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AC3D is a 3D design program which has been available since 1994. The software is used by designers for modeling 3D graphics for games and simulations - most notably it is used by the scenery creators at Laminar Research on the X-Plane (simulator).〔(【引用サイトリンク】title=X-Plane 8 Scenery Tutorials )〕 The .ac format has also been used in FlightGear for scenery objects and aircraft models. ==History== Initially developed on the Amiga, the code was then ported to Silicon Graphics workstations which used the GL graphics library. At that time, the user interface was implemented using X-Window/Motif. A Linux port was released onto the internet in 1994 (the GL graphics were replaced with OpenGL). A Microsoft Windows port followed when the X-Window interface was dropped in favor of the portable Tcl/Tk scripting library. In 2002, Inivis Limited purchased the full intellectual property rights to AC3D and continues to develop and market the software. They decided to keep the name AC3D for the software. In 2005, a Mac OS X version of AC3D was released. 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「AC3D」の詳細全文を読む スポンサード リンク
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