reworked whole codebase

CMakeLists.txt

data/plane.mtl

src/Constants.h

src/application.cpp

src/application.h

src/constants.h

src/geometries/Geometry.cpp

src/geometries/Geometry.h

src/geometries/ObjGeometry.cpp

src/geometries/ObjGeometry.h

src/geometries/PBDSimulation.cpp

src/geometries/PBDSimulation.h

src/geometries/ParamSurface.cpp

src/geometries/ParamSurface.h

src/geometries/SPHSimulation.cpp

src/geometries/SPHSimulation.h

src/geometries/VertexData.cpp

src/geometries/VertexData.h

src/main.cpp

src/objects/HeadObject.cpp