SceneKitでふんわりした影を描画する/potatotips58

Transcript

1. 4DFOF,JUͰ;ΜΘΓͨ͠ӨΛ࡞Δ
   QPUBUPUJQT
   
   

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2. ϥΠϒ഑৴ΞϓϦ1PDPDIB
   IUUQTNFEJVNDPNQPDPDIBFOHJOFFSJOH
   
   

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3. OPQQF
   !OPQQFGPYXPMG
   !
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   "
   ͖ͭͶ͔Θ͍͍
   #
   J04%$ͰඳըपΓͷ࿩Λͨ͠
   $
   ࠷ۙ"3ʹڵຯ͋Γ
   ϥΠϒ഑৴ΞϓϦ
   
   

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4. J04͔ΒVTE[Λαϙʔτ
   VTE["QQMFͱ1JYFSͰڞಉ։ൃͨ͠%ϑΝΠϧϑΥʔ
   Ϛοτ
   
   

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5. 
   

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6. 'JMFͰϓϨϏϡʔ΍
   "3഑ஔ΋Մೳ
   
   

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7. 'JMFͷϓϨϏϡʔͷ
   Өʹ஫໨὎
   
   

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8. 88%$Ͱ$POUBDU4IBEPXͱදݱ
   IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXED UJNF
   
   

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9. $POUBDU4IBEPXʢ઀
   ৮Өʣͱ͸
   ઀஍ײɾॏͳΓײΛग़ͨ͢Ίͷ΋
   ͷ
   IUUQTUXJUUFSDPNVOSFBMFOHJOFKQTUBUVT
   
   
   

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10. $POUBDU4IBEPX࢖ͬͯΈ͍ͨʂ
    
    

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11. 4DFOF,JUͰӨΛ͚ͭͯΈΔ
    w 4$/-JHIUͷDBTUT4IBEPXΛ0/ʹ͢Δ
    w EJSFDUJPOBM͔ɺTQPUλΠϓΛ࢖͏
    IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTDFOFLJUTDOMJHIU
    DBTUTTIBEPX
    
    

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12. // ΦϒδΣΫτ
    let scene = SCNScene(named: "stratocaster.scn")!
    // ϥΠτ
    let light = SCNLight()
    light.type = .directional
    light.castsShadow = true
    let lightNode = SCNNode()
    lightNode.light = light
    // চ
    let floor = SCNFloor()
    ...
    
    

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13. 4$/-JHIUͰ͸͸͖ͬΓͨ͠Өʹ
    ͳͬͯ͠·͏ɻ
    
    

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14. ҰԠ4IEBPX3BEJVT΋͋Δ͕ɺϘ
    Χ͠ํ͕ࡶ
    lightNode.light!.shadowRadius = 16
    lightNode.light!.shadowSampleCount = 16
    
    

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15. άά͍ͬͯΔͱɺήʔϜͷهࣄ͕ώοτ
    IUUQCMPHTJNPOSPESJHVF[GSBSUJDMFTBGFXTDOUFDIOJRVFFYBNQMFTIUNM
    
    

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16. TDSFFOTQBDFBNCJFOUPDDMVTJPO
    ෺ମ͕ۙ઀ͯ͠ڱ͘ͳͬͨͱ͜Ζ΍෦԰ͷ۱ͳͲʹɺपғͷޫʢ؀ڥ
    ޫʣ͕ःΒΕΔ͜ͱʹΑͬͯӨ͕ݱΕΔݱ৅ΛΞϯϏΤϯτɾΦΫ
    ϧʔδϣϯʢ؀ڥःṭ؀ڥด࠹ɺӳBNCJFOUPDDMVTJPOʣͱݺ
    Ϳɻ44"0͸%ը໘ͷϨϯμϦϯά݁ՌʹޙॲཧΛ͔͚ΔϙετΤ
    ϑΣΫτͷҰछͰ͋ΓɺٖࣅతͳϨϯμϦϯά݁Ռʹ௥Ճ͢Δ΋ͷͰ
    ͋Δɻ
    IUUQTKBXJLJQFEJBPSHXJLJ44"0
    
    

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17. 44"0
    camera?.screenSpaceAmbientOcclusionIntensity = 5
    camera?.screenSpaceAmbientOcclusionNormalThreshold = 0.1
    camera?.screenSpaceAmbientOcclusionDepthThreshold = 0.08
    camera?.screenSpaceAmbientOcclusionBias = 0.33
    camera?.screenSpaceAmbientOcclusionRadius = 3.0
    
    

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18. 
    

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19. ઀஍໘Ҏ֎ͷՕॴͷӨ΋͋Δ
    
    

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20. ;ΜΘΓͨ͠Ө͸ࣗલͰඳը͠ͳ͍
    ͱμϝͦ͏
    
    

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21. 4$/5FDIOJRVF
    w ϚϧνύεϨϯμϦϯάͷͨΊͷΫϥε
    ը໘̍ճͷߋ৽ͷؒʹɺҟͳΔγʔϯΛෳ਺ճϨϯ
    μϦϯάͯ͠߹੒ͨ݁͠ՌΛදࣔ͢Δػೳɻ
    .FUBM΍0QFO(-&4ͰγΣʔμΛॻ͘ࣄ͕ग़དྷΔɻ
    ೖྗʹγʔϯͷ৭৘ใ΍ਂ౓৘ใ͕࢖͑Δ
    
    

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22. 
    

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23. ΍ͬͯΈͨ
    ΧϝϥΛೋͭ഑ஔͯ͠ɺԼ͔ΒͷೖྗΛਂ౓ʹม׵͠
    ͯϒϥʔΛ͔͚Δɻ
    
    

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24. 
    IUUQCMPHTJNPOSPESJHVF[GSBSUJDMFTBGFXTDOUFDIOJRVFFYBNQMFTIUNM
    
    

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25. Ө͚ͩ࡞ͬͯΈͨ
    w Α͘ΈΔͱϞΞϨʢࣶ໛༷ʣ
    ͕ʜ
    w ͦ΋ͦ΋Χϝϥ୆ஔ͘ͷ͸ʜ
    w γΣʔμਅ໘໨ʹॻ͜͏ͱ͢Δ
    ͱαΫοͱग़དྷͳͦ͏
    
    

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26. ୅ସҊΛ୳͢
    
    

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27. HPCP
    4$/-JHIUͷӨΛࣗલͷը૾Ͱඳ
    ը͢Δػೳ
    ӨΛൃࣹ͢ΔϥΠτ
    ϦΞϧλΠϜͰߋ৽͸ग़དྷͳ͍
    
    

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28. HPCP
    w 4$/5FDIOJRVFͰਂ౓ը૾ʹม׵
    w 4$/7JFXͷTOBQTIPUͰ6**NBHFΛऔಘ
    w $*'JMUFSͰϒϥʔΛ͔͚Δ
    w 4$/-JHIUͷHPCPʹը૾Ληοτ
    
    

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29. ݁Ռ
    
    

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30. ՝୊
    w Өͷೱ୶ͳͲ·ͩ'JMFͷදݱʹୡ͍ͯ͠ͳ͍
    w 4$/5FDIOJRVFͰશͯ׬݁ग़དྷΔ͔΋
    w TIBEFS.PEJpFSTͰϥΠςΟϯάγΣʔμ͕࿔ΕΔ
    
    

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31. ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ
    
    

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