2019年の技術であのARアプリを再現する

by Kenichi Takahashi

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೥ͷٕज़Ͱ ͋ͷ"3ΞϓϦΛ࠶ݱ͢Δ %SPJE,BJHJɹߴڮݑҰ

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ԕ͍ੲɺ͸Δ͔൴ํͷ৽॓ ஸ໨Ͱ....

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ηΧΠΧϝϥ ͱ͍͏"3ΞϓϦ͕ ։ൃ͞Ε͍ͯ·ͨ͠ɻɹ

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ηΧΠΧϝϥ ʙεϚʔτϑΥϯᴈ໌ظʹ஫໨Λ ूΊͨ"3ΞϓϦ ೥݄J1IPOF൛ϦϦʔε ೥݄"OESPJE൛ϦϦʔε ೥݄೔αʔϏεऴྃ

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͋Ε͔Β೥͍݄ۙ೔͕ྲྀΕʜ ೥ͷ͍·ͷٕज़Ͱ΍ͬͨΒ ͲΜͳߏ੒ʹͳΔͷ͔ʁ

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@ken1_taka ktaka גࣜձࣾΧϒΫιϑτ΢ΣΞΤϯδχΞ ߴڮݑҰ w ܞଳ޲͚%άϥϑΟΫεΤϯδϯ΍ɺੲ͋ͬͨ ๭"3ΞϓϦͷ։ൃʹܞΘΔ w ݱࡏ͸ΧϒΫͰ%άϥϑΟΫεͷϨϯμϦϯά ͓ΑͼղੳΤϯδϯͷ࣮૷Λ୲౰ w ݸਓత׆ಈͱͯ͠"373ͷ࣮ݧΛ͢Δ๣Β຋༁ ຊΛग़ͨ͠Γɺٕज़ܥࡶࢽ΁ͷղઆهࣄΛدߘ͢ ΔͳͲ͍ͯ͠Δ

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6OJUZʹΑΔʙຊͷ຋༁

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ٕज़ॻయͰग़ͨ͠ຊ #005)ʹ1%'൛ͱ੡ຊ൛͋Γ·͢ IUUQT[BYJTKVOLJFCPPUIQNJUFNT

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೦ͷͨΊʜN @@ N w ࠓճ࡞੒ͨ͠"3ΞϓϦ͸͋͘·Ͱࢲͷݸਓత׆ಈͰͷ࣮ݧͷه࿥Ͱ͋Γɺॴଐ ͢Δձ͕ࣾఏڙ͢ΔαʔϏεͱͷؔ܎͸͋Γ·ͤΜ

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ຊ୊ʹೖΓ·͢

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͋ͷ"3ΞϓϦʹඞཁͳػೳ w ΧϝϥϓϨϏϡʔͷදࣔ w ΤΞλάͷදࣔ w ΤΞλά࡞੒ w ςΩετλάͷจࣈೖྗ w ΠϝʔδλάͷࣸਅࡱӨ w ݱࡏҐஔͷऔಘ w ΤΞλάͷσʔλͷอଘ w ΤΞλά܈ͷऔಘ w ݱࡏҐஔΛத৺ʹ൒ܘʁNͱ͍͏ ΫΤϦʔ

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౰࣌࢖ͬͨ΋ͷ "OESPJE൛ͱαʔόʔ w +BWB w /%, w $ w 0QFO(-&4 w "84 w &$ w 4 w 1)1

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ࠓճ ೥ ࢖ͬͨ΋ͷ w "3$PSF w 4DFOFGPSN w $MPVE"ODIPST w +BWB w ,PUMJO΋গ͠ w 'JSFCBTF w $MPVE'JSFTUPSF w (FP'JSFTUPSF

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ػೳ͝ͱʹݟ͍͖ͯ·͢ ·ͣ͸ը໘पΓ͔Β

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ΧϝϥϓϨϏϡʔͱΤΞλάͷදࣔ w "3$PSF w 4DFOFGPSN w "S'SBHNFOU w 7JFX3FOEFSBCMF

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"3$PSFͷػೳ

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4DFOFGPSNͱ͸ w ೥݄ͷ(PPHMF*0Ͱൃද͞Εͨ΋ͷ w %ϞσϧͷΠϯϙʔτπʔϧ w "3γʔϯ΁ͷ૊ΈࠐΈ͕؆୯ʹͰ͖ΔϥΠϒϥϦ

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https://developers.google.com/ar/develop/java/sceneform/ l"OESPJE։ൃऀʹ%άϥϑΟΫεͱ0QFO(-ΛֶͿ͜ͱͳ͠ʹ "3$PSFΛۦ࢖͢ΔྗΛ༩͑Δz

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4DFOFGPSNొ৔Ҏલʜ w +BWB༻"3$PSFͷ4%,ʹ෇ଐ͢Δαϯϓϧͷߏ੒ w %ϞσϧʢPCKʣσʔλΛϩʔυ͢Δίʔυ w 0QFO(-&4ͷ"1*Λݺͼग़͢ίʔυ w ͦΕ͸ͦΕ͸൥ࡶͳ΋ͷͩͬͨ w ʮѱ͍͜ͱ͸ݴΘͳ͍͔Β6OJUZͰ΍ͬͨ΄͏͕͍͍Αʯͱࢲ΋पΓʹݴͬͯ ͍ͨ

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4DFOFGPSNͰ ࠷௿ݶඞཁͳ +BWBͷίʔυ͸ ͜Ε͚ͩ

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Ϗϧυ࣮ͯ͠ߦ w ฏ໘Λλοϓͯ͠%ϞσϧΛ഑ஔ͢ΔͨΊ ʹඞཁͳػೳ͕Ұ௨Γ͋Δ w ݟӫ͑΋ྑ͍ w ෺ཧϕʔεͷϨϯμϥ͕૊Έࠐ·Ε͍ͯΔ

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4DFOFGPSNͷߏ੒

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%ϞσϧͷΠϯϙʔτϓϥάΠϯ w "OESPJE4UVEJPͷϓϥάΠϯ w %ϞσϧΛΠϯϙʔτͯ͠Ξηοτͱͯ͠ ૊ΈࠐΊΔ w 0#+ '#9 HM5' w "OESPJE4UVEJP಺ͰϓϨϏϡʔՄೳ

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.PEFM3FOEFSBCMFΫϥε w %ϞσϧΛѻ͏ͨΊͷΫϥεɹ

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7JFX3FOEFSBCMFΫϥε "OESPJE։ൃऀʹ͸͓ͳ͡ΈͷMBZPVUͷYNMΛ"3্ۭؒʹු͔Ϳ 7JFXͱͯ͠࡞੒Ͱ͖Δʂ

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"S'SBHNFOU w ΧϝϥϓϨϏϡʔͷදࣔ w ୺຤Λಈ͔͢͜ͱΛଅ͢6*  w ೝࣝฏ໘Λࣔ͢6*  w ฏ໘Λλοϓͨ͠ࡍͷMJTUOFS  w ฏ໘ʹӨΛམͱ͢ 

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͜͜·Ͱ͕"3$PSFͱ 4DFOFGPSNͷ֓ཁ

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ΧϝϥϓϨϏϡʔͷදࣔ w "S'SBHNFOUΛ-BZPVUʹ ૊ΈࠐΉ͚ͩ

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ςΩετͱΠϝʔδͷΤΞλά͸ 7JFX3FOEFSBCMFͰ࡞੒

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ςΩετλά༻ 7JFX3FOEFSBCMF 7JFX3FOEFSBCMFCVJMEFS TFU7JFX UIJT 3MBZPVUUFYU@UBH CVJME CBDLHSPVOE ʢؙ֯ɺ൒ಁ໌ͷ੨৭ʣ UFYU@UBHYNM "1*

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Πϝʔδλά༻ 7JFX3FOEFSBCMF 7JFX3FOEFSBCMFCVJMEFS TFU7JFX UIJT 3MBZPVUJNBHF@UBH CVJME CBDLHSPVOE ʢؙ֯ɺ൒ಁ໌ͷ஡৭ʣ JNBHF@UBHYNM "1*

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ΤΞλάͷ࡞੒ૢ࡞ w ΠϚ෩ʹ'"#Ͱ w ֊૚ԼʹςΩετ΍ΧϝϥͷΞΠίϯ

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ςΩετೖྗ͸μΠΞϩάͰ

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ࣸਅͷࡱӨํ๏ w "S4DFOF7JFXWJFX BS'SBHNFOUHFU"S4DFOF7JFX w "3ը໘ͷ7JFXΛऔಘ w 1JYFM$PQZSFRVFTU WJFX CJUNBQ DPQZ3FTVMU \ʜ w WJFXͷΩϟϓνϟΠϝʔδΛऔಘ w ΤΞλάͱഎܠ͕߹੒͞Εͨঢ়ଶͷΠϝʔ δΛ࡞੒͢ΔͨΊ w (PPHMFͷ4DFOFGPSNͷίʔυϥϘΛࢀߟ

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Ґஔ৘ใؔ࿈

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ݱࡏҐஔͷऔಘ w 5BLB.J[VUPSJ͞Μ͕NFEJVNͰ·ͱΊ͍ͯ ͨʮҐஔ৘ใΛਖ਼֬ʹτϥοΩϯά͢Δٕ ज़JO,PUMJOʯΛࢀߟʹ͠·ͨ͠ w IUUQTNFEJVNDPNMPDBUJPOUSBDLJOH UFDI w औಘ࣌ͷਫ਼౓΍λΠϛϯάΛࡉ੍͔͘ޚ͠ ͔ͨͬͨͨΊ w ΤΞλάϦετͷߋ৽λΠϛϯάͷ੍ޚ

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σʔλͷอଘɺαʔόʔपΓ

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ΤΞλάσʔλͷอଘ w $MPVE'JSFTUPSF w (FP'JSFTUPSFͷϥΠϒϥϦΛ࢖༻ w IUUQTHJUIVCDPNJNQFSJVNMBCT(FP'JSFTUPSF"OESPJE

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ςΩετλάอଘͷίʔυ %PDVNFOU3FGFSFODFOFX5BH3FGECDPMMFDUJPO "JS5BHT EPDVNFOU .BQ4USJOH 0CKFDUEBUBOFX)BTI.BQ EBUBQVU NFTTBHF NTH EBUBQVU UZQF OFX5BH3FGTFU EBUB 4USJOHEPD*EOFX5BH3FGHFU*E HFP'JSFTUPSFTFU-PDBUJPO EPD*E DVSSFOU1PJOU

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'JSFTUPSFʹอଘ͞Εͨσʔλ

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ΤΞλά܈ͷऔಘ w ݱࡏҐஔΛத৺ʹ൒ܘʁNͱ͍͏Ϋ ΤϦʔͰऔಘ͢Δඞཁ͕͋Δ ը૾͸IUUQTpSFCBTFHPPHMFCMPHDPNHFPpSFHPFTNPCJMFIUNMΑΓ

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ΤΞλά܈औಘ࣌ͷίʔυ ʢΫΤϦʔʣ w HFP2VFSZHFP'JSFTUPSFRVFSZ"U-PDBUJPO QPJOU SBEJVT

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ΤΞλά܈औಘ࣌ͷίʔυ ʢϦεφʔʣ QVCMJDWPJEPO%PDVNFOU&OUFSFE %PDVNFOU4OBQTIPUEPDVNFOU4OBQTIPU (FP1PJOUQPJOU \ USZ\ .BQ4USJOH 0CKFDUEBUBEPDVNFOU4OBQTIPUHFU%BUB 4USJOHNFTTBHF 4USJOH EBUBHFU NFTTBHF MPO-BU5P9: QPJOU ʜʜ ^DBUDI /VMM1PJOUFS&YDFQUJPOF \ -PHE %0$6.&/5@&3303 FHFU-PDBMJ[FE.FTTBHF ^DBUDI $MBTT$BTU&YDFQUJPOF \ -PHE %0$6.&/5@&3303 FHFU-PDBMJ[FE.FTTBHF ^ ^

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$MPVE"ODIPSTʹΑΔ"3ۭؒڞ༗

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ͳͥ"3ۭؒͷڞ༗͕ඞཁͳͷ͔

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௨ৗ͸֤ࣗͷεϚϗͷதͰดͨ͡"3ۭؒ ʢݟ͍ͯΔΦϒδΣΫτ͸ڞ༗͞Ε͍ͯͳ͍ʣ

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$MPVE"ODIPSTΛ࢖͏ͱʜ

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$MPVE"ODIPSTʹ͍ͭͯͷϝϞ w $MPVE"ODIPSTͰొ࿥ͨ͠ΞϯΧʔͷ༗ޮ࣌ؒ͸࣌ؒ w ௕ظؒͷڞ༗ʹ͸࢖͑ͳ͍ w Ң౓ܦ౓ʹΑΔҐஔ৘ใͰͷอଘ͕ඞཁ w Ң౓ܦ౓ʴ"ODIPS*%Λอଘ͓͖ͯ͠ɺແޮͳΒҢ౓ܦ౓ͷΈͰ഑ஔ͢Δ

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$MPVE"ODIPSTʹ͍ͭͯͷϝϞ w ఏڙ͞ΕΔ΋ͷɹ w पғͷಛ௃఺৘ใ w "ODIPSΦϒδΣΫτʢҐஔɺ࢟੎ʣ w ԿΛͦ͜ʹ഑ஔ͢Δ͔ɺΞχϝʔγϣϯͷ੍ޚͳͲ͸ࣗલͰ࣮૷͢Δඞཁ͋Γ

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$MPVE"ODIPSTʹ͍ͭͯͷϝϞ w ࣮ݧதͷ༻్ w Πϕϯτ౳Ͱಉ͡෦԰ʹ͍Δ৔߹ʹϓϩϑΟʔϧදࣔΛτϥοΩϯάදࣔ͢ Δ w ΞϯΧʔΛಉظ͢Δ͜ͱͰ࠲ඪܥΛἧ͑ΒΕΔ

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୺຤ͷҐஔτϥοΩϯά৘ใͷऔಘ 'SBNFGSBNFBS'SBHNFOUHFU"S4DFOF7JFX HFU"S'SBNF CPPMFBOXBT5SBDLJOHJT5SBDLJOH JT5SBDLJOHGSBNFOVMM GSBNFHFU$BNFSB HFU5SBDLJOH4UBUF 5SBDLJOH4UBUF53"$,*/( 1PTFDBNFSB1PTFGSBNFHFU$BNFSB HFU1PTF

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4DFOFGPSNͷίʔυϥϘ w ຊՈʢӳޠ൛ʣ w IUUQTDPEFMBCTEFWFMPQFSTHPPHMFDPN DPEFMBCTTDFOFGPSNJOUSP w ೔ຊޠ൛ʢ!FHB͞ΜͱߴڮʹΑΔ຋༁ʣ w IUUQTLUBLBHJUIVCJPDPEFMBC TDFOFGPSNBSKB

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੿࡞ͷ௥Ճ՝୊΋͋Γ·͢ IUUQTLUBLBHJUIVCJPDPEFMBCWJFXSFOEFSBCMF