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

2018/11/28 (Wed) に開催された Gotanda.unity #9 での登壇資料になります。

Transcript

1. 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
   

   View Slide

2. ͜Μ͹Μ͸ʂ
   2
   

   View Slide

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

   View Slide

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

   View Slide

5. ࠓ೔ͷ͓࿩ͷ֓ཁ
   5
   

   View Slide

6. •Unity σόοά׬શʹཧղ͍ͨ͠ਓ
   •UniRx ͱ͔ͰϥϜμࣜΛ࢖͏ͱ

   ʮελοΫτϨʔε͕ಡΈͮΒ͍…ʂʯ

   ͬͯࢥ͍ͬͯΔਓ
   •iOS ͱ͔ Android ͱ͔ͷ

   ࣮ػσόοάͰࢮʹͦ͏ʹͳͬͯΔਓ
   6
   ࠓ೔ͷର৅ऀ
   ֓ཁ
   

   View Slide

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

   View Slide

8. •JetBrains Rider Ҏ֎ͷ IDE ʹ

   ԙ͚ΔσόοΨͷ࢖͍ํ
   •ίϯγϡʔϚήʔϜػʹԙ͚Δ

   σόοΨͷ࢖͍ํ
   8
   ࠓ೔࿩͞ͳ͍ίτ
   ֓ཁ
   

   View Slide

9. •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
   

   View Slide

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

    View Slide

11. ࣗݾ঺հ
    11
    

    View Slide

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

    View Slide

13. 13
    Who am I ?
    ࣗݾ঺հ
    •2019-2020 Microsoft MVP

    for Developer Technologies
    •ࣗশ Unity ΤϰΝϯδΣϦετ
    

    View Slide

14. 14
    Job
    ࣗݾ঺հ
    ࢠͲ΋޲͚ΞϓϦ࡞ͬͯΔձࣾͰ
    $50΍ͬͯ·͢
    

    View Slide

15. 15
    Recruit
    ࣗݾ঺հ
    •Unity ͰͷΞχϝʔγϣϯ࡞Γ΍

    γʔϯ࡞ΓͳͲΛߦ͏

    Unity ΞʔςΟετ
    •Πϥετ੍࡞΍ը໘σβΠϯΛߦ͏

    σβΠφɾΠϥετϨʔλ
    

    View Slide

16. 16
    PR
    ࣗݾ঺հ
    ϚϯΨͰΘ͔Δ Unity ޷ධ࿈ࡌதʂ
    

    View Slide

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

    View Slide

18. ຊ୊
    18
    

    View Slide

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

    View Slide

20. σόοάख๏͋Ε͜Ε
    20
    

    View Slide

21. 21
    σόοάख๏
    σόοάख๏
    ໨ࢹ
    צ
    ϩά σόοΨ
    σόοΨ
    

    View Slide

22. •Editor Ͱͷ࣮૷தͳΒɺ·͊ΞϦ
    •ͨͩ͠ɺϩάΛ௥Ճɾมߋ͢Δ౓ʹ

    ίϯύΠϧ͕૸ΔͷͰ

    ڊେϓϩδΣΫτͩͱγϯυΠ
    •࣮ػͰͷσόοά͸౎౓Ϗϧυ͕

    ඞཁʹͳΔͷͰඇݱ࣮త
    22
    Debug.Log() ͡Όμϝʁ
    σόοάख๏
    

    View Slide

23. •σόοάΛิॿ͢Διϑτ΢ΣΞ
    •Breakpoint Λுͬͯϓϩηε͕

    ౰֘ߦʹࢸͬͨ࣌ʹҰ࣌ఀࢭ
    •Ұ࣌ఀࢭ࣌఺ͷม਺ͷঢ়ଶΛղੳ
    •ͦ͜ʹࢸΔελοΫτϨʔεΛදࣔ
    23
    σόοΨ is Կʁ
    σόοάख๏
    

    View Slide

24. •Visual Studio ΍ JetBrains Rider

    ͳͲͷ IDE ʹ౥ࡌ͞Ε͍ͯΔ
    •Visual Studio Code Ͱ΋֦ுػೳͱͯ͠

    ΠϯετʔϧՄೳʢΒ͍͠ʣ
    •ίϯςΩετʹΑͬͯ͸σόοάΛઐ໳ͱ͢Δ

    δϣϒͷਓΛࢦ͢ίτ΋͋Δ
    24
    σόοΨ is Կʁ
    σόοάख๏
    

    View Slide

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

    View Slide

26. Live Demo
    26
    

    View Slide

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

    View Slide

28. σόοΨͷ࢖͍ํ
    28
    

    View Slide

29. 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
    

    View Slide

30. ηΫγϣϯλΠτϧ
    •Wait For Managed
    Debugger

    Λ෇͚Δͱىಈ࣌ʹ

    μΠΞϩά͕ग़Δ
    •Ok ϘλϯΛԡ͢·Ͱ

    ϓϩηε͕Ұ࣌ఀࢭͯ͠

    ͘ΕΔͷͰɺͦͷؒʹ

    σόοΨΛ઀ଓ͢Δ
    30
    σόοΨͷ࢖͍ํ
    σόοΨͷ࢖͍ํ
    

    View Slide

31. ηΫγϣϯλΠτϧ
    •Debugger ઀ଓ
    •ಉҰ LAN ಺ʹډΔ

    ϓϩηεΛ୳ͯ͘͠ΕΔ
    •Editor ΋࣮ػ΋ର৅
    31
    σόοΨͷ࢖͍ํ
    σόοΨͷ࢖͍ํ
    

    View Slide

32. ηΫγϣϯλΠτϧ
    •Breakpoint ΛுΔ
    •Breakpoint ʹରͯ͠

    ৚݅ࣜΛઃఆՄೳ

    ʢ࣮ػͩͱո͍͠ʁʣ
    •εΫγϣ͸ this ͕ null
    ͷ৔߹ʹࢭΊ͍ͯΔ
    32
    σόοΨͷ࢖͍ํ
    σόοΨͷ࢖͍ํ
    Unity ͋Δ͋Δ
    

    View Slide

33. ηΫγϣϯλΠτϧ
    •Exception Λ Watch
    •Exception ൃੜ࣌఺Ͱ

    ࢭΊͯ͘ΕΔ
    •ӈԼͷεΫγϣͷ৔߹

    transform ࢀর࣌఺Ͱ

    NullReferenceException ͕

    ൃੜ͍ͯ͠Δ
    33
    σόοΨͷ࢖͍ํ
    σόοΨͷ࢖͍ํ
    

    View Slide

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

    View Slide

35. ·ͱΊ
    35
    

    View Slide

36. •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
    

    View Slide

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

    View Slide

38. Thank you for your attention!!
    38
    

    View Slide