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Blender 2.49 Scripting by Michel J. Anders

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Rendering billboards

Realism in scenes is often accomplished by providing lots of detail, especially in natural objects. However, this kind of realism comes with a price as detailed models often contain many faces and these faces consume memory and take time to render. A realistic tree model may contain as much as half a million faces so a forest of these would be almost impossible to render, even more so, if this forest is part of the scenery in a fast-paced game.

Blender comes with a number of tools to reduce the amount of memory needed when rendering many copies of an object; different Mesh objects may refer to the same mesh data as may DupliVerts. (Child objects that are replicated at the position of each vertex of a parent object. See ...

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