Undefined symbols for architecture x86_64:
  "TVector<3u, float>::TVector(TVector<3u, float> const&)", referenced from:
      TraceRay(TVector<3u, float> const&, TVector<3u, float> const&, std::__1::vector<TObject*, std::__1::allocator<TObject*> > const&, float, float) in main.cpp.o
      void std::__1::allocator<TVector<3u, float> >::construct<TVector<3u, float>, TVector<3u, float> const&>(TVector<3u, float>*, TVector<3u, float> const&&&) in main.cpp.o
      TSphere::TSphere(TVector<3u, float> const&, float, TVector<3u, float> const&) in main.cpp.o
      TObject::TObject(TVector<3u, float> const&) in main.cpp.o
      TSphere::IntersectRay(TVector<3u, float> const&, TVector<3u, float> const&) const in sphere.cpp.o
  "TVector<3u, float>::TVector(TVector<3u, float>&)", referenced from:
      TCanvas::Out(char const*) in canvas.cpp.o
      TVector<3u, float> operator*<3u, float>(TVector<3u, float>, float) in canvas.cpp.o
      TVector<3u, float> operator-<3u, float>(TVector<3u, float>, TVector<3u, float> const&) in sphere.cpp.o
  "TVector<3u, float>::TVector(std::initializer_list<float>)", referenced from:
      TCanvas::CanvasToViewport(int, int) in canvas.cpp.o
      _main in main.cpp.o
      ___cxx_global_var_init in main.cpp.o
  "TVector<3u, float>::TVector()", referenced from:
      TCanvas::TCanvas(unsigned int, unsigned int, unsigned int) in main.cpp.o
  "TVector<3u, float>::operator[](unsigned int)", referenced from:
      TCanvas::Out(char const*) in canvas.cpp.o
  "TVector<3u, float>::operator-=(TVector<3u, float> const&)", referenced from:
      TVector<3u, float> operator-<3u, float>(TVector<3u, float>, TVector<3u, float> const&) in sphere.cpp.o
  "TVector<3u, float>::operator*=(float)", referenced from:
      TVector<3u, float> operator*<3u, float>(TVector<3u, float>, float) in canvas.cpp.o
  "TVector<3u, float>::Dot(TVector<3u, float> const&) const", referenced from:
      float operator*<3u, float>(TVector<3u, float> const&, TVector<3u, float> const&) in sphere.cpp.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[3]: *** [MyRayMarching] Error 1
make[2]: *** [CMakeFiles/MyRayMarching.dir/all] Error 2
make[1]: *** [CMakeFiles/MyRayMarching.dir/rule] Error 2
make: *** [MyRayMarching] Error 2