package Tools; 

public class SphericalStar{
   double bigG;          //Gravitational constant
   double mass;
   double stellarRadius;
   double K;             //Polytropic constant

// Constructors.....
   public SphericalStar(int polytropicIndex){
      bigG = 1.0;
      mass = 1.0;
      K    = 1.0;
      stellarRadius = 2.5;
   }

// Methods....
   public double rho(double radius){
      if (radius < stellarRadius)return 0.5;
      else return 0.0;
   }
}