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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Triangle fan ： ウィキペディア英語版 Triangle fan A triangle fan is a primitive in 3D computer graphics that saves on storage and processing time. It describes a set of connected triangles that share one central vertex (unlike the triangle strip that connects the next vertex point to the last two used vertices to form a triangle). If N is the number of triangles in the fan, the number of vertices describing it is N+2. This is a considerable improvement over the 3N vertices that are necessary to describe the triangles separately. The graphics pipeline can take advantage by only performing the viewing transformations and lighting calculations once per vertex. Triangle fans are deprecated in Direct3D10 and later.〔http://msdn.microsoft.com/en-us/library/windows/desktop/cc308047(v=vs.85).aspx〕 Any convex polygon may be triangulated as a single fan, by arbitrarily selecting any point inside it as the center. ==See also== * Triangle strip 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Triangle fan」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.