Common: add convenience function to convert a Quaternion to a Matrix44

Source/Core/Common/Matrix.cpp

@@ -269,6 +269,11 @@ Matrix44 Matrix44::FromMatrix33(const Matrix33& m33)
   return mtx;
 }
 
+Matrix44 Matrix44::FromQuaternion(const Quaternion& q)
+{
+  return FromMatrix33(Matrix33::FromQuaternion(q));
+}
+
 Matrix44 Matrix44::FromArray(const std::array<float, 16>& arr)
 {
   Matrix44 mtx;

Source/Core/Common/Matrix.h

@@ -402,6 +402,7 @@ class Matrix44
 public:
   static Matrix44 Identity();
   static Matrix44 FromMatrix33(const Matrix33& m33);
+  static Matrix44 FromQuaternion(const Quaternion& q);
   static Matrix44 FromArray(const std::array<float, 16>& arr);
 
   static Matrix44 Translate(const Vec3& vec);