{"topic":{"id":7100,"title":"通过 model() 传递参数","slug":"topic","categoryId":56,"createdAt":"2023-11-07 13:10:42.136628","bumpedAt":"2023-11-08 09:34:37.037519","views":239,"postsCount":2,"highestPostNumber":2,"likeCount":0,"closed":true,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"尝试这样传入变换的各种参数;然后在 naive_intersect() 测试有无成功结果是并没有传入参数：每次输出的 a 值都是一模一样的，没有经过 center 变换的，我的问题出在了哪里呢","deletedAt":null,"isAnonymous":false,"category":{"id":56,"name":"计算机图形学","slug":"cg","color":"92278F"},"author":{"id":1510,"username":"lzx_djb","name":"asasa","avatarUrl":null},"tags":[]},"posts":[{"id":16491,"postNumber":1,"raw":"![image|690x57](/uploads/image/e7/2c/e72c6651775dc5360ca7ae9357230d2e71b7371a90375eb056df3de08f49babe.avif)\n尝试这样传入变换的各种参数;然后在 naive_intersect() 测试有无成功\n![image|690x301](/uploads/image/f2/51/f25105eafb151ce0413b407aa67588afc9b1265d4b845ca0506eac78da633e1b.avif)\n结果是并没有传入参数：每次输出的 a 值都是一模一样的，没有经过 center 变换的，我的问题出在了哪里呢","cooked":"

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\n尝试这样传入变换的各种参数;然后在 naive_intersect() 测试有无成功
\n $\"image\"$
\n结果是并没有传入参数：每次输出的 a 值都是一模一样的，没有经过 center 变换的，我的问题出在了哪里呢

\n","createdAt":"2023-11-07 13:10:42.226057","updatedAt":"2023-11-08 09:31:07.885303","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":71,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":2,"publicVersion":2,"deletedAt":null,"isAnonymous":false,"user":{"id":1510,"username":"lzx_djb","name":"asasa","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":16575,"postNumber":2,"raw":"当你将 Model 矩阵作为参数传入 `naive_intersect` 时并不会自动完成变换，你需要在这个函数里自己写坐标变换。\n\n另外，你第一张截图中还是有很多语法错误…… `result` 变量的类型不对（或者成员访问不对）、`mesh` 变量应该是没定义过、`model` 函数是 `Object` 类的方法不是全局函数，这些都要改。","cooked":"

当你将 Model 矩阵作为参数传入 naive_intersect 时并不会自动完成变换，你需要在这个函数里自己写坐标变换。

另外，你第一张截图中还是有很多语法错误…… result 变量的类型不对（或者成员访问不对）、mesh 变量应该是没定义过、model 函数是 Object 类的方法不是全局函数，这些都要改。

\n","createdAt":"2023-11-08 09:34:37.037519","updatedAt":"2023-11-08 09:34:37.037519","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":110,"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}}],"hasMore":false,"lastReadPostNumber":1,"hasUrlPostNumber":false}