{"topic":{"id":13823,"title":"实验 2.2 模型渲染边缘有锯齿","slug":"topic","categoryId":56,"createdAt":"2024-11-07 14:41:03.975446","bumpedAt":"2024-11-28 05:10:43.161294","views":192,"postsCount":2,"highestPostNumber":2,"likeCount":0,"closed":false,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"渲染出的小牛在边缘处有奇怪的锯齿在尝试将着色部分改为深度值后发现锯齿还在所以感觉可能是 z-buffer 判断那出了问题？但是不清楚问题具体出在哪一个函数上。在交大门上看到去年有一位同学和我出现了及其相似的问题，但是好像没有解决，所以想问一问问题出在哪里。","deletedAt":null,"isAnonymous":false,"category":{"id":56,"name":"计算机图形学","slug":"cg","color":"92278F"},"author":{"id":3752,"username":"墨雪离尘","name":"离尘","avatarUrl":null},"tags":[]},"posts":[{"id":42898,"postNumber":1,"raw":"渲染出的小牛在边缘处有奇怪的锯齿\n![feiwu5|480x360](/uploads/image/ed/81/ed816b295ac1b37e3844ab4218837fad01421f0af58bb3e50f7639b468f3aa57.avif)\n在尝试将着色部分改为深度值后发现锯齿还在\n![gdepthmap|480x360](/uploads/image/2f/a2/2fa277089ce898e6d531ff2ba78f320ee32877e8941bd5bbbbb05f196b92123e.avif)\n所以感觉可能是 z-buffer 判断那出了问题？但是不清楚问题具体出在哪一个函数上。\n在交大门上看到去年有一位同学和我出现了及其相似的问题，但是好像没有解决，所以想问一问问题出在哪里。","cooked":"

渲染出的小牛在边缘处有奇怪的锯齿
\n $\"feiwu5\"$
\n在尝试将着色部分改为深度值后发现锯齿还在
\n $\"gdepthmap\"$
\n所以感觉可能是 z-buffer 判断那出了问题？但是不清楚问题具体出在哪一个函数上。
\n在交大门上看到去年有一位同学和我出现了及其相似的问题，但是好像没有解决，所以想问一问问题出在哪里。

\n","createdAt":"2024-11-07 14:41:04.166704","updatedAt":"2024-11-07 14:41:04.166704","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":121,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":3752,"username":"墨雪离尘","name":"离尘","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":43726,"postNumber":2,"raw":"问题已解决，大概率在 vertex_shader 和 inside_triangle 两个函数上，错误的坐标变换传递和错误的是否在三角形内判断导致模型边缘的面片出现锯齿。\n![正常牛|665x500](/uploads/image/c6/6b/c66b300a29a7a55180663f6fba632f56c464ee4ef1917a0be4db4f31740ed040.avif)","cooked":"

问题已解决，大概率在 vertex_shader 和 inside_triangle 两个函数上，错误的坐标变换传递和错误的是否在三角形内判断导致模型边缘的面片出现锯齿。
\n $\"正常牛\"$

\n","createdAt":"2024-11-28 05:10:43.161294","updatedAt":"2024-11-28 05:10:43.161294","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":60,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":3752,"username":"墨雪离尘","name":"离尘","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}}],"hasMore":false,"lastReadPostNumber":2,"hasUrlPostNumber":true}