feat (wip): refactor of main func into actual organized classes

vtk/src/helperClasses/Program.h

@@ -0,0 +1,35 @@
+#ifndef PROGRAM_H
+#define PROGRAM_H
+
+#include <vtkRenderWindow.h>
+#include <vtkRenderWindowInteractor.h>
+#include <vtkRenderer.h>
+
+#include "Layer.h"
+
+class Program {
+private:
+  Layer background;
+  Layer euler;
+  Layer lagrange;
+  vtkSmartPointer<vtkRenderWindow> win;
+  vtkSmartPointer<vtkRenderWindowInteractor> interact;
+
+  void setWinProperties();
+  
+
+public:
+  // Program();
+  Program(Layer bg, Layer e, Layer l);
+
+  void setBackground(Layer bg);
+  void setEuler(Layer e);
+  void setLagrange(Layer l);
+
+
+  // void addInteractionStyle(vtkInteractorStyle style);
+
+  void render();
+};
+
+#endif