SceneGraph: minor code cleanup.

src/SceneGraph/MatrixTransformation2D.h

@@ -47,8 +47,8 @@ template<class T = Float>
 #endif
 class MatrixTransformation2D: public AbstractTranslationRotationScaling2D<T> {
     public:
-        /** @brief Transformation matrix type */
-        typedef typename DimensionTraits<2, T>::MatrixType DataType;
+        /** @brief Underlying transformation type */
+        typedef Math::Matrix3<T> DataType;
 
         #ifndef DOXYGEN_GENERATING_OUTPUT
         inline constexpr static Math::Matrix3<T> fromMatrix(const Math::Matrix3<T>& matrix) {

src/SceneGraph/MatrixTransformation3D.h

@@ -47,8 +47,8 @@ template<class T = Float>
 #endif
 class MatrixTransformation3D: public AbstractTranslationRotationScaling3D<T> {
     public:
-        /** @brief Transformation matrix type */
-        typedef typename DimensionTraits<3, T>::MatrixType DataType;
+        /** @brief Underlying transformation type */
+        typedef Math::Matrix4<T> DataType;
 
         #ifndef DOXYGEN_GENERATING_OUTPUT
         inline constexpr static Math::Matrix4<T> fromMatrix(const Math::Matrix4<T>& matrix) {

src/SceneGraph/RigidMatrixTransformation2D.h

@@ -50,8 +50,8 @@ template<class T = Float>
 #endif
 class RigidMatrixTransformation2D: public AbstractTranslationRotation2D<T> {
     public:
-        /** @brief Transformation matrix type */
-        typedef typename DimensionTraits<2, T>::MatrixType DataType;
+        /** @brief Underlying transformation type */
+        typedef Math::Matrix3<T> DataType;
 
         #ifndef DOXYGEN_GENERATING_OUTPUT
         inline static Math::Matrix3<T> fromMatrix(const Math::Matrix3<T>& matrix) {

src/SceneGraph/RigidMatrixTransformation3D.h

@@ -50,8 +50,8 @@ template<class T = Float>
 #endif
 class RigidMatrixTransformation3D: public AbstractTranslationRotation3D<T> {
     public:
-        /** @brief Transformation matrix type */
-        typedef typename DimensionTraits<3, T>::MatrixType DataType;
+        /** @brief Underlying transformation type */
+        typedef Math::Matrix4<T> DataType;
 
         #ifndef DOXYGEN_GENERATING_OUTPUT
         inline static Math::Matrix4<T> fromMatrix(const Math::Matrix4<T>& matrix) {