SceneGraph: doc++

Mention default template arguments and LinkedList usage.

doc/scenegraph.dox

@@ -24,6 +24,11 @@ Transformation handles object position, rotation etc. and its basic property
 is dimension count (2D or 3D) and underlying floating-point type (by default
 `float`s are used everywhere, but you can use `double`s too).
 
+@note All classes in SceneGraph have `GLfloat` as default underlying
+    floating-point type, which means that you can omit that template parameter
+    and write just <tt>%AbstractObject<2></tt> or <tt>%MatrixTransformation3D<></tt>
+    instead of <tt>%AbstractObject<2, GLfloat></tt> and <tt>%MatrixTransformation3D&lt;GLfloat&gt;</tt>.
+
 %Scene graph has implementation of transformations in both 2D and 3D, using
 either matrices or combination of position and rotation. Each implementation
 has its own advantages and disadvantages -- for example when using matrices

src/SceneGraph/AbstractFeature.h

@@ -45,6 +45,9 @@ namespace Implementation {
 Contained in Object, takes care of transformation caching. See @ref scenegraph
 for introduction.
 
+Uses Corrade::Containers::LinkedList for accessing holder object and sibling
+features.
+
 @section AbstractFeature-subclassing Subclassing
 
 Feature is templated on dimension count and underlying transformation type, so

src/SceneGraph/AbstractObject.h

@@ -35,6 +35,8 @@ 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.
 
+Uses Corrade::Containers::LinkedList for storing features.
+
 @see AbstractObject2D, AbstractObject3D
 */
 #ifndef DOXYGEN_GENERATING_OUTPUT

src/SceneGraph/Object.h

@@ -46,8 +46,10 @@ namespace Implementation {
 @brief %Object
 
 Base of scene graph. Contains specific transformation implementation, takes
-care of parent/children relationships and contains features. See
-@ref scenegraph for introduction.
+care of parent/children relationship and contains features. See @ref scenegraph
+for introduction.
+
+Uses Corrade::Containers::LinkedList for parent/children relationship.
 
 @section Object-explicit-specializations Explicit template specializations