|Version 2 (modified by martin, 6 years ago)| - Developer Blog -
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- Software Patents - Software Patents Europe Drawables define
things which draw pixels on the screen as if rendering a real 3D
objetc. Usually Drawables contain PrimitiveSets which contain
polygons. These are known as osg::Geometry - this is the main
interest of this note. Drawables can also be stand alone: Shape
Drawable - simple shapes, box, sphere etc. Impostor Sprite
Particle System osgText or you can derive your own class from
drawable. If the drawable is a geometry it will refer to arrays
of: vertices texture coordinates (up to 8 textures on each
polygon) normals (for lighting) possibly vertex indices and
PrimitiveSets. These last are among the most complex of osg
classes as they can be defined in a large number of ways.