- o -

• ObjectName : Mezzanine::WorldObject
• Offset : Mezzanine::XML::ParseResult , Mezzanine::XML::XPathParseResult
• OgreBeenInitialized : Mezzanine::Graphics::GraphicsManager
• OgreManager : Mezzanine::Graphics::SceneManagerData
• OgreResource : Mezzanine::Resource::ResourceManager
• OgreViewport : Mezzanine::Graphics::Viewport
• OgreWindow : Mezzanine::Graphics::GameWindow
• OldScrollerValue : Mezzanine::UI::ScrollbarValueChangedArguments
• OldSpinValue : Mezzanine::UI::SpinnerValueChangedArguments
• OnVertex : Mezzanine::Graphics::Procedural::IntersectionInShape
• OpenFileName : Mezzanine::Resource::FileStream
• OpenMode : Mezzanine::Resource::MemoryStreamBuffer
• OperationsPaused : Mezzanine::WorldManager
• OperationType : Mezzanine::Graphics::MeshInfo
• OptionalFile : Mezzanine::ObjectSettingGroup
• Ordering : Mezzanine::UI::ListBox
• OrderPriority : Mezzanine::UI::Spinner
• Orientation : Mezzanine::Graphics::Procedural::MeshGenerator< T > , Mezzanine::UI::Screen
• Origin : Mezzanine::Ray
• OSLibName : Mezzanine::Scripting::Lua::Lua51ScriptingEngine
• OSTableName : Mezzanine::Scripting::Lua::Lua51ScriptingEngine
• OuterHemisphereQuad : Mezzanine::Graphics::Procedural::HemisphereUVModifier
• OutSide : Mezzanine::Graphics::Procedural::Shape
• OverlappingObjects : Mezzanine::AreaEffect