text: 
  #include "Camera.h"
  #include "Scene.h"
  #include "Sphere.h"
  int main()
  {
  	Scene scene;
  	
  	std::unique_ptr<Sphere> sph1 = std::make_unique<Sphere>(Vector3f(0, 0, -1), 0.5);
  	scene.Add(std::move(sph1));
  	Camera camera;
  	camera.Click(scene);
  }