copied from the old Ppoject:

shaders,
object class
Modified to use better names and use Qt things

MeshViewerQt/Header/Vertex.h

@@ -1,5 +1,4 @@
-#ifndef VERTEX_H
-#define VERTEX_H
+#pragma once
 
 #include <QVector3D>
 
@@ -51,5 +50,3 @@ void inline Vertex::setColor(const QVector3D& color) { m_color = color; }
 Q_DECL_CONSTEXPR inline int Vertex::positionOffset() { return offsetof(Vertex, m_position); }
 Q_DECL_CONSTEXPR inline int Vertex::colorOffset() { return offsetof(Vertex, m_color); }
 Q_DECL_CONSTEXPR inline int Vertex::stride() { return sizeof(Vertex); }
-
-#endif // VERTEX_H