Clean project structure.

src/visual_elements/nodes/MeshNode.h

@@ -1,28 +0,0 @@
-#pragma once
-
-#include "MaterialNode.h"
-
-class AbstractMesh;
-
-class MeshNode : public MaterialNode
-{
-public:
-    MeshNode(const Point& location);
-    void setMesh(AbstractMesh* mesh);
-
-    SceneItem* getSceneItem(std::size_t idx) const override;
-    std::size_t getNumSceneItems() const override;
-
-    void setWidth(double width);
-    void setHeight(double height);
-
-    void update(SceneInfo* sceneInfo) override;
-
-private:
-    bool mMeshIsDirty{true};
-    AbstractMesh* mWorkingMesh{nullptr};
-
-    double mWidth{1};
-    double mHeight{1};
-    std::unique_ptr<SceneModel> mModel;
-};