Cleaning for mesh addition.

src/mesh/Node.cpp

@@ -1,3 +1,30 @@
 #include "Node.h"
 
+std::unique_ptr<Node> Node::Create(const Point& p, unsigned index)
+{
+    return std::make_unique<Node>(p, index);
+}
+
+Node::~Node()
+{
+
+}
+
+Node::Node(const Point& p, unsigned index)
+    : mPoint(p),
+      mIndex(index)
+{
+
+}
+
+unsigned Node::getIndex() const
+{
+    return mIndex;
+}
+
+void Node::updateIndex(unsigned index)
+{
+    mIndex = index;
+}
+