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swift arkit
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mcz9mm
August 27, 2017
Technology
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swift arkit
mcz9mm
August 27, 2017
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Transcript
A R K I T S W I F T
S T U D Y
A J E N D A • ARKitͰͰ͖Δ͜ͱ • SceneViewͱͷؔΘΓ߹͍
• ݱ࣮ੈքͰͷ࠲ඪ • ݱ࣮ੈքͰͷεέʔϧ
ARKitͰͰ͖Δ͜ͱ • ϙδγϣϯτϥοΩϯά • ฏ໘ݕग़ • ݱ࣮ੈքͷ࠲ඪݕग़ • HitTest •
Etc..
SceneViewͱͷؔΘΓ߹͍ • 3D(Scenekit)ʴAR = ARSCNView ͷΑ͏ͳΠϝʔδ • ARͷಛͰ͋Δݱ࣮ੈքͰͷฏ໘ͷೝࣝͱɺ࠲ඪΛ༻͍ͯSceneViewʹNode(ς ΩετΦϒδΣΫτ)Λஔ͢Δ •
Χϝϥͷػೳͱಉ༷ʹsessionʹΑΓཧ͞Ε͓ͯΓɺsession͕ΕͨΓ͢Δͱೝ ͕ࣝͰ͖ͳ͘ͳΔ • AR্ۭؒʹஔ͢ΔΦϒδΣΫτجຊతʹSceneKitΛ༻͍ͯੜΛߦ͏
ݱ࣮ੈքͰͷ࠲ඪ • ARSceneViewͰhitTestΛߦ͏ hitTest: func hitTest(_ point: CGPoint, types: ARHitTestResult.ResultType)
-> [ARHitTestResult] • ARSceneViewͷը໘্ʹදࣔ͞Ε͍ͯΔը૾͕࣮ࡍʹݱ࣮ੈքͰͲͷϙΠϯτʹ ͨΔͷ͔ఆΛߦͬͯ͘ΕΔ • ͨͩɺೝࣝͨ͠ฏ໘ʹରͯ͠hitTestΛߦ͏ͷͰ·ͣೝࣝΛ͢Δඞཁ͕͋Δ • Returnʹೝࣝͨ͠ฏ໘ʹର͢Δ࠲ඪ͕݁Ռͱͯ͠ฦͬͯ͘Δ • SCNVector3ͱݺΕΔ̏࣍ݩͷ݁Ռͱͯ͠࠲ඪΛऔಘ͢Δ͜ͱ͕Ͱ͖Δ
SCNVector3 var x: Float The first component in the vector.
var y: Float The second component in the vector. var z: Float The third component in the vector. • ̎࣍ݩͰѻ͏ࡍX࣠ͱZ࣠ͷΈΛར༻͢Δͱྑ͍ Z X Y
ݱ࣮ੈքͰͷεέʔϧ • ࠲ඪͷεέʔϧશͯϝʔτϧࢉ͞Ε͍ͯΔ? // ശΛੜ let cube = SCNBox(width: 0.1,
height: 0.1, length: 0.1, chamferRadius: 0) let cubeNode = SCNNode(geometry: cube) • 0.1 ͩͱ ݱ࣮ੈքͰͷ10cm ʹ૬͢Δ • ͍ͭͷΑ͏ʹview্ʹද͍ࣔͯ͠ΔαΠζͰඇৗʹେ͖ͳαΠζʹͳͬͯ͠ ·͏ͷͰҙ