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ARKitの話
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Takaaki Tanaka
June 22, 2017
Technology
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1.6k
ARKitの話
WWDC After Party 2017 @Ebisu での発表資料です。
https://pre-wwdc.connpass.com/event/56731/
Takaaki Tanaka
June 22, 2017
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Transcript
2017/06/21 ARKitʹ৮ͬͯݟͨ݁Ռ ໘ന͍ൃද͕Ͱ͖Δ͔ͱࢥͬͨͷ͕ͩ ͦΜͳ͜ͱແ͔ͬͨ… ͰؤுͬͯLT͢Δ WWDC After Party 2017 @Ebisu
About Me
• ాத ໌ (Takaaki Tanaka) • Ϋϥεϝιουגࣜձࣾ • @kongmingtrap •
Swift / Objective-C / Scala / JavaScript … • GyazSquare / GitHub
WWDC
WWDC • ॳWWDC • ॳւ֎ • ӳޠ…?
WWDC • ฐࣾͷฏਅޗ͞Μ͕WWDC 2015ʹࢀՃ • ಉ͘͡ࢀՃ͍ͯͨ͠ࢣঊ͕ฏਅޗ͞Μͱ ᬍ • Ϋϥεϝιου͕ΤϯδχΞΛืू͍ͯ͠ Δ͜ͱΛΔ
• Ϋϥεϝιουస৬Λܾҙ
ؓٳ
WWDC17
Main topic • ARKit • eGPUKit • Core ML •
Home Kit • HomePod
Main topic • ARKit • eGPUKit • Core ML •
Home Kit • HomePod
AR
AR
WWDC
Demo IUUQTXXXZPVUVCFDPNXBUDI WN$P6YH0P. IUUQTJUVOFTBQQMFDPNKQBQQVGPDBNFSBE JE NU
AR • AVFoundation • Core Location • Heading • Core
Motion • Gyro scope • Accelerometer
AR • AVFoundation • Core Location • Core Motion •
Gyro scope • Accelerometer
AR $FMFTUJBM0CTFSWBUJPO7JFXFS
None
None
ARKit • ARKit • SceneKit
ARKit • ARKit • SceneKit
ARSession • ΧϝϥػೳɺϞʔγϣϯݕͳͲแׅͯ͠ ߦ͏manager object (shared) • ैདྷͷํ๏ͩͱɺόοςϦʔফඅ͕ܹ͔ͬ͠ ͕ͨɺframeworkϨϕϧͰ࠷దԽ͍ͯ͠Δ ʢΒ͍͠ʣ
ARSession
ARSession
Plane Detection
Plane Detection // configure session if let worldSessionConfig = sessionConfig
as? ARWorldTrackingSessionConfiguration { worldSessionConfig.planeDetection = .horizontal session.run(worldSessionConfig, options: [.resetTracking, .removeExistingAnchors]) }
ARAnchor • ARPlaneAnchor • ARAnchorͷαϒΫϥε • ݕग़͞Εͨฏ໘ • ݕग़͞ΕͨΒARSCNViewDelegateͷϝιου ʹ௨͞ΕΔ
• renderer(_ renderer: SCNSceneRenderer, didAdd node: SCNNode, for anchor: ARAnchor)
ARSCNViewDelegate func renderer(_ renderer: SCNSceneRenderer, didAdd node: SCNNode, for anchor:
ARAnchor) { DispatchQueue.main.async { if let planeAnchor = anchor as? ARPlaneAnchor { self.addPlane(node: node, anchor: planeAnchor) self.checkIfObjectShouldMoveOntoPlane(anchor: planeAnchor) } } }
ARPlaneAnchor + SCNNode func addPlane(node: SCNNode, anchor: ARPlaneAnchor) { let
pos = SCNVector3.positionFromTransform(anchor.transform) textManager.showDebugMessage("NEW SURFACE DETECTED AT \ (pos.friendlyString())") let plane = Plane(anchor, showDebugVisuals) planes[anchor] = plane node.addChildNode(plane) textManager.cancelScheduledMessage(forType: .planeEstimation) textManager.showMessage("SURFACE DETECTED") if virtualObject == nil { textManager.scheduleMessage("TAP + TO PLACE AN OBJECT", inSeconds: 7.5, messageType: .contentPlacement) } }
ARPlaneAnchor + SCNNode func updatePlane(anchor: ARPlaneAnchor) { if let plane
= planes[anchor] { plane.update(anchor) } }
ARPlaneAnchor + SCNNode private func updateOcclusionNode() { guard let occlusionNode
= occlusionNode, let occlusionPlane = occlusionNode.geometry as? SCNPlane else { return } occlusionPlane.width = CGFloat(anchor.extent.x - 0.05) occlusionPlane.height = CGFloat(anchor.extent.z - 0.05) occlusionNode.position = SCNVector3Make(anchor.center.x, occlusionPlaneVerticalOffset, anchor.center.z) }
Recap • ฏ໘ݕग़ʢਫฏํʣͷΈ • ARΑΓฏ໘ݕग़ػೳͷํ͕ϝΠϯ • Ϟʔγϣϯͷैࠓޙʹظ • όοςϦʔফඅʹؔͯ͠ܭଌͯ͠Έ͍ͨ
WWDC17 IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZ XXED *OUSPEVDJOH"3,JU"VHNFOUFE3FBMJUZGPSJ04
Thank you!