Clean up of scene nodes to support 2d and non int positioning.

src/visual_elements/nodes/TransformNode.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "AbstractVisualNode.h"
+
+class TransformNode : public AbstractVisualNode
+{
+public:
+
+    TransformNode()
+        : AbstractVisualNode(DiscretePoint(0, 0))
+    {
+
+    }
+
+    ~TransformNode() = default;
+};