Doc++

src/SceneGraph/AbstractGroupedFeature.h

@@ -33,7 +33,7 @@ template<std::uint8_t, class, class> class FeatureGroup;
 
 Used together with FeatureGroup.
 
-@section AbstractGroupedFeature-usage Usage
+@section AbstractGroupedFeature-subclassing Subclassing
 
 Usage is via subclassing the feature using [CRTP](http://en.wikipedia.org/wiki/Curiously_recurring_template_pattern)
 and typedef'ing FeatureGroup to accept only given type, e.g.:

src/SceneGraph/AbstractObject.h

@@ -33,9 +33,9 @@ template<std::uint8_t, class> class AbstractFeature;
 /**
 @brief Base for objects
 
-Provides minimal interface for features, not depending on object
-transformation implementation. See Object or @ref scenegraph for more
-information.
+Provides minimal interface for features, not depending on object transformation
+implementation. This class is not directly instantiatable, use Object subclass
+instead. See also @ref scenegraph for more information.
 
 @see AbstractObject2D, AbstractObject3D
 */

src/SceneGraph/Camera.h

@@ -60,7 +60,8 @@ namespace Implementation {
 /**
 @brief Base for cameras
 
-See Drawable documentation for more information.
+See Drawable documentation for more information. This class is not directly
+instantiatable, use Camera2D or Camera3D subclasses instead.
 
 @section AbstractCamera-explicit-specializations Explicit template specializations