠓճ simd ͱ͍͏ খ͞ͳϕΫτϧͱߦྻΛѻ͏ϞδϡʔϧΛར༻ ※ simd = Single
Instruction Multiple Data
औಘͨ͠σʔλΛମͱटʹө͢Δ func session(_ session: ARSession, didUpdate anchors: [ARAnchor]) { guard
let faceAnchor = anchors .lazy.compactMap({ $0 as? ARFaceAnchor }).first else { return } let transform: simd_float4x4 = faceAnchor.transform let quaternion = simd_quaternion(transform) neck.simdWorldOrientation = quaternion let translate4: simd_float4 = transform.columns.3 let translate = simd_float3(translate4.x * 5, translate4.y * 5, translate4.z * 50 + 20) // w = 1 model.simdPosition = translate ࠨӈ͋·Γಈ͔ͣɺલޙಈ͖͘͢͢Δ ARKit/SceneKitӈखܥ
͜Ε·Ͱઆ໌ٕͨ͠ज़ΛΈ߹ΘͤΔͱ όʔνϟϧͳମΛಘΔ͜ͱ͕Ͱ͖·͢ʂ
VRM
VRMͱ IUUQTEXBOHPHJUIVCJPWSN υϫϯΰ͕࡞ͬͨVR༻ͷ3DϞσϧϑΥʔϚοτ 4݄ʹެ։͞ΕɺVRք۾Ͱʹͳ͍ͬͯΔ ɾχίχཱମ ɾόʔνϟϧΩϟετ ɾcluster ɾVDraw ɾVΧπ ͳͲͰར༻͞Ε͍ͯΔ
VRMΛiOSͰಡΈࠐΊΔϥΠϒϥϦ VRMΛiOSͰಡΈࠐΊΔϥΠϒϥϦΛ࡞Γ·ͨ͠ IUUQTHJUIVCDPNUBUUO73.,JU VRMKit
VRMΛiOSͰಡΈࠐΊΔϥΠϒϥϦ IUUQTHJUIVCDPNUBUUO73.,JU VRMKit ϝλσʔλͷऔಘͱ Ϟσϧͷද͕ࣔՄೳ
͊͞ɺΈͳ͞Μόʔνϟϧͳੈք
͋Γ͕ͱ͏͍͟͝·ͨ͠