Add explicit include of chrono header.

[robertocapuano]

Visual Studio Code doesn't find chrono namespace: include is needed

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.19%. Comparing base (7000610) to head (583fabe).
Report is 7 commits behind head on develop.

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Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #421   +/-   ##
========================================
  Coverage    56.19%   56.19%           
========================================
  Files          182      182           
  Lines        13872    13872           
  Branches      1173     1173           
========================================
  Hits          7796     7796           
  Misses        6076     6076           

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[robinwils]

I confirm having the same problem on my Github actions workflow. I am building with

• CMake
• Ninja generator
• msvc compiler

C:\PROGRA~1\MICROS~2\2022\ENTERP~1\VC\Tools\MSVC\1444~1.352\bin\Hostx64\x64\cl.exe  /nologo /TP  -ID:build\windows-msvc-debug\_deps\reactphysics3d-src\include /DWIN32 /D_WINDOWS /EHsc /Ob0 /Od /RTC1 -std:c++20 -MDd -Zi /showIncludes @_deps\reactphysics3d-build\CMakeFiles\reactphysics3d.dir\src\body\Body.cpp.obj.modmap /Fo_deps\reactphysics3d-build\CMakeFiles\reactphysics3d.dir\src\body\Body.cpp.obj /Fd_deps\reactphysics3d-build\CMakeFiles\reactphysics3d.dir\reactphysics3d.pdb /FS -c D:\build\windows-msvc-debug\_deps\reactphysics3d-src\src\body\Body.cpp
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(129): error C3083: 'system_clock': the symbol to the left of a '::' must be a type
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(129): error C2039: 'now': is not a member of 'std::chrono'
C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\MSVC\14.44.35207\include\__msvc_chrono.hpp(286): note: see declaration of 'std::chrono'
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(129): error C3536: 'now': cannot be used before it is initialized
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(130): error C3083: 'system_clock': the symbol to the left of a '::' must be a type
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(130): error C2039: 'to_time_t': is not a member of 'std::chrono'
C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\MSVC\14.44.35207\include\__msvc_chrono.hpp(286): note: see declaration of 'std::chrono'
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(130): error C3861: 'to_time_t': identifier not found
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(187): error C3083: 'system_clock': the symbol to the left of a '::' must be a type
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(187): error C2039: 'now': is not a member of 'std::chrono'
C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\MSVC\14.44.35207\include\__msvc_chrono.hpp(286): note: see declaration of 'std::chrono'
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(187): error C3536: 'now': cannot be used before it is initialized
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(188): error C3083: 'system_clock': the symbol to the left of a '::' must be a type
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(188): error C2039: 'to_time_t': is not a member of 'std::chrono'
C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\MSVC\14.44.35207\include\__msvc_chrono.hpp(286): note: see declaration of 'std::chrono'
D:\build\windows-msvc-debug\_deps\reactphysics3d-src\include\reactphysics3d/utils/DefaultLogger.h(188): error C3861: 'to_time_t': identifier not found