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4DFOF,JUͰ;ΜΘΓͨ͠ӨΛ࡞Δ
QPUBUPUJQT
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ϥΠϒ৴ΞϓϦ1PDPDIB
IUUQTNFEJVNDPNQPDPDIBFOHJOFFSJOH
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OPQQF
!OPQQFGPYXPMG
!
1PDPDIBJ04ΤϯδχΞ
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͖ͭͶ͔Θ͍͍
#
J04%$ͰඳըपΓͷΛͨ͠
$
࠷ۙ"3ʹڵຯ͋Γ
ϥΠϒ৴ΞϓϦ
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J04͔ΒVTE[Λαϙʔτ
VTE["QQMFͱ1JYFSͰڞಉ։ൃͨ͠%ϑΝΠϧϑΥʔ
Ϛοτ
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'JMFͰϓϨϏϡʔ
"3ஔՄೳ
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'JMFͷϓϨϏϡʔͷ
Өʹ
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88%$Ͱ$POUBDU4IBEPXͱදݱ
IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXED UJNF
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$POUBDU4IBEPXʢ
৮Өʣͱ
ײɾॏͳΓײΛग़ͨ͢Ίͷ
ͷ
IUUQTUXJUUFSDPNVOSFBMFOHJOFKQTUBUVT
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$POUBDU4IBEPXͬͯΈ͍ͨʂ
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4DFOF,JUͰӨΛ͚ͭͯΈΔ
w 4$/-JHIUͷDBTUT4IBEPXΛ0/ʹ͢Δ
w EJSFDUJPOBM͔ɺTQPUλΠϓΛ͏
IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTDFOFLJUTDOMJHIU
DBTUTTIBEPX
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// ΦϒδΣΫτ
let scene = SCNScene(named: "stratocaster.scn")!
// ϥΠτ
let light = SCNLight()
light.type = .directional
light.castsShadow = true
let lightNode = SCNNode()
lightNode.light = light
// চ
let floor = SCNFloor()
...
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4$/-JHIUͰ͖ͬΓͨ͠Өʹ
ͳͬͯ͠·͏ɻ
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ҰԠ4IEBPX3BEJVT͋Δ͕ɺϘ
Χ͠ํ͕ࡶ
lightNode.light!.shadowRadius = 16
lightNode.light!.shadowSampleCount = 16
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άά͍ͬͯΔͱɺήʔϜͷهࣄ͕ώοτ
IUUQCMPHTJNPOSPESJHVF[GSBSUJDMFTBGFXTDOUFDIOJRVFFYBNQMFTIUNM
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TDSFFOTQBDFBNCJFOUPDDMVTJPO
ମ͕ۙͯ͠ڱ͘ͳͬͨͱ͜Ζ෦ͷ۱ͳͲʹɺपғͷޫʢڥ
ޫʣ͕ःΒΕΔ͜ͱʹΑͬͯӨ͕ݱΕΔݱΛΞϯϏΤϯτɾΦΫ
ϧʔδϣϯʢڥःṭڥด࠹ɺӳBNCJFOUPDDMVTJPOʣͱݺ
Ϳɻ44"0%ը໘ͷϨϯμϦϯά݁ՌʹޙॲཧΛ͔͚ΔϙετΤ
ϑΣΫτͷҰछͰ͋ΓɺٖࣅతͳϨϯμϦϯά݁ՌʹՃ͢ΔͷͰ
͋Δɻ
IUUQTKBXJLJQFEJBPSHXJLJ44"0
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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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໘Ҏ֎ͷՕॴͷӨ͋Δ
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;ΜΘΓͨ͠ӨࣗલͰඳը͠ͳ͍
ͱμϝͦ͏
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4$/5FDIOJRVF
w ϚϧνύεϨϯμϦϯάͷͨΊͷΫϥε
ը໘̍ճͷߋ৽ͷؒʹɺҟͳΔγʔϯΛෳճϨϯ
μϦϯάͯ͠߹ͨ݁͠ՌΛදࣔ͢Δػೳɻ
.FUBM0QFO(-&4ͰγΣʔμΛॻ͘ࣄ͕ग़དྷΔɻ
ೖྗʹγʔϯͷ৭ใਂใ͕͑Δ
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ͬͯΈͨ
ΧϝϥΛೋͭஔͯ͠ɺԼ͔ΒͷೖྗΛਂʹม͠
ͯϒϥʔΛ͔͚Δɻ
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IUUQCMPHTJNPOSPESJHVF[GSBSUJDMFTBGFXTDOUFDIOJRVFFYBNQMFTIUNM
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Ө͚ͩ࡞ͬͯΈͨ
w Α͘ΈΔͱϞΞϨʢࣶ༷ʣ
͕ʜ
w ͦͦΧϝϥஔ͘ͷʜ
w γΣʔμਅ໘ʹॻ͜͏ͱ͢Δ
ͱαΫοͱग़དྷͳͦ͏
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ସҊΛ୳͢
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HPCP
4$/-JHIUͷӨΛࣗલͷը૾Ͱඳ
ը͢Δػೳ
ӨΛൃࣹ͢ΔϥΠτ
ϦΞϧλΠϜͰߋ৽ग़དྷͳ͍
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HPCP
w 4$/5FDIOJRVFͰਂը૾ʹม
w 4$/7JFXͷTOBQTIPUͰ6**NBHFΛऔಘ
w $*'JMUFSͰϒϥʔΛ͔͚Δ
w 4$/-JHIUͷHPCPʹը૾Ληοτ
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݁Ռ
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՝
w Өͷೱ୶ͳͲ·ͩ'JMFͷදݱʹୡ͍ͯ͠ͳ͍
w 4$/5FDIOJRVFͰશͯ݁ग़དྷΔ͔
w TIBEFS.PEJpFSTͰϥΠςΟϯάγΣʔμ͕࿔ΕΔ
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͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ