{"topic":{"id":14029,"title":"关于几何部分基于半边的局部操作","slug":"topic","categoryId":56,"createdAt":"2024-12-17 21:18:31.338558","bumpedAt":"2024-12-19 08:45:13.56671","views":188,"postsCount":7,"highestPostNumber":7,"likeCount":0,"closed":false,"pinned":false,"excerpt":"在边分裂操作时会产生新的点和半边和面片，怎么保证他们的 id 是唯一的，和已有文件的所有点，半边，面片的 id 不一样呢","deletedAt":null,"isAnonymous":false,"category":{"id":56,"name":"计算机图形学","slug":"cg","color":"92278F"},"author":{"id":6108,"username":"2214312040","name":"奔","avatarUrl":null},"tags":[]},"posts":[{"id":44727,"postNumber":1,"raw":"在边分裂操作时会产生新的点和半边和面片，怎么保证他们的 id 是唯一的，和已有文件的所有点，半边，面片的 id 不一样呢","cooked":"

在边分裂操作时会产生新的点和半边和面片，怎么保证他们的 id 是唯一的，和已有文件的所有点，半边，面片的 id 不一样呢

\n","createdAt":"2024-12-17 21:18:31.626496","updatedAt":"2024-12-17 21:18:31.626496","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":54,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":6108,"username":"2214312040","name":"奔","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":44728,"postNumber":2,"raw":"点，半边以及面片的构造函数的实现中已经确保了 ID 的唯一性，你在实验过程中不需要手动给 ID 赋值。","cooked":"

点，半边以及面片的构造函数的实现中已经确保了 ID 的唯一性，你在实验过程中不需要手动给 ID 赋值。

\n","createdAt":"2024-12-18 01:56:18.074783","updatedAt":"2024-12-18 01:56:18.074783","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":45,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":6030,"username":"evenwang","name":"even","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":44738,"postNumber":3,"raw":"参数为空即可，更多细节可以查阅开发者文档","cooked":"

参数为空即可，更多细节可以查阅开发者文档

\n","createdAt":"2024-12-18 09:01:02.271876","updatedAt":"2024-12-18 09:01:02.271876","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":20,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":6030,"username":"evenwang","name":"even","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":44748,"postNumber":4,"raw":"经过实践，id 为空是不可以的，类中没有定义参数为空的构造函数","cooked":"

经过实践，id 为空是不可以的，类中没有定义参数为空的构造函数

\n","createdAt":"2024-12-18 13:38:54.888234","updatedAt":"2024-12-18 13:38:54.888234","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":28,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":6108,"username":"2214312040","name":"奔","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":44784,"postNumber":5,"raw":" toolbar.cpp\n scene.cpp\n group.cpp\n object.cpp\n camera.cpp\nC:\\data\\submissions\\dandelion\\src\\scene\\camera.cpp(55,17): error C2220: 以下警告被视为错误 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\nC:\\data\\submissions\\dandelion\\src\\scene\\camera.cpp(55,17): warning C4189: “right”: 局部变量已初始化但不引用 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\n light.cpp\n stb_image_wrapper.cpp\n kinetic_state.cpp\n logger.cpp\n rasterizer.cpp\n rasterizer_renderer.cpp\nC:\\data\\submissions\\dandelion\\src\\render\\rasterizer_renderer.cpp(101,41): error C2220: 以下警告被视为错误 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\nC:\\data\\submissions\\dandelion\\src\\render\\rasterizer_renderer.cpp(101,41): warning C4244: “=”: 从“float”转换到“int”，可能丢失数据 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\nC:\\data\\submissions\\dandelion\\src\\render\\rasterizer_renderer.cpp(102,41): warning C4244: “=”: 从“float”转换到“int”，可能丢失数据 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\nC:\\data\\submissions\\dandelion\\src\\render\\rasterizer_renderer.cpp(112,52): warning C4267: “初始化”: 从“size_t”转换到“unsigned int”，可能丢失数据 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\n whitted_renderer.cpp\n render_engine.cpp\n triangle.cpp\n halfedge_mesh.cpp\n 正在生成代码...\n 正在编译...\n meshedit.cpp\nC:\\data\\submissions\\dandelion\\src\\geometry\\meshedit.cpp(76,15): error C2220: 以下警告被视为错误 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\nC:\\data\\submissions\\dandelion\\src\\geometry\\meshedit.cpp(76,15): warning C4189: “e2”: 局部变量已初始化但不引用 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\nC:\\data\\submissions\\dandelion\\src\\geometry\\meshedit.cpp(76,28): warning C4189: “e3”: 局部变量已初始化但不引用 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\nC:\\data\\submissions\\dandelion\\src\\geometry\\meshedit.cpp(74,30): warning C4189: “p2”: 局部变量已初始化但不引用 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\n halfedge.cpp\n vertex.cpp\n edge.cpp\n face.cpp\n solver.cpp\n imgui.cpp\n imgui_demo.cpp\n imgui_draw.cpp\n imgui_tables.cpp\n imgui_widgets.cpp\n imgui_impl_glfw.cpp\n imgui_impl_opengl3.cpp\n 正在生成代码...\n2.8 显示提交错误，产生了一大堆看不懂且毫无反馈效果的东西","cooked":"

toolbar.cpp
\nscene.cpp
\ngroup.cpp
\nobject.cpp
\ncamera.cpp
\nC:\\data\\submissions\\dandelion\\src\\scene\\camera.cpp(55,17): error C2220: 以下警告被视为错误 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\nC:\\data\\submissions\\dandelion\\src\\scene\\camera.cpp(55,17): warning C4189: “right”: 局部变量已初始化但不引用 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\nlight.cpp
\nstb_image_wrapper.cpp
\nkinetic_state.cpp
\nlogger.cpp
\nrasterizer.cpp
\nrasterizer_renderer.cpp
\nC:\\data\\submissions\\dandelion\\src\\render\\rasterizer_renderer.cpp(101,41): error C2220: 以下警告被视为错误 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\nC:\\data\\submissions\\dandelion\\src\\render\\rasterizer_renderer.cpp(101,41): warning C4244: “=”: 从“float”转换到“int”，可能丢失数据 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\nC:\\data\\submissions\\dandelion\\src\\render\\rasterizer_renderer.cpp(102,41): warning C4244: “=”: 从“float”转换到“int”，可能丢失数据 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\nC:\\data\\submissions\\dandelion\\src\\render\\rasterizer_renderer.cpp(112,52): warning C4267: “初始化”: 从“size_t”转换到“unsigned int”，可能丢失数据 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\nwhitted_renderer.cpp
\nrender_engine.cpp
\ntriangle.cpp
\nhalfedge_mesh.cpp
\n正在生成代码...
\n正在编译...
\nmeshedit.cpp
\nC:\\data\\submissions\\dandelion\\src\\geometry\\meshedit.cpp(76,15): error C2220: 以下警告被视为错误 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\nC:\\data\\submissions\\dandelion\\src\\geometry\\meshedit.cpp(76,15): warning C4189: “e2”: 局部变量已初始化但不引用 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\nC:\\data\\submissions\\dandelion\\src\\geometry\\meshedit.cpp(76,28): warning C4189: “e3”: 局部变量已初始化但不引用 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\nC:\\data\\submissions\\dandelion\\src\\geometry\\meshedit.cpp(74,30): warning C4189: “p2”: 局部变量已初始化但不引用 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\nhalfedge.cpp
\nvertex.cpp
\nedge.cpp
\nface.cpp
\nsolver.cpp
\nimgui.cpp
\nimgui_demo.cpp
\nimgui_draw.cpp
\nimgui_tables.cpp
\nimgui_widgets.cpp
\nimgui_impl_glfw.cpp
\nimgui_impl_opengl3.cpp
\n正在生成代码...
\n2.8 显示提交错误，产生了一大堆看不懂且毫无反馈效果的东西

\n","createdAt":"2024-12-19 08:11:32.004804","updatedAt":"2024-12-19 08:11:32.004804","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":237,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":6108,"username":"2214312040","name":"奔","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":44786,"postNumber":6,"raw":"首先原因已经很明显了，你写的若干源文件没有排除 warning，所以没有过编译：\n\n> C:\\data\\submissions\\dandelion\\src\\scene\\camera.cpp(55,17): error C2220: 以下警告被视为错误 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\n> \n> C:\\data\\submissions\\dandelion\\src\\render\\rasterizer_renderer.cpp(101,41): error C2220: 以下警告被视为错误 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\n\nwarning 编号也给出来了：\n\n> C:\\data\\submissions\\dandelion\\src\\scene\\camera.cpp(55,17): warning **C4189**: “right”: 局部变量已初始化但不引用 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]\n\n基本上你去搜索 C4189 这样的 warning 就能找到微软官方的解释，然后对着行号列号 (55, 17) 就能找到是哪里出错了。\n\n> 2.8 显示提交错误，产生了一大堆看不懂且毫无反馈效果的东西\n\n所以这样说是很不好的，我理解快要截止的时候大家都比较紧张，但是请尽量控制自己的情绪。","cooked":"

首先原因已经很明显了，你写的若干源文件没有排除 warning，所以没有过编译：

\n
C:\\data\\submissions\\dandelion\\src\\scene\\camera.cpp(55,17): error C2220: 以下警告被视为错误 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\n
C:\\data\\submissions\\dandelion\\src\\render\\rasterizer_renderer.cpp(101,41): error C2220: 以下警告被视为错误 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\n

warning 编号也给出来了：

\n
C:\\data\\submissions\\dandelion\\src\\scene\\camera.cpp(55,17): warning C4189: “right”: 局部变量已初始化但不引用 [C:\\data\\submissions\\tmp\\build\\dandelion.vcxproj]
\n

基本上你去搜索 C4189 这样的 warning 就能找到微软官方的解释，然后对着行号列号 (55, 17) 就能找到是哪里出错了。

\n
2.8 显示提交错误，产生了一大堆看不懂且毫无反馈效果的东西
\n

所以这样说是很不好的，我理解快要截止的时候大家都比较紧张，但是请尽量控制自己的情绪。

\n","createdAt":"2024-12-19 08:44:29.34896","updatedAt":"2024-12-19 08:44:29.34896","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":203,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1381,"username":"greyishsong","name":"greyishsong","avatarUrl":"/uploads/image/da/bc/dabc731b0311f59850625bbeb55ed969fcfac0430c5ef0f68441e5466b7aa496.avif","admin":false,"moderator":true,"signatureRaw":null,"signatureCooked":null}},{"id":44787,"postNumber":7,"raw":"中文提示很清楚啊，怎么会毫无反馈","cooked":"

中文提示很清楚啊，怎么会毫无反馈

\n","createdAt":"2024-12-19 08:45:13.56671","updatedAt":"2024-12-19 08:45:13.56671","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":16,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":340,"username":"卡冈图亚","name":"Breski","avatarUrl":"/uploads/image/ba/d3/bad35303ba63abad7e1347bb429056d369489ab4f0b238ca4c0e464511be73e0.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}}],"hasMore":false,"lastReadPostNumber":1,"hasUrlPostNumber":false}