{"topic":{"id":7968,"title":"generate_ray 函数和 naive_intersect 函数问题","slug":"topic","categoryId":56,"createdAt":"2023-12-19 17:22:01.436726","bumpedAt":"2023-12-22 10:38:03.801744","views":205,"postsCount":2,"highestPostNumber":2,"likeCount":0,"closed":true,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"generate_ray 函数中 world_pos_specified 是等于 inv_view * view_pos_specified 还是 inv_view * view_pos（view_pos=ratio * view_pos_specified） naive_intersect 函数中的 t,beta,gamma 不全在 0 到 1 之间","deletedAt":null,"isAnonymous":false,"category":{"id":56,"name":"计算机图形学","slug":"cg","color":"92278F"},"author":{"id":1546,"username":"hahahaha","name":"hahahaha","avatarUrl":null},"tags":[]},"posts":[{"id":19572,"postNumber":1,"raw":"[grid mode=\"tile\"]\n![image|522x461](/uploads/image/bb/f9/bbf9dcc5255f9029a450b860643ed55cb228546757a4e49de73425fa50412e3e.avif)\n![image|690x271](/uploads/image/f0/70/f0708a76de91ef8551b711108937af17603f8ca17359421e65f340d97b362c13.avif)\n[/grid]\ngenerate_ray 函数中 world_pos_specified 是等于 inv_view * view_pos_specified 还是 inv_view * view_pos（view_pos=ratio * view_pos_specified）\n![image|472x500](/uploads/image/ff/07/ff0734fd867d025b6abe0f360d7d087754516d0d5a3eff99c47540070b73f8a0.avif)\nnaive_intersect 函数中的 t,beta,gamma 不全在 0 到 1 之间","cooked":"

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generate_ray 函数中 world_pos_specified 是等于 inv_view * view_pos_specified 还是 inv_view * view_pos（view_pos=ratio * view_pos_specified）
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\nnaive_intersect 函数中的 t,beta,gamma 不全在 0 到 1 之间

\n","createdAt":"2023-12-19 17:22:01.528417","updatedAt":"2023-12-19 17:22:01.528417","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":38,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1546,"username":"hahahaha","name":"hahahaha","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":19959,"postNumber":2,"raw":"第一个问题请同学根据自己的实现思路自己思考哦；第二个问题如果 beta,gamma 不在 0 和 1 之间，说明并没有和这个三角形面片的内部相交，那么应当被判定为没有相交","cooked":"

第一个问题请同学根据自己的实现思路自己思考哦；第二个问题如果 beta,gamma 不在 0 和 1 之间，说明并没有和这个三角形面片的内部相交，那么应当被判定为没有相交

\n","createdAt":"2023-12-22 10:38:03.801744","updatedAt":"2023-12-22 10:38:03.801744","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":70,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1488,"username":"roland","name":"李昌洲","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}}],"hasMore":false,"lastReadPostNumber":1,"hasUrlPostNumber":false}