Box2D官网:Box2D
Box2D源码:Open Source
Requiremets:
1.Cmake
2.MinGW
3.Box2D
Step 1.
1).
2).点击Configure
出现如下提示:
You have called ADD_LIBRARY for library glfw without any source files. This typically indicates a problem with your CMakeLists.txt file
打开Box2D\Box2D\glfw\CMakeLists.txt找到如下段落:
if (_GLFW_COCOA)
set(glfw_HEADERS ${common_HEADERS} cocoa_platform.h iokit_joystick.h
posix_tls.h)
set(glfw_SOURCES ${common_SOURCES} cocoa_init.m cocoa_monitor.m
cocoa_window.m iokit_joystick.m mach_time.c posix_tls.c)
elseif (_GLFW_WIN32)
set(glfw_HEADERS ${common_HEADERS} win32_platform.h win32_tls.h
winmm_joystick.h)
set(glfw_SOURCES ${common_SOURCES} win32_init.c win32_monitor.c win32_time.c
win32_tls.c win32_window.c winmm_joystick.c)
elseif (_GLFW_X11)
set(glfw_HEADERS ${common_HEADERS} x11_platform.h xkb_unicode.h
linux_joystick.h posix_time.h posix_tls.h)
set(glfw_SOURCES ${common_SOURCES} x11_init.c x11_monitor.c x11_window.c
xkb_unicode.c linux_joystick.c posix_time.c posix_tls.c)
elseif (_GLFW_WAYLAND)
set(glfw_HEADERS ${common_HEADERS} wl_platform.h linux_joystick.h
posix_time.h posix_tls.h xkb_unicode.h)
set(glfw_SOURCES ${common_SOURCES} wl_init.c wl_monitor.c wl_window.c
linux_joystick.c posix_time.c posix_tls.c xkb_unicode.c)
elseif (_GLFW_MIR)
set(glfw_HEADERS ${common_HEADERS} mir_platform.h linux_joystick.h
posix_time.h posix_tls.h xkb_unicode.h)
set(glfw_SOURCES ${common_SOURCES} mir_init.c mir_monitor.c mir_window.c
linux_joystick.c posix_time.c posix_tls.c xkb_unicode.c)
endif()
将整个段落替换成如下:
if (_GLFW_COCOA)
set(glfw_HEADERS ${common_HEADERS} cocoa_platform.h iokit_joystick.h
posix_tls.h)
set(glfw_SOURCES ${common_SOURCES} cocoa_init.m cocoa_monitor.m
cocoa_window.m iokit_joystick.m mach_time.c posix_tls.c)
elseif (_GLFW_WIN32)
set(glfw_HEADERS ${common_HEADERS} win32_platform.h win32_tls.h
winmm_joystick.h)
set(glfw_SOURCES ${common_SOURCES} win32_init.c win32_monitor.c win32_time.c
win32_tls.c win32_window.c winmm_joystick.c)
elseif (_GLFW_X11)
set(glfw_HEADERS ${common_HEADERS} x11_platform.h xkb_unicode.h
linux_joystick.h posix_time.h posix_tls.h)
set(glfw_SOURCES ${common_SOURCES} x11_init.c x11_monitor.c x11_window.c
xkb_unicode.c linux_joystick.c posix_time.c posix_tls.c)
elseif (_GLFW_WAYLAND)
set(glfw_HEADERS ${common_HEADERS} wl_platform.h linux_joystick.h
posix_time.h posix_tls.h xkb_unicode.h)
set(glfw_SOURCES ${common_SOURCES} wl_init.c wl_monitor.c wl_window.c
linux_joystick.c posix_time.c posix_tls.c xkb_unicode.c)
elseif (_GLFW_MIR)
set(glfw_HEADERS ${common_HEADERS} mir_platform.h linux_joystick.h
posix_time.h posix_tls.h xkb_unicode.h)
set(glfw_SOURCES ${common_SOURCES} mir_init.c mir_monitor.c mir_window.c
linux_joystick.c posix_time.c posix_tls.c xkb_unicode.c)
else()
set(glfw_HEADERS ${common_HEADERS} win32_platform.h win32_tls.h
winmm_joystick.h)
set(glfw_SOURCES ${common_SOURCES} win32_init.c win32_monitor.c win32_time.c
win32_tls.c win32_window.c winmm_joystick.c)
endif()
替换完成之后再次configure,configure完成之后点击generate产生MakeFile文件,但是generate会出现如下错误:
解决办法:
将Box2D\imgui文件夹下所有文件复制到Box2D\Testbed\Framework文件夹下,但是还少两个文件:RenderGL3.h RenderGL3.cpp文件,链接地址:RenderGL3
完成该步骤之重新使用cmake进行构建
Step 2.
在构建的地址打开命令行输入make出现如下错误:
将出现问题的文件中的nullptr统一改成NULL
修改完之后使用cmake重新构建,回到Step 2输入make指令
Step 3.
make install