obj reading and display successfull, but buggy

renders/rename_png_to_bmp.py

src/geometries/Geometry.h

src/geometries/ObjGeometry.cpp

src/geometries/ObjGeometry.h

src/geometries/PBDSimulation.cpp

src/geometries/VertexData.cpp

src/geometries/VertexData.h

src/objects/HeadObject.h

src/rendering/Camera.cpp

src/rendering/Scene.cpp

src/utils/OBJReader.cpp

src/utils/OBJReader.h