scene HelloWorld;

Scene {
  PerspectiveCamera {    
    location := <0, 0, -5>;
    look_at := <0, 0, 0>;
  }
  World {
    PointLight {      
      location := <-10, 10, -10>;
    }
    
    Sphere {
      center := <-1, -1, 0>;
      radius := 0.5;
    }
    Sphere {
      center := <1, -1, 0>;
      radius := 0.5;
    }
    Sphere {
      center := <-1, 1, 0>;
      radius := 0.5;
    }
    Sphere {
      center := <1, 1, 0>;
      radius := 0.5;
    }
  }
}