さらば💩コード！Clean Architecture をマスターして次世代の Unity エンジニアになろう！/Let's master the Clean Architecture

by Tetsuya Mori

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גࣜձࣾΩοζελʔ CTO ৿ɹ఩࠸ ͞Β͹ίʔυʂ Clean Architecture Λ  Ϛελʔͯ࣍͠ੈ୅ͷ  Unity ΤϯδχΞʹͳΖ͏ʂ ABC 2018s @ 2018/06/09

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2 ͜Μʹͪ͸ʂ

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3 ಥવͰ͕͢ɺ ͜Μͳίʔυॻ͍ͯ·ͤΜ͔ʁ

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4 ωετͷਂ͍ Update(), FixedUpdate()

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5 1,000ߦΛ௒͑Δ GameManager.cs

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6 SingletonMonoBehaviour Λ ܧঝͨ͠େྔͷ Manager Ϋϥε

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7 ςετίʔυ͕1ߦ΋ ଘࡏ͠ͳ͍ϓϩδΣΫτ

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8 ࠓ೔͸

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9 ͜Μͳ…

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10 ͳϓϩδΣΫτΛ ͳϓϩδΣΫτ΁ ੜ·ΕมΘΒͤΔํ๏

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11 ʹ͍͓ͭͯ࿩͠͠·͢

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ࣗݾ঺հ 12

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w৿ɹ఩࠸ʢBLB΋ΜΓ͌ઌੜʣ w೥࡛ۄݝ࢈ wגࣜձࣾΩοζελʔ$50 wࡀϲ݄ͷ່ʹκοίϯ-07& w͓ञͱ߹এͱϓϩάϥϛϯά͕झຯ w5XJUUFS!NPOSZ(JU)VC!NPOSZ 13 Who am I ?

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w ࢠͲ΋޲͚εϚϗΞϓϦ  ։ൃͳͲ w ೥͋ͨΓ͔Β  6OJUZΨοπϦ w ͬ͜͝ϥϯυ  ྦྷܭສ%- w "QQ4UPSF(PPHMF1MBZ  ʹͯࢠͲ΋޲͚ΧςΰϦ  ϥϯΩϯά501 14 ͓͠͝ͱ

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ΞδΣϯμ 15

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w6OJUZ։ൃ͋Δ͋Δ wີ݁߹ˠૄ݁߹ w$MFBO"SDIJUFDUVSFʹ͍ͭͯ w$"'6ʹ͍ͭͯ 16 ͓͠ͳ͕͖

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w6OJUZ։ൃ͋Δ͋Δ wີ݁߹ˠૄ݁߹ w$MFBO"SDIJUFDUVSFʹ͍ͭͯ w$"'6ʹ͍ͭͯ 17 ͓͠ͳ͕͖

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Unity ։ൃ͋Δ͋Δ 18

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wʮ͜ͷίϯϙʔωϯτमਖ਼͠Αʯ wʮ͑ͬͱɺ͜ͷJGͷதͷGPSFBDI  ͷதͷFMTFJGͷதͷʜʯ wʮ͜ͷதׅހɺͲ͜ͷ৚݅ͩʜʁʯ wˠ௒ωετ͕ਂ͍6QEBUF 19 ͋Δ͋Δݴ͍͍ͨ Unity ։ൃ͋Δ͋Δ

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wʮήʔϜͷϩδοΫΛڞ௨Խ͢ΔͰʯ wʮ͜ͷॲཧ΋ڞ௨Խ͢ΔͰʯ wʮ͜Ε΋ɺ͋Ε΋ʜɻʯ wˠ ߦΛ௒͢(BNF.BOBHFSDT 20 ͋Δ͋Δݴ͍͍ͨ Unity ։ൃ͋Δ͋Δ

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wʮ͜ͷίϯϙʔωϯτ͸ɺͲ͜ͷγʔ ϯ͔ΒͰ΋ࢀর͍ͨ͠ʯ wʮ΄͏ɺDontDestroyOnLoadͱͳʯ wˠ4JOHMFUPO.POP#FIBWJPVSྔ࢈ 21 ͋Δ͋Δݴ͍͍ͨ Unity ։ൃ͋Δ͋Δ

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wʮ6OJUZ5FTU5PPMT࢖͏ͧʔʯ wʮ͜ͷϝιουςετ͢Δʹ͸ɺ  ͜ͷΫϥεΛॳظԽͯ͠ɺ͜ͷΫϥεΛ  ॳظԽ͢Δʹ͸ผͷγʔϯͷΫϥε͕  ඞཁͰʜɻʯ wˠςετಋೖ࠳ં 22 ͋Δ͋Δݴ͍͍ͨ Unity ։ൃ͋Δ͋Δ

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wQVCMJDͱ͔<4FSJBMJ[F'JFME>ʹΑΓ  ෳࡶʹབྷΈ߹͏.POP#FIBWJPVS wαʔόଆͷσʔλߏ଄มߋͷ  Өڹൣғ͕ਙେ w4DSJQUBCMF0CKFDU࿔ͬͨΒϩʔΧϧʹ  อଘͯ͠ΔσʔλϑΝΠϧ͕յΕͨ 23 ଞʹ΋… Unity ։ൃ͋Δ͋Δ

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wϩδοΫͷڞ௨ԽΛਤΖ͏ͱ͢Δ͕  γʔϯຖͷඍົͳࠩҟΛٵऩ͖͠Εͣ  େྔͷҾ਺ͱ৚݅෼ذ͕ൃੜ wσʔλͷఏڙݩຖʹσʔλߏ଄ఆٛ  Ϋϥε͕ྔ࢈͞ΕΔ 24 ଞʹ΋… Unity ։ൃ͋Δ͋Δ

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25 ͜͏͍͏ঢ়ଶ

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26 is

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27 ີ݁߹

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28 ີ݁߹

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29 ີ݁߹

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w6OJUZ։ൃ͋Δ͋Δ wີ݁߹ˠૄ݁߹ w$MFBO"SDIJUFDUVSFʹ͍ͭͯ w$"'6ʹ͍ͭͯ 31 ͓͠ͳ͕͖

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ີ݁߹→ૄ݁߹ 32

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wมߋʹରͯ͠੬ऑ wͦ΋ͦ΋มߋ͠ਏ͍ wӨڹൣғɾ੹೚ൣғ͕ෆ໌ྎ wଞਓ͕ಡΈਏ͍ wϲ݄લͷࣗ෼͸ଞਓͰ͢ 33 ີ݁߹͸Կނʁ ີ݁߹→ૄ݁߹

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w૯ͯ͡ɺϝϯςφϯεੑ͕௿͍ wٯʹϝϯςφϯεΛཁ͠ͳ͍  ϓϩμΫτͰ͋Ε͹ɺΨοͱ  ີ݁߹ͳίʔυͰૉૣ͘ॻ͘ͷ΋ΞϦ 34 ີ݁߹͸Կނʁ ີ݁߹→ૄ݁߹

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w͋ΔΫϥεͷमਖ਼͕ଞͷΫϥεʹٴ͹ ͳ͍ wΫϥεͷ੹೚͕໌֬Ͱςετ͕ॻ͖΍ ͍͢ w֦ு͕͠қ͍ 35 ૄ݁߹͸Կނʁ ີ݁߹→ૄ݁߹

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w૯ͯ͡ɺϝϯςφϯεੑ͕ߴ͍ wճҎ্ϝϯςφϯεʢमਖ਼ʣΛ  ߦ͏ϓϩμΫτͰ͋Ε͹ɺ  ϝϯςφϯεੑͷߴ͕͞Ձ஋ʹܨ͕Δ 36 ૄ݁߹͸Կނʁ ີ݁߹→ૄ݁߹

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37 How to ૄ݁߹ʁ

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39 Ҏ্ɻ

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40 ͱ͍͏ͷ΋ΞϨͳͷͰ

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41 ૄ݁߹ͷͨΊͷ  ςΫχοΫΛʢࡶʹʣ঺հ

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w4JOHMF3FTQPOTJCJMJUZ1SJODJQMF w0QFODMPTFEQSJODJQMF w-JTLPWTVCTUJUVUJPOQSJODJQMF w*OUFSGBDFTFHSFHBUJPOQSJODJQMF w%FQFOEFODZJOWFSTJPOQSJODJQMF 42 SOLID ݪଇ ີ݁߹→ૄ݁߹

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w୯Ұ੹೚ͷݪଇ w։์ด࠯ͷݪଇ wϦείϑͷஔ׵ݪଇ wΠϯλϑΣʔε෼཭ͷݪଇ wґଘੑٯసͷ๏ଇ 43 SOLID ݪଇ ີ݁߹→ૄ݁߹

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w40-*%ݪଇ͕कΒΕ͍ͯΔίʔυ͸  ͦͷҰͭҰͭʹ͍ͭͯɺؔ৺ͷ෼཭͕  ߦΘΕ͍ͯΔͱݴ͑Δ w͢ͳΘͪɺݸʑͷίʔυʹ͓͚Δ  ؔ৺ࣄ͕গͳ͍ w͢ͳΘͪɺૄ݁߹ͩͱݴ͑Δ 45 SOLID ݪଇ ີ݁߹→ૄ݁߹

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wૄ݁߹ͳγεςϜʹର͢Δςετ͸  ͭͷςετίʔυ͕ෛ͏੹຿͕ڱ͍ wςετΛ࣮ࢪ͢Δࡍͷ४උॲཧ͕  গͳ͘ͳΔέʔε͕ଟ͍ 46 ૄ݁߹ × ςετ ີ݁߹→ૄ݁߹

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wۃ࿦ͱͯ͠͸ɺ֤ཁૉʹର͢Δ65͕  ॻ͔Ε͍ͯΕ͹*5͸ͦ͜·Ͱ  ؤுΒͳͯ͘΋ࡁΉ 47 ૄ݁߹ × ςετ ີ݁߹→ૄ݁߹

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48 ͰʁHow to ૄ݁߹ʁ

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w6OJUZ։ൃ͋Δ͋Δ wີ݁߹ˠૄ݁߹ w$MFBO"SDIJUFDUVSFʹ͍ͭͯ w$"'6ʹ͍ͭͯ 49 ͓͠ͳ͕͖

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Clean Architecture ʹ͍ͭͯ 50

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51 ͷɺલʹ

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w͜͜·Ͱ͸୯ҰͷΫϥεʹؔ͢Δ  ؔ৺ͷ෼཭ʹ͍ͭͯ wҰͭࢹ࠲Λ֦͛ͯϨΠϠʔʹؔ͢Δ  ؔ৺ͷ෼཭ʹ͍ͭͯߟ͑Δ 52 ؔ৺ͷ෼཭ Clean Architecture ʹ͍ͭͯ

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wιϑτ΢ΣΞΞʔΩςΫνϟ ʹԙ͍ͯɺҰൠʹҎԼͷ  Α͏ʹϨΠϠʔΛ෼͚Δ  ʢίτ͕ଟ͍ʣ w1SFTFOUBUJPO ݟͨ໨ w%PNBJO ϩδοΫ w%BUB σʔλ 53 ؔ৺ͷ෼཭ for ϨΠϠʔ Presentation Domain Data Clean Architecture ʹ͍ͭͯ

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w.7$΍.71ͳͲͷ  ΞʔΩςΫνϟʹΑΓ  1SFTFOUBUJPOͱ%PNBJO  ͷ෼཭͕࣮ݱ͞ΕΔ w֤ΞʔΩςΫνϟͰ  ෼཭ͷ۩ମతͳखஈ͸  ༷ʑ w.71΍.77.ͩͱ  3YΛ࢖͏ͷ͕Ұൠతʁ 54 ؔ৺ͷ෼཭ for ϨΠϠʔ Presentation Domain Data Clean Architecture ʹ͍ͭͯ

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w%PNBJOͱ%BUBͷ෼཭͸  ֤छσβΠϯύλʔϯ͕  ୲͏͜ͱ͕ଟ͔ͬͨ wͱ͍͏͔ɺ.7Ͱ͸  %PNBJO૚Ҏ߱ʹ͍ͭͯͷ  ੹຿ΛΞʔΩςΫνϟ  ͱͯ͠͸ෛ͍ͬͯͳ͍ײ͡ 55 ؔ৺ͷ෼཭ for ϨΠϠʔ Presentation Domain Data Clean Architecture ʹ͍ͭͯ

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wͰɺͦͷล΋ఆٛͨ͠  ΞʔΩςΫνϟ͕ొ৔͢Δ w)FYBHPOBM"SDIJUFDUVSF w0OJPO"SDIJUFDUVSF w$MFBO"SDIJUFDUVSF 56 ؔ৺ͷ෼཭ for ϨΠϠʔ Presentation Domain Data Clean Architecture ʹ͍ͭͯ

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57 Α͏΍͘ຊ୊

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w6ODMF#PC 3PCFSU$.BSUJO ࢯ͕ ೥݄ʹఏҊ wJ04ͷ7*1&3ͳΜ͔΋ίϨ͕ݯྲྀ 58 Clean Architecture Clean Architecture ʹ͍ͭͯ

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59 Clean Architecture Clean Architecture ʹ͍ͭͯ

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60 ͳΔ΄ͲɺΘ͔ΒΜɻ

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61 ࢲͳΓʹղऍͯ͠Έͨ

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wϨΠϠʔͷ໾ׂΛఆٛ͢Δ wϨΠϠͷ੹຿Λ໌֬Խ wOBNFTQBDFͳͲͰ  ෼͔Γ΍͘͢͢Δ 62 Clean Architecture Clean Architecture ʹ͍ͭͯ

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wґଘͷϧʔϧΛकΔ wؔ৺ͷ޲͖͸Ұํ޲ wݪଇతʹಉϨΠϠʔؒ͸  ґଘͤ͞ͳ͍ wϨΠϠʔΛඈͼӽ͑ͳ͍ 63 Clean Architecture Clean Architecture ʹ͍ͭͯ

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wϨΠϠʔఆٛ͸ࣗ༝ w਺ͱ͔͸ෆఆ wϓϩμΫτຖʹॊೈʹ w଍Γͳ͖Ό૿΍͢ 64 Clean Architecture Clean Architecture ʹ͍ͭͯ

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wϨΠϠʔؒͷؔ৺Λ෼཭ w40-*%ݪଇ wJOUFSGBDFΛ༻͍ͯ  ۩৅Ϋϥε΁ͷґଘഉআ w%FQFOEFODZ*OKFDUJPOT 65 Clean Architecture Clean Architecture ʹ͍ͭͯ

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wಉ৺ԁͷਤ͸ؔ৺ͷ޲͖ w಺ଆ͸֎ଆΛ஌Βͳ͍ w(BUFXBZT͸%#͕  Ͳ͏΍ͬͯσʔλΛ  ѻ͏͔͸஌Βͳ͍ɺͱ͔ wσʔλͷྲྀΕ͸ผͷ͓࿩ wӈԼͷਤ͕ιϨ 66 Clean Architecture Clean Architecture ʹ͍ͭͯ

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67 ΜͰ

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68 ͜ΕΛ Unity ʢ͔ͬͯ C#ʣ  Ͱ࣮૷ͯ͠Έͨ

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w6OJUZ։ൃ͋Δ͋Δ wີ݁߹ˠૄ݁߹ w$MFBO"SDIJUFDUVSFʹ͍ͭͯ w$"'6ʹ͍ͭͯ 69 ͓͠ͳ͕͖

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CAFU ʹ͍ͭͯ 70

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w$MFBO"SDIJUFDUVSF'PS6OJUZͷུ wʮ͔;ʔʯͱಡΉ wώωϦ͕ͳ͍ͱ͔ݴΘͳ͍ɻ w.*5-JDFOTFͳ044 wIUUQTHJUIVCDPNVNNQSPKFDUTDBGV@DPSF 71 CAFU is Կʁ CAFU ʹ͍ͭͯ

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wجຊతʹ͸JOUFSGBDFͷΈΛఏڙ w6OJUZͱର࿩͢Δ্ͰඞཁʹͳΔ  ΫϥεΛఏڙ wΩοζελʔͷΞϓϦ։ൃͰ  ௒ઈ࢖ͬͯΔ 72 CAFU is Կʁ CAFU ʹ͍ͭͯ

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73 ϨΠϠʔఆٛ

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74 ϨΠϠʔఆٛ CAFU ʹ͍ͭͯ

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75 ґଘؔ܎ CAFU ʹ͍ͭͯ

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w.POP#FIBWJPVSͱର࿩͠  ݟͨ໨Λ࢘ΔϨΠϠʔ w1SFTFOUFSͷΈґଘՄ 76 Presentation / View CAFU ʹ͍ͭͯ

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w7JFXͱ6TF$BTFΛܨ͙ϨΠϠʔ w6TF$BTF͸ޙड़ wঢ়ଶΛ࣋ͨͳ͍ 77 Presentation / Presenter CAFU ʹ͍ͭͯ

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wϏδωεϩδοΫͷ࣮૷ͦͷ΋ͷ wܭࢉॲཧͳͲΛ୲͏ wޙड़ͷ.PEFMͱͯ͠දݱ͞ΕΔ  ঢ়ଶΛอ࣋ͨ͠Γ͢Δ 78 Domain / UseCase CAFU ʹ͍ͭͯ

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wओʹ7JFXͰͷར༻Λ໨తͱͨ͠  σʔλͷߏ଄ w6OJ3YΛ௨ͯ͡7JFXʹૹΒΕΔ w3YετϦʔϜΛؚΊͨঢ়ଶΛ؅ཧ 79 Domain / Model CAFU ʹ͍ͭͯ

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wޙड़ͷ&OUJUZͱ.PEFMͱΛ૬ޓม׵ ͢ΔͨΊͷTranslate()ϝιουΛ  උ͑Δ w֎෦࢓༷ͷมߋΛ6TF$BTF΍7JFX ʹ఻೻ͤ͞ͳ͍ͨΊʹఆٛ 80 Domain / Translator CAFU ʹ͍ͭͯ

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w%BUBϨΠϠʔͱର࿩͢ΔͨΊͷ  ϨΠϠʔ wσʔλΛಡΈॻ͖͢ΔͨΊͷ  ΠϯλϑΣʔεΛ࣋ͭ 81 Domain / Repository CAFU ʹ͍ͭͯ

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wσʔλͷߏ଄Λఆٛͨ͠ϨΠϠʔ wσʔλͷ࣮ମ͕ԿͰ͋Εɺ  ߏ଄දݱͱͯ͠͸ҰͭͷΫϥεͰද͢ w4DSJQUBCMF0CKFDU͕ϝϯυΠʜɻ 82 Data / Entity CAFU ʹ͍ͭͯ

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wσʔλͷऔΓѻ͍Λ࣮૷ͨ͠ϨΠϠʔ w4DSJQUBCMF0CKFDUͱ͔ɺ  8FC"1*ܦ༝ͷ+40/ͱ͔ɺ  42-JUFܦ༝ͷσʔλͱ͔ɺFUD 83 Data / DataStore CAFU ʹ͍ͭͯ

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wFOVNͱ͔DPOTUతͳ஋Λ؅ཧ͢Δ ͨΊͷ"QQMJDBUJPOϨΠϠʔ w%*༻ͷ'BDUPSZΫϥεͱ͔Λ  ֨ೲ͢Δ6UJMJUZϨΠϠʔ 84 ͦͷଞ CAFU ʹ͍ͭͯ

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wམͪϞϊήʔϜΛྫʹղઆ wʙ৭ͷάϛ͕  ݸηοτͰམԼ wͭἧ͏ͱফ͑Δ wළͷ࠷্ஈ·Ͱୡͨ͠Β  ήʔϜΦʔόʔ wͦͷ࣌఺ͷείΞΛه࿥ 85 ྫ͑͹ CAFU ʹ͍ͭͯ

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• Controller w γʔϯ੍ޚ w 1SFTFOUFSॳظԽ • Gummi w ߱ͬͯ͘Δάϛ  •Floor wϘτϧͷচ •Ceil wϘτϧͷఱҪ •Wall wϘτϧͷน 86 Presentation / View CAFU ʹ͍ͭͯ

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•StagePresenter wγʔϯैଐ1SFTFOUFS 87 Presentation / Presenter CAFU ʹ͍ͭͯ

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•GummiStateUseCase wεςʔδதͷάϛͷঢ়ଶ Λ؅ཧɾܭࢉ wάϛண஍ˠ࠶ܭࢉͱ͔ wͪ͗Ε൑ఆͱ͔ •ScoreUseCase wಘ఺Λ؅ཧɾܭࢉ •StageUseCase wεςʔδͷߏ੒Λ؅ཧ wԿ৭ͷάϛΛग़͢ʁ wམԼεϐʔυ͸ʁ 88 Domain / UseCase CAFU ʹ͍ͭͯ

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•GummiModel wάϛҰͭ෼Λදݱ w৭ͱ͔4UBUFͱ͔ •GummiMapModel wεςʔδ಺ͷશάϛ৘ใ  •ForecastGummiModel w༧ࠂάϛͷঢ়ଶ •ScoreModel wݱࡏͷಘ఺ •PointModel wάϛফڈʹΑΔ֫ಘಘ఺ 89 Domain / Model CAFU ʹ͍ͭͯ

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•GummiTranslator w4UBHF-FWFM&OUJUZͱ  Ґஔ͔Β4DPSF.PEFM Λੜ੒ •ScoreEntityTranslator w4DPSF.PEFMΛ 4DPSF&OUJUZʹม׵ 90 Domain / Translator CAFU ʹ͍ͭͯ

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•ScoreRepository wείΞΛಡΈॻ͖ •StageLevelRepository wεςʔδͷάϛ৭ߏ੒  ͳͲͷϚελΛऔಘ 91 Domain / Repository CAFU ʹ͍ͭͯ

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•ScoreEntity wεςʔδ෼ͷείΞ •ScoreMapEntity wશεςʔδ෼ͷείΞ  •GummiPointMapEntity w࿈࠯ຖͷ֫ಘ఺਺Ϛελ •StageLevelEntity wεςʔδ೉қ౓ఆٛ •StageLevelMapEntity wશεςʔδ෼ͷ೉қ౓ 92 Data / Entity CAFU ʹ͍ͭͯ

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•ScriptableObjectDataStore wγʔϯதͷ೚ҙͷ  ίϯϙʔωϯτ͔Β  ࢀর͞ΕΔ 4DSJQUBCMF0CKFDU͔Β  &OUJUZΛऔಘ  •LocalStorageDataStore wϩʔΧϧετϨʔδʹ  +40/ͱ͔Ͱ&OUJUZΛ  อଘͨ͠ΓಡΜͩΓ 93 Data / DataStore CAFU ʹ͍ͭͯ

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94 σʔλͷྲྀΕ

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wϘλϯ͕ΫϦοΫ͞ΕͯԿ͔ॲཧ͢Δ 95 σʔλͷྲྀΕ CAFU ʹ͍ͭͯ

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wԿΒ͔ͷτϦΨʔͰঢ়ଶ͕มԽ 96 σʔλͷྲྀΕ CAFU ʹ͍ͭͯ

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wλΠϚʔతͳ࣮૷ 97 σʔλͷྲྀΕ CAFU ʹ͍ͭͯ

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wόφʔը૾Λαʔό͔Βऔಘ 98 σʔλͷྲྀΕ CAFU ʹ͍ͭͯ

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wόφʔը૾Λ୺຤ʹΩϟογϡ 99 σʔλͷྲྀΕ CAFU ʹ͍ͭͯ

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wϚελσʔλΛ4DSJQUBCMF0CKFDU͔Βऔಘ 100 σʔλͷྲྀΕ CAFU ʹ͍ͭͯ

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wϚελσʔλΛ4DSJQUBCMF0CKFDU͔Βऔಘ  ʢϥΠτ൛ʣ 101 σʔλͷྲྀΕ CAFU ʹ͍ͭͯ

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·ͱΊ 102

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wૄ݁߹ͳΞϓϦέʔγϣϯΛ  ߏங͢Δͱϝϯςφϯεੑ w$MFBO"SDIJUFDUVSF͕Φεεϝ w$"'6࢖ͬͯΈͯͶʂ 103 ·ͱΊ

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͓·͚ 104

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105 ͪΐͬͱऄ଍

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wʮґଘੑ஫ೖʯͱ͔೔ຊޠ༁͞ΕΔ wʮґଘʯͱ͔ݴ͏͔Β෼͔Γਏ͍ wࡶʹݴ͑͹ʮΠϯελϯεΛઃఆ͢Δ  ʢड͚౉͢ʣʯͬͯίτ 106 Dependency Injections ͓·͚

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107 Dependency Injections using UnityEngine; public class Player : MonoBehaviour { private void Update() { MovePosition(); } private void MovePosition() { var horizontal = Input.GetAxis("Horizontal"); var vertical = Input.GetAxis("Vertical"); transform.position = new Vector3( transform.position.x + horizontal, transform.position.y, transform.position.z + vertical ); } } ͓·͚ ྫ͑͹͜Μͳίʔυ

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108 Dependency Injections var horizontal = Input.GetAxis("Horizontal"); var vertical = Input.GetAxis("Vertical"); transform.position = new Vector3( transform.position.x + horizontal, transform.position.y, transform.position.z + vertical ); ͓·͚ ֦େ

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w.PWF1PTJUJPO Λςετ͍ͨ͠ wॎԣೖྗͷऔಘॲཧΛந৅Խ͢Δඞཁ ͕͋Δ w6OJUZ&OHJOF*OQVUΛந৅Խ͠Α͏ 109 Dependency Injections ͓·͚

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110 Dependency Injections using UnityEngine; public class Player : MonoBehaviour { private IInput Input { get; set; } public void SetInput(IInput input) { Input = input; } private void Update() { MovePosition(); } private void MovePosition() { var horizontal = Input.GetHorizontalAxis(); var vertical = Input.GetVerticalAxis(); transform.position = new Vector3( transform.position.x + horizontal, transform.position.y, transform.position.z + vertical ); } } public class Installer : MonoBehaviour { [SerializeField] private Player player; private void Start() { player.SetInput(new UnityInput()); } } public interface IInput { float GetHorizontalAxis(); float GetVerticalAxis(); } public class UnityInput : IInput { public float GetHorizontalAxis() { return Input.GetAxis("Horizontal"); } public float GetVerticalAxis() { return Input.GetAxis("Vertical"); } } public class TestInput : IInput { public float GetHorizontalAxis() { return 1.0f; } public float GetVerticalAxis() { return 1.0f; } } ͓·͚ ͜͏ͳΔ

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111 Dependency Injections public class PlayerTest { [UnityTest] public IEnumerator MovePositionTest() { var go = new GameObject(); var player = go.AddComponent(); yield return new WaitForEndOfFrame(); // 初期化待ち player.transform.position = Vector3.zero; player.SetInput(new TestInput()); // Dependency Injection yield return new WaitForEndOfFrame(); Assert.AreEqual(new Vector3(1f, 0f, 1f), player.transform.position); } } ͓·͚ ςετίʔυ͸ͪ͜Β

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112 Dependency Injections public interface IInput { float GetHorizontalAxis(); float GetVerticalAxis(); } ͓·͚ ֦େʢJOUFSGBDFʣ

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113 Dependency Injections public class UnityInput : IInput { public float GetHorizontalAxis() { return Input.GetAxis("Horizontal"); } public float GetVerticalAxis() { return Input.GetAxis("Vertical"); } } ͓·͚ ֦େʢ۩৅Ϋϥεʣ

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114 Dependency Injections private IInput Input { get; set; } ... var horizontal = Input.GetHorizontalAxis(); var vertical = Input.GetVerticalAxis(); ͓·͚ ֦େʢར༻Ϋϥεʣ

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115 Dependency Injections public void SetInput(IInput input) { Input = input; } ... public class Installer : MonoBehaviour { [SerializeField] private Player player; private void Start() { player.SetInput(new UnityInput()); } } ͓·͚ ֦େʢར༻Ϋϥεʣ

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Dependency Injections ͓·͚ ֦େʢςετίʔυʣ 116 public class PlayerTest { [UnityTest] public IEnumerator MovePositionTest() { var go = new GameObject(); var player = go.AddComponent(); yield return new WaitForEndOfFrame(); // 初期化待ち player.transform.position = Vector3.zero; player.SetInput(new TestInput()); // Dependency Injection yield return new WaitForEndOfFrame(); Assert.AreEqual( new Vector3(1f, 0f, 1f), player.transform.position ); } }

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w*OTUBMMFSΛ೚ҙͷ(BNF0CKFDUʹ  Ξλονͯ͠1MBZFSΛઃఆ wςετͷ࣌͸1MBZFSͷΠϯελϯεʹ  4FU*OQVU OFX5FTU*OQVU ͱ͔ w1MBZ.PEFςετͰGޙʹ࠲ඪ͕  ʹͳͬͯΔ͔ʁΛ"TTFSU 117 Dependency Injections ͓·͚

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118 Dependency Injections ʢΞϯνύλʔϯʣ using UnityEngine; public static class InputManager { private static IInput Input { get; set; } public static IInput GetInstance() { return Input ?? (Input = new UnityInput()); } public static void SetInstance(IInput input) { Input = input; } } public class Player : MonoBehaviour { private void Update() { MovePosition(); } private void MovePosition() { var horizontal = InputManager.GetInstance().GetHorizontalAxis(); var vertical = InputManager.GetInstance().GetVerticalAxis(); transform.position = new Vector3( transform.position.x + horizontal, transform.position.y, transform.position.z + vertical ); } } ͓·͚ Ұํɺ͜Μͳίʔυ

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119 Dependency Injections ʢΞϯνύλʔϯʣ public static class InputManager { private static IInput Input { get; set; } public static IInput GetInstance() { return Input ?? (Input = new UnityInput()); } public static void SetInstance(IInput input) { Input = input; } } ͓·͚ ֦େʢ*OQVU.BOBHFSʣ

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120 Dependency Injections ʢΞϯνύλʔϯʣ var horizontal = InputManager.GetInstance().GetHorizontalAxis(); var vertical = InputManager.GetInstance().GetVerticalAxis(); ͓·͚ ֦େʢར༻Ϋϥεʣ

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w͜Ε͸ɺαʔϏεϩέʔλύλʔϯͱ ͍͏%*ʹ͓͚ΔΞϯνύλʔϯͰ͢ w*OQVU.BOBHFS΁ͷґଘ͕૿͑ͯ  ͠·͍ɺґଘؔ܎ͷݟ௨͕͠ѱ͍ wςετ͢Δ࣌ʹ*OQVU.BOBHFS΁ͷ  Πϯελϯεઃఆ͕௥ՃͰඞཁʹͳΔ 121 Dependency Injections ʢΞϯνύλʔϯʣ ͓·͚