Managed Debugger の使い方をご紹介/How to use Managed Debugger on Unity

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גࣜձࣾΩοζελʔ CTO ৿ɹ఩࠸ Managed Debugger  ͷ࢖͍ํΛ͝঺հ ·ͩ Debug.Log() ࢖ͬͯΔͷʂʁ  Unity 2018.2 ࣌୅ͷϞμϯͳσόοάख๏͸ίϨͩʂ 2018/11/28 Gotanda.unity #9 at Unity Technologies Japan

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͜Μ͹Μ͸ʂ 2

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•LT ֓ཁ •ࣗݾ঺հ •σόοάख๏͋Ε͜Ε •ϥΠϒσϞ •σόοΨͷ࢖͍ํ •·ͱΊ 3 ΞδΣϯμ

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•LT ֓ཁ •ࣗݾ঺հ •σόοάख๏͋Ε͜Ε •ϥΠϒσϞ •σόοΨͷ࢖͍ํ •·ͱΊ 4 ΞδΣϯμ ΠϚίί

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ࠓ೔ͷ͓࿩ͷ֓ཁ 5

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•Unity σόοά׬શʹཧղ͍ͨ͠ਓ •UniRx ͱ͔ͰϥϜμࣜΛ࢖͏ͱ  ʮελοΫτϨʔε͕ಡΈͮΒ͍…ʂʯ  ͬͯࢥ͍ͬͯΔਓ •iOS ͱ͔ Android ͱ͔ͷ  ࣮ػσόοάͰࢮʹͦ͏ʹͳͬͯΔਓ 6 ࠓ೔ͷର৅ऀ ֓ཁ

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•֤σόοάख๏ͷ࢖͍Ͳ͜Ζ •JetBrains Rider Λ༻͍ͨ Managed Debugger ͷ࢖͍ํ 7 ࠓ೔࿩͢ίτ ֓ཁ

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•JetBrains Rider Ҏ֎ͷ IDE ʹ  ԙ͚ΔσόοΨͷ࢖͍ํ •ίϯγϡʔϚήʔϜػʹԙ͚Δ  σόοΨͷ࢖͍ํ 8 ࠓ೔࿩͞ͳ͍ίτ ֓ཁ

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•Unity 2018.3.0b11  ʹͯಈ࡞֬ೝ͓ͯ͠Γ·͢ •JetBrains Rider 2018.3 EAP 7  ʹͯಈ࡞֬ೝ͓ͯ͠Γ·͢ •IL2CPP Backend ͳ iOS ϏϧυΛ  iOS 12.1 Ͱಈ࡞֬ೝ͓ͯ͠Γ·͢ 9 ։ൃ؀ڥ ֓ཁ

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•LT ֓ཁ •ࣗݾ঺հ •σόοάख๏͋Ε͜Ε •ϥΠϒσϞ •σόοΨͷ࢖͍ํ •·ͱΊ 10 ΞδΣϯμ ΠϚίί

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ࣗݾ঺հ 11

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12 Who am I ? ࣗݾ঺հ @monry a.k.a. ΋ΜΓ͌ઌੜ

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13 Who am I ? ࣗݾ঺հ •2019-2020 Microsoft MVP  for Developer Technologies •ࣗশ Unity ΤϰΝϯδΣϦετ

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14 Job ࣗݾ঺հ ࢠͲ΋޲͚ΞϓϦ࡞ͬͯΔձࣾͰ $50΍ͬͯ·͢

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15 Recruit ࣗݾ঺հ •Unity ͰͷΞχϝʔγϣϯ࡞Γ΍  γʔϯ࡞ΓͳͲΛߦ͏  Unity ΞʔςΟετ •Πϥετ੍࡞΍ը໘σβΠϯΛߦ͏  σβΠφɾΠϥετϨʔλ

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16 PR ࣗݾ঺հ ϚϯΨͰΘ͔Δ Unity ޷ධ࿈ࡌதʂ

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17 PR ࣗݾ঺հ #΋ͷϥδ ύʔιφϦςΟ΍ͬͯ·͢ʂ ήετืूதʂ

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ຊ୊ 18

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•LT ֓ཁ •ࣗݾ঺հ •σόοάख๏͋Ε͜Ε •ϥΠϒσϞ •σόοΨͷ࢖͍ํ •·ͱΊ 19 ΞδΣϯμ ΠϚίί

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σόοάख๏͋Ε͜Ε 20

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21 σόοάख๏ σόοάख๏ ໨ࢹ צ ϩά σόοΨ σόοΨ

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•Editor Ͱͷ࣮૷தͳΒɺ·͊ΞϦ •ͨͩ͠ɺϩάΛ௥Ճɾมߋ͢Δ౓ʹ  ίϯύΠϧ͕૸ΔͷͰ  ڊେϓϩδΣΫτͩͱγϯυΠ •࣮ػͰͷσόοά͸౎౓Ϗϧυ͕  ඞཁʹͳΔͷͰඇݱ࣮త 22 Debug.Log() ͡Όμϝʁ σόοάख๏

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•σόοάΛิॿ͢Διϑτ΢ΣΞ •Breakpoint Λுͬͯϓϩηε͕  ౰֘ߦʹࢸͬͨ࣌ʹҰ࣌ఀࢭ •Ұ࣌ఀࢭ࣌఺ͷม਺ͷঢ়ଶΛղੳ •ͦ͜ʹࢸΔελοΫτϨʔεΛදࣔ 23 σόοΨ is Կʁ σόοάख๏

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•Visual Studio ΍ JetBrains Rider  ͳͲͷ IDE ʹ౥ࡌ͞Ε͍ͯΔ •Visual Studio Code Ͱ΋֦ுػೳͱͯ͠  ΠϯετʔϧՄೳʢΒ͍͠ʣ •ίϯςΩετʹΑͬͯ͸σόοάΛઐ໳ͱ͢Δ  δϣϒͷਓΛࢦ͢ίτ΋͋Δ 24 σόοΨ is Կʁ σόοάख๏

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•LT ֓ཁ •ࣗݾ঺հ •σόοάख๏͋Ε͜Ε •ϥΠϒσϞ •σόοΨͷ࢖͍ํ •·ͱΊ 25 ΞδΣϯμ ΠϚίί

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Live Demo 26

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•LT ֓ཁ •ࣗݾ঺հ •σόοάख๏͋Ε͜Ε •ϥΠϒσϞ •σόοΨͷ࢖͍ํ •·ͱΊ 27 ΞδΣϯμ ΠϚίί

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σόοΨͷ࢖͍ํ 28

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ηΫγϣϯλΠτϧ •Ϗϧυ࣌ͷΦϓγϣϯ •Development Build •Script Debugging •Wait For Managed Debugger  Λ෇͚Δͱɺىಈ௚ޙʹ  μΠΞϩά͕ग़ͯ  σόοΨ઀ଓΛ଴ͯΔ 29 σόοΨͷ࢖͍ํ σόοΨͷ࢖͍ํ Unity 2018.2 ͔Β IL2CPP Backend Ͱ΋ Script Debugging Մೳʹ

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ηΫγϣϯλΠτϧ •Wait For Managed Debugger  Λ෇͚Δͱىಈ࣌ʹ  μΠΞϩά͕ग़Δ •Ok ϘλϯΛԡ͢·Ͱ  ϓϩηε͕Ұ࣌ఀࢭͯ͠  ͘ΕΔͷͰɺͦͷؒʹ  σόοΨΛ઀ଓ͢Δ 30 σόοΨͷ࢖͍ํ σόοΨͷ࢖͍ํ

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ηΫγϣϯλΠτϧ •Debugger ઀ଓ •ಉҰ LAN ಺ʹډΔ  ϓϩηεΛ୳ͯ͘͠ΕΔ •Editor ΋࣮ػ΋ର৅ 31 σόοΨͷ࢖͍ํ σόοΨͷ࢖͍ํ

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ηΫγϣϯλΠτϧ •Breakpoint ΛுΔ •Breakpoint ʹରͯ͠  ৚݅ࣜΛઃఆՄೳ  ʢ࣮ػͩͱո͍͠ʁʣ •εΫγϣ͸ this ͕ null ͷ৔߹ʹࢭΊ͍ͯΔ 32 σόοΨͷ࢖͍ํ σόοΨͷ࢖͍ํ Unity ͋Δ͋Δ

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ηΫγϣϯλΠτϧ •Exception Λ Watch •Exception ൃੜ࣌఺Ͱ  ࢭΊͯ͘ΕΔ •ӈԼͷεΫγϣͷ৔߹  transform ࢀর࣌఺Ͱ  NullReferenceException ͕  ൃੜ͍ͯ͠Δ 33 σόοΨͷ࢖͍ํ σόοΨͷ࢖͍ํ

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•LT ֓ཁ •ࣗݾ঺հ •σόοάख๏͋Ε͜Ε •ϥΠϒσϞ •σόοΨͷ࢖͍ํ •·ͱΊ 34 ΞδΣϯμ ΠϚίί

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·ͱΊ 35

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•σόοΨΛ࢖͑͹ಡΈਏ͍Τϥʔ΋  ղੳ͠΍͘͢ͳΔʂ •Xcode ܨ͕ͳͯ͘΋࣮ػσόοάՄೳʂ •Managed Code ͰσόοάͰ͖Δʂ •Visual Studio ͳΓ Rider ͳΓ  ศརͳ IDE Λੵۃతʹ࢖͍ͬͯ͜͏ʂ 36 ·ͱΊ ·ͱΊ Unity 2018.2 ͔Β

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•ຊ೔࢖ͬͨσϞϓϩδΣΫτ • https://github.com/monry/debugger_demo 37 Appendix

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Thank you for your attention!! 38