copied from the old Ppoject:

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

MeshViewerQt/Header/OpenGlViewer.h

@@ -1,10 +1,22 @@
 #pragma once
-
 #include <QOpenGLWidget>
 #include <QOpenGLFunctions>
 #include <QOpenGLBuffer>
 #include <QOPenGLVertexArrayObject>
 #include <QOpenGlShaderProgram>
+#include "..\Header\MshFile.h"
+
+struct Vertex {
+	GLfloat position[3];
+	GLfloat uv[2];
+};
+
+struct textureData {
+	bool alpha;
+	std::uint32_t width;
+	std::uint32_t height;
+	std::vector<std::uint8_t>* data;
+};
 
 class OpenGlViewer : public QOpenGLWidget, protected QOpenGLFunctions
 {
@@ -15,17 +27,37 @@ public:
 	~OpenGlViewer();
 
 private:
-	QOpenGLBuffer mVertexBuffer;
-	QOpenGLVertexArrayObject mVertexArray;
-	QOpenGLShaderProgram* mProgram = nullptr;
+// OpenGL ======================================
+	QOpenGLBuffer m_vertexBuffer;
+	QOpenGLVertexArrayObject m_vertexArray;
+	QOpenGLShaderProgram* m_program = nullptr;
+
+// Data ========================================
+	std::vector<Model*>* m_vModels = nullptr;
+	std::vector<textureData*> m_vTextures;
+	BoundingBox m_sceneBoundings;
+
+// Transformation ==============================
+	float m_fRotX		= 0;
+	float m_fRotY		= 0;
+	float m_fRotZ		= 0;
+	float m_fTranX		= 0;
+	float m_fTranY		= 0;
+	float m_fTranZ		= 0;
+
+// Camera ======================================
+	float m_fFOV		= 45.0f;
+	float m_fMinView	= 0.1f;
+	float m_fMaxView	= 100.0f;
 
 private:
-	void printContextInformation();
-
-protected:
 	virtual void initializeGL() override final;
 	virtual void resizeGL(int w, int h) override final;
 	virtual void paintGL() override final;
 
+	void printContextInformation();
+	void deleteData();
+
 public:
+	void setData(std::vector<Model*>* models, std::vector<textureData*> textures);
 };